The research provided the applicable functional monomer leading urethano into acrylic ester.
为将氨酯基团引入丙烯酸树脂提供了一种可的官能单体。
The research provided the applicable functional monomer leading urethano into acrylic ester.
为将氨酯基团引入丙烯酸树脂提供了一种可的官能单体。
The toxicity effect of 6 carbamic ester pesticides on Anabaena flos-aquae was studied.
以腥藻为材
研究了6种氨基甲酸酯类农药对藻类的毒性效应。
The content of xanthophyl fatty acid ester obtained is 70-80%, wherein the content of all-trans xanthophyl ester is 90-95%.
本发明方法得到的叶黄素脂肪酸酯含量为70~80%,其中全反式叶黄素酯达90~95%。
Dicyclohexylcarbodiimide (DCC) is widely used in the reaction for synthesis of esters and amides as a condensation agent.
二环己基碳二亚胺(DCC)是酯化、酰胺化等反应常的一种脱
剂,采
DCC脱
缩合,反应条件温和,合成收率通常较高。
The results revealed that there was the toxicity effect of 6 different carbamic ester pesticides on Anabaena flos-aquae.
结果发现,6种氨基甲酸酯类农药对腥藻都有不同程度的毒性作
。
Tannase hydrolyses the ester bonds and depside bonds in gallic acid tannins to release gallic acid and glucose.
摘要单宁酶可解没食子酸单宁中的酯键和缩酚羧键,生成没食子酸和葡萄糖。
Ingredient: KL sublimation medicinal preparation 80%, dextrorotary alkyne fifth heavenly stem chrysanthemum ester 2-3%, function medicinal preparation 1- 3%.
KL升剂80%,右旋炔戊菊酯2-3%,功能剂1- 3%。
Atropine is a specific antidote for the cardiovascular collapse that may result from the injudicious administration of a choline ester.
阿托品是治疗由于胆碱酯类不慎而引起的心血管性虚脱的特效解毒剂。
The cold-fust of the plasticzing agent that use it as material is better than the ester of Butanone and Octanol.
以它为原的增塑剂耐寒性优于丁醇和辛醇的酯类。
The ore sample was dissolved in nitric acid.After enrichment and separation with Xanthic ester cotton,the silver was determined by thiocyanometry.
该方法采硝酸溶解样品,黄原酯棉富集分离,以硫氰酸盐滴定法进行测定。
It is found that incorporation of a trifunctional carboxylic ester or silane coupling agent can improve the adhesion of coatings on glass.
实验发现加入一定量的三官能团酸酯或硅烷偶联剂可以显著提高紫外光固化玻璃涂膜对玻璃的附着力。
A novel family of ester acetal molecular glass materials has been created by the reaction between monocarboxylic acid and divinyl ethers.
通过一元羧酸和二乙烯基醚的反应,我们得到了一种新颖的酯缩醛结构分子玻璃。
There are two reactive groups, amino and butoxy in the borate ester molecule.The structure of the borate ester was characterized by IR spectrum.
[中文文摘]通过分子结构设计,合成了一种氮-硼内配位结构的硼酸酯偶联剂,解决了硼酸酯解稳定性差的问题,同时分子结构中含有氨基、丁氧基等活性基团。
Archaean cell walls lack murein, a common component of bacterial cell walls, and their lipids have ether links rather than ester links.
古细菌的细胞壁缺乏细菌细胞壁组成的普遍物质-胞壁质,其连接是醚连接而不是酯连接。
The results showed that the main compound categories of aromatic components were alcohols, esters, terpenes and ketones for all half-highbush blueberry cultivars.
结果表明,半高丛越橘以醇类、酯类、萜类和酮类物质为主。
Tussore oil was extracted by chemical .The fatty acid (FA) in tussore oil was saponificated and modified to methyl esters by different means .
研究了脂肪油的衍生化、三氟化硼、硫酸3种不同方法对脂肪油的皂化、甲酯化效果,并GC/MS法对柞蚕中脂肪酸的成分进行了鉴定和分析。
Flame retardant vinyl ester resin using tetrabromo bisphenol A, epichlorohydrin, acrylic acid as raw materials was also synthesized, Its flame retardant property was excellent.
四溴双酚A、环氧氯丙烷和丙烯酸为原
合成了阻燃型乙烯基酯树脂,其阻燃性能良好。
By using phase transfer catalyst, the yield of the preparation of cyclopropane carboxylic isopropyl ester was increased.
在环丙甲酸异丙酯的合成反应中,通过相转移催化剂提高了反应收率。
The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied.
以强酸性阳离子交换树脂为催化剂,十三碳二元酸与乙醇为原合成十三碳二元酸二乙酯,考察了影响反应的因素。
Four compounds of phosphite ester and phosphoramide containing azido groups were synthesized. The molecular structure of the products has been confirmed by IR,1HNMR,FAB-MS and elemental analysis.
首次合成了叠氮亚磷酸酯及叠氮磷酰胺类化合物,并IR、1HNMR、FAB-MS及元素分析对化合物结构进行了鉴定。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
The research provided the applicable functional monomer leading urethano into acrylic ester.
为将氨酯基团引入丙烯酸树脂提供了一种可用的官能单体。
The toxicity effect of 6 carbamic ester pesticides on Anabaena flos-aquae was studied.
以水华鱼腥藻为材研究了6种氨基甲酸酯类农药对藻类的毒性效应。
The content of xanthophyl fatty acid ester obtained is 70-80%, wherein the content of all-trans xanthophyl ester is 90-95%.
用本发明方法得到的叶黄素脂肪酸酯含量为70~80%,其中全反式叶黄素酯达90~95%。
Dicyclohexylcarbodiimide (DCC) is widely used in the reaction for synthesis of esters and amides as a condensation agent.
二环己基碳二亚胺(DCC)是酯化、酰胺化等反应常用的一种脱水剂,采用DCC脱水缩合,反应条件温和,合成收率通常较高。
The results revealed that there was the toxicity effect of 6 different carbamic ester pesticides on Anabaena flos-aquae.
