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英文文献翻译

英文文献翻译

外文文献原稿和译文原稿Sodium Polyacrylate:Also known as super-absorbent or “SAP”(super absorbent polymer), Kimberly Clark used to call it SAM (super absorbent material). It is typically used in fine granular form (like table salt). It helps improve capacity for better retention in a disposable diaper, allowing the product to be thinner with improved performance and less usage of pine fluff pulp. The molecular structure of the polyacrylate has sodium carboxylate groups hanging off the main chain. When it comes in contact with water, the sodium detaches itself, leaving only carboxylions. Being negatively charged, these ions repel one another so that the polymer also has cross-links, which effectively leads to a three-dimensional structure. It has hige molecular weight of more than a million; thus, instead of getting dissolved, it solidifies into a gel. The Hydrogen in the water (H-O-H) is trapped by the acrylate due to the atomic bonds associated with the polarity forces between the atoms. Electrolytes in the liquid, such as salt minerals (urine contains 0.9% of minerals), reduce polarity, thereby affecting superabsorbent properties, especially with regard to the superabsorbent capacity for liquid retention. This is the main reason why diapers containing SAP should never be tested with plain water. Linear molecular configurations have less total capacity than non-linear molecules but, on the other hand, retention of liquid in a linear molecule is higher than in a non-linear molecule, due to improved polarity. For a list of SAP suppliers, please use this link: SAP, the superabsorbent can be designed to absorb higher amounts of liquids (with less retention) or very high retentions (but lower capacity). In addition, a surface cross linker can be added to the superabsorbent particle to help it move liquids while it is saturated. This helps avoid formation of "gel blocks", the phenomenon that describes the impossibility of moving liquids once a SAP particle gets saturated.History of Super Absorbent Polymer ChemistryUn til the 1980’s, water absorbing materials were cellulosic or fiber-based products. Choices were tissue paper, cotton, sponge, and fluff pulp. The water retention capacity of these types of materials is only 20 times their weight – at most.In the early 1960s, the United States Department of Agriculture (USDA) was conducting work on materials to improve water conservation in soils. They developed a resin based on the grafting of acrylonitrile polymer onto the backbone of starch molecules (i.e. starch-grafting). The hydrolyzed product of the hydrolysis of this starch-acrylonitrile co-polymer gave water absorption greater than 400 times its weight. Also, the gel did not release liquid water the way that fiber-based absorbents do.The polymer came to be known as “Super Slurper”.The USDA gave the technical know how several USA companies for further development of the basic technology. A wide range of grating combinations were attempted including work with acrylic acid, acrylamide and polyvinyl alcohol (PVA).Since Japanese companies were excluded by the USDA, they started independent research using starch, carboxy methyl cellulose (CMC), acrylic acid, polyvinyl alcohol (PVA) and isobutylene maleic anhydride (IMA).Early global participants in the development of super absorbent chemistry included Dow Chemical, Hercules, General Mills Chemical, DuPont, National Starch & Chemical, Enka (Akzo), Sanyo Chemical, Sumitomo Chemical, Kao, Nihon Starch and Japan Exlan.In the early 1970s, super absorbent polymer was used commercially for the first time –not for soil amendment applications as originally intended –but for disposable hygienic products. The first product markets were feminine sanitary napkins and adult incontinence products.In 1978, Park Davis (d.b.a. Professional Medical Products) used super absorbent polymers in sanitary napkins.Super absorbent polymer was first used in Europe in a baby diaper in 1982 when Schickendanz and Beghin-Say added the material to the absorbent core. Shortly thereafter, UniCharm introduced super absorbent baby diapers in Japan while Proctor & Gamble and Kimberly-Clark in the USA began to use the material.The development of super absorbent technology and performance has been largely led by demands in the disposable hygiene segment. Strides in absorption performance have allowed the development of the ultra-thin baby diaper which uses a fraction of the materials – particularly fluff pulp – which earlier disposable diapers consumed.Over the years, technology has progressed so that there is little if any starch-grafted super absorbent polymer used in disposable hygienic products. These super absorbents typically are cross-linked acrylic homo-polymers (usually Sodium neutralized).Super absorbents used in soil amendments applications tend to be cross-linked acrylic-acrylamide co-polymers (usually Potassium neutralized).Besides granular super absorbent polymers, ARCO Chemical developed a super absorbent fiber technology in the early 1990s. This technology was eventually sold to Camelot Absorbents. There are super absorbent fibers commercially available today. While significantly more expensive than the granular polymers, the super absorbent fibers offer technical advantages in certain niche markets including cable wrap, medical devices and food packaging.Sodium polyacrylate, also known as waterlock, is a polymer with the chemical formula [-CH2-CH(COONa)-]n widely used in consumer products. It has the ability to absorb as much as 200 to 300 times its mass in water. Acrylate polymers generally are considered to possess an anionic charge. While sodium neutralized polyacrylates are the most common form used in industry, there are also other salts available including potassium, lithium and ammonium.ApplicationsAcrylates and acrylic chemistry have a wide variety of industrial uses that include: ∙Sequestering agents in detergents. (By binding hard water elements such as calcium and magnesium, the surfactants in detergents work more efficiently.) ∙Thickening agents∙Coatings∙Fake snowSuper absorbent polymers. These cross-linked acrylic polymers are referred to as "Super Absorbents" and "Water Crystals", and are used in baby diapers. Copolymerversions are used in agriculture and other specialty absorbent applications. The origins of super absorbent polymer chemistry trace back to the early 1960s when the U.S. Department of Agriculture developed the first super absorbent polymer materials. This chemical is featured in the Maximum Absorbency Garment used by NASA.译文聚丙烯酸钠聚丙烯酸钠,又可以称为超级吸收剂或者又叫高吸水性树脂,凯博利克拉克教授曾经称它为SAM即:超级吸收性物质。

英文文献整篇翻译

英文文献整篇翻译

英文文献整篇翻译Title: The Impact of Climate Change on BiodiversityClimate change is a pressing issue that has significant impacts on biodiversity worldwide. Changes in temperature, precipitation patterns, and extreme weather events are altering ecosystems and threatening the survival of many species. The loss of biodiversity not only affects the natural world but also has implications for human societies.One of the major impacts of climate change onbiodiversity is the shifting of habitats. As temperatures rise, many species are forced to move to higher latitudesor elevations in search of suitable conditions. This can disrupt ecosystems and lead to the decline or extinction of species that are unable to adapt to the new conditions.In addition to habitat loss, climate change is also causing changes in the timing of biological events such as flowering, migration, and reproduction. These changes can disrupt the delicate balance of ecosystems and lead to mismatches between species that depend on each other for survival.Furthermore, climate change is exacerbating otherthreats to biodiversity such as habitat destruction, pollution, and overexploitation. The combination of these factors is putting immense pressure on many species and pushing them closer to extinction.It is essential that we take action to mitigate the impacts of climate change on biodiversity. This includes reducing greenhouse gas emissions, protecting and restoring habitats, and implementing conservation measures to safeguard vulnerable species. By addressing the root causes of climate change and protecting biodiversity, we canensure a sustainable future for both the natural world and human societies.气候变化对生物多样性的影响气候变化是一个紧迫的问题,对全球的生物多样性产生重大影响。

