galvanic action

简明释义

电流作用

英英释义

例句

1.A common example of galvanic action is the rusting of iron when it comes into contact with moisture.

一个常见的电化学反应例子是铁与潮湿接触时生锈。

2.The battery's performance relies on the principle of galvanic action, which is a process that generates electrical energy through chemical reactions.

电池的性能依赖于电化学反应的原理，这是一种通过化学反应产生电能的过程。

3.The design of batteries often incorporates galvanic action to maximize efficiency.

电池的设计通常结合了电化学反应以最大化效率。

4.The corrosion of metals in seawater is often attributed to galvanic action between dissimilar metals.

金属在海水中的腐蚀通常归因于不同金属之间的电化学反应。

5.In electroplating, galvanic action is used to deposit a layer of metal onto a surface.

在电镀中，电化学反应用于在表面上沉积一层金属。

作文

The term galvanic action refers to the electrochemical process that occurs when two different metals are in contact with an electrolyte, leading to the generation of electrical energy. This phenomenon is named after the Italian scientist Luigi Galvani, who discovered that frog legs twitched when exposed to electrical currents. In a broader context, galvanic action can be observed in various applications, from batteries to corrosion prevention in metal structures.In everyday life, we encounter galvanic action in many forms. For instance, consider the common alkaline battery. Inside the battery, a chemical reaction occurs between the zinc and manganese dioxide, creating a flow of electrons that powers our devices. This is a direct application of galvanic action, where chemical energy is converted into electrical energy.Another significant example of galvanic action is found in the field of metallurgy, particularly in preventing corrosion. When two different metals are connected in the presence of an electrolyte, the more reactive metal will corrode faster than it would on its own. This principle is utilized in cathodic protection systems, which are employed to protect pipelines, ships, and other metal structures from rusting and degradation. By attaching a more reactive metal, such as zinc, to the structure, galvanic action ensures that the zinc corrodes instead of the more valuable metal.In the medical field, galvanic action is also relevant. Galvanic stimulation is a therapeutic technique that uses low-voltage electrical currents to promote healing and reduce pain. This method is based on the principles of galvanic action, where the electrical current stimulates tissue regeneration and improves blood circulation. Patients suffering from chronic pain or injuries often benefit from this treatment, showcasing how galvanic action can have practical applications beyond industrial uses.Understanding galvanic action is crucial for engineers and scientists as they design and innovate new technologies. The ability to harness this electrochemical process has led to advancements in renewable energy sources, such as fuel cells and solar panels. For instance, in fuel cells, hydrogen and oxygen undergo a reaction that produces electricity, water, and heat. This clean energy technology exemplifies how galvanic action can contribute to sustainable energy solutions.Moreover, awareness of galvanic action is essential for environmental conservation. As industries continue to develop, understanding the implications of galvanic action on metal corrosion can lead to better materials and methods that minimize environmental impact. By selecting appropriate materials and coatings, engineers can enhance durability and reduce waste, contributing to a more sustainable future.In conclusion, galvanic action is a fundamental concept that spans various fields, from everyday electronics to advanced medical treatments and environmental sustainability. Recognizing its significance allows us to appreciate the intricate connections between chemistry, engineering, and practical applications in our daily lives. As we continue to explore the potential of galvanic action, we pave the way for innovative solutions that can address contemporary challenges, making it a vital area of study in both science and technology.

“galvanic action”这个术语指的是当两种不同金属与电解质接触时发生的电化学过程，导致电能的产生。这个现象以意大利科学家路易吉·伽尔瓦尼的名字命名，他发现青蛙腿在暴露于电流时会抽动。在更广泛的背景下，“galvanic action”可以在各种应用中观察到，从电池到金属结构的防腐。在日常生活中，我们以多种形式遇到“galvanic action”。例如，考虑普通的碱性电池。在电池内部，锌和二氧化锰之间发生化学反应，产生电子流为我们的设备供电。这是“galvanic action”的直接应用，在这里，化学能被转化为电能。“galvanic action”的另一个重要例子可以在冶金领域找到，特别是在防止腐蚀方面。当两种不同的金属在电解质存在的情况下连接时，反应性更强的金属将比单独使用时更快腐蚀。这一原理被用于阴极保护系统，这些系统用于保护管道、船只和其他金属结构免受生锈和降解。通过将一种更具反应性的金属（如锌）附加到结构上，“galvanic action”确保锌而不是更有价值的金属腐蚀。在医学领域，“galvanic action”同样相关。电刺激是一种治疗技术，利用低电压电流促进愈合和减轻疼痛。这种方法基于“galvanic action”的原理，电流刺激组织再生并改善血液循环。患有慢性疼痛或受伤的患者通常会从这种治疗中受益，展示了“galvanic action”在工业用途之外的实际应用。理解“galvanic action”对工程师和科学家至关重要，因为他们设计和创新新技术。利用这一电化学过程的能力促进了可再生能源来源的进步，例如燃料电池和太阳能电池板。例如，在燃料电池中，氢气和氧气发生反应，产生电力、水和热量。这种清洁能源技术展示了“galvanic action”如何为可持续能源解决方案做出贡献。此外，意识到“galvanic action”对环境保护至关重要。随着工业的不断发展，了解“galvanic action”对金属腐蚀的影响可以导致更好的材料和方法，从而最小化环境影响。通过选择适当的材料和涂层，工程师可以增强耐用性并减少废物，为更可持续的未来做出贡献。总之，“galvanic action”是一个基本概念，跨越多个领域，从日常电子产品到先进的医疗治疗和环境可持续性。认识到其重要性使我们能够欣赏化学、工程和我们日常生活中的实际应用之间的复杂联系。随着我们继续探索“galvanic action”的潜力，我们为解决当代挑战铺平了道路，使其成为科学和技术研究中的一个重要领域。