This investigation provided an environment-friendly process for the synthesis of methyl anthranilate.
摘要提供了一种环境友好的合成工艺制备香料邻氨基苯。
This investigation provided an environment-friendly process for the synthesis of methyl anthranilate.
摘要提供了一种环境友好的合成工艺制备香料邻氨基苯。
Objective: To study the simple synthetic methods of chloromethyl pivalate.
目的探讨合成特戊氯
的简便工艺方法。
The main products of PET supercritical methanolysis are dimethyl terephthalate(DMT) and ethylene glycol(EG).
红外光谱检测解聚物是纯度很高的对苯二
二
(DMT)单体和乙二醇。
Anisic acid is separated from the residue of producing anisic aldehyde and synthetized methyl anisate.
从茴香茴香醛的废渣、废液中提取副
品茴香
,合成茴香
。
Taking pyromellitic dianhydride and thionyl chloride as raw key material, 2,5-bis(methoxycarbonyl)terephthaloyl chloride was synthesized.
以氯化亚矾及均苯四酐为主要原料通过酰氯法合成了对位均苯二
二酰氯。
Many popular mouthwashes contain flavor oils, including menthol, eucalyptol and methyl salicylate (wintergreen oil).
而许多常用的漱口药水则含有芳香,包括薄荷脑、桉叶醇以及柳
(冬青
)。
(-)-Methyl mandelate was produced by asymmetric reduction of methyl benzoylformate catalyzed by Saccharomyces cerevisiae LH1 screcned by our laboratory.
采用本实验室筛选到的酿酒酵母LH1催化苯酰
不对称合成(R)-(-)-扁桃
。
This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.
本文综述了光气下游精细化学品的开发及进展,包括二苯
酮类、氯代
类、异氰
类、酰氯类、碳
类化合物。
It is ascertained that the PABA may be N-dimethylated using dimethyl sulfate as a methylation agent.
确定以硫二
为N——
基化剂,对对氨基苯
PABA进行N——二
基化.
The polyester or copolyester can be converted into dimethyl terephthalate of binary acid and glycol by method of methanolysis.
介绍用醇醇解法把聚
或共聚
解聚成二元
二
和二元醇。
The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.
概述了4-羟基香豆素的合成方法,重点介绍了苯酚法,乙酰水杨法,水杨
法,邻羟基苯乙酮法。
The catalysts and reaction conditions have been studied for esterinterenange between propenyl carbonate and methanol to produce dimethyl carbonate (DMC).
研究了碳丙烯
和
醇经
交换制备碳
二
的催化剂及反应工艺条件。
A series of toxic products were produced after photocatalysis on ethanol, such as acetaldehyde, ethyl formate, ethyl acetate, diethoxymethane, 1,1-diethoxyethane.
如乙醇的反应物包括乙醛,乙
乙
,乙
,缩醛等一系列有害物质。
Two kinds of bis-hydroxyalkyl or bis-methyl formylate subtituted bis-ethylenedithio-tetrathiafulvalenes (BEDT-TTF) and their charger-transfer complexes (CT-complexes ) with TCNQ were synthesized.
合成了带双羟烷基及双基取代的两种双二硫代亚乙基四硫代富瓦烯(BEDT-TTF)的衍
物及其它们与TCNQ的CT-络合物。
It can also be prepared by reaction of bromochloromethane with sodium thiocyanate to obtain chloromethyl thiocyanate, and then it reacts with 2-mercapto-benzothiazole.
另一种2-巯基苯并噻唑法是先将溴氯烷与硫氰化钠反应
成硫氰
氯
,然后硫氰
氯
与2-巯基苯并噻唑反应得到苯噻氰。
P-hydroxyacetophenone combined with methyl chloroacetate can get a new acetonate.This new acetonate combined with another compound-ethanolamine and get a new schiff base.
由对羟基苯乙酮与氯乙反应,得到一种酮,这种酮再与乙醇胺反应得到一种新的希夫碱。
Phragmoplast of coil coating has been prepared by free radical polymerization and by using acrylic acid,methyl methacrylate,butyl acrylate as the raw materials.
以丙烯、丙烯
丁
和
基丙烯
为单体,采用自由基聚合法制备了聚丙烯
卷材涂料前驱成膜物,获得了适宜的制备工艺条件。
The results showed that in this process of alkaline hydrolysis the demethylation of poly(methyl glutamate)was faster, but debenzylation of poly(benzyl glutamate) was hardly processed.
谷氨均聚物碱解较快,而谷氨
苄
均聚物与稀碱在室温下反应很小。
Tussore oil was extracted by chemical .The fatty acid (FA) in tussore oil was saponificated and modified to methyl esters by different means .
研究了脂肪的衍
化、三氟化硼、硫
3种不同方法对脂肪
的皂化、
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。
Etodolac was synthesized with 7-ethyltryptophol and methyl 3-oxopentanoate as the starting materials.Highly pure etodolac was obtained by purifying the crude product with a mixing solvent.
以7-乙基色醇和3-氧代戊为起始原料,以
醇为溶剂,合成了依托度
.采用混合溶剂对粗品进行精制,得到了高纯度的依托度
.
声明:以上例句、词性分类均由互联网资源自动成,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。
This investigation provided an environment-friendly process for the synthesis of methyl anthranilate.
摘要提供了一种环境友好的合成工艺制备料邻氨基苯甲酸甲
。
Objective: To study the simple synthetic methods of chloromethyl pivalate.
