查询词典 chemistry

If the laser is in ultraviolet-visible wave, photons activate choicely electron energy level or destroy weak bond of compound molecule, and result in chemistry reaction, which is photo leading decomposition mechanism, if the laser is in infrared wave, the chemistry reaction mainly is heat decomposition mechanism.

如果激光是可见紫外波段，光量子能量有利于选择性地激发分子的电子能级，或破坏化合物中弱键而诱导化学反应发生，化合物属于光致分解机理、引发弱键断裂机理；如果激光是红外波段，化合物表现的则是热分解机理。

As is well known, colloid chemistry is an important branch of physical chemistry, and is the basis of biochemistry, materials and environment sciences.

另外它也是生物化学、医药学、农业科学、材料科学、环境科学等学科的重要理论基础。

Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Xi'an 710062, School of Chemistry and Materials Science, Shaanxi Normal University, Xi'an 710062

应用表面与胶体化学教育部重点实验室西安 710062；陕西师范大学化学与材料科学学院西安 710062

In this paper,the current research situation and problems of slurry characteristics and its mechanism in SiO_2 CMP dielectric film are present.Tribology,contact mechanics,physical chemistry,colloid chemistry,surface and interface physics and other aspects of the theory are used to investgate.

因此如何调整抛光液配方，控制材料去除率，获得更高的表面质量，建立更加完善的材料去除率模型，实现稳定的生产，满足下一代超薄介质膜的要求等，仍然是各国学者研究的热点及前沿问题。

The curriculum mainly introduces the fundamental principle and research technique on chemical thermodynamics, chemical kinetics, electrochemistry, surface chemistry and colloid chemistry and so on.

本课程主要介绍化学热力学、化学动力学、电化学、表面化学、胶体等基本原理知识和研究方法。

Education Ministry Key Laboratory of Applied Surface and Colloid Chemistry , School of Chemistry and Materials Science , Shaanxi Normal University , Xi'an , Shaanxi 710062, China

陕西师范大学化学与材料科学学院，应用表面与胶体化学教育部重点实验室西安 710062

Of Pharmacy course, students can grasp the physical chemistry of chemical thermodynamics, chemical kinetics, interface and colloid chemistry basic theories and knowledge to be applied in pharmaceutical research. Meanwhile the students lay a good foundation.

此课程结合药学专业的特点，为培养学生能将物理化学中有关化学热力学、化学动力学、界面及胶体化学等基本理论和知识，较好地应用于药学专业研究，奠定了良好的基础。

Of colloid and surface phenomena, surface active matters, emulsion, high-molecule solution, new development of colloid chemistry, appliance of colloid and surface chemistry on food.

胶体与界面化学主要研究各种不同的界面性质、胶体化学的基本原理、胶体与界面现象的关系、表面活性物质和乳状液，在此基础上介绍食品中常见的胶体体系，食品胶体科学的新发展。

Based on the development of the time and the actual conditions of Tibet, this paper discussed the importance of offering chemistry course, analyzed the current conditions and problems existed in chemical teaching in our college, gave advice on how to strengthen curriculum construction of chemistry, put forward the corresponding countermeasures according to the current situations of Tibet.

论述了开设化学课的重要性，针对西藏的实际，对培养具有高素质人才建设的战略性任务及目前我院化学教学的现状进行了分析，并对教学过程中存在的问题进行了探讨，提出了加强我院化学课程建设的建议，立足于时代的发展，依据当前西藏的新要求，结合西藏实际，提出相应的建设对策。

Based on the basic theories of high-molecular physics and chemistry, colloid and surface chemistry, and from a microcosmic point of view, this ps- per provides a deep research on the major factors that affect color losing of offset ink such as ink dispersion, viscosity, desiccate and adhesiveness. The author hopes to provide theoretica1 basis for solving the prob1em of color los- ing.

本文根据高分子物理化学、胶体与表面化学等理论知识，从微观角度深入分析了影响胶印油墨掉色的主要因素，如油墨的分散、粘性、干燥、粘附性等性能，从而为解决掉色问题提供理论依据。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。