Aryl nitrile compounds are widely used in the synthesis of natural products, functional materials,medicines, agricultural chemicals, and dyes.1 Traditional meth
Know More windbreak(防风林)是利用森林的防护、绿化、净化、防风固沙、水土保持及涵养水源等功能,以防御自然灾害、维护基础设施、保护生产、改善环境,以及维持生态平衡等为主要目的的森林群落。根据其防护目的和效能,又可以将其分为水源涵养林、水土保持林、防风固沙林、农田牧场防护林、护路林、护岸林、海防林及环境保护林等。 参考译文 如今,我为我国的森林和同胞们的未来感到担忧。我担心像
The heavier group 14 complexes are receiving increasing attention,1 and in some cases these main group compounds display reactivities as rich as transition meta