smelting

简明释义

英[ˈsmeltɪŋ]美[ˈsmeltɪŋ]

n. [冶]熔炼

v. 精炼（smelt 现在分词）

英英释义

单词用法

同义词

反义词

例句

1.Today, Imperial Smelting furnaces are only in operation in Japan, China and Poland.

现在只有日本、中国、波兰仍在应用帝国熔炼工艺。

2.No one thought that Icelanders might have some natural gift for smelting aluminum, and, if anything, the opposite proved true.

没有人考虑过冰岛人可能对精炼铝有某种天分，并且，如果事实证明恰恰相反的话该怎么办。

3.The practice of smelting ferromanganese silicon with slag of high carbon ferrochrome is introduced.

介绍了用高碳铬铁渣做造渣剂冶炼锰硅合金的生产实践。

4.It also abolished all duty on imports of copper, in the hope that higher imports of finished metal might displace some domestic smelting.

它也取消了所有的铜进口税，希望金属成品进口的提高能够取代一些国内冶炼。

5.Our products are widely used in Smelting, Chemical industry, Electroplating, Decorating etc.

我们的产品广泛应用于冶炼，化工，电镀，装饰等。

6.Too often such smelting, like that pictured here in Vietnam, happens in backyards without any pollution controls.

像图中的越南，通常这样的熔炼在是距离住所很近而且没有任何污染控制的地方进行的。

7.The news has not been well received in some quarters, for instance in the lead smelting industry.

这一消息尚未得到某些方面的证实，例如在铅冶炼行业。

8.Power shortages have disrupted mining and smelting in several countries.

动力短缺已经使多个国家的采矿和熔炼中断。

9.The process of smelting is essential for extracting metals from their ores.

提炼金属的过程是从矿石中提取金属的基本步骤。

10.In ancient times, smelting was done using clay furnaces.

在古代，冶炼是使用粘土炉进行的。

11.Environmental regulations are impacting the smelting industry.

环境法规正在影响冶炼行业。

12.Modern smelting techniques have greatly improved efficiency.

现代的冶炼技术大大提高了效率。

13.The smelting of iron was a key factor in the Industrial Revolution.

铁的冶炼是工业革命的一个关键因素。

作文

The process of smelting is one of the oldest forms of metal extraction known to humanity. It involves extracting a metal from its ore by using heat and a chemical reducing agent. This technique has been used for thousands of years, dating back to ancient civilizations such as the Egyptians and the Sumerians. The significance of smelting in the development of human society cannot be overstated; it enabled the production of metals like copper, bronze, and iron, which were essential for tools, weapons, and various artifacts. In modern times, smelting has evolved with advancements in technology. The traditional methods of smelting have been replaced or supplemented by more efficient and environmentally friendly processes. For example, electric arc furnaces are now commonly used in steel production, allowing for better control over the temperature and reducing the emission of harmful gases. This shift towards more sustainable practices highlights the importance of innovation in the field of metallurgy.The environmental impact of smelting is a crucial aspect that cannot be ignored. The process typically releases significant amounts of pollutants, including sulfur dioxide and heavy metals, which can have detrimental effects on air quality and public health. As a result, many countries are implementing stricter regulations to minimize the environmental footprint of smelting operations. This includes investing in technologies that capture emissions and recycle waste materials, thereby promoting a circular economy.Furthermore, the economic implications of smelting are profound. It plays a vital role in the global economy, providing raw materials for various industries. The demand for metals continues to rise, driven by technological advancements and urbanization. Countries rich in mineral resources often rely heavily on smelting to boost their economies. However, this reliance also poses risks, such as market volatility and the depletion of natural resources. In conclusion, smelting is a fundamental process that has shaped human civilization and continues to play a critical role in modern industry. While it presents challenges, particularly regarding environmental sustainability, ongoing innovations offer hope for a cleaner and more efficient future. Understanding the intricacies of smelting helps us appreciate its significance and the need for responsible practices in the extraction and processing of metals.

冶炼过程是人类已知的最古老的金属提取形式之一。它涉及通过使用热量和化学还原剂从矿石中提取金属。这种技术已经被使用了数千年，可以追溯到古代文明，如埃及人和苏美尔人。冶炼在发展人类社会中的重要性不容小觑；它使得铜、青铜和铁等金属的生产成为可能，这些金属对工具、武器和各种工艺品至关重要。在现代，冶炼随着技术的进步而发展。传统的冶炼方法已经被更高效和环保的工艺所替代或补充。例如，电弧炉现在在钢铁生产中被广泛使用，它允许更好地控制温度并减少有害气体的排放。这种向更可持续实践的转变突显了冶金领域创新的重要性。冶炼的环境影响是一个不能被忽视的关键方面。该过程通常释放大量污染物，包括二氧化硫和重金属，这会对空气质量和公众健康产生不利影响。因此，许多国家正在实施更严格的法规，以最小化冶炼操作的环境足迹。这包括投资于捕集排放和回收废料的技术，从而促进循环经济。此外，冶炼的经济影响深远。它在全球经济中扮演着至关重要的角色，为各个行业提供原材料。由于技术进步和城市化的推动，对金属的需求持续上升。资源丰富的国家往往严重依赖冶炼来推动其经济。然而，这种依赖也带来了风险，例如市场波动和自然资源的枯竭。总之，冶炼是一个基本过程，它塑造了人类文明，并继续在现代工业中发挥关键作用。尽管它面临挑战，尤其是在环境可持续性方面，但不断的创新为更清洁、更高效的未来提供了希望。理解冶炼的复杂性帮助我们欣赏其重要性和在金属提取与加工中负责任实践的必要性。