At present, oxygen reduction reaction (ORR) catalyst has become an important obstacle to the commercial development of fuel cells (FCs), and it is extremely important to explore efficient and stable ORR catalysts. Composite catalysts formed by WS 2 attachment to two carbon substrates were...

The use of economic valuation methods to assess environmental impacts of projects and policies has grown considerably in recent years. However, environmental valuation appears to have developed independently of regulations and practice of environmental impact assessment (EIA), despite its...