文献检索Ars Poetica
文献检索的方法和技巧

文献检索的方法和技巧在进行学术研究、项目调研或其他类似活动时,文献检索是一项不可或缺的工作。
本文将介绍文献检索的方法和技巧,帮助您更有效地查找和利用相关文献。
一、确定主题和关键词在进行文献检索之前,首先需要明确研究主题和关键词。
主题是指您要研究的具体领域或问题,而关键词是指能够代表您研究主题的关键术语。
确定主题和关键词的方法包括:确定研究领域和方向,并筛选出相关的关键词;参考其他学者或专家的研究成果,了解该领域的研究热点和关键词;根据自己的专业知识和经验,提出可能的关键词并进行筛选。
二、选择合适的检索工具选择合适的检索工具是文献检索的关键步骤之一。
目前常用的文献检索工具包括学术搜索引擎和开放获取平台。
选择合适的检索工具的方法包括:根据研究领域和关键词选择适合的学术搜索引擎或数据库;了解检索工具的特点和优缺点,选择最符合自己需求的工具;注意检索工具的更新频率和收录范围,确保查找到的文献全面和最新。
三、运用布尔逻辑运算符布尔逻辑运算符是文献检索中常用的搜索工具,包括AND、OR和NOT三种。
通过运用这些运算符,可以扩大或缩小检索范围,提高搜索的准确性和效率。
运用布尔逻辑运算符的方法包括:使用AND运算符连接两个或多个关键词,查找同时包含这些关键词的文献;使用OR运算符连接两个或多个关键词,查找包含其中任何一个关键词的文献;使用NOT运算符排除某个关键词,查找不包含该关键词的文献。
四、限制检索范围限制检索范围可以提高搜索的准确性和效率。
以下是一些限制检索范围的方法:限制文献的出版时间范围;限制文献的类型(如期刊论文、会议论文等);限制文献的来源(如特定出版社、数据库等);限制文献的语言(如中文、英文等)。
五、筛选检索结果在检索过程中,往往会得到大量的搜索结果。
为了筛选出与自己研究相关的文献,需要进行进一步筛选。
以下是一些筛选检索结果的方法:查看每篇文献的标题、摘要和关键词,判断是否与自己的研究相关;查看每篇文献的来源和作者信息,判断其质量和可信度;查看每篇文献的出版时间和被引用次数,判断其时效性和影响力。
文献检索文献的名词解释

文献检索文献的名词解释随着信息时代的不断发展,文献检索逐渐成为一个重要的研究工具,尤其对于学术界和科研人员。
本文将介绍文献检索中一些常用的名词并进行解释,希望能够帮助读者更好地理解文献检索的相关知识。
1. 文献检索文献检索是指通过某种方式查找并获取所需文献的过程。
在信息爆炸的时代,准确、快速地找到所需文献对于研究者来说十分重要。
文献检索工具可以是图书馆的目录系统、电子数据库、搜索引擎等,其目的是从大量的文献中筛选出与研究主题相关的文献。
2. 关键词关键词是在文献检索中用于描述研究主题的术语或词汇。
选择合适的关键词能够提高文献检索的准确性和有效性。
关键词通常从研究问题、目的和内容中提取,同时也可以采用同义词、近义词、相关术语等扩展关键词范围。
在进行文献检索时,研究者通过输入关键词来搜索与自己研究主题相关的文献。
3. 检索式检索式是指在文献检索中使用的一系列关键词和运算符组成的表达式,用于完整地描述研究主题。
检索式的构建需要注意选择合适的关键词和逻辑运算符,以确保检索结果的准确性和全面性。
常见的逻辑运算符有AND(与)、OR(或)和NOT(非),它们可以用来调整检索式的关联程度。
4. 标引标引是指对文献内容进行主题归类和注释的过程。
通过标引,研究者可以快速了解文献的主题、内容和关联性。
标引常见的形式包括分类号、关键词和摘要等,这些标引信息可以作为检索的依据,帮助研究者更准确地定位所需文献。
5. 搜索引擎搜索引擎是指通过特定的算法和索引系统,对网络上的信息进行检索的工具。
搜索引擎常被用于互联网上的文献检索,其中最典型的代表是谷歌、百度等。
搜索引擎通过用户输入的关键词进行匹配,返回与之相关的网页或文献,而研究者可以通过优化关键词和搜索策略,提高检索效果和准确性。
6. 电子数据库电子数据库是指将大量的文献信息进行数字化管理和存储的系统。
研究者可以通过电子数据库来获取大量的文献信息,其中包括期刊文章、会议论文、学位论文等各类学术资源。
文献信息检索方法和步骤

英文文献信息检索方法和步骤013409108 陈真利用学校图书馆外文数据库SpringerLink进行英文文献检索的步骤:1、打开学校图书馆网页,点击数据库服务中的西文数据库,进入后再点击《Springer Link》数据库,进入SpringerLink数据库网页。
2、进入SpringerLink数据库网页后,找到“Advanced Search”标志,点击后出现一个界面框。
3、在界面框中的“Content”下框中输入“Porous ceramic”,再选择“Title Only”。
选择日期,先点击“Publication Dates Between”,然后再设定日期为01/01/2010到15/04/2012。
在“Order of Results”下面选择“Most Recently Published First”,然后点击“GO”。
4、进入页面后将会出现很多英文论文,在第三页选择一篇名为“Preparation ofmullite bonded porous SiC ceramics by an infiltration method”的文章,点击文章题目进入。
5、复制摘要,并点击“About”,得到有关文章的信息和该期刊的信息。
6、摘要内容和翻译如下:Abstract :A powder compact of α-SiC and α-Al2O3 was infiltrated with a liquid precursor of SiO2, which on subsequent heat treatment at 1500 °C produced a mullite bonded porous SiC ceramics. Results showed that infiltration rate could be estimated by using weight gain measurements and theoretical analysis. The bond phase was composed of needle-shaped mullite which was observed to be grown from a siliceous melt formed during the process of oxide bonding. The porous SiC ceramics exhibited a density andporosity of 2 g.cm−3 and 30 vol%, respectively, and also a pore size distribution in a range of 2–15 μm with an average pore size of 5μm. No appreciable degradation of room temperature flexural strength (51 MPa) was observed at high temperatures (1100 °C).翻译:题目:渗透法制备莫来石结合碳化硅多孔陶瓷摘要:用二氧化硅的液态先驱体渗透由α-碳化硅和α-氧化铝混合的粉饼,然后放在1500℃的条件下进行热处理,就可以制备出莫来石结合的碳化硅的多孔陶瓷。
文献检索专业英文词汇

