absorbed dose
简明释义
吸收线量
英英释义
The absorbed dose is the amount of energy deposited by ionizing radiation in a unit mass of matter, typically measured in grays (Gy). | 吸收剂量是指电离辐射在单位质量物质中沉积的能量,通常以戈瑞(Gy)为单位进行测量。 |
例句
1.The absorbed dose 吸收剂量 of the radiation therapy was calculated based on the patient's body weight.
根据患者体重计算了放射治疗的吸收剂量 absorbed dose。
2.High levels of absorbed dose 吸收剂量 can lead to radiation sickness.
高水平的吸收剂量 absorbed dose 可能导致辐射病。
3.The physician explained that the absorbed dose 吸收剂量 of radiation can affect the treatment outcome.
医生解释说,辐射的吸收剂量 absorbed dose 会影响治疗结果。
4.In radiology, it is crucial to monitor the absorbed dose 吸收剂量 to ensure patient safety.
在放射学中,监测吸收剂量 absorbed dose 对确保患者安全至关重要。
5.The safety guidelines specify the maximum permissible absorbed dose 吸收剂量 for workers in nuclear facilities.
安全指南规定了核设施工作人员最大允许的吸收剂量 absorbed dose。
作文
The concept of absorbed dose is crucial in the fields of radiation physics and medical imaging. It refers to the amount of energy deposited by ionizing radiation per unit mass of tissue. Understanding this measurement is essential for ensuring safety in environments where radiation is present, such as hospitals, nuclear power plants, and research facilities. The absorbed dose is typically measured in grays (Gy), where one gray is defined as the absorption of one joule of radiation energy by one kilogram of matter.In medical settings, the absorbed dose plays a significant role in radiotherapy, where cancer patients are treated with high doses of radiation to destroy malignant cells. The effectiveness of the treatment largely depends on delivering an adequate absorbed dose to the tumor while minimizing exposure to surrounding healthy tissues. This delicate balance is achieved through precise planning and the use of advanced technologies that allow for targeted radiation delivery.Moreover, the absorbed dose is also critical in diagnostic imaging techniques such as X-rays and CT scans. These procedures involve exposing patients to radiation to obtain images of the internal structures of the body. Medical professionals must consider the absorbed dose to ensure that the diagnostic benefits outweigh the potential risks associated with radiation exposure. As technology advances, efforts continue to reduce the absorbed dose during imaging without compromising image quality.In addition to its applications in medicine, the absorbed dose is vital in assessing radiation exposure in various industries. Workers in nuclear facilities, for example, are monitored for their absorbed dose to prevent overexposure, which can lead to serious health issues, including radiation sickness and increased cancer risk. Regulatory agencies set limits on the absorbed dose that workers can receive over specific periods to protect their health and safety.Furthermore, the absorbed dose concept extends beyond human health to environmental considerations. In the event of a nuclear accident, understanding the absorbed dose received by the surrounding population is essential for implementing effective emergency response measures. This information helps determine evacuation zones, medical treatments, and long-term health monitoring strategies.In conclusion, the term absorbed dose encompasses a fundamental aspect of radiation science that impacts various fields, particularly medicine and occupational safety. By quantifying the amount of energy absorbed by biological tissues, we can assess risks, optimize treatments, and enhance safety protocols. As research continues to advance our understanding of radiation effects, the importance of accurately measuring the absorbed dose will remain paramount in safeguarding public health and ensuring the responsible use of radiation in our society.
“吸收剂量”这一概念在辐射物理和医学成像领域至关重要。它指的是单位质量的组织所吸收的电离辐射能量的数量。理解这一测量对于确保在医院、核电站和研究设施等存在辐射的环境中的安全性至关重要。“吸收剂量”通常以格雷(Gy)为单位进行测量,其中一个格雷被定义为每千克物质吸收一焦耳辐射能量。在医疗环境中,“吸收剂量”在放射治疗中发挥着重要作用,癌症患者通过高剂量辐射治疗以消灭恶性细胞。治疗的有效性在很大程度上取决于向肿瘤提供足够的“吸收剂量”,同时尽量减少对周围健康组织的照射。这种微妙的平衡通过精确的计划和使用先进的技术实现,这些技术可以实现靶向辐射投放。此外,“吸收剂量”在X射线和CT扫描等诊断成像技术中也至关重要。这些程序涉及使患者暴露于辐射中,以获取身体内部结构的图像。医疗专业人员必须考虑“吸收剂量”,以确保诊断益处超过与辐射暴露相关的潜在风险。随着技术的发展,人们继续努力在不影响图像质量的情况下降低“吸收剂量”。除了在医学中的应用外,“吸收剂量”在评估各个行业的辐射暴露方面也至关重要。例如,在核设施工作的工人会被监测其“吸收剂量”,以防止过度暴露,这可能导致严重的健康问题,包括辐射病和癌症风险增加。监管机构设定了工人在特定时期内可以接受的“吸收剂量”限制,以保护他们的健康和安全。此外,“吸收剂量”的概念超越了人类健康,涉及环境考虑。在核事故发生时,了解周围人群所接受的“吸收剂量”对于实施有效的应急响应措施至关重要。这些信息有助于确定撤离区域、医疗治疗和长期健康监测策略。总之,术语“吸收剂量”涵盖了辐射科学的基本方面,影响着多个领域,特别是医学和职业安全。通过量化生物组织所吸收的能量,我们可以评估风险、优化治疗并增强安全协议。随着研究持续推进我们对辐射影响的理解,准确测量“吸收剂量”的重要性将在保护公共健康和确保辐射在我们社会中负责任的使用方面保持重要。
相关单词