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...
许多天然纤维在需氧菌的侵袭下则迅速腐坏.Many natural fibers decay rapidly when exposed to aerobic cultures.心脏手术后病人血及其引流血经需氧菌及厌氧菌培养均阴性.Fostering of aerobe and anaerobe before and after root canal sterilization with microwave.在抵抗 革兰 氏阳性球菌 、 革...
Research and analysis of the genome of Gossypium arboreum.中棉染色体组型的分析研究.A tropical American species of cotton ( Gossypium barbadense ) widely cultivated for its fine, long - staple fibers.一种生长在热带美洲的棉花 ( 海岛棉棉属 ),因其有纤细的长纤维而...
The great damage to property has been caused by the force majeure.财产的严重损害是由不可抗力事由造成的.The breakdown and the damage caused by the Force majeure.因不可抗力造成的故障或损坏.Any equipment damaged by reasons of nature disaster or force maj...
She gave him an extra scoop of clotted cream.她多给他加了一勺浓缩奶油。Scoop the blanket weed out and use it to line hanging baskets.把那些丝状水藻捞出来,垫在吊篮里。All the newspapers really want to do is scoop the opposition.所有报社真正想做的就是比对手抢先报道。...