查询词典 solvent

Acetone is mainly used as solvent, and for production of acetone cyanohydrin, MMA and bisphenol A secondly.

丙酮主要用做溶剂，其次是生产丙酮氰醇、MMA和双酚A.2004年我国丙酮的产能为30.1万t/a，主要生产厂家有上海高桥石化、燕山石化、吉林化学工业公司和哈尔滨华宇股份有限公司。

In 2004,the global production capacity of acetone was 5 179 kt,it was mainly used as solvent,or to produce bisphenol A and acetone cyanohydrin .

2004年全球丙酮产能为517.9万t，主要用途是作为溶剂生产双酚A和丙酮氰醇，预计2006年将出现过剩的局面；2004年我国丙酮产能为31.3万t，进口量为25.43万t，预计2007年国内需求量将达到60万~70万t，近几年生产无法满足市场需求，但未来市场不容乐观。

Acetone is mainly used as solvent, and for production of acetone cyanohydrin, MMA and bisphenol A secondly. In 2004 the capacity of acetone in China was 301kt/a. The main producers of acetone in China are Shanghai Gaoqiao Petrochemical Corporation, Beijing Yanshan Chemical Corporation, Jilin Chemical Industry Corporation and Harbin Huayu Co., Ltd.

丙酮主要用做溶剂，其次是生产丙酮氰醇、MMA和双酚A.2004年我国丙酮的产能为30.1 万t/a，主要生产厂家有上海高桥石化、燕山石化、吉林化学工业公司和哈尔滨华宇股份有限公司。

In this paper, melamine phosphate and melamine cyanurate were prepared in solvent. The effect of reaction temperature, time, and material ratio on each reaction was discussed.

本文采用溶剂法分别合成了高质量的磷酸三聚氰胺及氰尿酸三聚氰胺，考察了不同的反应温度、时间、投料摩尔比等对各自反应的影响。

Discussion of the solvent effect on oxidative free radical cyclization reaction of hemiacetal compounds 96 and 97

最后，研究半缩醛化合物96、97进行自由基反应之溶剂效应。

The influences of solvent, reaction temperature, and time on the conversion of cyclohexane were examined.

以环己烷氧化为探针反应，考察了上述负载催化材料的催化性能并分析了不同金属离子或取代基对催化剂活性及选择性的影响。

The catalytic oxidation of cyclohexane to cyclohexanone and cyclohexanol in air as probe reaction was performed without any organic solvent or cocatalyst, and the influences of the amount of metal porphyrin, reaction pressure, reaction temperature and reaction time on the catalytic activity were investigated.

以空气氧化环己烷制备环己酮和环己醇为探针反应，在不加入任何有机溶剂或助催化剂的条件下考察了金属卟啉用量、反应压力、温度、时间等对其催化活性的影响。

Cyclohexanol,mainly used for adipic acid and caprolactam production,is the indispensably semifinished product of polyacidamides,and is widely used as solvent for many polymers.

环己醇主要用于生产己二酸和己内酰胺，是聚酰胺类产品不可缺少的中间产品，并且被广泛地用作许多高分子聚合物的溶剂。

Cyclohexanone is a very important organic chemical intermediate and widely used in the production ofε-caprolactam,adipic acid and solvent.

本文介绍了环己酮的传统和最新生产方法；环己酮的十种下游产品的用途和生产方法。

In cyclohexanone/acetone mixed solvent, the initial SPS concentration is high.

在非良溶剂体系，可乳化的最大初始浓度比良溶剂体系的高。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。