amount of radiation
简明释义
辐射量
英英释义
The quantity or measure of ionizing radiation emitted from a source or received by an object, often expressed in units such as sieverts or grays. | 从一个源发出的或被一个物体接收的电离辐射的数量或测量,通常以西弗或戈瑞等单位表示。 |
例句
1.Scientists are studying the long-term effects of a high amount of radiation 辐射量 on human health.
科学家们正在研究高辐射量 辐射量对人类健康的长期影响。
2.Workers in the nuclear plant must wear protective gear to limit their exposure to the amount of radiation 辐射量 they encounter daily.
核电厂的工人必须穿戴防护装备,以限制他们每天接触的辐射量 辐射量。
3.The safety report indicated that the amount of radiation 辐射量 released during the incident was within safe limits.
安全报告指出,事件中释放的辐射量 辐射量在安全范围内。
4.The doctor explained that the amount of radiation 辐射量 used in the treatment is carefully calculated to minimize side effects.
医生解释说,治疗中使用的辐射量 辐射量是经过精确计算的,以尽量减少副作用。
5.During the flight, passengers are exposed to a small amount of radiation 辐射量 from cosmic rays.
在飞行过程中,乘客会受到来自宇宙射线的小辐射量 辐射量的影响。
作文
Radiation is an integral part of our environment, and it exists in various forms. While many people associate radiation with negative consequences, such as nuclear accidents or medical procedures, it is essential to understand that the amount of radiation 辐射量 we encounter daily is often harmless and even beneficial. In fact, radiation is a natural phenomenon that has been present since the formation of the Earth. It comes from both cosmic sources, like the sun, and terrestrial sources, such as rocks and soil.In modern society, we are exposed to different types of radiation, including ionizing and non-ionizing radiation. Ionizing radiation, which includes gamma rays and X-rays, has enough energy to remove tightly bound electrons from atoms, potentially leading to cellular damage. Non-ionizing radiation, on the other hand, includes visible light, radio waves, and microwaves, which do not carry enough energy to ionize atoms and are generally considered safe for human exposure.The amount of radiation 辐射量 we receive varies depending on several factors, including geographic location, occupation, and lifestyle choices. For instance, individuals living at higher altitudes are exposed to greater levels of cosmic radiation due to thinner atmosphere, while those who work in certain industries, such as healthcare or nuclear power, may encounter higher levels of ionizing radiation. Additionally, activities such as air travel and smoking can also contribute to an individual's overall exposure.To put this into perspective, the average person receives a dose of about 3 millisieverts (mSv) of radiation each year from natural sources. This amount is significantly lower than the doses received from medical imaging procedures, such as CT scans, which can range from 10 to 30 mSv. Understanding the concept of amount of radiation 辐射量 allows us to make informed decisions regarding our health and safety when it comes to medical treatments and environmental exposures.Moreover, the scientific community continuously studies the effects of radiation on human health. Research has shown that while high doses of ionizing radiation can lead to adverse health effects, such as cancer, the risks associated with low-level exposure are much less clear. Regulatory agencies, such as the Environmental Protection Agency (EPA) and the World Health Organization (WHO), provide guidelines and recommendations to minimize unnecessary exposure to radiation, ensuring public safety.It is crucial to recognize that not all radiation is harmful. For example, ultraviolet (UV) radiation from the sun is necessary for the production of vitamin D, which is vital for bone health. However, excessive exposure to UV radiation can lead to skin cancer, emphasizing the importance of moderation and protection.In conclusion, understanding the amount of radiation 辐射量 we encounter in our daily lives is essential for maintaining a healthy balance between the benefits and risks associated with radiation exposure. By being informed and cautious, we can enjoy the advantages of radiation while minimizing potential harm. As technology continues to advance and our understanding of radiation deepens, it is imperative to stay educated and aware of the implications of radiation in our world.
辐射是我们环境中不可或缺的一部分,存在各种形式。虽然许多人将辐射与负面后果联系在一起,例如核事故或医疗程序,但理解我们每天遇到的辐射量amount of radiation往往是无害的,甚至是有益的,这一点至关重要。事实上,辐射是一种自然现象,自地球形成以来就一直存在。它来自于宇宙源,如太阳,以及陆地源,如岩石和土壤。在现代社会,我们接触到不同类型的辐射,包括电离辐射和非电离辐射。电离辐射,包括伽马射线和X射线,具有足够的能量去移除原子中紧密结合的电子,可能导致细胞损伤。另一方面,非电离辐射包括可见光、无线电波和微波,这些辐射没有足够的能量去电离原子,通常被认为对人类暴露是安全的。我们接收到的辐射量amount of radiation因多个因素而异,包括地理位置、职业和生活方式选择。例如,居住在高海拔地区的人由于大气稀薄而暴露于更高水平的宇宙辐射,而在某些行业(如医疗保健或核电)工作的人可能会接触到更高水平的电离辐射。此外,像航空旅行和吸烟这样的活动也可能会增加个体的总体暴露。为了更好地理解这一点,普通人每年从自然来源接收的辐射剂量约为3毫西弗(mSv)。这个数量远低于从医学成像程序(如CT扫描)中接收到的剂量,后者可以在10到30毫西弗之间。理解辐射量amount of radiation的概念使我们能够在医疗治疗和环境暴露方面做出明智的健康和安全决策。此外,科学界持续研究辐射对人类健康的影响。研究表明,尽管高剂量的电离辐射可能导致不良健康后果,如癌症,但与低水平暴露相关的风险则不太明确。环境保护局(EPA)和世界卫生组织(WHO)等监管机构提供指南和建议,以最小化不必要的辐射暴露,确保公众安全。必须认识到,并非所有辐射都是有害的。例如,来自太阳的紫外线(UV)辐射对维生素D的生成是必要的,而维生素D对骨骼健康至关重要。然而,过度暴露于紫外线辐射可能导致皮肤癌,这强调了适度和保护的重要性。总之,理解我们日常生活中接收到的辐射量amount of radiation对于在辐射暴露相关的好处和风险之间保持健康平衡至关重要。通过保持知情和谨慎,我们可以享受辐射的优势,同时最小化潜在的危害。随着科技的不断进步和我们对辐射的理解加深,保持教育和意识辐射在我们世界中的影响至关重要。
相关单词