英文文献用翻译

英文文献用翻译

Adult【成年人】Aged【老年人】Aged, 80 and over【老年人, 80以上】Catheterization, Central Venous/*instrumentation/methods【*导管插入术, 中心静脉/*仪器/方法】Cost-Benefit Analysis【费用效益分析】Equipment Design【设备设计】Equipment Failure【设备失效】Equipment Safety【设备安全性】Female【女(雌)性】Humans【人类】Infusion Pumps, Implantable/adverse effects/*economics【*输注泵, 植入型/副作用/*经济学】Male【男(雄)性】Middle Aged【中年人】Neoplasms/*drug therapy/pathology【*肿瘤/*药物疗法/病理学】Probability【概率】Prospective Studies【前瞻性研究】Risk Assessment【危险性评估】Sensitivity and Specificity【敏感性与特异性】Treatment Outcome【治疗结果】Vascular Patency【血管未闭】Venous Thrombosis/prevention & control【静脉血栓形成】Adolescent【青少年】Adult【成年人】Aged【老年人】Aged, 80 andover【老年人, 80以上】AntineoplasticAgents/*administration& dosage【*抗肿瘤药】*Catheters,Indwelling/adverseeffects/economics【*导管, 留置/副作用/经济学】Female【女(雌)性】Humans【人类】*Infusion Pumps,Implantable/adverse。

英文文献全文翻译

英文文献全文翻译

英文文献全文翻译全文共四篇示例,供读者参考第一篇示例:LeGuin, Ursula K. (December 18, 2002). "Dancing at the Edge of the World: Thoughts on Words, Women, Places".《世界边缘的舞蹈:关于语言、女性和地方的思考》Introduction:In "Dancing at the Edge of the World," Ursula K. LeGuin explores the intersection of language, women, and places. She writes about the power of words, the role of women in society, and the importance of our connection to the places we inhabit. Through a series of essays, LeGuin invites readers to think critically about these topics and consider how they shape our understanding of the world.Chapter 1: LanguageConclusion:第二篇示例:IntroductionEnglish literature translation is an important field in the study of language and culture. The translation of English literature involves not only the linguistic translation of words or sentences but also the transfer of cultural meaning and emotional resonance. This article will discuss the challenges and techniques of translating English literature, as well as the importance of preserving the original author's voice and style in the translated text.Challenges in translating English literature第三篇示例:Title: The Importance of Translation of Full English TextsTranslation plays a crucial role in bringing different languages and cultures together. More specifically, translating full English texts into different languages allows for access to valuable information and insights that may otherwise be inaccessible to those who do not speak English. In this article, we will explore the importance of translating full English texts and the benefits it brings.第四篇示例:Abstract: This article discusses the importance of translating English literature and the challenges translators face when putting together a full-text translation. It highlights the skills and knowledge needed to accurately convey the meaning and tone of the original text while preserving its cultural and literary nuances. Through a detailed analysis of the translation process, this article emphasizes the crucial role translators play in bridging the gap between languages and making English literature accessible to a global audience.IntroductionEnglish literature is a rich and diverse field encompassing a wide range of genres, styles, and themes. From classic works by Shakespeare and Dickens to contemporary novels by authors like J.K. Rowling and Philip Pullman, English literature offers something for everyone. However, for non-English speakers, accessing and understanding these works can be a challenge. This is where translation comes in.Translation is the process of rendering a text from one language into another, while striving to preserve the original meaning, tone, and style of the original work. Translating afull-length English text requires a deep understanding of both languages, as well as a keen awareness of the cultural andhistorical context in which the work was written. Additionally, translators must possess strong writing skills in order to convey the beauty and complexity of the original text in a new language.Challenges of Full-text TranslationTranslating a full-length English text poses several challenges for translators. One of the most significant challenges is capturing the nuances and subtleties of the original work. English literature is known for its rich and layered language, with intricate wordplay, metaphors, and symbolism that can be difficult to convey in another language. Translators must carefully consider each word and phrase in order to accurately convey the author's intended meaning.Another challenge of full-text translation is maintaining the author's unique voice and style. Each writer has a distinct way of expressing themselves, and a good translator must be able to replicate this voice in the translated text. This requires a deep understanding of the author's writing style, as well as the ability to adapt it to the conventions of the target language.Additionally, translators must be mindful of the cultural and historical context of the original work. English literature is deeply rooted in the history and traditions of the English-speaking world, and translators must be aware of these influences in orderto accurately convey the author's intended message. This requires thorough research and a nuanced understanding of the social, political, and economic factors that shaped the work.Skills and Knowledge RequiredTo successfully translate a full-length English text, translators must possess a wide range of skills and knowledge. First and foremost, translators must be fluent in both the source language (English) and the target language. This includes a strong grasp of grammar, syntax, and vocabulary in both languages, as well as an understanding of the cultural and historical context of the works being translated.Translators must also have a keen eye for detail and a meticulous approach to their work. Every word, sentence, and paragraph must be carefully considered and translated with precision in order to accurately convey the meaning of the original text. This requires strong analytical skills and a deep understanding of the nuances and complexities of language.Furthermore, translators must possess strong writing skills in order to craft a compelling and engaging translation. Translating a full-length English text is not simply a matter of substituting one word for another; it requires creativity, imagination, and a deep appreciation for the beauty of language. Translators mustbe able to capture the rhythm, cadence, and tone of the original work in their translation, while also adapting it to the conventions of the target language.ConclusionIn conclusion, translating a full-length English text is a complex and challenging task that requires a high level of skill, knowledge, and creativity. Translators must possess a deep understanding of both the source and target languages, as well as the cultural and historical context of the work being translated. Through their careful and meticulous work, translators play a crucial role in making English literature accessible to a global audience, bridging the gap between languages and cultures. By preserving the beauty and complexity of the original text in their translations, translators enrich our understanding of literature and bring the works of English authors to readers around the world.。

