temporary magnetisation

简明释义

暂时磁化

英英释义

例句

1.After being magnetised, the tool showed temporary magnetisation, making it easier to pick up small metal parts.

工具被磁化后显示出暂时磁化，这使得拾取小金属部件变得更容易。

2.When the iron filings were exposed to a magnetic field, they demonstrated temporary magnetisation until the field was removed.

当铁屑暴露在磁场中时，它们展示了暂时磁化，直到磁场被移除。

3.In electric motors, temporary magnetisation is crucial for the operation of the rotor.

在电动机中，暂时磁化对转子运作至关重要。

4.The process of temporary magnetisation allows certain materials to exhibit magnetic properties for a short period.

这个暂时磁化过程使得某些材料在短时间内表现出磁性。

5.The scientist explained how temporary magnetisation can be used in data storage technologies.

科学家解释了如何在数据存储技术中使用暂时磁化。

作文

In the realm of physics and materials science, understanding the concept of temporary magnetisation is crucial for a variety of applications. temporary magnetisation refers to the phenomenon where certain materials exhibit magnetic properties only in the presence of an external magnetic field. Once the external field is removed, these materials lose their magnetism. This temporary nature of magnetisation is particularly significant in many technological applications, including electrical engineering and data storage. To illustrate this concept, consider the example of soft iron. When soft iron is subjected to a strong magnetic field, it becomes magnetised. However, this magnetisation is not permanent; as soon as the external magnetic field is taken away, the soft iron quickly returns to its non-magnetic state. This property makes soft iron an ideal material for use in electromagnets and transformers, where quick changes in magnetisation are necessary for efficient operation.The underlying mechanism of temporary magnetisation involves the alignment of magnetic domains within the material. In the absence of an external magnetic field, these domains are randomly oriented, resulting in no overall magnetisation. When an external magnetic field is applied, the domains begin to align in the direction of the field, leading to the material becoming magnetised. The degree of magnetisation depends on the strength of the applied field and the material's inherent properties.Moreover, temporary magnetisation plays a vital role in the functioning of various devices. For instance, in electric motors, the rotor relies on the temporary magnetisation of the stator to create rotational motion. Similarly, in magnetic recording media, such as hard drives, data is stored through the temporary magnetisation of tiny magnetic regions on the disk surface. By controlling the magnetisation of these regions, information can be encoded and retrieved efficiently.The concept of temporary magnetisation also has implications in research and development. Scientists are continually exploring new materials that exhibit desirable magnetic properties. For example, researchers are investigating nanomaterials that can achieve high levels of temporary magnetisation while being lightweight and energy-efficient. These advances could lead to the development of more compact and powerful electronic devices.Additionally, understanding temporary magnetisation is essential for safety considerations in various industries. For example, when working with magnetic tools or equipment, it is crucial to be aware of how they can become temporarily magnetised and pose risks during handling. Proper training and awareness can prevent accidents and ensure safe operations.In conclusion, temporary magnetisation is a fundamental concept that underpins many modern technologies and scientific research. Its transient nature allows for versatile applications, making it an area of interest for both engineers and scientists. As technology continues to evolve, the exploration of temporary magnetisation will undoubtedly lead to innovative solutions and advancements across multiple fields. Understanding this phenomenon not only enhances our knowledge of material properties but also paves the way for future technological breakthroughs.

在物理学和材料科学领域，理解暂时磁化的概念对于各种应用至关重要。暂时磁化是指某些材料仅在外部磁场存在时显示出磁性。一旦外部磁场被移除，这些材料就会失去其磁性。这种磁化的暂时性在许多技术应用中尤为重要，包括电气工程和数据存储。为了说明这一概念，可以考虑软铁的例子。当软铁受到强磁场的作用时，它会被磁化。然而，这种磁化并不是永久的；一旦外部磁场消失，软铁会迅速恢复到非磁性状态。这种特性使得软铁成为电磁铁和变压器等设备的理想材料，因为这些设备需要快速变化的磁化以实现高效操作。暂时磁化的基本机制涉及材料内部磁畴的排列。在没有外部磁场的情况下，这些磁畴是随机取向的，导致整体上没有磁化。当施加外部磁场时，磁畴开始朝着磁场的方向排列，从而使材料被磁化。磁化的程度取决于施加的磁场强度和材料的固有特性。此外，暂时磁化在各种设备的功能中也发挥着至关重要的作用。例如，在电动机中，转子依赖于定子的暂时磁化来产生旋转运动。同样，在磁记录介质（如硬盘）中，数据通过磁盘表面微小磁区的暂时磁化进行存储。通过控制这些区域的磁化，可以高效地编码和检索信息。暂时磁化的概念在研究与开发中也具有重要意义。科学家们不断探索具有理想磁性特性的材料。例如，研究人员正在研究能够实现高水平暂时磁化的纳米材料，同时保持轻便和能效。这些进展可能会导致更紧凑和强大的电子设备的发展。此外，理解暂时磁化对于各行业的安全考虑至关重要。例如，在使用磁性工具或设备时，了解它们如何可能暂时磁化并在处理过程中带来风险是至关重要的。适当的培训和意识可以防止事故并确保安全操作。总之，暂时磁化是一个基本概念，支撑着许多现代技术和科学研究。其瞬态特性允许多种应用，使其成为工程师和科学家感兴趣的领域。随着技术的不断发展，对暂时磁化的探索无疑将带来创新的解决方案和多领域的进步。理解这一现象不仅增强了我们对材料特性的认识，也为未来的技术突破铺平了道路。