N,N-diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.
以苯胺和溴烷为原
,用四
氢氧化铵作相转移催化剂,在常压下
N,N二
苯胺。
N,N-diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.
以苯胺和溴烷为原
,用四
氢氧化铵作相转移催化剂,在常压下
N,N二
苯胺。
The content of ethoxyl group in obtained product was 43.98%.
该法所得纤维素产品的
氧
含量为43.98%。
N,N-diethylaniline was synthesized from aniline with bromoethane using tetraethylammonium chloride as phase transfer catalyst under atmospheric presure.
用四氯化胺作相转移催化剂可在常压下由苯胺和溴
烷
N,N-二
苯胺。
The solvent effect on the synthesis of diethylaluminum azide(DEAA) from diethylaluminum chloride(DECA) and sodium azide(NaN3) is discussed.
以氯化二铝(DECA)和叠氮化钠为原
二
叠氮铝(DEAA)时,反应介质的溶剂性质不同,产物及其收率也不同。
Catalytic synthesis of phenetole by ethylation of phenol with diethyl carbonate(DEC)in fixed bed reactor was investigated.
以碳二
酯(DEC)为
化试剂,与苯酚在气固相条件下催化
苯
醚。
Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.
以BTEAC(苄氯化铵)为相转移催化剂
了异烟
酯。
The major components were Triphenylmethane, Phytol, n-Hexadecanoic acid, Phenol, 2,4,6-tris (1,1-dimethylethyl).And etc.
其主要分是
苯
-甲烷、叶绿醇、正十六碳
、2,4,6-
(1,1-二甲
)-苯酚等,这为进一步开发利用蒌蒿提供了科学依据。
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
用相分离进行包覆。
Objective:To study the preventive effect of Matrine(MT) and Oxymatrime(OMT)on rat hepatoma induced by diethylnitrosamine(DEN).
研究苦参碱(MT)和氧化苦参碱(OMT)分别对二亚硝胺(DEN)诱发大鼠肝癌的预防阻断作用。
Tetraethyl thiuram disulfide was synthesized one step from diethylamine and carbon bisulfide with hydrogen peroxide(27.5%) as oxidant.
以二胺和二硫化碳为原
,经双氧水(275%)氧化,一步
了四
秋兰姆化二硫。
The p-fluorophenoxy propionic acid was synthesized by p-fluorophenol and 3-chloropropanoic acid as row materials and transfer catalyzed by TEBA.
以对氟苯酚和3-氯丙为起始原
,用苄
氯化铵作为催化剂,经过相转移催化
对氟苯氧丙
。
By means of cyanoethylation and chlorination,wood sawdust was converted into thermoplastic material and then compounded with short sisal fibers.
通过氰化反应,使木粉转化
为热塑性材
,再与短切剑麻纤维混
,热压制得植物纤维增强塑化植物纤维
复
材
。
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.
了带双羟烷
及双甲
甲酯
取代的两种双二硫代亚
四硫代富瓦烯(BEDT-TTF)的衍生物及其它们与TCNQ的CT-络
物。
Trimethylaluminum(TMA),usually used in organic catalysis and organic synthesis,was synthesized by reaction of triethylaluminium (TEA) with methyl bromide on iron-stibonium complex catalyst.
用新的催化体系(铁-锑复催化剂)催化
铝(TEA)与溴甲烷进行烷
交换反应
甲
铝(TMA)。
The mixture was refined by sodium sulfide and sodium hydroxide to afford an O,O-diethyl thiophosphoryl chloride at a purity of 99%.
该粗品通过精制工艺的改进,采用硫化钠和氢氧化钠的混物进行处理,得到纯度≥99%的O,O-二
硫代磷酰氯。
Ethyl cellulose was synthesized successfully in one step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.
采用纤维素与过量的氯烷及氢氧化钠反应,以甲苯为稀释剂,用一步法
功地
了
纤维素。
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-色醇和3-氧代戊
甲酯为起始原
,以甲醇为溶剂,
了依托度
.采用混
溶剂对粗品进行精制,得到了高纯度的依托度
.
The paper studied the preparation of bromine from basic Magnesium bromide in the production of maltol and ethyl maltol, the synthesis of bromethyl from bromine, sulfur and alcothol.
研究了以麦芽酚、麦芽酚生产中的碱式溴化镁废渣为原
制取溴;以溴、硫和
醇
溴
烷的方法。
This paper studied the new synthetic technology of taurin (2- aminoethanesulforic acid).It was synthe sized by the reaction of monoethanol amine sulfate with sodium sulfrous in yield of 85%.
研究了牛磺(2-氨
磺
)
的新工艺:用氨
醇硫
酯与亚硫
钠溶液反应制备,收率达85%。
Dimethyl phenylethyl carbinyl acetate (DPCA ) was synthesized by using a new catalyst. This technology decreases the pollution and can also be used in synthesis of other carbinyl acetates perfume.
用一种新型催化剂二甲
苯
原酯(DPCA),并简化了
工艺,减少了生产过程中产生的
废,因而投入生产已具备了必要条件。这种新型催化剂可用于其它原酯类香
的
。
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。
N,N-diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.
以苯胺和溴乙烷为原料,用四乙基氢氧化铵作相转移催化剂,在常压下N,N
乙基苯胺。
The content of ethoxyl group in obtained product was 43.98%.
该法所得乙基纤维素产品的乙氧基含量为43.98%。
N,N-diethylaniline was synthesized from aniline with bromoethane using tetraethylammonium chloride as phase transfer catalyst under atmospheric presure.
