I wish you would repeat chevy chase as you did yesterday: it was extremely funny.但愿你再念一遍猎歌,象昨天念的那样,真是太可笑了.Weekly repairs on my old Chevy were nickel - and - diming me to death.每个星期修我那部雪佛兰老爷车一点一滴地把我榨穷了.I had to make some ...
These stresses arise from the exothermic nature of the reaction during gelation and cure.这种残余应力系由凝胶和固化期间化学反应能放出的热引起的.When an aqueous solution of the protein gelation is cooled, a polyer gel is formed.蛋白质明胶水溶液冷却时形成聚合体凝胶.T...