volume resistivity

简明释义

体电阻率

英英释义

例句

1.To ensure safety, the volume resistivity of the insulating layer must be tested regularly.

为了确保安全，绝缘层的体积电阻率必须定期测试。

2.High volume resistivity indicates that a material can effectively prevent current flow.

高体积电阻率表明一种材料可以有效地阻止电流流动。

3.In electronics, low volume resistivity materials are often used for conductors.

在电子学中，低体积电阻率材料通常用于导体。

4.The volume resistivity of this material is crucial for its application in electrical insulation.

这种材料的体积电阻率对其在电气绝缘中的应用至关重要。

5.The volume resistivity of concrete can affect its durability in electrical applications.

混凝土的体积电阻率会影响其在电气应用中的耐久性。

作文

Understanding the concept of volume resistivity is crucial for anyone involved in materials science or electrical engineering. Volume resistivity refers to the intrinsic property of a material that quantifies how strongly it resists the flow of electric current. It is measured in ohm-meters (Ω·m) and plays a pivotal role in determining how materials are used in various applications, from electrical insulation to semiconductor technology.In essence, volume resistivity provides insight into how well a material can conduct electricity. Materials with low volume resistivity, such as metals like copper and aluminum, are excellent conductors. They allow electric current to flow freely and are commonly used in wiring and other electrical components. Conversely, materials with high volume resistivity, such as rubber and glass, act as insulators, preventing the flow of electricity and protecting sensitive components in electronic devices.The significance of volume resistivity extends beyond basic electrical properties. For instance, in the design of electronic circuits, engineers must select materials with appropriate volume resistivity to ensure that components function correctly without interference. If an insulating material has too low a volume resistivity, it may lead to short circuits, resulting in device failure. Therefore, understanding the volume resistivity of materials is essential for reliability and safety in electrical systems.Moreover, the volume resistivity of a material can change with temperature, humidity, and other environmental factors. This variability must be considered when designing products that will operate under different conditions. For example, the volume resistivity of certain polymers can decrease significantly at elevated temperatures, which could compromise their effectiveness as insulators in high-heat environments.Testing for volume resistivity is typically conducted using standardized methods, such as the four-point probe technique. This method minimizes the effects of contact resistance, providing a more accurate measurement of a material's inherent resistivity. Understanding how to measure and interpret volume resistivity is a critical skill for engineers and scientists working with conductive and insulating materials.In conclusion, volume resistivity is a fundamental property that influences the behavior of materials in electrical applications. Its implications reach far beyond simple conductivity, affecting the design, safety, and performance of electronic devices. As technology continues to advance, the importance of understanding and manipulating volume resistivity will only grow, making it a key area of study for future innovations in electronics and materials science.

理解体积电阻率的概念对任何参与材料科学或电气工程的人来说都是至关重要的。体积电阻率是指材料的内在特性，它量化了材料抵抗电流流动的能力。它的单位是欧姆·米（Ω·m），在确定材料在各种应用中的使用时发挥着关键作用，从电气绝缘到半导体技术。本质上，体积电阻率提供了关于材料导电性能的洞察。具有低体积电阻率的材料，例如铜和铝等金属，是优秀的导体。它们允许电流自由流动，通常用于电线和其他电气组件。相反，具有高体积电阻率的材料，例如橡胶和玻璃，作为绝缘体，防止电流流动，并保护电子设备中的敏感组件。体积电阻率的重要性不仅仅局限于基本电气特性。例如，在电子电路的设计中，工程师必须选择具有适当体积电阻率的材料，以确保组件正常工作而不干扰。如果绝缘材料的体积电阻率过低，可能会导致短路，从而导致设备故障。因此，理解材料的体积电阻率对于电气系统的可靠性和安全性至关重要。此外，材料的体积电阻率可能会随着温度、湿度和其他环境因素而变化。在设计将在不同条件下运行的产品时，必须考虑这种可变性。例如，某些聚合物的体积电阻率在高温下可能显著降低，这可能会妨碍它们作为高热环境中绝缘体的有效性。体积电阻率的测试通常使用标准化方法进行，例如四点探针技术。该方法最小化接触电阻的影响，从而提供更准确的材料固有电阻率测量。理解如何测量和解释体积电阻率是工程师和科学家处理导电和绝缘材料的关键技能。总之，体积电阻率是影响材料在电气应用中行为的基本特性。它的影响远远超出了简单的导电性，影响着电子设备的设计、安全性和性能。随着技术的不断进步，理解和操控体积电阻率的重要性只会增加，使其成为未来电子和材料科学创新研究的关键领域。