Vanadium-bearing carbonaceous shale is a new type of vanadium ore. All-vanadium REDOX flow cell is a new energy storage unit. The battery has been developed.
含钒石煤是我国的一种新型钒矿资源,本文用从石煤中提取的V_2O_5研制全钒氧化还原电池。
Technology of smooth blasting of drifting in carbonaceous shale incompetent bed is discussed in this paper.
介绍东乡铜矿在碳质页巖软巖中掘进平巷时所采用的光面爆破技术。
Gold mineralization of the zone is confined only to the Cambrian carbonaceous shale overlain by siliceous rocks, and apparently controlled by a premineral tough shear zone.