noble metal

简明释义

贵金属

英英释义

例句

1.Investors often turn to noble metals during economic downturns as a safe haven.

在经济低迷期间，投资者常常转向贵金属作为避风港。

2.Gold is considered a noble metal because it does not corrode or tarnish over time.

黄金被认为是一种贵金属，因为它不会随着时间的推移而腐蚀或变色。

3.Rhodium is one of the rarest noble metals and is used in catalytic converters.

铑是最稀有的贵金属之一，广泛用于催化转换器中。

4.Many jewelry pieces are made from noble metals like platinum and silver.

许多珠宝首饰是由像铂金和银这样的贵金属制成的。

5.The noble metals have high resistance to oxidation, making them ideal for chemical applications.

由于高抗氧化性，贵金属非常适合化学应用。

作文

The term noble metal refers to a group of metals that are resistant to corrosion and oxidation in moist air, unlike most base metals. This category includes precious metals such as gold, platinum, and silver. These metals have been valued throughout history not only for their beauty and rarity but also for their unique physical and chemical properties. The noble metal classification is significant in various fields, including chemistry, jewelry making, and electronics. In chemistry, the noble metal status of these elements means they do not easily react with other substances. For example, gold is often used in electronic components because it does not tarnish or corrode, ensuring a reliable connection in devices. This property makes noble metals ideal for use in environments where durability is crucial. Additionally, due to their resistance to oxidation, they are often used in catalytic converters in cars, which help reduce harmful emissions. In the world of jewelry, noble metals are highly sought after for their aesthetic appeal and lasting quality. Gold and silver have been used for centuries to create beautiful ornaments and artifacts, symbolizing wealth and status. The allure of these metals lies not only in their appearance but also in their ability to withstand the test of time without losing their luster. This is why many people choose to invest in jewelry made from noble metals, as they can be both a fashion statement and a store of value. Moreover, noble metals play a crucial role in scientific research and industrial applications. For instance, platinum is widely used in laboratory equipment due to its high melting point and resistance to chemical reactions. It is also used in the production of certain types of glass and as a catalyst in various chemical processes. The versatility of noble metals extends beyond traditional uses, as new technologies continue to emerge that leverage their unique properties. Despite their many advantages, noble metals also come with challenges. Their high cost can limit accessibility, making it difficult for some industries to utilize them fully. Furthermore, the mining and extraction of these metals can have significant environmental impacts, leading to discussions about sustainability and responsible sourcing. As society continues to advance, finding ways to recycle and repurpose noble metals will be essential to minimize waste and reduce the ecological footprint associated with their production. In conclusion, the significance of noble metals cannot be overstated. From their use in electronics and automotive industries to their role in jewelry and scientific research, these metals are integral to modern life. Understanding their properties and applications can lead to innovations that enhance our daily lives while also addressing the challenges posed by their extraction and use. As we move forward, it is vital to balance the benefits of noble metals with sustainable practices to ensure they remain available for future generations.

“贵金属”一词指的是一组在潮湿空气中耐腐蚀和氧化的金属，与大多数基础金属不同。这个类别包括黄金、铂金和白银等贵重金属。这些金属因其美丽和稀有而受到历史上的重视，同时也因其独特的物理和化学性质而被珍视。“贵金属”的分类在化学、珠宝制作和电子产品等多个领域具有重要意义。在化学中，这些元素的“贵金属”地位意味着它们不易与其他物质反应。例如，黄金常用于电子元件，因为它不会生锈或腐蚀，从而确保设备中的可靠连接。这一特性使得“贵金属”非常适合在需要耐用性的环境中使用。此外，由于它们对氧化的抵抗力，它们常用于汽车的催化转换器中，帮助减少有害排放。在珠宝世界中，“贵金属”因其美学吸引力和持久质量而备受追捧。黄金和白银数百年来一直被用于制造美丽的饰品和文物，象征着财富和地位。这些金属的魅力不仅在于它们的外观，还在于它们能够经受住时间的考验，而不失光泽。这就是为什么许多人选择投资于由“贵金属”制成的珠宝，因为它们既可以作为时尚声明，也可以作为价值储存。此外，“贵金属”在科学研究和工业应用中也发挥着至关重要的作用。例如，铂金因其高熔点和耐化学反应的特性而广泛用于实验室设备。它还用于某些类型玻璃的生产以及各种化学过程中的催化剂。“贵金属”的多功能性超越了传统用途，随着新技术的不断出现，利用它们独特属性的方式也在不断发展。尽管有许多优点，“贵金属”也面临挑战。其高成本可能限制可及性，使某些行业难以充分利用它们。此外，这些金属的开采和提取可能对环境产生重大影响，引发了关于可持续性和负责任采购的讨论。随着社会的不断进步，找到回收和再利用“贵金属”的方法将是减少废物和降低与其生产相关的生态足迹的关键。总之，“贵金属”的重要性不容小觑。从它们在电子和汽车工业中的应用到它们在珠宝和科学研究中的角色，这些金属在现代生活中不可或缺。理解它们的性质和应用可以带来创新，提升我们的日常生活，同时也应对其开采和使用所带来的挑战。随着我们向前推进，平衡“贵金属”的好处与可持续实践至关重要，以确保它们在未来几代人中仍然可用。