N,N-diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.
以胺和溴
烷为原料,用四
基氢氧化铵作相转移催化剂,在常压下合
N,N二
基
胺。
N,N-diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.
以胺和溴
烷为原料,用四
基氢氧化铵作相转移催化剂,在常压下合
N,N二
基
胺。
The content of ethoxyl group in obtained product was 43.98%.
该法所得基纤维素产品的
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.
用四基氯化胺作相转移催化剂可在常压下由
胺和溴
烷合
N,N-二
基
胺。
The solvent effect on the synthesis of diethylaluminum azide(DEAA) from diethylaluminum chloride(DECA) and sodium azide(NaN3) is discussed.
以氯化二基
(DECA)和叠
化钠为原料合
二
基叠
(DEAA)
,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
基化试剂,与
酚在气固相条件下催化合
醚。
Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.
以BTEAC(苄基三基氯化铵)为相转移催化剂合
了异烟
酯。
The major components were Triphenylmethane, Phytol, n-Hexadecanoic acid, Phenol, 2,4,6-tris (1,1-dimethylethyl).And etc.
其主要分是三
基-甲烷、叶绿醇、正十六碳
、2,4,6-三(1,1-二甲
基)-
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.
以二胺和二硫化碳为原料,经双氧水(275%)氧化,一步合
了四
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.
以对氟酚和3-氯丙
为起始原料,用苄基三
基氯化铵作为催化剂,经过相转移催化合
对氟
氧丙
。
By means of cyanoethylation and chlorination,wood sawdust was converted into thermoplastic material and then compounded with short sisal fibers.
通过氰基化反应,使木粉转化
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.
合了带双羟烷基及双甲
甲酯基取代的两种双二硫代亚
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)催化三基
(TEA)与溴甲烷进行烷基交换反应合
三甲基
(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烷及氢氧化钠反应,以甲
为稀释剂,用一步法
功地合
了
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-基色醇和3-氧代戊
甲酯为起始原料,以甲醇为溶剂,合
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、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
醇合
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
基磺
)合
的新工艺:用氨基
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二甲基
基原酯(DPCA),并简化了合
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
。
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.
以苯胺和溴为原料,用四
基氢氧化铵作相转移催化剂,在常压下
N,N二
基苯胺。
The content of ethoxyl group in obtained product was 43.98%.
该法所得基纤维素产品的
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.
用四基氯化胺作相转移催化剂可在常压下由苯胺和溴
N,N-二
基苯胺。
The solvent effect on the synthesis of diethylaluminum azide(DEAA) from diethylaluminum chloride(DECA) and sodium azide(NaN3) is discussed.
以氯化二基铝(DECA)和叠氮化钠为原料
二
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
酯(DEC)为
基化试剂,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(苄基三基氯化铵)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.
其主是三苯基-甲
、叶绿醇、正十六碳
、2,4,6-三(1,1-二甲
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
基纤维素为材料用相
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)别对二
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.
以二胺和二硫化碳为原料,经双氧水(275%)氧化,一步
了四
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
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
基及双甲
甲酯基取代的两种双二硫代亚
基四硫代富瓦烯(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)催化三
基铝(TEA)与溴甲
进行
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-二
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及氢氧化钠反应,以甲苯为稀释剂,用一步法
功地
了
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-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、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
醇
溴
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
基磺
)
的新工艺:用氨基
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基苯
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其它原酯类香料的
。
声明:以上例句、词性类均由互联网资源自动生
,部
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.
以苯胺和溴烷为原料,用四
基氢氧化铵作相转移催化剂,在常压下合成N,N二
基苯胺。
The content of ethoxyl group in obtained product was 43.98%.
该法所基纤维素产品的
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.
用四基氯化胺作相转移催化剂可在常压下由苯胺和溴
烷合成N,N-二
基苯胺。
The solvent effect on the synthesis of diethylaluminum azide(DEAA) from diethylaluminum chloride(DECA) and sodium azide(NaN3) is discussed.
以氯化二基铝(DECA)和叠氮化钠为原料合成二
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
酯(DEC)为
基化试剂,与苯酚在气固相条件下催化合成苯
醚。
Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.
以BTEAC(苄基三基氯化铵)为相转移催化剂合成了异烟
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
基)-苯酚等,这为进一步开发利用蒌蒿提供了科
。
Activated carbon as the sorbent and catalyst support was capsulated with ethyl cellulose by phase separation methods.
摘要对兼具吸附和催化剂载体功能的多孔结构活性炭,以基纤维素为材料用相分离进行包覆。
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.
以二胺和二硫化碳为原料,经双氧水(275%)氧化,一步合成了四
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
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
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
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,到纯度≥99%的O,O-二
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
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-基色醇和3-氧代戊
甲酯为起始原料,以甲醇为溶剂,合成了
托度
.采用混合溶剂对粗品进行精制,
到了高纯度的
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、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
醇合成溴
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
基磺
)合成的新工艺:用氨基
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二甲基苯
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.
以苯胺和溴乙烷原料,
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43.98%。
N,N-diethylaniline was synthesized from aniline with bromoethane using tetraethylammonium chloride as phase transfer catalyst under atmospheric presure.
