应用化学

Its chief uses are in steels to increase hardness and strength and in lightbulb filament s. It is also used in electrical contacts, rocket nozzles, chemical apparatus, high-speed rotors, and solar-energy devices.

主要用于钢材中以提高硬度和强度，并用作灯丝，还应用于电接触、火箭喷嘴、化学装置、高速转子以及太阳能器件。

Its chief uses are in steels to increase hardness and strength and in lightbulb filaments. It is also used in electrical contacts, rocket nozzle s, chemical apparatus, high-speed rotors, and solar-energy devices.

主要用于钢材中以提高硬度和强度，并用作灯丝，还应用于电接触、火箭喷嘴、化学装置、高速转子以及太阳能器件。

The Agency may decide to impose conditions with the aim of ensuring that the substance or the preparation or article in which the substance is incorporated will be handled only by staff of listed customers as referred to in paragraph 2 in reasonably controlled conditions, in accordance with the requirements of legislation for the protection of workers and the environment, and will not be made available to the general public at any time either on its own or in a preparation or article and that remaining quantities will be re-collected for disposal after the exemption period.

化学局为了确保没有形成一体的物质、制剂或物品正确处置，可以决定提高条件：只能列入客户清单中员工在合理的控制条件进行操作，为了履行保护雇员和环境的法律要求，任何时候不能让公众应用，并保证豁免期后能完全回收剩余物质进行处置。

In recent years, my Department of a total of 36 provincial departmental level commitment issues, 28 field grade research projects, 29 enterprises of horizontal issues in biotechnology, chemical application has been made must score.

近年来，我系共承担36项省厅级课题，28项校级科研课题，29项企业横向课题，在生物技术、化学应用方面取得了一定成绩。

In the light of this problem application ground changes color atlas of photograph of logging, hot vent one's anger to analyse, combinative gas is measured logging and take off an analysis completely, from the chemical composition proceed with that analyses derv, unusual mechanism undertook complete to mixing the energy of life that fluid of derv artesian well causes to measure hydrocarbon be analysed deep, found out occurrence gas to measure the reason with complete unusual hydrocarbon, measured an explanation to provide reliable basis for gas.

针对此新问题应用地化录井、热解气相色谱分析，结合气测录井和全脱分析，从分析柴油的化学成分入手，对混柴油钻井液引起的气测全烃异常机理进行了深入分析，找出了出现气测全烃异常的原因，为气测解释提供了可靠的依据。

This paper discusses the operation procedures in using Flash to simulate medical chemistry experiment,"determining the content of sodium citrate injection with ion-exchange technique": movement animation,shape-shift animation,key-frame animation,word processing,and sound disposition.

通过应用Flash模拟医用化学实验-离子交换法，测定枸橼酸钠注射液浓度的制作过程，介绍了运动动画、形变动画、关键帧动画和文字处理及声音配置等操作步骤。

The principle manufacturing techniques of chemical slow-release formulation of pesticides,and the factors to affect active agent release were reviewed.

介绍了控制释放技术及其在农药生产中的应用，论述了农药控制释放剂型在减轻环境污染、减少农药使用量以及提高农药施用安全性的作用，并详细论述了化学型农药缓释剂的原理、制备技术和活性物质释放的影响因素。

Advances in Research on Plants Reactions under Phosphate Starvation;2. Topics discussed in this article includes synthesis and structures of R2M24, the reactions of its metal-metal triple bond with various reagents such as nucleophiles, carbon-carbon mu.

本文对一类重要的ⅥB族金属叁键化合物R_2M_2_4(R为环戊二烯基及类环戊二烯基)近年来的研究成果进行了综述，综述重点是这类化合物的官能团M≡M参键的化学活性，全文包括R_2M_2_4的合成及结构，M≡M叁键与亲核试剂、与碳-碳重键，与氧或与金属羰基物等试剂的反应及其应用。

Topics discussed in this article includes synthesis and structures of R2M24, the reactions of its metal-metal triple bond with various reagents such as nucleophiles, carbon-carbon mu.

本文对一类重要的ⅥB族金属叁键化合物R_2M_2_4(R为环戊二烯基及类环戊二烯基)近年来的研究成果进行了综述，综述重点是这类化合物的官能团M≡M参键的化学活性，全文包括R_2M_2_4的合成及结构，M≡M叁键与亲核试剂、与碳-碳重键，与氧或与金属羰基物等试剂的反应及其应用。

Methods Lymphatic endothelial cells were isolated from pig thoracic duct, primary cultures and subculture were finished by collagenase digestion method, immunocytochemstry was used in identification of their biological characterization.

用胶原酶灌注消化的方法，从猪胸导管中分离出淋巴管内皮细胞进行原代及传代培养，应用免疫细胞化学法对培养的细胞进行鉴定。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。