dose rate

简明释义

放射量率

英英释义

例句

1.They measured the dose rate in microSieverts per hour to assess the radiation exposure.

他们以每小时微西弗为单位测量剂量率以评估辐射暴露。

2.The radiologist explained that the dose rate of the radiation therapy would be adjusted based on the patient's condition.

放射科医生解释说，放疗的剂量率将根据患者的情况进行调整。

3.The dose rate from the radioactive source decreased over time as expected.

放射源的剂量率随着时间的推移而减少，这是预期的。

4.In a nuclear power plant, monitoring the dose rate is crucial for ensuring safety.

在核电站，监测剂量率对于确保安全至关重要。

5.Emergency responders must wear protective gear when the dose rate exceeds safe levels.

当剂量率超过安全水平时，紧急救援人员必须穿戴防护装备。

作文

Understanding the concept of dose rate is crucial in various fields, especially in medicine and environmental science. The term dose rate refers to the amount of radiation or a specific substance that is delivered over a certain period of time, typically expressed in units such as grays per hour (Gy/h) or millisieverts per hour (mSv/h). In medical settings, particularly in radiation therapy, the dose rate is a critical factor that determines the effectiveness of treatment while minimizing damage to surrounding healthy tissues.For instance, when treating cancer patients, doctors carefully calculate the dose rate to ensure that the tumor receives an adequate amount of radiation to shrink or eliminate it, while protecting the patient's normal cells. A higher dose rate may be necessary for aggressive tumors, but it also increases the risk of side effects. Therefore, understanding how to adjust the dose rate based on the type of cancer and the patient’s overall health is essential for successful treatment outcomes.In addition to its applications in medicine, the concept of dose rate is also significant in environmental science. For example, in assessing the safety of nuclear power plants or areas affected by radiation, scientists measure the dose rate of radiation exposure to determine whether it is within acceptable limits for human health. Regulatory agencies set guidelines for maximum allowable dose rates to protect workers and the public from potential harm.Moreover, the dose rate can vary significantly depending on factors such as distance from the radiation source, shielding materials, and duration of exposure. Understanding these variables helps researchers and safety professionals develop strategies to minimize exposure risks. For example, during a nuclear incident, emergency responders need to quickly assess the dose rate in affected areas to implement evacuation plans or provide protective measures to the public.In summary, the term dose rate encapsulates a vital aspect of both medical treatments and environmental safety assessments. Its importance cannot be overstated, as it directly impacts patient care in oncology and public health in radiation management. As technology advances and our understanding of radiation improves, the ability to accurately measure and adjust the dose rate will continue to play a pivotal role in ensuring safety and efficacy in various applications. By fostering a deeper comprehension of this concept, professionals across disciplines can better protect individuals and communities from the potential hazards associated with radiation exposure.

理解dose rate的概念在多个领域中至关重要，尤其是在医学和环境科学中。术语dose rate指的是在特定时间内传递的辐射或特定物质的数量，通常用每小时希腊单位（Gy/h）或毫西弗每小时（mSv/h）表示。在医学环境中，特别是在放射治疗中，dose rate是决定治疗有效性并最小化对周围健康组织损害的关键因素。例如，在治疗癌症患者时，医生会仔细计算dose rate，以确保肿瘤获得足够的辐射来缩小或消除，同时保护患者的正常细胞。更高的dose rate可能对于侵袭性肿瘤是必要的，但也增加了副作用的风险。因此，了解如何根据癌症类型和患者的整体健康状况调整dose rate对于成功的治疗结果至关重要。除了在医学中的应用外，dose rate的概念在环境科学中也很重要。例如，在评估核电站或受到辐射影响地区的安全性时，科学家会测量辐射暴露的dose rate，以确定其是否在可接受的人类健康范围内。监管机构设定了最大允许dose rate的指导方针，以保护工人和公众免受潜在伤害。此外，dose rate可能因辐射源的距离、屏蔽材料和暴露时间等因素而显著变化。理解这些变量有助于研究人员和安全专业人士制定减少暴露风险的策略。例如，在核事件期间，紧急响应人员需要快速评估受影响地区的dose rate，以实施撤离计划或向公众提供保护措施。总之，术语dose rate概括了医学治疗和环境安全评估的重要方面。它的重要性不容小觑，因为它直接影响肿瘤学中的患者护理和辐射管理中的公共健康。随着技术的进步和我们对辐射的理解加深，准确测量和调整dose rate的能力将继续在确保各种应用的安全性和有效性方面发挥关键作用。通过深化对这一概念的理解，各个学科的专业人士可以更好地保护个人和社区免受辐射暴露带来的潜在危害。