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)
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)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,
一步开发利
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,以乙基纤维素材料
相分离
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。
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原料,经双氧水(275%)氧化,一步合成了
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-氯丙起始原料,
苄基三乙基氯化铵作
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
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.
新的催化体系(铁-锑复合催化剂)催化三乙基铝(TEA)与溴甲烷
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,采
硫化钠和氢氧化钠的混合物
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.
采纤维素与过量的氯乙烷及氢氧化钠反应,以甲苯
稀释剂,
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
起始原料,以甲醇
溶剂,合成了依托度
.采
混合溶剂对粗品
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:
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.
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。
种新型催化剂可
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
原料,用四
基氢氧化铵作相转移催化剂,在常压下合成N,N二
基苯胺。
The content of ethoxyl group in obtained product was 43.98%.
该法所得基纤维素产品的
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.
用四基氯化胺作相转移催化剂可在常压下由苯胺和溴
烷合成N,N-二
基苯胺。
The solvent effect on the synthesis of diethylaluminum azide(DEAA) from diethylaluminum chloride(DECA) and sodium azide(NaN3) is discussed.
以氯化二基铝(DECA)和叠氮化钠
原料合成二
基叠氮铝(DEAA)时,反应介质的溶剂性质
,产物及其收率
。
Catalytic synthesis of phenetole by ethylation of phenol with diethyl carbonate(DEC)in fixed bed reactor was investigated.
以碳二
(DEC)
基化试剂,与苯酚在气固相条件下催化合成苯
醚。
Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.
以BTEAC(苄基三基氯化铵)
相转移催化剂合成了异烟
。
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
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化剂载体功能的多孔结构活性炭,以基纤维素
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)和氧化苦参碱(OMT)分别对二基亚硝胺(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.
以二胺和二硫化碳
原料,经双氧水(275%)氧化,一步合成了四
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-氯丙起始原料,用苄基三
基氯化铵作
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.
通过氰基化反应,使木粉转化成
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
基取代的两种双二硫代亚
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烷及氢氧化钠反应,以甲苯
稀释剂,用一步法成功地合成了
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-基色醇和3-氧代戊
甲
起始原料,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、基麦芽酚生产中的碱式溴化镁废渣
原料制取溴;以溴、硫和
醇合成溴
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
基磺
)合成的新工艺:用氨基
醇硫
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二甲基苯
基原
(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
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,
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
,与苯酚
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、
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
,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)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,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-乙基色和3-氧代戊
甲酯为起始原料,以甲
为溶
,合成了依托度
.采用混合溶
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
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
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。
N,N-diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.
以苯胺溴乙烷为原料,用四乙基氢
铵作相转移催
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移催
剂可在常压下由苯胺
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)
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.
以碳二乙酯(DEC)为乙基
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(苄基三乙基氯铵)为相转移催
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.
摘要对兼具吸附催
剂载体功能的多孔结构活性炭,以乙基纤维素为材料用相分离进行包覆。
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)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.
以二乙胺二硫
碳为原料,经双
水(275%)
,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3-氯丙
为起始原料,用苄基三乙基氯
铵作为催
剂,经过相转移催
合成对氟苯
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,采用硫钠
氢
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3-
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
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。这种新型催
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.
苯胺和溴
烷为原料,用四
基氢氧化铵作相转移催化剂,在常压下合成N,N
基苯胺。
The content of ethoxyl group in obtained product was 43.98%.
该法所得基纤维素产品的
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.
用四基氯化胺作相转移催化剂可在常压下由苯胺和溴
烷合成N,N-
基苯胺。
The solvent effect on the synthesis of diethylaluminum azide(DEAA) from diethylaluminum chloride(DECA) and sodium azide(NaN3) is discussed.
氯化
基铝(DECA)和叠氮化钠为原料合成
基叠氮铝(DEAA)时,反应介质的溶剂性质不
,产物及其收率也不
。
Catalytic synthesis of phenetole by ethylation of phenol with diethyl carbonate(DEC)in fixed bed reactor was investigated.
(DEC)为
基化试剂,与苯酚在气固相条件下催化合成苯
醚。
Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.
BTEAC(苄基三
基氯化铵)为相转移催化剂合成了异烟
。
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、2,4,6-三(1,1-
甲
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,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.
胺和
硫化
为原料,经双氧水(275%)氧化,一步合成了四
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.
对氟苯酚和3-氯丙
为起始原料,用苄基三
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
基取代的两种双
硫代亚
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-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烷及氢氧化钠反应,
甲苯为稀释剂,用一步法成功地合成了
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-
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
.
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、
基麦芽酚生产中的碱式溴化镁废渣为原料制取溴;
溴、硫和
醇合成溴
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
基磺
)合成的新工艺:用氨基
醇硫
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甲基苯
基原
(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
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。
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
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
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.
摘要对兼具吸附和剂载体功
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
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
两种双二硫代亚乙基四硫代富瓦烯(BEDT-TTF)
衍生物及其它们与TCNQ
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改进,采用硫
钠和氢氧
钠
混合物进行处理,得到纯度≥99%
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
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、乙基麦芽酚生产中碱式溴
镁废渣为原料制取溴;以溴、硫和乙醇合成溴乙烷
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
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
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
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观点;若发现问题,欢迎向我们指正。