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  1. ethyl
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N,N-diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.

以苯胺溴乙烷原料,用四氢氧化铵作相转移催化剂,在常压下合成N,N苯胺。

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-甲烷、叶绿醇、正十六碳酸、2,4,6-三(1,1-)-苯酚等,这步开发利用蒌蒿提供了科学依据。

The content of ethoxyl group in obtained product was 43.98%.

该法所得纤维素产品的乙氧含量43.98%。

Catalytic synthesis of phenetole by ethylation of phenol with diethyl carbonate(DEC)in fixed bed reactor was investigated.

以碳酸乙酯(DEC)化试剂,与苯酚在气固相条件下催化合成苯乙醚。

The solvent effect on the synthesis of diethylaluminum azide(DEAA) from diethylaluminum chloride(DECA) and sodium azide(NaN3) is discussed.

以氯化铝(DECA)叠氮化钠原料合成叠氮铝(DEAA)时,反应介质的溶剂性质不同,产物及其收率也不同。

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

以BTEAC(苄氯化铵)相转移催化剂合成了异烟酸乙酯。

Tetraethyl thiuram disulfide was synthesized one step from diethylamine and carbon bisulfide with hydrogen peroxide(27.5%) as oxidant.

乙胺化碳原料,经双氧水(275%)氧化,步合成了四秋兰姆化

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溴乙烷合成N,N-苯胺。

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

摘要对兼具吸附催化剂载体功能的多孔结构活性炭,以纤维素材料用相分离行包覆。

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)氧化苦参碱(OMT)分别对亚硝胺(DEN)诱发大鼠肝癌的预防阻断作用。

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-氯丙酸起始原料,用苄氯化铵作催化剂,经过相转移催化合成对氟苯氧丙酸。

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.

合成了带双羟烷及双甲酸甲酯取代的两种双代亚代富瓦烯(BEDT-TTF)的衍生物及其它们与TCNQ的CT-络合物。

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,采用化钠氢氧化钠的混合物行处理,得到纯度≥99%的O,O-代磷酰氯。

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)催化三铝(TEA)与溴甲烷行烷交换反应合成三甲铝(TMA)。

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,以甲苯稀释剂,用步法成功地合成了纤维素。

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3-氧代戊酸甲酯起始原料,以甲醇溶剂,合成了依托度酸.采用混合溶剂对粗品行精制,得到了高纯度的依托度酸.

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原料制取溴;以溴、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%.

研究了牛磺酸(2-氨磺酸)合成的新工艺:用氨乙醇酸酯与亚酸钠溶液反应制备,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.

种新型催化剂合成乙酸原酯(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。

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相似单词


乙二胺四乙酸, 乙二胺四乙酸二钠, 乙二醇, 乙二醛, 乙肝病毒, 乙基, 乙基属的, 乙腈, 乙硫氨基酪酸, 乙硫醇,