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...
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...
The classroom teacher must be sensitive to a child'sneeds.班主任必须对小学生的需求体察入微。School trips give children firsthand experience not available in the classroom.学校组织的出游能让孩子们获得在课堂上得不到的亲身体验。The people that she had in her cla...
别呆头呆脑地瞪着那个漂亮小妞.Don't gawk at that pretty girl.那个小妞真俏.That chick is really cute.办公室里新来的女孩是个漂亮小妞, 所有的男士都想跟她约会.The new office girl is a real peach. All the guys want to date her....
It can be difficult to ascertain the facts.可能难以查明事实真相。I'm going to ascertain the truth.我要查明真相.It's difficult to ascertain the coal deposits.煤储量很难探明....
装牛奶的硬纸盒壁常常向外弯曲.The sides of a cardboard carton of milk will often curve outwards.是关闭结束卡车二手的为运输被包装的硬纸盒?Are closed end trucks used for transporting packed cartons?所有的硬纸盒都堆放在地板上.All the cardboard boxes lay piled on the floo...