Objective To evaluate the bio compatibility of isobutyl - chitosan as a material.目的:评价异 丁基 壳聚糖作为生物材料的安全性.Conclusion The isobutyl - chitosan multifunctional dressing has a good bio - safety as a wound dressing.结论异 丁基 壳聚糖多...
过去,当人发烧时医生就给他们放血.Doctors used to let blood when people got fever.过去医生以放血来减轻热度.Doctors used to let blood from people to lessen a fever.过去医生以放血来降低轻热度.Doctor used to let blood from people to lessen a fever....
my 是个所有格形容词.'My'is a possessive adjective.形容词最高级前有名词所有格或物主代词时,不能用定冠词.A wolf in a sheep's skin is our most dangerous enemy.这一词常与所有格的形容词连用.It is often used with a possessive adjective....