论文部分内容阅读
[美刊《采矿工程》报道] 1992年是银供货短缺持续的第3年。据银协会报道,1992年银供货短缺2750t。据银协会《1993年的银世界》报道,来自矿山和2次来源的银总计为15600t,而生产加工业对银的需求量为18300t。《1993年的银世界》还介绍了泰国、南朝鲜、台湾和香港使用银的情况。这些地区使用了1670t 银,为1990年银使用量(752.
[US publication “Mining Engineering” report] 1992 is the third consecutive year of shortage of silver supply. According to the Silver Association reported that in 1992 the shortage of silver supply 2750t. According to the Silver Association 1993 Silver World, the total amount of silver from the mines and secondary sources is 15,600 tons, while the production and processing industry needs 18,300 tons of silver. Silver World 1993 also introduced the use of silver in Thailand, South Korea, Taiwan and Hong Kong. In these areas, 1670 tonnes of silver were used as the 1990 silver level (752.