The results show that all of the 3 kinds of nano-CuO can change the reacting processes of tungstentype delay composition.
主要工作有化学沉积-共沉淀法制备钨延期药的研究、产品结构对点火能量影响研究和产品结构改进的研究。
2
The deposit, refers to the stockwork sulphide tungsten deposit of porphyry type with associated gold which can meet the requirement of utilization.
矿床为斑岩型网脉状硫化物钨矿床，该矿床伴生可供利用的金。
3
Special type non-standard products: Rectangle type and hexahedron type of hard alloy products and tungsten base high specific alloy products for military application.