查询词典 chemical

It is proved that the system can be used to the hazardous chemical tank car and effectively enhance the safety of hazardous chemical transportation.

试验证明，该系统可以满足集装箱危险化学品运输监测的要求，能够有效提高危险化学品运输的安全性。

Tautomerism: Existence of two or more chemical compound s that have the same chemical composition but different structures and that convert easily from one to another.

互变异构体现象：两种或多种化合物，具有相同的化学组成，但结构不同，很容易从一种转换到另一种。

College of Chemical Engineering, Beijing University of Chemical Techno logy, Beijing 100029, China

北京化工大学化学化工学院，北京 100029

Physiology To convert into simpler chemical compounds that can be absorbed and assimilated by the body, as by chemical and muscular action in the alimentary canal.

消化：在消化管中通过化学的和肌肉的作用，将转变成能被身体吸收和同化的简单化学混合物

The presenting topics include introduction, gas and liquid, thermodynamics, thermochemistry, spectroscopy of chemistry, chemical equilibrium, physical equilibrium, solution, electrochemistry, chemical kinetics.

介绍主题包括绪论，液体与气体，热力学，热化学，化学光谱学，化学平衡，物理平衡，溶液，电化学及化学动力学等。

It use ascertaining end-point titrimetry to measure the end-point. It can be used to meansure the moisture content in chemical fertilizer medicine,foodstuff,chemical material and other industrial products.

采用"永停法"来测定终点，该仪器主要用于测定化肥、医药、食品、轻工、化工原料以及其它工业产品的水份含量。

It use ascertaining end-point titrimetry to measure the end-point. It can be used to meansure the moisture content in chemical fertilizer medicine,foodstuff,chemical materialother industrial products.

采用"永停法"来测定终点，该仪器主要用于测定化肥、医药、食品、轻工、化工原料以及其它工业产品的水份含量。

I was founded in 2005, is a professional Chemical Industry Co., Ltd, Main BF3 acetonitrile complex, boron trifluoride diethyl ether complex, boron trifluoride DMC complex and Inorganic chemical raw materials, pharmaceutical intermediates.

我公司成立于2005年，是一家专业的化工实业有限公司，主营三氟化硼乙睛络合物、三氟化硼乙醚络合物、三氟化硼碳酸二甲酯络合物及无机化工原料、医药中间体。

It is used to some extent in pharmaceutical industry (used as special catalyst to produce antibiotics) and chemical industry, esp. in production of cephalosporin (whose effect is better than boron trifluoride ethyl ether complex compound), and also used for most advanced science, such as abstraction of fuel with high energy and of isotope B10 as well as chemical reagent.

在制药工业(在医药上作为生产抗生素的专用催化剂)、化学工业等行业中都有不同程度的使用，尤其在头孢抗菌药类，效果优于三氟化硼乙醚络合物，亦用于尖端科学，如高能燃料的提取及提取同位素B10，也可用作化学试剂

For purification of nitrogen trifluoride(NF3) which is used as a plasma etchant and cleaning gas for chemical vapor deposition chambers, a few purification methods and equipments may be chosen according to difference in boiling points and physico-chemical properties of NF3 and its impurities.

三氟化氮作为等离子蚀刻剂和化学气相沉积室的清洗气体，可根据粗三氟化氮气体中各组分的沸点及物理、化学性质的差异选择不同的纯化工艺及设备。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。