Cyclization occurs readily with dilute alkali.遇到稀碱就容易环化.Menthol was obtained from lemon eucalyptus oil via cyclization and catalytic hydrogenation.以柠檬桉叶油为主要原料经环化、催化氢化二步反应得到薄荷醇.METHODS Cilnidipine was synthesized from cin...
荷兰盾在外汇交易市场的动荡中保持坚挺。During the turmoil in the foreign-exchange markets the guilder remained strong.这项协议原本会减少通勤航班市场的竞争。The deal would have reduced competition in the commuter-aircraft market.很多交易商都预测最近市场的下跌趋势还将延续。Many trad...