我的英文资料
毕业设计(论文)外文资料翻译
学院：自动化工程学院
姓名：孟祥光
专业：□∨自动化学号：2012307010628
□测控技术与仪器班级：自动126
外文出处：资料1：Hydrolysis Mechanism of Fe(Ⅲ)Solution (用外文写)
Containing Phosphate
资料2：desalination 275 (2011) 17-25
附件：资料1：1.翻译译文；2.外文原文。
资料2：1.翻译译文；2.外文原文。
附件1：外文资料翻译译文
含磷酸根的三价铁盐水解机理的研究
摘要:含有少量磷酸根的三价铁盐的水解过程是相当复杂的,它可分为两个阶段,即:成核前的水解机理和成核后的水解机理.前一个阶段的水解机理可用逐时络合比色法进行研究.此法把三价铁水解过程中的形态区分为Fe(a)、Fe(b)和Fe(c)三类,它们分别代表了三价铁盐水解产生的不同聚合度的聚合物.后一个阶段的水解机理用磷钼兰法、高倍透射电镜和XPS图谱等进行了探索.结果表明,当含磷酸根的三价铁盐水解、聚合时,由于部分磷酸根可能被包裹于其中,因此成核速率和相转化速率大大降低.
关键词:磷酸根;纺锤形α Fe
2O
3
粒子;水解机理
椭球的赤铁矿颗粒生产高品位的磁介质是由于其光滑的理想材料，在室内没有磁极的无孔表面。目前，它们的制备定量方法包括铁盐溶液的强制水解法和水热合
成法。这两种方法都需要少量的磷酸盐离子作为生长调节剂。分离αFe
2o
3
椭球颗粒
强制水解，没有文献试图说明三价铁的水解过程含有磷酸已找到解决方案。为了了解水解过程中，三价铁的变化是有磷酸盐的存在还是不存在，其水解过程中聚合物与络合离子定时法研究该三价铁的约束的原因也阐述了。
1.1材料
分析纯试剂和双蒸馏水进行实验。
测定了其使用前的铁溶液和磷酸盐的浓度。制备0.2%（质量分数）试剂溶液，浓HNO
3
溶液双蒸馏水稀释后的三倍。
氟化钠氯化亚锡溶液制备：24克氟化钠溶解在100 ml热水；冷却后，加入2克氯化亚锡进行；然后混合物过滤。
1.2铁水解过程中形态分布的测定
三价铁溶液和磷酸溶液分别进行水解反应在沸腾时，将300毫升加入500毫升瓶，这是由电磁搅拌器加热，和一个700毫米全球回流冷凝器的安装。样品溶液沸腾时开始。然后，他们在几分钟内采取了一次，直到初始磷应运而生。采用络合离子定时分光光度法在分光光度计在波长600 nm的样品的吸收率。可以计算出铁（甲）、铁（铁）和铁（铁）的含量。Fe（a）包括游离三价铁离子和单羟基聚合物；Fe（b），过渡传统的低聚合物种类和Fe（c），数百三价铁聚合物离子。
1.3测定水解过程中的磷酸盐浓度
上面提到的实验装置也被使用。一旦最初的沉淀出现，第一个样品立即被带到αFe2O3椭球粒子完全形成ED，即磷酸盐浓度基本不发生变化。通用高速离心机是用来除去沉淀。沉淀物洗涤多次洗涤溶胶执行加入母液。然后，将母液稀释到一定体积。通过对磷钼蓝分光光度法测定该溶液的吸收率在波长为660纳米的波长相同的可测量的程序。
1.4实验为后一种机制
为了阐明成核的机制，高分辨率透射电子显微镜进行了600个仪器。椭球αFe
2O 3
颗粒XPS能谱也与ESCA labmk 2×RA患者进行2结果与讨论
2.1的水解过程Fe（NO
3）3和Fe（NO
3
）
3
质量体系
当水解0.097 1 mol/L的Fe（NO
3）
3
溶液发生在100℃，反应液采样前的初始
沉淀的0、3、8、15 min、20 h和三价Fe浓度n，当每个样品混合与溶液定期测量。三价Fe浓度随时间的变化，给出了不同的样本。
2.2 在椭球αFe
2O
3
颗粒生长的磷的吸附与解吸
磷的吸附与解吸曲线在0.2 mol/L的Fe（NO3）和2.4×10-3 mol/L，1.8×10-3 mol/L磷酸二氢钠混合煮沸回流，分别为水解。
3结论
（1）Fe的变化（a），Fe（b）和（c）铁Fe（NO
3）
3
的水解过程中溶液中含有磷酸
根离子被络合离子的分光光度法测定复杂时间。它被显示磷酸根离子会阻止Fe（NO
3
）3
溶液的水解。因为一些磷酸盐离子可能包括在聚合物的三价Fe聚集，三价Fe解决方案无法转化直到磷离子被羟基取代或改变了结构。其结果是，水解率降低。（2）可以证明，椭球形颗粒被溶解结晶聚集的条件下，较小的等比个亚基组成聚
集形成。在椭圆αFe
2O
3
颗粒表面的一些磷酸盐离子在椭球粒子的形成时是根据磷的
吸附与解吸曲线，XPS谱嗯，椭球αFe
2O
3
颗粒和高分辨率TEM。磷酸根离子在三价
铁的水解过程相当复杂溶液中含有磷酸。
附件1：外文原文
E Hydrolysis Mechanism of Fe(Ⅲ)Solution Containing Phosphate Abstract: The hydrolysis process of Fe(Ⅲ)solution is rather complicated when small amounts of phosphate ions are present. Two mechanisms can be used to describe the process, i.e., those before nucleation and after nucleation. The former was studied by the Ferron complex ion timed spectrophotometric method and the aqueous species of Fe(Ⅲ) were classified into three categories, which represent respectively different polymers during hydrolysis. The latter was investigated by the phosphomolybdate blue method, high resolution TEM and XPS spectrum. It was concluded that the rate of nucleation and the rate of phase transformation were decreased because some phosphate ions were possibly included in the polymer when the primary
particles ofαFe
2O
3
hydrolyzed and aggregated.
Key words: phosphate; ellipsoidalαFe2O3particles; hydrolysis mechanism Ellipsoidal hematite particles are ideal materials to produce high grade magnetic recording medium due to their smooth, hole free surface with no magnetic pole in the interior. At present, their preparation methods include the forced hydrolysis method of ferric salt solutions[1～ 3] and hydrothermal synthesis[4]. Both methods need little phosphate ions as a growth regulating
