Covering关键词检索结果

EPA对其产生的一些最有毒的化学物质视而不见

EPA is Turning a Blind Eye to Some of the Most Toxic Chemicals it Produces

“Advanced recycling” is a toxic scam — now the EPA is turning a blind eye to some of the most toxic chemicals it produces – Environment Defense Fund, EDF Health What’s new: Last month, the Environmental Protection Agency (EPA) withdrew a proposed rule covering 18 new chemicals, which would have paus

博士生研究发现有毒废物中有价值的稀土元素

Doctoral student’s research finds valuable rare earth elements in toxic waste

Adam Smerigan, a doctoral candidate in Penn State’s Robert V. Waltemeyer Department of Chemical Engineering, works with Professor Rui Shi in the Sustainable Design, Systems and Decision-Making Lab to focus on finding treasure in the trash — recovering rare earth minerals, such as neodymium, cerium,