preparation mechanism of collagen fiber immobilized tannins and their adsorption behaviors for heavy metal ions 全部作者 ： 廖学品 第一作者单位 ： 四川大学 论文摘要 ： s a kind of novel adsorption material, collagen fi......
I. IntroductionWhen I was doing my teaching practice, I found that nearly all teachers were concerned with how to control students’ behaviors. They were often confused with such questions:—How can thi......
Inter-personal communication has played an important role in the development of Internet. It is widely accepted that people’s behaviors in cyber space are usually different from that in real life. Thi......