结果发现,6种氨基甲酸酯类农药对水华鱼腥藻都有不同程度的毒性作用。
Tannase hydrolyses the ester bonds and depside bonds in gallic acid tannins to release gallic acid and glucose.
摘要单宁酶可水解没食子酸单宁中的酯键和缩酚羧键,生成没食子酸和葡萄糖。
Ingredient: KL sublimation medicinal preparation 80%, dextrorotary alkyne fifth heavenly stem chrysanthemum ester 2-3%, function medicinal preparation 1- 3%.
KL升华剂80%,右旋酯2-3%,功能剂1- 3%。
Atropine is a specific antidote for the cardiovascular collapse that may result from the injudicious administration of a choline ester.
阿托品是治疗由于用胆碱酯类不慎而引起的心血管性虚脱的特效解毒剂。
The cold-fust of the plasticzing agent that use it as material is better than the ester of Butanone and Octanol.
以它为原的增塑剂耐寒性优于丁醇和辛醇的酯类。
The ore sample was dissolved in nitric acid.After enrichment and separation with Xanthic ester cotton,the silver was determined by thiocyanometry.
该方法采用硝酸溶解样品,黄原酯棉富集分离,以硫氰酸盐滴定法进行测定。
It is found that incorporation of a trifunctional carboxylic ester or silane coupling agent can improve the adhesion of coatings on glass.
实验发现加入一定量的三官能团酸酯或硅烷偶联剂可以显著提高紫外光固化玻璃涂膜对玻璃的附着力。
A novel family of ester acetal molecular glass materials has been created by the reaction between monocarboxylic acid and divinyl ethers.
通过一元羧酸和二乙烯基醚的反应,我们得到了一种新颖的酯缩醛结构分子玻璃。
There are two reactive groups, amino and butoxy in the borate ester molecule.The structure of the borate ester was characterized by IR spectrum.
[中文文摘]通过分子结构设计,合成了一种氮-硼内配位结构的硼酸酯偶联剂,解决了硼酸酯水解稳定性差的问题,同时分子结构中含有氨基、丁氧基等活性基团。
Archaean cell walls lack murein, a common component of bacterial cell walls, and their lipids have ether links rather than ester links.
古细菌的细胞壁缺乏细菌细胞壁组成的普遍物质-胞壁质,其连接是醚连接而不是酯连接。
The results showed that the main compound categories of aromatic components were alcohols, esters, terpenes and ketones for all half-highbush blueberry cultivars.
结果表明,半高丛越橘以醇类、酯类、萜类和酮类物质为主。
Tussore oil was extracted by chemical .The fatty acid (FA) in tussore oil was saponificated and modified to methyl esters by different means .
研究了脂肪油的衍生化、三氟化硼、硫酸3种不同方法对脂肪油的皂化、甲酯化效果,并用GC/MS法对柞蚕中脂肪酸的成分进行了鉴定和分析。
Flame retardant vinyl ester resin using tetrabromo bisphenol A, epichlorohydrin, acrylic acid as raw materials was also synthesized, Its flame retardant property was excellent.
用四溴双酚A、环氧氯丙烷和丙烯酸为原合成了阻燃型乙烯基酯树脂,其阻燃性能良好。
By using phase transfer catalyst, the yield of the preparation of cyclopropane carboxylic isopropyl ester was increased.
在环丙甲酸异丙酯的合成反应中,通过相转移催化剂提高了反应收率。
The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied.
以强酸性阳离子交换树脂为催化剂,十三碳二元酸与乙醇为原合成十三碳二元酸二乙酯,考察了影响反应的因素。
Four compounds of phosphite ester and phosphoramide containing azido groups were synthesized. The molecular structure of the products has been confirmed by IR,1HNMR,FAB-MS and elemental analysis.
首次合成了叠氮亚磷酸酯及叠氮磷酰胺类化合物,并用IR、1HNMR、FAB-MS及元素分析对化合物结构进行了鉴定。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
The research provided the applicable functional monomer leading urethano into acrylic ester.
为将氨酯基团引入丙烯酸树脂提供了一种可能单体。
The toxicity effect of 6 carbamic ester pesticides on Anabaena flos-aquae was studied.
以水华鱼腥为材
研究了6种氨基甲酸酯类农
类
毒性效应。
The content of xanthophyl fatty acid ester obtained is 70-80%, wherein the content of all-trans xanthophyl ester is 90-95%.
本发明方法得到
叶黄素脂肪酸酯含量为70~80%,其中全反式叶黄素酯达90~95%。
Dicyclohexylcarbodiimide (DCC) is widely used in the reaction for synthesis of esters and amides as a condensation agent.
二环己基碳二亚胺(DCC)是酯化、酰胺化等反应常一种脱水剂,采
DCC脱水缩合,反应条件温和,合成收率通常较高。
The results revealed that there was the toxicity effect of 6 different carbamic ester pesticides on Anabaena flos-aquae.
结果发现,6种氨基甲酸酯类农水华鱼腥
都有不同程度
毒性作
。
Tannase hydrolyses the ester bonds and depside bonds in gallic acid tannins to release gallic acid and glucose.
摘要单宁酶可水解没食子酸单宁中酯键和缩酚羧键,生成没食子酸和葡萄糖。
Ingredient: KL sublimation medicinal preparation 80%, dextrorotary alkyne fifth heavenly stem chrysanthemum ester 2-3%, function medicinal preparation 1- 3%.
KL升华剂80%,右旋炔戊菊酯2-3%,功能剂1- 3%。
Atropine is a specific antidote for the cardiovascular collapse that may result from the injudicious administration of a choline ester.
阿托品是治疗由于胆碱酯类不慎而引起
心血管性虚脱
特效解毒剂。
The cold-fust of the plasticzing agent that use it as material is better than the ester of Butanone and Octanol.
以它为原增塑剂耐寒性优于丁醇和辛醇
酯类。
The ore sample was dissolved in nitric acid.After enrichment and separation with Xanthic ester cotton,the silver was determined by thiocyanometry.
该方法采硝酸溶解样品,黄原酯棉富集分离,以硫氰酸盐滴定法进行测定。
It is found that incorporation of a trifunctional carboxylic ester or silane coupling agent can improve the adhesion of coatings on glass.