英文文献+翻译

英文文献+翻译

Characterization of production of Paclitaxel and related Taxanes in Taxus Cuspidata Densiformis suspension cultures by LC,LC/MS, and LC/MS/MSCHAPTER THEREPLANT TISSUE CULTUREⅠ. Potential of Plant cell Culture for Taxane ProductionSeveral alternative sources of paclitaxel have been identified and are currently the subjects of considerable investigation worldwide. These include the total synthesis and biosynthesis of paclitaxel, the agriculture supply of taxoids from needles of Taxus species, hemisynthesis (the attachment of a side chain to biogenetic precursors of paclitaxel such as baccatin Ⅲ or 10-deacetylbaccatin Ⅲ), fungus production, and the production of taxoids by cell and tissue culture. This reciew will concentrate only on the latter possibility.Plant tissue culture is one approach under investigation to provide large amounts and a stable supply of this compound exhibiting antineoplastic activity. A process to produce paclitaxel or paclitaxel-like compounds in cell culture has already been parented. The development of fast growing cell lines capable of producing paclitaxel would not only solve the limitations in paclitaxel supplies presently needed for clinical use, but would also help conserve the large number of trees that need to be harvested in order to isolate it. Currently, scientists and researchers have been successful in initiating fast plant growth but with limited paclitaxel production or vice versa. Therefore, it is the objective of researchers to find a method that will promote fast plant growth and also produce a large amount of paclitaxel at the same time.Ⅱ. Factors Influencing Growth Paclitaxel ContentA.Choice of Media for GrowthGamborg's (B5) and Murashige & Skoog's (MS) media seem to be superior for callus growth compared to White's (WP) medium. The major difference between these two media is that the MS medium contains 40 mM nitrate and 20mM ammonium, compared to 25mM nitrate and 2mM ammonium. Many researchers have selected the B5 medium over the MS medium for all subsequent studies, although they achieve similar results.Gamborg's B5 media was used throughout our experiments for initiation of callus cultures and suspension cultures due to successful published results. It was supplemented with 2% sucrose, 2 g/L casein hydrolysate, 2.4 mg/L picloram, and 1.8 mg/L α-naphthalene acetic acid. Agar (8 g/L) was used for solid cultures.B. Initiation of Callus CulturesPrevious work indicated that bark explants seem to be the most useful for establishing callus. The age of the tree did not appear to affect the ability to initiate callus when comparing both young and old tree materials grown on Gamborg's B5 medium supplemented with 1-2 mg/L of 2,4-dichlorophenoxyacetic acid. Callus cultures initiated and maintained in total darkness were generally pale-yellow to light brown in color. This resulted in sufficient masses of friable callus necessary for subculture within 3-4 weeks. However, the growth rate can decline substantially following the initial subculture and result in very slow-growing, brown-colored clumps of callus. It has been presumed that these brown-colored exudates are phenolic in nature and can eventually lead to cell death. This common phenomenon is totally random and unpredictable. Once this phenomenon has been triggered, the cells could not be saved by placing them in fresh media. However, adding polyvinylpyrrolidone to the culture media can help keep the cells alive and growing. Our experience with callus initiationwas similar to those studies.Our studies have found that callus which initiated early (usually within 2 weeks ) frequently did not proliferate when subcultured and turned brown and necrotic. In contrast, calli which developed from 4 weeks to 4 months after explants were fist placed on initiation media were able to be continuously subcultured when transferred at 1-2 month intervals. The presence of the survival of callus after subsequent subculturing. The relationship between paclitaxel concentration and callus initiation, however, has not been clarified.C. Effect of SugarSucrose is the preferred carbon source for growth in plant cell cultures, although the presence of more rapidly metabolized sugar such as glucose favors fast growth. Other sugars such as lactose, galactose, glucose, and fructose also support cell growth to some extent. On the other hand, sugar alcohols such as mannitol and sorbital which are generally used to raise the sugars added play a major role in the production of paclitaxel. In general, raising the initial sugar levels lead to an increase of secondary metabolite production. High initial levels of sugar increase the osmotic potential, although the role of osmotic pressure on the synthesis of secondary metabolites is not cleat. Kim and colleagues have shown that the highest level of paclitaxel was obtained with fructosel. The optimum concentration of each sugar for paclitaxel production was found to be the same at 6% in all cases. Wickremesinhe and Arteca have provided additional support that fructose is the most effective for paclitaxel production. However, other combinations of sugars such as sucrose combined with glucose also increased paclitaxel production.The presence of extracellular invertase activity and rapid extracellular sucrose hydrolysis has been observed in many cell cultures. These reports suggest that cells secrete or possess on their surface excess amounts of invertase, which result in the hydrolysis of sucrose at a much faster rate. The hydrolysis of sucrose coupled with the rapid utilization of fructose in the medium during the latter period of cell growth. This period of increased fructose availability coincided with the faster growth phase of the cells.D. Effect of Picloram and Methyl JasmonatePicloram (4-amino-3.5.6-trichloropicolinic acid) increases growth rate while methyl jasmonate has been reported to be an effective elicitor in the production of paclitaxel and other taxanes. However, little is known about the mechanisms or pathways that stimulate these secondary metabolites.Picloram had been used by Furmanowa and co-workers and Ketchum and Gibson but no details on the effect of picloram on growth rates were given. Furmanowa and hid colleagues observed growth of callus both in the presence and absence of light. The callus grew best in the dark showing a 9.3 fold increase, whereas there was only a 2-4 fold increase in the presence of light. Without picloram, callus growth was 0.9 fold. Unfortunately,this auxin had no effect on taxane production and the high callus growth rate was very unstable.Jasmonates exhibit various morphological and physiological activities when applied exogenously to plants. They induce transcriptional activation of genes involved in the formation of secondary metabolites. Methyl jasmonate was shown to stimulate paclitaxel and cephalomannine (taxane derivative) production in callus and suspension cultures. However, taxane production was best with White's medium compared to Gamborg's B5 medium. This may be due to the reduced concentration of potassium nitrate and a lack of ammonium sulfate with White's medium.E. Effect of Copper Sulfate and Mercuric ChlorideMetal ions have shown to play significant roles in altering the expression of secondary metabolic pathways in plant cell culture. Secondary metabolites,such as furano-terpenes, have been production by treatment of sweet potato root tissue with mercuric chloride. The results for copper sulfate, however, have not been reported. F. Growth Kinetics and Paclitaxel ProductionLow yields of paclitaxel may be attributed to the kinetics of taxane production that is not fully understood. Many reports stated inconclusive results on the kinetics of taxane production. More studies are needed in order to quantitate the taxane production. According to Nett-Fetto, the maximum instantaneous rate of paclitaxel production occurred at the third week upon further incubation. The paclitaxel level either declined or was not expected to increase upon further incubation. Paclitaxel production was very sensitive to slight variations in culture conditions. Due to this sensitivity, cell maintenance conditions, especially initial cell density, length of subculture interval, and temperature must be maintained as possible.Recently, Byun and co-workers have made a very detailed study on the kinetics of cell growth and taxane production. In their investigation, it was observed that the highest cell weight occurred at day 7 after inoculation. Similarly, the maximum concentration for 10-deacetyl baccatin Ⅲ and baccatin Ⅲ were detected at days 5 and 7, respectively. This result indicated that they are metabolic intermediates of paclitaxel. However, paclitaxel's maximum concentration was detected at day 22 but gradually declined. Byun and his colleagues suggested that paxlitaxel could be a metabolic intermediate like 10-deacetyl baccatin Ⅲ and baccatin Ⅲ or that pacliltaxel could be decomposed due to cellular morphological changes or DNA degradation characteristic of cell death.Pedtchanker's group also studied the kinetics of paclitaxel production by comparing the suspension cultures in shake flasks and Wilson-type reactors where bubbled air provided agitation and mixing. It was concluded that these cultures of Taxus cuspidata produced high levels of paclitaxel within three weeks (1.1 mg/L per day ). It was also determined that both cultures of the shake flask and Wilson-type reactor produced similar paclitaxel content. However, the Wilson-type reactor had a more rapid uptake of the nutrients (i.e. sugars, phosphate, calcium, and nitrate). This was probably due to the presence of the growth ring in the Wilson reactor. Therefor, the growth rate for the cultures from the Wilson reactor was only 135 mg./L while the shake flasks grew to 310 mg/L in three weeks.In retrospect, strictly controlled culture conditions are essential to consistent production and yield. Slight alterations in media formulations can have significant effects upon the physiology of cells, thereby affecting growth and product formation. All of the manipulations that affect growth and production of plant cells must be carefully integrated and controlled in order to maintain cell viability and stability.利用LC,LC/MS和LC/MS/MS悬浮培养生产紫杉醇及邓西佛米斯红豆杉中相关紫杉醇类的特征描述第三章植物组织培养Ⅰ.利用植物细胞培养生产紫杉的可能性紫杉醇的几个备选的来源已被确定,而且目前是全球大量调查的主题。

