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。
Currently, the apparatus used in distillation and other chemical reactions include round bottom flask, two necked bottle, three necked bottle, and etc.
现行的用于蒸馏和化学反应的烧瓶类玻璃仪器，有园底烧瓶、两颈瓶、三颈瓶等。
It mainly consists of mattress body with round and rectangular recess, isolating casing, duct, urine flask, and quilt cover;
主要由带圆形及长方形凹槽的垫体、分隔套、导流管、尿壶、防踢被盖组合而成；
It mainly consists of mattress body with round and rectangular recess, isolating casing, duct, urine flask, and quilt cover;
主要由带圆形及长方形凹槽的垫体、分隔套、导流管、尿壶、防踢被盖组合而成；
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