用四乙基氯化胺作相转移催化剂可在常压下由苯胺和溴乙烷N,N-
乙基苯胺。
The solvent effect on the synthesis of diethylaluminum azide(DEAA) from diethylaluminum chloride(DECA) and sodium azide(NaN3) is discussed.
以氯化乙基铝(DECA)和叠氮化钠为原料
乙基叠氮铝(DEAA)时,反应介质的溶剂性质不同,产物及
收率也不同。
Catalytic synthesis of phenetole by ethylation of phenol with diethyl carbonate(DEC)in fixed bed reactor was investigated.
以碳乙酯(DEC)为乙基化试剂,与苯酚在气固相条件下催化
苯乙醚。
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)为相转移催化剂了异烟
乙酯。
The major components were Triphenylmethane, Phytol, n-Hexadecanoic acid, Phenol, 2,4,6-tris (1,1-dimethylethyl).And etc.
分是三苯基-甲烷、叶绿醇、正十六碳
、2,4,6-三(1,1-
甲乙基)-苯酚等,这为进一步开发利用蒌蒿提供了科学依据。
Activated carbon as the sorbent and catalyst support was capsulated with ethyl cellulose by phase separation methods.
摘对兼具吸附和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。
Objective:To study the preventive effect of Matrine(MT) and Oxymatrime(OMT)on rat hepatoma induced by diethylnitrosamine(DEN).
研究苦参碱(MT)和氧化苦参碱(OMT)分别对乙基亚硝胺(DEN)诱发大鼠肝癌的预防阻断作用。
Tetraethyl thiuram disulfide was synthesized one step from diethylamine and carbon bisulfide with hydrogen peroxide(27.5%) as oxidant.
以乙胺和
硫化碳为原料,经双氧水(275%)氧化,一步
了四乙基秋兰姆化
硫。
The p-fluorophenoxy propionic acid was synthesized by p-fluorophenol and 3-chloropropanoic acid as row materials and transfer catalyzed by TEBA.
以对氟苯酚和3-氯丙为起始原料,用苄基三乙基氯化铵作为催化剂,经过相转移催化
对氟苯氧丙
。
By means of cyanoethylation and chlorination,wood sawdust was converted into thermoplastic material and then compounded with short sisal fibers.
通过氰乙基化反应,使木粉转化为热塑性材料,再与短切剑麻纤维混
,热压制得植物纤维增强塑化植物纤维基复
材料。
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.
了带双羟烷基及双甲
甲酯基取代的两种双
硫代亚乙基四硫代富瓦烯(BEDT-TTF)的衍生物及
它们与TCNQ的CT-络
物。
Trimethylaluminum(TMA),usually used in organic catalysis and organic synthesis,was synthesized by reaction of triethylaluminium (TEA) with methyl bromide on iron-stibonium complex catalyst.
用新的催化体系(铁-锑复催化剂)催化三乙基铝(TEA)与溴甲烷进行烷基交换反应
三甲基铝(TMA)。
The mixture was refined by sodium sulfide and sodium hydroxide to afford an O,O-diethyl thiophosphoryl chloride at a purity of 99%.
该粗品通过精制工艺的改进,采用硫化钠和氢氧化钠的混物进行处理,得到纯度≥99%的O,O-
乙基硫代磷酰氯。
Ethyl cellulose was synthesized successfully in one step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.
采用纤维素与过量的氯乙烷及氢氧化钠反应,以甲苯为稀释剂,用一步法功地
了乙基纤维素。
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-氧代戊甲酯为起始原料,以甲醇为溶剂,
了依托度
.采用混
溶剂对粗品进行精制,得到了高纯度的依托度
.
The paper studied the preparation of bromine from basic Magnesium bromide in the production of maltol and ethyl maltol, the synthesis of bromethyl from bromine, sulfur and alcothol.
研究了以麦芽酚、乙基麦芽酚生产中的碱式溴化镁废渣为原料制取溴;以溴、硫和乙醇溴乙烷的方法。
This paper studied the new synthetic technology of taurin (2- aminoethanesulforic acid).It was synthe sized by the reaction of monoethanol amine sulfate with sodium sulfrous in yield of 85%.
研究了牛磺(2-氨乙基磺
)
的新工艺:用氨基乙醇硫
酯与亚硫
钠溶液反应制备,收率达85%。
Dimethyl phenylethyl carbinyl acetate (DPCA ) was synthesized by using a new catalyst. This technology decreases the pollution and can also be used in synthesis of other carbinyl acetates perfume.
用一种新型催化剂乙
甲基苯乙基原酯(DPCA),并简化了
工艺,减少了生产过程中产生的三废,因而投入生产已具备了必
条件。这种新型催化剂可用于
它原酯类香料的
。
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,
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。
N,N-diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.
以苯胺和溴乙烷为原料,用四乙基氢氧铵作相转
剂,在常压下合成N,N二乙基苯胺。
The content of ethoxyl group in obtained product was 43.98%.
该法所得乙基纤维素产品的乙氧基含量为43.98%。
N,N-diethylaniline was synthesized from aniline with bromoethane using tetraethylammonium chloride as phase transfer catalyst under atmospheric presure.
用四乙基氯胺作相转
剂可在常压下由苯胺和溴乙烷合成N,N-二乙基苯胺。
The solvent effect on the synthesis of diethylaluminum azide(DEAA) from diethylaluminum chloride(DECA) and sodium azide(NaN3) is discussed.
