液体的

In the part two, we reported the classical Knoevenagel condensation between aromatic aldehydes and acyclic active methylene compounds or cyclic active methylene compounds containing heteroatom such as (2-thio)barbituric acid, Meldrum's acid using ionic liquids as reaction medium.

在第二部分中我们研究了离子液体中开链活性亚甲基化合物、杂环类活性亚甲基化合物如(2-硫代)巴比妥酸、Meldrum's酸与芳香醛之间的Knoevenagel缩合反应。

Often referred to by the phenol or its homologue, and the role of formaldehyde derived liquid or solid products.

通常指由苯酚或其同系物和甲醛作用而得的液体或固体产品。

We provide engineered equipment and systems for gas/liquid separation and contact, including cooling and humidification.

我们提供用于进行气体/液体分离及接触的工程设备及系统，包括冷却和湿化。

As aerospace liquid rocket fuel,hydrazine is widely used.

肼类化合物是一种广泛应用于航天领域的液体火箭燃料。

The invention relates to an application method of hydrogen sulfate imidazole ion fluid in copper electrolysis refining.

本发明是硫酸氢咪唑离子液体在铜电解精炼中的应用。

Further treatment of the Ru nanoparticles with chiral modifier (1S, 2S)-1, 2-diphenyl-1, 2-ethylene-diamirse (1S, 2S-DPEN and KOH in ionic liquid/i-PrOH mixed solvent resulted in a novel immobilized chiral catalyst which can asymmetrically hydrogenate acetophenone and its derivatives.

将此钌纳米粒子与(1S， 2S)-1，2-二苯基乙二胺（简称(1S， 2S)-DPEN）、KOH在离子液体／异丙醇介质中原位生成一种不对称加氢催化剂，用于催化苯乙酮及其衍生物的不对称加氢反应。

Based on the analysing of gating system and the sources of slag and the experiments on hydrokinetics of meltal with hydroen bubbles,it is believed that the most important function of filter in gating system are t cleaning of melt metal and the changing of characteristics of the liquid metal flow.

对浇注系统、夹杂产生物来源及金属液体流态进行分析，氢气泡流体动力学实验表明，在浇注系统中过滤器的主要功能是对液态金属产生"整流"净化作用。

The paper has analyzed and introduced the theory and application of liquid-solid separation in zinc hydrometallurgy from all sides.

从理论上详细分析了液固分离中液体、固体、矿浆等的性质。

Check your specific gravity by putting the sanitized hydrometer right in the container.

在容器中通过投入消毒的液体比重计检查比重。

When using a specific gravity hydrometer, the measurement should be between 1.0255 and 1.0400 at 25°C (77°F).

使用液体比重计时，25°C (77°F)时的测量值应介于1.0255 到1.0400 之间。

John Robbins lives with his family in Santa Cruz, California.

约翰罗宾和家人居住在加利福尼亚州的圣克鲁斯县。

The international background is mainly the economic ties among different nations tented to be widen and deepen at the peace and development times.

国际背景主要是和平与发展时代条件下的世界各国经济贸易联系的日益加深。