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...
Ball - type automatic balancers are employed widely in optical disk drive industry.目前在光碟机减振上应用最广泛的装置之一为滚珠型自动平衡装置.While hardware balancers may outperform software - based balancers, their flexibility is always limited.虽然硬...