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乙酯的合成法,介绍了结晶玫瑰的应用。

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

以茴香脑为原料,乙和环己烷的混合物做溶剂,臭氧化法制备茴香醛。

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他的合成工艺作了改进，使中间体绕丹宁乙的收率提高到76．4％。

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

研究了在无铜的催化下,利用微波辐射技术快速合成氯乙十六酯的法及影响反应收率的因素。

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

简述了生成的化乙和其它有化物的稳定性及分解、生成等问题.

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

以重氮甲烷为酯化剂，用气相色谱法对氯乙生产的中控分析进行了研究。

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.

本文对巯基乙的合成工艺进行了比较研究,认为氢化钠法和代钠法生产成本低,适宜于选矿用巯基乙的生产,而脲法可得到较高浓度的巯基乙。

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.

在无乙锌与1,5-萘二胺形成配位络合物的过程中，无乙锌的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乙酰乙乙酯的酮-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的增加而减少。

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.

综述了乙松油酯的合成研究现状,讨论了一步法和两步法合成工艺及相应的反应理。

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的游离乙,乙测定结果的相对标准偏差小于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.

巯基乙钡和巯基乙钡-钠都能提高PVC的热稳定性,但巯基乙钡的稳定性要好于巯基乙钡-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的食用香料代乙甲酯的合成进行了初步研究，产率达到693％，对所合成的产品做了红外光谱分析和质子核磁共振分析，确定了其化学结构。

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乙酸酯的合成法,介绍了结晶玫瑰的应用。

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

以茴香脑,乙酸和环己烷的混合物做溶剂,臭氧化法制备茴香醛。

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

对醛搪还酶抑制剂依帕司他的合成工艺作了改进，使中间体绕丹宁乙酸的收率提高到76．4％。

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

研究了在无水酸铜的催化下,利用微波辐射技术快速合成氯乙酸十六酯的法及影响反应收率的因素。

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

简述了生成的卤化乙酸和其它有机卤化物的稳定性及分解、生成等问题.

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

以重氮甲烷酯化剂，用气相色谱法对氯乙酸生产的中控分析进行了研究。

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.

本文对巯基乙酸的合成工艺进行了比较研究,氢化钠法和代酸钠法生产成本低,适宜于选矿用巯基乙酸的生产,而脲法可得到较高浓度的巯基乙酸。

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.

在无水乙酸锌与1,5-萘二胺形成配位络合物的过程中，无水乙酸锌的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.

本文以紫外光谱手段研究乙酰乙酸乙酯的酮-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的增加而减少。

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.

综述了乙酸松油酯的合成研究现状,讨论了一步法和两步法合成工艺及相应的反应机理。

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.

以异丙醇溶剂,壬醇内标,采用气相色谱-质谱法分析了卷烟烟气总粒相物中的游离乙酸,乙酸测定结果的相对标准偏差小于1%,平均回收率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.

巯基乙酸钡和巯基乙酸钡-钠都能提高PVC的热稳定性,但巯基乙酸钡的稳定性要好于巯基乙酸钡-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的食用香代乙酸甲酯的合成进行了初步研究，产率达到693％，对所合成的产品做了红外光谱分析和质子核磁共振分析，确定了其化学结构。

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

讨论了三氯甲和三氯甲酸酯的合成法,介绍了结晶玫瑰的应。

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

以茴香脑为原料,酸和环己烷的混合物做溶剂,臭氧化法制备茴香醛。

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他的合成工艺作了改进，使中间体绕丹宁酸的收率提高到76．4％。

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的催化下,利微波辐射技术快速合成氯酸十六酯的法及影响反应收率的因素。

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

简述了生成的卤化酸和其它有机卤化物的稳定性及分解、生成等问题.

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

以重氮甲烷为酯化剂，气相色谱法对氯酸生产的中控分析进行了研究。

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.

本文对酸的合成工艺进行了比较研究,认为硫氢化钠法和硫代硫酸钠法生产成本低,适宜于选矿酸的生产,而硫脲法可得到较高浓度的酸。

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-萘二胺形成配位络合物的过程中，无水酸锌的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的酮-烯式互变异构现象;所得结果证实其烯式含量随溶剂极性的增加而减少。

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.

综述了酸松油酯的合成研究现状,讨论了一步法和两步法合成工艺及相应的反应机理。

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.

以异丙为溶剂,壬为内标,采气相色谱-质谱法分析了卷烟烟气总粒相物中的游离酸,酸测定结果的相对标准偏差小于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.

酸钡和酸钡-钠都能提高PVC的热稳定性,但酸钡的稳定性要好于酸钡-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.

对可于各种调味香精的食香料硫代酸甲酯的合成进行了初步研究，产率达到693％，对所合成的产品做了红外光谱分析和质子核磁共振分析，确定了其化学结构。

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乙酸酯的法,介绍了结晶玫瑰的应用。

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

以茴香脑为原料,乙酸和环己烷的混物做溶剂,臭氧化法制备茴香醛。

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他的艺作了改进，使中间体绕丹宁乙酸的收率提高到76．4％。

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的催化下,利用微波辐射技术快速氯乙酸十六酯的法及影响反应收率的因素。

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

简述了生的卤化乙酸和其它有机卤化物的稳定性及分解、生等问题.

