论文部分内容阅读
5.价格在几种商业杂志上定期公布的各种图表展示了锑矿石、金属锑、氧化锑和几种锑化物的价格范围。其中不但包括生产价格,商品价格,而且还包括了杂志自身根据买卖双方提供的信息对某些规格商品审估的价格。自七十年代中期以来,一些杂志已经停止公布有关锑的任何价格,而另一些杂志则又减少了所涉及的材料范围,所以可得到的各种信息一直在减少。 1983年初,《金属通报》公布的价格是:含锑60%的硫化锑块矿每公吨度锑为14—15美元,相当于欧洲港的到港价格,即
5. Price Various charts regularly published in several trade magazines illustrate the price range of antimony ores, metallic antimony, antimony oxide and several antimonides. Including not only the production price, the commodity price, but also includes the magazine itself according to the information provided by both buyers and sellers on the price of certain specifications of goods. Since the mid-1970s, some magazines have stopped announcing any price for antimony, while others have reduced the range of materials involved, so the variety of information available has been declining. In early 1983, “Metal Bulletin” announced the price is: antimony 60% antimony sulfide ore per tonne of antimony for 14-15 US dollars, equivalent to the European port arrival price, that is