The reactivity of wheat straw soda lignin ( WSSL ) can be improved by demethylation modification.麦草 碱木素在碱催化下经脱甲基改性可提高其反应活性.Benzbromarone was synthesized from salicylaldehyde by condensation with chloroacetone, reduction,...
This little letter gave us a few chuckles, I can tell you.说真的，我们看了这封短信都笑了。[ Chuckles ] You thought he was being poisoned by hemlock?你觉得他中的会是芹叶钩吻毒 吗 ?James : ( chuckles ) That's not exactly what I had in mind.我不是这个意思...