3.It has discovered that trace dimethyl glyoxime can sensitivly catalyize the discoloration of dimethyl yelloue by potassium bromate in sulphuric acid.
5.Dimethyl dioxirane was prepared with potassium monoperoxy sulfate and acetone.
一硫酸和丙酮反应,合成了新型高效的氧剂二甲二氧环烷。
6.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解成二元酸二甲和二元醇。
7.The main products of PET supercritical methanolysis are dimethyl terephthalate(DMT) and ethylene glycol(EG).
红外光谱检测解产物是纯度很高的对苯二甲酸二甲（DMT）单体和乙二醇。
8.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剂及反应工艺条件。
9.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——甲基剂,对对氨基苯甲酸PABA进行N——二甲基.
10.and pharmaceutical intermediates such as veratraldehyde, isovanillin, sufurol, diacetyl, acetoin, and 2, 5-dimethyl pyrazine.
医药中间体产品有：藜芦醛、异香兰素、硫噻唑、丁二酮、乙偶姻、2,5-二甲基吡嗪等。
11.Citral was synthesized by catalytical rearrangement of dehydrolinalool in toluene solution with the present of molybdenyl acetylacetonate, benzoic acid and dimethyl sulfoxide (DMSO).
12.Tribenzyl isocyanurate was prepared by reaction of isocyanuric acid with benzyl chloride and with N,N dimethyl formamide(DMF)used as solvent.
采用N，N-二甲基甲酰胺作溶剂，异氰尿酸、苄氯为原料合成了异氰尿酸三苄基。
13.Under certain conditions, ophenylene diamine can react with dimethyl sulfate to form, N, N′diaminobenzene with higher production.
邻苯二胺与硫酸二甲作用在一定条件下,给出高产率的N,N′-二甲基邻苯二胺。
14.In this thesis, the reaction of aldehydes with dimethyl -- dichlorosilane producingdimethylsilyl bis -- enol ethers has been studied.
本文对醛和二甲基二氯硅烷反应合成二甲硅基双烯醇醚进行了研究。
15.Study on Acid Modified Niobic Acid Catalyst for Synthesis of 2,5- Dimethyl -2,4- Hexadiene
酸处理铌酸对合成2,5-二甲基-2,4-己二烯催作用的研究
16.The enantioselectivity of N-dodecanoyl-L-proline-3,5-dimethyl-anilide is also good, but the basic line fluctuates strongly due to containing benzene ring in its molecular structure.
17.Dimethyl fumarate, metyl topsin and sodium dehydrogene acetate were used in the antiseptic treatment during storage of Kudzu. The experiment indicated that the effects of metyl topsin was the best.
18.The separation of three-component system of cyclohexane,cyclo-hexene and benzene by extract rectification with a mixed solvent,comprising hexyl dicyanide and dimethyl acetylamine has been studied.
选用己二腈-二甲基乙酰胺组成的混合溶剂，对环己烷、环己烯和苯组成的三元体系进行了萃取精馏。
19.Objective The reverting effects of natural carotene on dimethyl-benzanthracene (DMBA) induced oral premalignant lesion in syrian golden hamsters were studied.
目的研究天然胡萝卜素对二甲基苯并蒽(DMBA)诱发的金黄地鼠口腔粘膜癌前病变的逆转作用。
20.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.
（等于methyl carbonate）
]硫酸二甲
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。
