low-level radiation
简明释义
低强度辐射
英英释义
Low-level radiation refers to radiation that is emitted at a low intensity and is typically considered to pose a minimal risk to human health. | 低水平辐射是指以低强度发射的辐射,通常被认为对人类健康构成的风险很小。 |
例句
1.There are strict regulations governing the disposal of waste containing low-level radiation.
关于处理含有低水平辐射废物的规定非常严格。
2.Some medical procedures involve exposure to low-level radiation, such as X-rays.
某些医疗程序涉及暴露于低水平辐射,例如X光检查。
3.Workers in the facility are trained to handle materials that emit low-level radiation.
设施中的工人接受培训,以处理释放低水平辐射的材料。
4.The nuclear plant emits low-level radiation, which is monitored regularly for safety.
核电站释放低水平辐射,定期监测以确保安全。
5.Environmental studies often measure low-level radiation in soil and water samples.
环境研究通常测量土壤和水样中的低水平辐射。
作文
In recent years, the topic of low-level radiation has gained significant attention in both scientific communities and public discussions. Low-level radiation refers to the type of radiation that is emitted from natural sources, such as cosmic rays and radon gas, as well as from man-made sources, including medical procedures and nuclear power plants. While the term 'radiation' often evokes fear due to its association with high doses that can cause immediate harm, it is essential to understand that low-level radiation typically poses a much lower risk to human health. The effects of low-level radiation are still a subject of extensive research. Many studies have been conducted to assess the potential risks associated with prolonged exposure to this type of radiation. Some experts argue that the body has a remarkable ability to repair itself from minor damage caused by low-level radiation. For instance, the natural background radiation we encounter daily is mostly harmless and is absorbed by our bodies without any significant adverse effects. However, the debate continues regarding the safety levels of low-level radiation, particularly in specific contexts such as nuclear power generation and medical imaging techniques like X-rays and CT scans. In these scenarios, individuals may receive doses that are higher than the natural background levels, leading to concerns about cumulative exposure over time. One of the critical aspects of understanding low-level radiation is the concept of dose-response relationships. This principle suggests that the risk associated with radiation exposure is related to the amount of radiation received. For example, while a single exposure to low-level radiation might not result in noticeable health issues, repeated exposures could potentially increase the risk of developing conditions such as cancer. Therefore, regulatory agencies set guidelines to limit exposure to low-level radiation in occupational settings and public environments. Public perception of low-level radiation is also influenced by historical events, such as the atomic bombings in Hiroshima and Nagasaki, and more recently, the Fukushima disaster. These incidents have heightened awareness and concern about radiation exposure, even at low levels. As a result, many people advocate for stringent regulations and transparency regarding low-level radiation in industries that utilize or produce radiation. In conclusion, while low-level radiation is often viewed with apprehension, it is crucial to distinguish between different levels of radiation exposure and their respective risks. Ongoing research will continue to shed light on the long-term effects of low-level radiation and help establish safe practices for managing exposure. Educating the public about the realities of low-level radiation and fostering informed discussions can lead to better decision-making regarding its use in technology and medicine, ultimately ensuring public safety and health.
近年来,低水平辐射的话题在科学界和公众讨论中引起了显著关注。低水平辐射是指来自自然来源(如宇宙射线和氡气)以及人造来源(包括医疗程序和核电站)的辐射类型。虽然“辐射”这个词常常因其与可能造成即时伤害的高剂量辐射相关联而引发恐惧,但理解低水平辐射通常对人类健康的风险要低得多是至关重要的。关于低水平辐射的影响仍然是广泛研究的主题。许多研究已被开展以评估与长期接触这种辐射类型相关的潜在风险。一些专家认为,身体具有惊人的能力,可以修复由低水平辐射造成的轻微损伤。例如,我们每天遇到的自然背景辐射大多数是无害的,并且被我们的身体吸收而没有显著的不良影响。然而,关于低水平辐射的安全水平的争论仍在继续,特别是在核能发电和医学成像技术(如X光和CT扫描)等特定环境中。在这些情况下,个人可能会接收到高于自然背景水平的剂量,从而引发对长期累积暴露的担忧。理解低水平辐射的一个关键方面是剂量-反应关系的概念。这个原则表明,辐射暴露的风险与接收到的辐射量有关。例如,尽管单次接触低水平辐射可能不会导致明显的健康问题,但重复接触可能会增加患癌症等疾病的风险。因此,监管机构设定了指南,以限制在职业环境和公共环境中对低水平辐射的暴露。公众对低水平辐射的看法也受到历史事件的影响,例如广岛和长崎的原子弹轰炸,以及最近的福岛灾难。这些事件加剧了人们对辐射暴露的认识和担忧,即使在低水平上。因此,许多人主张在利用或产生辐射的行业中实施严格的监管和透明度。总之,虽然低水平辐射通常被视为令人担忧,但区分不同辐射暴露水平及其各自风险是至关重要的。持续的研究将继续阐明低水平辐射的长期影响,并帮助建立管理暴露的安全实践。教育公众关于低水平辐射的现实情况,并促进知情讨论可以导致更好的决策,关于其在技术和医学中的使用,最终确保公众的安全和健康。