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前言锰在钢铁工业中占十分重要的地位。世界上锰总量约95％用于钢铁工业。随着钢铁工业的发展。锰原料的生产日益引起人们的重视。世界锰矿石的产量一般以每年5％的幅度增长。1972年世界锰矿石的总产量为2068万吨,1975年为2280万吨。苏联是世界上最大的产锰国家,占世界总产量的35％至40％。苏联锰产量的85％用于国内。其他主要产锰国
Preface Manganese plays a very important role in the steel industry. About 95% of the world’s total manganese is used in the steel industry. With the development of the steel industry. The production of manganese raw materials has drawn increasing attention. The world’s manganese ore production is generally 5% annual increase. The world’s total output of manganese ore in 1972 was 20.68 million tons, compared with 22.8 million tons in 1975. The Soviet Union is the largest manganese producer in the world, accounting for 35% to 40% of the world’s total output. 85% of the Soviet Union’s manganese output is for domestic use. Other major manganese countries