实验发现加入一定量三
能团酸酯或硅烷偶联剂可以显著提高紫外光固化玻璃涂膜
玻璃
附着力。
A novel family of ester acetal molecular glass materials has been created by the reaction between monocarboxylic acid and divinyl ethers.
通过一元羧酸和二乙烯基醚反应,我们得到了一种新颖
酯缩醛结构分子玻璃。
There are two reactive groups, amino and butoxy in the borate ester molecule.The structure of the borate ester was characterized by IR spectrum.
[中文文摘]通过分子结构设计,合成了一种氮-硼内配位结构硼酸酯偶联剂,解决了硼酸酯水解稳定性差
问题,同时分子结构中含有氨基、丁氧基等活性基团。
Archaean cell walls lack murein, a common component of bacterial cell walls, and their lipids have ether links rather than ester links.
古细菌细胞壁缺乏细菌细胞壁组成
普遍物质-胞壁质,其连接是醚连接而不是酯连接。
The results showed that the main compound categories of aromatic components were alcohols, esters, terpenes and ketones for all half-highbush blueberry cultivars.
结果表明,半高丛越橘以醇类、酯类、萜类和酮类物质为主。
Tussore oil was extracted by chemical .The fatty acid (FA) in tussore oil was saponificated and modified to methyl esters by different means .
研究了脂肪油衍生化、三氟化硼、硫酸3种不同方法
脂肪油
皂化、甲酯化效果,并
GC/MS法
柞蚕中脂肪酸
成分进行了鉴定和分析。
Flame retardant vinyl ester resin using tetrabromo bisphenol A, epichlorohydrin, acrylic acid as raw materials was also synthesized, Its flame retardant property was excellent.
四溴双酚A、环氧氯丙烷和丙烯酸为原
合成了阻燃型乙烯基酯树脂,其阻燃性能良好。
By using phase transfer catalyst, the yield of the preparation of cyclopropane carboxylic isopropyl ester was increased.
在环丙甲酸异丙酯合成反应中,通过相转移催化剂提高了反应收率。
The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied.
以强酸性阳离子交换树脂为催化剂,十三碳二元酸与乙醇为原合成十三碳二元酸二乙酯,考察了影响反应
因素。
Four compounds of phosphite ester and phosphoramide containing azido groups were synthesized. The molecular structure of the products has been confirmed by IR,1HNMR,FAB-MS and elemental analysis.
首次合成了叠氮亚磷酸酯及叠氮磷酰胺类化合物,并IR、1HNMR、FAB-MS及元素分析
化合物结构进行了鉴定。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件观点;若发现问题,欢迎向我们指正。
The research provided the applicable functional monomer leading urethano into acrylic ester.
为将氨酯基团引入丙烯酸树脂提供了一种可的官能单体。
The toxicity effect of 6 carbamic ester pesticides on Anabaena flos-aquae was studied.
以腥藻为材
研究了6种氨基甲酸酯类农药对藻类的毒性效应。
The content of xanthophyl fatty acid ester obtained is 70-80%, wherein the content of all-trans xanthophyl ester is 90-95%.
本发明方法得到的叶黄素脂肪酸酯含量为70~80%,其中全反式叶黄素酯达90~95%。
Dicyclohexylcarbodiimide (DCC) is widely used in the reaction for synthesis of esters and amides as a condensation agent.
二环己基碳二亚胺(DCC)是酯化、酰胺化等反应常的一种脱
剂,采
DCC脱
缩合,反应条件温和,合成收率通常较高。
The results revealed that there was the toxicity effect of 6 different carbamic ester pesticides on Anabaena flos-aquae.
结果发现,6种氨基甲酸酯类农药对腥藻都有不同程度的毒性作
。
Tannase hydrolyses the ester bonds and depside bonds in gallic acid tannins to release gallic acid and glucose.
摘要单宁酶可解没食子酸单宁中的酯键和缩酚羧键,生成没食子酸和葡萄糖。
Ingredient: KL sublimation medicinal preparation 80%, dextrorotary alkyne fifth heavenly stem chrysanthemum ester 2-3%, function medicinal preparation 1- 3%.
KL升剂80%,右旋炔戊菊酯2-3%,功能剂1- 3%。
Atropine is a specific antidote for the cardiovascular collapse that may result from the injudicious administration of a choline ester.
阿托品是治疗由于胆碱酯类不慎而引起的心血管性虚脱的特效解毒剂。
The cold-fust of the plasticzing agent that use it as material is better than the ester of Butanone and Octanol.
以它为原的增塑剂耐寒性优于丁醇和辛醇的酯类。
The ore sample was dissolved in nitric acid.After enrichment and separation with Xanthic ester cotton,the silver was determined by thiocyanometry.
该方法采硝酸溶解样品,黄原酯棉富集分离,以硫氰酸盐滴定法进行测定。
It is found that incorporation of a trifunctional carboxylic ester or silane coupling agent can improve the adhesion of coatings on glass.
实验发现加入一定量的三官能团酸酯或硅烷偶联剂可以显著提高紫外光固化玻璃涂膜对玻璃的附着力。
A novel family of ester acetal molecular glass materials has been created by the reaction between monocarboxylic acid and divinyl ethers.
通过一元羧酸和二乙烯基醚的反应,我们得到了一种新颖的酯缩醛结构分子玻璃。
There are two reactive groups, amino and butoxy in the borate ester molecule.The structure of the borate ester was characterized by IR spectrum.
[中文文摘]通过分子结构设计,合成了一种氮-硼内配位结构的硼酸酯偶联剂,解决了硼酸酯解稳定性差的问题,同时分子结构中含有氨基、丁氧基等活性基团。
Archaean cell walls lack murein, a common component of bacterial cell walls, and their lipids have ether links rather than ester links.
古细菌的细胞壁缺乏细菌细胞壁组成的普遍物质-胞壁质,其连接是醚连接而不是酯连接。
The results showed that the main compound categories of aromatic components were alcohols, esters, terpenes and ketones for all half-highbush blueberry cultivars.
