Electron microscopy has revolutionized the study of crystal imperfections.电子显微学已经革新了对晶体不完整性的研究.These features are examined by optical microscopy, scanning electron microscopy, and transmission electron microscopy.这些图形可以用...
低卡路里干酪是奶油干酪的极佳替代品。Reduced-calorie cheese is a great substitute for cream cheese.对于很多人来说，他们显然可以作为一般旅行车的替代品。For many they clearly represent an alternative to run-of-the-mill estate cars.有了越来越受欢迎的替代品。There is an increasingl...
For those who work on the site, bridging is hard in other ways.在其它方面,对现场施工人员来说, 架桥则是一项很艰苦的工作.Homogeneous bridging groups always raise the glass temperature.同类桥联基因总是提高玻璃化温度.Heterogeneous bridging groups can raise the glas...
The important fators which affect culture conditions of ? Halobacterium halobium ? B were screened by Plackett? Burman design.利用Plackett-Burman设计筛选出影响盐生盐杆菌( Halobacteriumhalobium )B培养条件的重要因素,然后利用正交试验设计对这些重要因素加以优化....