查询词典 bullion lead

There is a big problem that too much sulphur is wasted in lead bullion pyro-refining process by adding sulphur directly in northwest metallurgy of lead and zinc factory. As to the problem, a new method to decopper from lead billion through changing sulphur to PbS is invented.

针对西北铅锌厂粗铅火法精炼过程中，直接加单质硫进行除铜而出现硫损过大的问题，对除铜工艺中硫的利用方式进行了研究，提出一种除铜新工艺，即利用硫化铅代替单质硫进行除铜。

This rearch is carried on for the purpose of finding a new technique of separating precious metals from lead bullion.

从贵铅中提银都是采用传统的灰吹法，灰吹法不论是技术方面还是经济方面都存在一些缺点，为寻求分离贵金属的新工艺，进行了试验研完。

The paper introduced the practice in realizing stable and high output continuously by the rational modification of operation and equipment of the lead bullion system in No.

介绍水口山三厂粗铅系统操作和设备的合理改进，实现持续稳产高产的生产实践。

Gluskin Sheff, a Canadian asset-management firm, suggests that if China followed India's lead, bullion could hit $1,400 an ounce.

加拿大的一家资产管理公司Gluskin Sheff认为如果中国跟随印度，那么金价可能达到1400美元每盎司。

On the basis of the fundamental theory as illustrated in binary Pb-Ag system,a segregating method by crystallization has been adopted to separate lead from lead-silver bullion of 20-25wt% Ag,and thus a production alloy more than 90 wt % Ag was obtained.

根据 Pb—Ag 二元相图的基本理论，采用凝析结晶分离的方法，分离铅银合金，使合金中的含 Ag 量由20～25%富集到95%以上，并探索了分离过程中的一些基本规律和现象。

The impact of sulphur overcharge percentage, heating temperature and heating time on percent formation of PbS are studied, and the PbS overcharge percentage, heating time and agitation time for decoppering from lead bullion are investigated too.

在本实验中，对硫加入过量率、加热温度、加热时间等制备PbS的工艺条件进行了研究，并确定了加PbS除铜工艺的最佳硫化铅用量，最佳搅拌时间等技术条件。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。