方法: 采取凝胶过滤方法分别提纯上述花粉变应原.METHODS: The pollen allergens were purified by gelatin filtration.目的从樟树花粉中克隆泛变应原基因.Objective To clone new panallergen genes from pollen Cinnamomum camphora.观察125例变态反应性鼻炎变应原鼻内激发试验前后鼻阻力变化.Allergen n...
He loves entertaining his friends with ribald stories.他喜欢用下流故事来逗他的朋友们开心.The answer was lost in a shout of ribald laughter.回答被一阵下流的狂笑声掩盖了.This ribald ad by Durex works the participation angle.杜蕾斯的这个猥琐的广告还挺注重用户参与的....
本文着重阐述了渐开线齿轮齿根过渡曲线的确定以及使用微机设计齿轮指形铣刀样板的方法.It is rapid and accurate in design and drawing the finger milling - cutter templet with CAD.门式折叠是两次折叠, 它由样板的宽度来决定.The gatefold is a double fold, and is determined by the width of ...