noble metal

简明释义

贵重金属

英英释义

例句

1.The unique properties of noble metals 贵金属 make them essential in electronics.

由于其独特的性质，贵金属 noble metals在电子产品中至关重要。

2.Gold is considered a noble metal 贵金属 because it does not tarnish or corrode easily.

黄金被认为是一个贵金属 noble metal，因为它不容易变色或腐蚀。

3.The catalytic converters in cars use noble metals 贵金属 like palladium and rhodium to reduce emissions.

汽车中的催化转换器使用如钯和铑等贵金属 noble metals来减少排放。

4.Silver is another noble metal 贵金属 that has been valued for centuries.

银是另一个被珍视了几个世纪的贵金属 noble metal。

5.Platinum, a noble metal 贵金属, is often used in jewelry for its durability.

铂金，一种贵金属 noble metal，常用于珠宝，因为它的耐用性。

作文

Noble metals are a group of metals that are resistant to corrosion and oxidation in moist air. These metals include gold, silver, platinum, and palladium, among others. The term 'noble metal' is derived from their historical association with nobility and wealth, as they have been used for coinage, jewelry, and various decorative arts for centuries. In this essay, we will explore the properties, uses, and significance of noble metal (贵金属) in modern society.One of the most defining characteristics of noble metals (贵金属) is their high resistance to chemical reactions. Unlike base metals, which can easily tarnish or corrode, noble metals (贵金属) maintain their luster and integrity over time. This property makes them ideal for applications in electronics, where components must withstand harsh environments without degrading. For instance, gold is commonly used in connectors and circuit boards due to its excellent conductivity and resistance to tarnish.Moreover, noble metals (贵金属) play a crucial role in various industrial processes. Platinum, for example, is a key catalyst in the production of nitric acid and in catalytic converters that reduce harmful emissions in automobiles. The effectiveness of noble metals (贵金属) as catalysts stems from their ability to facilitate chemical reactions without being consumed in the process. This efficiency not only improves production rates but also minimizes environmental impact, highlighting the importance of noble metals (贵金属) in sustainable practices.In addition to their industrial applications, noble metals (贵金属) hold significant cultural and economic value. Gold and silver have been symbols of wealth and status throughout history, often used in the creation of currency and jewelry. Their scarcity and desirability make them a popular choice for investment, with many individuals purchasing gold and silver as a hedge against inflation and economic uncertainty. The market for noble metals (贵金属) remains robust, reflecting their enduring appeal across different cultures and economies.Furthermore, the unique properties of noble metals (贵金属) extend to their use in medicine. Gold nanoparticles, for example, are increasingly utilized in medical imaging and targeted drug delivery systems. Their biocompatibility and ease of functionalization allow for innovative approaches to treatment and diagnosis, showcasing the versatility of noble metals (贵金属) beyond traditional applications.In conclusion, noble metals (贵金属) are not only essential materials in various industries but also hold cultural, economic, and medical significance. Their unique properties, such as resistance to corrosion and excellent catalytic abilities, make them invaluable in modern technology and sustainable practices. As we continue to explore new applications and technologies, the role of noble metals (贵金属) will undoubtedly expand, further solidifying their place in our society. Understanding and appreciating the importance of noble metals (贵金属) can lead to more informed decisions regarding their use and conservation, ensuring that these remarkable materials continue to benefit humanity for generations to come.

贵金属是一组在潮湿空气中具有耐腐蚀和抗氧化能力的金属。这些金属包括金、银、铂和钯等。‘贵金属’这个术语源于它们与贵族和财富的历史关联，因为几个世纪以来，它们一直被用于铸币、珠宝和各种装饰艺术。在这篇文章中，我们将探讨贵金属在现代社会中的特性、用途和重要性。贵金属最显著的特征之一是它们对化学反应的高抵抗力。与容易变色或腐蚀的普通金属不同，贵金属随着时间的推移保持光泽和完整性。这一特性使它们成为电子应用的理想选择，因为组件必须在恶劣环境中经受考验而不降解。例如，金因其优良的导电性和抗氧化性，常用于连接器和电路板。此外，贵金属在各种工业过程中也发挥着至关重要的作用。例如，铂是生产硝酸和催化转换器的关键催化剂，这些转换器减少汽车排放的有害物质。贵金属作为催化剂的有效性源于它们能够促进化学反应而不被消耗。这种效率不仅提高了生产率，还最小化了环境影响，突显了贵金属在可持续实践中的重要性。除了工业应用外，贵金属还具有重要的文化和经济价值。金和银在历史上一直是财富和地位的象征，常用于货币和珠宝的制作。它们的稀缺性和需求使它们成为投资的热门选择，许多人购买黄金和白银以对抗通货膨胀和经济不确定性。贵金属市场依然强劲，反映出它们在不同文化和经济体中的持久吸引力。此外，贵金属的独特性质还扩展到医学领域。例如，金纳米颗粒正越来越多地用于医学成像和靶向药物输送系统。它们的生物相容性和易于功能化使得治疗和诊断的创新方法成为可能，展示了贵金属在传统应用之外的多样性。总之，贵金属不仅是各行业必不可少的材料，还具有文化、经济和医学的重要性。它们独特的特性，如耐腐蚀性和优良的催化能力，使它们在现代技术和可持续实践中不可或缺。随着我们继续探索新的应用和技术，贵金属的角色无疑会扩大，从而进一步巩固它们在我们社会中的地位。理解和欣赏贵金属的重要性可以导致更明智的使用和保护决策，确保这些卓越的材料在未来几代人中继续造福人类。