结果表明,半高丛越橘以醇类、酯类、萜类和酮类物质为主。
Tussore oil was extracted by chemical .The fatty acid (FA) in tussore oil was saponificated and modified to methyl esters by different means .
研究了脂肪油的衍生化、三氟化硼、硫酸3种不同方法对脂肪油的皂化、甲酯化效果,并GC/MS法对柞蚕中脂肪酸的成分进行了鉴定和分析。
Flame retardant vinyl ester resin using tetrabromo bisphenol A, epichlorohydrin, acrylic acid as raw materials was also synthesized, Its flame retardant property was excellent.
四溴双酚A、环氧氯丙烷和丙烯酸为原
合成了阻燃型乙烯基酯树脂,其阻燃性能良好。
By using phase transfer catalyst, the yield of the preparation of cyclopropane carboxylic isopropyl ester was increased.
在环丙甲酸异丙酯的合成反应中,通过相转移催化剂提高了反应收率。
The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied.
以强酸性阳离子交换树脂为催化剂,十三碳二元酸与乙醇为原合成十三碳二元酸二乙酯,考察了影响反应的因素。
Four compounds of phosphite ester and phosphoramide containing azido groups were synthesized. The molecular structure of the products has been confirmed by IR,1HNMR,FAB-MS and elemental analysis.
首次合成了叠氮亚磷酸酯及叠氮磷酰胺类化合物,并IR、1HNMR、FAB-MS及元素分析对化合物结构进行了鉴定。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
The research provided the applicable functional monomer leading urethano into acrylic ester.
为将氨酯基团引入丙烯酸树脂提供了一官能单体。
The toxicity effect of 6 carbamic ester pesticides on Anabaena flos-aquae was studied.
以水华鱼腥为材
研究了6
氨基甲酸酯
农药对
毒性效应。
The content of xanthophyl fatty acid ester obtained is 70-80%, wherein the content of all-trans xanthophyl ester is 90-95%.
本发明方法得到
叶黄素脂肪酸酯含量为70~80%,其中全反式叶黄素酯达90~95%。
Dicyclohexylcarbodiimide (DCC) is widely used in the reaction for synthesis of esters and amides as a condensation agent.
二环己基碳二亚胺(DCC)是酯化、酰胺化等反应常一
脱水剂,采
DCC脱水缩合,反应条件温和,合成收率通常较高。
The results revealed that there was the toxicity effect of 6 different carbamic ester pesticides on Anabaena flos-aquae.
结果发现,6氨基甲酸酯
农药对水华鱼腥
都有不同程度
毒性作
。
Tannase hydrolyses the ester bonds and depside bonds in gallic acid tannins to release gallic acid and glucose.
摘要单宁酶水解没食子酸单宁中
酯键和缩酚羧键,生成没食子酸和葡萄糖。
Ingredient: KL sublimation medicinal preparation 80%, dextrorotary alkyne fifth heavenly stem chrysanthemum ester 2-3%, function medicinal preparation 1- 3%.
KL升华剂80%,右旋炔戊菊酯2-3%,功能剂1- 3%。
Atropine is a specific antidote for the cardiovascular collapse that may result from the injudicious administration of a choline ester.
阿托品是治疗由于胆碱酯
不慎而引起
心血管性虚脱
特效解毒剂。
The cold-fust of the plasticzing agent that use it as material is better than the ester of Butanone and Octanol.
以它为原增塑剂耐寒性优于丁醇和辛醇
酯
。
The ore sample was dissolved in nitric acid.After enrichment and separation with Xanthic ester cotton,the silver was determined by thiocyanometry.
该方法采硝酸溶解样品,黄原酯棉富集分离,以硫氰酸盐滴定法进行测定。
It is found that incorporation of a trifunctional carboxylic ester or silane coupling agent can improve the adhesion of coatings on glass.
实验发现加入一定量三官能团酸酯或硅烷偶联剂
以显著提高紫外光固化玻璃涂膜对玻璃
附着力。
A novel family of ester acetal molecular glass materials has been created by the reaction between monocarboxylic acid and divinyl ethers.
通过一元羧酸和二乙烯基醚反应,我们得到了一
新颖
酯缩醛结构分子玻璃。
There are two reactive groups, amino and butoxy in the borate ester molecule.The structure of the borate ester was characterized by IR spectrum.
[中文文摘]通过分子结构设计,合成了一氮-硼内配位结构
硼酸酯偶联剂,解决了硼酸酯水解稳定性差
问题,同时分子结构中含有氨基、丁氧基等活性基团。
Archaean cell walls lack murein, a common component of bacterial cell walls, and their lipids have ether links rather than ester links.
古细菌细胞壁缺乏细菌细胞壁组成
普遍物质-胞壁质,其连接是醚连接而不是酯连接。
The results showed that the main compound categories of aromatic components were alcohols, esters, terpenes and ketones for all half-highbush blueberry cultivars.
结果表明,半高丛越橘以醇、酯
、萜
和酮
物质为主。
Tussore oil was extracted by chemical .The fatty acid (FA) in tussore oil was saponificated and modified to methyl esters by different means .
研究了脂肪油衍生化、三氟化硼、硫酸3
不同方法对脂肪油
皂化、甲酯化效果,并
GC/MS法对柞蚕中脂肪酸
成分进行了鉴定和分析。
Flame retardant vinyl ester resin using tetrabromo bisphenol A, epichlorohydrin, acrylic acid as raw materials was also synthesized, Its flame retardant property was excellent.
四溴双酚A、环氧氯丙烷和丙烯酸为原
合成了阻燃型乙烯基酯树脂,其阻燃性能良好。
By using phase transfer catalyst, the yield of the preparation of cyclopropane carboxylic isopropyl ester was increased.
在环丙甲酸异丙酯合成反应中,通过相转移催化剂提高了反应收率。
The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied.
以强酸性阳离子交换树脂为催化剂,十三碳二元酸与乙醇为原合成十三碳二元酸二乙酯,考察了影响反应
因素。
Four compounds of phosphite ester and phosphoramide containing azido groups were synthesized. The molecular structure of the products has been confirmed by IR,1HNMR,FAB-MS and elemental analysis.
