查询词典 solvent

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。

Results The results showed that the optimal extracting technique of total alkaloids from Flos Datura was that 80 percent sulf-alcohol,and pH of sulf-water was 3,and the extracting time was 3,and the volume of solvent was 4 times as much as the amount of crude drug.

结果 洋金花总生物碱的最佳提取工艺为，使用80％的酸水乙醇，酸水pH值为3，提取3次，使用相当于药材量4倍的溶剂量。

In the vacuum dispersing kettle air bubble and solvent vitalization shall be restrained, deaeration of materials shall be accelerated, dispersion efficiency shall be enhanced.

物料在真空容器内分散，减少了气泡和溶剂的挥发，加速了物料脱泡，提高了分散细度。

Sodium citrate; calcium carbonate; calcium hydroxide; potassium bicorbonate; magnesium carbonate; ferrous sulphate; Zinc sulphate; copper sulphate; manganese sulphate; potassium iodide; sodium selenite.

柠檬酸钠；碳酸钙；氢氧化钙；碳酸氢钾；碳酸镁；硫酸亚铁；硫酸锌；硫酸铜；硫酸锰；碘化钾；亚硒酸钠。

All this to say that I'm glad filmmaking hasn't become completely ironic. I can enjoy an ironic film as much as the next person, but they usually involve a message of some sort. One that's delivered in a smirkingly clever way that requires little in the way of talent.

所有这些都是说，我很高兴电影制作没有变成完全讽刺艺术，我可以和下一个人一样享受讽刺电影的乐趣，虽然他们经常会被划归到一定级别，技术方面不需要很高的才能。