通过薄层色谱试验表明,茜草藤的正丁醇萃取液在硅胶板上可分离出清晰的7个斑点.Conclusion 7 spots were clearly distinguishable on the TLC plate.结果盐酸乙胺丁醇 、 利福平、吡嗪酰胺和异烟肼均具有良好的色谱行为.Results Ethambutol hydrochloride, isoniazid, pyrazinamide and rifampicin all had go...
很多难民村落都在偏远地区。Many of the refugee villages are in isolated areas.乡村村落彼此离得很远，而且通常规模很小。Rural communities are widely separated and often small.他们已试着按铁器时代的样子重建这个小村落。They have tried to reconstruct the settlement as it would ha...
Industrial waste burned on the surface of Lake Erie near Cleveland in 1970.1970年工业废物污染了克利夫兰附近的伊利湖湖面.Cleveland has always had a reputation for being a dirty, ugly, boring city, though now they say it is much better.克利夫兰一直...
The dogs continued to paw and claw frantically at the chain mesh.那些狗继续用爪子疯狂地抓铁丝网。The islands lie at the southern end of the Kurile chain.这些岛屿位于千岛群岛的南端。Whenever recession strikes, a chain reaction is set into motion.只要经济不...