mass resistivity

简明释义

比电阻

英英释义

例句

1.The mass resistivity of the material determines its suitability for electrical applications.

材料的质量电阻率决定了其在电气应用中的适用性。

2.A low mass resistivity indicates better conductivity in metals.

低质量电阻率表明金属的导电性更好。

3.The mass resistivity of concrete affects its durability and resistance to environmental factors.

混凝土的质量电阻率影响其耐久性和对环境因素的抵抗力。

4.Engineers often test the mass resistivity of materials before construction.

工程师在施工前常常测试材料的质量电阻率。

5.In geophysics, measuring the mass resistivity can help identify different soil types.

在地球物理学中，测量质量电阻率可以帮助识别不同的土壤类型。

作文

Mass resistivity is a crucial concept in the field of material science and electrical engineering. It refers to the inherent property of a material that quantifies its ability to resist the flow of electric current. This property is not only significant for engineers and physicists but also plays a vital role in various applications, including electronics, telecommunications, and energy distribution. Understanding mass resistivity (电阻率) enables professionals to select the appropriate materials for specific applications, ensuring efficiency and reliability in their designs.In essence, mass resistivity (电阻率) is defined as the resistance of a unit cube of a given material. The lower the mass resistivity, the better the material conducts electricity. For instance, metals such as copper and aluminum have low mass resistivity (电阻率), making them ideal candidates for electrical wiring and components. On the other hand, insulators like rubber and glass exhibit high mass resistivity (电阻率), which prevents the flow of electric current, thereby protecting users and sensitive equipment from potential damage.The significance of mass resistivity (电阻率) extends beyond mere conductivity. It influences thermal properties, mechanical strength, and overall performance of materials in various environments. For example, in the design of circuit boards, engineers must consider the mass resistivity (电阻率) of the materials used to ensure that they can handle the required current without overheating or failing. Similarly, in power transmission systems, choosing conductors with optimal mass resistivity (电阻率) minimizes energy losses, contributing to more sustainable and cost-effective solutions.Moreover, the mass resistivity (电阻率) of materials can vary significantly with temperature, humidity, and other environmental factors. This variability necessitates thorough testing and analysis during the material selection process. Engineers often utilize various methods to measure mass resistivity (电阻率), such as the four-point probe method, which provides accurate readings while minimizing contact resistance effects.In recent years, advancements in nanotechnology and materials science have led to the development of new materials with unique mass resistivity (电阻率) characteristics. For instance, graphene, a single layer of carbon atoms arranged in a two-dimensional lattice, exhibits remarkably low mass resistivity (电阻率) combined with exceptional mechanical strength. These innovative materials open up new possibilities for creating faster, smaller, and more efficient electronic devices.In conclusion, understanding mass resistivity (电阻率) is essential for anyone involved in the fields of engineering and technology. It impacts the selection of materials for various applications, influencing efficiency, safety, and performance. As technology continues to evolve, the study of mass resistivity (电阻率) will remain a critical area of research, leading to the discovery of new materials and improved designs that meet the demands of modern society.

电阻率是材料科学和电气工程领域的重要概念。它指的是材料的固有特性，量化其抵抗电流流动的能力。这一特性不仅对工程师和物理学家至关重要，而且在电子、通信和能源分配等各种应用中也发挥着重要作用。理解电阻率使专业人士能够为特定应用选择合适的材料，从而确保设计的效率和可靠性。从本质上讲，电阻率定义为给定材料单位立方体的电阻。电阻率越低，材料导电性能越好。例如，铜和铝等金属的电阻率较低，使其成为电线和组件的理想选择。另一方面，橡胶和玻璃等绝缘体表现出较高的电阻率，这阻止了电流的流动，从而保护用户和敏感设备免受潜在损害。电阻率的重要性超越了单纯的导电性。它影响着材料的热性能、机械强度以及在各种环境中的整体性能。例如，在电路板设计中，工程师必须考虑所用材料的电阻率，以确保它们能够处理所需的电流而不会过热或失效。同样，在电力传输系统中，选择具有最佳电阻率的导体可以最小化能量损耗，从而为更可持续和具有成本效益的解决方案做出贡献。此外，材料的电阻率可能会因温度、湿度和其他环境因素而显著变化。这种变化性需要在材料选择过程中进行彻底测试和分析。工程师通常利用多种方法来测量电阻率，例如四探针法，该方法提供准确的读数，同时最小化接触电阻效应。近年来，纳米技术和材料科学的进步导致了新材料的开发，这些材料具有独特的电阻率特征。例如，石墨烯是一种单层碳原子以二维晶格排列的材料，表现出极低的电阻率，同时具有出色的机械强度。这些创新材料为创造更快、更小和更高效的电子设备开辟了新的可能性。总之，理解电阻率对于任何参与工程和技术领域的人来说都是至关重要的。它影响着各种应用中材料的选择，影响效率、安全性和性能。随着技术的不断发展，电阻率的研究将继续成为一个关键研究领域，推动新材料的发现和改进设计，以满足现代社会的需求。