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 ...
Outdoors, mosquitoes and midges were a perpetual torment.在户外，蚊子和蠓虫永远让人不得安生。The breeze died away; midges began to bite.风息了; 蛟蚋开始叮人.Methods: To collect midges with bed - curtain , insect net and light trap.方法: 采用帐诱、灯诱和挥网采集...