查询词典 chemical

This requirement may be satisfied by the submission of information such as the following: name (generic name, chemical name, code number); Chemical Abstracts Service number if available; description (e.g., appearance, color, physical state); molecular formula and molecular weight; structural formula (including ionic state if applicable); stereochemistry identifying chiral centers, cis-trans isomerism, etc.

该要求可以通过提供下述信息来满足：名称（通用名、化学名、编码等）、化学摘要服务编码、性状描述（如：外观、颜色、物理状态）、分子式和分子重量、结构式、立体化学（找出手性中心、顺式反式异性等）、对映结构体比率（如：外消旋物、规定的异构体、对映异构物和固态形式的混合物）、溶解度概况、分配系数、溶液 pH 值、解离常数、熔点或沸点、折射率、比重。

This requirement may be satisfied by the submission of information such as the following: name (generic name, chemical name, code number ); Chemical Abstracts Service number if available; description (e.g., appearance, color, physical state ); molecular formula and molecular weight; structural formula (including ionic state if applicable ); stereochemistry identifying chiral centers, cis-trans isomerism, etc.

有的话、描述（如：外观、颜色、物理状态）、分子式和分子重量、结构式、立体化学（找出手性中心、顺式贯穿异性等）、对映结构体或固态形式比率（如：外消旋物、规定的异构体、对映异构物和固态形式的混合物）、溶解性档案、分隔系数、溶液pH值、解离常数、熔点和沸点、拆射率、精确重力。

China is the biggest coal chemical producer in the world, with coal chemical products diversified in variety and big production scale.

中国是世界上最大的煤化工生产国，煤化工产品种类多、生产规模较大。

Through chemical mimicry that has evolved through specific focus on one host, the cuckoo wasp has synthesised a chemical cloak that conceals all signs of her presence on the beewolf's turf.

通过化学模仿已通过具体的重点发展在一台主机，杜鹃蜂合成的化学物质外衣，但所有迹象掩盖她对beewolf的草皮存在。

Peixian provincial-level development zones for economic development zone, the region has a new aluminum Industrial Park, Salt Chemical Industry Park, coal chemical industrial park, export-oriented agro-processing park, a modern manufacturing industrial park, the most investment value of the Yangtze River Delta selected the most Investment potential development zones.

沛县经济开发区为省级开发区，区内有新型铝材产业园、盐化工产业园、煤化工产业园、外向型农产品加工园、现代制造业产业园，入选长三角最具投资价值最具投资潜力开发区。

It plays an important part in petroleum chemical safe production invent and engineering applications, and has advantage in the machine design of oil drill extraction, spin engine and chemical process mechanism.

在石油石化机械产品开发、工程应用等方面发挥着重要作用，已在石油钻采机械设计、旋流机械、化工过程机械方面形成优势。

The company plans to become the basis of 2-3 years, chemical raw materials and raw materials production base of dye intermediate, 5 years to become sulfur chemical industry enterprises.

公司计划2-3年内成为基础化工原料和染料中间体原材料生产基地，5年内成为硫化工行业龙头企业。

According to chemical reaction in forming elastic grinding material this paper analyzes and discusses chemical balance in controlling the reaction and proposes prescription testing method and technology process in forming material.

基于弹性磨具材料生成过程的化学反应，分析讨论了控制反应过程的化学平衡问题，根据实验提出了弹性磨具材料配方试验的基本方法和生产工艺过程。

Others believe that her scent is an air-borne chemical emission. This latter theory is supported by the fact that the female is not very active during this time and males come to her from all directions. Males have also been observed flicking the air to pick up the chemical presence.

有些科学家相信雌性留下了生化激素来吸引雄性，另外一些则认为雌性气味的化学成分是靠空气传播的，这一理论的有利证据就是雌性在发情期并不主动而雄性从四面八方赶来这一事实。

In connection with the study of chemical abundances, it is interesting to speculate on the chemical composition of the solar system at its formation.

同研究化学丰富度有关的一个有趣的问题，是推测太阳系在形成时的化学组成。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。