electric conductivity

简明释义

导电性

英英释义

例句

1.The electric conductivity of metals is generally higher than that of non-metals.

金属的电导率通常高于非金属。

2.The electric conductivity of a solution can indicate its ion concentration.

溶液的电导率可以指示其离子浓度。

3.Water has varying electric conductivity depending on the dissolved salts it contains.

水的电导率因所含溶解盐的不同而变化。

4.When testing materials, we measure their electric conductivity to determine their suitability for electrical applications.

在测试材料时，我们测量它们的电导率以确定它们在电气应用中的适用性。

5.High electric conductivity materials are essential for efficient electrical wiring.

高电导率材料对于高效电线至关重要。

作文

Electricity is a fundamental part of our daily lives, powering everything from our homes to our devices. One of the key concepts in understanding how electricity works is electric conductivity, which refers to the ability of a material to conduct electric current. This property is crucial in various applications, including electronics, telecommunications, and even in the development of new materials. In this essay, I will explore the significance of electric conductivity in different contexts, its measurement, and its impact on technology and society.Firstly, electric conductivity is determined by the structure and composition of a material. Metals, for example, are known for their high electric conductivity because they have free electrons that can move easily through the lattice structure. Copper and aluminum are commonly used in electrical wiring due to their excellent conductive properties. On the other hand, insulators like rubber and glass have very low electric conductivity, which prevents the flow of electric current. This distinction is essential when designing electrical systems, as it ensures that current flows where it is intended and does not leak into unintended areas.The measurement of electric conductivity is typically expressed in siemens per meter (S/m). Scientists and engineers use various methods to measure conductivity, including four-point probe techniques and impedance spectroscopy. Understanding the electric conductivity of materials allows researchers to develop better components for electronic devices, such as transistors and capacitors, which are integral to modern technology.In addition to traditional applications, electric conductivity plays a vital role in emerging technologies. For instance, in the field of renewable energy, materials with high electric conductivity are essential for efficient solar cells and batteries. Researchers are continuously exploring new materials, such as graphene and carbon nanotubes, which exhibit remarkable electric conductivity properties. These advancements could lead to more efficient energy storage solutions and contribute to the global shift towards sustainable energy sources.Moreover, electric conductivity is also significant in the medical field. Conductive materials are used in various medical devices, including electrocardiograms (ECGs) and pacemakers. The ability to conduct electricity safely and effectively is crucial for the proper functioning of these devices, which monitor and regulate heart activity. As technology advances, the integration of electric conductivity in biocompatible materials could lead to innovative medical treatments and improved patient outcomes.In conclusion, electric conductivity is a fundamental property that influences a wide range of applications across various fields. From electrical engineering to renewable energy and medicine, understanding and harnessing this property is essential for technological advancement. As we continue to explore new materials and improve existing technologies, the importance of electric conductivity will only grow, shaping the future of innovation and sustainability in our society.

电力是我们日常生活的重要组成部分，为我们的家居和设备提供动力。理解电力工作原理的关键概念之一是电导率，它指的是材料传导电流的能力。这个特性在电子、通信以及新材料开发等各种应用中至关重要。在这篇文章中，我将探讨电导率在不同背景下的重要性、其测量方法以及对技术和社会的影响。首先，电导率由材料的结构和成分决定。例如，金属以其高电导率而闻名，因为它们具有可以通过晶格结构自由移动的电子。铜和铝因其优良的导电性能而被广泛用于电线电缆。而橡胶和玻璃等绝缘体则具有非常低的电导率，这阻止了电流的流动。这种区别在设计电气系统时至关重要，因为它确保电流在预定位置流动，而不会泄漏到意外区域。电导率的测量通常以西门子每米（S/m）表示。科学家和工程师使用多种方法来测量导电性，包括四探针技术和阻抗谱分析。了解材料的电导率使研究人员能够开发出更好的电子设备组件，如晶体管和电容器，这些都是现代技术不可或缺的部分。除了传统应用之外，电导率在新兴技术中也发挥着至关重要的作用。例如，在可再生能源领域，高电导率的材料对于高效的太阳能电池和电池至关重要。研究人员不断探索新的材料，如石墨烯和碳纳米管，它们表现出卓越的电导率特性。这些进展可能导致更高效的能源存储解决方案，并为全球向可持续能源源转型作出贡献。此外，电导率在医疗领域也很重要。导电材料被用于各种医疗设备，包括心电图（ECG）和起搏器。安全有效地传导电流的能力对这些设备的正常运作至关重要，这些设备监测和调节心脏活动。随着技术的进步，将电导率整合到生物相容性材料中可能会导致创新的医疗治疗和改善患者的结果。总之，电导率是一种基本属性，影响着各个领域的广泛应用。从电气工程到可再生能源和医学，理解和利用这一特性对于技术进步至关重要。随着我们继续探索新材料和改进现有技术，电导率的重要性只会增加，塑造我们社会中创新和可持续发展的未来。