医生一到,土人们让开了一条路.The natives opened out as the doctor came up.她一肚子的气正好出在这个令人生气的土人身上.Her irritation found a permissible outlet in this exasperating native.土人们把肮脏的袋子从车子上卸下来.The natives unloaded the dusty sacks from the wagon...
Electrophoresis is a technique that separates macromolecules according to their net electrical charge and shape.电泳是根据分子的静电荷和形状分离大分子的技术.Methods: Cross electrophoresis of agarose - starch mixed gel was used in these experi...