英文文献及翻译

英文文献及翻译

Geotextile reinforced by soft soil1. IntroductionGeotextile known, it has high tensile strength, durability, corrosion resistance, texture, flexibility, combined with good sand, to form reinforced composite foundation, effectively increase the shear strength , tensile properties, and enhance the integrity and continuity of soil. Strengthening mechanism for the early 60's in the 20th century, Henri Vidal on the use of triaxial tests found a small amount of fiber in the sand, the soil shear strength can improve the image of more than 4 times in recent years, China's rock Laboratory workers also proved in the reinforced sand can effectively improve the soil's bearing capacity, reduce the vertical ground settlement, effectively overcome the poor soil and continuity of overall poor performance. As with the above properties of reinforced soil and the characteristics of its low price, so the project has broad application prospects.2.1 Project OverviewThe proposed retaining wall using rubble retaining wall of gravity, the wall is 6 meters high, the bearing capacity of foundation soil required to 250kPa, while the basement geology from the top down as follows: ①clay to a thickness of 0.7 to 2 meters saturated, soft plastic; ② muddy soil, about 22 - 24 meters thick, saturated, mainly plastic flow, local soft plastic; ③ sand layer to a thickness of 5 to 10 meters, containing silty soil and organic matter, saturated, slightly wet; ④ gravel layer, the thickness of the uneven distribution points, about 0 to 2.2 meters, slightly dense; ⑤ weathered sandstone. Including clay and silty soil bearing capacity is 70kPa, obviously do foundation reinforcement.2.2 Enhanced Treatment of reinforced foundation cushion Reinforcement replacement method can be used for sand and gravel used forsoil treatment, but due to loose bedding, based on past experience, witha gravel mat to treat a large settlement of the foundation always exist, even the characteristics of poor, often resulting in cracks in the superstructure, differential settlement of the image, this works for6-meter-high rubble retaining walls, height and large, and because the walls are 3 meters high wall, if there is differential settlement of retaining walls, cracks, will result in more serious consequences and thus should be used on the cushion reinforcement through economic and technical analysis, decide on the sand and gravel stratum were reinforced hardening. Reinforcement treatment method: first the design elevation and the basement excavation to 200mm thick layer of gravel bedding, and then capped with a layer of geotextile, and then in the thick sand and gravel on the 200, after leveling with the yellow sand using roller compaction; second with loaded bags of sand and gravel laying of geotextile, the gap filled with slag, geotextile bags capped 100 thick gravel, roller compaction. Its on repeat laying geotextile → → compacted gravel, until the design thickness of the cushion, the bridge is 1 m thick cushion, a total of 4 layers of geotextile, two bags of sand.This method works fast, simple machine, investment, after years of use, that reinforce good effect, building and construction units are satisfied.3 ExperienceTo achieve the reinforced soil reinforcement effect, must be reinforced earth construction technology, construction strict quality control: 1, geotextile should increase the initial pre-stress, and its end should be a reliable anchor to play the tensile strength of geotextile, anchoring more firmly, more capacity to improve, the foundation of the stress distribution more uniform, geotextile side Ministry of fixed length by laying end to ensure the fold, the folded end wrapped sand to increase its bond strength to ensure that the use will not be pulled out duringthe period.Second, the construction process have a significant effect on the reinforcement effect, the construction should be as soon as possible so that geotextile in tension, tensile strength geotextile can be played only when the deformation, so do not allow construction of geotextile crease occurs, the earth Fabric tension leveling as much as possible. Geotextile in order to have enough by the early Dutch strain, according to the following procedure works: ① laying geotextile; ② leveled the tension at both ends; both ends of the folded package gravel and sand filling at both ends; ③ center fill sand; ④ 2 higher end of sand; ⑤ Finally, the center of sand filling. Click here to enable the construction method of forming corrugated geotextile being stretched as soon as possible, to play a role in the early loaded.Third, the construction of geotextile-reinforced cushion should the level of shop using geotextile geotextile and laying of gravel bags cushion the turn to play bag cushion integrated turn out good, flexural rigidity, and dispersion of good and peace bedding layer of the overall continuity of good advantages.4 ConclusionGeotextile reinforced by soft soil is an effective, economical, safe, reliable, simple method, but the literature describes only qualitative, experience more components, yet the lack of rigorous The theoretical formula, reliable test data to be adequate, these are yet to be theoretical workers and the general engineering and technical personnel continue to explore.土工织物加筋垫层加固软土地基1. 引言土工织物又称土工聚合物,它具有高抗拉强度,耐久性、耐腐蚀性,质地柔韧,能与砂土很好地结合,组合成加筋土复合地基,有效地提高土的抗剪强度、抗拉性能,增强土体的整体性和连续性。

文献的英文名称

文献的英文名称科学出版社2019年8月出版的《图书馆·情报与文献学名词》(以下简称“《名词》”)在定义文献时列出了两个英文词“literature”“document”,都可译为中文的“文献”。

关于文献的英文名称,南京大学杰出校友、化学家、文献学家、中科院院士、中国科技情报事业创始人之一袁翰青先生在55年前就有过详细的分析。

他说,在英文中,与中文“文献”对应的有两个词,一是literature, 另一个是document。

二者都可以译成文献,这是共性,但在具体用法上有微小区别。

前者“是集合名词,无单数和复数之分。

科学技术论文的文末,常附有供参考用的文献目录”,即用此词。

如Subject Index to Polarographic Literature(极谱学文献主题索引)。

Literature一般只指书刊资料。

后者“就历史性强的文件而言,既用单数,也用复数,分别指一篇或几篇文献,恒用于社会科学的著作中”。

Document还可以包括印刷品以外的文字记录,如碑文、古币图文等。

这两个词的微小区别,在将中文翻译成英文时就需要特别注意,尤其是在翻译人文社会科学文献时应格外留心。

如《民族政策文献汇编》一书,书名中的文献一词,可译成英文documents,也可译成archives,但绝不能译为literature。

还有一个词documentation,周文骏先生主编的词典翻译成“文献学”,袁翰青先生翻译成“文献工作”,并下定义说,文献工作“是组织知识的工作。

更明确一点可以说,文献工作是将分散记录起来的知识,特别是文献中新发现的知识单元,经过学术分析与抽出之后,用一定的方法组织起来,对使用者提供最大的便利,能随时被检索到并参考利用”。

