One Step Preparation of Highly Dispersed TiO2 Nanoparticles
只有做好充足的准备才能成功英语作文
Only Through Adequate Preparation Can We Achieve Success In the complex and competitive world we live in, success is often equated with hard work, dedication, and, most importantly, adequate preparation. It is a fundamental truth that one cannot achieve success without first laying the groundwork and preparing oneself for the challenges that lie ahead. This essay will explore the importance of adequate preparation for success and provide examples to illustrate this point.To begin with, the significance of preparation cannot be overstated. Success in any field, whether it be academics, athletics, or business, requires a thorough understanding of the task at hand and a well-planned approach. Without preparation, we are like ships sailing aimlessly in the ocean, lacking a clear destination or a map to guide us. Preparation allows us to identify potential obstacles, devise strategies to overcome them, and ultimately reach our goals.In the academic world, students who prepare adequately for exams or projects are more likely to succeed. They spend time reviewing their notes, practicing problems, and understanding the concepts they have learned. This preparation not onlygives them the necessary knowledge to succeed, but also builds their confidence and prepares them for the stress and pressure of exams.In athletics, adequate preparation is equally crucial. Athletes who train hard, practice their skills, and understand their opponents' strengths and weaknesses are more likely to win competitions. Preparation allows them to be physically and mentally ready for the demands of the sport, reducing the risk of injury and maximizing their performance.In the business world, successful entrepreneurs and leaders are those who have planned and prepared thoroughly. They understand the market, have a clear vision for their company, and have a strategy to achieve their goals. Preparation allows them to anticipate challenges, make informed decisions, and capitalize on opportunities that arise.However, preparation alone is not enough. Success requires a combination of preparation, hard work, and dedication. Preparation provides the foundation, but it is the individual's effort and commitment that drives them to achieve their goals. Without hard work and dedication, even the best plans can fail.In conclusion, adequate preparation is essential for success in any field. It allows us to understand the task at hand, devise strategies to overcome obstacles, and be ready for the challenges that lie ahead. While preparation alone cannot guarantee success, it provides the foundation and the tools necessary to achieve our goals. Let us always remember that only through adequate preparation can we truly achieve success.。
克服怯场的方法的英语作文
克服怯场的方法的英语作文Overcoming Stage Fright: Strategies and Solutions.Performing in front of a crowd, whether it's a speech, a concert, or any other type of public event, can be daunting for many people. Stage fright, also known as performance anxiety, is a common emotion experienced by even the most seasoned professionals. Fortunately, there are several strategies one can employ to overcome this nervousness and deliver a confident performance.1. Preparation is Key.The first and foremost step in overcoming stage fright is thorough preparation. Practice your speech, song, or performance multiple times until you feel comfortable with it. Know your material well enough that you can perform it without having to constantly refer to notes. This will give you a sense of control and confidence when it's time to perform.2. Breathing Techniques.Before stepping onto the stage, take