Objective To explore the biological exposure indices ( BEI ) of dimethylformamide ( DMF ) in China.目的探讨我国二甲基甲酰胺 ( DMF ) 的生物接触限值 ( BEI ).Methods Reforming the Hodge method in synthetizing DMF.参照hodge法并作,改良合成1-脱氧-1-吗啉果糖(DM...
Methods Reforming the Hodge method in synthetizing DMF.参照hodge法并作,改良合成1-脱氧-1-吗啉果糖(DMF) 后做相关实验.In this thesis, the Henry coefficients of DMF, butanone and toluene in DBP were measured.论文测定了DMF 、 丁酮和甲苯在DBP中的亨利系数.Colour sta...
In modern GUIs, these primitives consist of pointing, clicking, and dragging.在现代图形用户界面中, 这些原语包括指向 、 单击和拖动.I've just bought a couple of French primitives.我刚买了两幅法国早期艺术家的作品.Almost all operators work only with primitive...