This derivation is only valid if no chain scission accompanies crosslinking.这一关系式仅适用于交联时不伴有断链发生的情况.The reaction of chain scission is first - order reaction.白油的断链为一级反应.The research on producing 10 - hydroxy decanoic acid ...
Pitchblende and chalcolite are much more radioactive than uranium itself.沥清铀矿和铜铀云母比纯铀的放射性强得多.Chalcolite ( crystallized phosphate of copper and uranium ) is about twice as radioactive as uranium.铜铀云母 ( 铜和铀的磷酸盐结晶体 ) 的放射性是铀...
Unleaded gasoline rose more than a penny a gallon.无铅汽油每加仑涨了1分多。Certain truck gasoline tanks can rupture and burn in a collision.某些卡车的油箱在碰撞时可能发生爆裂并起火。What happens when food and gasoline supplies run low?如果食物和汽油供应减少，会出现什么情...
他的散文文笔有力、内容庞杂，有时几近晦涩。His prose is vigorous and dense, occasionally to the point of obscurity.从他的文笔可以看出他思维敏捷。Everything he writes demonstrates the acuteness of his intelligence.他文笔优美，适合当诗人。He writes beautifully, as befits...