a few deep breaths to calm your nerves. Breathing deeply helps to slow down your heart rate and relax your body. You can also practice breathing exercises before performances to help you stay calm and focused.3. Visualization.Visualization is a powerful tool that can help you imagine yourself performing successfully. Before the actual performance, visualize yourself delivering a flawless performance, feeling confident and relaxed. This positive imagery can help to boost your confidence and reduce anxiety.4. Positive Affirmations.Talk positively to yourself before and during the performance. Tell yourself that you are prepared, that youcan do this, and that you will succeed. Positive affirmations can help to counter negative thoughts and boost your self-confidence.5. Focus on the Moment.Instead of worrying about what might happen or focusing on past mistakes, try to stay present in the moment. Focus on delivering your performance to the best of your ability, and don't let thoughts of the future or the past detract from your current performance.6. Seek Feedback.Get feedback from family, friends, or mentors about your performance. Constructive criticism can help you identify areas where you can improve and boost your confidence. However, avoid comparing yourself to others as this can often lead to unnecessary stress and anxiety.7. Distraction.If you find yourself getting nervous before a performance, try to distract yourself by thinking about something else. This could be a funny memory, a hobby you enjoy, or anything else that can help you take your mindoff the nervousness.8. Meditation and Relaxation Techniques.Practices like meditation and yoga can help you learn to relax and focus your mind. These techniques can be particularly useful for performers who find themselves getting overwhelmed by nerves. By learning to control your breathing and relax your body, you can reduce the effects of stage fright.9. Confidence Boosters.Before a performance, do something that makes you feel good about yourself. This could be a quick workout, listening to your favorite music, or simply putting on your favorite outfit. Anything that makes you feel confident and ready to take on the stage can help to reduce stage fright.10. Remember, It's Just a Performance.Ultimately, remember that a performance is just a performance. No matter how important it may seem, it's not a life-or-death situation. By keeping this in mind, you can approach each performance with a sense of fun and adventure instead of dread and anxiety.In conclusion, overcoming stage fright takes time, practice, and a bit of self-care. By employing the strategies mentioned above, you can reduce your anxiety and deliver confident performances that you can be proud of. Remember, everyone gets nervous before a performance –it's completely normal. The key is to learn to manage that nervousness and turn it into a positive force that propels you to greatness.。
(严重创伤患者液体复苏)Fluid Resuscitation in Traumatic Critically Ill Patients
Colloids
Key characteristics of artificial colloids
• Magnitude and duration of plasma volume expansion • Hemorreological characteristics • Hemostatic effects • Interaction with endothelial and inflammatory cells • Adverse drug reactions • Cost
Fluid Resuscitation in Traumatic Critically Ill Patients
Aug 21, 2006
Ri 林 殿 閔
Patterns of Traumatic Injury
• Penetrating injury – ongoing significant blood loss is expected • Blunt injury – blood loss may be occult or contained and significant or limited • Head injury – maintenance of cerebral perfusion pressure • Others: pediatric and obstetric trauma
Trauma Fluid Resuscitation
