查询词典 lead bullion

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。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。