And it is proved that the trifluoro ethyl methacrylate takes part in the copolymerization reaction.

讨论了氟单体用量对转化率的影响。

Tertiary amine, Chloroacetic acid and ethyl Chloroacetate could synergize MI and increase the ...

MI与给电性单体的组合效应不太明显。

Its catalytic performance in Heck reaction of iodobenzene with ethyl acrylate was studied.

研究了该催化剂对碘代苯与丙烯酸酯反应的催化性能及循环使用性能。

Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

以间硝苯甲,酰酸酯,氨化试剂为原料。

The major aromas were hexylic acid ethyl ester, benzyl ethanol, octylic acid and octylic acid ethyl ester.

主体风味成分是己酸酯、苯醇、辛酸和辛酸酯。

Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.

以BTEAC(苄三化铵)为相转移催化剂合成了异烟酸酯。

In this paper, (S)- ethyl mandelate was obtained through chiral resolution of racemic ethyl mandelate by lipase.

扁桃酸酯是合成扁桃酸系列药物的重要中间体。

Activated carbon as the sorbent and catalyst support was capsulated with ethyl cellulose by phase separation methods.

摘要对兼具吸附和催化剂载体功能的多孔结构活性炭，以纤维素为材料用相分离进行包覆。

The phenylacetyl ethanolamine,a low toxic precurson of benzylpenicillin,was synthesized by using ethyl phenylacetate and colamine as raw materials.

以苯酸酯和醇胺为原料合成了苄青霉素低毒前体苯酰醇胺。

The turbidity was induced mainly by inorganic salt in seriflux and the ethyl fatty acid in brut liquor.

低度白酒浑浊及货架期沉淀的原因主要是由加浆水中的无机盐和原酒中的高级脂肪酸酯引起的。

Because of all these disvantages acetylchloride is used to react with absolute ethyl alcohol and synthesize ethyl acetate.

鉴于传统方法存在以上缺点,采用酰代替酸作为原料,不使用任何催化剂,不加热,常温反应来合成酸酯。

The effect that isopropyl xanthogen ethyl formate is synthesized with isopropyl xanthate under differ condition has been studied.

考察了不同条件对异丙黄药合成异丙黄原酸甲酸酯的影响。

The synthesis of ethyl vanillin from urotropin is a major method with high yields,simple process, and available raw materials.

乌洛托品法是合成已兰素的一种重要方法，它操作简单，原料易得，产率较高。

A series of toxic products were produced after photocatalysis on ethanol, such as acetaldehyde, ethyl formate, ethyl acetate, diethoxymethane, 1,1-diethoxyethane.

如醇的反应产物包括，酸酯，酸甲酯，缩等一系列有害物质。

Xanthoxylin was extracted from Zanthoxylum Bungeanum Maxim of Sichuan Hanyuan using absolute ethyl alcohol, ether, acetone and water as solvent.

采用无水醇、醚、丙酮及水作溶剂,对四川汉源花椒作了精油提取研究。

Isobornyl ethyl ether was prepared by ethoxylation of camphene with absolute ethanol in the presence of DCP heat-resistant ion exchange resin.

工业莰烯在耐高温离子交换树脂DCP催化作用下与无水醇反应生成了异龙脑醚。

Heptanone with purity being 98.5% was synthesized by ethyl acetoacetate.The yield is 58.9%,and its application in the related fields were discussed.

用酰酸酯法合成了2-庚酮,总得率为58.9%,纯度为98.5%.介绍了2-庚酮在相关领域中的应用.

OBJECTIVE: To study the effects of different dispersing media, such as atolin and ethyl benzoate, on sustained-release properties of chitosan microspheres.

观察液体石蜡和苯甲酸酯作为分散介质对壳聚糖载药微球缓释性能的影响。

Ethyl phenylacrylate intermediate bringing a double bond was introduced first,which is subsequently transformed into triketone and then DCM was obtained with high purity.

采用具有烯烃骨架的β-苯丙烯酸酯为中间体先引入双键,再经过三酮合环制备烯吡喃。

A synthetic method of benazolin ethyl was present with ochloroaniline, ammounium rhodanide, sulfuryl chloride, sodium nitrite and ethyl chloroacetate as the raw materials.

报道了以邻苯胺、硫氰酸铵、硫酰、亚硝酸钠和酸酯为主要原料合成除灵酯的方法。

And it is proved that the trifluoro ethyl methacrylate takes part in the copolymerization reaction.

讨论了氟单体用量对转影响。

Tertiary amine, Chloroacetic acid and ethyl Chloroacetate could synergize MI and increase the ...

MI与给电性单体组合效应不太明显。

Its catalytic performance in Heck reaction of iodobenzene with ethyl acrylate was studied.

