conductivity

简明释义

英[ˌkɒndʌkˈtɪvəti]美[ˌkɑːndʌkˈtɪvəti]

n. 导电性；[物][生理] 传导性

复 数 c o n d u c t i v i t i e s

英英释义

单词用法

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例句

1.The electrical conductivity plummets about three orders of magnitude.

电导率突然下降,约3个数量级。

2.Measuring electrical conductivity is a well-established proxy for determining chloride concentration.

测量导电率是得出氯浓度的有效手段。

3.On this drive contacts covered with thin layer of gold, for better conductivity.

在此驱动器的接触与一层薄金，为更好的导电性。

4.The technician plotted the thermal conductivity versus mean temperature.

技术人员勾绘出导热率对应平均温度的曲线。

5.The effect of temperature on conductivity of metals is small.

温度对金属导电率的影响是很小的。

6.It possesses incredible strength and elasticity, while its exceptionally high conductivity and use in flexible semiconductors could soup up computing.

它具有难以置信的强度和弹性，而其异常的高导电性和半导体中灵活的应用可以提高计算能力。

7.The resulting "frozen smoke" aerogel is flexible and has conductivity that makes it an ideal sensor.

用这种方法得到的“固体烟”气溶胶有良好的弹性和导电性，正是理想的制造传感器的材料。

8.And the use of light-absorbing particles with low thermal conductivity, such as agglomerates of carbon nanoparticles, and carbon coated glass micro-shells.

以及运用了类似碳纳米微粒团和碳涂层玻璃微球这样的低热传导率的吸光微粒。

9.Though silver is a good conductor, carbon is cheaper, and the nanotubes provide the extra electrical conductivity needed.

因此虽然银是良好导体，碳也很便宜，但是纳米管却可以额外提供必需的导电性。

10.Copper is often used in electronics due to its excellent conductivity (导电性).

铜因其优良的导电性而常用于电子产品。

11.Scientists are studying the conductivity (导电性) of different materials to improve battery efficiency.

科学家正在研究不同材料的导电性以提高电池效率。

12.The metal has high conductivity (导电性), making it ideal for electrical wiring.

这金属具有高导电性，使其非常适合用于电线。

13.In physics class, we learned that the conductivity (导电性) of water varies with its purity.

在物理课上，我们了解到水的导电性与其纯度有关。

14.The conductivity (导电性) of the soil can affect plant growth.

土壤的导电性会影响植物的生长。

作文

Conductivity is a fundamental property of materials that describes their ability to conduct electricity or heat. In the realm of physics and engineering, understanding conductivity (导电性) is crucial for designing efficient electrical systems and thermal management solutions. This property varies significantly among different materials; for instance, metals like copper and aluminum exhibit high conductivity (导电性), making them ideal for wiring and electronic components, while non-metals such as rubber and glass have low conductivity (导电性), which makes them suitable as insulators.One of the most common applications of conductivity (导电性) is in electrical circuits. The choice of materials used in circuit design directly impacts the efficiency and performance of electronic devices. For example, copper is often preferred for its excellent conductivity (导电性), which minimizes energy loss due to resistance. In contrast, when insulating materials are needed, engineers select substances with low conductivity (导电性) to prevent unwanted current flow and ensure safety.In addition to electrical applications, conductivity (导电性) also plays a significant role in thermal management. Materials with high thermal conductivity (导电性) are essential in applications where heat dissipation is critical, such as in computer processors and power electronics. For instance, heat sinks made from aluminum or copper help to disperse heat away from sensitive components, maintaining optimal operating temperatures and enhancing overall performance.The measurement of conductivity (导电性) can be performed using various methods, depending on the material and the context. For electrical conductivity (导电性), the unit of measurement is typically siemens per meter (S/m). In contrast, thermal conductivity (导热性) is measured in watts per meter-kelvin (W/m·K). These measurements help scientists and engineers determine the suitability of materials for specific applications, allowing for the optimization of designs based on conductivity (导电性) values.Moreover, the concept of conductivity (导电性) extends beyond simple electrical and thermal properties. In fields such as chemistry and environmental science, the conductivity (导电性) of solutions is an important parameter. For example, the conductivity (导电性) of water can indicate the presence of dissolved salts and minerals, providing valuable information about water quality. High conductivity (导电性) in water often suggests a higher concentration of ions, which can affect aquatic life and ecosystem health.In conclusion, conductivity (导电性) is a versatile and essential property that influences a wide range of applications across multiple disciplines. From electrical engineering to environmental science, understanding and measuring conductivity (导电性) allows us to make informed decisions about material selection and design. As technology continues to advance, the importance of conductivity (导电性) will only grow, highlighting the need for ongoing research and innovation in this critical area.