限塑令国外也有,效果似乎不错,超市中塑料袋使用率有了显著下降 “The Plastic bag ban has certainly changed consumer behaviour with 84% of primary shoppers reportedly now taking re-usable bags to the supermarket, a significant increase from 44%.” 然而,还有另一面,垃圾袋的购买量增加了 “the ...
文献.pdf就快要消失啦!Elsevier已经退出了全新的文献阅读试用装,名为Article of the Future,以后网上查阅文献不再是固定的introduction--materialmethod--results...格式,整个页面分为左中右三块,左边是是文章目录,方便随时跳转到感兴趣的section,右边是引文链接,随时可以查看引文,中间则在abstract前有个hig ...