查询词典 chemistry

Therefore, To exploit the unique properties and to realize and obtain the full potential of the versatile polysaccharide, attempts are being made to chemically modify them. In the life sciences, agricultural chemicals, medicine, separation inspissation and other fields, phosphorus chemistry has a lot of important applications.

因此，许多研究者逐渐把目光转移到了对壳聚糖的化学修饰方面，希望通过化学修饰赋予其更加良好的物理化学性质以及更好的生物活性，使其应用范围更加广泛。

Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China

中国科学院化学研究所，北京 100080

The important task of the exquisite physical chemistry course construction is to make good of the hardware of modern education technology,to develop the potential of the existing and high-quality teaching resources,to increase the network information,to abide by the principles of intellectualized navigation,scientificity,complementarity,interaction,flexibility,feasibility,scalability,artistic quality,instructiveness,stability and step by step,etc,integrate and make the network teaching materials normative overall and beneficial to the students.

精品课程建设要求逐步建立能使广大学生受益的网络教学资源，只有这样才能挖掘出现有教学资源的潜力和最大化地利用现有优质教学资源。为此，我们充分利用现代教育技术的良好硬件环境，在原有工作的基础上，增加更多的网络信息，全面整合和规范物理化学课程的网络教学资源，并以此作为精简授课学时、激发学生学习兴趣和学习动机、提高教学效果的一个重要途径。1网络教学在物理化学教学中的作用网络的时空无限性不仅构筑了新的人类生存空间，也构筑了新的教育空间。

Interatomic potential; Quantum chemistry ab initio calculation; Fitted pair potential; Iron cluster

原子间相互作用势；量子化学从头计算；拟合对势；铁团簇

Based on the quantum chemistry ab initio calculation method, density functional theory method's ultrasoft pseudopotential method and semi-empirical interatomic pair potential combined, the cohesive energy of martensite crystal cell of the high-carbon alloy steel DM8A and DM8 was calculated.

利用量子化学从头计算方法、密度泛函理论的超软赝势方法与半经验原子间相互作用对势相结合，计算出高碳合金钢DM8A钢和DM8钢马氏体晶胞的结合能信息。

The quantum chemistry ab initio calculation method and semi-empirical interatomic pair potential were combined, and the crystal cell models of the alloyed Austenite in "the empirical electronic theory for solid states and molecules" were consulted. The cohesive energy information of Fe-C-Me Austenite crystal cell was calculated.

利用量子化学从头计算方法和半经验原子间相互作用对势，并参考"固体与分子经验电子理论"中的合金奥氏体的晶胞模型，计算出Fe-C-Me奥氏体晶胞的结合能信息。

The approaches in organic chemistry reveal the essence of bonding of atoms within the oranic chemicals which constituent the matters in the world, the law of organic molecules interconversion, and designs and synthesizes organic molecules with special structures. Meanwhile, it provides theory, technology and materials for related subjects such as material science, life science and environmental science.

有机化学学科的发展，揭示了构成物质世界的有机化合物分子中各原子间键合的本质以及有机分子转化的规律并设计、合成了具有特定结构的有机分子；它又为材料科学、生命科学、环境科学等相关学科的发展提供了理论、技术和材料。

Gene chips technology developed from the middle of 90's is one of the important technology. It is a highly intercross technology including microelectronics, biology, physics, chemistry and computer science.

摘要基因芯片技术是90年代中期发展起来的重大科技之一，它是融微电子学、生物学、物理学、化学、计算机科学为一体的高度交叉的新技术，具有重大的基础研究价值和明显的产业化前景。

It is an interdisciplinary programme that combines chemistry, physics and biology.

这是一项跨学科计划，结合化学，物理学和生物学。

Nanjing University, Jiangsu Technological Research Center for Interfacial Chemistry and Chemical Engineering, Nanjing 210093, China

南京大学，江苏省界面化学工程技术研究中心，南京 210093

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