The third , Hi-dense can release fluoride slowly, but silver amalgam alloy can't.
第三，银粉玻璃离子具有缓慢释放氟离子的特性，而银汞合金没有。
Self-lubricating wear resistant coating is prepared by plasma spraying using chromium carbide, nickel chrome, fluoride-metal, and silver composite materials.
采用碳化铬、镍铬合金、氟化物共晶体和银的复合粉末为原料，通过等离子体喷涂方法制备高温耐磨自润滑涂层。
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