锂、钠、镁的金属乙酰丙酮配合物
Lithium
sodium and magnesium coordination compounds with acetylacetone
中功率钪钠型金属卤化物灯
medium wattage Sodium Scandium Metal Halide lamps
非金属-金属转化
nonmetal-metal transition
金属－金属髋关节假体
Metal-on-metal hip prostheses
多金属金精矿
Polymetallic gold concentrate