袁老在50多年前就提出了“知识单元”的概念,并认为将“新发现的知识单元”标引出来和排序起来,以利于检索和利用,是文献工作的重点。

“文献中的知识单元实质上就是所含的情报”。

八大英文文献翻译神器

你值得拥有的八大英文文献翻译神器不管是做科研还是写SCI论文,开始都需要阅读大量的文献,做课题至少查阅600篇,粗看300篇,细看100篇,研读50篇,在看到一叠叠论文后,由于语言问题,往往会觉得无从下手,下面分享几款常用的文献翻译神器。

1、谷歌浏览器翻译优点:页面简洁,使用方便,随开随用,多种语言随时切换,只要有网就能翻译。

缺点:功能比较单一,排版比较乱,界面不是很美观。

2、SCI Translate9.0目前有9.0普通版以及VIP版,VIP版内置Google 人工智能云翻译引擎,翻译精准度很强;没有广告。

3、LinggleLinggle是一个可用来进行英语语法、句子写作的工具,可为学习者提供更准确的英文写作建议。

4、NetSpeakNetSpeak是一个提供免费线上单词、词组、语句翻译的工具,其特点是可以在线搜索和比较各种英文词汇、短句、语法、单词解释等内容,并且可以统计出这个用语的变化形态,还可以分析使用频率和情境,堪比谷歌翻译。

5、CNKI翻译CNKI翻译助手是一款专业的学术翻译工具,由“中国知网”开发制作,汇集了从CNKI系列数据库中挖掘的大量常用词汇、专业术语、成语俚语及双语例句等,形成海量中英在线词典和双语平行语料库。

6、LingoesLingoes是一款简明易用的词典与文本翻译软件,支持全球超过80多种语言的词典查询、全文翻译、屏幕取词、划词翻译、例句搜索、网络释义和真人语音朗读功能。

7、有道词典有道词典是个神器,尤其是查词、划词、取词的方面特别突出,词库中有所有专业用语的补充包,可以让你瞬间翻译出各种专业的英文单词,从复杂的有机化合物,到稀奇古怪的动物名,哪里不会点哪里。

8、Copy Translator比较适用于即时翻译,内置了谷歌翻译、百度翻译、有道翻译、搜狗翻译、彩云翻译和腾讯翻译几种不同的翻译引擎,随意切换,总有一个适合你。

英文文献翻译1.

1.《Journal of Marketing》2012.When Do Third-Party Product Reviews Affect Firm Value and What Can Firms Do? The Case of Media Critics and Professional Movie Reviews什么时候第三方产品评论影响公司价值,公司该做什么?以媒体批评和专业的电影评论为例摘要:许多行业普遍存在第三方产品评价(TPRs),借助通信技术,尤其是互联网,TPRs 在消费者、管理者及投资者中得到广泛的应用。

本文论证了新产品的TPRs是否及怎样影响推出该产品的企业的财政价值。

以14家主流媒体和21家工作室发放的专业评论为对象,采用事件研究法,TPRs能够产生效价,影响企业的股票收益,但TPRs是通过相对效价发挥作用的,而不是绝对效价。

作者进一步研究TPRs对公司价值的影响机制,结果发现,电影预映和上映期间的评论存在影响力,并且上映期间评论的影响最强,产品上映后,随着销量信息的曝光,影响随之消失。

广告支出能够增强TPRs的正面影响,缓冲负面影响??。

因此,企业应从战略层面上应用市场工具(例如广告等)和TPRs的影响。

2.《Journal of Interactive Marketing》。

2011.Advertising: Stimulant or Suppressant of Online Word of Mouth?广告:在线口碑的激励或压制摘要:由于口碑能够影响品牌感知和销售,日益引起营销学者的关注。

然而关于消费者口碑的激励因素的实证研究有限。

有文献研究指出,增加广告能够激励消费者口碑传播。

但是本文以汽车行业为例,论证了广告的增加与消费者在线口碑的减少相关??。

(数据:32个品牌汽车的口碑,本文构建数理模型、参数估计。

变量有:从汽车新闻杂志在线网站获取广告支出和销售量数据、从消费者经常光顾的两个汽车行业信息交互网站获取在线口碑、利用Consumer Reports organization调查获得的客户满意度指数数据、新产品的数量、产品属性价格和耗油状况)3.《Decision Support Systems》2013. Exploring the effect of e-WOM participation on e-Loyalty in e-commerce探索电子商务业中网络口碑参与对网络忠诚的影响摘要:本文论述了网络口碑如何影响消费者的网上购物模式。

