Objective To study the catalytic activity of ceric sulfate in the synthesis of butyl acetate.

Aim To discern the false from the genuine of Dexamethasone Acetate Tablets.

目的分析醋酸地塞米松片伪品的质量状况.

The Benzyl acetate was prepared from benzyl chloride and sodium acetate by phase transfer catalysis.

实验以氯化苄、醋酸钠为原料,研究了在相转移催化剂的存在下,一步反应制得乙酸苄酯的合成工艺.

Propylene glycol monoether acetate was synthesized using heteropoly acid as catalyst for the first time.

首次以杂多酸为催化剂采用酯化法合成丙二醇单乙醚乙酸酯.

The kinetics of mierosuspension polymerization reaction of vinyl acetate was investigated.

采用微悬浮法合成聚醋酸乙烯酯,对其聚合反应的动力学进行了研究.

Certain plastic materials, as cellulose acetate , which is used for photographic film, are called thermoplastic materials.

有些塑胶材料, 像照相胶卷上用做醋酸纤维素, 叫做热塑料材料.

Solvents of dissolution PS plastic foam are mix solvents of dimethylbenzene, ethyl acetate and butyl alcohol.

结果表明:溶解聚苯乙烯的理想溶剂为二甲苯 、 酸乙酯和正丁醇的混合溶剂.

Polyvinyl acetate is frequently modified by copolymerization.

共聚改性是聚醋酸乙烯酯常用的改性方法.

Reaction mechanism was studied and reaction principles to polymerize vinyl acetate were also introduced briefly.

对醋酸乙烯聚合反应原理作了简介.

Result showed that the yield propyl acetate reached 89.6 %.

结果表明,在最佳反应条件下,酯收率达89.6%.

Cellulose Acetate The first commercial membranes for reverse osmosis and ultrafiltration were made from cellulose acetate.

纤维素醋酸酯第一个商业用反渗透膜和超滤膜是由纤维素醋酸酯制成.

OBJECTIVE : To study pharmacological effects of bornyl acetate, the main ingredient of Amomum villosum volatile oil.

目的: 研究砂仁挥发油主要成分乙酸龙脑酯的药理作用.

The ethyl acetate is synthesized in reaction distillation column with acid natural zeolite as catalyst.

以酸性天然沸石为催化剂,在催化反应精馏塔中进行了合成乙酸乙酯的研究.

To develop a specific method to detect the Prednisone Acetate mixed into drug.

建立检测制剂中非法掺入的醋酸泼尼松专属性方法.

In this paper, air oxidation synthesis of copper acetate has been studied.

介绍了在空气氧作用下,由铜屑和醋酸直接反应生产醋酸铜的方法.

The reverse of Reaction 11 for acetate may be combined with the electron acceptor reactions.

对于醋酸盐、反应11的逆反应可以与电子接受体反应组合在一起.

OBJECTIVE Adopting preparation technology improves the extraneous dissolving rate of Acetazolamide solide dispersion tablets.

目的采用制剂技术提高乙酰唑胺固体分散片的体外溶出速率.

Methods Nursing methods of using acetazolamide in brain perfusion SPECT were drawn up and practiced.

方法制定和实施乙酰唑胺负荷脑血流灌注显像的护理措施.

Objective To study the value of MR perfusion-weighted imaging acetazolamide ( ACZ ) in evaluating the cerebrovascular capacity.

目的探讨乙酰唑胺 ( ACZ ) 负荷MR灌注成像对评估脑血管储备功能的价值.

After acetazolamide stress test , rCBF of the hypoperfusion regions in baseline step were significantly increased ( P 0.05 ).

服用乙酰唑胺后, 原脑内低灌注区部位的rCBF均明显增高 ( P0.05 ).

ObjectiveTo discuss the effects of acetazolamide on mouse antianoxia and swimming performance.

目的探讨乙酰唑胺对小鼠缺氧耐受和游泳耐力的影响.