目的探讨合成特戊酸氯甲的简便工艺方法。
The main products of PET supercritical methanolysis are dimethyl terephthalate(DMT) and ethylene glycol(EG).
红外光谱检测解聚产物是纯度很高的苯二甲酸二甲
(DMT)单体和乙二醇。
Anisic acid is separated from the residue of producing anisic aldehyde and synthetized methyl anisate.
油生产
醛的废渣、废液中提取副产品
酸,合成
酸甲
。
Taking pyromellitic dianhydride and thionyl chloride as raw key material, 2,5-bis(methoxycarbonyl)terephthaloyl chloride was synthesized.
以氯化亚矾及均苯四甲酸酐为主要原料通过酰氯法合成了位均苯二甲
二酰氯。
Many popular mouthwashes contain flavor oils, including menthol, eucalyptol and methyl salicylate (wintergreen oil).
而许多常用的漱口药水则含有芳油,包括薄荷脑、桉叶醇以及柳酸甲
(冬青油)。
(-)-Methyl mandelate was produced by asymmetric reduction of methyl benzoylformate catalyzed by Saccharomyces cerevisiae LH1 screcned by our laboratory.
采用本实验室筛选到的酿酒酵母LH1催化苯甲酰甲酸甲称合成(R)-(-)-扁桃酸甲
。
This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.
本文综述了光气下游精细化学品的开发及生产进展,包括二苯甲酮类、氯代甲类、异氰酸
类、酰氯类、碳酸
类化合物。
It is ascertained that the PABA may be N-dimethylated using dimethyl sulfate as a methylation agent.
确定以硫酸二甲为N——甲基化剂,
氨基苯甲酸PABA进行N——二甲基化.
The polyester or copolyester can be converted into dimethyl terephthalate of binary acid and glycol by method of methanolysis.
介绍用甲醇醇解法把聚或共聚
解聚成二元酸二甲
和二元醇。
The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.
概述了4-羟基豆素的合成方法,重点介绍了苯酚法,乙酰水杨酸法,水杨酸甲
法,邻羟基苯乙酮法。
The catalysts and reaction conditions have been studied for esterinterenange between propenyl carbonate and methanol to produce dimethyl carbonate (DMC).
研究了碳酸丙烯和甲醇经
交换制备碳酸二甲
的催化剂及反应工艺条件。
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醛,乙酸乙,乙酸甲
,缩醛等一系列有害物质。
Two kinds of bis-hydroxyalkyl or bis-methyl formylate subtituted bis-ethylenedithio-tetrathiafulvalenes (BEDT-TTF) and their charger-transfer complexes (CT-complexes ) with TCNQ were synthesized.
合成了带双羟烷基及双甲酸甲基取代的两种双二硫代亚乙基四硫代富瓦烯(BEDT-TTF)的衍生物及其它们与TCNQ的CT-络合物。
It can also be prepared by reaction of bromochloromethane with sodium thiocyanate to obtain chloromethyl thiocyanate, and then it reacts with 2-mercapto-benzothiazole.
另一种2-巯基苯并噻唑法是先将溴氯甲烷与硫氰化钠反应生成硫氰酸氯甲,然后硫氰酸氯甲
与2-巯基苯并噻唑反应得到苯噻氰。
P-hydroxyacetophenone combined with methyl chloroacetate can get a new acetonate.This new acetonate combined with another compound-ethanolamine and get a new schiff base.
由羟基苯乙酮与氯乙酸甲
反应,得到一种酮,这种酮再与乙醇胺反应得到一种新的希夫碱。
Phragmoplast of coil coating has been prepared by free radical polymerization and by using acrylic acid,methyl methacrylate,butyl acrylate as the raw materials.
以丙烯酸、丙烯酸丁和甲基丙烯酸甲
为单体,采用自由基聚合法制备了聚丙烯酸卷材涂料前驱成膜物,获得了适宜的制备工艺条件。
The results showed that in this process of alkaline hydrolysis the demethylation of poly(methyl glutamate)was faster, but debenzylation of poly(benzyl glutamate) was hardly processed.
谷氨酸甲均聚物碱解较快,而谷氨酸苄
均聚物与稀碱在室温下反应很小。
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种同方法
脂肪油的皂化、甲
化效果,并用GC/MS法
柞蚕中脂肪酸的成分进行了鉴定和分析。
Etodolac was synthesized with 7-ethyltryptophol and methyl 3-oxopentanoate as the starting materials.Highly pure etodolac was obtained by purifying the crude product with a mixing solvent.
以7-乙基色醇和3-氧代戊酸甲为起始原料,以甲醇为溶剂,合成了依托度酸.采用混合溶剂
粗品进行精制,得到了高纯度的依托度酸.
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,其表达内容亦代表本软件的观点;若发现问题,欢迎向我们指正。
This investigation provided an environment-friendly process for the synthesis of methyl anthranilate.
摘要提供了一种环境友好的合成工艺制备香料邻氨基苯甲酸甲。
Objective: To study the simple synthetic methods of chloromethyl pivalate.
目的探讨合成特戊酸甲
的简便工艺方法。
The main products of PET supercritical methanolysis are dimethyl terephthalate(DMT) and ethylene glycol(EG).
红外光谱检测解聚产物是纯度很高的对苯二甲酸二甲(DMT)单体和乙二醇。
Anisic acid is separated from the residue of producing anisic aldehyde and synthetized methyl anisate.
从茴香油生产茴香醛的废渣、废液中提取副产品茴香酸,合成茴香酸甲。
Taking pyromellitic dianhydride and thionyl chloride as raw key material, 2,5-bis(methoxycarbonyl)terephthaloyl chloride was synthesized.