首次合成了叠氮亚磷酸酯及叠氮磷酰胺化合物,并
IR、1HNMR、FAB-MS及元素分析对化合物结构进行了鉴定。
声明:以上例句、词性分均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件
观点;若发现问题,欢迎向我们指正。
The research provided the applicable functional monomer leading urethano into acrylic ester.
为将氨酯基团引入丙烯酸提供了一种可用的官能单体。
The toxicity effect of 6 carbamic ester pesticides on Anabaena flos-aquae was studied.
以水华鱼腥藻为材研究了6种氨基甲酸酯类农药对藻类的毒性效应。
The content of xanthophyl fatty acid ester obtained is 70-80%, wherein the content of all-trans xanthophyl ester is 90-95%.
用本发明方法得到的叶黄素肪酸酯含量为70~80%,其中全反式叶黄素酯达90~95%。
Dicyclohexylcarbodiimide (DCC) is widely used in the reaction for synthesis of esters and amides as a condensation agent.
二环己基碳二亚胺(DCC)是酯化、酰胺化等反应常用的一种脱水剂,采用DCC脱水缩合,反应条件温和,合成收率通常较高。
The results revealed that there was the toxicity effect of 6 different carbamic ester pesticides on Anabaena flos-aquae.
结果发现,6种氨基甲酸酯类农药对水华鱼腥藻都有不的毒性作用。
Tannase hydrolyses the ester bonds and depside bonds in gallic acid tannins to release gallic acid and glucose.
摘要单宁酶可水解没食子酸单宁中的酯键和缩酚羧键,生成没食子酸和葡萄糖。
Ingredient: KL sublimation medicinal preparation 80%, dextrorotary alkyne fifth heavenly stem chrysanthemum ester 2-3%, function medicinal preparation 1- 3%.
KL升华剂80%,右旋炔戊菊酯2-3%,功能剂1- 3%。
Atropine is a specific antidote for the cardiovascular collapse that may result from the injudicious administration of a choline ester.
阿托品是治疗由于用胆碱酯类不慎而引起的心血管性虚脱的特效解毒剂。
The cold-fust of the plasticzing agent that use it as material is better than the ester of Butanone and Octanol.
以它为原的增塑剂耐寒性优于丁醇和辛醇的酯类。
The ore sample was dissolved in nitric acid.After enrichment and separation with Xanthic ester cotton,the silver was determined by thiocyanometry.
该方法采用硝酸溶解样品,黄原酯棉富集分离,以硫氰酸盐滴定法进行测定。
It is found that incorporation of a trifunctional carboxylic ester or silane coupling agent can improve the adhesion of coatings on glass.
实验发现加入一定量的三官能团酸酯或硅烷偶联剂可以显著提高紫外光固化玻璃涂膜对玻璃的附着力。
A novel family of ester acetal molecular glass materials has been created by the reaction between monocarboxylic acid and divinyl ethers.
通过一元羧酸和二乙烯基醚的反应,我们得到了一种新颖的酯缩醛结构分子玻璃。
There are two reactive groups, amino and butoxy in the borate ester molecule.The structure of the borate ester was characterized by IR spectrum.
[中文文摘]通过分子结构设计,合成了一种氮-硼内配位结构的硼酸酯偶联剂,解决了硼酸酯水解稳定性差的问题,时分子结构中含有氨基、丁氧基等活性基团。
Archaean cell walls lack murein, a common component of bacterial cell walls, and their lipids have ether links rather than ester links.
古细菌的细胞壁缺乏细菌细胞壁组成的普遍质-胞壁质,其连接是醚连接而不是酯连接。
The results showed that the main compound categories of aromatic components were alcohols, esters, terpenes and ketones for all half-highbush blueberry cultivars.
结果表明,半高丛越橘以醇类、酯类、萜类和酮类质为主。
Tussore oil was extracted by chemical .The fatty acid (FA) in tussore oil was saponificated and modified to methyl esters by different means .
研究了肪油的衍生化、三氟化硼、硫酸3种不
方法对
肪油的皂化、甲酯化效果,并用GC/MS法对柞蚕中
肪酸的成分进行了鉴定和分析。
Flame retardant vinyl ester resin using tetrabromo bisphenol A, epichlorohydrin, acrylic acid as raw materials was also synthesized, Its flame retardant property was excellent.
用四溴双酚A、环氧氯丙烷和丙烯酸为原合成了阻燃型乙烯基酯
,其阻燃性能良好。
By using phase transfer catalyst, the yield of the preparation of cyclopropane carboxylic isopropyl ester was increased.
在环丙甲酸异丙酯的合成反应中,通过相转移催化剂提高了反应收率。
The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied.
以强酸性阳离子交换为催化剂,十三碳二元酸与乙醇为原
合成十三碳二元酸二乙酯,考察了影响反应的因素。
Four compounds of phosphite ester and phosphoramide containing azido groups were synthesized. The molecular structure of the products has been confirmed by IR,1HNMR,FAB-MS and elemental analysis.
首次合成了叠氮亚磷酸酯及叠氮磷酰胺类化合,并用IR、1HNMR、FAB-MS及元素分析对化合
结构进行了鉴定。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
The research provided the applicable functional monomer leading urethano into acrylic ester.
为将氨基团引入丙烯
树脂提供了一种可用的官能
。
The toxicity effect of 6 carbamic ester pesticides on Anabaena flos-aquae was studied.
水华鱼腥藻为材
研究了6种氨基甲
农药对藻
的毒性效应。
The content of xanthophyl fatty acid ester obtained is 70-80%, wherein the content of all-trans xanthophyl ester is 90-95%.
用本发明方法得到的叶黄素脂肪含量为70~80%,其中全反式叶黄素
达90~95%。
Dicyclohexylcarbodiimide (DCC) is widely used in the reaction for synthesis of esters and amides as a condensation agent.
二环己基碳二亚胺(DCC)是化、酰胺化等反应常用的一种脱水剂,采用DCC脱水缩合,反应条件温和,合成收率通常较高。
The results revealed that there was the toxicity effect of 6 different carbamic ester pesticides on Anabaena flos-aquae.
