这些不稳定性促使琼脂糖和琼脂糖 -- 丙烯酰胺凝胶的发展.These liabilities prompted development of agarose and agarose - acrylamide gels.琼脂糖是一种天然的直链多糖.Agarose is naturally linear polysaccharide.方法: 淀粉 - 琼脂糖混合凝胶交叉电泳.Methods: Cross electrophoresis of...
Vanadium seldom forms mineral deposit. It is mainly exist in vanadium titanomagnetite coal gangue and claystone.钒一般很少单独形成矿床, 它主要赋存于钒钛磁铁矿、石煤矿、粘土岩中.Coupled unsaturated flow in claystone has high effect on strength and stab...
The project is taking a long time but is now nearing completion.这个项目耗时很长,但现在就快结束了。The project is nearing completion.这个项目即将结束。The aircraft was nearing obsolescence by early 1942.这种飞机在1942年年初就濒临淘汰了。...
He glanced admiringly at the design.他钦佩地看了看那个设计。He looked at it admiringly. " That dog will cost you ten dollars. "老头用赞赏的神气看着它, “ 这只狗要十美元. ”A moment later he says admiringly, " that tracking system is amazing. "过了一会儿,他赞叹...