Finally, a new methodology, based on Mn (III) promoted carbon radical reactions, was developed to provide intermediates that should be useful in the synthesis of pterocarpan phytoalexins.

第三部分介绍了醋酸锰引发的碳自由基与杂芳烃的选择性反应，并将该方法成功地应用到天然产物紫檀素关键中间体的合成中。

youdao

Britain must be prepared to embark on radical steps, such as the introduction of personal carbon trading, if it is to play a leading role in combating climate change.

英国必须为采取彻底的措施做准备，比如引入个人碳交易——假如它真的能在与气候变化的抗争中起到主导作用的话。

youdao

A stable radical intermediate is a necessary requisite to loss of carbon dioxide.

一个稳定自由基的中间体是脱除二氧化碳所需的必要条件。

youdao

Right from the start, Mr Obama wanted his Recovery Act to spend money on a low-carbon future, on radical school reform, on health reform and on creating jobs.

ECONOMIST: What did Barack Obama��s stimulus package really achieve?

Under Rex Tillerson, the current boss, policy changed to support for a carbon tax, a proposal so much more radical than the cap-and-trade emissions bills on offer that critics suspected it of being an intentional distraction.

ECONOMIST: ExxonMobil

It regreted that the cross-party support for the long-term targets in the Climate Change (Scotland) Act 2009 had "not been followed by consensus on the urgent and radical policy changes needed to bring about a low-carbon economy".

BBC: Decision time