研究了铬转化率与焙烧温度、配碱量、返渣氧化铜的量等条件的关系。
The relation. between the con- verting rate of chromium and roasting temperature , the amount of soda , the amount of back slag - copper oxide are also studied.
虽然果肉本身不含毒素，但其茎和叶却饱含一种叫做配糖生物碱的化学物质。
Though the fruit itself doesn't contain poison, the stem as well as the leaves contain a chemical known as glycoalkaloid.
讨论了配位基的形状，反应物的构造，碱的类型以及反应时间对反应速率和立体选择性的影响。
The effects of the structure of ligands and substrates, the type of alkali, and reaction time on rate of reaction and stereoselectivity were discussed.
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