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...
它意味着朱迪亚归还犹太人,或犹太人得以收复朱迪亚.It meant that Judaea was restored to the Jews or the Jews were restored to Judaea.放下朱迪亚的烦恼吧, 至少在这个晚上.Lay the dust of Judea, at least for this evening....
It looks as if the blaze was started deliberately.看起来似乎是有人蓄意纵火。With almost evangelical fervour, Marks warns against deliberately seeking a tan.几乎是凭着一股疯狂的热情,马克斯警告人们不要刻意追求晒成一身古铜色。The police deliberately kept a low profile ...