以化亚矾及均苯四甲酸酐为主要原料通
法合成了对位均苯二甲
二
。
Many popular mouthwashes contain flavor oils, including menthol, eucalyptol and methyl salicylate (wintergreen oil).
而许多常用的漱则含有芳香油,包括薄荷脑、桉叶醇以及柳酸甲
(冬青油)。
(-)-Methyl mandelate was produced by asymmetric reduction of methyl benzoylformate catalyzed by Saccharomyces cerevisiae LH1 screcned by our laboratory.
采用本实验室筛选到的酿酒酵母LH1催化苯甲甲酸甲
不对称合成(R)-(-)-扁桃酸甲
。
This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.
本文综述了光气下游精细化学品的开发及生产进展,包括二苯甲酮类、代甲
类、异氰酸
类、
类、碳酸
类化合物。
It is ascertained that the PABA may be N-dimethylated using dimethyl sulfate as a methylation agent.
确定以硫酸二甲为N——甲基化剂,对对氨基苯甲酸PABA进行N——二甲基化.
The polyester or copolyester can be converted into dimethyl terephthalate of binary acid and glycol by method of methanolysis.
介绍用甲醇醇解法把聚或共聚
解聚成二元酸二甲
和二元醇。
The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.
概述了4-羟基香豆素的合成方法,重点介绍了苯酚法,乙杨酸法,
杨酸甲
法,邻羟基苯乙酮法。
The catalysts and reaction conditions have been studied for esterinterenange between propenyl carbonate and methanol to produce dimethyl carbonate (DMC).
研究了碳酸丙烯和甲醇经
交换制备碳酸二甲
的催化剂及反应工艺条件。
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醛,乙酸乙,乙酸甲
,缩醛等一系列有害物质。
Two kinds of bis-hydroxyalkyl or bis-methyl formylate subtituted bis-ethylenedithio-tetrathiafulvalenes (BEDT-TTF) and their charger-transfer complexes (CT-complexes ) with TCNQ were synthesized.
合成了带双羟烷基及双甲酸甲基取代的两种双二硫代亚乙基四硫代富瓦烯(BEDT-TTF)的衍生物及其它们与TCNQ的CT-络合物。
It can also be prepared by reaction of bromochloromethane with sodium thiocyanate to obtain chloromethyl thiocyanate, and then it reacts with 2-mercapto-benzothiazole.
另一种2-巯基苯并噻唑法是先将溴甲烷与硫氰化钠反应生成硫氰酸
甲
,然后硫氰酸
甲
与2-巯基苯并噻唑反应得到苯噻氰。
P-hydroxyacetophenone combined with methyl chloroacetate can get a new acetonate.This new acetonate combined with another compound-ethanolamine and get a new schiff base.
由对羟基苯乙酮与乙酸甲
反应,得到一种酮,这种酮再与乙醇胺反应得到一种新的希夫碱。
Phragmoplast of coil coating has been prepared by free radical polymerization and by using acrylic acid,methyl methacrylate,butyl acrylate as the raw materials.
以丙烯酸、丙烯酸丁和甲基丙烯酸甲
为单体,采用自由基聚合法制备了聚丙烯酸卷材涂料前驱成膜物,获得了适宜的制备工艺条件。
The results showed that in this process of alkaline hydrolysis the demethylation of poly(methyl glutamate)was faster, but debenzylation of poly(benzyl glutamate) was hardly processed.
谷氨酸甲均聚物碱解较快,而谷氨酸苄
均聚物与稀碱在室温下反应很小。
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。
Etodolac was synthesized with 7-ethyltryptophol and methyl 3-oxopentanoate as the starting materials.Highly pure etodolac was obtained by purifying the crude product with a mixing solvent.
以7-乙基色醇和3-氧代戊酸甲为起始原料,以甲醇为溶剂,合成了依托度酸.采用混合溶剂对粗品进行精制,得到了高纯度的依托度酸.
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。
This investigation provided an environment-friendly process for the synthesis of methyl anthranilate.
摘要提供了一种环境友好的合成工艺制备香料邻氨基苯甲甲
。
Objective: To study the simple synthetic methods of chloromethyl pivalate.
目的探讨合成特戊甲
的简便工艺方法。
The main products of PET supercritical methanolysis are dimethyl terephthalate(DMT) and ethylene glycol(EG).
红外光谱检测解聚产物是纯度很高的对苯二甲二甲
(DMT)单体和乙二醇。
Anisic acid is separated from the residue of producing anisic aldehyde and synthetized methyl anisate.
从茴香油生产茴香醛的废渣、废液中提取副产品茴香,合成茴香
甲
。
Taking pyromellitic dianhydride and thionyl chloride as raw key material, 2,5-bis(methoxycarbonyl)terephthaloyl chloride was synthesized.
亚矾
均苯四甲
酐为主要原料通过酰
法合成了对位均苯二甲
二酰
。
Many popular mouthwashes contain flavor oils, including menthol, eucalyptol and methyl salicylate (wintergreen oil).
而许多常用的漱口药水则含有芳香油,包括薄荷脑、桉叶醇甲
(冬青油)。
(-)-Methyl mandelate was produced by asymmetric reduction of methyl benzoylformate catalyzed by Saccharomyces cerevisiae LH1 screcned by our laboratory.
采用本实验室筛选到的酿酒酵母LH1催苯甲酰甲
甲
不对称合成(R)-(-)-扁桃
甲
。
This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.