agent.Although the preparation of ellipsoidalα_Fe
2O
3
particles with forced
hydrolysis has been reported[5,6],no literature attempting to illustrate the
hydrolysis process of Fe(Ⅲ)solutions containing phosphate has been found. In order to understand the hydrolysis process, the change of Fe(Ⅲ)polymers during the hydrolysis in the presence or absence of phosphate was studied with the Ferron complex ion timed spectrophotometric method[7]and the reason for the restraint of Fe(Ⅲ)solutions hydrolysis in the presence of phosphate was also expounded in this paper.
1 Materials and Methods
1.1 Materials
The analytically pure reagents and doubly distilled water were needed in the experiment.
The concentrations of Fe(Ⅲ)solution and that containing phosphate were measured before their uses. The preparation of 0.2%(in mass)Ferron solution was the same as that.
The concentrated HNO
3
solution was trebly diluted with doubly distilled water.
The preparation of NaF SnCl
2
solution as follows: 24 g NaF were dissolved
in 100 mlhot water; after cooling, 2 g SnCl
2
were added; then the mixture was filtered. The solution was only used on the day.
1.2 Measurement of Morphology Distribution of Fe(Ⅲ)in the Hydrolysis Process
The solution with Fe(Ⅲ)only and the solution containing phosphate were respectively hydrolyzed under boiling reflux.300 mL reactant was added into
a 500 mL three neck flask, which was heated by electromagnetic stirrer, and a 700 mm global reflux condenser was installed. The samples were taken at once when the solutions tarted boiling. Then they were taken once in several minutes till the initial precipitates came into being. The sample absorptivity was measured by Ferron complex ion timed spectrophotometric method on spectrophotometer at a wavelength of 600 nm. The contents of Fe(a), Fe(b)and Fe(c)could be calculated. Fe(a)includes free Fe(Ⅲ)ions and all monomeric hydroxyl polymer; Fe(b), transitional low polymeric species and Fe(c), polymer of several hundreds Fe(Ⅲ)ions.
1.3 Measurement of Phosphate Concentration in the Hydrolysis Process
The experimental installation mentioned above was also used. As soon as the initial precipitates appeared, the first sample was immediately taken
tillαFe
2O
3
ellipsoidal particles were completely formed, i.e., the
phosphate concentration did not change basically.High speed universal centrifuges were used to remove the precipitates. The precipitates were washed for several times and the washing solution was added into the mother solution. Then, the mother solution was diluted to a definite volume. The absorptivity of this solution was measured by phosphomolybdate blue method on the spectrophotometer at a wavelength of 660 nm with same measurable procedures 。
1.4 Experiment for the Latter Mechanism
In order to elucidate the mechanism after nucleation, high resolution TEM
was performed with an H 600 instrument. XPS spectrum of ellipsoidalα Fe
2O 3
particles was also performed with ESCA LabMK 2 X ray photoelectron spectroscopy using MgKα radiation.