• • • • • • Severity of hemorrhagic shock Age Co-morbid disorder Injury types Concurrent head or spinal injury Pulmonary edema
雅思阅读题
第二部分雅思考试八大题型之标题对应题DAY1标题对应属于雅思阅读中非常特殊的一种题型，它是典型的主旨考查题，不同于雅思阅读中的其他细节考查题型。
一段话的标题（heading）往往就是这段话的主旨，或者说这段话的中心思想。
而要确定段落的中心思想，就不能从某个细节入手，而应考虑整个段落的结构和框架，这样才能得出正确的答案。
这种题型对学生的词汇量、语感和整体把握的能力要求较高，所以要求我们在做这种题目的时候要注意整体把握，而不是只抠细节。
1. 先将例子所在的选项从选项列表中划掉。
注意：虽然Heading题的选项肯定比题目个数多，但是选项是一定不会重复使用的。
原因很简单，每段话都有一个不同的主旨，只对应一个标题；如果重复，那就意味着两个不同的段落主旨相同，这是不可能的，因为若主旨相同肯定会合成一段而非分成两段。
所以，若题目中出现了这样的提示：You may use any heading more than once, 根本不用管，这是个陷阱。
2. 对于Heading题，我们要先读文章，再看选项，读一段话，做一道题。
注意：这种题目不宜先看选项，因为这是一种主旨归纳题而不是细节考查题，最怕先入为主，选项中有很多干扰项，看了之后会影响大家客观地理解段落真正的主旨。
3. 读每段话时，要抓住该段的主题句或中心词。
正确答案往往是主题句的改写或包含相应段落的中心词。
4. 某段话的答案确定后，将它的选项从选项列表中划去。
5. 这种题目中的干扰项往往是段落中未展开说明的细节，有时候我们可以适当使用排除法，以缩小选择范围。
备注：1）所有的标题只会用一次；2）问句一般不会是主题句（起过渡作用）；3）举例子的句子不会是主题句；4）若遇到某个段落的标题不能确定时，务必先做其他段落，以免造成“连锁错误”，即错一个往往就意味着错两个。
You are advised to spend about 20 minutes on Questions 1-6.Please choose the most suitable headings for paragraphs listed below.NB: There are more headings than paragraphs, so you will not use them all. You may use any heading more than once.1. Paragraph A:2. Paragraph B:3. Paragraph C:4. Paragraph D:5. Paragraph E:6. Paragraph F:Mass TransitA Mass transit refers to municipal or regional public shared transportation, such as buses, streetcars and ferries, open to all on a nonreserved basis. An important form of mass transit is rapid transit, such as subways and surface light rail systems, designed for commuting between urban and suburban (or exurban) centers. Mass transit can be divided into fixed route systems (often involving rails), such as streetcars and subway trains, and non-fixed route transit (along surface streets or water), such as buses and ferries, but does not usually include airplanes, taxis, or long-distance rail with more formal ticketing procedures.B Mass transit systems offer considerable savings in labor, materials and energy over private transit systems. Since far fewer operators are required for per passenger transported, they can be better trained and more strictly licensed and supervised. When utilized to any reasonable fraction of their capacity, mass transit vehicles carry a far higher passenger load per unit of weight and volume than do private vehicles. They also offer fuel savings, not only because of the relative reduction in weight transported, but also because they are large enough to carry more efficient engines. Further, if emphasis is given to mass transit in the planning of future ground transportation systems, smaller rights of way will be possible, lessening the amount of landscape that must be paved over for highways and roads. Although mass transit offers many savings, it does require some sacrifices in personal convenience. There is the necessity to travel on a fixed rather than an individually selected schedule and to enter and disembark from the system only at certain designated locations. The obvious goal for a mass transit system is to have as few unused passenger accommodation as possible.C The history of mass transportation is intimately connected to industrialization, urbanization, and the separation of residence from workplace. By the beginning of the 20th century, London, New York, Boston, Paris, Budapest, and other major cities had fixed rail subway systems (sometimes elevated); by the 1920s buses were common. In the United States, patronage of mass transit grew steadily from 1990 (six billion passengers per year) to 1927 (over 17 billion), but plummeted during the GreatDepression. Patronage grew again during World War II, peaking in 1946 at 23 billion riders, but then dropped steadily every year until the mild renaissance of public transit