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Ethylene glycol dimethyl ether ; dimethyl cellosolve .

乙二醇二甲醚；二甲基溶纤剂。

Know what dimethyl sulphoxide is ?

知道什么是二甲基亚酚吗？

Extraction rectify of methanol and dimethyl carbonate azeotropic mixture .

甲醇与碳酸二甲酯恒沸物的萃取精馏。

The difference is dimethyl benzyl ammonium .

不同在于乙烷苯甲基铵。

A grafted copolymer of pp-g-an was prepared by means of solution polymerization in high pressure using dcp as initiator and dimethyl benzene as solvent .

以二甲苯为溶剂，过氧化二异丙苯(dcp)为引发剂，采用高压溶液法制备了丙烯腈－聚丙烯接枝共聚物(apg)。