biological shielding

简明释义

生物屏蔽

英英释义

例句

1.Radiation therapy rooms are equipped with biological shielding to minimize exposure for patients and healthcare workers.

放射治疗室配备了生物屏蔽以最小化患者和医护人员的辐射暴露。

2.The design of the reactor included extensive biological shielding to ensure the safety of the surrounding environment.

反应堆的设计包括广泛的生物屏蔽以确保周围环境的安全。

3.Lead and concrete are commonly used materials for biological shielding in medical facilities.

铅和混凝土是医疗设施中常用的生物屏蔽材料。

4.Engineers must calculate the thickness of biological shielding required for different types of radiation.

工程师必须计算不同类型辐射所需的生物屏蔽的厚度。

5.In nuclear medicine, proper biological shielding is essential to protect staff from harmful radiation exposure.

在核医学中，适当的生物屏蔽对于保护工作人员免受有害辐射暴露至关重要。

作文

In the realm of nuclear science and radiation protection, the term biological shielding refers to the use of materials that absorb or attenuate ionizing radiation in order to protect living organisms from harmful effects. This concept is crucial in various fields including medicine, nuclear power plants, and research laboratories. Understanding biological shielding is essential for ensuring safety and minimizing exposure to radiation, which can have detrimental effects on human health and the environment.The primary purpose of biological shielding is to reduce the intensity of radiation that reaches a person or sensitive equipment. Different types of radiation, such as alpha particles, beta particles, gamma rays, and neutrons, require different shielding materials. For instance, alpha particles can be stopped by a sheet of paper, while gamma rays require dense materials like lead or thick concrete to significantly reduce their intensity. Neutrons, on the other hand, are best shielded by materials rich in hydrogen, such as water or polyethylene.In medical settings, biological shielding plays a vital role in protecting patients and healthcare workers during procedures involving radiation, such as X-rays or radiation therapy for cancer treatment. Hospitals utilize specialized rooms with thick walls made of concrete or lead-lined barriers to ensure that radiation does not escape into surrounding areas. This is particularly important in densely populated urban areas where the risk of exposure to radiation must be minimized.Nuclear power plants also rely heavily on biological shielding to safeguard both workers and the general public from radiation emitted during the generation of electricity. The reactor core, where nuclear fission occurs, is surrounded by thick concrete structures designed to contain radiation. Additionally, containment buildings are equipped with multiple layers of biological shielding to prevent any potential leaks that could pose a risk to the environment.Research laboratories that work with radioactive materials must implement stringent biological shielding measures to protect researchers and staff. This often includes using specialized equipment that is designed to minimize exposure, as well as ensuring that all radioactive materials are stored in appropriately shielded containers. Regular training and safety protocols are essential to maintain a safe working environment and to understand the importance of biological shielding in preventing accidents or overexposure.In conclusion, biological shielding is an indispensable aspect of radiation safety across various sectors. By effectively absorbing or reducing radiation, it protects individuals and the environment from the harmful effects of ionizing radiation. As technology advances and our understanding of radiation grows, the methods and materials used for biological shielding will continue to evolve, ensuring greater safety for all. It is imperative that professionals in fields dealing with radiation remain knowledgeable about the principles and practices of biological shielding to foster a culture of safety and responsibility in their work environments.

在核科学和辐射防护领域，术语生物屏蔽指的是使用吸收或衰减电离辐射的材料，以保护生物体免受有害影响。这个概念在医学、核电厂和研究实验室等多个领域至关重要。理解生物屏蔽对于确保安全和最小化辐射暴露至关重要，因为辐射对人类健康和环境可能造成不利影响。生物屏蔽的主要目的是减少辐射到达个人或敏感设备的强度。不同类型的辐射，如α粒子、β粒子、γ射线和中子，需要不同的屏蔽材料。例如，α粒子可以被一张纸阻挡，而γ射线则需要像铅或厚混凝土这样密度大的材料来显著降低其强度。中子则最好用富含氢的材料进行屏蔽，如水或聚乙烯。在医疗环境中，生物屏蔽在涉及辐射的程序中保护患者和医务工作者方面发挥着至关重要的作用，例如X光检查或癌症治疗中的放射治疗。医院利用厚混凝土墙或铅衬里屏障专门设计的房间，以确保辐射不会逃逸到周围区域。这在密集的人口稠密城市地区尤为重要，因为必须尽量减少辐射暴露的风险。核电厂也严重依赖生物屏蔽来保护工人和公众免受发电过程中释放的辐射。反应堆核心，即核裂变发生的地方，被厚混凝土结构包围，旨在包含辐射。此外，围护建筑物配备了多层生物屏蔽，以防止任何潜在泄漏可能对环境构成风险。处理放射性材料的研究实验室必须实施严格的生物屏蔽措施，以保护研究人员和工作人员。这通常包括使用专门设计的设备，以尽量减少暴露，以及确保所有放射性材料存储在适当屏蔽的容器中。定期培训和安全协议对于保持安全的工作环境至关重要，并了解在防止事故或过度暴露中生物屏蔽的重要性。总之，生物屏蔽是各个行业辐射安全不可或缺的一部分。通过有效吸收或减少辐射，它保护个人和环境免受电离辐射的有害影响。随着技术的进步和我们对辐射的理解不断提高，用于生物屏蔽的方法和材料将继续发展，以确保所有人的更大安全。在处理辐射的领域，专业人士必须保持对生物屏蔽原则和实践的知识，以促进其工作环境中安全和责任文化的形成。