以氯二乙基铝(DECA)和叠氮
钠为原料合成二乙基叠氮铝(DEAA)时,反应介质的溶剂性质不同,产物及其收率也不同。
Catalytic synthesis of phenetole by ethylation of phenol with diethyl carbonate(DEC)in fixed bed reactor was investigated.
以二乙酯(DEC)为乙基
试剂,与苯酚在气固相条件下
合成苯乙醚。
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
剂合成了异烟
乙酯。
The major components were Triphenylmethane, Phytol, n-Hexadecanoic acid, Phenol, 2,4,6-tris (1,1-dimethylethyl).And etc.
其主要成分是三苯基-甲烷、叶绿醇、正十、2,4,6-三(1,1-二甲乙基)-苯酚等,这为进一步开发利用蒌蒿提供了科学依据。
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。
Objective:To study the preventive effect of Matrine(MT) and Oxymatrime(OMT)on rat hepatoma induced by diethylnitrosamine(DEN).
研究苦参碱(MT)和氧苦参碱(OMT)分别对二乙基亚硝胺(DEN)诱发大鼠肝癌的预防阻断作用。
Tetraethyl thiuram disulfide was synthesized one step from diethylamine and carbon bisulfide with hydrogen peroxide(27.5%) as oxidant.
以二乙胺和二硫为原料,经双氧水(275%)氧
,一步合成了四乙基秋兰姆
二硫。
The p-fluorophenoxy propionic acid was synthesized by p-fluorophenol and 3-chloropropanoic acid as row materials and transfer catalyzed by TEBA.
以对氟苯酚和3-氯丙为起始原料,用苄基三乙基氯
铵作为
剂,经过相转
合成对氟苯氧丙
。
By means of cyanoethylation and chlorination,wood sawdust was converted into thermoplastic material and then compounded with short sisal fibers.
通过氰乙基反应,使木粉转
成为热塑性材料,再与短切剑麻纤维混合,热压制得植物纤维增强塑
植物纤维基复合材料。
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酯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。
Trimethylaluminum(TMA),usually used in organic catalysis and organic synthesis,was synthesized by reaction of triethylaluminium (TEA) with methyl bromide on iron-stibonium complex catalyst.
用新的体系(铁-锑复合
剂)
三乙基铝(TEA)与溴甲烷进行烷基交换反应合成三甲基铝(TMA)。
The mixture was refined by sodium sulfide and sodium hydroxide to afford an O,O-diethyl thiophosphoryl chloride at a purity of 99%.
该粗品通过精制工艺的改进,采用硫钠和氢氧
钠的混合物进行处理,得到纯度≥99%的O,O-二乙基硫代磷酰氯。
Ethyl cellulose was synthesized successfully in one step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.
采用纤维素与过量的氯乙烷及氢氧钠反应,以甲苯为稀释剂,用一步法成功地合成了乙基纤维素。
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-氧代戊甲酯为起始原料,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
.
The paper studied the preparation of bromine from basic Magnesium bromide in the production of maltol and ethyl maltol, the synthesis of bromethyl from bromine, sulfur and alcothol.
研究了以麦芽酚、乙基麦芽酚生产中的碱式溴镁废渣为原料制取溴;以溴、硫和乙醇合成溴乙烷的方法。
This paper studied the new synthetic technology of taurin (2- aminoethanesulforic acid).It was synthe sized by the reaction of monoethanol amine sulfate with sodium sulfrous in yield of 85%.
研究了牛磺(2-氨乙基磺
)合成的新工艺:用氨基乙醇硫
酯与亚硫
钠溶液反应制备,收率达85%。
Dimethyl phenylethyl carbinyl acetate (DPCA ) was synthesized by using a new catalyst. This technology decreases the pollution and can also be used in synthesis of other carbinyl acetates perfume.
用一种新型剂合成乙
二甲基苯乙基原酯(DPCA),并简
了合成工艺,减少了生产过程中产生的三废,因而投入生产已具备了必要条件。这种新型
剂可用于其它原酯类香料的合成。
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。
N,N-diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.
以苯胺和溴烷为原
,用四
氢氧化铵作相转移催化剂,在常压下
N,N二
苯胺。
The content of ethoxyl group in obtained product was 43.98%.
该法所得纤维素产品的
氧
含量为43.98%。
N,N-diethylaniline was synthesized from aniline with bromoethane using tetraethylammonium chloride as phase transfer catalyst under atmospheric presure.
用四氯化胺作相转移催化剂可在常压下由苯胺和溴
烷
N,N-二
苯胺。
The solvent effect on the synthesis of diethylaluminum azide(DEAA) from diethylaluminum chloride(DECA) and sodium azide(NaN3) is discussed.
以氯化二铝(DECA)和叠氮化钠为原
二
叠氮铝(DEAA)时,反应介质的溶剂性质不同,产物及其收率也不同。
Catalytic synthesis of phenetole by ethylation of phenol with diethyl carbonate(DEC)in fixed bed reactor was investigated.
以碳二
酯(DEC)为
化试剂,与苯酚在气固相条件下催化
苯
醚。
Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.
以BTEAC(苄氯化铵)为相转移催化剂
了异烟
酯。
The major components were Triphenylmethane, Phytol, n-Hexadecanoic acid, Phenol, 2,4,6-tris (1,1-dimethylethyl).And etc.
其主要分是
苯
-甲烷、叶绿醇、正十六碳
、2,4,6-
(1,1-二甲
)-苯酚等,这为进一步开发利用蒌蒿提供了科学依据。
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
用相分离进行包覆。
Objective:To study the preventive effect of Matrine(MT) and Oxymatrime(OMT)on rat hepatoma induced by diethylnitrosamine(DEN).
