Dimethyl dioxirane was prepared with potassium monoperoxy sulfate and acetone.

通过过一硫酸和应,合成了新型高效的氧化剂二甲二氧环烷。

The main products of PET supercritical methanolysis are dimethyl terephthalate(DMT) and ethylene glycol(EG).

红外光谱检测解聚产物是纯度很高的对苯二甲酸二甲酯（DMT）单体和乙二。

It is ascertained that the PABA may be N-dimethylated using dimethyl sulfate as a methylation agent.

确定以硫酸二甲酯为N——甲化剂,对对氨苯甲酸PABA进行N——二甲化.

In this thesis, the reaction of aldehydes with dimethyl -- dichlorosilane producingdimethylsilyl bis -- enol ethers has been studied.

本文对醛和二甲二氯硅烷应合成二甲硅双烯醚进行了研究。

The polyester or copolyester can be converted into dimethyl terephthalate of binary acid and glycol by method of methanolysis.

介绍用甲解法把聚酯或共聚酯解聚成二酸二甲酯和二。

Tribenzyl isocyanurate was prepared by reaction of isocyanuric acid with benzyl chloride and with N,N dimethyl formamide(DMF)used as solvent.

用N，N-二甲甲酰胺作溶剂，异氰尿酸、苄氯为原料合成了异氰尿酸三苄酯。

It has discovered that trace dimethyl glyoxime can sensitivly catalyize the discoloration of dimethyl yelloue by potassium bromate in sulphuric acid.

研究发现，在硫酸介质中，超痕量二甲乙二醛肟能灵敏地加速溴酸钾氧化二甲黄褪色的指示应。

The catalysts and reaction conditions have been studied for esterinterenange between propenyl carbonate and methanol to produce dimethyl carbonate (DMC).

研究了碳酸烯酯和甲经酯交换制备碳酸二甲酯的催化剂及应工艺条件。

Citral was synthesized by catalytical rearrangement of dehydrolinalool in toluene solution with the present of molybdenyl acetylacetonate, benzoic acid and dimethyl sulfoxide (DMSO).

摘要用脱氢芳樟为原料，在乙酰酸钼、苯甲酸、二甲亚砜(DMSO)的甲苯溶液中催化重排合成柠檬醛，考察了柠檬醛在不同体系中的热敏性。

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-二甲乙酰胺组成的混合溶剂，对环己烷、环己烯和苯组成的三体系进行了萃取精馏。