采用两步交联法合成了可生物降解聚天冬氨酸水凝胶.Biodegradable poly ( L - aspartic acid ) hydrogels were synthesized by a two step cross - linking reaction.智能水凝胶作为药物载体有着良好的应用前景.Intelligent hydrogels have enormous potential in the application as ...
我们提供最佳的价格是每箱200美地,你觉得怎样?Our best offer is $ 200 per case.这条蓝宝石项炼非常美地衬托出她的眼睛.The sapphire necklace set off her eyes beautifully.有一处良田美地等待我们去认领.There is a fine estate awaiting a claimant....