两边栽有欧椴树的林荫道an avenue of limes两边有雄伟高大栗树的林荫道an avenue of stately chestnut trees宽阔的林荫道上,汽车川流不息.Automobiles speed in an endless stream along the boulevard....
Magnesium phthalate dihydrate was synthesized by rheological phase reaction.用流变相反应法合成了二水邻苯二甲酸镁.The crystallization course of dihydrate calcium sulphate affected by APA was also researched.另外还研究了添加不同类型的活化疏松剂对二水硫酸钙结晶过程的影响....
这封信只不过重复了一下土地法。The letter merely restated the law of the land.能从其他废料中分离出可重复利用成分是很关键的。The ability to separate out reusable elements from other waste is crucial.他不想刻意重复那种讲话的语调。He is not attempting necessarily to reproduce ...
常常是用离心法分段收集沉淀的.Precipitates are usually collected by centrifugation at intervals.它可以用离心法分离.This can be separated by centrifugation.结论: 密度梯度离心法分离获得的人胚胎骨髓间充质干细胞纯度高.Conclusion: High purity of MSC can be obtained by density ...