本文综述了光气下游精细学品的开发
生产进展,包括二苯甲酮类、
代甲
类、异氰
类、酰
类、碳
类
合物。
It is ascertained that the PABA may be N-dimethylated using dimethyl sulfate as a methylation agent.
确定硫
二甲
为N——甲基
剂,对对氨基苯甲
PABA进行N——二甲基
.
The polyester or copolyester can be converted into dimethyl terephthalate of binary acid and glycol by method of methanolysis.
介绍用甲醇醇解法把聚或共聚
解聚成二元
二甲
和二元醇。
The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.
概述了4-羟基香豆素的合成方法,重点介绍了苯酚法,乙酰水杨法,水杨
甲
法,邻羟基苯乙酮法。
The catalysts and reaction conditions have been studied for esterinterenange between propenyl carbonate and methanol to produce dimethyl carbonate (DMC).
研究了碳丙烯
和甲醇经
交换制备碳
二甲
的催
剂
反应工艺条件。
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醛,乙乙
,乙
甲
,缩醛等一系列有害物质。
Two kinds of bis-hydroxyalkyl or bis-methyl formylate subtituted bis-ethylenedithio-tetrathiafulvalenes (BEDT-TTF) and their charger-transfer complexes (CT-complexes ) with TCNQ were synthesized.
合成了带双羟烷基双甲
甲
基取代的两种双二硫代亚乙基四硫代富瓦烯(BEDT-TTF)的衍生物
其它们与TCNQ的CT-络合物。
It can also be prepared by reaction of bromochloromethane with sodium thiocyanate to obtain chloromethyl thiocyanate, and then it reacts with 2-mercapto-benzothiazole.
另一种2-巯基苯并噻唑法是先将溴甲烷与硫氰
钠反应生成硫氰
甲
,然后硫氰
甲
与2-巯基苯并噻唑反应得到苯噻氰。
P-hydroxyacetophenone combined with methyl chloroacetate can get a new acetonate.This new acetonate combined with another compound-ethanolamine and get a new schiff base.
由对羟基苯乙酮与乙
甲
反应,得到一种酮,这种酮再与乙醇胺反应得到一种新的希夫碱。
Phragmoplast of coil coating has been prepared by free radical polymerization and by using acrylic acid,methyl methacrylate,butyl acrylate as the raw materials.
丙烯
、丙烯
丁
和甲基丙烯
甲
为单体,采用自由基聚合法制备了聚丙烯
卷材涂料前驱成膜物,获得了适宜的制备工艺条件。
The results showed that in this process of alkaline hydrolysis the demethylation of poly(methyl glutamate)was faster, but debenzylation of poly(benzyl glutamate) was hardly processed.
谷氨甲
均聚物碱解较快,而谷氨
苄
均聚物与稀碱在室温下反应很小。
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、三氟
硼、硫
3种不同方法对脂肪油的皂
、甲
效果,并用GC/MS法对柞蚕中脂肪
的成分进行了鉴定和分析。
Etodolac was synthesized with 7-ethyltryptophol and methyl 3-oxopentanoate as the starting materials.Highly pure etodolac was obtained by purifying the crude product with a mixing solvent.
7-乙基色醇和3-氧代戊
甲
为起始原料,
甲醇为溶剂,合成了依托度
.采用混合溶剂对粗品进行精制,得到了高纯度的依托度
.
声明: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。
This investigation provided an environment-friendly process for the synthesis of methyl anthranilate.
摘要提供一种环境友好的合
工艺制备香料邻氨基苯甲酸甲
。
Objective: To study the simple synthetic methods of chloromethyl pivalate.
目的探讨合特戊酸氯甲
的简便工艺方法。
The main products of PET supercritical methanolysis are dimethyl terephthalate(DMT) and ethylene glycol(EG).
红外光谱检测解聚产物是纯度很高的苯二甲酸二甲
(DMT)单体和乙二醇。
Anisic acid is separated from the residue of producing anisic aldehyde and synthetized methyl anisate.
从茴香油生产茴香醛的废渣、废液中提取副产品茴香酸,合茴香酸甲
。
Taking pyromellitic dianhydride and thionyl chloride as raw key material, 2,5-bis(methoxycarbonyl)terephthaloyl chloride was synthesized.
以氯化亚矾及均苯四甲酸酐为主要原料通过酰氯法合位均苯二甲
二酰氯。
Many popular mouthwashes contain flavor oils, including menthol, eucalyptol and methyl salicylate (wintergreen oil).
而许的漱口药水则含有芳香油,包括薄荷脑、桉叶醇以及柳酸甲
(冬青油)。
(-)-Methyl mandelate was produced by asymmetric reduction of methyl benzoylformate catalyzed by Saccharomyces cerevisiae LH1 screcned by our laboratory.
采本实验室筛选到的酿酒酵母LH1催化苯甲酰甲酸甲
不
称合
(R)-(-)-扁桃酸甲
。
This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.
本文综述光气下游精细化学品的开发及生产进展,包括二苯甲酮类、氯代甲
类、异氰酸
类、酰氯类、碳酸
类化合物。
It is ascertained that the PABA may be N-dimethylated using dimethyl sulfate as a methylation agent.
确定以硫酸二甲为N——甲基化剂,
氨基苯甲酸PABA进行N——二甲基化.
The polyester or copolyester can be converted into dimethyl terephthalate of binary acid and glycol by method of methanolysis.