激励机制英文文献及翻译

英文文献及翻译1. One of the p ri nciple s: i nce ntives to vary fro m perso n to pe rso n Because o f the differe nt needs of diffe re nt s ta ff, the refo re, the same i nce nti ve effec ts of po lic y inc e nti ves will pla y a differe nt. Eve n wi th a s ta ff, at differe nt ti mes or circ ums ta nces, wi ll ha ve diffe re nt needs. Beca use of i nce nti ves depe ndi ng o n the internal and the s ubjec ti ve fee li ngs of the sta ff a re, there fo re, i nce ntive to va ry from perso n to pers o n.In the fo rmula tio n a nd imp le me ntatio n of i nce nti ve po licies, we must firs t i nves tiga te ea c h e mp lo yee clearly wha t is rea llyreq uired. Req uired to orga ni ze, cla ssify, a nd the n to formulate appropria te policies to he lp mo ti vate e mplo yees to me et these needs.2. Two pri ncip les: app rop riate ince nti vesAppropria te i nce nti ves a nd pe na lties wi ll no t affec t the i nce nti ve effe ct, whi le i nc reasi ng the cos t of i nce ntives. A ward o ve rweig ht emplo yees wo uld ha ve to meet the mood of p ride a nd lost the desire to further e nha nce their o wn; re wa rd ince nti ves too lig ht wi ll no t a c hie ve the effec t, o r s o e mplo yees do not ha ve a se nse of atte ntio n. Hea vy pe na lties a re unfair to make emp lo ye es, o r loss of the comp a ny's ide nti ty, o r e ve n s lo w down o r da mage arisi ngfro m the emo tio ns; le nie nc y erro r will undere stimate theserio us ness o f the sta ff, whic h will prob ably make the sa me mistake.3. The p rinciple of three: fairnessThe fai rness of the ma nage me nt s ta ff are a very importa nt principle, e mp lo yees are a ny unfair trea tme nt wi ll a ffe ct his mood and wo rk e fficienc y, a nd e ffecti ve ness o f the i mpact o f i nce ntives. Emplo ye es to obtai n the sa me sco re, we mus t recei ve the sa me le ve l o f ince nti ve s; the sa me toke n, emp lo ye es c ommitted the same e rror, b ut also s ho uld be s ub jec t to the sa me le ve l o fpunis hme nt. If yo u ca n no t do this, ma nage rs wo uld pre fe r no t to rewa rd or p unis hme nt.Ma nagers dea l wi th emp lo yees a t iss ue, mus t ha ve a fair mi nd, sho uld no t ha ve a ny p rejudices a nd p refe re nce s. Altho ug h so me staff ma y a llow yo u to e njo y, some yo u do not e njo y, b ut at work, must be trea ted eq ually a nd s ho uld not ha ve a ny o f the wo rds a nd acts of i njustice.1. S timulate the tra nsfe r o f sta ff fro m the res ults o f eq ua l to eq ual opportuni ties a nd s trive to crea te a le ve l pla yi ng field.For e xa mp le, Wu S hi ho ng at IB M from a clea n s tart wi th the people, s tep b y step to the sa les c lerk to the district perso n i n cha rge, Ge nera l Ma nage r o f Chi na, wha t a re the reaso ns for this? In addi tion to i ndi vidual effo rts, b ut a lso said tha t IB M s ho uld be a good co rpora te c ulture to a stage o f d e velopme nt, that is,eve ryo ne has unlimited oppo rtuni ties fo r de velop me nt, as lo ng a s there is capacity there will be space fo r the de ve lopme nt ofself-imp le me nta tio n, whic h is to do a lot o f co mpa nies are not, this syste m will undo ub ted ly ins pire a g reat role o f the s taff.2. Inspire the best time to grasp.- Take s aim a t p re-orde r i nce nti ve the mis sion to ad va nceince nti ves.- Ha ve Diffic ulties e mp lo yees, desire to ha ve s tro ng de ma nd, to give the ca re a nd time ly e nco urageme nt.3. Wa nt a fai r a nd acc ura te i nce nti ve, re ward- So und, perfec t pe rforma nce appraisa l s ys tem to e ns ure appropria te assess me nt sc ale, fair a nd re aso nab le.- Ha ve to o ve rco me the re is thi nni ng of the huma n pro-wind.- In re fere nc e sa la ry, p romo tio ns, a wa rds, e tc.评优i nvo lve thevi tal i nte res ts of emp lo yees o n ho t i s s ues i n order to be fai r.4. The imp le me nta tio n of Emp lo yee Sto ck Owners hip P la n.Worke rs a nd e mp lo yees i n o rder to do uble the c apacity o finves tors, mo re co nce rned a bo ut the o utco me of b usi nessoperatio ns a nd imp ro ve the i nitiati ve.Modern huma n reso urces ma nag eme nt e xperie nce a nd re searc h sho ws that emp lo ye es a re involved i n mode rn ma nage me ntreq uire me nts a nd aspira tio ns, a nd c rea te a nd p ro videopportuni ties fo r all emplo yees is to mobi li ze the m to pa rticipa te in the ma nage me nt o f a n e ffecti ve wa y to e nthusiasm. There is no doub t tha t very few peop le participate d i n the disc ussio ns o f the act a nd i ts o wn witho ut i nce nti ves. There fore, to a llow tradeunio ns to participate i n the ma nage me nt o f p rope rly, ca n mo ti vate work ers, b ut a lso the s ucce ss of the e nterp rise to ob tain va luab le kno wledge. Thro ug h participatio n, the fo rmatio n of trade unio nson the e nterprise a s e nse of be lo ngi ng, ide nti ty, se lf-e stee m a nd can further mee t the ne eds o f s elf-rea li zatio n. Se t up a nd impro ve emplo yee p articipatio n i n ma nageme nt, the ra tio nali za tio n of the proposed s ys tem a nd the E mplo yee S tock Owne rs hip a ndstre ng the ni ng leaders hip a t a ll le ve ls a nd the e xc ha nge of communica tio n a nd e nha nce the a ware ne ss o f staff to participate in o wne rs hip.5. Ho no r i nce nti veStaff a ttitude a nd co ntrib ution o f labo r to ho nor rewa rds, s uc h as recog nitio n of the mee ting, iss ued certifica te, ho nor ro ll, i n the compa ny's i nterna l a nd e xte rna l p ublicity o n the media repo rts, ho me visi ts co ndo le nces, vi sit sig htseei ng, co nva lesce nce,trai ni ng o ut o f trai ni ng, ac cess to recomme nd ho nor socie ty, selec ted sta rs mode l, s uc h as clas s.6. Co nce rned abo ut the ince nti vesThe staff co ncerned abo ut work a nd li fe, s uc h as the sta ff se t up the birthda y tab le, birthda y ca rds, ge nera l ma nage r of the iss ue of staff, c are s taff or diffic ult a nd p rese nted a sma ll gi ft s ympathy. 7. Co mpeti ti veThe pro mo tion o f e nte rprise amo ng e mp lo yees, de partme nts compete o n a n eq ua l foo ting be twee n the ord erly a nd the s urvi val of the fi ttes t.8. The mate rial i nce nti vesIncrea se their wages, we lfa re, i ns ura nce, b o nuses, i nce nti veho use s, daily ne cessities, wage s p romo tio n.9. Informatio n i nce ntivesEnterp rises to communica te o fte n, i nformatio n amo ng e mplo yees, the idea of co mmunica tio n, i nfo rma tio n s uc h as co nfere nc es, field relea se, e nterp rises repo rte d that the repo rti ng s ys tem, the associatio n ma nage r to re cei ve the s ys tem da te.附录二:翻译1. 原则之一:激励要因人而异由于不同员工的需求不同,所以,相同的激励政策起到的激励效果也会不尽相同。

