查询词典 ionic structure

The Beckmann rearrangement of cyclohexanone oxime was effectively realized to prepare e-caprolactam by using phosphorous trichloride (PCl3) as catalyst in a two-phase system composed of 1-n-butyl-3- methylimidazolium tetrafluoroborate ([BF4]) ionic liquids and toluene.

在1丁基3甲基咪唑四氟硼酸盐([BF4])与甲苯组成的两相体系中，以三氯化磷(PCl3)为催化剂，实现了由环己酮肟制备己内酰胺的液相贝克曼重排反应，两相体系有利于反应控制和体系取热。

The feasibility of electrocarboxylation of benzyl chloride has been investigated at silver cathode in CO2-saturated room-temperature ionic liquid 1-butyl-3-methylimidazolium tetrafluoroborate (BMIMBF4) solution for the first time.

在饱和了CO2的室温离子液体中，首次在银电极上研究了苄基氯电羧化的可行性。

AIM To investigate the ionic mechanism of N-methyl berbamine on lowering blood pressure by recording calcium-activated potassium currents in the rat mesenteric resistance vascular smooth muscle cells.

目的研究N-甲基小檗胺对大鼠肠系膜阻力血管平滑肌细胞钙激活钾电流的作用，以阐明其降血压的离子机制。

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。

METHOD: The whole cell recording patch clamp technique was used to investigate the effect of H2O2 (1 mmol/L) on different potassium channel ionic currents of ventricular myocytes of guinea pig.

采用全细胞膜片钳技术，观察了H2O2对豚鼠单个心室肌细胞不同钾通道的影响。

On the basis of the results of laboratory and field experiments the question is discussed on the technology of ionic bead welding, and wear-resistant alloy for valve body and valve cup, and the data of the experiments in oil fields are listed. The results of ...

本文通过室内试验分析和现场试用情况论述了凡尔体和凡尔座堆焊耐磨合金及堆焊工艺方面的问题，并列出了现场的试用数据，结果表明等离子焊的凡尔体和凡尔座的使用寿命有明显提高。

The valve body and valve cup of mud pump are parts that are easily to be worn and broken. In order to increase the life-time of these parts, we studied the technology of increasing the life-time of valve body and valve cup by ionic welding.

泥浆泵的凡尔体和凡尔座是泥浆泵上的易损件，为了提高凡尔体和凡尔座的使用寿命，我们试验研究了用等离子喷焊耐磨合金来提高凡尔体和凡尔座性能的工艺。

Ionic liquid ; Jatropha curcas oil ; biodiesel ; transesterification

离子液体；麻疯油；生物柴油；酯交换

For some reasons, diaphragm process is still used in our country while ionic membrane process is widely used in advanced countries.

尽管发达国家已经普遍采用离子膜法生产烧碱，但在我国隔膜碱仍占主导地位。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样