4.It is also known that sodium ethylate and diethyl phenylmalonate interact together to give ethyl Phenylacetate and diethyl carbonate.
众所周知,乙醇纳二乙基苯基丙二应可以得到乙基乙苯二乙基碳。
4.It is also known that sodium ethylate and diethyl phenylmalonate interact together to give ethyl Phenylacetate and diethyl carbonate.
众所周知,乙醇纳二乙基苯基丙二应可以得到乙基乙苯二乙基碳。
Aim\ Enanthal diethyl acetal is prepared with heptaldehyde and triethyl orthoformate as raw materials.
目的研究以庚醛原甲三乙为原料制备庚醛二乙缩醛的工艺条件。
and for nitroethane there were nitroficating low carbon alkane, chloroethane, and diethyl sulfate;
1硝基丙烷采用丙烷丙烯硝化法;
Crystalline polypyrene microsheets were electrosynthesized in the medium of boron trifluoride diethyl etherate for the first time.
4.在三氟化硼乙醚介质,电合芘首次制备出结晶型的芘微米片。
Catalytic synthesis of phenetole by ethylation of phenol with diethyl carbonate(DEC)in fixed bed reactor was investigated.
以碳二乙(DEC)为乙基化试剂,与苯酚在气固相条件下催化合成苯乙醚。
No osmyl and no taste.Soluble in Benzene,Acetone,C2H4Cl2,CS2,toluene,party soluble in alcohol,diethyl ether,insoluble in water,gasoline.
溶于丙酮、苯、甲苯、二硫化碳、二氯乙烷,微溶于乙醇乙醚,不易溶于油。
This paper reports the improvement on the synthesis of 5 methylisoxazol 3 formamide by Claisen condensation of diethyl oxalacetate followed by cyclization and ammonolysis.
讨论了以草二乙为原料,经过克莱森缩合、环合、氨解应合成5甲基异唑3甲酰胺工艺的改进。
A new method for the synthesis of 1 methyl 3 propylpyrazole 5 carboxlic acid from 2 pentanone and diethyl oxalate is reported.
以2-戊酮草二乙为起始原料,经缩合、与甲基肼环合、解等三个步骤合成了1-甲基-3-丙基吡唑-5-羧。
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。
The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied.
以强性阳离子交换树脂为催化剂,十三碳二元与乙醇为原料合成十三碳二元二乙,考察了影响应的因素。
The products in the preparation of diethyl carbonate (DEC) from diethyl oxalate (DEO) by decarbonylation over K2CO3/AC (activated carbon) were analyzed by gas chromatography-mass (GC-MS).
摘要采用气相色谱-质谱联用(程序升温)的方法对K2CO3/性炭上催化草二乙(DEO)气相脱羰基制碳二乙(DEC)的应产物进行了分析。
Entomologist Stephen Doggett, who runs the NSW Health arbovirus program which monitors mosquitoes and the diseases they carry is firmly in the DEET (diethyl toluamide) camp.
负责新南威尔士卫生局虫媒病毒项目的昆虫学家斯蒂芬·多格特赞成使用避蚊胺。该项目监控蚊子它们自身携带的多种疾病。
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。