Nefedipine was synthesized with m - Nitrobenzaldehyde, ethyl acetoacetate ammonium acetate.以间硝基苯甲醛, 乙酰乙酸乙酯,氨化试剂为原料.The cross - linking reaction between dialdehyde compound and cellulose acetate raises the chemical stabil...
Ethyl acetate ( 71 . 41 b ) was added to the slurry in the vessel.把醋酸乙酯 71.4 磅加到容器中的浆液内.The reverse of Reaction 11 for acetate may be combined with the electron acceptor reactions.对于醋酸盐、反应11的逆反应可以与电子接受体反应组合在一起.In benzene...
I felt impelled to go on speaking.我感到不得不继续说下去。He felt impelled to investigate further.他觉得有必要作进一步调查。Faith that justice would prevail impelled us forward.正义必胜的信念激励着我们前进....
The soil is reasonably moist after the September rain.9月的雨季过后，土壤已相当湿润。Frogs produce slime to keep their skin moist.青蛙分泌出黏液来使皮肤保持湿润。Besmear face, good color of moist a person.涂面, 令人润泽好颜色.Lanolin acts as a humectant absorb...
The civil war is obstructing distribution of famine relief by aid agencies.内战阻碍着救援机构对饥荒赈济物资的配给。Many women feel ageism is obstructing their career ambitions.许多女性感到年龄歧视问题正阻碍着她们职业抱负的实现。You can't park here, you're ...
她把包装盒子的玻璃纸撕了下来。She tore the cellophane wrapping off the box.玻璃纸系由长形纤维分子组成.Cellophane is made of long, fibrous molecules.插入红色或蓝色的玻璃纸,观察条纹宽度的变化.Interpose red or blue cellophane and observe the change in the width of the fr...