dielectric conductance

简明释义

介质电导

英英释义

例句

1.The dielectric conductance of a material can change with temperature and humidity.

材料的介电导可能会随温度和湿度而变化。

2.In high-frequency applications, dielectric conductance can significantly affect signal integrity.

在高频应用中，介电导会显著影响信号完整性。

3.The measurement of dielectric conductance is crucial in assessing the quality of insulating materials.

测量介电导对于评估绝缘材料的质量至关重要。

4.Researchers are studying the dielectric conductance of various polymers to improve their electrical properties.

研究人员正在研究各种聚合物的介电导以改善其电气特性。

5.A low dielectric conductance is desirable in capacitors to minimize energy loss.

在电容器中，低介电导是理想的，以最小化能量损失。

作文

Dielectric materials are insulators that do not conduct electricity under normal conditions. However, when subjected to an electric field, they can exhibit some degree of electrical conduction due to the movement of charge carriers within the material. This phenomenon is quantified by a parameter known as dielectric conductance, which refers to the ability of a dielectric material to conduct electric current when a voltage is applied. Understanding dielectric conductance is crucial in various applications, including electronics, telecommunications, and materials science.In electronics, dielectric materials are used in capacitors, insulators, and other components where controlling electric fields is essential. The dielectric conductance of these materials affects their performance and efficiency. For instance, a capacitor with high dielectric conductance may lose energy through leakage currents, which can lead to reduced efficiency and increased heat generation. Therefore, engineers must select materials with appropriate dielectric conductance values to optimize device performance.Telecommunications also relies heavily on the properties of dielectric materials. In this field, signals are transmitted over long distances using various media, including optical fibers and coaxial cables. The dielectric conductance of the insulating layers in these cables plays a significant role in minimizing signal loss and maintaining the integrity of the transmitted data. High dielectric conductance can lead to increased attenuation of signals, which is undesirable for effective communication systems.Moreover, in materials science, the study of dielectric conductance helps researchers understand how materials behave under electric fields. Different materials exhibit varying levels of dielectric conductance, influenced by factors such as temperature, frequency of the applied electric field, and material composition. By analyzing these properties, scientists can develop new materials with tailored electrical characteristics, leading to innovations in technology and manufacturing processes.One important aspect of dielectric conductance is its relationship with frequency. At low frequencies, many dielectric materials show minimal conductance, behaving as good insulators. However, as the frequency increases, the dielectric conductance can increase significantly due to the polarization effects within the material. This frequency dependence is critical in applications like radio frequency (RF) circuits, where the choice of dielectric materials can greatly influence circuit behavior.In conclusion, dielectric conductance is a fundamental property of dielectric materials that has far-reaching implications across various industries. From enhancing the performance of electronic devices to improving communication systems and advancing materials science, understanding and optimizing dielectric conductance is essential. As technology continues to evolve, so will the need for innovative materials with specific dielectric conductance characteristics, ensuring that we can meet the demands of future applications and challenges.Understanding dielectric conductance is not just an academic exercise; it is a practical necessity for engineers, scientists, and technologists who strive to push the boundaries of what is possible in the realm of electrical engineering and materials development.

介电材料是绝缘体，在正常条件下不导电。然而，当施加电场时，它们可能会由于材料内部电荷载流子的运动而表现出一定程度的电导。这种现象由一个称为介电导的参数来量化，指的是当施加电压时，介电材料导电的能力。理解介电导在电子学、电信和材料科学等多个应用中至关重要。在电子学中，介电材料用于电容器、绝缘体和其他组件，在这些组件中控制电场是必不可少的。这些材料的介电导影响它们的性能和效率。例如，一个具有高介电导的电容器可能会通过漏电流损失能量，从而导致效率降低和热量增加。因此，工程师必须选择适当的材料，以优化设备性能。电信领域也严重依赖介电材料的特性。在这个领域，信号通过包括光纤和同轴电缆在内的各种介质长距离传输。这些电缆绝缘层的介电导在最小化信号损失和维护传输数据的完整性方面起着重要作用。高介电导可能导致信号衰减增加，这对有效的通信系统来说是不可取的。此外，在材料科学中，对介电导的研究有助于研究人员理解材料在电场下的行为。不同材料表现出不同水平的介电导，受温度、施加电场频率和材料成分等因素的影响。通过分析这些特性，科学家可以开发出具有定制电气特性的新品材料，从而推动技术和制造过程的创新。介电导的一个重要方面是其与频率的关系。在低频下，许多介电材料表现出最小的导电性，表现为良好的绝缘体。然而，随着频率的增加，材料的介电导可能会显著增加，这主要是由于材料内部的极化效应。这种频率依赖性在射频（RF）电路等应用中至关重要，因为介电材料的选择会极大地影响电路行为。总之，介电导是介电材料的一种基本特性，对各个行业都有深远的影响。从提高电子设备的性能到改善通信系统，再到推动材料科学的发展，理解和优化介电导是必不可少的。随着技术的不断发展，对具有特定介电导特性的创新材料的需求也将不断增加，确保我们能够满足未来应用和挑战的需求。理解介电导不仅仅是学术练习；对于努力推动电气工程和材料开发领域边界的工程师、科学家和技术人员来说，这是一个实际的必要条件。