研究苦参碱(MT)和氧化苦参碱(OMT)分别对二亚硝胺(DEN)诱发大鼠肝癌的预防阻断作用。
Tetraethyl thiuram disulfide was synthesized one step from diethylamine and carbon bisulfide with hydrogen peroxide(27.5%) as oxidant.
以二胺和二硫化碳为原
,经双氧水(275%)氧化,一步
了四
秋兰姆化二硫。
The p-fluorophenoxy propionic acid was synthesized by p-fluorophenol and 3-chloropropanoic acid as row materials and transfer catalyzed by TEBA.
以对氟苯酚和3-氯丙为起始原
,用苄
氯化铵作为催化剂,经过相转移催化
对氟苯氧丙
。
By means of cyanoethylation and chlorination,wood sawdust was converted into thermoplastic material and then compounded with short sisal fibers.
通过氰化反应,使木粉转化
为热塑性材
,再与短切剑麻纤维混
,热压制得植物纤维增强塑化植物纤维
复
材
。
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.
了带双羟烷
及双甲
甲酯
取代的两种双二硫代亚
四硫代富瓦烯(BEDT-TTF)的衍生物及其它们与TCNQ的CT-络
物。
Trimethylaluminum(TMA),usually used in organic catalysis and organic synthesis,was synthesized by reaction of triethylaluminium (TEA) with methyl bromide on iron-stibonium complex catalyst.
用新的催化体系(铁-锑复催化剂)催化
铝(TEA)与溴甲烷进行烷
交换反应
甲
铝(TMA)。
The mixture was refined by sodium sulfide and sodium hydroxide to afford an O,O-diethyl thiophosphoryl chloride at a purity of 99%.
该粗品通过精制工艺的改进,采用硫化钠和氢氧化钠的混物进行处理,得到纯度≥99%的O,O-二
硫代磷酰氯。
Ethyl cellulose was synthesized successfully in one step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.
采用纤维素与过量的氯烷及氢氧化钠反应,以甲苯为稀释剂,用一步法
功地
了
纤维素。
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-色醇和3-氧代戊
甲酯为起始原
,以甲醇为溶剂,
了依托度
.采用混
溶剂对粗品进行精制,得到了高纯度的依托度
.
The paper studied the preparation of bromine from basic Magnesium bromide in the production of maltol and ethyl maltol, the synthesis of bromethyl from bromine, sulfur and alcothol.
研究了以麦芽酚、麦芽酚生产中的碱式溴化镁废渣为原
制取溴;以溴、硫和
醇
溴
烷的方法。
This paper studied the new synthetic technology of taurin (2- aminoethanesulforic acid).It was synthe sized by the reaction of monoethanol amine sulfate with sodium sulfrous in yield of 85%.
研究了牛磺(2-氨
磺
)
的新工艺:用氨
醇硫
酯与亚硫
钠溶液反应制备,收率达85%。
Dimethyl phenylethyl carbinyl acetate (DPCA ) was synthesized by using a new catalyst. This technology decreases the pollution and can also be used in synthesis of other carbinyl acetates perfume.
用一种新型催化剂二甲
苯
原酯(DPCA),并简化了
工艺,减少了生产过程中产生的
废,因而投入生产已具备了必要条件。这种新型催化剂可用于其它原酯类香
的
。
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。
N,N-diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.
以苯胺和溴乙烷料,用四乙基氢氧
作相转移催
剂,在常压下合成N,N二乙基苯胺。
The content of ethoxyl group in obtained product was 43.98%.
该法所得乙基纤维素产品的乙氧基含量43.98%。
N,N-diethylaniline was synthesized from aniline with bromoethane using tetraethylammonium chloride as phase transfer catalyst under atmospheric presure.
用四乙基胺作相转移催
剂可在常压下由苯胺和溴乙烷合成N,N-二乙基苯胺。
The solvent effect on the synthesis of diethylaluminum azide(DEAA) from diethylaluminum chloride(DECA) and sodium azide(NaN3) is discussed.
以二乙基铝(DECA)和叠氮
料合成二乙基叠氮铝(DEAA)时,反应介质的溶剂性质不同,产物及其收率也不同。
Catalytic synthesis of phenetole by ethylation of phenol with diethyl carbonate(DEC)in fixed bed reactor was investigated.
以碳二乙酯(DEC)
乙基
试剂,与苯酚在气固相条件下催
合成苯乙醚。
Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.
以BTEAC(苄基三乙基)
相转移催
剂合成了异烟
乙酯。
The major components were Triphenylmethane, Phytol, n-Hexadecanoic acid, Phenol, 2,4,6-tris (1,1-dimethylethyl).And etc.
其主要成分是三苯基-甲烷、叶绿醇、正十六碳、2,4,6-三(1,1-二甲乙基)-苯酚等,这
进一步开发利用蒌蒿提供了科学依据。
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
材料用相分离进行包覆。
Objective:To study the preventive effect of Matrine(MT) and Oxymatrime(OMT)on rat hepatoma induced by diethylnitrosamine(DEN).
研究苦参碱(MT)和氧苦参碱(OMT)分别对二乙基亚硝胺(DEN)诱发大鼠肝癌的预防阻断作用。
Tetraethyl thiuram disulfide was synthesized one step from diethylamine and carbon bisulfide with hydrogen peroxide(27.5%) as oxidant.
