neutron coincidence counter

简明释义

中子符合计数器

英英释义

例句

1.The laboratory used a neutron coincidence counter to detect the presence of fissile materials.

实验室使用了一个中子重合计数器来检测可裂变材料的存在。

2.In nuclear security, a neutron coincidence counter is essential for identifying illicit trafficking of nuclear substances.

在核安全领域，中子重合计数器对于识别核物质非法走私至关重要。

3.Research facilities often rely on a neutron coincidence counter for precise measurements of neutron emissions.

研究机构通常依赖于中子重合计数器来精确测量中子排放。

4.During the experiment, the team calibrated the neutron coincidence counter for optimal performance.

在实验期间，团队对中子重合计数器进行了校准，以达到最佳性能。

5.To ensure safety, the reactor site was equipped with a neutron coincidence counter to monitor neutron flux.

为了确保安全，反应堆现场配备了一个中子重合计数器来监测中子通量。

作文

In the field of nuclear physics and radiation detection, the term neutron coincidence counter refers to a specialized instrument designed to measure neutron emissions from radioactive sources. This device operates on the principle of detecting coincident events, which occur when two or more neutrons are detected within a very short time frame. The importance of the neutron coincidence counter lies in its ability to provide accurate measurements of neutron flux and energy, which are critical for various applications, including nuclear security, radiation protection, and scientific research.The basic functioning of a neutron coincidence counter involves the use of multiple detectors arranged in a specific configuration. When neutrons emitted from a source interact with the detectors, they produce secondary particles, such as protons or alpha particles. These secondary particles are then detected by the counting system. The coincidence timing mechanism is crucial, as it ensures that only those events that occur simultaneously or within a defined time window are counted. This significantly reduces background noise and enhances the sensitivity of the measurement.One of the primary applications of the neutron coincidence counter is in the field of nuclear safeguards. By accurately measuring the neutron emissions from nuclear materials, authorities can monitor and verify compliance with international regulations. This is particularly important in preventing the proliferation of nuclear weapons and ensuring that nuclear materials are used safely and securely.In addition to nuclear safeguards, the neutron coincidence counter is also widely used in scientific research. Researchers utilize this instrument to study various phenomena related to neutron interactions, such as neutron scattering experiments and the analysis of materials. By understanding how neutrons interact with different substances, scientists can gain insights into the fundamental properties of matter and develop new materials with unique characteristics.Moreover, the neutron coincidence counter plays a vital role in radiation protection. Personnel working in environments with potential neutron exposure rely on this device to monitor radiation levels and ensure their safety. The accurate detection of neutron radiation helps in implementing appropriate safety measures and minimizing health risks associated with radiation exposure.In conclusion, the neutron coincidence counter is an essential tool in the realms of nuclear physics, security, and research. Its ability to detect coincident neutron events allows for precise measurements that are crucial for safeguarding nuclear materials, advancing scientific knowledge, and protecting individuals from radiation hazards. As technology continues to evolve, the capabilities of the neutron coincidence counter are likely to improve, further enhancing its significance in various fields. Understanding this instrument not only sheds light on its technical aspects but also highlights its broader implications in our society, especially concerning safety and security in a world where nuclear technologies play an increasingly prominent role.

在核物理和辐射检测领域，术语中子重合计数器指的是一种专门设计的仪器，用于测量放射性源的中子发射。该设备基于检测重合事件的原理工作，当两个或多个中子在非常短的时间内被检测到时，就会发生重合事件。中子重合计数器的重要性在于它能够提供中子通量和能量的准确测量，这对于核安全、辐射防护和科学研究等各种应用至关重要。中子重合计数器的基本工作原理涉及使用多个以特定配置排列的探测器。当来自源的中子与探测器相互作用时，它们会产生次级粒子，如质子或α粒子。这些次级粒子随后被计数系统检测到。重合计时机制至关重要，因为它确保只有在同时或定义的时间窗口内发生的事件才会被计数。这显著减少了背景噪声，提高了测量的灵敏度。中子重合计数器的主要应用之一是在核保障领域。通过准确测量核材料的中子发射，相关机构可以监测和验证国际法规的遵守情况。这在防止核武器扩散和确保核材料的安全和保安方面尤为重要。除了核保障外，中子重合计数器在科学研究中也得到了广泛应用。研究人员利用这一仪器研究与中子相互作用相关的各种现象，例如中子散射实验和材料分析。通过理解中子如何与不同物质相互作用，科学家们可以深入了解物质的基本属性，并开发出具有独特特性的材料。此外，中子重合计数器在辐射防护中发挥着至关重要的作用。在潜在中子暴露环境中工作的人员依赖该设备来监测辐射水平并确保其安全。对中子辐射的准确检测有助于实施适当的安全措施，最大限度地降低与辐射暴露相关的健康风险。总之，中子重合计数器是核物理、安全和研究领域的重要工具。它检测重合中子事件的能力使得精确测量成为可能，这对于保护核材料、推动科学知识进步以及保护个人免受辐射危害至关重要。随着技术的不断发展，中子重合计数器的能力可能会得到提升，进一步增强其在各个领域的重要性。理解这一仪器不仅阐明了其技术方面，还突出了其在我们社会中的更广泛影响，尤其是在核技术日益突出的世界中，安全和保障方面的影响。