fluctuating resistance

简明释义

波动阻力

英英释义

例句

1.Our team is investigating the causes of the fluctuating resistance in the electrical system.

我们的团队正在调查电气系统中波动的电阻的原因。

2.The fluctuating resistance in the heating element made it difficult to maintain a consistent temperature.

加热元件中的波动的电阻使得保持恒定温度变得困难。

3.In the testing lab, we observed that the fluctuating resistance impacted the accuracy of our measurements.

在测试实验室，我们观察到波动的电阻影响了测量的准确性。

4.The engineer noted that the circuit had a fluctuating resistance which caused intermittent failures.

工程师注意到电路存在波动的电阻，这导致了间歇性故障。

5.The technician replaced the faulty components to stabilize the fluctuating resistance in the device.

技术人员更换了故障组件，以稳定设备中的波动的电阻。

作文

In the realm of physics and engineering, the concept of fluctuating resistance plays a crucial role in understanding how electrical circuits operate under varying conditions. When we talk about fluctuating resistance (波动电阻), we refer to the changes in resistance that occur in a conductor or circuit due to various factors such as temperature, material properties, and external influences. This phenomenon is essential for engineers and scientists as it affects the efficiency and performance of electronic devices.One of the primary reasons for fluctuating resistance is temperature variation. As the temperature of a conductor increases, its atoms vibrate more vigorously, which can lead to increased resistance. For example, metals like copper and aluminum have a positive temperature coefficient, meaning their resistance increases with temperature. Conversely, some materials exhibit negative temperature coefficients, where their resistance decreases as temperature rises. Understanding these behaviors is vital for designing circuits that can operate reliably across a range of temperatures.Another factor contributing to fluctuating resistance is the physical state of the material. For instance, when a metal is subjected to mechanical stress, its structure may change, leading to variations in resistance. This is particularly significant in applications where materials are exposed to dynamic forces, such as in automotive or aerospace engineering. Engineers must account for these changes to ensure the safety and functionality of their designs.Moreover, the presence of impurities in a material can also lead to fluctuating resistance. In semiconductors, for example, doping with certain elements can alter the electrical properties significantly. The resistance can fluctuate based on the concentration of dopants and the temperature of the environment. This principle is widely utilized in the manufacturing of electronic components, where precise control over resistance is necessary for optimal performance.In practical applications, fluctuating resistance can have both positive and negative effects. On the one hand, it can be harnessed for beneficial purposes, such as in thermistors and other temperature-sensing devices. These components rely on the predictable changes in resistance with temperature to provide accurate readings. On the other hand, unwanted fluctuations can lead to inefficiencies and malfunctions in electrical systems. For instance, in power transmission lines, fluctuating resistance can cause energy losses and affect the overall stability of the grid.To mitigate the adverse effects of fluctuating resistance, engineers employ various strategies. One common approach is the use of feedback control systems that can adjust the operating conditions in real-time. By continuously monitoring the resistance and making necessary adjustments, these systems can maintain optimal performance even in the face of fluctuating environmental conditions.In conclusion, the concept of fluctuating resistance (波动电阻) is integral to the study of electrical circuits and materials science. Its implications span a wide range of fields, from consumer electronics to large-scale industrial applications. By understanding the factors that contribute to resistance fluctuations, engineers can design more efficient and reliable systems. As technology continues to evolve, the importance of mastering concepts like fluctuating resistance will only grow, paving the way for innovations that enhance our daily lives.

在物理和工程领域，fluctuating resistance（波动电阻）的概念在理解电路在不同条件下的运行中起着至关重要的作用。当我们谈论fluctuating resistance时，我们指的是由于温度、材料特性和外部影响等各种因素而发生的导体或电路中的电阻变化。这一现象对工程师和科学家至关重要，因为它影响着电子设备的效率和性能。导致fluctuating resistance的主要原因之一是温度变化。随着导体温度的升高，其原子振动更加剧烈，这可能导致电阻增加。例如，像铜和铝这样的金属具有正温度系数，意味着其电阻随温度的升高而增加。相反，一些材料表现出负温度系数，即其电阻在温度上升时降低。理解这些行为对于设计能够在各种温度范围内可靠运行的电路至关重要。另一个导致fluctuating resistance的因素是材料的物理状态。例如，当金属受到机械应力时，其结构可能会发生变化，从而导致电阻的变化。这在材料暴露于动态力的应用中尤为重要，例如汽车或航空航天工程。工程师必须考虑这些变化，以确保其设计的安全性和功能性。此外，材料中杂质的存在也会导致fluctuating resistance。例如，在半导体中，掺杂某些元素可以显著改变电气特性。电阻可能会根据掺杂剂的浓度和环境温度而波动。这一原理广泛应用于电子元件的制造中，其中对电阻的精确控制对于最佳性能至关重要。在实际应用中，fluctuating resistance既有积极影响，也有消极影响。一方面，它可以被用于有益的目的，例如在热敏电阻和其他温度传感器中。这些组件依赖于电阻随温度变化的可预测性来提供准确的读数。另一方面，不必要的波动可能导致电气系统的低效和故障。例如，在电力传输线路中，波动电阻可能导致能量损失，并影响电网的整体稳定性。为了减轻fluctuating resistance的不利影响，工程师采用各种策略。其中一种常见的方法是使用反馈控制系统，可以实时调整操作条件。通过持续监测电阻并进行必要的调整，这些系统可以在面对波动的环境条件时保持最佳性能。总之，fluctuating resistance（波动电阻）的概念是电路和材料科学研究的核心。其影响跨越多个领域，从消费电子到大规模工业应用。通过理解导致电阻波动的因素，工程师可以设计出更高效、更可靠的系统。随着技术的不断发展，掌握如fluctuating resistance这样的概念的重要性将只会增加，为改善我们日常生活的创新铺平道路。