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

以重氮甲烷为酯化剂，用气法对氯乙酸生产的中控分析进行了研究。

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.

本文对巯基乙酸的艺进行了比较研究,认为硫氢化钠法和硫代硫酸钠法生产本低,适宜于选矿用巯基乙酸的生产,而硫脲法可得到较高浓度的巯基乙酸。

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.

在无水乙酸锌与1,5-萘二胺形配位络物的过程中，无水乙酸锌的结构从双齿型转变单齿型。

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.

本文以紫外光为手段研究乙酰乙酸乙酯的酮-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的增加而减少。

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.

综述了乙酸松油酯的研究现状,讨论了一步法和两步法艺及应的反应机理。

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-质法分析了卷烟烟气总粒物中的游离乙酸,乙酸测定结果的对标准偏差小于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.

巯基乙酸钡和巯基乙酸钡-钠都能提高PVC的热稳定性,但巯基乙酸钡的稳定性要好于巯基乙酸钡-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的食用香料硫代乙酸甲酯的进行了初步研究，产率达到693％，对所的产品做了红外光分析和质子核磁共振分析，确定了其化学结构。

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

讨论了基苄醇和基苄醇乙酯合成法,介绍了结晶玫瑰应用。

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

以茴香脑为原料,乙和环己烷混合物做溶剂,臭氧化法制备茴香醛。

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他合成工艺作了改进，使中间体绕丹宁乙收率提高到76．4％。

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

研究了在无水硫铜催化下,利用微波辐射技术快速合成乙十六酯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.

简述了成卤化乙和其它有机卤化物稳定性及分解、成等问题.

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

以重氮烷为酯化剂，用气相色谱法对乙产中控分析进行了研究。

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.

本文对巯基乙合成工艺进行了比较研究,认为硫氢化钠法和硫代硫钠法产成本低,适宜于选矿用巯基乙产,而硫脲法可得到较高浓度巯基乙。

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.

在无水乙锌与1,5-萘二胺形成配位络合物过程中，无水乙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乙酰乙乙酯酮-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。

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.

综述了乙松油酯合成研究现状,讨论了一步法和两步法合成工艺及相应反应机理。

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乙,乙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.

巯基乙钡和巯基乙钡-钠都能提高PVC热稳定性,但巯基乙钡稳定性要好于巯基乙钡-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乙酯合成进行了初步研究，产率达到693％，对所合成产品做了红外光谱分析和质子核磁共振分析，确定了其化学结构。

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酯合成法,介绍了结晶玫瑰应用。

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

以茴香脑为原料,和环己烷混合物做,氧化法制备茴香醛。

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

对醛搪还原酶抑制依帕司他合成工艺作了改进，使中间体绕丹宁收率提高到76．4％。

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

研究了在无水硫铜催化下,利用微波辐射技术快速合成氯十六酯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.

简述了生成卤化和其它有机卤化物稳定性及分解、生成等问题.

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

以重氮甲烷为酯化，用气相色谱法对氯生产中控分析进行了研究。

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.

本文对巯基合成工艺进行了比较研究,认为硫氢化钠法和硫代硫钠法生产成本低,适宜于选矿用巯基生产,而硫脲法可得到较高浓度巯基。

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.

在无水锌与1,5-萘二胺形成配位络合物过程中，无水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酯酮-烯醇式互变异构现象;所得结果证实其烯醇式含量随极性增加而减少。

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.

综述了松油酯合成研究现状,讨论了一步法和两步法合成工艺及相应反应机理。

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,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,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.

巯基钡和巯基钡-钠都能提高PVC热稳定性,但巯基钡稳定性要好于巯基钡-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甲酯合成进行了初步研究，产率达到693％，对所合成产品做了红外光谱分析和质子核磁共振分析，确定了其化学结构。

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乙酸酯的合成法,介绍了结晶玫瑰的应用。

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

以茴香脑为原料,乙酸和环己烷的混合物做溶剂,臭氧化法制备茴香醛。

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他的合成工艺作了改进，使中间体绕丹宁乙酸的收率提高到76．4％。

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的催化下,利用微波辐射技合成氯乙酸十六酯的法及影响反应收率的。

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

述了生成的卤化乙酸和其它有机卤化物的稳定性及分解、生成等问题.

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

以重氮甲烷为酯化剂，用气相色谱法对氯乙酸生产的中控分析进行了研究。

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.

本文对巯基乙酸的合成工艺进行了比较研究,认为硫氢化钠法和硫代硫酸钠法生产成本低,适宜于选矿用巯基乙酸的生产,而硫脲法可得到较高浓度的巯基乙酸。

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.

在无水乙酸锌与1,5-萘二胺形成配位络合物的过程中，无水乙酸锌的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乙酰乙酸乙酯的酮-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的增加而减少。

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.