in the early 1970s.D The total number of riders in 1970 was less than that of 1910. The reasons for these declines are complex and often political. Los Angeles, for example, had over 1,000 miles of trolley and interurban lines before 1930; this system was taken over by a private company, dismantled, and replaced with noisy, polluting and comparatively slow buses. Since few people chose to ride them, costs rose, thereby cutting the number of passengers further. To reduce costs, private companies eliminated outlying branches and smaller stations. These trends, along with inexpensive gasoline, suburban and highway development, the deterioration of older subway lines, and the greater freedom cars offered, helped turn the United States into a car culture.E However, as the public has grown increasingly concerned over the impact of cars on the environment and the quality of life in urban areas, there is growing support for the development of more efficient and comfortable mass transit systems. Models for such systems were developed in Europe and Japan. Trains in the Paris Metro, for example, operate on rubber tires and can reach speeds of 48 mph (77km/h). Smaller cities are watching developments in Edmonton, Canada, which built a km rapid transit system of lightweight trains at a cost of $ 65 million instead of adding five new freeways at ten times the cost.F In the United States, efforts to upgrade mass transit systems have experienced mixed results. The trend has been away from private ownership; by 1999 over 90% of North American mass transit was publicly owned and managed. The BART (Bay Area Rapid Transit) system serving San Francisco and neighboring cities maintained service during the 1989 earthquake, but it has never attracted the number of riders originally anticipate d. Washington .’s Metro system (144 million riders in 1988) included a wider area of service and more efficient schedules. Currently buses account for 60% of mass transit riders in the Untied States; innovations such as articulatedbuses and reserved lanes on highways are balanced by the problems of noise, air pollution and traffic. The issue of mass transit has come full circle; it is once again a central social and political issue.★答案与解析1.答案为x。
甲基丙烯酰氧基三甲氧基硅烷改性SiO2 的制备
第34卷第3期2007年北京化工大学学报JOURNAL OF BEI J IN G UN IV ERSIT Y OF CHEMICAL TECHNOLO GYVol.34,No.32007甲基丙烯酰氧基三甲氧基硅烷改性SiO 2的制备姜立忠 战佳宇 武德珍3 金日光(北京化工大学新型高分子材料制备与加工北京市重点实验室,北京 100029)摘 要:采用原位一步法制备了表面甲基丙烯酰氧基三甲氧基硅烷(MPS )改性的单分散纳米二氧化硅(SiO 2)粒子。
该过程将纳米SiO 2的缩合形成过程与功能化改性同步进行,并用红外光谱(FTIR )、X 射线光电子能谱(XPS )、透射电子显微镜(TEM )、热失重分析(TG A )等测试方法研究了粒子的表面化学结构、形态和分散性以及粒子中MPS 的含量。
结果表明,原位一步法制备的MPS 改性纳米SiO 2粒子粒径约75nm ,基本上呈单分散状态,且含有大量的MPS 功能性基团,其表面密度为3145μmol/m 2。
关键词:原位一步法;甲基丙烯酰氧基三甲氧基硅烷(MPS );单分散;纳米二氧化硅中图分类号:TQ12712收稿日期:2006210211基金项目:国家自然科学基金(50573007);高等学校博士学科点专项基金(200600100006)第一作者:男,1978年生,博士生3通讯联系人E 2mail :wdz @引 言自从1968年St ber 在醇介质中以氨为催化剂水解正硅酸四乙酯(TEOS )成功合成出单分散的二氧化硅粒子(SiO 2)以来[1],单分散纳米SiO 2粒子以其优异的耐高温、高强度和耐磨等性能,在塑料、橡胶、纤维、涂料和催化剂载体等领域被广泛应用[224]。
然而,由于单分散纳米SiO 2粒子的粒径小、比表面积大、表面活性高及稳定性差,颗粒之间极易相互团聚,由纳米效应引起的一系列优异特性被减弱或失去;同时二氧化硅表面亲水疏油,在有机介质中难于均匀分散,与有机基体之间结合力差,易造成界面缺陷,使复合材料性能降低。
高考英语名人名言
高考英语名人名言本文是关于高考英语名人名言，仅供参考，希望对您有所帮助，感谢阅读。
1、不敢高声语，恐惊读书人。
Dare not loudly， afraid of reader。
2、不求难题都做，先求中低档题不错。
Do not challenge， first such questions in good。
3、争分夺秒巧复习，勤学苦练创佳绩。
Race against time review， study hard and success。
4、只要路是对的，就不怕路远。
As long as the road is right， is not afraid of road far。
5、太阳每天都是新的，你是否每天都在努力。
The sun is new every day， whether you hard every day。
6、考前一个月就是冲刺。
养兵千日，用兵一时。
Before a month is the sprint。
Find one thousand days， fight。
7、高考得高分的秘诀就是少丢分！The secret of the university entrance exam score high is less lose points！8、有高水平的集体，才有高水平的个人。