以二乙胺和二硫碳
料,经双氧水(275%)氧
,一步合成了四乙基秋兰姆
二硫。
The p-fluorophenoxy propionic acid was synthesized by p-fluorophenol and 3-chloropropanoic acid as row materials and transfer catalyzed by TEBA.
以对氟苯酚和3-丙
起始
料,用苄基三乙基
作
催
剂,经过相转移催
合成对氟苯氧丙
。
By means of cyanoethylation and chlorination,wood sawdust was converted into thermoplastic material and then compounded with short sisal fibers.
通过氰乙基反应,使木粉转
成
热塑性材料,再与短切剑麻纤维混合,热压制得植物纤维增强塑
植物纤维基复合材料。
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酯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。
Trimethylaluminum(TMA),usually used in organic catalysis and organic synthesis,was synthesized by reaction of triethylaluminium (TEA) with methyl bromide on iron-stibonium complex catalyst.
用新的催体系(铁-锑复合催
剂)催
三乙基铝(TEA)与溴甲烷进行烷基交换反应合成三甲基铝(TMA)。
The mixture was refined by sodium sulfide and sodium hydroxide to afford an O,O-diethyl thiophosphoryl chloride at a purity of 99%.
该粗品通过精制工艺的改进,采用硫和氢氧
的混合物进行处理,得到纯度≥99%的O,O-二乙基硫代磷酰
。
Ethyl cellulose was synthesized successfully in one step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.
采用纤维素与过量的乙烷及氢氧
反应,以甲苯
稀释剂,用一步法成功地合成了乙基纤维素。
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-氧代戊甲酯
起始
料,以甲醇
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
.
The paper studied the preparation of bromine from basic Magnesium bromide in the production of maltol and ethyl maltol, the synthesis of bromethyl from bromine, sulfur and alcothol.
研究了以麦芽酚、乙基麦芽酚生产中的碱式溴镁废渣
料制取溴;以溴、硫和乙醇合成溴乙烷的方法。
This paper studied the new synthetic technology of taurin (2- aminoethanesulforic acid).It was synthe sized by the reaction of monoethanol amine sulfate with sodium sulfrous in yield of 85%.
研究了牛磺(2-氨乙基磺
)合成的新工艺:用氨基乙醇硫
酯与亚硫
溶液反应制备,收率达85%。
Dimethyl phenylethyl carbinyl acetate (DPCA ) was synthesized by using a new catalyst. This technology decreases the pollution and can also be used in synthesis of other carbinyl acetates perfume.
用一种新型催剂合成乙
二甲基苯乙基
酯(DPCA),并简
了合成工艺,减少了生产过程中产生的三废,因而投入生产已具备了必要条件。这种新型催
剂可用于其它
酯类香料的合成。
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。
N,N-diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.
以苯胺和溴乙烷为原料,用四乙基氢氧化铵作相转移催化剂,常压下合成N,N二乙基苯胺。
The content of ethoxyl group in obtained product was 43.98%.
该法所得乙基纤维素产品的乙氧基含量为43.98%。
N,N-diethylaniline was synthesized from aniline with bromoethane using tetraethylammonium chloride as phase transfer catalyst under atmospheric presure.
用四乙基氯化胺作相转移催化剂可常压下由苯胺和溴乙烷合成N,N-二乙基苯胺。
The solvent effect on the synthesis of diethylaluminum azide(DEAA) from diethylaluminum chloride(DECA) and sodium azide(NaN3) is discussed.
以氯化二乙基铝(DECA)和叠氮化钠为原料合成二乙基叠氮铝(DEAA)时,反应介的溶剂
同,产物及其收率也
同。
Catalytic synthesis of phenetole by ethylation of phenol with diethyl carbonate(DEC)in fixed bed reactor was investigated.
以碳二乙酯(DEC)为乙基化试剂,与苯酚
相条件下催化合成苯乙醚。
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酯。
The major components were Triphenylmethane, Phytol, n-Hexadecanoic acid, Phenol, 2,4,6-tris (1,1-dimethylethyl).And etc.
其主要成分是三苯基-甲烷、叶绿醇、正十六碳、2,4,6-三(1,1-二甲乙基)-苯酚等,这为进一步开发利用蒌蒿提供了科学依据。
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,以乙基纤维素为材料用相分离进行包覆。
Objective:To study the preventive effect of Matrine(MT) and Oxymatrime(OMT)on rat hepatoma induced by diethylnitrosamine(DEN).
研究苦参碱(MT)和氧化苦参碱(OMT)分别对二乙基亚硝胺(DEN)诱发大鼠肝癌的预防阻断作用。
Tetraethyl thiuram disulfide was synthesized one step from diethylamine and carbon bisulfide with hydrogen peroxide(27.5%) as oxidant.
以二乙胺和二硫化碳为原料,经双氧水(275%)氧化,一步合成了四乙基秋兰姆化二硫。
The p-fluorophenoxy propionic acid was synthesized by p-fluorophenol and 3-chloropropanoic acid as row materials and transfer catalyzed by TEBA.
以对氟苯酚和3-氯丙为起始原料,用苄基三乙基氯化铵作为催化剂,经过相转移催化合成对氟苯氧丙
。
By means of cyanoethylation and chlorination,wood sawdust was converted into thermoplastic material and then compounded with short sisal fibers.
通过氰乙基化反应,使木粉转化成为热塑材料,再与短切剑麻纤维混合,热压制得植物纤维增强塑化植物纤维基复合材料。
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酯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。
Trimethylaluminum(TMA),usually used in organic catalysis and organic synthesis,was synthesized by reaction of triethylaluminium (TEA) with methyl bromide on iron-stibonium complex catalyst.
