乙酸的

The preparation of anisaldehyde by ozonolysis reaction from anethole was studied.

以茴香脑为原料,酸和环己烷混物做溶剂,臭氧法制备茴香醛。

The synthetic method of trichloromethyl-benzyl-alcohol and trichlorometyl-benzyl-alcohol-acetate were reviewed, and the application of rosone were introduced.

讨论了三氯甲基苄醇和三氯甲基苄醇酸酯成方法,介绍了结晶玫瑰应用。

The hexadecanol bischloroacetate was synthesized fastly with the technique of microwave irradiation with the anhydrous cupric sulfate as catalyst.

研究了在无水硫酸铜催下,利用微波辐射技术快速成氯酸十六酯方法及影响反应收率因素。

The stability,decomposition and generation of the acetic acid halid and other organic halide in the treated water is briefly discussed.

简述了成酸和其它有机物稳定性及分解、成等问题.

The synthesis of epalrestat,an aldose reductase inhibitor, was improved. The yield of its intermediate 3-carboxymethyl rhodanine was raised to 76.4%.

对醛搪还原酶抑制剂依帕司成工艺作了改进，使中间体绕丹宁酸收率提高到76．4％。

A new method of gas chromatographic analyses in the production of chloroacetic acid for process control using diazomethane as esterification agent is studied.

以重氮甲烷为酯剂，用气相色谱法对氯酸产中控分析进行了研究。

The present situation of terpinyl acetate synthesis has been reviewed.One-step and two-steps process for the synthesis of terpinyl acetate and relevant reaction mechanism are discussed.

综述了酸松油酯成研究现状,讨论了一步法和两步法成工艺及相应反应机理。

When the complex of anhydrous zinc acetate with 1,5-naphthalene diamine was formed, the anhydrous zinc acetate changed from a bidentate ligand to a unidentate ligand.

在无水酸锌与1,5-萘二胺形成配位络物过程中，无水酸锌结构从双齿型转变成单齿型。

Keto-enol tautomerizing of ethyl acetoacetate was studied by UV.It was conformed that the content of enol ethyl acetoacetate decreased with the increasing polarity of solvents.

本文以紫外光谱为手段研究酰酸酯酮-烯醇式互变异构现象;所得结果证实其烯醇式含量随溶剂极性增加而减少。

Using sodium hydrosulphide or sodium thiosulfate as materials,the production cost of TGA is low.While,a high content of TGA can be obtained with thiourea as reactant.

本文对巯基酸成工艺进行了比较研究,认为硫氢钠法和硫代硫酸钠法产成本低,适宜于选矿用巯基酸产,而硫脲法可得到较高浓度巯基酸。

The content of free acetic acid in cigarette smoke condensates was determined by GC-MS with isopropyl alcohol as the solvent and nonanol as the internal standard.

以异丙醇为溶剂,壬醇为内标,采用气相色谱-质谱法分析了卷烟烟气总粒相物中游离酸,酸测定结果相对标准偏差小于1%,平均回收率为99。

Results indicate that both of barium thioglycolate and barium-natrium thioglycolate can increase the thermal stability of PVC system, and the thermal stability of barium thioglycolate is better.

巯基酸钡和巯基酸钡-钠都能提高PVC热稳定性,但巯基酸钡稳定性要好于巯基酸钡-钠。

Methyl thioacetate was prepared by using acetyl chloride and methyl mercaptan as starting raw material in this paper.The yield of product is 69.3%.Itcan be used in seasoning flavor.

对可用于各种调味香精食用香料硫代酸甲酯成进行了初步研究，产率达到693％，对所成产品做了红外光谱分析和质子核磁共振分析，确定了其学结构。