Vascular endothelial progenitor cells ( EPCs ) are the precursors of endothelial cells ( EC ) .血管内皮 祖 细胞是血管内皮细胞的前体.Objective : To evaluate the effect of thrombin in endothelial cell permeability.目的: 评价凝血酶对血管内皮细胞通透性的影响及其机...
陈腐的方式Fossilized ways约翰正在对陈腐的诗风做迂回冗长的研究。John is making a periphrastic study in a worn-out poetical fashion.它本是一件老朽陈腐的东西, 很少有人愿意去研究它.It was an obsolete thing, and few cared to study it....
某些病毒的核衣壳是由被膜所包绕.In some viruses the nucleocapsid is surrounded by an envelope.衣壳同包围它的核酸一起称为核衣壳.The capsid together with the enclosed nucleic acid is the nucleocapsid.其核酸结构为线状双股DNA, 衣壳为二十面体对称,有囊膜.It has linear double stra...