base metal

简明释义

贱金属

英英释义

例句

1.The jewelry was made with a mixture of gold and base metal (低级金属) to reduce costs.

这件珠宝是用黄金和低级金属的混合物制作的，以降低成本。

2.In metallurgy, base metal (低级金属) refers to metals that are not precious and are more abundant.

在冶金学中，低级金属指的是那些不属于贵金属且更为丰富的金属。

3.Copper is often used as a base metal (低级金属) in electrical wiring due to its conductivity.

铜常被用作电线中的低级金属，因为它的导电性好。

4.Manufacturers sometimes coat base metal (低级金属) with a layer of gold to enhance appearance.

制造商有时会在低级金属上涂上一层金，以增强外观。

5.The base metal (低级金属) used in this product affects its overall durability.

该产品使用的低级金属影响其整体耐用性。

作文

In the world of metallurgy, the term base metal refers to a category of metals that are more abundant and less valuable than precious metals. These metals include copper, zinc, lead, and nickel, among others. Unlike precious metals such as gold and silver, which are highly sought after for their rarity and aesthetic appeal, base metals are often used in industrial applications due to their favorable physical and chemical properties. The significance of base metals cannot be understated, especially in the context of modern technology and infrastructure. For example, copper is a crucial component in electrical wiring and electronic devices. Its excellent conductivity makes it an ideal choice for power transmission. Similarly, aluminum, which is also considered a base metal, is widely used in the construction and transportation industries because of its lightweight and corrosion-resistant properties.Moreover, the market dynamics surrounding base metals can greatly influence global economies. Prices for these metals are often subject to fluctuations based on supply and demand, geopolitical factors, and economic conditions. For instance, during periods of economic growth, the demand for base metals tends to rise as industries ramp up production. Conversely, during economic downturns, demand may decrease, leading to lower prices and affecting the livelihoods of those involved in mining and processing these materials.Recycling plays a vital role in the lifecycle of base metals. Many of these metals can be reclaimed and reused, reducing the need for new mining operations. This not only conserves natural resources but also minimizes the environmental impact associated with mining activities. The recycling of base metals like copper and aluminum has become increasingly important as we strive for sustainable practices and a circular economy.In addition to their practical applications, base metals also have cultural and historical significance. For example, bronze, an alloy of copper and tin, has been used for thousands of years to create tools, weapons, and art. The discovery of how to manipulate base metals marked a significant advancement in human civilization, leading to the Bronze Age and subsequently the Iron Age, which brought about profound changes in society.In conclusion, understanding the role of base metals in both industry and history provides valuable insight into their importance. These metals, while not as glamorous as their precious counterparts, are essential to our daily lives and the functioning of the global economy. As we continue to innovate and develop new technologies, the demand for base metals will likely remain strong, making them a critical focus for researchers, engineers, and policymakers alike.

在冶金学的世界中，术语base metal指的是一种金属类别，这些金属比贵金属更丰富且价值较低。这些金属包括铜、锌、铅和镍等。与黄金和白银等贵金属不同，贵金属因其稀有性和美学吸引力而受到高度追捧，base metal通常因其良好的物理和化学特性而用于工业应用。base metal的重要性不可低估，特别是在现代技术和基础设施的背景下。例如，铜是电线和电子设备中的关键组件。其优良的导电性使其成为电力传输的理想选择。同样，铝也被认为是一种base metal，因其轻便和耐腐蚀性能而广泛用于建筑和运输行业。此外，围绕base metal的市场动态可以极大地影响全球经济。这些金属的价格通常受供求关系、地缘政治因素和经济状况的影响而波动。例如，在经济增长期间，对base metal的需求往往会增加，因为各行业加大生产。相反，在经济衰退期间，需求可能会减少，导致价格降低，并影响那些参与采矿和加工这些材料的人的生计。回收在base metal的生命周期中发挥着至关重要的作用。许多这些金属可以被回收和再利用，从而减少对新采矿作业的需求。这不仅节约了自然资源，还最小化了与采矿活动相关的环境影响。随着我们努力实现可持续实践和循环经济，铜和铝等base metal的回收变得越来越重要。除了它们的实际应用外，base metal还具有文化和历史意义。例如，青铜是铜和锡的合金，几千年来一直用于制造工具、武器和艺术品。掌握如何操纵base metal的发现标志着人类文明的一次重大进步，导致了青铜时代和随后铁器时代的到来，这带来了社会的深刻变化。总之，理解base metal在工业和历史中的角色提供了对其重要性的宝贵见解。这些金属虽然不如贵金属那样光鲜，但对我们的日常生活和全球经济的运作至关重要。随着我们继续创新和开发新技术，对base metal的需求可能会保持强劲，使其成为研究人员、工程师和政策制定者的重要关注点。