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...
Chris crawled on his hands and knees out onto the highway.克里斯手脚并用爬上了公路。She crawled on all fours over to the window.她爬到窗边。They looked rather comical as they crawled up precarious ladders.他们顺着摇摇晃晃的梯子往上爬，看起来非常滑稽。...