2 Results and Discussion
2.1 Hydrolysis Process of Fe(NO
3)
3
and Fe(NO
3
)
3
NaH
2
PO
4
System
When the hydrolysis of 0.097 1 mol/L Fe(NO
3)
3
solution took place at 100℃ ,
reacting solution was sampled before the emergency of initial precipitates at 0, 3, 8, 15 min and 20 h and Fe(Ⅲ)concentration was measured regularly as soon as every sample was mixed with Ferron solution. The changes of Fe(Ⅲ)concentration with time are given for different samples.
2.2 Phosphate Adsorption and Desorption in the Growth of Ellipsoidalα
_Fe
2O
3
Particles
The curve of phosphate adsorption and desorption are given when 0.2 mol/L
Fe(NO
3)
3
and 2.4×10-3 mol/L, 1.8×10-3 mol/L NaH
2
PO
4
were mixed with boiling
reflux, respectively, for the hydrolysis.
3 Conclusions
(1) The changes of Fe(a), Fe(b) and Fe(c)during the hydrolysis of Fe(NO
3) 3
solutions containing phosphate ions was measured by the Ferron complex ion timed spectrophotometric method. It was shown that phosphate ions might
prevent the hydrolysis of Fe(NO
3)
3
solutions. Because some phosphate ions were
possibly included in the polymers by Fe(Ⅲ)aggregation, the Fe(Ⅲ) solutions could not be transformed into nuclei until phosphate ions were replaced by
hydroxyl or the structure was changed. As a result, the ratio of hydrolysis was decreased.
(2)It could be proved that ellipsoidal particles were formed by aggregation of smaller anisometric subunites under redissolution crystallization aggregation conditions. There were some phosphate ions on
the surface of ellipsoidalαFe
2O
3
particles during the formation of
ellipsoidal particles according to the curve of phosphate adsorption and
desorption,the XPS spectrum of ellipsoidalα Fe
2O
3
particles and the high
resolution TEM. The effectof phosphate ions was rather complicated in the hydrolysis process of Fe(Ⅲ)solutions containing phosphate.
附件2：外文资料翻译译文
用离子色谱法分析火电厂水的应用和验证：水汽循环中腐蚀性
阴离子的分析
关键词：微量阴离子 腐蚀 电容率 水汽循环 发电厂
摘要：
在这项研究中，我们已经研究出在火电厂车间使用抑制的离子色谱的方法，来监测可能引起腐蚀过程的离子种类。开发出应用离子色谱法函数来检测电厂采样水中目标离子的不同等级。具体方法是：应用大型循环直喷技术，对样品水进行注射，用抑制电导度检测法分离和检测分析物中的离子。这种验证的分析方法被应用到研究线性条件，灵敏度，精密度和准确度等多个方面。在R>0.995的浓度范围之内，这个方法是线性的。在其检测范围之内，当F -，CL -，3NO -，34PO -，24SO -
的浓度分别为0.080, 0.160, 0.180, 0.230 和.200 μg/L 时用2Na 3co 和3NaHCO 作为洗脱剂。当F -和CL -的浓度分别为0.077 和0.082 μg/L 时用NaOH -作为洗脱剂。导出数据显示,平均回收率一般范围在60- 120%。这种新方法的性能，在电厂水汽取样中得到了评估。
1. 简介
在电厂中，检测发电过程中使用的各种水流中离子杂质的含量和运动是至关重要的，这些水流包括：进水，锅炉水，蒸汽和冷却水。腐蚀性的离子，例如：钠，氯化物和硫盐酸，即使在低浓度的情况下也可能使电厂车间的蒸汽发生器，锅炉管和涡轮叶片等发生应力腐蚀开裂。在发电过程中，测量离子的杂质，能为分析污染物的来源提供有价值的信息，同样的，在电厂启动和关机过程当中，污染物的积累和可能的腐蚀速率也是十分有效和及时的数据。
对于控制腐蚀过程来说，监控过程水中的阳离子是十分重要的，已经研究出针对金属离子，特别是铜，铁，钠，钙，镁等的腐蚀指标的方法和技术。与此同时，我们也确定通过检测水中负离子的浓度来监控腐蚀过程是一个更好的办法。综上所述，负离子的检测和控制这种研究方法必须得到发展。在所有的离子当中，我们发现氟离子是火力发电厂中最易造成腐蚀的离子，它会不但会腐蚀金属表层，还会造成孔状腐蚀。
氯化物离子对于整个水汽环节，包括锅炉，汽轮机，冷凝器，管道都有负面影响，
为了维持高可靠性和了解设备的使用寿命，必须要实现一种高质量的工作介质既水和蒸汽。因为这些原因，人们提出了关于TPP的高效净水技术，和现代水汽周期的系统控制和检测的相关概念。在水汽循环的所有环节中实施新的净化操作线和在线控制水，是十分重要的。
为了监测超纯水的质量，本文介绍两类参数：控制和诊断参数。这些水质参数需要快速精准的测量，以便于在操作点的人员估计水质。在电厂浓度有高到底的水样品中快速，准确的确定腐蚀性阴离子是一项具有挑战性的问题。在过去的20年里，离子色谱法（IC）已经成为解决这个问题的一种必不可少的重要技术。因为IC提供了一个分离和鉴定浓度从高到底的特种离子的独特能力。
在百万分之一和十亿分之一范围内的阴离子，可以用直喷技术轻易的分析出来。为了确定低与百万分之一和十亿分之一范围的离子杂质含量，通常是使用各种样品。
附件2：外文原文
Application of ion chromatography in the analysis of water in thermal power plants: an analysis of the corrosive anions in the water vapor cycle Key words: Micro anion corrosion capacity water vapor cycle power plant Abstract:
