Objective conidia of Pyricularia Oryzae to the screening of antimitotic constituents from marine animal sea hare.目的:利用稻瘟霉生物活性成分跟踪筛选模型,筛选海兔中抗有丝分裂活性成分....
A hydrocarbon was known to be either an alkene or alkane.某碳氢化合物已知可能是烯烃或是烷烃.The hydrocarbon must be an alkene.这个碳氢化合物必定是烯烃.The betaine will collapse to the alkene only when these two functions are eclipsed.只有当这两个基团移至重迭位置时...
屋檐下挂着冰凌。There were icicles hanging from the eaves.在屋檐下筑巢的鸟birds nesting under the eaves燕子正在我们的屋檐下筑巢.The swallows are building a nest under the roof of our house....