研究了该催剂对碘代苯与丙烯酸反应催性能及循环使用性能。

Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

以间硝基苯甲,酰酸,氨试剂为原料。

The major aromas were hexylic acid ethyl ester, benzyl ethanol, octylic acid and octylic acid ethyl ester.

主体风味成分是己酸、苯醇、辛酸和辛酸。

Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.

以BTEAC(苄基三基氯铵)为相转移催剂合成了烟酸。

In this paper, (S)- ethyl mandelate was obtained through chiral resolution of racemic ethyl mandelate by lipase.

扁桃酸是合成扁桃酸系列药物重要中间体。

Activated carbon as the sorbent and catalyst support was capsulated with ethyl cellulose by phase separation methods.

摘要对兼具吸附和催剂载体功能多孔结构活性炭，以基纤维素为材料用相分离进行包覆。

The phenylacetyl ethanolamine,a low toxic precurson of benzylpenicillin,was synthesized by using ethyl phenylacetate and colamine as raw materials.

以苯酸和醇胺为原料合成了苄青霉素低毒前体苯酰基醇胺。

The turbidity was induced mainly by inorganic salt in seriflux and the ethyl fatty acid in brut liquor.

低度白酒浑浊及货架期沉淀原因主要是由加浆水中无机盐和原酒中高级脂肪酸引起。

Because of all these disvantages acetylchloride is used to react with absolute ethyl alcohol and synthesize ethyl acetate.

鉴于传统方法存在以上缺点,采用酰氯代替酸作为原料,不使用任何催剂,不加热,常温反应来合成酸。

The effect that isopropyl xanthogen ethyl formate is synthesized with isopropyl xanthate under differ condition has been studied.

考察了不同条件对丙基黄药合成丙基黄原酸甲酸影响。

The synthesis of ethyl vanillin from urotropin is a major method with high yields,simple process, and available raw materials.

乌洛托品法是合成已基香兰素一种重要方法，它操作简单，原料易得，产较高。

A series of toxic products were produced after photocatalysis on ethanol, such as acetaldehyde, ethyl formate, ethyl acetate, diethoxymethane, 1,1-diethoxyethane.

如醇反应产物包括，酸，酸甲，缩等一系列有害物质。

Xanthoxylin was extracted from Zanthoxylum Bungeanum Maxim of Sichuan Hanyuan using absolute ethyl alcohol, ether, acetone and water as solvent.

采用无水醇、醚、丙酮及水作溶剂,对四川汉源花椒作了精油提取研究。

Isobornyl ethyl ether was prepared by ethoxylation of camphene with absolute ethanol in the presence of DCP heat-resistant ion exchange resin.

工业莰烯在耐高温离子交换树脂DCP催作用下与无水醇反应生成了龙脑基醚。

Heptanone with purity being 98.5% was synthesized by ethyl acetoacetate.The yield is 58.9%,and its application in the related fields were discussed.

用酰酸法合成了2-庚酮,总得为58.9%,纯度为98.5%.介绍了2-庚酮在相关领域中应用.

OBJECTIVE: To study the effects of different dispersing media, such as atolin and ethyl benzoate, on sustained-release properties of chitosan microspheres.

观察液体石蜡和苯甲酸作为分散介质对壳聚糖载药微球缓释性能影响。

Ethyl phenylacrylate intermediate bringing a double bond was introduced first,which is subsequently transformed into triketone and then DCM was obtained with high purity.

采用具有烯烃骨架β-苯基丙烯酸为中间体先引入双键,再经过三酮合环制备烯基吡喃。

A synthetic method of benazolin ethyl was present with ochloroaniline, ammounium rhodanide, sulfuryl chloride, sodium nitrite and ethyl chloroacetate as the raw materials.

报道了以邻氯苯胺、硫氰酸铵、硫酰氯、亚硝酸钠和氯酸为主要原料合成草除灵方法。

And it is proved that the trifluoro ethyl methacrylate takes part in the copolymerization reaction.

讨论了氟单体用量对转化率的影响。

Tertiary amine, Chloroacetic acid and ethyl Chloroacetate could synergize MI and increase the ...

MI与给电性单体的组合效应不太明显。

Its catalytic performance in Heck reaction of iodobenzene with ethyl acrylate was studied.

研究了该催化剂对碘代苯与丙烯反应的催化性能及循环使用性能。

Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

以间硝基苯甲,,氨化试剂为原料。

The major aromas were hexylic acid ethyl ester, benzyl ethanol, octylic acid and octylic acid ethyl ester.

主体风味成分是己、苯醇、辛和辛。

Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.

以BTEAC(苄基三基氯化铵)为相转移催化剂合成了异烟。

In this paper, (S)- ethyl mandelate was obtained through chiral resolution of racemic ethyl mandelate by lipase.

扁桃是合成扁桃系列药物的重要中间体。

Activated carbon as the sorbent and catalyst support was capsulated with ethyl cellulose by phase separation methods.