In this study, we have developed suppressed ion chromatography method is used in the thermal power plant, to monitor the corrosion process of ionic species may cause. Developed by ion chromatography function to detect a power plant sampling different grades of the target ion in water. Specific methods are: application of the large scale circulation direct injection technology, for water samples injected with suppressed conductivity degree method was used to detect the separation and detection of the analyte in the ion. Verify this analysis method was applied to study the linear conditions, sensitivity, precision and accuracy and multiple aspects.When F -，CL -，3NO -，34PO -
，24SO -
concentration respectively to 0.080, 0.160, 0.180, 0.230 and 200 g / L with as eluent. When 0.077 and 0.082 g / L are used as the concentration of with as eluent. Export data display, average recovery rate generally in the range of 60 to 120%. This new method of performance, in the power plant water vapor sampling get the evaluation.
1.brief introduction
When the pipe used in power plant, the test generation process in various flow ion impurity content and exercise is essential, these streams include: water, boiler water, steam and cooling water. The corrosion of ions, such as sodium, chloride and sulphate, even at low concentrations may also make the power plant steam generator, boiler and turbine blade occurred stress corrosion cracking. In the power generation process, measurement of ionic impurities, for analysis of pollutant sources to provide valuable
information, the same, in the power plant startup and shutdown process, pollutant accumulation and possible corrosion rate is also very effective
and timely data.
For corrosion control and monitoring of process water cation is very important had been developed for against metal ions, especially copper, iron, sodium, calcium, magnesium corrosion index method and technology. At the same time, we also determined the by detecting water negative ion concentration to monitor the corrosion process is a better way. To sum up, the negative ion detection and control of this research methods must be developed. In all the ions, we found the fluoride ion is in thermal power plant, the most easily cause corrosion of ion, it will not only corrosion of the metal surface, can also cause corrosion of porous.
Chloride ion has a negative effect on the whole water vapor link, including boiler, steam turbine, condenser and pipe.
In order to maintain the service life of the high reliability and understanding of equipment must be to achieve a high quality of the working medium is water and steam. Because of these reasons, people put forward the TPP on high effective water purifying technology, and modern water vapor cycle system control and detection of the related concepts. In all aspects of the water steam cycle of implementation of new purification line operation and control of water, is very important. To the quality monitoring of ultra pure water. In this paper, we introduce two types of parameters: parameters for control and diagnosis. These water quality parameters need to be fast and accurate measurement, in order to facilitate the operating point estimation of water quality. In concentration of power plants have high in the end in the water sample quickly and accurately determine the corrosion negative ion is a challenging problem with. In the past 20 years, ion chromatography (IC) has become to solve the problem of a kind of indispensable important technology. Because of the IC provides a separation and identification of concentration from the unique ability of high end of special ion.
Anions in the PPM and one billionth of a range, can come out with the direct injection technology easily analysis. In order to determine the low and one millionth and parts per billion of ionic impurities content, usually using a variety of samples.