结果发现,6种氨基甲农药对水华鱼腥藻都有不同程度的毒性作用。
Tannase hydrolyses the ester bonds and depside bonds in gallic acid tannins to release gallic acid and glucose.
摘要宁酶可水解没食子
宁中的
键和缩酚羧键,生成没食子
和葡萄糖。
Ingredient: KL sublimation medicinal preparation 80%, dextrorotary alkyne fifth heavenly stem chrysanthemum ester 2-3%, function medicinal preparation 1- 3%.
KL升华剂80%,右旋炔戊菊2-3%,功能剂1- 3%。
Atropine is a specific antidote for the cardiovascular collapse that may result from the injudicious administration of a choline ester.
阿托品是治疗由于用胆碱不慎而引起的心血管性虚脱的特效解毒剂。
The cold-fust of the plasticzing agent that use it as material is better than the ester of Butanone and Octanol.
它为原
的增塑剂耐寒性优于丁醇和辛醇的
。
The ore sample was dissolved in nitric acid.After enrichment and separation with Xanthic ester cotton,the silver was determined by thiocyanometry.
该方法采用硝溶解样品,黄原
棉富集分离,
硫氰
盐滴定法进行测定。
It is found that incorporation of a trifunctional carboxylic ester or silane coupling agent can improve the adhesion of coatings on glass.
实验发现加入一定量的三官能团或硅烷偶联剂可
显著提高紫外光固化玻璃涂膜对玻璃的附着力。
A novel family of ester acetal molecular glass materials has been created by the reaction between monocarboxylic acid and divinyl ethers.
通过一元羧和二乙烯基醚的反应,我们得到了一种新颖的
缩醛结构分子玻璃。
There are two reactive groups, amino and butoxy in the borate ester molecule.The structure of the borate ester was characterized by IR spectrum.
[中文文摘]通过分子结构设计,合成了一种氮-硼内配位结构的硼偶联剂,解决了硼
水解稳定性差的问题,同时分子结构中含有氨基、丁氧基等活性基团。
Archaean cell walls lack murein, a common component of bacterial cell walls, and their lipids have ether links rather than ester links.
古细菌的细胞壁缺乏细菌细胞壁组成的普遍物质-胞壁质,其连接是醚连接而不是连接。
The results showed that the main compound categories of aromatic components were alcohols, esters, terpenes and ketones for all half-highbush blueberry cultivars.
结果表明,半高丛越橘醇
、
、萜
和酮
物质为主。
Tussore oil was extracted by chemical .The fatty acid (FA) in tussore oil was saponificated and modified to methyl esters by different means .
研究了脂肪油的衍生化、三氟化硼、硫3种不同方法对脂肪油的皂化、甲
化效果,并用GC/MS法对柞蚕中脂肪
的成分进行了鉴定和分析。
Flame retardant vinyl ester resin using tetrabromo bisphenol A, epichlorohydrin, acrylic acid as raw materials was also synthesized, Its flame retardant property was excellent.
用四溴双酚A、环氧氯丙烷和丙烯为原
合成了阻燃型乙烯基
树脂,其阻燃性能良好。
By using phase transfer catalyst, the yield of the preparation of cyclopropane carboxylic isopropyl ester was increased.
在环丙甲异丙
的合成反应中,通过相转移催化剂提高了反应收率。
The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied.
强
性阳离子交换树脂为催化剂,十三碳二元
与乙醇为原
合成十三碳二元
二乙
,考察了影响反应的因素。
Four compounds of phosphite ester and phosphoramide containing azido groups were synthesized. The molecular structure of the products has been confirmed by IR,1HNMR,FAB-MS and elemental analysis.
首次合成了叠氮亚磷及叠氮磷酰胺
化合物,并用IR、1HNMR、FAB-MS及元素分析对化合物结构进行了鉴定。
声明:上例句、词性分
均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
The research provided the applicable functional monomer leading urethano into acrylic ester.
为将氨酯团引入丙烯酸树脂提供了一种可用的官能单体。
The toxicity effect of 6 carbamic ester pesticides on Anabaena flos-aquae was studied.
以水华鱼腥藻为材研究了6种氨
酸酯类农药对藻类的毒性效应。
The content of xanthophyl fatty acid ester obtained is 70-80%, wherein the content of all-trans xanthophyl ester is 90-95%.
用本发明方法得到的叶黄素脂肪酸酯含量为70~80%,其中全反式叶黄素酯达90~95%。
Dicyclohexylcarbodiimide (DCC) is widely used in the reaction for synthesis of esters and amides as a condensation agent.
二环己碳二亚
(DCC)是酯化、酰
化等反应常用的一种脱水剂,采用DCC脱水
合,反应条件温
,合成收率通常较高。
The results revealed that there was the toxicity effect of 6 different carbamic ester pesticides on Anabaena flos-aquae.
结果发现,6种氨酸酯类农药对水华鱼腥藻都有不同程度的毒性作用。
Tannase hydrolyses the ester bonds and depside bonds in gallic acid tannins to release gallic acid and glucose.
摘要单宁酶可水解没食子酸单宁中的酯酚羧
,生成没食子酸
葡萄糖。
Ingredient: KL sublimation medicinal preparation 80%, dextrorotary alkyne fifth heavenly stem chrysanthemum ester 2-3%, function medicinal preparation 1- 3%.
KL升华剂80%,右旋炔戊菊酯2-3%,功能剂1- 3%。
Atropine is a specific antidote for the cardiovascular collapse that may result from the injudicious administration of a choline ester.
阿托品是治疗由于用胆碱酯类不慎而引起的心血管性虚脱的特效解毒剂。
The cold-fust of the plasticzing agent that use it as material is better than the ester of Butanone and Octanol.
以它为原的增塑剂耐寒性优于丁醇
辛醇的酯类。
The ore sample was dissolved in nitric acid.After enrichment and separation with Xanthic ester cotton,the silver was determined by thiocyanometry.
该方法采用硝酸溶解样品,黄原酯棉富集分离,以硫氰酸盐滴定法进行测定。
It is found that incorporation of a trifunctional carboxylic ester or silane coupling agent can improve the adhesion of coatings on glass.
