magnetic field strength

简明释义

磁场强度

英英释义

例句

1.Engineers often need to calculate the magnetic field strength when designing electric motors.

工程师在设计电动机时常常需要计算磁场强度。

2.In MRI machines, the magnetic field strength is crucial for obtaining clear images of the body.

在MRI机器中，磁场强度对于获得清晰的身体图像至关重要。

3.The Earth’s magnetic field strength varies at different locations on the planet.

地球的磁场强度在地球不同位置上有所不同。

4.The magnetic field strength around the magnet can be visualized using iron filings.

可以使用铁屑可视化磁铁周围的磁场强度。

5.The scientist measured the magnetic field strength to determine its effect on the nearby electronic devices.

科学家测量了磁场强度以确定其对附近电子设备的影响。

作文

Understanding the concept of magnetic field strength is crucial for anyone interested in physics and engineering. The term refers to the intensity of a magnetic field at a specific point in space, which is determined by the amount of magnetic force exerted on a unit magnetic pole placed in that field. In simpler terms, magnetic field strength can be seen as a measure of how strong or weak a magnetic field is. It is typically measured in teslas (T) or gauss (G), where 1 T equals 10,000 G. In practical applications, the magnetic field strength plays a significant role in various technologies, such as electric motors, transformers, and magnetic resonance imaging (MRI). For instance, in electric motors, the magnetic field strength generated by the coils interacts with the magnetic field of the rotor, resulting in motion. Similarly, in MRI machines, a strong magnetic field strength is essential for obtaining clear images of the internal structures of the body, as it influences how protons in the body respond to radio waves. The magnetic field strength can be affected by several factors, including the distance from the source of the magnetic field and the material through which the field passes. For example, the strength of the magnetic field decreases as one moves further away from a magnet. Additionally, certain materials, known as ferromagnetic materials, can enhance the magnetic field strength when placed within a magnetic field. This property is utilized in various applications, such as in the design of magnetic shields and in the construction of inductors and transformers. Moreover, understanding magnetic field strength is essential for safety in environments where strong magnetic fields are present. High levels of magnetic field strength can interfere with electronic devices and may pose health risks to individuals with certain medical implants, such as pacemakers. Therefore, it is important to monitor and control magnetic field strength in workplaces that utilize strong magnets or electromagnetic equipment. In conclusion, the concept of magnetic field strength is fundamental in both theoretical and applied physics. Its implications reach far beyond the classroom, influencing technology and safety in our daily lives. By grasping the significance of magnetic field strength, individuals can better appreciate the role that magnetism plays in the world around us, from the simple refrigerator magnet to complex medical imaging devices. As we continue to explore the mysteries of magnetism, the importance of magnetic field strength will undoubtedly remain a pivotal topic in scientific research and technological advancements.

理解磁场强度概念对于任何对物理学和工程感兴趣的人来说都是至关重要的。这个术语指的是在特定空间点的磁场强度，它由施加在该场中的单位磁极上的磁力大小决定。简单来说，磁场强度可以看作是测量磁场强弱的一种方式。它通常以特斯拉（T）或高斯（G）为单位，其中1 T等于10,000 G。在实际应用中，磁场强度在各种技术中发挥着重要作用，例如电动机、变压器和磁共振成像（MRI）。例如，在电动机中，线圈产生的磁场强度与转子的磁场相互作用，从而产生运动。同样，在MRI机器中，强磁场强度对于获取清晰的身体内部结构图像至关重要，因为它影响身体内质子对无线电波的响应。磁场强度可能受到多个因素的影响，包括距离磁场源的远近以及磁场通过的材料。例如，当人们远离磁铁时，磁场的强度会减弱。此外，某些材料被称为铁磁材料，可以在磁场中增强磁场强度。这一特性在各种应用中得到了利用，例如在磁屏蔽的设计中，以及在电感器和变压器的构造中。此外，理解磁场强度对于在存在强磁场的环境中的安全性至关重要。高水平的磁场强度可能干扰电子设备，并且对某些医疗植入物（如起搏器）的人群可能造成健康风险。因此，在利用强磁铁或电磁设备的工作场所中，监测和控制磁场强度非常重要。总之，磁场强度的概念在理论和应用物理学中都是基础的。它的影响远远超出了课堂，影响着我们日常生活中的技术和安全。通过掌握磁场强度的重要性，个人可以更好地欣赏磁性在周围世界中的作用，从简单的冰箱磁铁到复杂的医学成像设备。随着我们继续探索磁性的奥秘，磁场强度的重要性无疑将继续成为科学研究和技术进步的一个关键主题。