英文论文及中文翻译
International Journal of Minerals, Metallurgy and Materials Volume 17, Number 4, August 2010, Page 500 DOI: 10.1007/s12613-010-0348-y Corresponding author: Zhuan Li E-mail: li_zhuan@https://www.wendangku.net/doc/d59630481.html, ? University of Science and Technology Beijing and Springer-Verlag Berlin Heidelberg 2010 Preparation and properties of C/C-SiC brake composites fabricated by warm compacted-in situ reaction Zhuan Li, Peng Xiao, and Xiang Xiong State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China (Received: 12 August 2009; revised: 28 August 2009; accepted: 2 September 2009) Abstract: Carbon fibre reinforced carbon and silicon carbide dual matrix composites (C/C-SiC) were fabricated by the warm compacted-in situ reaction. The microstructure, mechanical properties, tribological properties, and wear mechanism of C/C-SiC composites at different brake speeds were investigated. The results indicate that the composites are composed of 58wt% C, 37wt% SiC, and 5wt% Si. The density and open porosity are 2.0 g·cm–3 and 10%, respectively. The C/C-SiC brake composites exhibit good mechanical properties. The flexural strength can reach up to 160 MPa, and the impact strength can reach 2.5 kJ·m–2. The C/C-SiC brake composites show excellent tribological performances. The friction coefficient is between 0.57 and 0.67 at the brake speeds from 8 to 24 m·s?1. The brake is stable, and the wear rate is less than 2.02×10?6 cm3·J?1. These results show that the C/C-SiC brake composites are the promising candidates for advanced brake and clutch systems. Keywords: C/C-SiC; ceramic matrix composites; tribological properties; microstructure [This work was financially supported by the National High-Tech Research and Development Program of China (No.2006AA03Z560) and the Graduate Degree Thesis Innovation Foundation of Central South University (No.2008yb019).] 温压-原位反应法制备C / C-SiC刹车复合材料的工艺和性能 李专，肖鹏，熊翔 粉末冶金国家重点实验室，中南大学，湖南长沙410083，中国（收稿日期：2009年8月12日修订：2009年8月28日;接受日期：2009年9月2日） 摘要：采用温压?原位反应法制备炭纤维增强炭和碳化硅双基体(C/C-SiC)复合材
英文自我介绍合集(大黄蜂资料大集合)
General Introduction I am a third year master major in automation at Shanghai Jiao Tong University, P. R. China. With tremendous interest in Industrial Engineering, I am writing to apply for acceptance into your Ph.D. graduate program. Education background In 1995, I entered the Nanjing University of Science & Technology (NUST) -- widely considered one of the China?s best engineering schools. During the following undergraduate study, my academic records kept distinguished among the whole department. I was granted First Class Prize every semester,In 1999, I got the privilege to enter the graduate program waived of the admission test. At the period of my graduate study, my overall GPA(3.77/4.0) ranked top 5% in the department. In the second semester, I became teacher assistant that is given to talented and matured students only. This year, I won the Acer Scholarship as the one and only candidate in my department, which is the ultimate accolade for distinguished students endowed by my university. Presently, I am preparing my graduation thesis and trying for the honor of Excellent Graduation Thesis. Research experience and academic activity When a sophomore, I joined the Association of AI Enthusiast and began to narrow down my interest for my future research. With the tool of OpenGL and Matlab, I designed a simulation program for transportation scheduling system. It is now widely used by different research groups in NUST. I assumed and fulfilled a sewage analysis & dispose project for Nanjing sewage treatment plant. This was my first practice to convert a laboratory idea to a commercial product.
翻译资料英语
FINANCIAL INNOV ATION Like other industries, the financial industry is in business to earn profits by selling its products. If a soap company perceives that there is a need in the marketplace for a laundry detergent with fabric softener, it develops a product to fit the need .Similarly, in order to maximize their profits, financial institutions develop new products to satisfy their own needs as well as those of their customers; in other words, innovation-which can be extremely beneficial to the economy-is driven by the desire to get (or stay) rich. This view of the innovation process leads to the following simple analysis: A chance in the financial institutions for innovations that are likely to be profitable. Starting in the 1960s, individuals and financial institutions operating in financial markets were confronted with drastic changes in the economic environment: Inflation and interest rates climbed sharply and became hard to predict, a situation that changed demand conditions in financial markets. Computer