介绍甲醇醇解法把聚
或共聚
解聚
二元酸二甲
和二元醇。
The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.
概述4-羟基香豆素的合
方法,重点介绍
苯酚法,乙酰水杨酸法,水杨酸甲
法,邻羟基苯乙酮法。
The catalysts and reaction conditions have been studied for esterinterenange between propenyl carbonate and methanol to produce dimethyl carbonate (DMC).
研究碳酸丙烯
和甲醇经
交换制备碳酸二甲
的催化剂及反应工艺条件。
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醛,乙酸乙,乙酸甲
,缩醛等一系列有害物质。
Two kinds of bis-hydroxyalkyl or bis-methyl formylate subtituted bis-ethylenedithio-tetrathiafulvalenes (BEDT-TTF) and their charger-transfer complexes (CT-complexes ) with TCNQ were synthesized.
合带双羟烷基及双甲酸甲
基取代的两种双二硫代亚乙基四硫代富瓦烯(BEDT-TTF)的衍生物及其它们与TCNQ的CT-络合物。
It can also be prepared by reaction of bromochloromethane with sodium thiocyanate to obtain chloromethyl thiocyanate, and then it reacts with 2-mercapto-benzothiazole.
另一种2-巯基苯并噻唑法是先将溴氯甲烷与硫氰化钠反应生硫氰酸氯甲
,然后硫氰酸氯甲
与2-巯基苯并噻唑反应得到苯噻氰。
P-hydroxyacetophenone combined with methyl chloroacetate can get a new acetonate.This new acetonate combined with another compound-ethanolamine and get a new schiff base.
由羟基苯乙酮与氯乙酸甲
反应,得到一种酮,这种酮再与乙醇胺反应得到一种新的希夫碱。
Phragmoplast of coil coating has been prepared by free radical polymerization and by using acrylic acid,methyl methacrylate,butyl acrylate as the raw materials.
以丙烯酸、丙烯酸丁和甲基丙烯酸甲
为单体,采
自由基聚合法制备
聚丙烯酸卷材涂料前驱
膜物,获得
适宜的制备工艺条件。
The results showed that in this process of alkaline hydrolysis the demethylation of poly(methyl glutamate)was faster, but debenzylation of poly(benzyl glutamate) was hardly processed.
谷氨酸甲均聚物碱解较快,而谷氨酸苄
均聚物与稀碱在室温下反应很小。
Tussore oil was extracted by chemical .The fatty acid (FA) in tussore oil was saponificated and modified to methyl esters by different means .
研究脂肪油的衍生化、三氟化硼、硫酸3种不同方法
脂肪油的皂化、甲
化效果,并
GC/MS法
柞蚕中脂肪酸的
分进行
鉴定和分析。
Etodolac was synthesized with 7-ethyltryptophol and methyl 3-oxopentanoate as the starting materials.Highly pure etodolac was obtained by purifying the crude product with a mixing solvent.
以7-乙基色醇和3-氧代戊酸甲为起始原料,以甲醇为溶剂,合
依托度酸.采
混合溶剂
粗品进行精制,得到
高纯度的依托度酸.
声明:以上例句、词性分类均由互联网资源自动生,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。
This investigation provided an environment-friendly process for the synthesis of methyl anthranilate.
摘要提供了一种环境友好的合成工艺制备香料邻氨基苯。
Objective: To study the simple synthetic methods of chloromethyl pivalate.
目的探讨合成特戊氯
的简便工艺方法。
The main products of PET supercritical methanolysis are dimethyl terephthalate(DMT) and ethylene glycol(EG).
红外光谱检测解聚产物是纯度很高的对苯二二
(DMT)单体和乙二醇。
Anisic acid is separated from the residue of producing anisic aldehyde and synthetized methyl anisate.
从茴香油生产茴香醛的废渣、废液中提取副产品茴香,合成茴香
。
Taking pyromellitic dianhydride and thionyl chloride as raw key material, 2,5-bis(methoxycarbonyl)terephthaloyl chloride was synthesized.
以氯化亚矾及均苯酐为主要原料通过酰氯法合成了对位均苯二
二酰氯。
Many popular mouthwashes contain flavor oils, including menthol, eucalyptol and methyl salicylate (wintergreen oil).
而许多常用的漱口药水则含有芳香油,包脑、桉叶醇以及柳
(冬青油)。
(-)-Methyl mandelate was produced by asymmetric reduction of methyl benzoylformate catalyzed by Saccharomyces cerevisiae LH1 screcned by our laboratory.
采用本实验室筛选到的酿酒酵母LH1催化苯酰
不对称合成(R)-(-)-扁桃
。
This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.
本文综述了光气下游精细化学品的开发及生产进展,包二苯
酮类、氯代
类、异氰
类、酰氯类、碳
类化合物。
It is ascertained that the PABA may be N-dimethylated using dimethyl sulfate as a methylation agent.
确定以硫二
为N——
基化剂,对对氨基苯
PABA进行N——二
基化.
The polyester or copolyester can be converted into dimethyl terephthalate of binary acid and glycol by method of methanolysis.
介绍用醇醇解法把聚
或共聚
解聚成二元
二
和二元醇。
The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.
概述了4-羟基香豆素的合成方法,重点介绍了苯酚法,乙酰水杨法,水杨
法,邻羟基苯乙酮法。
The catalysts and reaction conditions have been studied for esterinterenange between propenyl carbonate and methanol to produce dimethyl carbonate (DMC).