实验发现加入一定量的三官能团酸酯或硅烷偶联剂可以显著提高紫外光固化玻璃涂膜对玻璃的附着力。
A novel family of ester acetal molecular glass materials has been created by the reaction between monocarboxylic acid and divinyl ethers.
通过一元羧酸二乙烯
醚的反应,我们得到了一种新颖的酯
醛结构分子玻璃。
There are two reactive groups, amino and butoxy in the borate ester molecule.The structure of the borate ester was characterized by IR spectrum.
[中文文摘]通过分子结构设计,合成了一种氮-硼内配位结构的硼酸酯偶联剂,解决了硼酸酯水解稳定性差的问题,同时分子结构中含有氨、丁氧
等活性
团。
Archaean cell walls lack murein, a common component of bacterial cell walls, and their lipids have ether links rather than ester links.
古细菌的细胞壁缺乏细菌细胞壁组成的普遍物质-胞壁质,其连接是醚连接而不是酯连接。
The results showed that the main compound categories of aromatic components were alcohols, esters, terpenes and ketones for all half-highbush blueberry cultivars.
结果表明,半高丛越橘以醇类、酯类、萜类酮类物质为主。
Tussore oil was extracted by chemical .The fatty acid (FA) in tussore oil was saponificated and modified to methyl esters by different means .
研究了脂肪油的衍生化、三氟化硼、硫酸3种不同方法对脂肪油的皂化、酯化效果,并用GC/MS法对柞蚕中脂肪酸的成分进行了鉴定
分析。
Flame retardant vinyl ester resin using tetrabromo bisphenol A, epichlorohydrin, acrylic acid as raw materials was also synthesized, Its flame retardant property was excellent.
用四溴双酚A、环氧氯丙烷丙烯酸为原
合成了阻燃型乙烯
酯树脂,其阻燃性能良好。
By using phase transfer catalyst, the yield of the preparation of cyclopropane carboxylic isopropyl ester was increased.
在环丙酸异丙酯的合成反应中,通过相转移催化剂提高了反应收率。
The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied.
以强酸性阳离子交换树脂为催化剂,十三碳二元酸与乙醇为原合成十三碳二元酸二乙酯,考察了影响反应的因素。
Four compounds of phosphite ester and phosphoramide containing azido groups were synthesized. The molecular structure of the products has been confirmed by IR,1HNMR,FAB-MS and elemental analysis.
首次合成了叠氮亚磷酸酯及叠氮磷酰类化合物,并用IR、1HNMR、FAB-MS及元素分析对化合物结构进行了鉴定。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
The research provided the applicable functional monomer leading urethano into acrylic ester.
为将氨酯基团引入丙烯酸树脂提供了一种可用的官能单体。
The toxicity effect of 6 carbamic ester pesticides on Anabaena flos-aquae was studied.
以水华鱼腥藻为材研究了6种氨基甲酸酯类农药对藻类的毒性效应。
The content of xanthophyl fatty acid ester obtained is 70-80%, wherein the content of all-trans xanthophyl ester is 90-95%.
用本发明方法得到的叶黄素脂肪酸酯含量为70~80%,其中全反式叶黄素酯达90~95%。
Dicyclohexylcarbodiimide (DCC) is widely used in the reaction for synthesis of esters and amides as a condensation agent.
二环己基碳二亚胺(DCC)是酯化、酰胺化等反应常用的一种脱水剂,采用DCC脱水缩合,反应条件温和,合收率通常较高。
The results revealed that there was the toxicity effect of 6 different carbamic ester pesticides on Anabaena flos-aquae.
结果发现,6种氨基甲酸酯类农药对水华鱼腥藻都有不同程度的毒性作用。
Tannase hydrolyses the ester bonds and depside bonds in gallic acid tannins to release gallic acid and glucose.
摘要单宁酶可水解食子酸单宁中的酯键和缩酚羧键,
食子酸和葡萄糖。
Ingredient: KL sublimation medicinal preparation 80%, dextrorotary alkyne fifth heavenly stem chrysanthemum ester 2-3%, function medicinal preparation 1- 3%.
KL升华剂80%,右旋炔戊菊酯2-3%,功能剂1- 3%。
Atropine is a specific antidote for the cardiovascular collapse that may result from the injudicious administration of a choline ester.
阿托品是治疗由于用胆碱酯类不慎而引起的心血管性虚脱的特效解毒剂。
The cold-fust of the plasticzing agent that use it as material is better than the ester of Butanone and Octanol.
以它为原的增塑剂耐寒性优于丁醇和辛醇的酯类。
The ore sample was dissolved in nitric acid.After enrichment and separation with Xanthic ester cotton,the silver was determined by thiocyanometry.
该方法采用硝酸溶解样品,黄原酯棉富集分离,以硫氰酸盐滴定法进行测定。
It is found that incorporation of a trifunctional carboxylic ester or silane coupling agent can improve the adhesion of coatings on glass.
实验发现加入一定量的三官能团酸酯或硅烷偶联剂可以显著提高紫外光固化玻璃涂膜对玻璃的附着力。
A novel family of ester acetal molecular glass materials has been created by the reaction between monocarboxylic acid and divinyl ethers.
通过一元羧酸和二乙烯基醚的反应,我们得到了一种新颖的酯缩醛结构分子玻璃。
There are two reactive groups, amino and butoxy in the borate ester molecule.The structure of the borate ester was characterized by IR spectrum.
[中文文摘]通过分子结构设计,合了一种氮-硼内配位结构的硼酸酯偶联剂,解决了硼酸酯水解稳定性差的问题,同时分子结构中含有氨基、丁氧基等活性基团。
Archaean cell walls lack murein, a common component of bacterial cell walls, and their lipids have ether links rather than ester links.
古细菌的细胞壁缺乏细菌细胞壁组的普遍物质-胞壁质,其连接是醚连接而不是酯连接。
The results showed that the main compound categories of aromatic components were alcohols, esters, terpenes and ketones for all half-highbush blueberry cultivars.
结果表明,半高丛越橘以醇类、酯类、萜类和酮类物质为主。
Tussore oil was extracted by chemical .The fatty acid (FA) in tussore oil was saponificated and modified to methyl esters by different means .