technology advanced rapidly, which changed supply conditions. In addition, financial regulations became especially inconvenient. Banking institution discovers many old ways of doing business being able to not have earned money again; they provide the masses finance with service and financial products sale neither well. Many financial intermediary is discovered they have no way to raise having arrived at a fund, but these self that will not a suspense of business right away with original tradition finance implement. For existing under new economy environment, research and development puts up banking institution be obliged to being able to satisfy customer need moreover the new product being able to gain a profit of and serving, this process is called financial engineering. In their case, necessity was the mother of innovation. Our discussion of why financial innovation occurs suggests that there are three basic types of financial innovations: Escapism to responding to needing condition change, to the small advantages supplying with condition change and to controlling. We have had one now understandable that banking institution is innovative for instance the cause institutions, let’s look at examples of how financial institutions in their search for profits have produced financial innovations of the three basic types. 1
英文文献及中文翻译
毕业设计说明书 英文文献及中文翻译 学院：专 2011年6月 电子与计算机科学技术软件工程
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名家资料英文介绍：奥斯卡·王尔德 Oscar Wilde
Oscar Wilde (1854-1900), Irish poet and dramatist whose reputation rests on his comic masterpieces Lady Windermere's Fan温夫人的扇子(1892) and The Importance of Being Earnest认真的重要性(1895). Among Wilde's other best-known works are his only novel The Picture of Dorian Gray多利安?格雷的画像(1891) and his fairy tales especially "The Happy Prince." Wilde was born on October 16, 1854 in Dublin to unconventional parents - his mother Lady Jane Francesca Wilde (1820-96), was a poet and journalist. His father was Sir William Wilde, an Irish antiquarian古物研究者,收集古物者（antiques）, gifted writer, and specialist in diseases of the eye and ear. Wilde studied at Portora Royal School, Enniskillen, County Fermanagh (1864-71), Trinity College, Dublin (1871-74) and Magdalen College, Oxford (1874-78). In 1878 Wilde received his B.A. and in the same year he moved to London. His lifestyle and humorous wit soon made him the spokesman for
英文文献翻译
中等分辨率制备分离的 快速色谱技术 W. Clark Still,* Michael K a h n , and Abhijit Mitra Departm(7nt o/ Chemistry, Columbia Uniuersity,1Veu York, Neu; York 10027 ReceiLied January 26, 1978 我们希望找到一种简单的吸附色谱技术用于有机化合物的常规净化。这种技术是适于传统的有机物大规模制备分离，该技术需使用长柱色谱法。尽管这种技术得到的效果非常好，但是其需要消耗大量的时间，并且由于频带拖尾经常出现低复原率。当分离的样本剂量大于1或者2g时，这些问题显得更加突出。近年来，几种制备系统已经进行了改进，能将分离时间减少到1-3h，并允许各成分的分辨率ΔR f≥（使用薄层色谱分析进行分析）。在这些方法中，在我们的实验室中，媒介压力色谱法1和短柱色谱法2是最成功的。最近，我们发现一种可以将分离速度大幅度提升的技术，可用于反应产物的常规提纯，我们将这种技术称为急骤色谱法。虽然这种技术的分辨率只是中等（ΔR f≥），而且构建这个系统花费非常低，并且能在10-15min内分离重量在的样本。4 急骤色谱法是以空气压力驱动的混合介质压力以及短柱色谱法为基础，专门针对快速分离，介质压力以及短柱色谱已经进行了优化。优化实验是在一组标准条件5下进行的，优化实验使用苯甲醇作为样本，放在一个20mm*5in.的硅胶柱60内，使用Tracor 970紫外检测器监测圆柱的输出。分辨率通过持续时间（r）和峰宽（w,w/2）的比率进行测定的（Figure 1），结果如图2-4所示，图2-4分别放映分辨率随着硅胶颗粒大小、洗脱液流速和样本大小的变化。
中文和英文简历和专业英语材料翻译
韶关学院 期末考核报告 科目：专业英语 学生姓名： 学号： 同组人： 院系： 专业班级： 考核时间：2012年10月9日—2012年11月1 日评阅教师： 评分：
第1章英文阅读材料翻译 (1) 第2章中文摘要翻译英文 (3) 第3章中文简历和英文简历 (4) 第4章课程学习体会和建议 (6) 参考文献 (7)
第1章英文阅读材料翻译 Mechanization and Automation Processes of mechanization have been developing and becoming more complex ever since the beginning of the Industrial Revolution at the end of the 18th century. The current developments of automatic processes are, however, different from the old ones. The “automation” of the 20th century is distinct from the mechanization of the 18th and 19th centuries inasmuch as mechanization was applied to individual operations, wherea s “automation” is concerned with the operation and control of a complete producing unit. And in many, though not all, instances the element of control is so great that whereas mechanization displaces muscle, “automation”displaces brain as well. The distinction between the mechanization of the past and what is happening now is, however, not a sharp one. At one extreme we have the electronic computer with its quite remarkable capacity for discrimination and control, while at the other end of the scale are “ transfer machines” , as they are now called, which may be as simple as a conveyor belt to another. An automatic mechanism is one which has a capacity for self-regulation; that is, it can regulate or control the system or process without the need for constant human attention or adjustment. Now people often talk about “feedback” as begin an essential factor of the new industrial techniques, upon which is base an automatic