研究了碳丙烯
和
醇经
交换制备碳
二
的催化剂及反应工艺条件。
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乙醛,乙
乙
,乙
,缩醛等一系列有害物质。
Two kinds of bis-hydroxyalkyl or bis-methyl formylate subtituted bis-ethylenedithio-tetrathiafulvalenes (BEDT-TTF) and their charger-transfer complexes (CT-complexes ) with TCNQ were synthesized.
合成了带双羟烷基及双基取代的两种双二硫代亚乙基
硫代富瓦烯(BEDT-TTF)的衍生物及其它们与TCNQ的CT-络合物。
It can also be prepared by reaction of bromochloromethane with sodium thiocyanate to obtain chloromethyl thiocyanate, and then it reacts with 2-mercapto-benzothiazole.
另一种2-巯基苯并噻唑法是先将溴氯烷与硫氰化钠反应生成硫氰
氯
,然后硫氰
氯
与2-巯基苯并噻唑反应得到苯噻氰。
P-hydroxyacetophenone combined with methyl chloroacetate can get a new acetonate.This new acetonate combined with another compound-ethanolamine and get a new schiff base.
由对羟基苯乙酮与氯乙反应,得到一种酮,这种酮再与乙醇胺反应得到一种新的希夫碱。
Phragmoplast of coil coating has been prepared by free radical polymerization and by using acrylic acid,methyl methacrylate,butyl acrylate as the raw materials.
以丙烯、丙烯
丁
和
基丙烯
为单体,采用自由基聚合法制备了聚丙烯
卷材涂料前驱成膜物,获得了适宜的制备工艺条件。
The results showed that in this process of alkaline hydrolysis the demethylation of poly(methyl glutamate)was faster, but debenzylation of poly(benzyl glutamate) was hardly processed.
谷氨均聚物碱解较快,而谷氨
苄
均聚物与稀碱在室温下反应很小。
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、
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。
Etodolac was synthesized with 7-ethyltryptophol and methyl 3-oxopentanoate as the starting materials.Highly pure etodolac was obtained by purifying the crude product with a mixing solvent.
以7-乙基色醇和3-氧代戊为起始原料,以
醇为溶剂,合成了依托度
.采用混合溶剂对粗品进行精制,得到了高纯度的依托度
.
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。
This investigation provided an environment-friendly process for the synthesis of methyl anthranilate.
摘要提供了一种环境友好的合成工艺制备香料邻氨基苯甲甲
。
Objective: To study the simple synthetic methods of chloromethyl pivalate.
目的探讨合成氯甲
的简便工艺方法。
The main products of PET supercritical methanolysis are dimethyl terephthalate(DMT) and ethylene glycol(EG).
红外光谱检测解聚产物是纯度很高的对苯二甲二甲
(DMT)单体和乙二醇。
Anisic acid is separated from the residue of producing anisic aldehyde and synthetized methyl anisate.
从茴香油生产茴香醛的废渣、废液中提取副产品茴香,合成茴香
甲
。
Taking pyromellitic dianhydride and thionyl chloride as raw key material, 2,5-bis(methoxycarbonyl)terephthaloyl chloride was synthesized.
以氯化亚矾及均苯四甲酐为主要原料通过酰氯法合成了对位均苯二甲
二酰氯。
Many popular mouthwashes contain flavor oils, including menthol, eucalyptol and methyl salicylate (wintergreen oil).
而许多常用的漱口药水则含有芳香油,包括薄荷脑、桉叶醇以及柳甲
(冬青油)。
(-)-Methyl mandelate was produced by asymmetric reduction of methyl benzoylformate catalyzed by Saccharomyces cerevisiae LH1 screcned by our laboratory.
采用本实验室筛选到的酿酒酵母LH1催化苯甲酰甲甲
不对称合成(R)-(-)-扁桃
甲
。
This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.
本文综述了光气下游精细化学品的开发及生产进展,包括二苯甲酮、氯代甲
、
氰
、酰氯
、碳
化合物。
It is ascertained that the PABA may be N-dimethylated using dimethyl sulfate as a methylation agent.
确定以硫二甲
为N——甲基化剂,对对氨基苯甲
PABA进行N——二甲基化.
The polyester or copolyester can be converted into dimethyl terephthalate of binary acid and glycol by method of methanolysis.
介绍用甲醇醇解法把聚或共聚
解聚成二元
二甲
和二元醇。
The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.
概述了4-羟基香豆素的合成方法,重点介绍了苯酚法,乙酰水杨法,水杨
甲
法,邻羟基苯乙酮法。
The catalysts and reaction conditions have been studied for esterinterenange between propenyl carbonate and methanol to produce dimethyl carbonate (DMC).
研究了碳丙烯
和甲醇经
交换制备碳
二甲
的催化剂及反应工艺条件。
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醛,乙乙
,乙
甲
,缩醛等一系列有害物质。
Two kinds of bis-hydroxyalkyl or bis-methyl formylate subtituted bis-ethylenedithio-tetrathiafulvalenes (BEDT-TTF) and their charger-transfer complexes (CT-complexes ) with TCNQ were synthesized.
合成了带双羟烷基及双甲甲
基取代的两种双二硫代亚乙基四硫代富瓦烯(BEDT-TTF)的衍生物及其它们与TCNQ的CT-络合物。
It can also be prepared by reaction of bromochloromethane with sodium thiocyanate to obtain chloromethyl thiocyanate, and then it reacts with 2-mercapto-benzothiazole.
