查询词典 chemistry

It lasts for three years, during which the children learn basie Chinese English, Mathematics, Physics and Chemistry.

在此期间，孩子们学基础汉语、英语、数学、物理和化学。

MATERIALS: Paclitaxel degradable material (PLLA:PGA=9:1) were offered by Changchun Applied Chemistry Institute of Chinese Academy of Science. Human umbilical arterial smooth muscle cells were purchased from Baster, Wuhan, China.

材料：紫杉醇可降解材料（左旋丙素酯与聚乙交酯的比例为9：1）由中国科学院长春应用化学研究所提供。

So teachers of inorganic chemistry curricula shoud be duty-bound to instruct the students in their self-study.

因此 ，代课教师有责任对煤化工专业的学生作自学指导，在本课程教学环节中培养和提高他们的自学能力，以适应后继课程的学习

And now, only 15 years after Becquerel's discovery, we are face to face with a whole world of new phenomena belonging to a field which, despite its close connexion with the fields of physics and chemistry, is particularly well-defined.

现在，在离贝克勒尔的发现仅15年之后，我们面前出现了一个充满新现象的世界。这些新现象属于一个领域，尽管这个领域与物理领域和化学领域密切相关，但很明显这是一个特别的领域。

To increase the infusion efficiency, the coal surface wetness course has been analyzed with the interface chemistry theory, which involves the course of bedew, soakage and .

分析了煤层注水过程中水在煤体中的运动动力和过程，用界面化学理论分析了煤体表面的润湿过程，得出了煤体能够自行润湿的条件，即润湿过程的润湿功必须为正，同时得出了各种润湿过程的判断依据。

It includes honey,queen bee thick fluid,bee pollen,bee dried meat and bee glue etc.,whose chemistry composition is complicated and contains extremely strong various physiology active material.

蜂产品化学组成复杂，且含有多种生理活性极强的生物活性物质，具有提高人体免疫能力、增强记忆力、消除疲劳以及抗衰老和美容的功效，是大自然赋人类最珍贵的礼品。

Methods The BNP levels of 60 patients diagnosed as AMI by coronary angiography and 60 healthy controls were detected by DADE BEHRING clinical chemistry system. Results The BNP level of the AMI patients was higher than that of the controls.

大量国内外研究证明BNP浓度可作为有呼吸困难的慢性心力衰竭和肺部疾患的鉴别指标[2]；BNP与心力衰竭的严重程度明显相关；BNP是判断心力衰竭患者预后的有效指标。

Choosing an environmentally benignant cleaning reaction solvent is an important part of Green Chemistry research.

选择与环境友好的"洁净"的反应介质是绿色化学研究的重要组成部分。

Chemistry A group of atoms bound in a structure, such as a benzene ring, that is resistant to alteration in chemical reactions.

环核：包围在抗化学反应变化的结构中的一组原子，如苯环

The development and application of supramolecular chemistry and NMR were reviewed.Based on that,several benzimidazole derivatives were synthesized from o-phenylenediamine.

本文在总结超分子化学及核磁共振的发展及应用的基础上，以邻苯二胺为原料，合成了几种苯并咪唑衍生物，作为分子识别中的客体小分子。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