Have a high level of collective， to have a high level of personal。
9、笔记要便于看，要经常看，这是又一本教材。
Notes is easy to see， want to often see， this is again a textbook。
10、总想赢者必输，不怕输者必赢。
He always want to win will lose， not afraid of a loser will win。
11、遇到会做的题：仔细；遇到不会做的题：冷静。
上海市虹口区2020届高三二模考试英语试题 Word版含解析
2020届上海市虹口区高考二模英语试题Ⅱ. Grammar and VocabularySection ADirections: After reading the passage below, fill in the blanks to make the passage coherent and grammatically correct. For the blanks with a given word, fill in each blank with the proper from of the given word; for the other blanks, use one word that best fits each blank.How Can You Look Your Best in Photos?Have you ever seen a picture of yourself and felt embarrassed by what you saw? Actually, it’s really all ___1___ (tie) to how we respond to the camera. With the following tips, you’re sure to look your best.No. 1 Study Photos of YourselfThe first step in simple: learn from the past. You need to know how you look in photos before you can improve. Gather some old pictures together, ___2___ they make you ashamed a little. Now look over how your body is placed in the pictures and think for a while. ___3___ (analyze) all these old photos, you can find a few natural poses you can use in the future.No. 2 Practice in Front of a MirrorNow that what works for you in photos ___4___ (figure) out, start using what you’ve learned from your old pictures, practicing in front of mirror. Work on your favorites and you’ll be able to mentally pick out a pose in the future — ___5___ a mirror.One thing that goes great with a nice pose is a matching smile, so try out several smile until you find one that fits. You should consider ___6___ a closed or an open-mouthed smile looks better.No. 3 Say “Money”We’re used to saying “Cheese”, but this only creat es a fake smile. Abandon the cheese and try out the word “Money” instead. The ending ‘ey’ is the very sound ___7___ forces the corners of your mouth upward and creates a fold around your eyes. The result is a more natural, realistic smile. Another great trick to preventa too-wide smile ___8___ (happen) is placing your tongue on the back of your front teeth.No. 4 Choose the Right LightingGetting some sunny photos on a bright day makes you look good a pictures. But in reality, the sun can often create unpleasant shadows that are ___9___ but attractive.Standing right under an indoor light will have the same effect as the sun, which is also worthy ____10____ (mention), story a source of natural light instead, such as a window.【答案】1. tied2. even if / even though3. Having analyzed4. has been figured5. without6. whether7. that 8. happening9. anything10. to be mentioned【解析】这是一篇说明文。
制药工程专业英语词汇
制药工程专业英语词汇medicinal药品,药物, 药的,药用的,治疗的 medical 医学的,医术的pharmaceutical 药学的,制药的,药品 be split into 分成,分为 alkaloid生物碱 enzyme 酶 polysaccharide 多糖,多聚糖 precursor 前体 steroid 甾体peptide 肽 hormone 激素 gall 胆汁 insulin 胰岛素 pancreas胰腺serum/sera血清,浆液 vaccine 疫苗 cholesterol 胆固醇 gelatine 骨胶,明胶 antibiotic 抗生素,抗菌的 interferon 干扰素 antibody 抗体 fermentation 发酵 therapy 治疗/ therapeutic治疗的 therapeutic margin caffeine咖啡因dopamine多巴胺 yeast 酵母 mucous membrane粘液的,分泌粘液的 plasma 血浆,淋巴液,等离子体penicillin 青霉素 penicillium 青霉菌 derivative衍生物 sterile无菌的,不能生育的aerobic 需氧的 oxygen feedstuff 饲料 lymph淋巴,淋巴液 starch 淀粉regiospecific reaction区域专一性反应 stereospecific reaction立体专一性反应glucose葡萄糖 immobilize 固定 heterogeneous 不均匀的,多相的contamination污染 genetic 创始的,遗传学的 hygienic 卫生学的,卫生的intermediate中间体extraction 萃取 recrystallization 重结晶/ crystal 晶体,晶体的 xylene 二甲苯 toluene 甲苯 ether 醚 synthesize 综合, 合成 benzene苯/ chlorobenzene氯苯synthetic, 合成的, 人造的,化学合成品 synthesis [复syntheses] 综合,综合物, 合成(法) semisynthetic, lead structure先导结构 preparation 制备,制剂 