查询词典 chemistry

Many industrial multi-versities and specialist colleges have been established, strengthening some incomplete subjects and establishing new specialties, e.g., automation, atomic energy, energy resources, oceanography, nuclear physics, computer science, polymer chemistry, polymer physics, radiochemistry, physical chemistry and biophysics.

新建了一批多科性工业大学和多种专门学院，充实和组建了一些缺门学科和新的专业，如理工方面的自动化、原子能、能源、海洋、核物理、电子计算机、高分子化学与高分子物理、放射化学、物理化学和生物物理等。

Be in and buy with come off respect, PPG already will in former days build up and for the 2nd big advocate the vitreous business of course of study comes off, absorption razzia chemistry of family name of contented of paint market; already started tycoons of pair of another big chemical industry Luomenhasi of 18.8 billion dollar buy a plan, and this will be the brushstroke with the greatest throughout history of chemistry of contented family name is bought case, should buy at present case already acquired partner of Luo Men Ha Si people agree, accepting examine and verify in European Union committee.

在并购与剥离方面，PPG已将昔日起家且为第二大主业的玻璃业务剥离，并专心攻占油漆市场；陶氏化学已启动了对另一大化工巨头罗门哈斯188亿美元的并购计划，而这将是陶氏化学有史以来最大的一笔并购案，目前该并购案已获得罗门哈斯股东们的同意，并正在欧盟委员会接受审核。

Commencing from the teaching of common chemistry concept, this topic investigated the function of self-explaining in the teaching of chemistry concept, focusing on exploring whether there exists certain correlation between the level of the students" self-explanation and their academic performances, then tested the variety circumstance of level of students" self-explanation and academic performances after carrying out some training on self-explanation capability. Meanwhile, analyses were made on the exaltation degree to which ths students could improve their academic performances after being trained.

本课题从平常的化学概念的教学入手，探索自我解释(self-explaining)在化学概念的教学中的作用，着重探索了自我解释水平与学生学科成绩间是否存在一定的相关性，进而在通过实施一些自我解释能力的训练后测试学生自我解释水平和学科成绩的变化情况，同时对不同学生经过自我解释能力的训练后的学科成绩的提高程度作了分析。

It is necessary to show the development and new knowledges of Organic Chemistry, the function of chemistry in human society and bioscience. The column of Related essay provides such materials so as to help students abandon out-of-date knowledges and offer them modern ones which advance with time.

在有机化学课程中适当反映化学发展的动态、与化学前沿科学相关的化学知识、化学科学在人类社会发展及生命科学中的作用等内容，这不仅是摒弃化学旧知识、呈现化学新知识，使新的化学课程内容富有时代气息的需要，也是体现科学大综合、学科大交叉的科学发展趋势的需要。

The method combines environmental chemistry, analytical chemistry, mathematics, statistics and computer science to study speciation.

该方法结合环境化学、分析化学、数学、统计学和计算机科学等知识交叉研究形态分布。

The stereochemistry and reaction mechanism of the reduction with NADH mimics have been of great interest in the field of physical organic chemistry and biological chemistry.

手性辅酶NADH模型物还原反应机理研究，一直是物理有机化学和生物化学中令人感兴趣的课题。

Laser Raman spectral technique is an important section in modern laser spectral techniques. Laser Raman spectrum plays an important role on the aspects of analyzing molecular structure, symmetry properties of crystal, investigating solid structure phase-variation and the structure of IR spectrum of molecule. In recent years,it has been extensively applied in many research fields such as organic and inorganic analytical chemistry, biochemistry, petrochemical industry, macromolecule chemistry ,etc.

激光喇曼光谱技术是现代激光光谱技术中的一个重要组成部分，激光喇曼光谱对于确定分子结构和晶体的对称性、研究各种固体结构相变及红外光谱结构分析等方面具有重要作用，近些年来已经广泛地应用于有机和无机分析化学、生物化学、石油化工、高分子化学等领域。

Key Laboratory of Computer Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences.Shanghai(200032)Abstract : The most usual problems encountered in the structure handling are tautomerism, alternating and aromatic systems. Though a number of methods have been reported in the literature, a common disadvantage is that only the convenience for processing were taken into account, but their chemical sense was rarely considered.

化学结构计算机处理中最常遇到的困难是互变现象、交替键和芳香键的处理，尽管解决这些问题的方法早有报道，但它们都有仅考虑计算机处理的方便，而很少注意其化学应用的不足。

The other important work in this thesis is adding stratospheric chemistry reactions in regional chemistry model RADM in order to study STE effects on ozone near the tropopause.

本文的另外一个重要工作是，在区域酸沉降模式RADM中加入平流层化学模块，以研究STE对对流层顶附近臭氧浓度的影响。

From view of wood construction effecting, the article analyzes affecting factors of wood main micro-constructions such as tylosis and bored pits in processing of wood chemistry soaking with fire retardants, the article also analyzes existing condition of moisture in wood and relationship between moisture moving in wood and wood chemistry soaking technology treated with fire retardants.

从木材构造对化学阻燃浸渍处理工艺影响的角度，指出在木材化学阻燃浸渍处理过程中，影响阻燃剂在木材中渗透性的木材主要微观构造有浸提物、纹孔等，分析了木材中水分的存在状态和木材中水分的移动与木材化学阻燃浸渍处理工艺的关系。

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。