recognize的用法? Accident prevention is an activity that must be planned and be systematic with personnel actively participating and recognize their roles in the activities(原文). 标蓝处,个人觉得应该用recognizing才对啊,不知海米们是何意见?查看更多1个回答 . 4人已关注
请问高人,如何通过13C NMR计算金属与碳的耦合常数1J M- ...? 文献上说: C-13 NMR is very useful for elucidation of the nature of metal-carbon bondings of organometallic compounds. 并且可以算出金属与碳的耦合常数, 请问高人,对于金属有机化合物,如何通过13C NMR计算金属与碳的耦合常数1J M-C 现在修改文章需要用,请高手指点迷津,先谢过了查看更多1个回答 . 5人已关注