intensity of magnetic field

简明释义

磁场强度

英英释义

例句

1.In MRI machines, the intensity of magnetic field is crucial for obtaining clear images.

在MRI机器中，磁场强度对于获取清晰图像至关重要。

2.The scientist measured the intensity of magnetic field to determine its effects 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。

3.Engineers must consider the intensity of magnetic field when designing electrical circuits.

工程师在设计电路时必须考虑磁场强度。

4.The intensity of magnetic field can vary depending on the distance from the source.

根据距离源头的不同，磁场强度可能会有所变化。

5.The intensity of magnetic field around the magnet was so strong that it attracted small metal objects from a distance.

磁铁周围的磁场强度如此强大，以至于它从远处吸引小金属物体。

作文

The concept of the intensity of magnetic field is fundamental in the study of electromagnetism. It refers to the strength of a magnetic field at a given point in space, which can significantly influence various physical phenomena. Understanding this concept is crucial for applications ranging from electrical engineering to medical imaging. In physics, the intensity of magnetic field is often measured in teslas (T) or gauss (G), with one tesla being equivalent to 10,000 gauss. This measurement indicates how much magnetic force is exerted on charged particles moving through the field.To illustrate the importance of the intensity of magnetic field, consider the operation of an MRI machine. Magnetic Resonance Imaging (MRI) relies on powerful magnets to create detailed images of the inside of the human body. The intensity of magnetic field in an MRI scanner typically ranges from 1.5 to 3 teslas, which is significantly stronger than the Earth's magnetic field, approximately 0.00005 teslas. This high intensity allows for the alignment of hydrogen atoms in the body, enabling the machine to capture precise images.Moreover, the intensity of magnetic field plays a vital role in the functioning of electric motors and generators. In these devices, the interaction between electric currents and magnetic fields generates motion. The greater the intensity of magnetic field, the more efficient the conversion of electrical energy into mechanical energy, or vice versa. Engineers must carefully design these systems to optimize the intensity of magnetic field for maximum performance.In addition to technological applications, the intensity of magnetic field also has implications in environmental science. For instance, the Earth's magnetic field protects the planet from solar wind and cosmic radiation. Variations in the intensity of magnetic field can indicate changes in geological activity, such as earthquakes or volcanic eruptions. Scientists monitor these fluctuations to better understand the Earth’s processes and to predict natural disasters.Furthermore, researchers are exploring the effects of the intensity of magnetic field on biological systems. Studies have shown that exposure to strong magnetic fields can influence cellular processes, potentially leading to new medical treatments or therapies. However, the safety and long-term effects of such exposure are still under investigation, highlighting the need for further research in this area.In summary, the intensity of magnetic field is a critical parameter that affects a wide range of scientific and practical applications. From medical imaging to electrical engineering and environmental monitoring, understanding and manipulating the intensity of magnetic field can lead to advancements in technology and improvements in our understanding of the natural world. As we continue to explore the mysteries of magnetism, the significance of the intensity of magnetic field will undoubtedly remain a central topic of interest in both academic research and industrial innovation.

磁场强度的概念在电磁学研究中是基础性的。它指的是在空间某一点的磁场强度，这可以显著影响各种物理现象。理解这一概念对于电气工程到医学成像等应用至关重要。在物理学中，磁场强度通常以特斯拉（T）或高斯（G）为单位进行测量，其中一个特斯拉相当于10,000高斯。这一测量表明在磁场中移动的带电粒子受到多大的磁力。为了说明磁场强度的重要性，可以考虑MRI机器的操作。磁共振成像（MRI）依赖强大的磁铁来创建人体内部的详细图像。MRI扫描仪中的磁场强度通常在1.5到3特斯拉之间，这比地球的磁场强度（约0.00005特斯拉）强得多。这种高强度使得体内的氢原子能够排列，从而使机器能够捕捉精确的图像。此外，磁场强度在电动机和发电机的功能中也起着至关重要的作用。在这些设备中，电流与磁场之间的相互作用会产生运动。磁场强度越大，电能转化为机械能或反之的效率就越高。工程师必须仔细设计这些系统，以优化磁场强度以获得最佳性能。除了技术应用，磁场强度在环境科学中也有影响。例如，地球的磁场保护地球免受太阳风和宇宙辐射的影响。磁场强度的变化可以指示地质活动的变化，例如地震或火山爆发。科学家监测这些波动，以更好地理解地球的过程并预测自然灾害。此外，研究人员正在探索磁场强度对生物系统的影响。研究表明，暴露于强磁场中可能会影响细胞过程，从而可能导致新的医疗治疗或疗法。然而，对这种暴露的安全性和长期影响仍在调查中，突显了该领域进一步研究的必要性。总之，磁场强度是影响广泛科学和实际应用的关键参数。从医学成像到电气工程和环境监测，理解和操控磁场强度可以推动技术进步并改善我们对自然世界的理解。随着我们继续探索磁性之谜，磁场强度的重要性无疑将继续成为学术研究和工业创新的中心话题。