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在线目录 在线学习 在线参考 在线培训 (逻辑)或 分类 输出,产量
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目录表 术语 被引次数 技巧 题名,头衔 未授权使用 本科生课程 大学 用户名 有价值的材料(资源) 版本 网络搜索引擎 著作
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文献检索方法

文献检索方法
文献检索方法是研究者在进行学术研究和文献调查时常用的一种方法。
一般来说,文献检索可以通过以下几个步骤来进行:
1.明确研究方向和目标:首先需要明确研究的主题和目标,确
定需要检索哪些文献领域。
2.选择检索工具:根据研究领域的特点,选择合适的文献检索
工具。
常见的文献检索工具包括大型学术数据库(如Web of Science、Scopus等)、图书馆目录、学术搜索引擎(如Google Scholar)等。
3.构建检索关键词:根据研究方向和目标,确定与研究主题相
关的关键词,包括主题词、同义词、近义词等。
同时,可以考虑使用布尔运算符(如AND、OR、NOT)来提高检索效果。
4.进行文献检索:根据构建的检索关键词,利用选定的文献检
索工具进行检索。
可以根据所选检索工具的搜索规则进行检索,也可以根据选定的检索词将检索结果进一步筛选。
5.阅读和筛选文献:根据检索结果,对得到的文献进行阅读和
筛选。
注意,这一步骤不需要考虑文献标题,而是根据文献摘要、关键词、引用等信息来判断是否与自己的研究方向和目标相符。
6.整理和归类文献:对筛选出的相关文献进行整理和归类。
可
以根据研究主题、研究方法、研究结果等方面进行归类,以便
后续的文献综述和研究分析。
总之,文献检索是研究者进行学术研究和文献调查中至关重要的一步。
通过合理选择检索工具、构建关键词、进行检索、阅读和筛选文献,可以帮助研究者快速准确地获取所需文献,并对研究主题有一个全面的了解。
『如何做科研』经验分享系列之二·文献检索的基本知识和技巧

『如何做科研』经验分享系列之二·文献检索的基本知识和技巧三大检索系统学术界知名的三大科技文献检索系统指的是SCI、EI和CPCI-S。
三大检索系统的论文收录情况是评价国家、单位和科研人员的成绩与水平的重要依据之一。
SCI是由美国科学信息研究所于1961年创建的最能反映基础学科研究水平和论文质量的检索系统,其涵盖学科超过100个,主要涉及农业、生物及环境科学、工程技术及应用科学、医学与生命科学、物理及化学等。
从SCI收录的文献中不仅可以从文献引证的角度评估文章的学术价值,还可以方便快捷的构建研究课题的参考文献网络。
EI是由美国工程情报公司于1884创建的工程技术领域的综合性检索工具,其涵盖的内容包括电类、自动控制类、动力、机械、仪表、材料科学、数理、医学、化工、食品、计算机、能源、地质、环境等学科。
CPCI-S是美国科学信息研究所创建于1978年的一个专门收录重要的自然科学会议文献的网络数据库。
其涵盖学科与SCI大致相当。
学术数据库检索系统只能查询到文献的作者、题目、源期刊、摘要和关键词等引证信息,无法直接获取相应的文献全文。
学术数据库才是存储完整文献信息、进行文献查询和下载的地方。
常用的大型学术数据库包括Springer,Elsevier,Wiley,IEEE和ProQuest等。
当然,根据学科专业的不同特点,还有一些小型的学科专属数据库。
例如地学领域的GeoScienceWorld囊括了地学领域46种期刊的电子版,石油勘探与开发领域的OnePetro数据库存储了大量石油工程方面的会议和期刊论文。
搜索引擎搜索引擎是一种通用的检索网络信息资源,并提供相应资源链接的检索工具。
在文献阅读过程中,看到同专业领域的文献或研究学者时,通常直接将标题或关键词键入搜索引擎进行搜索,这本质上其实是一种二次文献检索。
目前,除了上述检索系统和数据库的专属检索入口外,常用的学术搜索平台还包括谷歌学术、微软学术和百度学术等。
文献检索 知识点汇总

Step-by-Step Guide for Engineers, Scientists, and Technicians Publisher : Wiley-IEEE Press Edition : 1
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专利的类型 职务发明或非职务发明 专利保护期 法律状态
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英文文献检索方法

英文文献检索方法
英文文献检索的方法有很多,以下是一些常用的方法:
1. 使用学术搜索引擎:如Google学术、百度学术等,这些搜索引擎提供了广泛的学术资源,包括学术论文、期刊、学位论文等。
用户可以通过关键词、主题、作者等搜索相关的学术文献。
2. 使用学术数据库:如Web of Science、PubMed、IEEE Xplore等,这
些数据库收录了大量的学术文献,特别是针对理工科领域的文献。
用户可以通过关键词、主题、作者等搜索相关的学术文献,并下载全文。
3. 使用图书馆资源:大多数高校图书馆都提供了大量的学术资源,包括期刊、学位论文、会议论文等。
用户可以通过图书馆的网站检索相关的学术文献,并在线阅读或下载全文。
4. 使用开放获取平台:如arXiv、Open Access Library等,这些平台提供
了大量的开放获取文献,用户可以免费下载全文。
这些平台上的文献涵盖了多个学科领域,包括理工科、社会科学和人文学科等。
5. 使用专业领域的数据库:针对特定学科领域的数据库,如BIOSIS Previews、ACM Digital Library等,收录了大量相关领域的学术文献。
用
户可以通过关键词、主题、作者等搜索相关的学术文献,并下载全文。
以上是一些常用的英文文献检索方法,用户可以根据自己的需求选择合适的方法进行检索。
同时,为了更好地获取英文文献,建议用户提高自己的英文阅读和理解能力,以便更好地理解文献的内容和意义。
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2012级《美国文学》课程作业文献资料检索Ars Poetica《诗艺》课程名称:美国文学任课教师:许晓琴博士、教授专业:英语班级:2012级英语本科1 班学号:**********姓名:肖甜检索日期:2015.3.12—2015.4.23➢Introduction to AuthorArchibald MacLeish (May 7, 1892 –April 20, 1982) was an American poet, writer, and the Librarian of Congress. He is associated with the Modernist school of poetry. He received three Pulitzer Prizes for his work.Archibald MacLeish was born in Glencoe, Illinois in 1892. He attended Yale University and served in World War I. Later, he went to Harvard