用新的催化体系(铁-锑复合催化剂)催化三乙基铝(TEA)与溴甲烷进行烷基交换反应合成三甲基铝(TMA)。
The mixture was refined by sodium sulfide and sodium hydroxide to afford an O,O-diethyl thiophosphoryl chloride at a purity of 99%.
该粗品通过精制工艺的改进,采用硫化钠和氢氧化钠的混合物进行处理,得到纯度≥99%的O,O-二乙基硫代磷酰氯。
Ethyl cellulose was synthesized successfully in one step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.
采用纤维素与过量的氯乙烷及氢氧化钠反应,以甲苯为稀释剂,用一步法成功地合成了乙基纤维素。
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-氧代戊甲酯为起始原料,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
.
The paper studied the preparation of bromine from basic Magnesium bromide in the production of maltol and ethyl maltol, the synthesis of bromethyl from bromine, sulfur and alcothol.
研究了以麦芽酚、乙基麦芽酚生产中的碱式溴化镁废渣为原料制取溴;以溴、硫和乙醇合成溴乙烷的方法。
This paper studied the new synthetic technology of taurin (2- aminoethanesulforic acid).It was synthe sized by the reaction of monoethanol amine sulfate with sodium sulfrous in yield of 85%.
研究了牛磺(2-氨乙基磺
)合成的新工艺:用氨基乙醇硫
酯与亚硫
钠溶液反应制备,收率达85%。
Dimethyl phenylethyl carbinyl acetate (DPCA ) was synthesized by using a new catalyst. This technology decreases the pollution and can also be used in synthesis of other carbinyl acetates perfume.
用一种新型催化剂合成乙二甲基苯乙基原酯(DPCA),并简化了合成工艺,减少了生产过程中产生的三废,因而投入生产已具备了必要条件。这种新型催化剂可用于其它原酯类香料的合成。
声明:以上例句、词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。
N,N-diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.
以苯胺和溴烷为原
,用四
氢氧化铵作相转移催化剂,在常压下
N,N二
苯胺。
The content of ethoxyl group in obtained product was 43.98%.
该法所得纤维素产品的
氧
含量为43.98%。
N,N-diethylaniline was synthesized from aniline with bromoethane using tetraethylammonium chloride as phase transfer catalyst under atmospheric presure.
用四氯化胺作相转移催化剂可在常压下由苯胺和溴
烷
N,N-二
苯胺。
The solvent effect on the synthesis of diethylaluminum azide(DEAA) from diethylaluminum chloride(DECA) and sodium azide(NaN3) is discussed.
以氯化二铝(DECA)和叠氮化钠为原
二
叠氮铝(DEAA)时,反应介质的溶剂性质不同,产物及其收率也不同。
Catalytic synthesis of phenetole by ethylation of phenol with diethyl carbonate(DEC)in fixed bed reactor was investigated.
以碳二
酯(DEC)为
化试剂,与苯酚在气固相条件下催化
苯
醚。
Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.
以BTEAC(苄氯化铵)为相转移催化剂
了异烟
酯。
The major components were Triphenylmethane, Phytol, n-Hexadecanoic acid, Phenol, 2,4,6-tris (1,1-dimethylethyl).And etc.
其主要分是
苯
-甲烷、叶绿醇、正十六碳
、2,4,6-
(1,1-二甲
)-苯酚等,这为进一步开发利用蒌蒿提供了科学依据。
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
用相分离进行包覆。
Objective:To study the preventive effect of Matrine(MT) and Oxymatrime(OMT)on rat hepatoma induced by diethylnitrosamine(DEN).
研究苦参碱(MT)和氧化苦参碱(OMT)分别对二亚硝胺(DEN)诱发大鼠肝癌的预防阻断作用。
Tetraethyl thiuram disulfide was synthesized one step from diethylamine and carbon bisulfide with hydrogen peroxide(27.5%) as oxidant.
以二胺和二硫化碳为原
,经双氧水(275%)氧化,一步
了四
秋兰姆化二硫。
The p-fluorophenoxy propionic acid was synthesized by p-fluorophenol and 3-chloropropanoic acid as row materials and transfer catalyzed by TEBA.
以对氟苯酚和3-氯丙为起始原
,用苄
氯化铵作为催化剂,经过相转移催化
对氟苯氧丙
。
By means of cyanoethylation and chlorination,wood sawdust was converted into thermoplastic material and then compounded with short sisal fibers.
通过氰化反应,使木粉转化
为热塑性材
,再与短切剑麻纤维混
,热压制得植物纤维增强塑化植物纤维
复
材
。
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.
了带双羟烷
及双甲
甲酯
取代的两种双二硫代亚
四硫代富瓦烯(BEDT-TTF)的衍生物及其它们与TCNQ的CT-络
物。
Trimethylaluminum(TMA),usually used in organic catalysis and organic synthesis,was synthesized by reaction of triethylaluminium (TEA) with methyl bromide on iron-stibonium complex catalyst.
用新的催化体系(铁-锑复催化剂)催化
铝(TEA)与溴甲烷进行烷
交换反应
甲
铝(TMA)。
The mixture was refined by sodium sulfide and sodium hydroxide to afford an O,O-diethyl thiophosphoryl chloride at a purity of 99%.
该粗品通过精制工艺的改进,采用硫化钠和氢氧化钠的混物进行处理,得到纯度≥99%的O,O-二
硫代磷酰氯。
Ethyl cellulose was synthesized successfully in one step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.
