Through its G-Shock line, Casio has built a reputation as a maker of some of the toughest watches in the world. G-Shocks are built to withstand myriad extreme outdoor environments, but there’s one ...

IMS - 离子迁移谱技术 ，是在大气压或近大气压下，根据样品分子离子在漂移管的特征迁移时间，对微量化学成分进行快速检测。于20世纪70年代开始发展，目前离子迁移谱技术已经跃升至“快速检测有毒有害物的十大技术”之首，主要应用于爆炸物、毒品、化学 ...