Objective To analysis the reason, clinical manifestation, diagnosis and therapy of gastroplegia after abdominal surgery.目的探讨腹部外科术后发生胃瘫的原因 、 临床表现 、 诊断及治疗措施....
The microspore culture technology has been widely applied in Brassica species nowadays.随着芸苔属作物小孢子培养技术的日趋成熟,应用范围也越来越广泛.Meiosis of microspore mother cells is synchronous or unsynchronous.小孢子母细胞减数分裂同步或不同步.Complete disintegr...
动物学家把螺蛳归入甲壳类.Zoologists refer barnacles to Crustanceans.卢布克爵士最近指出, 小型甲壳类中有几种较好的例子,可作为这一法则的说明.Sir. J . Lubbock has recently remarked , that several minute crustaceans offer excellent illustration of this law.它们吃其他的鱼类 、 甲壳...