摘要对兼具吸附和催化剂载体功能的多孔结构活性炭，以基纤维素为材料用相分离进行包覆。

The phenylacetyl ethanolamine,a low toxic precurson of benzylpenicillin,was synthesized by using ethyl phenylacetate and colamine as raw materials.

以苯和醇胺为原料合成了苄青霉素低毒前体苯基醇胺。

The turbidity was induced mainly by inorganic salt in seriflux and the ethyl fatty acid in brut liquor.

低度白酒浑浊及货架期沉淀的原因主要是由加浆水中的无机盐和原酒中的高级脂肪引起的。

Because of all these disvantages acetylchloride is used to react with absolute ethyl alcohol and synthesize ethyl acetate.

鉴于传统方法存在以上缺点,采用氯代替作为原料,不使用任何催化剂,不加热,常温反应来合成。

The effect that isopropyl xanthogen ethyl formate is synthesized with isopropyl xanthate under differ condition has been studied.

考察了不同条件对异丙基黄药合成异丙基黄原甲的影响。

The synthesis of ethyl vanillin from urotropin is a major method with high yields,simple process, and available raw materials.

乌洛托品法是合成已基香兰素的一种重要方法，它操作简单，原料易得，产率较高。

A series of toxic products were produced after photocatalysis on ethanol, such as acetaldehyde, ethyl formate, ethyl acetate, diethoxymethane, 1,1-diethoxyethane.

如醇的反应产物包括，，甲，缩等一系列有害物质。

Xanthoxylin was extracted from Zanthoxylum Bungeanum Maxim of Sichuan Hanyuan using absolute ethyl alcohol, ether, acetone and water as solvent.

采用无水醇、醚、丙酮及水作溶剂,对四川汉源花椒作了精油提取研究。

Isobornyl ethyl ether was prepared by ethoxylation of camphene with absolute ethanol in the presence of DCP heat-resistant ion exchange resin.

工业莰烯在耐高温离子交换树脂DCP催化作用下与无水醇反应生成了异龙脑基醚。

Heptanone with purity being 98.5% was synthesized by ethyl acetoacetate.The yield is 58.9%,and its application in the related fields were discussed.

用法合成了2-庚酮,总得率为58.9%,纯度为98.5%.介绍了2-庚酮在相关领域中的应用.

OBJECTIVE: To study the effects of different dispersing media, such as atolin and ethyl benzoate, on sustained-release properties of chitosan microspheres.

观察液体石蜡和苯甲作为分散介质对壳聚糖载药微球缓释性能的影响。

Ethyl phenylacrylate intermediate bringing a double bond was introduced first,which is subsequently transformed into triketone and then DCM was obtained with high purity.

采用具有烯烃骨架的β-苯基丙烯为中间体先引入双键,再经过三酮合环制备烯基吡喃。

A synthetic method of benazolin ethyl was present with ochloroaniline, ammounium rhodanide, sulfuryl chloride, sodium nitrite and ethyl chloroacetate as the raw materials.

报道了以邻氯苯胺、硫氰铵、硫氯、亚硝钠和氯为主要原料合成草除灵的方法。

And it is proved that the trifluoro ethyl methacrylate takes part in the copolymerization reaction.

讨论了氟单体用量对转化率的影响。

Tertiary amine, Chloroacetic acid and ethyl Chloroacetate could synergize MI and increase the ...

MI与给电性单体的组合效应不太明显。

Its catalytic performance in Heck reaction of iodobenzene with ethyl acrylate was studied.

研究了该催化剂对碘代与丙烯酸乙酯反应的催化性能及循环使用性能。

Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

以间甲,乙酰乙酸乙酯,氨化试剂为原料。

The major aromas were hexylic acid ethyl ester, benzyl ethanol, octylic acid and octylic acid ethyl ester.

主体风味成分是己酸乙酯、乙、辛酸和辛酸乙酯。

Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.

以BTEAC(苄三乙氯化铵)为相转移催化剂合成了异烟酸乙酯。

In this paper, (S)- ethyl mandelate was obtained through chiral resolution of racemic ethyl mandelate by lipase.

扁桃酸乙酯是合成扁桃酸系列药物的重要中间体。

Activated carbon as the sorbent and catalyst support was capsulated with ethyl cellulose by phase separation methods.

摘要对兼具吸附和催化剂载体功能的多孔结构活性炭，以乙纤维素为材料用相分离进行包覆。

The phenylacetyl ethanolamine,a low toxic precurson of benzylpenicillin,was synthesized by using ethyl phenylacetate and colamine as raw materials.

以乙酸乙酯和乙胺为原料合成了苄青霉素低毒前体乙酰乙胺。

The turbidity was induced mainly by inorganic salt in seriflux and the ethyl fatty acid in brut liquor.

