当反应温度高于聚合上限温度时,聚合物会解聚成小分子单体.A chain - growth polymer raised above the ceiling temperature will degrade, or depolymerize.以肝素钠为原料,经成盐 、 酯化 、 解聚和纯化得到依诺肝素钠.Enoxaparin sodium was prepared from heparin sodium via salinization,...
Friends passed the word that the miners wanted to see him.朋友们传话说矿工们想见他。Miners have been thrown on the scrapheap with no prospects.大批矿工被解雇，工作没着落。Though mine safety has much improved, miners' families still fear the w...
这会造成漏气，破坏罐子的密封性。This would permit air to enter, breaking the hermetic seal of the jar.完全密封性,可于任何方向使用均不漏液.Leak proof construction . Usable and rechargeable along any direction.摘要套管损坏主要分为套管变形 、 破损和密封性破坏3类.Casing damages ar...
Jamie was adroit at flattering others.杰米很会拍马屁.She is a remarkably adroit and determined politician.她是一位异常精明果断的政治家。Asking one adroit question after another, Rhoda soon drew out the key facts about him.罗达接连提了几个很内行的问题, 很快就弄...