缓慢的流速足以防止还原剂的散失.A low rate is enough to prevent flushing of reductants.还原的烟酰胺核苷酸对固态酶可以起还原剂的作用.Reduced nicotinamide nucleotides can function as reductants to nitrogenase.许多金属冶炼操作中需要碳作为还原剂.Carbon is needed as a reducing ag...
Someone was making a low, keening noise.有人正在低声哀泣。Feel the rush the wind against your skin and hear her keening cry in your ears.用你的肌肤感受风的冲撞,用你的耳朵倾听她的高歌,仔细聆听她的呼唤吧!It is the wild Irish women keening over their dead ( Georg...
介绍了以高硬度的M2B硼化物为耐磨骨架的新型铁基 耐磨 材料FCB合金.This paper presents a new type of Fe - base wear - resistant materials - FCB alloys.硼化物系列主要产品有: 硼酸 、 硼砂等.Boride series of main products: boric acid, borax, and so on.硼及其硼化物在现代工业中有着广阔的应...