它能生产有价值的方材并能在非常干旱、其它多数大乔木长不了的地方旺盛生长.It produces valuable lumber and thrives on sites too dry for most other large trees.形态特征: 常绿大乔木, 树皮为灰色且光滑, 小枝红棕色.Configuration feature: Constant green large tree, bark is gray and smoo...
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...
介绍了一种在凝胶体系中用扩散法制备草酸亚铁的结晶方法.A diffusion method for the preparation of ferrous oxalate in a gel system was presented.实验结果表明:添加有氯化亚铁的细水雾,其灭火性能发生了显著变化.This paper presents an experimental study of fire suppression effectivene...