This paper analyzes the glyceryl polyether by nuclear magnetic resonance ( NMR ) spectroscopy .用 核磁共振 分析了甘油聚醚.The preparation of catalysts , yield of glyceryl triacetate and and demerits the catalysts were introduced bri...
Many people are worryingly ignorant of the facts about global warming.许多人竟然不知道地球变暖的事实，实在令人担忧。The rate of assaults was worryingly high.袭击案频发令人担忧。Worryingly for those in favour of competition, the Minister has been resista...