科学技术行业目录
-
The Royal Society of Chemistry
Advancing excellence, connecting chemical scientists and shaping the future of the chemical sciences for the benefit of humanity.
www.rsc.org - 2019-10-24 详细 -
Engineering Village - Login
Engineering Village offers access to 12 engineering literature and patent databases providing coverage from a wide range of trusted engineering sources.
www.engineeringvillage.com - 2019-10-24 详细