低度白浑浊及货架期沉淀的原因主要是由加浆水中的无机盐和原中的高级脂肪酸乙酯引起的。

Because of all these disvantages acetylchloride is used to react with absolute ethyl alcohol and synthesize ethyl acetate.

鉴于传统方法存在以上缺点,采用乙酰氯代替乙酸作为原料,不使用任何催化剂,不加热,常温反应来合成乙酸乙酯。

The effect that isopropyl xanthogen ethyl formate is synthesized with isopropyl xanthate under differ condition has been studied.

考察了不同条件对异丙黄药合成异丙黄原酸甲酸乙酯的影响。

The synthesis of ethyl vanillin from urotropin is a major method with high yields,simple process, and available raw materials.

乌洛托品法是合成已香兰素的一种重要方法，它操作简单，原料易得，产率较高。

A series of toxic products were produced after photocatalysis on ethanol, such as acetaldehyde, ethyl formate, ethyl acetate, diethoxymethane, 1,1-diethoxyethane.

如乙的反应产物包括乙，乙酸乙酯，乙酸甲酯，缩等一系列有害物质。

Xanthoxylin was extracted from Zanthoxylum Bungeanum Maxim of Sichuan Hanyuan using absolute ethyl alcohol, ether, acetone and water as solvent.

采用无水乙、乙醚、丙酮及水作溶剂,对四川汉源花椒作了油提取研究。

Isobornyl ethyl ether was prepared by ethoxylation of camphene with absolute ethanol in the presence of DCP heat-resistant ion exchange resin.

工业莰烯在耐高温离子交换树脂DCP催化作用下与无水乙反应生成了异龙脑乙醚。

Heptanone with purity being 98.5% was synthesized by ethyl acetoacetate.The yield is 58.9%,and its application in the related fields were discussed.

用乙酰乙酸乙酯法合成了2-庚酮,总得率为58.9%,纯度为98.5%.介绍了2-庚酮在相关领域中的应用.

OBJECTIVE: To study the effects of different dispersing media, such as atolin and ethyl benzoate, on sustained-release properties of chitosan microspheres.

观察液体石蜡和甲酸乙酯作为分散介质对壳聚糖载药微球缓释性能的影响。

Ethyl phenylacrylate intermediate bringing a double bond was introduced first,which is subsequently transformed into triketone and then DCM was obtained with high purity.

采用具有烯烃骨架的β-丙烯酸酯为中间体先引入双键,再经过三酮合环制备乙烯吡喃。

A synthetic method of benazolin ethyl was present with ochloroaniline, ammounium rhodanide, sulfuryl chloride, sodium nitrite and ethyl chloroacetate as the raw materials.

报道了以邻氯胺、硫氰酸铵、硫酰氯、亚酸钠和氯乙酸乙酯为主要原料合成草除灵乙酯的方法。

And it is proved that the trifluoro ethyl methacrylate takes part in the copolymerization reaction.

氟单体用量对转率的影响。

Tertiary amine, Chloroacetic acid and ethyl Chloroacetate could synergize MI and increase the ...

MI与给电性单体的组合效应不太明显。

Its catalytic performance in Heck reaction of iodobenzene with ethyl acrylate was studied.

研究该催剂对碘代苯与丙乙酯反应的催性能及循环使用性能。

Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

以间硝基苯甲,乙酰乙乙酯,氨试剂为原料。

The major aromas were hexylic acid ethyl ester, benzyl ethanol, octylic acid and octylic acid ethyl ester.

主体风味成分是己乙酯、苯乙醇、辛和辛乙酯。

Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.

以BTEAC(苄基三乙基氯铵)为相转移催剂合成异烟乙酯。

In this paper, (S)- ethyl mandelate was obtained through chiral resolution of racemic ethyl mandelate by lipase.

扁桃乙酯是合成扁桃系列药物的重要中间体。

Activated carbon as the sorbent and catalyst support was capsulated with ethyl cellulose by phase separation methods.

摘要对兼具吸附和催剂载体功能的多孔结构活性炭，以乙基纤维素为材料用相分离进行包覆。

The phenylacetyl ethanolamine,a low toxic precurson of benzylpenicillin,was synthesized by using ethyl phenylacetate and colamine as raw materials.

以苯乙乙酯和乙醇胺为原料合成苄青霉素低毒前体苯乙酰基乙醇胺。

The turbidity was induced mainly by inorganic salt in seriflux and the ethyl fatty acid in brut liquor.

低度白酒浑浊及货架期沉淀的原因主要是由加浆水中的无机盐和原酒中的高级脂肪乙酯引起的。

Because of all these disvantages acetylchloride is used to react with absolute ethyl alcohol and synthesize ethyl acetate.

鉴于传统方法存在以上缺点,采用乙酰氯代替乙作为原料,不使用任何催剂,不加热,常温反应来合成乙乙酯。

The effect that isopropyl xanthogen ethyl formate is synthesized with isopropyl xanthate under differ condition has been studied.