采用纤维素与过量的氯烷及氢氧化钠反应,以甲苯为稀释剂,用一步法
功地
了
纤维素。
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-色醇和3-氧代戊
甲酯为起始原
,以甲醇为溶剂,
了依托度
.采用混
溶剂对粗品进行精制,得到了高纯度的依托度
.
The paper studied the preparation of bromine from basic Magnesium bromide in the production of maltol and ethyl maltol, the synthesis of bromethyl from bromine, sulfur and alcothol.
研究了以麦芽酚、麦芽酚生产中的碱式溴化镁废渣为原
制取溴;以溴、硫和
醇
溴
烷的方法。
This paper studied the new synthetic technology of taurin (2- aminoethanesulforic acid).It was synthe sized by the reaction of monoethanol amine sulfate with sodium sulfrous in yield of 85%.
研究了牛磺(2-氨
磺
)
的新工艺:用氨
醇硫
酯与亚硫
钠溶液反应制备,收率达85%。
Dimethyl phenylethyl carbinyl acetate (DPCA ) was synthesized by using a new catalyst. This technology decreases the pollution and can also be used in synthesis of other carbinyl acetates perfume.
用一种新型催化剂二甲
苯
原酯(DPCA),并简化了
工艺,减少了生产过程中产生的
废,因而投入生产已具备了必要条件。这种新型催化剂可用于其它原酯类香
的
。
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。
N,N-diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.
以苯胺和溴乙烷为原料,用四乙基氢氧化铵作相转移催化剂,在常压下合成N,N二乙基苯胺。
The content of ethoxyl group in obtained product was 43.98%.
该法所得乙基纤维素产品的乙氧基含量为43.98%。
N,N-diethylaniline was synthesized from aniline with bromoethane using tetraethylammonium chloride as phase transfer catalyst under atmospheric presure.
用四乙基氯化胺作相转移催化剂可在常压下由苯胺和溴乙烷合成N,N-二乙基苯胺。
The solvent effect on the synthesis of diethylaluminum azide(DEAA) from diethylaluminum chloride(DECA) and sodium azide(NaN3) is discussed.
以氯化二乙基铝(DECA)和叠氮化钠为原料合成二乙基叠氮铝(DEAA)时,反应介质的溶剂性质不同,产物及其收率也不同。
Catalytic synthesis of phenetole by ethylation of phenol with diethyl carbonate(DEC)in fixed bed reactor was investigated.
以碳二乙酯(DEC)为乙基化试剂,与苯酚在气固相条件下催化合成苯乙醚。
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酯。
The major components were Triphenylmethane, Phytol, n-Hexadecanoic acid, Phenol, 2,4,6-tris (1,1-dimethylethyl).And etc.
其主要成分是三苯基-甲烷、叶绿醇、正十六碳、2,4,6-三(1,1-二甲乙基)-苯酚等,这为进一步开发利用蒌蒿提供了科学依据。
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,以乙基纤维素为材料用相分离进行。
Objective:To study the preventive effect of Matrine(MT) and Oxymatrime(OMT)on rat hepatoma induced by diethylnitrosamine(DEN).
究苦参碱(MT)和氧化苦参碱(OMT)分别对二乙基亚硝胺(DEN)诱发大鼠肝癌的预防阻断作用。
Tetraethyl thiuram disulfide was synthesized one step from diethylamine and carbon bisulfide with hydrogen peroxide(27.5%) as oxidant.
以二乙胺和二硫化碳为原料,经双氧水(275%)氧化,一步合成了四乙基秋兰姆化二硫。
The p-fluorophenoxy propionic acid was synthesized by p-fluorophenol and 3-chloropropanoic acid as row materials and transfer catalyzed by TEBA.
以对氟苯酚和3-氯丙为起始原料,用苄基三乙基氯化铵作为催化剂,经过相转移催化合成对氟苯氧丙
。
By means of cyanoethylation and chlorination,wood sawdust was converted into thermoplastic material and then compounded with short sisal fibers.
通过氰乙基化反应,使木粉转化成为热塑性材料,再与短切剑麻纤维混合,热压制得植物纤维增强塑化植物纤维基复合材料。
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酯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。
Trimethylaluminum(TMA),usually used in organic catalysis and organic synthesis,was synthesized by reaction of triethylaluminium (TEA) with methyl bromide on iron-stibonium complex catalyst.
用新的催化体系(铁-锑复合催化剂)催化三乙基铝(TEA)与溴甲烷进行烷基交换反应合成三甲基铝(TMA)。
The mixture was refined by sodium sulfide and sodium hydroxide to afford an O,O-diethyl thiophosphoryl chloride at a purity of 99%.
该粗品通过精制工艺的改进,采用硫化钠和氢氧化钠的混合物进行处理,得到纯度≥99%的O,O-二乙基硫代磷酰氯。
Ethyl cellulose was synthesized successfully in one step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.
采用纤维素与过量的氯乙烷及氢氧化钠反应,以甲苯为稀释剂,用一步法成功地合成了乙基纤维素。
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-氧代戊甲酯为起始原料,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
.
The paper studied the preparation of bromine from basic Magnesium bromide in the production of maltol and ethyl maltol, the synthesis of bromethyl from bromine, sulfur and alcothol.
究了以麦芽酚、乙基麦芽酚生产中的碱式溴化镁废渣为原料制取溴;以溴、硫和乙醇合成溴乙烷的方法。
This paper studied the new synthetic technology of taurin (2- aminoethanesulforic acid).It was synthe sized by the reaction of monoethanol amine sulfate with sodium sulfrous in yield of 85%.
