查询词典 chemistry

The spectral theory of graph is not only an important area in graph theory but also an active topic. There are extensive applications in the fields of quantum chemistry, physics, computer science, communication network and information science.

近半个世纪以来，谱图论形成发展成为图论研究的重要领域之一，也是一个非常活跃的研究方向，它在量子化、物理、计算机科学、通信网络及信息科学中均有广泛的应用。

Methods:Argentum was used as antibacterial agent to prepare the argentation medical polypropylene mesh with chemistry liquid phase the meshes with Rochelle salt as reducing agent.

目的：制备镀银的医用聚丙烯网片，并检测其抗菌性和力学性能。

The main heat-proof and temperature-preserving covers are Silurian and Ordovician argillite of Gaozaitian Formation and Meitan Formation.The main thermal reservoir layer is Cambrian carbonate rock of Loushanguan Group.The aquatic chemistry of the hot ground water and drilling data indicate that the reservoir depth ranges from 1300 to 2500m and the geothermal gradient from 2.44 to 2.84℃/100 m. It is pointed out that there may exist another geothermal field in the plunging part of the east limb of Wudang Anticline.Some suggestions are made about the development and protection of the geothermal field.

其主要隔热保温盖层为志留系高寨田群(S1g)和奥陶系湄潭组(01m)泥页岩，主要热储层为寒武娄山关群(∈2-3ls)碳酸盐岩，根据地下热水水质化学成份特征及钻探资料，其深度为1300-2500 m，地温梯度2.44-2.84℃/100 m；指出乌当背斜东翼倾伏端有另一地热田存在可能性；以及对地热田研究开发、保护的意见。

Argonaut's new process chemistry system will be designed to deliver a fully automated process development solution with each participating company receiving one or more of the development tools at the end of the collaboration.

加入这个Pfizer和ICI.Argonaut新工艺化学系统，在合作结束后，可以为多家所属公司设计出完全自动化的工艺开发解决方案和一件或多见开发工具。

However, combinatorial chemistry has matured over the years and has found its place in the armamentarium of drug hunters.

但是，组合化学经这几年已经逐步成熟，在药物发现设备领域建立了一席之地。

About how to arouse the enthusiasm of student"s chemistry learning, to enhance the students" ability of solving problems and to improve learning efficiency needs to be worth studying further.

如何通过完成化学习题调动学生化学学习的积极性、培养学生解决问题的能力、提高学生学习的效率等课题还有待进一步研究。

Typical of the dopant chemistry is the reaction for arsine, which is depicted with the deposition process in Fig.

砷化三氢的反应是典型的掺杂化学反应，图9显示了该反应的淀积过程。

Discussing the importance of knowledge in the present world, such as the knowledge of "light" adjustment in the new media art 'Light art and Artificial lights exhibition' in ZKM, combining the usage of physics/chemistry/mechanics/computers in a multi-facet representation.

讨论知识在今日世界的重要性，如新媒体艺术中'光'的展览所呈现的对光的认识，从多个角度解释物理／化学／机械／电脑的综合作用。

After that, the Joliot- Curie couple drew a lesson and through the experiment they found the artificial radioactivity and achieved the Nobel Prize of chemistry.

此后，约里奥-居里夫妇吸取了教训，经过实验最终发现了人工放射性现象，由此获得诺贝尔化学奖。

The upside in the coping of reative cell and flank sets aspersion shower nozzle, time, aspersion of surface of grey grain of mensurable Xiang Shi, make the surface of limestone covers film of a thin water, when flue gas has spread every reative cell, the SO2 in flue gas and the limestone grain that covering water film undertake osculatory, in entering water film through diffusing, with limestone happening chemistry reacts, 80% above are the by-product that reaction produces gesso crystal.

反应室的顶部和侧面中上部设有洒水喷头，定时，定量向石灰颗粒表面洒水，使石灰石的表面覆盖一层薄水膜，当烟气流过每个反应室时，烟气中的SO2和覆盖着水膜的石灰石颗粒进行接触，通过扩散进入水膜中和石灰石发生化学反应，反应产生的副产物80%以上为石膏晶体。

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