Jul 10, 2024 · Radiation is energy that travels in the form of waves or particles and is part of our everyday environment. People are exposed to radiation from cosmic rays, as well as to radioactive …

Jul 7, 2023 · Radiation is the emission of energy as electromagnetic waves or moving subatomic particles. Natural radiation comes from many naturally occurring radioactive materials found in soil, …

Jul 27, 2023 · WHO fact sheet on ionizing radiation, health effects and protective measures: includes key facts, definition, sources, type of exposure, health effects, nuclear emergencies, WHO response.

Oct 26, 2020 · Energy emitted from a source is generally referred to as radiation. Examples include heat or light from the sun, microwaves from an oven, X rays from an X-ray tube and gamma rays from …

Radiation and health We work to strengthen radiation protection of the public, patients and workers worldwide. We provide Member States with evidence-based guidance, tools and technical advice on …

Radiation exposure Ionizing radiation exposure is measured as "absorbed dose" in gray (Gy). The "effective dose" measured in sievert (Sv) takes account of the amount of ionizing radiation energy …

Radiation emergencies Radiation emergencies (including radiological and nuclear emergencies) may result from technological incidents, natural disasters, transport accidents, acts of terrorism, polluted …

Apr 23, 2011 · Among those who survived radiation sickness, recovery took several years. Many of them developed radiation-induced cataracts in the first few years after the accident. Recent studies of the …

辐射是以电磁波或运动的亚原子粒子形式发射能量。天然辐射来自土壤、水、空气和体内存在的许多天然放射性物质。人们每天通过空气、食物和水吸入和摄入各种形式的辐射。 辐射暴露可能源自天然（ …

La radiación es la emisión de energía en forma de ondas electromagnéticas o partículas subatómicas en movimiento. Muchos materiales radiactivos presentes en el suelo, el agua, el aire y nuestro …