究了牛磺
(2-氨乙基磺
)合成的新工艺:用氨基乙醇硫
酯与亚硫
钠溶液反应制备,收率达85%。
Dimethyl phenylethyl carbinyl acetate (DPCA ) was synthesized by using a new catalyst. This technology decreases the pollution and can also be used in synthesis of other carbinyl acetates perfume.
用一种新型催化剂合成乙二甲基苯乙基原酯(DPCA),并简化了合成工艺,减少了生产过程中产生的三废,因而投入生产已具备了必要条件。这种新型催化剂可用于其它原酯类香料的合成。
声明:以上、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。
N,N-diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.
胺和溴乙烷为原料,用四乙基氢氧化铵作相转移催化剂,在常压下合成N,N二乙基
胺。
The content of ethoxyl group in obtained product was 43.98%.
该法所得乙基纤维素产品的乙氧基含量为43.98%。
N,N-diethylaniline was synthesized from aniline with bromoethane using tetraethylammonium chloride as phase transfer catalyst under atmospheric presure.
用四乙基氯化胺作相转移催化剂可在常压下由胺和溴乙烷合成N,N-二乙基
胺。
The solvent effect on the synthesis of diethylaluminum azide(DEAA) from diethylaluminum chloride(DECA) and sodium azide(NaN3) is discussed.
氯化二乙基铝(DECA)和叠氮化钠为原料合成二乙基叠氮铝(DEAA)时,反应介质的溶剂性质不同,产物及其收率也不同。
Catalytic synthesis of phenetole by ethylation of phenol with diethyl carbonate(DEC)in fixed bed reactor was investigated.
碳
二乙酯(DEC)为乙基化试剂,与
酚在气固相条件下催化合成
乙醚。
Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.
BTEAC(苄基三乙基氯化铵)为相转移催化剂合成了异烟
乙酯。
The major components were Triphenylmethane, Phytol, n-Hexadecanoic acid, Phenol, 2,4,6-tris (1,1-dimethylethyl).And etc.
其主要成分是三基-甲烷、叶绿醇、正十六碳
、2,4,6-三(1,1-二甲乙基)-
酚等,这为
一步开发利用蒌蒿提供了科学依据。
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,乙基纤维素为材料用相分离
覆。
Objective:To study the preventive effect of Matrine(MT) and Oxymatrime(OMT)on rat hepatoma induced by diethylnitrosamine(DEN).
研究苦参碱(MT)和氧化苦参碱(OMT)分别对二乙基亚硝胺(DEN)诱发大鼠肝癌的预防阻断作用。
Tetraethyl thiuram disulfide was synthesized one step from diethylamine and carbon bisulfide with hydrogen peroxide(27.5%) as oxidant.
二乙胺和二硫化碳为原料,经双氧水(275%)氧化,一步合成了四乙基秋兰姆化二硫。
The p-fluorophenoxy propionic acid was synthesized by p-fluorophenol and 3-chloropropanoic acid as row materials and transfer catalyzed by TEBA.
对氟
酚和3-氯丙
为起始原料,用苄基三乙基氯化铵作为催化剂,经过相转移催化合成对氟
氧丙
。
By means of cyanoethylation and chlorination,wood sawdust was converted into thermoplastic material and then compounded with short sisal fibers.
通过氰乙基化反应,使木粉转化成为热塑性材料,再与短切剑麻纤维混合,热压制得植物纤维增强塑化植物纤维基复合材料。
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酯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。
Trimethylaluminum(TMA),usually used in organic catalysis and organic synthesis,was synthesized by reaction of triethylaluminium (TEA) with methyl bromide on iron-stibonium complex catalyst.
用新的催化体系(铁-锑复合催化剂)催化三乙基铝(TEA)与溴甲烷烷基交换反应合成三甲基铝(TMA)。
The mixture was refined by sodium sulfide and sodium hydroxide to afford an O,O-diethyl thiophosphoryl chloride at a purity of 99%.
该粗品通过精制工艺的改,采用硫化钠和氢氧化钠的混合物
处理,得到纯度≥99%的O,O-二乙基硫代磷酰氯。
Ethyl cellulose was synthesized successfully in one step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.
采用纤维素与过量的氯乙烷及氢氧化钠反应,甲
为稀释剂,用一步法成功地合成了乙基纤维素。
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
甲酯为起始原料,
甲醇为溶剂,合成了依托度
.采用混合溶剂对粗品
精制,得到了高纯度的依托度
.
The paper studied the preparation of bromine from basic Magnesium bromide in the production of maltol and ethyl maltol, the synthesis of bromethyl from bromine, sulfur and alcothol.
研究了麦芽酚、乙基麦芽酚生产中的碱式溴化镁废渣为原料制取溴;
溴、硫和乙醇合成溴乙烷的方法。
This paper studied the new synthetic technology of taurin (2- aminoethanesulforic acid).It was synthe sized by the reaction of monoethanol amine sulfate with sodium sulfrous in yield of 85%.
研究了牛磺(2-氨乙基磺
)合成的新工艺:用氨基乙醇硫
酯与亚硫
钠溶液反应制备,收率达85%。
Dimethyl phenylethyl carbinyl acetate (DPCA ) was synthesized by using a new catalyst. This technology decreases the pollution and can also be used in synthesis of other carbinyl acetates perfume.
用一种新型催化剂合成乙二甲基
乙基原酯(DPCA),并简化了合成工艺,减少了生产过程中产生的三废,因而投入生产已具备了必要条件。这种新型催化剂可用于其它原酯类香料的合成。
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。