另一种2-巯基苯并噻唑法是先将溴氯甲烷与硫氰化钠反应生成硫氰氯甲
,然后硫氰
氯甲
与2-巯基苯并噻唑反应得到苯噻氰。
P-hydroxyacetophenone combined with methyl chloroacetate can get a new acetonate.This new acetonate combined with another compound-ethanolamine and get a new schiff base.
由对羟基苯乙酮与氯乙甲
反应,得到一种酮,这种酮再与乙醇胺反应得到一种新的希夫碱。
Phragmoplast of coil coating has been prepared by free radical polymerization and by using acrylic acid,methyl methacrylate,butyl acrylate as the raw materials.
以丙烯、丙烯
丁
和甲基丙烯
甲
为单体,采用自由基聚合法制备了聚丙烯
卷材涂料前驱成膜物,获得了适宜的制备工艺条件。
The results showed that in this process of alkaline hydrolysis the demethylation of poly(methyl glutamate)was faster, but debenzylation of poly(benzyl glutamate) was hardly processed.
谷氨甲
均聚物碱解较快,而谷氨
苄
均聚物与稀碱在室温下反应很小。
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。
Etodolac was synthesized with 7-ethyltryptophol and methyl 3-oxopentanoate as the starting materials.Highly pure etodolac was obtained by purifying the crude product with a mixing solvent.
以7-乙基色醇和3-氧代甲
为起始原料,以甲醇为溶剂,合成了依托度
.采用混合溶剂对粗品进行精制,得到了高纯度的依托度
.
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的观点;若发现问题,欢迎向我们指正。
This investigation provided an environment-friendly process for the synthesis of methyl anthranilate.
摘要提供了一种环境友好的合成工艺制备香料邻氨基苯甲酸甲。
Objective: To study the simple synthetic methods of chloromethyl pivalate.
目的探讨合成特戊酸氯甲的简便工艺方法。
The main products of PET supercritical methanolysis are dimethyl terephthalate(DMT) and ethylene glycol(EG).
红外光谱检测解聚产物是纯度很高的对苯二甲酸二甲(DMT)单体和乙二
。
Anisic acid is separated from the residue of producing anisic aldehyde and synthetized methyl anisate.
从茴香油生产茴香醛的废渣、废液中提取副产品茴香酸,合成茴香酸甲。
Taking pyromellitic dianhydride and thionyl chloride as raw key material, 2,5-bis(methoxycarbonyl)terephthaloyl chloride was synthesized.
氯化
均苯四甲酸酐为主要原料通过酰氯法合成了对位均苯二甲
二酰氯。
Many popular mouthwashes contain flavor oils, including menthol, eucalyptol and methyl salicylate (wintergreen oil).
而许多常用的漱口药水则含有芳香油,包括薄荷脑、桉柳酸甲
(冬青油)。
(-)-Methyl mandelate was produced by asymmetric reduction of methyl benzoylformate catalyzed by Saccharomyces cerevisiae LH1 screcned by our laboratory.
采用本实验室筛选到的酿酒酵母LH1催化苯甲酰甲酸甲不对称合成(R)-(-)-扁桃酸甲
。
This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.
本文综述了光气下游精细化学品的开发生产进展,包括二苯甲酮类、氯代甲
类、异氰酸
类、酰氯类、碳酸
类化合物。
It is ascertained that the PABA may be N-dimethylated using dimethyl sulfate as a methylation agent.
确定硫酸二甲
为N——甲基化剂,对对氨基苯甲酸PABA进行N——二甲基化.
The polyester or copolyester can be converted into dimethyl terephthalate of binary acid and glycol by method of methanolysis.
介绍用甲解法把聚
或共聚
解聚成二元酸二甲
和二元
。
The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.
概述了4-羟基香豆素的合成方法,重点介绍了苯酚法,乙酰水杨酸法,水杨酸甲法,邻羟基苯乙酮法。
The catalysts and reaction conditions have been studied for esterinterenange between propenyl carbonate and methanol to produce dimethyl carbonate (DMC).
研究了碳酸丙烯和甲
经
交换制备碳酸二甲
的催化剂
反应工艺条件。
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醛,乙酸乙
,乙酸甲
,缩醛等一系列有害物质。
Two kinds of bis-hydroxyalkyl or bis-methyl formylate subtituted bis-ethylenedithio-tetrathiafulvalenes (BEDT-TTF) and their charger-transfer complexes (CT-complexes ) with TCNQ were synthesized.
合成了带双羟烷基双甲酸甲
基取代的两种双二硫代
乙基四硫代富瓦烯(BEDT-TTF)的衍生物
其它们与TCNQ的CT-络合物。
It can also be prepared by reaction of bromochloromethane with sodium thiocyanate to obtain chloromethyl thiocyanate, and then it reacts with 2-mercapto-benzothiazole.
另一种2-巯基苯并噻唑法是先将溴氯甲烷与硫氰化钠反应生成硫氰酸氯甲,然后硫氰酸氯甲
与2-巯基苯并噻唑反应得到苯噻氰。
P-hydroxyacetophenone combined with methyl chloroacetate can get a new acetonate.This new acetonate combined with another compound-ethanolamine and get a new schiff base.
由对羟基苯乙酮与氯乙酸甲反应,得到一种酮,这种酮再与乙
胺反应得到一种新的希夫碱。
Phragmoplast of coil coating has been prepared by free radical polymerization and by using acrylic acid,methyl methacrylate,butyl acrylate as the raw materials.
