初步找到了一种较为合适的由糠醛制取糠醇的生产方法.A fairly appropriate method to synthesize Furfural Furfural is preliminarily found.糠醇是一种重要化工原料,其生产方法有两种: 糠醛液相加氢和气相加氢.There are two Methods: To product furfuryl alcohol: liquid phase and gas phase...
Modern genetic mechanisms, including informational macromolecules have not always existed in their present form.目前的信息大分子为中心的遗传机制, 从历史的观点看不大可能一开始便以现存的形式见诸于世.The need for informational flexibility can lead to adhocracy.对信息...
First, global industrial output tracks the decline industrial output during the Great Depression horrifyingly closely.首先, 全球工业产值下降的轨迹与大萧条期间惊人地接近.He took her on tour of Europe, but the travel only hastened her consumptive...