查询词典 chemistry

The potential superiority of indium trihalide in organic synthesis will promote the development of "Green Chemistry".

三卤化铟在有机合成中潜在的优势将推动"绿色化学"的发展。

It has no reaction to chemistry of the body, 100% silicone toys are completely inert.

它没有到身体的化学反应，100％硅胶玩具是完全惰性。

Environmental issue has caused widely public concern. In this thesis, the mechanism of calcite cluster structure absorbing environmental infectant has been investigated using quantum chemistry calculation. Using B3LYP calculation method and taking 6-311++G (3df,2pd) basis set in our Gaussian calculations, the results show that the calcite cluster structure can absorb environmental infectant.

在本次研究中，采用了量子化学计算中的B3LYP方法以及6-311++G(3df，2pd)基组进行理论计算，其结果能很好的反映方解石表面分子簇结构吸附环境污染物的情况，为阐明方解石表面分子簇结构吸附环境污染物的机理提供了理论基础。

On this basis, I attempt to infiltrate in chemistry teaching the spirit of the humanities teaching practice.

在此基础上尝试开展了在化学教学中渗透人文精神的教学实践。

The first part is the author"s special viewpoint about the thinking ability, such as the meaning, the essence, the classification and the operating process. The second part describes the relations between developing thinking ability and the urgent needs of country, society and individual development from five aspects. The third part is about the connection and differences of thinking ability, intelligence, ability, creativity and the constructivism theory. The forth part analyses the teachers" nine injudicious actions that will influence the students" thinking ability. The fifth part discusses the students" seven bad learning behaviors that will cause the degradation of thinking ability. The sixth part is about the unsuitable policies or actions adopted by school, society or family that will cause the degradation of the students" thinking ability. The seventh part discusses the countermeasures that can maintain and develop the students" thinking ability. The eighth part brings forward twelve countermeasures that can exercise the student"s thinking ability in chemistry teaching. The last part gives a brief account of the task.The author expects that this article can enhance the coteries" attention to the students thinking ability.

本文共分九个部分，第一部分对思考力的含义及其本质、分类和运行过程提出了作者的观点；第二部分从五个方面阐述培养思考力与国家、社会、个人发展的迫切需要之间的关系；第三部分简要叙述了思考力、智力、能力、创造力与建构主义理论之间的联系和区别；第四部分分析了教师的九种不当行为对学生思考力水平的影响；第五部分分析了学生的七种不良学习行为导致思考力下降的因素；第六部分叙述了学校、社会和家庭的不当政策或行为导致学生思考力水平下降的原因；第七部分着重从八个方面阐述了保持和发展学生思考力的对策；第八部分提出了在化学教学中训练学生思考力的十二种对策；最后在结束语中对本课题主要观点进行了概述，以期望引起教育界同仁对学生思考力培养的重视。

The definition of green technology is discussed and the representative water treatment technology is valued on the basis of green chemistry. It is believed that green technology can be defined as technology that can meet three basic requirements of advanced technical economy norms, innocuity, no environment pollution synchronously.

摘 要：探讨了绿色技术的定义并对有代表性的水处理技术进行了评价，认为绿色技术应当定义为能够同时满足技术经济指标先进、无毒和不污染环境等3项基本要求的技术。

The preparation technology of sludge adsorbent using sludge from sewage treatment plant by microwave-induced pyrolysis was investigated. Sludge was treated innocuously and beneficially through microwave chemistry technology.

本文采用微波化学技术，对微波诱导热解污水处理厂污泥制备吸附剂的方法进行了系统研究，实现了污泥的无害化和资源化处理。

These may be in a specific chemical area outside inorganic chemistry or in another department, or in a combination of areas or departments.

这些可能是在特定的化学领域以外无机化学或在另一处，或相结合的领域或部门。

It provides a wide range of basal theory of inorganic chemistry,character of elements and their compounds and inorganic chemical reactions.

本课程系统讲授无机化学基本理论、元素及其化合物的性质、基本无机化学反应等。

In the field of inorganic chemistry, his chemical nomenclature was highly influential, especially in binary and complex compounds.

20世纪中文化学名词发展过程中，郑贞文是贡献最多的其中一位，在无机化学命名方面，影响最深远。

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