综述了乙酸松油酯的合成研究现状,讨论了一步法和两步法合成工艺及相应的反应机理。

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的游离乙酸,乙酸测定结果的相对标准偏差小于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.

巯基乙酸钡和巯基乙酸钡-钠都能提高PVC的热稳定性,但巯基乙酸钡的稳定性要好于巯基乙酸钡-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的食用香料硫代乙酸甲酯的合成进行了初步研究，产率达到693％，对所合成的产品做了红外光谱分析和质子核磁共振分析，确定了其化学结构。

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乙酸的合成法,介绍了结晶玫瑰的应用。

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

以茴香脑原料,乙酸和环己的混合物做溶剂,臭氧化法制备茴香醛。

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他的合成工艺作了改，间体绕丹宁乙酸的收率提高到76．4％。

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的催化下,利用微波辐射技术快速合成氯乙酸十六的法及影响反应收率的因素。

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

简述了生成的卤化乙酸和其它有机卤化物的稳定性及分解、生成等问题.

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

以重氮甲化剂，用气相色谱法对氯乙酸生产的控分析行了研究。

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.

本文对巯基乙酸的合成工艺行了比较研究,认硫氢化钠法和硫代硫酸钠法生产成本低,适宜于选矿用巯基乙酸的生产,而硫脲法可得到较高浓度的巯基乙酸。

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.

在无水乙酸锌与1,5-萘二胺形成配位络合物的过程，无水乙酸锌的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.

本文以紫外光谱手段研究乙酰乙酸乙的酮-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的增加而减少。

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.

综述了乙酸松油的合成研究现状,讨论了一步法和两步法合成工艺及相应的反应机理。

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.

以异丙醇溶剂,壬醇内标,采用气相色谱-质谱法分析了卷烟烟气总粒相物的游离乙酸,乙酸测定结果的相对标准偏差小于1%,平均回收率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.

巯基乙酸钡和巯基乙酸钡-钠都能提高PVC的热稳定性,但巯基乙酸钡的稳定性要好于巯基乙酸钡-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的食用香料硫代乙酸甲的合成行了初步研究，产率达到693％，对所合成的产品做了红外光谱分析和质子核磁共振分析，确定了其化学结构。

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乙酸酯法,介绍了结晶玫瑰应用。

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

以茴香脑为原料,乙酸和环己烷混物做溶剂,臭氧化法制备茴香醛。

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他工艺作了改进，使中间体绕丹宁乙酸收提高到76．4％。

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化下,利用微波辐射技术快氯乙酸十六酯法及影响反应收素。

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

简述了生卤化乙酸和其它有机卤化物稳定性及分解、生等问题.

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

以重氮甲烷为酯化剂，用气相色谱法对氯乙酸生产中控分析进行了研究。

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.

本文对巯基乙酸工艺进行了比较研究,认为硫氢化钠法和硫代硫酸钠法生产本低,适宜于选矿用巯基乙酸生产,而硫脲法可得到较高浓度巯基乙酸。

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.

在无水乙酸锌与1,5-萘二胺形配位络物过程中，无水乙酸锌结构从双齿型转变单齿型。

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乙酰乙酸乙酯酮-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。

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.

综述了乙酸松油酯研究现状,讨论了一步法和两步法工艺及相应反应机理。

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乙酸,乙酸测定结果相对标准偏差小于1%,平均回收为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.

巯基乙酸钡和巯基乙酸钡-钠都能提高PVC热稳定性,但巯基乙酸钡稳定性要好于巯基乙酸钡-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乙酸甲酯进行了初步研究，产达到693％，对所产品做了红外光谱分析和质子核磁共振分析，确定了其化学结构。

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乙酸合成法,介绍了结晶玫瑰应用。

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

以茴香脑为原料,乙酸和环己烷混合物做溶剂,臭氧化法制备茴香醛。

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他合成工艺作了改进，使中间体绕丹宁乙酸收率提高到76．4％。

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化下,利用微波辐射技术快速合成氯乙酸十六法影响反应收率因素。

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

简述了生成卤化乙酸和其它有机卤化物稳定性分解、生成等问题.

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

以重氮甲烷为化剂，用气相色谱法对氯乙酸生产中控分析进行了研究。

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.

本文对巯基乙酸合成工艺进行了比较研究,认为硫氢化钠法和硫代硫酸钠法生产成本低,适宜于选矿用巯基乙酸生产,而硫脲法可得到较高浓度巯基乙酸。

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.

在无水乙酸锌与1,5-萘二胺形成配位络合物过程中，无水乙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乙酰乙酸乙酮-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。

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.

综述了乙酸松油合成研究现状,讨论了一步法和两步法合成工艺相应反应机理。

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乙酸,乙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.

巯基乙酸钡和巯基乙酸钡-钠都能提高PVC热稳定性,但巯基乙酸钡稳定性要好于巯基乙酸钡-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乙酸甲合成进行了初步研究，产率达到693％，对所合成产品做了红外光谱分析和质子核磁共振分析，确定了其化学结构。