冶炼

It analyzes the disadvantages in the smelting of blast furnace and provides an important base for rational use of ironstones in iron-smelting .

对高炉使用的两种含铁块矿进行了冶金性能的测定，分析了其高炉冶炼中的不利因素，对在炼铁中合理使用块矿提供了重要依据。

An ancient legend explains how pitch lake came to be:many centuries ago two indian tribes fought a great battle.the victorious tribe built a village and held a victory celebration,they killed hundreds of beautiful hummingbirds,ate them,and used their feathers to decorate their clothing.the great spirit was so angered that the birds had been killed that he caused the entire village to sink into the earth.the crater where the village stood has been filled wish asphalt ever since.

一则古老的传说解释了沥青湖的来历：许多世纪以前，两个印地安人部落打了一次大仗，获胜的部落建立了一个村庄，并举行胜利庆典，他们杀死了数以百计的美丽的蜂鸟，吃了鸟肉，并且用鸟的羽毛装饰他们的衣裳；伟大的圣灵被这些蜂鸟惨遭杀害所震怒，便让全村沉入地下。从此，本是这村子原址的陷口便一直注满着沥青。英语知识小品铜，人类学会冶炼的第

An ancient legend explains how pitch lake came to be:many centuries ago two indian tribes fought a great battle.the victorious tribe built a village and held a victory celebration,they killed hundreds of beautiful hummingbirds,ate them,and used their feathers to decorate their clothing.the great spirit was so angered that the birds had been killed that he caused the entire village to sink into the earth.the crater where the village stood has been filled wish asphalt ever since.

一则古老的传说解释了沥青湖的来历：许多世纪以前，两个印地安人部落打了一次大仗，获胜的部落建立了一个村庄，并举行胜利庆典，他们杀死了数以百计的美丽的蜂鸟，吃了鸟肉，并且用鸟的羽毛装饰他们的衣裳；伟大的圣灵被这些蜂鸟惨遭杀害所震怒，便让全村沉入地下。从此，本是这村子原址的陷口便一直注满着沥青。下一篇：英语知识小品铜，人类学会冶炼的第一种金属

Industrial pollution can come from lead mining, smelting, rubber production, dye, printing, ceramics, lead glass, solder, cables and lead pipes and other industrial waste water and refuse.

铅的工业污染来自矿山开采、冶炼、橡胶生产、染料、印刷、陶瓷、铅玻璃、焊锡、电缆及铅管等工业产生的废水和废弃物。

To encourage mergers and acquisitions of small and medium-sized lead-smelting factory Secondary Lead and lead smelting furnace, or incidental to the consolidation of recycling regenerated lead.

为了鼓励兼并和小型和中小型铅冶炼再生铅厂与铅熔炼炉，或附带回收再生铅合并收购。

In the lead-smelting, Hechi have an annual output of 70,000 tons into the source of Mining and Metallurgical Co., Ltd.

河池一市的有色金属年采选能力达到530万吨，年冶炼能力70万吨。

The government of Jiyuan in Henan province -- China's biggest lead-smelting base -- plans to move 15,000 residents after nearly 1,000 children were found to have excessive levels of the heavy metal in their blood, Xinhua reported.

新华网消息，继1000名儿童被查出血液中重金属含量超标之后，作为中国最大的铅冶炼基地，河南省济源市政府决定转移1.5万居民以排除后患。

Experts believe the project with the traditional lead-smelting technology, has the following characteristics: First, the smelting process to adopt internationally advanced level of oxygen blowing at the end of smelting - to restore the blast furnace method, the use of lead refining electrolysis ; Second, the use of sulfur dioxide gas double-absorption acid technology, the production of domestic water use of recycled water sewage treatment process; Third, the use of waste heat for power generation, waste to make full use of energy reduces energy consumption; Fourth, the high level of automation, low power consumption , Investment, raw materials adaptable, comprehensive recovery rate of high-quality products.

专家认为，该项目与传统炼铅工艺技术相比，具有以下特点：一是冶炼工艺采用具有国际先进水平的氧气底吹熔炼-鼓风炉还原法，铅精炼采用电解法；二是二氧化硫烟气采用两转两吸制酸工艺，生产生活用水采用循环水污水处理工艺；三是利用余热发电，充分利用废弃能源降低了能耗；四是自动化水平高、能耗低、投资省、对原材料适应性强、综合回收率高、产品质量好。

Has designed the smelting magnesium stove and the steel rolling heating furnace, the trolley type heat-treatment furnace, the gasification project and vents one's anger a generation of oil by the coal successively, the mailgram project technology and the hot dirty coal vents one's anger the craft automation control technology, developed the multi-skill regeneration burner, the dining trash solid drying stove, the methane heat energy industry use technology.

先后设计了冶炼镁炉及轧钢加热炉、台车式热处理炉、煤气化工程及以煤制气代油、代电工程技术及热脏煤制气工艺自动化控制技术，研制出了复合型蓄热燃烧器，餐饮垃圾固体物烘干炉，沼气热能的工业利用技术。

Ultra pure iron is a important basic iron and steel materials, it can be used chiefly to refine various high temperature alloy, heat-resistant alloy, accurate alloy, maraging steel and so on for aerospace ,army plant and civil.it has a rapid development in recent years.

超纯铁是一种重要的钢铁基础材料，主要用于冶炼各种高温合金、耐热合金、精密合金、马氏体时效钢等等航空航天、军工和民用合金或钢材，近年来在国内外发展异常迅猛。

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