目的: 制备复合氨基酸铜螯合物.Aim : To prepare the compound amino acids chelated copper.着重介绍了聚酰胺-胺 ( PAMAM ) 树状大分子钆螯合物造影剂的性质及应用研究情况.The properties and application of polyamidoamine ( PAMAM ) dendrimer - based gadolinium agents are rev...
Paul asked Tara out to dinner but she gave him the brush-off .保罗邀请塔拉外出吃饭,但遭到拒绝。These guests were given a brush off.客人们受到了冷遇.I wanted to keep in touch, but when I called him he gave me the brush-off.我想和他保持联系,但当我打电话给他时,他却不...