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...
If you have been thinking about buying shares, now could be the time to take the plunge.如果你一直在考虑购买股票，现在或许是采取行动的最好时机。Indeed, if many investors abjure the listing , those who hold their noses and take the plunge might make...
In Chapter 3, I shall describe some of the documentation that I gathered.在第三章，我会介绍我收集到的一些文献记录。Britain's trade figures can no longer be extracted from export-and-import documentation at ports.英国的贸易数据现在不能再从各港口的进出口单证中提...