目的制备止血模, 研究壳聚糖 、 明胶、PEG400间的用量比及己二醛溶液的使用对止血膜机械性能的影响. Objective To prepare arresting bleeding film, study the dosage proportion of chitosan, gelatin and PEG 400.
The Baptistery is a stately rotunda, of huge dimensions, and was a costly structure.浸礼堂, 是个面积巨大的圆厅, 也是座豪华的建筑.Priceless antique furniture was destroyed in the fire at the stately home.那座富丽堂皇的宅第里价值连城的古董家具在大火中付之一炬了。Instead ...