考察不同条件对异丙基黄药合成异丙基黄原甲乙酯的影响。

The synthesis of ethyl vanillin from urotropin is a major method with high yields,simple process, and available raw materials.

乌洛托品法是合成已基香兰素的一种重要方法，它操作简单，原料易得，产率较高。

A series of toxic products were produced after photocatalysis on ethanol, such as acetaldehyde, ethyl formate, ethyl acetate, diethoxymethane, 1,1-diethoxyethane.

如乙醇的反应产物包括乙，乙乙酯，乙甲酯，缩等一系列有害物质。

Xanthoxylin was extracted from Zanthoxylum Bungeanum Maxim of Sichuan Hanyuan using absolute ethyl alcohol, ether, acetone and water as solvent.

采用无水乙醇、乙醚、丙酮及水作溶剂,对四川汉源花椒作精油提取研究。

Isobornyl ethyl ether was prepared by ethoxylation of camphene with absolute ethanol in the presence of DCP heat-resistant ion exchange resin.

工业莰在耐高温离子交换树脂DCP催作用下与无水乙醇反应生成异龙脑基乙醚。

Heptanone with purity being 98.5% was synthesized by ethyl acetoacetate.The yield is 58.9%,and its application in the related fields were discussed.

用乙酰乙乙酯法合成2-庚酮,总得率为58.9%,纯度为98.5%.介绍2-庚酮在相关领域中的应用.

OBJECTIVE: To study the effects of different dispersing media, such as atolin and ethyl benzoate, on sustained-release properties of chitosan microspheres.

观察液体石蜡和苯甲乙酯作为分散介质对壳聚糖载药微球缓释性能的影响。

Ethyl phenylacrylate intermediate bringing a double bond was introduced first,which is subsequently transformed into triketone and then DCM was obtained with high purity.

采用具有烃骨架的β-苯基丙酯为中间体先引入双键,再经过三酮合环制备乙基吡喃。

A synthetic method of benazolin ethyl was present with ochloroaniline, ammounium rhodanide, sulfuryl chloride, sodium nitrite and ethyl chloroacetate as the raw materials.

报道以邻氯苯胺、硫氰铵、硫酰氯、亚硝钠和氯乙乙酯为主要原料合成草除灵乙酯的方法。

And it is proved that the trifluoro ethyl methacrylate takes part in the copolymerization reaction.

讨论了氟单体量对转化率的影响。

Tertiary amine, Chloroacetic acid and ethyl Chloroacetate could synergize MI and increase the ...

MI与给电单体的组合效应不太明显。

Its catalytic performance in Heck reaction of iodobenzene with ethyl acrylate was studied.

研究了该催化剂对碘代苯与丙烯酸反应的催化及循环使。

Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

以间硝基苯甲,酰酸,氨化试剂为原料。

The major aromas were hexylic acid ethyl ester, benzyl ethanol, octylic acid and octylic acid ethyl ester.

主体风味成分是己酸、苯醇、辛酸和辛酸。

Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.

以BTEAC(苄基三基氯化铵)为相转移催化剂合成了异烟酸。

In this paper, (S)- ethyl mandelate was obtained through chiral resolution of racemic ethyl mandelate by lipase.

扁桃酸是合成扁桃酸系列药物的重要中间体。

Activated carbon as the sorbent and catalyst support was capsulated with ethyl cellulose by phase separation methods.

摘要对兼具吸附和催化剂载体功的多孔结构活炭，以基纤维素为材料相分离进行包覆。

The phenylacetyl ethanolamine,a low toxic precurson of benzylpenicillin,was synthesized by using ethyl phenylacetate and colamine as raw materials.

以苯酸和醇胺为原料合成了苄青霉素低毒前体苯酰基醇胺。

The turbidity was induced mainly by inorganic salt in seriflux and the ethyl fatty acid in brut liquor.

低度白酒浑浊及货架期沉淀的原因主要是由加浆水中的无机盐和原酒中的高级脂肪酸引起的。

Because of all these disvantages acetylchloride is used to react with absolute ethyl alcohol and synthesize ethyl acetate.

鉴于传统方法存在以上缺点,采酰氯代替酸作为原料,不使任何催化剂,不加热,常温反应来合成酸。

The effect that isopropyl xanthogen ethyl formate is synthesized with isopropyl xanthate under differ condition has been studied.

考察了不同条件对异丙基黄药合成异丙基黄原酸甲酸的影响。

The synthesis of ethyl vanillin from urotropin is a major method with high yields,simple process, and available raw materials.

乌洛托品法是合成已基香兰素的一种重要方法，它操作简单，原料易得，产率较高。

A series of toxic products were produced after photocatalysis on ethanol, such as acetaldehyde, ethyl formate, ethyl acetate, diethoxymethane, 1,1-diethoxyethane.

