银白色金属镓是电子和通讯系统的一种重要材料,并且在军事和宇宙方面的应用上具有特殊重要意义。美国矿山局估计,到本世纪末,世界需求量可能达到84,000公斤,其中美国需求量可达33,000公斤。与1983年的16,200公斤的世界产量的估计数字相比,美国矿山局的预测数字表明,需求量增长率 Silver white metal gallium is an important material for electronic and communications systems and has special significance in military and cosmic applications. The U.S. Bureau of Mines estimates that by the end of the century, the world demand could reach 84,000 kilograms, of which the U.S. demand may reach 33,000 kilos. Compared with the estimated world production of 16,200 kilograms in 1983, US Bureau of Mines forecasts indicate that the growth rate of demand