搜索 - 科创

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悲劇都是自激震盪的只不過一個是自激推挽一個是單管RCC變換推挽式的功率大但是反饋比較難調整單管RCC相對來說調節比較簡單只是輸出功率的不同

引用第18楼ss3070于2012-07-17 01:35发表的 :我们有4大发明还不够吗？远远不够，我们的四大发明是华夏人民发明的，也不是PRC时代发明的，，PRC时代科学技术的创举不多····...

好消息好消息Birch还原不用液氨了可以参考一下最近发的这篇science如图作者对于不同底物的测试以及放大测试进行Birch还原同时可以进行铜介导的偶联反应

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