如醇的反应产物包括，酸，酸甲，缩等一系列有害物质。

Xanthoxylin was extracted from Zanthoxylum Bungeanum Maxim of Sichuan Hanyuan using absolute ethyl alcohol, ether, acetone and water as solvent.

采无水醇、醚、丙酮及水作溶剂,对四川汉源花椒作了精油提取研究。

Isobornyl ethyl ether was prepared by ethoxylation of camphene with absolute ethanol in the presence of DCP heat-resistant ion exchange resin.

工业莰烯在耐高温离子交换树脂DCP催化作下与无水醇反应生成了异龙脑基醚。

Heptanone with purity being 98.5% was synthesized by ethyl acetoacetate.The yield is 58.9%,and its application in the related fields were discussed.

酰酸法合成了2-庚酮,总得率为58.9%,纯度为98.5%.介绍了2-庚酮在相关领域中的应.

OBJECTIVE: To study the effects of different dispersing media, such as atolin and ethyl benzoate, on sustained-release properties of chitosan microspheres.

观察液体石蜡和苯甲酸作为分散介质对壳聚糖载药微球缓释的影响。

Ethyl phenylacrylate intermediate bringing a double bond was introduced first,which is subsequently transformed into triketone and then DCM was obtained with high purity.

采具有烯烃骨架的β-苯基丙烯酸为中间体先引入双键,再经过三酮合环制备烯基吡喃。

A synthetic method of benazolin ethyl was present with ochloroaniline, ammounium rhodanide, sulfuryl chloride, sodium nitrite and ethyl chloroacetate as the raw materials.

报道了以邻氯苯胺、硫氰酸铵、硫酰氯、亚硝酸钠和氯酸为主要原料合成草除灵的方法。

And it is proved that the trifluoro ethyl methacrylate takes part in the copolymerization reaction.

讨论了氟单体量对转化率的影响。

Tertiary amine, Chloroacetic acid and ethyl Chloroacetate could synergize MI and increase the ...

MI与给电单体的组合效应不太明显。

Its catalytic performance in Heck reaction of iodobenzene with ethyl acrylate was studied.

研究了该催化剂对碘代苯与丙烯酸反应的催化及循环使。

Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

以间硝基苯甲,酰酸,氨化试剂为原料。

The major aromas were hexylic acid ethyl ester, benzyl ethanol, octylic acid and octylic acid ethyl ester.

主体风味成分是己酸、苯醇、辛酸和辛酸。

Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.

以BTEAC(苄基三基氯化铵)为相转移催化剂合成了异烟酸。

In this paper, (S)- ethyl mandelate was obtained through chiral resolution of racemic ethyl mandelate by lipase.

扁桃酸是合成扁桃酸系列药物的重要中间体。

Activated carbon as the sorbent and catalyst support was capsulated with ethyl cellulose by phase separation methods.

摘要对兼具吸附和催化剂载体功的多孔结构活炭，以基纤维素为材料相分离进行包覆。

The phenylacetyl ethanolamine,a low toxic precurson of benzylpenicillin,was synthesized by using ethyl phenylacetate and colamine as raw materials.

以苯酸和醇胺为原料合成了苄青霉素低毒前体苯酰基醇胺。

The turbidity was induced mainly by inorganic salt in seriflux and the ethyl fatty acid in brut liquor.

低度白酒浑浊及货架期沉淀的原因主要是由加浆水中的无机盐和原酒中的高级脂肪酸引起的。

Because of all these disvantages acetylchloride is used to react with absolute ethyl alcohol and synthesize ethyl acetate.

鉴于传统方法存在以上缺点,采酰氯代替酸作为原料,不使任何催化剂,不加热,常温反应来合成酸。

The effect that isopropyl xanthogen ethyl formate is synthesized with isopropyl xanthate under differ condition has been studied.

考察了不同条件对异丙基黄药合成异丙基黄原酸甲酸的影响。

The synthesis of ethyl vanillin from urotropin is a major method with high yields,simple process, and available raw materials.

乌洛托品法是合成已基香兰素的一种重要方法，它操作简单，原料易得，产率较高。

A series of toxic products were produced after photocatalysis on ethanol, such as acetaldehyde, ethyl formate, ethyl acetate, diethoxymethane, 1,1-diethoxyethane.

如醇的反应产物包括，酸，酸甲，缩等一系列有害物质。

Xanthoxylin was extracted from Zanthoxylum Bungeanum Maxim of Sichuan Hanyuan using absolute ethyl alcohol, ether, acetone and water as solvent.

采无水醇、醚、丙酮及水作溶剂,对四川汉源花椒作了精油提取研究。

Isobornyl ethyl ether was prepared by ethoxylation of camphene with absolute ethanol in the presence of DCP heat-resistant ion exchange resin.

