2026-04-14 05:31 浏览次数 20
圆下摆
圆底
The forming accuracy of flat and round bottomed cylindrical shells formed by hydraulic counter pressure deep drawing is investigated.
本文系统地研究了平底和球面圆筒形件充液拉深成形精度。
This method involves freezing the protein solution on the walls of a round bottomed flask and sublimating the liquid in a vacuum.
这个方法包括将蛋白质溶液在圆底烧瓶的瓶壁上冰冻,和在真空中让液体升华。