self-regulating system and by virtue of which any deviation in the system from desired condition can be detected, measured, reported and corrected. when “feedback” is applied to the process by which a large digital computer runs at the immense speed through a long series of sums, constantly rejecting the answers until it finds one to fit a complex set of facts which have been put to it, it is perhaps different in degree from what we have previously been accustomed to machines. But “feedback”, as such, is a familiar mechanical conception. The old-fashioned steam engine was fitted with a centrifugal governor, two balls on levers spinning round and round an upright shaft. If the steam pressure rose and the engine started to go too fast, the increased speed of the spinning governor caused it to rise up the vertical rod and shut down a valve. This cut off some of the steam and thus the engine brought itself back to its proper speed. The mechanization, which was introduced with the Industrial Revolution, because it was limited to individual processes, required the employment of human labor to control each machine as well as to load and unload materials and transfer them from one place to another. Only in a few instances were processes automatically linked together and was production organized as a continuous flow. In general, however, although modern industry has been highly mechanized ever since the 1920s, the mechanized parts have not as a rule been linked together. Electric-light bulbs, bottles and the components of innumerable mass-produced
英语翻译学习资料(含中英文解释)
例1.Winners do not dedicate their lives to a concept of what they imagine they should be, rather, they are themselves and as such do not use their energy putting on a performance, maintaining pretence and manipulating（操纵） others . They are aware that there is a difference between being loved and acting loving, between being stupid and acting stupid, between being knowledgeable and acting knowledgeable. Winners do not need to hide behind a mask. 1.dedicate to 把时间，精力用于 2.pretence 虚伪，虚假 6 ．1 斤斤于字比句次，措辞生硬 例2.Solitude is an excellent laboratory in which to observe the extent to which manners and habits are conditioned by others. My table manners are atrocious( 丑恶)—in this respect I've slipped back hundreds of years in fact, I have no manners whatsoever（完全，全然）. If I feel like it, I eat with my fingers, or out of a can, or standing up —in other words, whichever is easiest. 孤独是很好的实验室，正好适合观察一个人的举止和习惯在多大程度上受人制约。如今我吃东西的举止十分粗野；这方面一放松就倒退了几百年，实在是一点礼貌也没有。我高兴就用手抓来吃，（eat out of a can）开个罐头端着吃，站着吃；反正怎么省事就怎么吃。 3.Whatsoever 完全，全然 1.Be conditioned by 受……制约 2.Atrocious 丑恶 6 ．2 结构松散，表达过于口语化 例3．有一次，在拥挤的车厢门口，我听见一位男乘客客客气气地问他前面的一位女乘客：“您下车吗？”女乘客没理他。“您下车吗？”他又问了一遍。女乘客还是没理他。他耐不住了，放大声问：“下车吗？”，那女乘客依然没反应。“你是聋子，还是哑巴？”他急了，捅了一下那女乘客，也引起了车厢里的人都往这里看。女乘客这时也急了，瞪起一双眼睛，回手给了男乘客一拳。（庄绎传，英汉翻译教程，1999 ：练习 3 ） 译文1：Once at the crowded door of the bus, I heard a man passenger asked politely a woman passenger before him: “Are you getting off?” The woman made no
AT89C51英文介绍资料
AT89C51 Description The AT89C51 is a low-power, high-performance CMOS 8-bit microcomputer with 4K bytes of Flash Programmable and Erasable Read Only Memory (PEROM). The device is manufactured using Atmel’s high density nonvolatile memory technology and is compatible with the industry standard MCS-51? instruction-set and pinout. The on-chip Flash allows the program memory to be reprogrammed in-system or by a conventional nonvolatile memory programmer. By combining a versatile 8-bit CPU with Flash on a monolithic chip, the Atmel AT89C51 is a powerful microcomputer which provides a highly flexible and cost effective solution to many embedded control applications. Features ?Compatible with MCS-51? Products ?4K Bytes of In-System Reprogrammable Flash Memory –Endurance: 1,000 Write/Erase Cycles ?Fully Static Operation: 0 Hz to 24 MHz ?Three-Level Program Memory Lock ?128 x 8-Bit Internal RAM ?32 Programmable I/O Lines ?Two 16-Bit Timer/Counters ?Six Interrupt Sources ?Programmable Serial Channel ?Low Power Idle and Power Down Modes The A T89C51 provides the following standard features: 4K bytes of Flash,128 bytes of RAM, 32 I/O lines, two 16-bit timer/counters, a five vector two-level interrupt architecture, a full duplex serial port, on-chip oscillator and clock circuitry. In addition, the AT89C51 is designed with static logic for operation down to zero frequency and supports two software selectable power saving modes. The Idle Mode stops the CPU while allowing the RAM, timer/counters, serial port and interrupt system to continue functioning. The Power-down Mode saves the RAM contents but freezes the oscillator disabling all other chip functions until the next hardware reset.