工业莰烯在耐高温离子交换树脂DCP催化作下与无水醇反应生成了异龙脑基醚。

Heptanone with purity being 98.5% was synthesized by ethyl acetoacetate.The yield is 58.9%,and its application in the related fields were discussed.

酰酸法合成了2-庚酮,总得率为58.9%,纯度为98.5%.介绍了2-庚酮在相关领域中的应.

OBJECTIVE: To study the effects of different dispersing media, such as atolin and ethyl benzoate, on sustained-release properties of chitosan microspheres.

观察液体石蜡和苯甲酸作为分散介质对壳聚糖载药微球缓释的影响。

Ethyl phenylacrylate intermediate bringing a double bond was introduced first,which is subsequently transformed into triketone and then DCM was obtained with high purity.

采具有烯烃骨架的β-苯基丙烯酸为中间体先引入双键,再经过三酮合环制备烯基吡喃。

A synthetic method of benazolin ethyl was present with ochloroaniline, ammounium rhodanide, sulfuryl chloride, sodium nitrite and ethyl chloroacetate as the raw materials.

报道了以邻氯苯胺、硫氰酸铵、硫酰氯、亚硝酸钠和氯酸为主要原料合成草除灵的方法。

And it is proved that the trifluoro ethyl methacrylate takes part in the copolymerization reaction.

讨论了氟单体量对转化率的影响。

Tertiary amine, Chloroacetic acid and ethyl Chloroacetate could synergize MI and increase the ...

MI与给电单体的组合效应不太明显。

Its catalytic performance in Heck reaction of iodobenzene with ethyl acrylate was studied.

研究了该催化剂对碘代苯与丙烯酸反应的催化能及循环能。

Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

以间硝基苯,酰酸,氨化试剂为原料。

The major aromas were hexylic acid ethyl ester, benzyl ethanol, octylic acid and octylic acid ethyl ester.

主体风味成分是己酸、苯醇、辛酸和辛酸。

Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.

以BTEAC(苄基三基氯化铵)为相转移催化剂合成了异烟酸。

In this paper, (S)- ethyl mandelate was obtained through chiral resolution of racemic ethyl mandelate by lipase.

扁桃酸是合成扁桃酸系列药物的重要中间体。

Activated carbon as the sorbent and catalyst support was capsulated with ethyl cellulose by phase separation methods.

摘要对兼具吸附和催化剂载体功能的多孔结构活炭，以基纤维素为材料相分离进行包覆。

The phenylacetyl ethanolamine,a low toxic precurson of benzylpenicillin,was synthesized by using ethyl phenylacetate and colamine as raw materials.

以苯酸和醇胺为原料合成了苄青霉素低毒前体苯酰基醇胺。

The turbidity was induced mainly by inorganic salt in seriflux and the ethyl fatty acid in brut liquor.

低度白酒浑浊及货架期沉淀的原因主要是由加浆水中的无机盐和原酒中的高级脂肪酸引起的。

Because of all these disvantages acetylchloride is used to react with absolute ethyl alcohol and synthesize ethyl acetate.

鉴于传统方法存在以上缺点,采酰氯代替酸作为原料,不任何催化剂,不加热,常温反应来合成酸。

The effect that isopropyl xanthogen ethyl formate is synthesized with isopropyl xanthate under differ condition has been studied.

考察了不同条件对异丙基黄药合成异丙基黄原酸酸的影响。

The synthesis of ethyl vanillin from urotropin is a major method with high yields,simple process, and available raw materials.

乌洛托品法是合成已基香兰素的一种重要方法，它操作简单，原料易得，产率较高。

A series of toxic products were produced after photocatalysis on ethanol, such as acetaldehyde, ethyl formate, ethyl acetate, diethoxymethane, 1,1-diethoxyethane.

如醇的反应产物包括，酸，酸，缩等一系列有害物质。

Xanthoxylin was extracted from Zanthoxylum Bungeanum Maxim of Sichuan Hanyuan using absolute ethyl alcohol, ether, acetone and water as solvent.

采无水醇、醚、丙酮及水作溶剂,对四川汉源花椒作了精油提取研究。

Isobornyl ethyl ether was prepared by ethoxylation of camphene with absolute ethanol in the presence of DCP heat-resistant ion exchange resin.

工业莰烯在耐高温离子交换树脂DCP催化作下与无水醇反应生成了异龙脑基醚。

Heptanone with purity being 98.5% was synthesized by ethyl acetoacetate.The yield is 58.9%,and its application in the related fields were discussed.

酰酸法合成了2-庚酮,总得率为58.9%,纯度为98.5%.介绍了2-庚酮在相关领域中的应.

OBJECTIVE: To study the effects of different dispersing media, such as atolin and ethyl benzoate, on sustained-release properties of chitosan microspheres.

观察液体石蜡和苯酸作为分散介质对壳聚糖载药微球缓释能的影响。

Ethyl phenylacrylate intermediate bringing a double bond was introduced first,which is subsequently transformed into triketone and then DCM was obtained with high purity.

