search coil

简明释义

探测线圈

英英释义

例句

1.A properly configured search coil can significantly enhance the sensitivity of the metal detector.

正确配置的探测线圈可以显著提高金属探测器的灵敏度。

2.The engineer calibrated the search coil to improve the detection of metal objects.

工程师校准了探测线圈以提高金属物体的探测能力。

3.During the experiment, we used a search coil to measure the magnetic field strength.

在实验过程中，我们使用了探测线圈来测量磁场强度。

4.The archaeologist employed a search coil to locate buried artifacts.

考古学家使用探测线圈来定位埋藏的文物。

5.The technician replaced the old search coil with a new one to improve performance.

技术员用新的探测线圈替换了旧的，以提高性能。

作文

In the realm of electromagnetic technology, the term search coil refers to a device used to detect and measure magnetic fields. This component is crucial in various applications, including metal detection, geological surveys, and even in some medical imaging techniques. Understanding how a search coil functions can provide insights into its importance in both scientific research and practical applications.A search coil typically consists of a loop of wire that is wound in a specific pattern. When an alternating current flows through this coil, it generates a changing magnetic field around it. If this coil is brought near a conductive material, such as metal, the magnetic field interacts with the material, inducing a current in it. This phenomenon is known as electromagnetic induction, which is the fundamental principle behind many technologies we use today.For instance, in metal detectors, a search coil is employed to identify buried metallic objects. The device emits a magnetic field, and when this field encounters a metal object, it produces a secondary magnetic field that the detector can sense. This allows users to locate coins, jewelry, or even historical artifacts buried underground. The effectiveness of a search coil in such scenarios depends on factors such as the size of the coil, the frequency of the current, and the type of metal being detected.Moreover, search coils are also utilized in geophysical surveys to explore subsurface structures. Geologists often use these devices to map the distribution of minerals and other geological features. By analyzing the response of the search coil to the Earth's magnetic field, scientists can infer valuable information about the composition and structure of the Earth beneath our feet. This has significant implications for mining, oil exploration, and environmental studies.In addition to these applications, search coils play a vital role in medical imaging technologies, particularly in magnetic resonance imaging (MRI). In an MRI machine, multiple search coils are used to capture detailed images of the body's internal structures. The coils detect the signals emitted by hydrogen atoms in the body when exposed to a strong magnetic field and radio waves. The data collected by the search coils are then processed to create high-resolution images that help doctors diagnose various medical conditions.The versatility of search coils makes them an essential component in many fields. Their ability to interact with magnetic fields and detect changes in those fields opens up numerous possibilities for innovation and discovery. As technology advances, we can expect to see even more sophisticated uses for search coils, further enhancing our understanding of the world around us.In conclusion, the search coil is a remarkable device that exemplifies the principles of electromagnetic induction. Its applications range from detecting metals to exploring geological formations and aiding in medical diagnostics. By mastering the concepts surrounding search coils, we can appreciate their significance in both everyday technology and advanced scientific research. As we continue to explore the potential of electromagnetic technologies, the search coil will undoubtedly remain a key player in the ongoing quest for knowledge and innovation.

在电磁技术领域，术语search coil指的是一种用于检测和测量磁场的设备。这个组件在各种应用中至关重要，包括金属探测、地质勘测，甚至某些医学成像技术。理解search coil的工作原理可以提供对其在科学研究和实际应用中重要性的深入见解。一个search coil通常由一圈特定模式缠绕的导线组成。当交流电流流过这个线圈时，它会在周围产生一个变化的磁场。如果这个线圈靠近导电材料（如金属），则磁场与材料相互作用，在其中感应出电流。这种现象被称为电磁感应，这是我们今天使用的许多技术的基本原理。例如，在金属探测器中，使用search coil来识别埋藏的金属物体。该设备发出一个磁场，当这个磁场遇到金属物体时，会产生一个次级磁场，探测器能够感知到。这使得用户能够定位埋在地下的硬币、珠宝或甚至历史文物。search coil在这种情况下的有效性取决于线圈的大小、电流的频率以及被检测金属的类型。此外，search coils还用于地球物理勘测，以探索地下结构。地质学家经常使用这些设备来绘制矿物和其他地质特征的分布图。通过分析search coil对地球磁场的响应，科学家可以推断出有关我们脚下地球的组成和结构的有价值信息。这对采矿、石油勘探和环境研究具有重要意义。除了这些应用外，search coils在医学成像技术中也发挥着重要作用，特别是在磁共振成像（MRI）中。在MRI机器中，多个search coils被用来捕捉身体内部结构的详细图像。这些线圈检测在强磁场和射频波照射下，身体中氢原子发出的信号。由search coils收集的数据经过处理后，可以创建高分辨率图像，帮助医生诊断各种医疗状况。search coils的多功能性使它们成为许多领域的重要组成部分。它们与磁场相互作用并检测这些场变化的能力，为创新和发现开辟了无数可能性。随着技术的进步，我们可以期待看到search coils更复杂的应用，进一步增强我们对周围世界的理解。总之，search coil是一种非凡的设备，体现了电磁感应的原理。它的应用范围从金属检测到地质构造勘探，再到医学诊断。通过掌握围绕search coils的概念，我们可以欣赏它们在日常技术和先进科学研究中的重要性。随着我们继续探索电磁技术的潜力，search coil无疑将继续在不断追求知识和创新的过程中扮演关键角色。