Quantitative analysis of protein adsorption was done by Bradford method.Bradford方法定量分析明胶、胶原和RGD多 肽的表面吸附量.I spent a lot of time in the early Eighties travelling between London and Bradford.八十年代初，我有很多时间穿梭于伦敦和布拉德福德之间。The fi...
Most species live off aquatic snails.绝大多数种类以吃螺为生。Aquatic sports include swimming and rowing.水上运动包括游泳和划船.Visitors can view a rich and colorful array of aquatic plants and animals.游客们可以看到一系列各种各样、色彩斑斓的水生动植物。...
9月到了,早晨已有了寒意.September is here, bringing with it a chill in the mornings.他今天早晨已想尽办法与她联系。This morning he had tried every way possible to contact her.那个凉爽而晴朗的早晨让他异常兴奋。He felt strangely exhilarated by the brisk, blue mornin...