Law School and practiced law in Boston for a few years until he gave it up and moved to Paris with his wife and children to devote all his time to writing poetry. During the next four years he published four books of poetry, including The Happy Marriage and Other Poems (Houghton Mifflin, 1924) and The Pot of Earth (Houghton Mifflin, 1925). In 1928, MacLeish returned to America, where he began research for his epic poem Conquistador by travelling the steps and mule-ride of Cortez’s army through Mexico. MacLeish won the Pulitzer Prize for his efforts in 1932. MacLeish worked as an editor at Fortune magazine from 1930 to 1938 and he served as Librarian of Congress from 1929 to 1944. In 1944, he was appointed assistant Secretary of State for cultural affairs. After World War II, MacLeish became the first American member of the governing body of UNESCO, and chaired the first UNESCO conference in Paris. In 1949, Archibald MacLeish retired from his political activism to become Harvard’s Boylston Professor of Rhetoric and Oratory, a position he held until 1962. From 1963 to 1967, he was Simpson Lecturer at Amherst College. MacLeish continued to write poetry, criticism, and stage- and screenplays, to great acclaim. His Collected Poems, 1917-1952(Houghton Mifflin,1952), won him a second Pulitzer Prize, as well as the National Book Award and the Bollingen Prize. J.B.(Houghton Mifflin, 1958), a verse play based on the book of Job, earned him a third Pulitzer, this time for drama. And in 1965 he received an Academy Award for his work on the screenplay of The Eleanor Roosevelt Story. Archibald MacLeish died in April 1982 in Boston, Massachusetts.➢Summary of Ars PoeticaArchibald MacLeish divides Ars Poetica into three eight-line sections, each explaining what a poem“should be.”The first section compares a poem to familiar sights : a fruit, old medallions, the stone ledge of a casement window, and a flight of birds.The second section compares a poem to the moon. If a poem has universality, it can move from one moment to the next, or from one age to another, while its relevance remains fixed(“motionless,” Li ne 9). Thus, like the moon traveling across the sky, a good poem seems to stand still at any given moment---as if it were meant for that moment. Its content remains fresh and alive to each reader down through the years, down through the centuries.The thir d section states that a poem should just “be”, like a painting on a wall or a sculpture or a pedestal. It is not a disquisition or a puzzle, but a mood, a feeling, a sentiment—a work of art.➢Translation of Ars PoeticaA poem should be palpable and muteAs a globed fruit,DumbAs old medallions to the thumb,Silent as the sleeve-worn stoneOf casement ledges where the moss has grown --A poem should be wordlessAs the flight of birds.* **A poem should be motionless in timeAs the moon climbs,Leaving, as the moon releasesTwig by twig the night-entangled trees,Leaving, as the moon behind the winter leaves,Memory by memory the mind --A poem should be motionless in timeAs the moon climbs.