isolate使分离,使离析 / isolation heart glycoside tocopherol 生育酚hydrolysis水解/hydrolysate水解产物/hydrolyze水解 hydroxylation 羟基化 dextran 葡聚糖,代血浆 wool 羊毛 ,ーlactamβ-内酰胺amino acid 氨基酸/ amino 氨基的penicilamine 青霉胺 ammonia 氨 ammonium 铵 / ammonium sulfate硫酸铵amine 胺 amide酰胺 microorganism 微生物 microbiological微生物学的mutant 变异的,突变型, 突变体 starting material 起始原料natural source天然来源organ器官/target organ 靶器官 pancreas 胰腺 natural product 天然产物mould 霉,霉菌,发霉high performance 高效bacterial 细菌的 protein 蛋白质degradation 降解 metabolism新陈代谢 / metabolizemetabolite代谢物 molecule /molecular weight food additive organic lactic acid乳酸 citric acid 柠檬酸 tetracycline 四环素 carbon dioxide 二氧化碳 carbohydrate 碳水化合物 saccharide 糖 /多糖 polysaccharide nitrogen 氮 urea 尿素phosphate 磷酸盐 optimal 优化的,最佳的separate vt 分离 absorption 吸收 absorbvt. 吸收 filtration 过滤 filtrate 滤液 filte 过滤,vt, ,过滤器,n, recombinant重组的,重组子 purification 纯化 encode把(电文等)译成电码(或密码), 编码calcium 钙chromatographic procedure 色谱操作步骤 isomerization异构化 /isomeric phenol 酚 fructose 果糖 fumaric acid 富马酸 countless test 非计数的diagnose诊断 diagnostic analysis分析/analyze 分析vt / analyst分析家/ analytical分析的protease 蛋白酶 Ingredient 成分 in combination with 结合 Digestion 消化。
关于步骤的英语作文
关于步骤的英语作文Writing an essay on steps can be quite straightforward, but it's also a chance to show your creativity and abilityto communicate ideas in a clear and engaging way. Here area few examples of paragraphs that could be part of such an essay, each with its own unique language style and approach.First, let's start with a casual and conversational tone. "Alright, so here's the first step: you got to gather all your materials. Like, say you're cooking a meal, you need your pots, pans, ingredients, and all that. Just make sure you have everything ready before you start."Next, let's try a more formal and descriptive approach. "The initial step involves the meticulous preparation ofall requisite components. This ensures that the subsequent phases proceed smoothly, without any interruption due to missing or inadequate materials."Moving on to a more creative and imaginative style."Imagine it's like a treasure hunt! The first clue leads you to gather your tools and treasures your compass, your map, and your shiny gold coins! Without these, you'll never find the buried treasure at the end."And finally, let's finish with a humorous and light-hearted paragraph. "Alright, step one? Easy peasy!。
关于步骤的英语作文
关于步骤的英语作文英文回答：The concept of steps is fundamental to various disciplines, including mathematics, science, and even everyday life. In mathematics, steps refer to the incremental stages or operations involved in solving a problem or performing a calculation. These steps follow a logical sequence, building upon each other to achieve the desired outcome.In science, steps often represent the methodical procedures or experiments undertaken to test hypotheses and gather data. They typically involve careful planning, execution, and analysis, with each step contributing to the overall understanding of the phenomenon being investigated.In everyday life, steps can refer to the gradual process of achieving a goal or completing a task. They break down complex or daunting tasks into smaller,manageable chunks, making them seem less overwhelming and more feasible. By taking one step at a time, we cansteadily progress towards our objectives.The importance of steps cannot be overstated. They provide structure, direction, and clarity to our endeavors. By following a step-by-step approach, we minimize errors, increase efficiency, and enhance our chances of success. Whether in solving a math problem, conducting a scientific experiment, or pursuing personal goals, steps serve as essential building blocks for our achievements.中文回答：步骤的概念。