丙烯酸、丙烯酸丁
和甲基丙烯酸甲
为单体,采用自由基聚合法制备了聚丙烯酸卷材涂料前驱成膜物,获得了适宜的制备工艺条件。
The results showed that in this process of alkaline hydrolysis the demethylation of poly(methyl glutamate)was faster, but debenzylation of poly(benzyl glutamate) was hardly processed.
谷氨酸甲均聚物碱解较快,而谷氨酸苄
均聚物与稀碱在室温下反应很小。
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。
Etodolac was synthesized with 7-ethyltryptophol and methyl 3-oxopentanoate as the starting materials.Highly pure etodolac was obtained by purifying the crude product with a mixing solvent.
7-乙基色
和3-氧代戊酸甲
为起始原料,
甲
为溶剂,合成了依托度酸.采用混合溶剂对粗品进行精制,得到了高纯度的依托度酸.
声明: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。
This investigation provided an environment-friendly process for the synthesis of methyl anthranilate.
摘要提供了一种环境友好的合成工艺制备香料邻氨苯
酸
。
Objective: To study the simple synthetic methods of chloromethyl pivalate.
目的探讨合成特戊酸氯的简便工艺方法。
The main products of PET supercritical methanolysis are dimethyl terephthalate(DMT) and ethylene glycol(EG).
红外光谱检测解聚产物是纯度很高的对苯二酸二
(DMT)单体和乙二醇。
Anisic acid is separated from the residue of producing anisic aldehyde and synthetized methyl anisate.
从茴香油生产茴香醛的废渣、废液中提取副产品茴香酸,合成茴香酸。
Taking pyromellitic dianhydride and thionyl chloride as raw key material, 2,5-bis(methoxycarbonyl)terephthaloyl chloride was synthesized.
以氯亚矾及均苯四
酸酐为主要原料通过酰氯法合成了对位均苯二
二酰氯。
Many popular mouthwashes contain flavor oils, including menthol, eucalyptol and methyl salicylate (wintergreen oil).
而许多常用的漱口药水则含有芳香油,包括薄荷脑、桉叶醇以及柳酸(冬青油)。
(-)-Methyl mandelate was produced by asymmetric reduction of methyl benzoylformate catalyzed by Saccharomyces cerevisiae LH1 screcned by our laboratory.
采用本实验室筛选到的酿酒酵母LH1催苯
酰
酸
不对称合成(R)-(-)-扁桃酸
。
This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.
本文综述了光气下游精细学品的开发及生产进展,包括二苯
酮类、氯代
类、异氰酸
类、酰氯类、碳酸
类
合物。
It is ascertained that the PABA may be N-dimethylated using dimethyl sulfate as a methylation agent.
确定以硫酸二为N——
剂,对对氨
苯
酸PABA进行N——二
.
The polyester or copolyester can be converted into dimethyl terephthalate of binary acid and glycol by method of methanolysis.
介绍用醇醇解法把聚
或共聚
解聚成二元酸二
和二元醇。
The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.
概述了4-羟香豆素的合成方法,重点介绍了苯酚法,乙酰水杨酸法,水杨酸
法,邻羟
苯乙酮法。
The catalysts and reaction conditions have been studied for esterinterenange between propenyl carbonate and methanol to produce dimethyl carbonate (DMC).
研究了碳酸丙烯和
醇经
交换制备碳酸二
的催
剂及反应工艺条件。
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醛,乙酸乙,乙酸
,缩醛等一系列有害物质。
Two kinds of bis-hydroxyalkyl or bis-methyl formylate subtituted bis-ethylenedithio-tetrathiafulvalenes (BEDT-TTF) and their charger-transfer complexes (CT-complexes ) with TCNQ were synthesized.
合成了带双羟烷及双
酸
取代的两种双二硫代亚乙
四硫代富瓦烯(BEDT-TTF)的衍生物及其它们与TCNQ的CT-络合物。
It can also be prepared by reaction of bromochloromethane with sodium thiocyanate to obtain chloromethyl thiocyanate, and then it reacts with 2-mercapto-benzothiazole.
另一种2-巯苯并噻唑法是先将溴氯
烷与硫氰
钠反应生成硫氰酸氯
,然后硫氰酸氯
与2-巯
苯并噻唑反应得到苯噻氰。
P-hydroxyacetophenone combined with methyl chloroacetate can get a new acetonate.This new acetonate combined with another compound-ethanolamine and get a new schiff base.
由对羟苯乙酮与氯乙酸
反应,得到一种酮,这种酮再与乙醇胺反应得到一种新的希夫碱。
Phragmoplast of coil coating has been prepared by free radical polymerization and by using acrylic acid,methyl methacrylate,butyl acrylate as the raw materials.
以丙烯酸、丙烯酸丁和
丙烯酸
为单体,采用自由
聚合法制备了聚丙烯酸卷材涂料前驱成膜物,获得了适宜的制备工艺条件。
The results showed that in this process of alkaline hydrolysis the demethylation of poly(methyl glutamate)was faster, but debenzylation of poly(benzyl glutamate) was hardly processed.
谷氨酸均聚物碱解较快,而谷氨酸苄
均聚物与稀碱在室温下反应很小。
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、三氟
硼、硫酸3种不同方法对脂肪油的皂
、
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。
Etodolac was synthesized with 7-ethyltryptophol and methyl 3-oxopentanoate as the starting materials.Highly pure etodolac was obtained by purifying the crude product with a mixing solvent.
以7-乙色醇和3-氧代戊酸
为起始原料,以
醇为溶剂,合成了依托度酸.采用混合溶剂对粗品进行精制,得到了高纯度的依托度酸.
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。