Brass, copper, stainless steel, bismuth, and lead are all suitable.黄铜 、 铜 、 不锈钢 、 铋及铅都是适合的.Aim To study the effects of chitosan - bismuth on experimental rat ulcer models.目的研究壳聚糖铋对大鼠实验性胃溃疡模型的影响.Tin - bismuth alloy was el...
Brass, copper, stainless steel, bismuth, and lead are all suitable.黄铜 、 铜 、 不锈钢 、 铋及铅都是适合的.Tin - bismuth alloy was electroplating by electrodepositing associated with ultrasonic agitation.将超声和电沉积相结合电镀了锡铋合金.Aim To study t...
Minute fragments of shoot apices are proverbially difficult to culture.微小的茎尖切段通常是难以培养的.This concept has now been replaced, for stem apices, by the tunica - corpus theory.此观点目前已经被原套原体学说所取代....
囚犯撒野闹事，砸毁了所有挡路的东西。The prisoners went on the rampage destroying everything in their way.去年，600名犯人闹事，他们纵火并设置路障。Last year 600 inmates rioted, starting fires and building barricades.警察不分闹事者与观众统统一顿猛击，把人们清除出了足球场。The police, ra...