Background radiation - Wikipedia
Background radiation is a measure of the level of ionizing radiation present in the environment at a particular location which is not due to deliberate introduction of radiation sources. …
背景辐射 - 百度百科
背景辐射（英语：CMB, cosmic microwave background，又称3K背景辐射）是 宇宙学 中“大爆炸”遗留下来的 电磁波 辐射，是一种 黑体辐射 （热辐射）。 在早期的文献中，“宇宙微波背景” …
What Is Background Radiation? Sources and Risks - Science …
2021年4月6日 · Background radiation is ionizing radiation present in the natural environment. It does not include non-ionizing radiation, like visible light or radio waves, nor does it include …
背景輻射 - 维基百科，自由的百科全书
背景輻射（英語： background radiation ），又稱本底輻射，是在環境中持續存在，可以是源自人為排放或自然存在的輻射，主要的來源有： 來自 地球 的：這些包括來自食物和水、地上的物 …
Radiation Sources and Doses | US EPA
6 天之前 · Naturally occurring radioactive minerals in the ground, soil, and water produce background radiation. The human body even contains some of these naturally-occurring …
Background Radiation | US EPA - U.S. Environmental Protection …
2024年1月23日 · Background radiation is the radiation that is present in the natural environment. Natural background radiation is all around us, all of the time. It makes up over half of our …
背景辐射 - 维基百科，自由的百科全书
2023年12月1日 · 背景辐射（英语： background radiation ），又称本底辐射，是在环境中持续存在，可以是源自人为排放或自然存在的辐射，主要的来源有： 来自 地球 的：这些包括来自食 …
A review on natural background radiation - PMC - PubMed …
Gamma radiation emitted from natural sources (background radiation) is largely due to primordial radionuclides, mainly 232 Th and 238 U series, and their decay products, as well as 40 K, …
Background radiation surrounds us at all times—it is everywhere. Since the earth was formed and life developed, all life on earth has been exposed to ionizing radiation*. This fact sheet …
Background Radiation - SpringerLink
2024年7月25日 · Background radiation refers to the ionising radiation constantly present in the environment. Since the dawn of life on Earth every individual, from every species, that has …