paramagnetic substance

简明释义

顺磁质

英英释义

例句

1.Iron is a common example of a paramagnetic substance that shows magnetic properties.

铁是一个常见的顺磁性物质，显示出磁性特性。

2.When heated, a paramagnetic substance may lose its magnetic properties.

当加热时，顺磁性物质可能会失去其磁性特性。

3.The study of paramagnetic substances is important in understanding material properties.

研究顺磁性物质对于理解材料特性非常重要。

4.In medical imaging, paramagnetic substances can enhance the contrast of MRI scans.

在医学成像中，顺磁性物质可以增强MRI扫描的对比度。

5.A paramagnetic substance is attracted to a magnetic field, unlike a diamagnetic substance.

与反磁性物质不同，顺磁性物质会被磁场吸引。

作文

In the fascinating world of physics and materials science, the study of magnetic properties is crucial for understanding how different substances interact with magnetic fields. One such category of materials is known as a paramagnetic substance. A paramagnetic substance is defined as a material that is weakly attracted by an external magnetic field. This phenomenon occurs because of the presence of unpaired electrons in the atomic or molecular structure of the material. Unlike ferromagnetic materials, which can retain their magnetic properties even after the external field is removed, paramagnetic substances only exhibit magnetism in the presence of an external magnetic field and lose this property once the field is removed.The behavior of paramagnetic substances can be explained through the principles of quantum mechanics. In these materials, the unpaired electrons contribute to a net magnetic moment, which results in a weak attraction when exposed to a magnetic field. Common examples of paramagnetic substances include aluminum, platinum, and certain metal ions. These materials play essential roles in various applications, including magnetic resonance imaging (MRI) and other technologies that rely on magnetic properties.Understanding paramagnetic substances is not only important for academic purposes but also has practical implications in everyday life. For instance, in the medical field, MRI machines utilize the principles of paramagnetism to create detailed images of the body's internal structures. The contrast agents used in MRI scans often contain paramagnetic substances that enhance the quality of the images, allowing for better diagnosis and treatment planning.Moreover, the study of paramagnetic substances extends beyond medicine and into the realm of material science and engineering. Researchers are constantly exploring new paramagnetic substances for various applications, including data storage, sensors, and electronic devices. The ability to manipulate the magnetic properties of materials at the atomic level opens up new avenues for innovation and technology development.In conclusion, paramagnetic substances are a significant area of study within the fields of physics and materials science. Their unique properties allow them to be utilized in various applications, particularly in medicine and technology. As research continues to advance our understanding of these materials, we can expect to see even more innovative uses for paramagnetic substances in the future. By grasping the principles behind paramagnetic substances, we can appreciate the intricate connections between fundamental science and practical applications that shape our modern world.

在物理学和材料科学的迷人世界中，研究磁性特性对于理解不同物质如何与磁场相互作用至关重要。其中一个材料类别被称为顺磁性物质。顺磁性物质被定义为在外部磁场下被微弱吸引的材料。这种现象的发生是由于材料的原子或分子结构中存在未配对的电子。与能够在去除外部磁场后仍然保持其磁性特性的铁磁材料不同，顺磁性物质仅在外部磁场存在时表现出磁性，并且一旦磁场被移除，就会失去这种特性。顺磁性物质的行为可以通过量子力学的原理进行解释。在这些材料中，未配对的电子贡献了净磁矩，从而在暴露于磁场时导致微弱的吸引力。常见的顺磁性物质包括铝、铂和某些金属离子。这些材料在各种应用中发挥着重要作用，包括磁共振成像（MRI）和其他依赖于磁性特性的技术。理解顺磁性物质不仅对学术目的重要，而且对日常生活也具有实际意义。例如，在医学领域，MRI机器利用顺磁性的原理创建身体内部结构的详细图像。MRI扫描中使用的对比剂通常含有顺磁性物质，以增强图像的质量，从而允许更好的诊断和治疗计划。此外，顺磁性物质的研究不仅限于医学，还扩展到材料科学和工程领域。研究人员不断探索新的顺磁性物质以用于各种应用，包括数据存储、传感器和电子设备。在原子级别上操纵材料的磁性特性使得创新和技术发展的新途径得以打开。总之，顺磁性物质是物理学和材料科学领域的重要研究领域。它们独特的特性使它们能够在各种应用中得到利用，特别是在医学和技术方面。随着研究继续推进我们对这些材料的理解，我们可以期待在未来看到更多创新用途的顺磁性物质。通过掌握与顺磁性物质相关的原理，我们可以欣赏到基础科学与塑造我们现代世界的实际应用之间错综复杂的联系。