Any of three gaseous isomeric ethylene hydrocarbons , C 4 H 8 , used principally in making synthetic rubbers.丁烯乙烯的三种气态同分异构体之一,C4H8, 主要用于制造合成橡胶.A key problem of oilfield data integration is that data cannot be exchanged a...
目的探讨外伤双性白内障伴无虹膜或虹膜缺损患者的有效治疗方法.Objective To inquire into an effective treatment for with injurious cataract accompanied by iridocoloboma or aniridia.目的探讨带虹膜隔人工晶状体在外伤性无虹膜无晶状体眼中的应用价值.Objective To study the preliminary effec...
Levi Strauss says counterfeits of the company's jeans are flooding Europe.利维·施特劳斯称仿冒其公司品牌的牛仔装正充斥着欧洲市场.Levi is best known for work in a very different mode from what is to be found here.利瓦伊最为人所知之处在于他的工作风格同这里的人迥然不同。Le...
气泡发生器是微泡浮选的关键.The bubble generator is the key equipment of microbubble floatation.微泡的减压, 冷水而艰巨的自动调整潜水.Automatic adjustment of decompression for microbubbles , cold water and strenuous dives.目的探讨超声破坏微泡造影剂对心肌细胞膜通透性的影响.Obje...