electric conductivity

简明释义

电导率

英英释义

例句

1.Materials with low electric conductivity are used as insulators in electrical applications.

低电导率的材料用作电气应用中的绝缘体。

2.High electric conductivity is essential for the performance of superconductors.

高电导率对于超导体的性能至关重要。

3.The electric conductivity of metals makes them ideal for wiring in electrical systems.

金属的电导率使它们非常适合用于电气系统中的接线。

4.The electric conductivity of water changes with temperature, affecting its use in cooling systems.

水的电导率随着温度变化，这影响了它在冷却系统中的使用。

5.Scientists are studying the electric conductivity of different materials to improve battery efficiency.

科学家们正在研究不同材料的电导率以提高电池效率。

作文

Electricity is a fundamental aspect of modern life, powering everything from our homes to our devices. One of the key properties that materials can possess is their ability to conduct electricity, known as electric conductivity. This term refers to the degree to which a material can allow the flow of electric current. Understanding electric conductivity is crucial for various applications in science and engineering, particularly in the design of electrical circuits, batteries, and electronic devices.Materials can be broadly classified into three categories based on their electric conductivity: conductors, insulators, and semiconductors. Conductors, such as copper and aluminum, have high electric conductivity, allowing them to efficiently transmit electric current. This property makes them ideal for use in electrical wiring and components. Insulators, like rubber and glass, have low electric conductivity, preventing the flow of electric current. These materials are essential for protecting us from electric shock and ensuring that current flows only where it is intended.Semiconductors, such as silicon, have an electric conductivity that falls between conductors and insulators. Their unique properties enable them to control the flow of electricity, making them essential for modern electronics. The development of semiconductor technology has led to the creation of transistors, diodes, and integrated circuits, all of which are foundational to computers and smartphones.The electric conductivity of a material is influenced by several factors, including temperature, impurities, and the material's structure. For instance, as temperature increases, the electric conductivity of most conductors decreases due to increased atomic vibrations that impede the flow of electrons. Conversely, in semiconductors, increasing temperature can enhance electric conductivity by providing more energy to the electrons, allowing them to move more freely.Moreover, understanding electric conductivity is essential in various fields, including materials science, physics, and electrical engineering. Researchers continuously explore new materials with enhanced electric conductivity for applications in energy storage, such as batteries and supercapacitors. For example, graphene, a single layer of carbon atoms arranged in a two-dimensional lattice, exhibits exceptional electric conductivity and has the potential to revolutionize the electronics industry.In conclusion, electric conductivity is a vital property of materials that plays a significant role in the functioning of electrical systems. Its implications stretch across numerous industries, influencing the design and efficiency of everything from household appliances to advanced technological devices. As we continue to innovate and develop new materials, a deeper understanding of electric conductivity will undoubtedly lead to further advancements in technology and science. Therefore, both students and professionals in related fields must grasp the concept of electric conductivity to contribute effectively to future innovations in electrical engineering and materials science.

电力是现代生活的一个基本方面，为我们的家庭和设备提供动力。材料所能拥有的关键属性之一是它们导电的能力，称为电导率。这个术语指的是材料允许电流流动的程度。理解电导率对科学和工程中的各种应用至关重要，特别是在电路、蓄电池和电子设备的设计中。材料可以根据其电导率大致分为三类：导体、绝缘体和半导体。导体，如铜和铝，具有高电导率，能够有效地传输电流。这一特性使它们成为电线和组件的理想选择。绝缘体，如橡胶和玻璃，具有低电导率，阻止电流的流动。这些材料对于保护我们免受电击以及确保电流仅在预定位置流动至关重要。半导体，如硅，其电导率介于导体和绝缘体之间。它们独特的性质使其能够控制电流的流动，使其在现代电子产品中不可或缺。半导体技术的发展导致了晶体管、二极管和集成电路的创造，这些都是计算机和智能手机的基础。材料的电导率受到多个因素的影响，包括温度、杂质和材料的结构。例如，随着温度的升高，大多数导体的电导率会降低，因为原子的振动增加会妨碍电子的流动。相反，在半导体中，温度的升高可以通过为电子提供更多能量来增强电导率，使它们能够更自由地移动。此外，理解电导率在材料科学、物理学和电气工程等多个领域至关重要。研究人员不断探索新的具有增强电导率的材料，用于能源存储等应用，例如电池和超级电容器。例如，石墨烯是一种碳原子以二维晶格排列的单层材料，表现出卓越的电导率，有潜力彻底改变电子行业。总之，电导率是材料的重要特性，在电气系统的功能中发挥着重要作用。其影响跨越多个行业，影响着从家用电器到先进技术设备的设计和效率。随着我们不断创新和开发新材料，对电导率的更深入理解无疑将推动电气工程和材料科学领域的进一步进步。因此，相关领域的学生和专业人士必须掌握电导率的概念，以便有效地为未来的电气工程和材料科学创新做出贡献。