primary radionuclides

简明释义

原始放射性核素

英英释义

例句

1.In radiological assessments, primary radionuclides 主要放射性核素 are often measured to evaluate potential health risks.

在放射性评估中，通常会测量主要放射性核素 primary radionuclides以评估潜在的健康风险。

2.The decay of primary radionuclides 主要放射性核素 contributes to the natural background radiation in the environment.

主要放射性核素 primary radionuclides的衰变会导致环境中的自然背景辐射。

3.The safety protocols for handling primary radionuclides 主要放射性核素 must be strictly followed in laboratories.

在实验室中，处理主要放射性核素 primary radionuclides的安全协议必须严格遵守。

4.Researchers are investigating the migration patterns of primary radionuclides 主要放射性核素 in groundwater.

研究人员正在调查主要放射性核素 primary radionuclides在地下水中的迁移模式。

5.The study focused on the environmental impact of primary radionuclides 主要放射性核素 released from nuclear power plants.

该研究集中在核电站释放的主要放射性核素 primary radionuclides对环境的影响上。

作文

In the field of nuclear science, understanding the concept of primary radionuclides is crucial for various applications, including medical treatments, energy production, and environmental monitoring. Primary radionuclides are those isotopes that are produced directly from natural processes, such as the decay of heavier elements or through cosmic events. These isotopes play a significant role in both natural and artificial radioactive decay chains, influencing how we harness and utilize nuclear energy.One of the most well-known primary radionuclides is Uranium-238, which is found in abundance in the Earth's crust. This isotope undergoes a series of decay processes, ultimately leading to the formation of Radon-222, a gas that poses health risks when accumulated in buildings. The presence of primary radionuclides like Uranium-238 in geological formations is not only important for understanding radiation exposure but also for mining operations where uranium is extracted for fuel in nuclear reactors.Another significant primary radionuclide is Thorium-232. Similar to Uranium, Thorium can be used as a nuclear fuel, and it has gained attention due to its potential advantages over traditional uranium-based fuels. The decay chain of Thorium-232 leads to the production of Uranium-233, which is fissile and can sustain a nuclear reaction. This property makes Thorium a promising candidate for future nuclear power generation, especially in the context of sustainability and safety.In addition to energy production, primary radionuclides have vital applications in the medical field. For instance, Cobalt-60, which is produced artificially but has a significant role similar to primary radionuclides, is widely used in radiation therapy for cancer treatment. Its ability to emit gamma rays allows for targeted destruction of malignant cells while minimizing damage to surrounding healthy tissues. This illustrates how understanding primary radionuclides can lead to advancements in healthcare, providing patients with effective treatment options.Environmental monitoring also heavily relies on knowledge about primary radionuclides. Scientists track these isotopes to assess contamination levels in soil and water, particularly in areas affected by nuclear accidents or improper waste disposal. By measuring the concentration of primary radionuclides in the environment, researchers can evaluate the potential risks to human health and ecosystems, guiding remediation efforts and policy decisions.In conclusion, primary radionuclides are fundamental to our understanding of nuclear science and its applications. Whether in energy production, medical therapies, or environmental assessments, these isotopes significantly impact our lives. As technology advances, further research into primary radionuclides will undoubtedly lead to innovative solutions and a deeper understanding of the natural world around us. It is essential for students and professionals in the field to grasp the importance of these isotopes, as they are at the forefront of many scientific and technological developments today.

在核科学领域，理解“主要放射性核素”这一概念对于各种应用至关重要，包括医疗治疗、能源生产和环境监测。主要放射性核素是那些直接由自然过程产生的同位素，例如重元素的衰变或宇宙事件。这些同位素在自然和人工放射性衰变链中发挥着重要作用，影响我们如何利用和开发核能。最著名的主要放射性核素之一是铀-238，它在地壳中丰富存在。该同位素经历一系列衰变过程，最终形成氡-222，这是一种在建筑物内积聚时会对健康构成风险的气体。像铀-238这样的主要放射性核素在地质构造中的存在不仅对理解辐射暴露很重要，也对提取用于核反应堆燃料的铀矿开采作业至关重要。另一个重要的主要放射性核素是钍-232。与铀类似，钍也可以用作核燃料，由于其相较于传统铀基燃料的潜在优势而受到关注。钍-232的衰变链导致铀-233的产生，而铀-233是可裂变的，可以维持核反应。这一特性使得钍成为未来核电生产的有前景的候选者，尤其是在可持续性和安全性方面。除了能源生产，主要放射性核素在医疗领域也具有重要应用。例如，钴-60虽然是人工合成的，但其作用与主要放射性核素相似，广泛用于癌症治疗的放射疗法。它发出伽马射线的能力使得能够针对性地破坏恶性细胞，同时尽量减少对周围健康组织的损害。这表明，理解主要放射性核素可以推动医疗保健的进步，为患者提供有效的治疗选择。环境监测也在很大程度上依赖于对主要放射性核素的知识。科学家们追踪这些同位素，以评估土壤和水中的污染水平，特别是在遭受核事故或不当废物处置影响的地区。通过测量环境中主要放射性核素的浓度，研究人员可以评估对人类健康和生态系统的潜在风险，从而指导修复工作和政策决策。总之，主要放射性核素是我们理解核科学及其应用的基础。无论是在能源生产、医疗治疗还是环境评估中，这些同位素都对我们的生活产生重大影响。随着技术的进步，对主要放射性核素的进一步研究无疑将带来创新解决方案，并加深我们对周围自然世界的理解。学生和专业人士掌握这些同位素的重要性至关重要，因为它们正处于许多科学和技术发展的前沿。