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COLLEGE STUDENTS IN MULTIMEDIA RELATIONSHIPS: CHOOSING, USING, AND FUSING COMMUNICATIONTECHNOLOGIESLauren M. Squires1 AbstractThis paper examines a population of residential American college students and how they integrate communication technologies—namely, landline and mobile telephones, email, and instant messaging—with conventional face-to-face communication to form “multimedia relationships.” Primary research investigates the use of different modes of communication in an environment typified by choice, where all members of the population have relatively equal access to technology and the Internet in particular.Increasingly in technology-entrenched societies (like the United States), relationships cannot simply be categorized as “online” or “offline.” Looking at Internet applications as just one facet of daily communication, I suggest that mediating technologies provide new ways to experience communication, constituting distinct realms of interaction. I discuss potential difficulty in integrating such complex and varied communicative experiences, and I offer suggestions for future research.2 IntroductionCommunication has undergone drastic changes in the past two centuries. Having long relied on written messages as the sole form of communication besides face-to-face interaction, humans adjusted to telephony—a form of technologically mediated oral communication—when it became widespread in the early 20th century. In the late 20th century, networked computers began offering even more ways to communicate, and the Internet now provides countless possibilities for interpersonal interaction via computer-mediated communication (CMC). Various synchronous, asynchronous, and semi-synchronous channels of communication are constantly available, including newsgroups, chat rooms, bulletin boards,email, Internet Relay Chat, and recently—and explosively—instant messaging.What all of these mechanisms share is some form of mediation. In this paper, I use the term “mediation” to mean a physical disconnection of mess age from sender to receiver; I apply the term “multimedia” to communication within relationships, meaning that which is characterizedby the use of different mediating technologies. While mediation may strip senders of some control over the interpretation of their messages, the abundance of mediating technologies heightens managerial control over just how messages are sent. This study recognizes that people choose how to send (and, to a lesser extent, how to receive) messages from the repertoire of communicative modes available. Relationships are not categorized as simply “offline” or “online;” they are multimedia (see also Baym et al. 2002).The paper begins with a review of research on communication technologies, including the telephone, mobile (cellular) phones, and computer-mediated communication. Qualitative and quantitative research findings from a focus group and survey ground a discussion suggesting that relationships are typically multimedia, and while newer communication modes do not facilitate inferior communication per se, they do present distinct realms of experience. I then discuss the possible implications of media use for integrating communication experiences.3 Background3.1 TelephonesTelephone conversations differ from face-to-face (F2F) communication in two basic ways. First, the telephone effectively transcends distance; second, the telephone transmits only audio information, lacking a visual channel (Reid 1977). Theexperience of speaking on the phone,then, is different from that of F2F, though studies have varied on results as to how it affects communication. It has been shown that communicators deal differently withinterpersonal conflict situations and making judgments about interlocutors (Reid 1977); however, no difference has been shown for performing simple tasks and problem solving compared to F2F. The telephone seems to take little conceptualassimilation for communicators, with conversations feeling like relatively rich endeavors.The phone was the eminent popular communication technology until the 1990s, when email became prominent with the rise of home computers and Internet access . Telephony is but one thread in today’s web of mediation, comparable not just to F2Fbut to other technologies. Research looking at the telephone has found the phone to be preferred over computer interaction for matters of sociability. In a study of college students, Baym et al. (2002) found that after F2F, the phone was the most used medium (compared to “Internet” and “mail”) for communication, and that phone use positively predicted relational quality and some measures of social well being, while Internet communication did not. Other research has found that phone usage predicts stronger relationships than email, the phone is rated higher for social functions than email, and the phone is preferred over the Internet for performing the sensitive work of sharing good or bad news (Randall 2002). It has generally been concluded that the telephone is superior to CMC for socio-emotional content due to the richness of vocal cues.3.2 Mobile PhonesThe rise of the mobile (cellular) phone has taken the telephone’sdistance-transcending qualities to a new level. The two main communicative functions of the mobile phone are speaking and text messaging. Internet capabilities on some phones also allow users to perform functions that are normally mediated by a full computer, such as Internet surfing, chat, instant messaging, and email; these activities are beyond the scope of this study.3.3 Computer-Mediated CommunicationWhile the availability of landline and mobile phones may enable engagement in geographically distant relationships, the Internet’s offerings for CMC invite it. Much research has contrastedF2F communication and CMC, claiming that CMC is best for task-based communication, as an impoverished and therefore impersonal medium for exchanging social or emotional content(Walther 1992; Dimmick et al. 2000). Major CMC research focuses on the lack of social presence, social context cues, and media richness (Walther 1992; Haythornthwaite et al. 1998).Lacking nonverbal cues is said to diminish CMC’s ability to adequately convey social or emotional communication.3.4 Instant MessagingOne of the newer Internet-based technologies to pervade and change the communication landscape is instant messaging (IM). In a study of Canadian Internet users, Randall (2002) found that 80 percent of users under age 20 used IM, as did 57percent of users age 20-34. Meanwhile,in America, a Pew study found that 74 percent of teens with Internet access used IM; and, market research shows that 40 percent of Americans age 14-24 use Netscape’s America Online’s IM system (Vise 2003). Furthermore, office IM use is surging—anestimated quarter of Americans use IM in the workplace (Harmon 2003).New communication technologies naturally invite comparisons to previous ways of communicating (Haddon 2003). Where email is said to be a hybrid between speech and written communication (Baron 2000), IM seems a hybrid of specifically phone and email communication. It lacks visual presence yet has the near-synchronicity of phone conversation. It offers presence-awareness and other features forself-presentation not traditionally available via CMC (Squires and Stacey 2002). It is like email in that it is typed, but it differs in its closeness to real-time. It is different than chat, because it occurs privately between two users, and most users already know each other offline, with IM acting as an extender of daily social space and time. Indeed, IM’s popul arity could be said to be proof of its uniqueness.3.5 Toward IntegrationA growing proportion of mediated to immediate communication can be observed on any wired campus, in any Internet café, and at any city bus stop where, rather than turn to a physically present neighbor, riders pull out mobile phones to make calls. While mediating technologies are not inherently bad for communication, they do provide venues for differentiated communicative experiences which are just now beginning to be teased out—IM is like speech, but so is email,but email is more like writing, and so on. Haddon (2003) has suggested that rather than displace prior modes, new media provide newly differentiated forms of communication.When communication occurs within a context of multiplicity in mode and qualitative experience,a question arises of how interactions are integrated. Technology enables us to keep in contact with those we cannot see on a daily basis, but just as importantly, it enables contact with those we see in person regularly. In looking at relationships that exist and are maintained online,offline, and on phone lines, this project asks: 1) To what extent are different media used? 2 )Why use different media? and 3) How do media fit in with unmediated interaction processes?If mediated interaction represents a significant experiential alternative to communicating F2F,how then do those with media-penetrated lives coherently organize their interpersonal experience? More specifically, how do people conceptualize experiences via various modes of communication within a single relationship?4 Method4.1 Broad Research AimsThe study from which this paper is drawn looked at six modes of communication: face-to-face(F2F), landline telephone, speaking on mobile phones, texting on mobile phones, electronic mail(email), and instant messaging (IM).It was an exploratory study of the usage patterns of a sample population of college students, their behavior towards different technologies, and their integration of all modes of communication into “multimedia” relationships. Results are organized into three sections: the extent of multimedia relational maintenance among college students, the extent of distinctness afforded by different modes of communication, and the integration of different forms of communication.4.2 Residential College Students as a Sample PopulationThis study was conducted among undergraduate American University (Washington,D.C.)residential students in the spring of 2003. Residential college students representan ideal community in which to study choices in mode use, where F2F and technology-driven interactions are constantly available. With continuously connectedInternet as well as convenient and inexpensive access to F2F and phone contact (and ahigh rate of mobile phone use), each initiated interaction is an exercise in communication choice. Additionally, today’s college students represent a population accustomed to life as a multimedia venture, and we can expect their behavior tofollow them after college.4.3 Qualitative and Quantitative MethodologyThe study consisted of a focus group (eight students) and a survey (N=56), the genders and grade levels of which are shown in Fig. 1 and Fig. 2.The focus group lasted approximately one hour and queried participants on technology use in terms of frequency, quality, and experiential attributes. The qualitative findings guided a six page survey constructed to address frequency