This article emphasizes on the import pricing process and the formula of computation for the lead concentrates.
论文重点研究铅精矿进口定价过程及铅精矿进口价格计算方法。
The speciation of silver in the lead concentrates were analyzed by means of optical microscope and electron probe micro-analyser (EPMA).
利用光学显微镜、电子探针对铅精矿中银的赋存状态进行了分析。
Through the use of AAS, high content lead in lead concentrates is determined, it's recovery efficiency is over 98.20%, the result is good.
采用原子吸收分光光度法测定铅精矿中高含量铅，其回收率为98 2 0 %以上，结果较满意。
The metal price quotations specified under this contract are the quotations currently in general use for the pricing of the Lead metal content of Lead concentrates.
该本协议的金属报价是根据精炼铅铅品位按照当前常用的计价方法来计价的。
Emphasis of the paper is placed on investigation of chloride hydrometallurgy of lead, which includes direct electrolysis of lead concentrates, ferric chloride leaching of lead$…
重点放在铅的氯化湿法冶金，包括铅精矿直接电解、铅精矿的三氯化铁浸出、从中间产物氯化铅中回收铅及复杂硫化矿处理的研究。
A novel technology of soda-lead concentrates reverberatory furnace smelting is put forward according to the characteristics of copper dross with low sulfur and high copper content.
针对某冶炼厂生产浮渣含硫低、含铜高的特点，提出了苏打—铅精矿反射炉熔炼新工艺。
The results indicated that large amounts of non-natural silver grains existed in this branch of lead concentrates and the silver grains were distributed around the galena in a loose flocculating form.
结果表明，此批铅精矿含有大量的非天然银矿物，银颗粒呈疏松絮状物分布在方铅矿周围。
铅矿砂及其精矿。
This and the lower production of bulk concentrates containing significant amounts of lead led to abandoning more and more the Imperial Smelting process.
因此，并且随着含有大量铅的精矿产量的减少，帝国熔炼工艺越来越少应用。
It is particularly indicated for treating concentrates with a significant amount of lead.
它的特别之处是用大量的铅处理锌精矿。
Extraction of lead from sulfide concentrates by hydrometallurgical routes is a potentially attractive method.
通过湿法冶金途径从硫化铅精矿中提取铅，是颇具吸引力的方法。
The lead in stibium concentrates has been determined by using the method with satisfactory results.
用本法测定锑精矿中铅，获得满意的结果。
Ausmelt 's top submerged lance technology is an established continuous process for smelting lead sulphide concentrates.
奥斯麦特顶吹浸没式熔炼技术是一个成熟的铅精矿连续熔炼工艺。
Ireland is now the largest producer of lead and zinc concentrates in Europe.
爱尔兰历尽千心万苦，终于成为欧洲最大的铅和锌的生产国。
The company concentrates on the development of the lead-in correspondence equipments and the electronics information product and produce, sell, serves.
公司致力于无线通信设备及电子信息产品的研发、生产、销售及服务。
The company concentrates on the development of the lead-in correspondence equipments and the electronics information product and produce, sell, serves.
公司致力于无线通信设备及电子信息产品的研发、生产、销售及服务。
应用推荐