Dimethyl dioxirane was prepared with potassium monoperoxy sulfate and acetone.

通过过一硫酸和丙酮反应,合成了新型效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,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.

本文醛和二甲二氯硅烷反应合成二甲硅醚进行了研究。

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元酸二甲酯和二元。

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指示反应。

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

研究了碳酸丙酯和甲经酯交换制备碳酸二甲酯催化剂及反应工艺条件。

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

摘要采用脱氢芳樟为原料，在乙酰丙酮酸钼、苯甲酸、二甲亚砜(DMSO)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-二甲乙酰胺组成混合溶剂，环己烷、环己和苯组成三元体系进行了萃取精馏。