and perceptions of communication. Specifically, the survey sought to explore the characteristics of dyadic relationships; in one section, students were asked to consider one person whom they regularly contact both face-to-face and via other media, then they were asked a series of questions about their interaction with that “communication partner.”The survey was administered to sixty residential students over a two-week period; four surveys were discarded for lack of consent signatures (N=56). The author analyzed frequencies, scanned the data set for significant correlations, and performed selected cross tabulations. The study’s sample size is small due to researcher limitations, so analysis focuses on frequencies rather than correlations. Only valid percentages are used throughout the findings; missing data is not included.5 Results5.1 Communication Mode UseParticipants in the focus group almost unanimously reported using F2F, IM, phone (usually mobile), and email in decreasing order of frequency (texting use was marginal). Students said that they used IM several times a day, almost always engaged in more than one IM conversation at a time. Most people they IMed were people at the same university, whom they saw on a daily or near-daily basis. In such a text-based medium, they said, conversation must be substantive and requires shared experienc e, “fodder for conversation,” as one participant called it, which is why IM is used mainly with real-space friends. As for email, the focus group for the most part viewed it as an efficient way to manage daily activities, but not to converse socially; thus, they sed it far less frequently.Survey results support the focus group finding that overall, texting is unpopular, IM is enormously popular, mobile phones are used far more than landline phones (even to people on campus), and email is used minimally. In measures of use on amonthly/weekly/daily basis (Fig.5) and length of use per day (Fig. 6), respondents rated F2F as the mode of communication used most frequently, followed by IM, mobile phones (voice), email, and landline phone.The survey sought to find out how much of students’ use of Internet-driven,text-based communication occurred with daily, real-space acquaintances as opposed to distant or even random contacts. Fig. 7 shows that respondents generally used IM with people they see regularly, whereas email occurred with people they do not see regularly. Results indicate that more often, students use IM in addition to F2F and phone communication, not because such supposedly “richer” contact is unavailable. Figure 7: Using Internet communication with daily contacts (percentage of respondents)5.2 Mode DifferentiationAll students in the focus group agreed that they are exposed to different characteristics of interlocutors when communicating via different modes. students mentioned that some friends are “just not good IMers.” Furthermore, students often say things on IM that they might never say F2F or on the phone. They claimed that the contemplative nature of IM allows for better articulation, and its shielded nature fosters comfort in disclosure. Yet they were concerned with limitations of the medium such as the relatively high probability of misinterpretation due to absent vocal intonation and facial expressions.Students also expressed differing preferences for kinds of communication based on the kinds of activity being done—they would not share bad news over IM or email; they would prefer IM or email to make plans; apologizing would be best in person; and contacting a professor is best through email. Various media thus afford the conscious delegation of interaction to different realms of experience.Survey results confirm that users experience acquaintances differently depending on the mode of interaction; they agreed to a lesser extent that they themselves act differently on IM (by being “more open with people”) (Fig. 9).To further probe users’ experiences, respondents rated the similarity of communication occurring in different pairs of modes. Overall, the sample reported a striking difference between most modes of communication (Fig. 10). Rated as the most similar were IM and email; next came thephone and F2F, suggesting that people conceptualize different forms of CMC to be similar and modes involving voice to be similar.6 Discussion6.1 Using Technologies: Dominance of Instant MessagingStudents in this study reported that IM is their most frequently used mode of communication other than F2F. This supports popular reports and some recent, more academic, research on the rising popularity of this particular form of communication, especially among younger cohorts, while differing from previous reports (Baym et al. 2002) indicating that the phone has a higher usage. Email, on the other hand, is seen as less appropriate for personal communication, supporting findings of traditional CMC research.T wo evident advantages of IM over email are in its near-synchronicity and enhanced sense of presence. IM’s preference over the telephone should be examined more in depth, and there are some technical advantages that can explain the popularity. First, IM enables conversing with multiple partners at once, each in its own channel of exchange, whereas using the phone is typically a single-channel, single-conversation endeavor. Though effective multitasking is fairly achievable while talking on the phone, IM occurs at the site of most of a college student’s work—the multi-functional computer. IM allows socializing with a number of people at once, while also doing a number of private things. One’s existence online while connected is publicized, yet only to effect private conversation. IM publicizes the private sphere—whereas mobile phones have been said to privatize public space (Puro 2002). The most important distinguishing feature of IM in interpersonal communication, then, may be its ability to keep one engaged during other activities, rather than its lack of nonverbal cues—thus, it needs analysis that takes into account the potential complexity of context around it.6.2 Multimedia RelationshipsThis study demonstrates the extent to which people frequently use both traditional, voice-driven media and newer, text-driven media to maintain relationships that exist in unmediated realms as well—over half of the survey respondents reported IMing their communication partner at least every day. This lends support to previous findings that a higher frequency of media use comes about with contacts one sees more often (Baym et al. 2002; Grinter and Palen 2003). IM is, like the phone and email, a geographical equalizer, so one might presume that among students in college, most online contacts would be friends from home. Yet this is not the case among this population; students use IM to talk to people they could just as easily walk down the hall or across campus to see in person. Indeed, a significant portion of students’ interpersonal communication is mediated, when there is no ostensible need for it to be so.6.3 Segmentation and IntegrationI have tried to show that multimedia relationships are maintained by and in media that are technically and functionally distinct. Such variety could enhance a relationship and one’s experience of a partner, or demarcate potentially problematic partitions in relational experience. I am suggesting that just as a medium’s experiential qualities affect one’s choice to use it, so its usage affects a user’s experience w ith the medium and beyond. With this realization, several important and fascinating questions emerge. Perhaps the most general question is, With so many means of maintaining a relationship—with a relationship alive, as it were, in several different channels—how does one reach a sense of coherence about it all? Relationships do not exist entirelyoffline or online, but portions of them do. Communicators may have distinctive personae online and offline—at the least, they adopt and adapt communication stylesto fit the media.7 Suggestions for Future ResearchDrawing from the notion described above, I want to propose that one of the ultimate implications of mediating technologies may be the way that they facilitate experiential compartmentalization, rather than elements such as cue reduction or diminishedrichness. This proposal has some basis in social and cognitive psychology, which theorize that humans employ “schemata” in order to comprehend experiences past, present, and future. We actively construct our realities by selecting what informationto pay attention to in a given situation, what information to remember (Fiske and Taylor 1984). Schema theory talks about ongoing sequences of events and how humans understand them according to general concepts; included is the perception and remembrance of “breakpoints” between the end of one event and the beginning of another (Wyer and Gordon 1984).An analogy is a photograph, which visually records a particular event. Photos provide convenient frames for interpreting and remembering past events, and people sometimes even remember an event as a scene in a photograph. But photos are not the event itself, and taking a photograph is not an intrinsic part of the event. Similarly, an IM box or the text of an email provides a verbal snapshot of what has happened in a communicative event, providing a readymade frame for conversation. The difference I see between Internet, text-based communication and the photograph is that on the Internet, recording an exchange is part of the process of conversation itself. As such, it could increase the experience of a conversation as an isolated “event” or “scene,” rather than an integrated facet of ongoing, progressive interaction.To explore this issue, it would be useful to observe the ways in which people talk about their communication. To what extent do people recall IM interactions as plain “conversations” as opposed to “IM conversations,” distinguishing the mode of interaction in retelling? A statement like, “I was talking to Sarah the other day, well, we were IMing,” reveals that a user experiences IM as something different from normal conversation and conceptualizes it as something other than “talking.”8 ConclusionThis study explored an environment characterized by communication choice and found that the Internet-driven medium of IM is a viable alternative to F2F communication and the phone is also used frequently, effecting multimedia relationships. In it, I have suggested that each mode of communication provides a distinct kind of communicative experience, with implications for maintenance of interpersonal relationships.As ways to communicate proliferate and converge, strategies for dealing with them will change, as will strategies for using them to deal with relationships. Above all, future research should take into account the everyday, integrated uses of technology as one facet of interpersonal communication. Media need not be compared to F2F for better or worse, but examined as they work in concert with F2F in complex, multimedia relationships.。

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