* **A poem should be equal to:Not true.For all the history of griefAn empty doorway and a maple leaf.For loveThe leaning grasses and two lights above the sea --A poem should not meanBut be参考译文:诗艺诗歌应该是看得见,摸得着的如同一个圆球状的水果它暗哑无声就像用拇指抚摸旧奖章它静悄悄的像那被衣襟磨损窗台边长出了布满青苔的斑驳的石头诗歌应该是无声的如飞鸟滑过天际诗歌应该在时光中静止像明月悄悄爬上枝头像明月一个枝桠一个枝桠地释放那被夜幕笼罩的树林像明月遗忘残冬一片记忆一片记忆地从心头离去诗歌应该在时光中静止像明月悄悄爬上枝头诗歌应该等同于不真实的空荡的门廊,一枚枫叶足矣渲染充满哀伤的历史随风摇曳的青草,海上的两盏明灯足矣表示爱诗歌不应该只是表意而是本质➢On the theme of Ars PoeticaArs Poetica is one of the most famous and most quoted poems of twentieth-century American literature, possibly because it addresses a subject that all poets and poetry teachers hold dear —poetry itself. The title is Latin and can be translated as “The Art of Poetry.” In addition, the life of the poem’s author, ArchibaldMacLeish, showed the sort of commitment and received the sort of recognition that supporters of the art like to think of when examining the artist. I will analyze the theme of Ars Poetica from the following.1. Language and MeaningIn Ars Poetica MacLeish suggests that readers should not analyze a poem to determine its meaning, because, ideally, a poem should not have hidden meanings beneath its surface. However, this suggestion introduces a dilemma that concerns the interaction between poets, their text, and readers. On one hand, it is easy for the poet to write with the faith that “A poem should not mean / But be,” because the poet is free then to write in a rush of instinct or inspiration, ignoring the obligation to careful language and form, which serve to convey meaning. The reader, however, has come to expect meaning in a poem, for it is often thought of as the poem’s purpose of existence. Any written work can be considered as just a collection of words on a page until a reader is able to determine its meaning. In Ars Poetica MacLeish may be asserting that a poet should not construct his poem to be a vehicle for conveying an already-decided meaning. Outdated standards, such as ones that demand that a poem should be “about beauty” or that it should be for the benefit of humanity, can be debated by artists, and Ars Poetica is MacLeish’s countering of those who would impose such generalized rules. It is possible, however, that he states his case a little too strongly: poets who concern themselves only with writing that is “not true” are more likely to produce gibberish than art.Any language must have figures with meanings assigned to them. For instance, the letter “c” attached to the letters “a” and “t” indicate to English-speakers a small, carnivorous mammal. In this poem, MacLeish seems to propose a type of language that uses birds, trees, the moon, doorways, and so on, in place of letters and punctuation. These objects have meaning in a poem, he tells us, while abstract ideas such as “meaning” and “truth” do not. On the one hand, he rejects language as we know it, saying that a poem should be “wordless,” but at the same time, he suggests a new set of natural objects that would communicate to readers as a language would. The irony here is that MacLeish must necessarily use words to represent his natural objects.2. Search for SelfIn this poem’s rejection of intellectual concepts and its embrace of ac tual, physical things, readers can see a hint of what MacLeish thinks the search for self should be. After