研究了脂肪油的衍化、三氟化硼、硫酸3种不同方法对脂肪油的皂化、甲酯化效果,并用GC/MS法对柞蚕中脂肪酸的
分进行了鉴定和分析。
Flame retardant vinyl ester resin using tetrabromo bisphenol A, epichlorohydrin, acrylic acid as raw materials was also synthesized, Its flame retardant property was excellent.
用四溴双酚A、环氧氯丙烷和丙烯酸为原合
了阻燃型乙烯基酯树脂,其阻燃性能良好。
By using phase transfer catalyst, the yield of the preparation of cyclopropane carboxylic isopropyl ester was increased.
在环丙甲酸异丙酯的合反应中,通过相转移催化剂提高了反应收率。
The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied.
以强酸性阳离子交换树脂为催化剂,十三碳二元酸与乙醇为原合
十三碳二元酸二乙酯,考察了影响反应的因素。
Four compounds of phosphite ester and phosphoramide containing azido groups were synthesized. The molecular structure of the products has been confirmed by IR,1HNMR,FAB-MS and elemental analysis.
首次合了叠氮亚磷酸酯及叠氮磷酰胺类化合物,并用IR、1HNMR、FAB-MS及元素分析对化合物结构进行了鉴定。
声明:以上例句、词性分类均由互联网资源自动,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
The research provided the applicable functional monomer leading urethano into acrylic ester.
为将氨基团引入丙烯酸树脂提供了一
可用的官能单体。
The toxicity effect of 6 carbamic ester pesticides on Anabaena flos-aquae was studied.
以华鱼腥藻为材
研究了6
氨基甲酸
类农药对藻类的毒性效应。
The content of xanthophyl fatty acid ester obtained is 70-80%, wherein the content of all-trans xanthophyl ester is 90-95%.
用本发明方法得到的叶黄素脂肪酸含量为70~80%,其中全反式叶黄素
达90~95%。
Dicyclohexylcarbodiimide (DCC) is widely used in the reaction for synthesis of esters and amides as a condensation agent.
二环己基碳二亚胺(DCC)是化、酰胺化等反应常用的一
剂,采用DCC
缩合,反应条件温和,合成收率通常较高。
The results revealed that there was the toxicity effect of 6 different carbamic ester pesticides on Anabaena flos-aquae.
结果发现,6氨基甲酸
类农药对
华鱼腥藻都有不同程度的毒性作用。
Tannase hydrolyses the ester bonds and depside bonds in gallic acid tannins to release gallic acid and glucose.
摘要单宁酶可解没食子酸单宁中的
键和缩酚羧键,生成没食子酸和葡萄
。
Ingredient: KL sublimation medicinal preparation 80%, dextrorotary alkyne fifth heavenly stem chrysanthemum ester 2-3%, function medicinal preparation 1- 3%.
KL升华剂80%,右旋炔戊菊2-3%,功能剂1- 3%。
Atropine is a specific antidote for the cardiovascular collapse that may result from the injudicious administration of a choline ester.
阿托品是治疗由于用胆碱类不慎而引起的心血管性虚
的特效解毒剂。
The cold-fust of the plasticzing agent that use it as material is better than the ester of Butanone and Octanol.
以它为原的增塑剂耐寒性优于丁醇和辛醇的
类。
The ore sample was dissolved in nitric acid.After enrichment and separation with Xanthic ester cotton,the silver was determined by thiocyanometry.
该方法采用硝酸溶解样品,黄原棉富集分离,以硫氰酸盐滴定法进行测定。
It is found that incorporation of a trifunctional carboxylic ester or silane coupling agent can improve the adhesion of coatings on glass.
实验发现加入一定量的三官能团酸或硅烷偶联剂可以显著提高紫外光固化玻璃涂膜对玻璃的附着力。
A novel family of ester acetal molecular glass materials has been created by the reaction between monocarboxylic acid and divinyl ethers.
通过一元羧酸和二乙烯基醚的反应,我们得到了一新颖的
缩醛结构分子玻璃。
There are two reactive groups, amino and butoxy in the borate ester molecule.The structure of the borate ester was characterized by IR spectrum.
[中文文摘]通过分子结构设计,合成了一氮-硼内配位结构的硼酸
偶联剂,解决了硼酸
解稳定性差的问题,同时分子结构中含有氨基、丁氧基等活性基团。
Archaean cell walls lack murein, a common component of bacterial cell walls, and their lipids have ether links rather than ester links.
古细菌的细胞壁缺乏细菌细胞壁组成的普遍物质-胞壁质,其连接是醚连接而不是连接。
The results showed that the main compound categories of aromatic components were alcohols, esters, terpenes and ketones for all half-highbush blueberry cultivars.
结果表明,半高丛越橘以醇类、类、萜类和酮类物质为主。
Tussore oil was extracted by chemical .The fatty acid (FA) in tussore oil was saponificated and modified to methyl esters by different means .
研究了脂肪油的衍生化、三氟化硼、硫酸3不同方法对脂肪油的皂化、甲
化效果,并用GC/MS法对柞蚕中脂肪酸的成分进行了鉴定和分析。
Flame retardant vinyl ester resin using tetrabromo bisphenol A, epichlorohydrin, acrylic acid as raw materials was also synthesized, Its flame retardant property was excellent.
用四溴双酚A、环氧氯丙烷和丙烯酸为原合成了阻燃型乙烯基
树脂,其阻燃性能良好。
By using phase transfer catalyst, the yield of the preparation of cyclopropane carboxylic isopropyl ester was increased.
在环丙甲酸异丙的合成反应中,通过相转移催化剂提高了反应收率。
The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied.
以强酸性阳离子交换树脂为催化剂,十三碳二元酸与乙醇为原合成十三碳二元酸二乙
,考察了影响反应的因素。
Four compounds of phosphite ester and phosphoramide containing azido groups were synthesized. The molecular structure of the products has been confirmed by IR,1HNMR,FAB-MS and elemental analysis.
首次合成了叠氮亚磷酸及叠氮磷酰胺类化合物,并用IR、1HNMR、FAB-MS及元素分析对化合物结构进行了鉴定。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。