冶炼

Second, aggravating the structural contradictions in China's copper smelting industry.

第二，加剧了中国的铜冶炼行业的结构性矛盾。

The computing formulae for oxygen concentration in the BF blast air have been proposed.

本文的这些算式对指导富氧喷煤的高炉冶炼是有一定作用的。

By optimizing smelting-technology,controlling the component of slag effectively, optimizing air supply model of bottom blown and improving the the technology of slag splashing ,the problem of bottom rising and air brick corrosion have been solved, the effect of bottom blown has been increased, the quality of molten steel has been improved.

概述了唐钢第一钢轧厂转炉顶底复吹工艺的情况，通过对转炉冶炼工艺的优化，炉渣成分的有效控制、底吹模式的优化、溅渣护炉工艺的改进，解决了炉底上涨与透气砖侵蚀的问题，提高了底吹效果，改善了钢水质量。

Silicon tiny powder is tiny amorphism grain that is carried out by smoke when we smelt ferrosilicon and metal silicon. Its major composition is SiO2, and it has superior pozzuolana performance.

硅微粉是冶炼硅铁和金属硅时被烟气带出炉外的无晶形细颗粒，其主要成分是SiO2，具有优越的火山灰性能。

On this foundation, systems analysis arrive from smelt the aptness of the craft parameter in rolling process.

在此基础上，系统分析了从冶炼到轧制过程中的工艺参数的适合性。

Arc furnace,it is put forward that an optimum heat distribution relationship exists between the reaction area and furnace charge area,in view of this,a simple smelting model of submerged?arc furnace is set up.

摘 要 从铁合金矿热炉内的等效电路及其热分布出发，提出冶炼过程中炉内反应区和炉料区之间存在着一个最佳的配热关系，由此而建立起铁合金矿热炉简单的熔炼模型。

Argon blowing in tundish is a new technology for production of clean steel.

中间包吹氩是适应洁净钢冶炼的新技术、新方法。

For asphaltum mixing, nonferrous metals smelt, ceramics, glass, concrete and steel works.

适用于沥青搅拌、有色金属冶炼、陶瓷、玻璃、水泥行业的窑头、钢厂高炉煤气等工况的收尘。

A large proportion of China's new alumina capacity is also forced to rely on increasingly expensive bauxite imports.

此外，中国新增的铝冶炼产能中，很大一部分还不得不依靠日益昂贵的进口铝土矿。

And de la rue has also many which are not included worn by hindu ladies on the forehead and that light the fire, and from his broadly grinning with pleasure because the place smelt so nice, iiird, bayeux experienced nearly the same fate perhaps they are.

与德拉鲁也很多，其中不包括在内佩戴印度教女士们，对前额，并点燃火灾，并从他的大致笑嘻嘻与喜悦，是因为地方冶炼，使尼斯， iiird ，巴约经历了近同样的命运，或许他们。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失