采具有烯烃骨架的β-苯基丙烯酸为中间体先引入双键,再经过三酮合环制备烯基吡喃。

A synthetic method of benazolin ethyl was present with ochloroaniline, ammounium rhodanide, sulfuryl chloride, sodium nitrite and ethyl chloroacetate as the raw materials.

报道了以邻氯苯胺、硫氰酸铵、硫酰氯、亚硝酸钠和氯酸为主要原料合成草除灵的方法。

And it is proved that the trifluoro ethyl methacrylate takes part in the copolymerization reaction.

讨论了氟单体用量对转化率的影响。

Tertiary amine, Chloroacetic acid and ethyl Chloroacetate could synergize MI and increase the ...

MI与给电性单体的组合效应不太明显。

Its catalytic performance in Heck reaction of iodobenzene with ethyl acrylate was studied.

研究了该催化剂对碘代与丙烯乙反应的催化性能及循环使用性能。

Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

以间硝基甲,乙酰乙乙,氨化试剂为原料。

The major aromas were hexylic acid ethyl ester, benzyl ethanol, octylic acid and octylic acid ethyl ester.

主体风味成分是己乙、乙醇、乙。

Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.

以BTEAC(苄基三乙基氯化铵)为相转移催化剂合成了异烟乙。

In this paper, (S)- ethyl mandelate was obtained through chiral resolution of racemic ethyl mandelate by lipase.

扁桃乙是合成扁桃系列药物的重要中间体。

Activated carbon as the sorbent and catalyst support was capsulated with ethyl cellulose by phase separation methods.

摘要对兼具吸附催化剂载体功能的多孔结构活性炭，以乙基纤维素为材料用相分离进行包覆。

The phenylacetyl ethanolamine,a low toxic precurson of benzylpenicillin,was synthesized by using ethyl phenylacetate and colamine as raw materials.

以乙乙乙醇胺为原料合成了苄青霉素低毒前体乙酰基乙醇胺。

The turbidity was induced mainly by inorganic salt in seriflux and the ethyl fatty acid in brut liquor.

低度白酒浑浊及货架期沉淀的原因主要是由加浆水中的无机盐原酒中的高级脂肪乙引起的。

Because of all these disvantages acetylchloride is used to react with absolute ethyl alcohol and synthesize ethyl acetate.

鉴于传统方法存在以上缺点,采用乙酰氯代替乙作为原料,不使用任何催化剂,不加热,常温反应来合成乙乙。

The effect that isopropyl xanthogen ethyl formate is synthesized with isopropyl xanthate under differ condition has been studied.

考察了不同条件对异丙基黄药合成异丙基黄原甲乙的影响。

The synthesis of ethyl vanillin from urotropin is a major method with high yields,simple process, and available raw materials.

乌洛托品法是合成已基香兰素的一种重要方法，它操作简单，原料易得，产率较高。

A series of toxic products were produced after photocatalysis on ethanol, such as acetaldehyde, ethyl formate, ethyl acetate, diethoxymethane, 1,1-diethoxyethane.

如乙醇的反应产物包括乙，乙乙，乙甲，缩等一系列有害物质。

Xanthoxylin was extracted from Zanthoxylum Bungeanum Maxim of Sichuan Hanyuan using absolute ethyl alcohol, ether, acetone and water as solvent.

采用无水乙醇、乙醚、丙酮及水作溶剂,对四川汉源花椒作了精油提取研究。

Isobornyl ethyl ether was prepared by ethoxylation of camphene with absolute ethanol in the presence of DCP heat-resistant ion exchange resin.

工业莰烯在耐高温离子交换树脂DCP催化作用下与无水乙醇反应生成了异龙脑基乙醚。

Heptanone with purity being 98.5% was synthesized by ethyl acetoacetate.The yield is 58.9%,and its application in the related fields were discussed.

用乙酰乙乙法合成了2-庚酮,总得率为58.9%,纯度为98.5%.介绍了2-庚酮在相关领域中的应用.

OBJECTIVE: To study the effects of different dispersing media, such as atolin and ethyl benzoate, on sustained-release properties of chitosan microspheres.

观察液体石蜡甲乙作为分散介质对壳聚糖载药微球缓释性能的影响。

Ethyl phenylacrylate intermediate bringing a double bond was introduced first,which is subsequently transformed into triketone and then DCM was obtained with high purity.

采用具有烯烃骨架的β-基丙烯为中间体先引入双键,再经过三酮合环制备乙烯基吡喃。

A synthetic method of benazolin ethyl was present with ochloroaniline, ammounium rhodanide, sulfuryl chloride, sodium nitrite and ethyl chloroacetate as the raw materials.

报道了以邻氯胺、硫氰铵、硫酰氯、亚硝钠氯乙乙为主要原料合成草除灵乙的方法。