乙酸的

The method is characterized in that the acid solution of one of hydrochloric acid, sulfuric acid, nitric acid, phosphoric acid and hydriodic acid is divided into two portions; aniline monomer and ammonium persulfate are respectively added; then aniline monomer solution and ammonium persulfate solution can be prepared.

一种乙酸松油酯的制备方法，其特征是，将盐酸、硫酸、硝酸、磷酸、氢碘酸中任一种酸溶液分成两等份，并分别加入苯胺单体和过硫酸铵，形成苯胺溶液和过硫酸铵溶液。

This paper studied the synthesis and separation of hydroxyacetic acid.

本文研究了羟基乙酸合成及分离的工艺。

Glycolic acid (Hydroxyacetic acid, 2-hydroxyethanoic acid) is a chemical industry material. It is applied in a lot of fields including organic synthesis, cleanout, plating, spinning, leather and sterilization, etc.

羟基乙酸又称乙醇酸、甘醇酸，是一种重要的有机合成中间体和化工产品，广泛应用于有机合成、清洗、电镀、纺织、皮革、灭菌等行业。

Objective To investigate the effects of nano traditional Chinese medicine on experimental hypofunction of spleen ulcerative colitis rat model.

目的 研究纳米中药对鼠急性脾虚型溃疡性结肠炎模型的影响方法利用苦寒泻下中药番泻叶，灌服大鼠，使其产生脾虚症状，再用冰乙酸化学刺激法复制溃疡性结肠炎病理模型。

To water insolvable substances their adsorption capacities are more and more increased from ethanol, ethyl acetate and hexane sequentially. But the capacity is highest from water, which is attributed to the predominant hydrophobic interaction.

对难溶于水的物质，氢键吸附在乙醇、乙酸乙脂和正己烷中依次提高。

The effects of catalyst synthesis and esterification reaction conditions on the yield of the isoamyl acetate were investigated.

将该催化剂用于醇酸反应制备乙酸异戊酯，考察了反应条件对酯化率的影响。

A method for synthesis of isobutyl acetate based on paratoluenesulfonic acid as catalyst was developed.

以冰醋酸、异丁醇为原料，对甲苯磺酸为催化剂合成乙酸异丁酯，通过正交实验考察了原料比、催化剂用量、带水剂用量和反应时间等因素对反应的影响。

Results There were about 15 kinds of chemical poisons including vinyl chloride,polyvinyl alcohol,isoparaffin,polyvinylacetate,sodium hydrate,ammonia,acid hydroc,methanol,diesel oil,carbon monoxide,carbon dioxide,sulfur dioxide,nitrogen oxides,ozo...

结果在聚氯乙烯的生产过程中，作业场所存在化学毒物较多，主要包括氯乙烯、聚氯乙烯、聚乙烯醇、过氧化物、异链烷烃类、聚乙烯乙酸酯、氢氧化钠、氨、盐酸、甲醇、柴油、一氧化碳、二氧化碳、二氧化硫、氮氧化物、臭氧、二氧化锰等。

By using cadmium acetate as catalyst, polyitaconic anhydride was prepared through ring opening polymerization of itaconic anhydride.

以衣康酸为原料合成了衣康酸酐，并在乙酸镉的催化作用下通过开环聚合得到了聚衣康酸酐。

Effects of NAA and PP333 on Floral Bud Formation and Physiological Indices of Jasminum sambac L.

CEPS 思博网--文章书目；-1页数：4 需求点数：16 电子全文：请登入。篇名？乙酸与多效唑？茉莉成花及新梢等生理指？的影？

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。