covering the methods that a poem should use, the work’s final four couplets get down to replacing the ideas that we use to express our feelings with images that MacLeish believes will be more effective than words. For example, the poet proposes that mankind does not need the word “love,” as long as we have leaning grasses and lights above the sea. Likewise, it is not only the current dictionary definit ion of “grief,” but all grief felt throughout all of history, that can be replaced by “an empty doorway and a maple leaf.” In spite of the popular notion that poetry is a very intellectual matter, in Ars Poetica MacLeish wants to show that poetry is actually very physical. He tells readers that self-recognition takes place in the world at large —in doorways, in fields, in tree branches, and in the sky, not in the mind. The three concepts that he looks at —truth, grief, and love —can be seen as covering just about all questions humans have about their identities: a person who understands these three mysteries would have a thorough understanding of herself or himself. MacLeish, however, suggests that there can be no understanding of them, just experience of them. If poetry speaks about life, then anything that is said about how a poem should work also applies to how life should work, and understanding the true nature of a poem can lead to understanding oneself.3. Art and ExperienceThe world that we experience is what art represents with paint on a canvas or music or words. “Ars Poetica” calls a poem “wordless,” which makes as little sense as calling a song “soundless.” Traditionally, the thing that distinguishes one’s experience of a poem from one’s experi ence of reality is that a poem represents a shared reality plus a poet’s own ideas. Taking the ideas expressed in Ars Poetica too literally would completely eliminate the job of the poet: when the poem’s intention is only to reflect reality without express ing a poet’s perception of it, then who needs the poet to come between reality and the reader? This question about the purpose of art is increasingly relevant today, as technological advances in the fields of sound and graphics can create virtual realities that are becoming increasingly successful in replicating actual experience.Readers would better benefit by looking for MacLeish’s intentions for writing Ars Poetica.He proposes that poets should refrain from preaching, or adapting asuperior moral pose, and that they are more likely to touch readers‟ emotions with specific, tangible images than with vague concepts. MacLeish implies that poets should rein in their ambitions to keep poetry in touch with reality. Writers who learn these lessons from Ars Poetica are more likely to create meaning than those who deliberately try to create something “meaningful”.The central theme of Ars Poetica is that a poem should captivate the reader with the same allure of a masterly painting or sculpture—that is,it should be stunning in the subtlety and grace of its imagery that it should not have to explain itself or convey an obvious meaning. Ars Poetica is a wonderful poem that speaks with the quiet eloquence of Rodin’s Thinker and da Vinci’s Mona Lisa.。