英文简历必备-个人资料中英翻译
个人资料 name 姓名 alias 别名 pen name 笔名 date of birth 出生日期 birth date 出生日期 born 出生于 birth place 出生地点 age 年龄 native place 籍贯 province 省 city 市 autonomous region 自治区prefecture 专区 county 县 nationality 民族，国籍citizenship 国籍 duel citizenship 双重国籍address 地址 current address 目前地址present address 目前地址permanent address 永久地址postal code 邮政编码 home phone 住宅电话 office phone 办公电话business phone 办公电话Tel.电话 sex 性别 male 男
female 女 height 身高 weight 体重 marital status 婚姻状况family status 家庭状况married 已婚 single/unmarried 未婚divorced 离异 separated 分居 number of children 子女人数none 无 street 街 lane 胡同，巷 road 路 district 区 house number 门牌 health 健康状况 health condition 健康状况blood type 血型 short-sighted 近视 far-sighted 远视 color-blind 色盲 ID card No.身份证号码 date of availability 可到职时间available 可到职membership 会员，资格president 会长 vice-president 副会长director 理事 standing director 常务理事
自我介绍英语(中文翻译)
Good morning. My name is xxx .It is really a great honor to have this opportunity to introduce myself，and I hope I can make a good performance today. 早上好。我的名字是某某某。非常荣幸能有这个机会来介绍我自己,我希望今天我能有个好的表现。 Now I will introduce myself briefly ,I am 23 years old，born in wenling, the capital of Zhejiang Province. I graduated from the The Chinese people's armed police force academy department of Frontier command in July, 2011. 现在我将简单介绍一下我自己,我今年23岁,出生在温岭市,是浙江省的省会。我毕业于中国人民武装警察部队学院前沿指挥部
门,2011年6月。 During the four years in university, I spend most of my time on study, I have passed CET4 and I have acquired basic knowledge of Frontier command. Besides, with my efforts and cheerful personality，I received a scholarship and outstanding student awarded. Generally speaking, I am a hard worker especially do the thing I am interested in. I like to chat with my classmates, almost talk everything ,my favorite pastime is Basketball, swimming or surf online.Through college life,I learn how to balance between study and entertainment. 在四年的大学,我把大部分时间花在学习上,我已经通过国家基本知识,我已经获得了国境的命令。同时,我的努力和性格开朗,我收
英语自我介绍资料
英语自我介绍资料 内容重点；1 开头礼貌用语 2 个人情况（中英文名字，年龄，班级和所在学校） 3 家庭情况（成员，工作情况） 4 个人兴趣（例如绘画，书法，唱歌，跳舞等） 5 结束用语 1 Ladies and gentlemen,good afternoon! Hello everybody/everyone. Nice to meet you 2 I’m very glad to stand here./It’s my pleasure to stand here. First, I will introduce myself. My name is 中文姓名and English name is 英文姓名.I’m 自己年龄years old . I’m in Class 班级Grade 年级。所在学校名称. primary/middle school . 3 There are 几个家庭成员people in my family . My parents / my father, mother and 、 I.(sister,brother) My father is 工作名称.My mother is 工作名称 . 4 I like 自己的兴趣爱好. My favourite food /colour/music/book is 自己喜爱的食物，颜色，音乐，书籍等. 5 I love my family members very much .That ‘s my introduction. Thank you very much ! 英语自我介绍资料 内容重点；1 开头礼貌用语 2 个人情况（中英文名字，年龄，班级和所在学校） 3 家庭情况（成员，工作情况） 4 个人兴趣（例如绘画，书法，唱歌，跳舞等） 5 结束用语 1 Ladies and gentlemen,good afternoon! Hello everybody/everyone. Nice to meet you! 2 I’m very glad to stand here./It’s my pleasure to stand here. First, I will introduce myself. My name is 中文姓名and English name is 英文姓名.I’m 自己年龄years old . I’m in Class 班级Grade 年级。所在学校名称. primary/middle school . 3 There are 几个家庭成员people in my family . My parents / my father, mother and 、 I.(sister,brother) My father is 工作名称.My mother is 工作名称 . 4 I like 自己的兴趣爱好. My favourite food /colour/music/book is 自己喜爱的食物，颜色，音乐，书籍等. 5 I love my family members very much .That ‘s my introduction. Thank you very much