- 放射性 fàngshèxìng radioactivitythe property of certain elements to spontaneously emit radiation as their atomic nuclei decay; also used to describe things that are radioactive
- 放射科 fàngshèkē radiology departmentdepartment of radiology in a hospital
- 放射线 fàngshèxiàn radioactive raysradioactive rays; radiation; high-energy beams emitted from an atomic nucleus during radioactive decay
- 放射源 fàngshèyuán radiation sourcea material or substance that emits radiation, such as a radioactive isotope; specifically the point or device from which radiation originates
- 放射病 fàngshèbìng radiation sicknessIllness caused by exposure to ionizing radiation from radioactive substances, which damages body tissues and can lead to death in severe cases
- 放射虫 fàngshèchóng radiolarianradiolarian; any of various single-celled marine animals that have a shell of silica and a radiating structure
- 放射性材料 fàngshèxìngcáiliào radioactive materialmaterial that contains unstable atoms and emits ionizing radiation
- 放射性核素 fàngshèxìnghésù radionuclideradioactive nuclide; radionuclide
- 放射性武器 fàngshèxìngwǔqì radiological weapon
- 放射性污染 fàngshèxìngwūrǎn radioactive contaminationradioactive pollution or contamination caused by the release of radioactive materials into the environment, typically through industrial activity or nuclear explosions
- 放射性沾染 fàngshèxìngzhānrǎn radioactive contaminationradioactive contamination; the presence of unwanted radioactive substances on surfaces or within solids, liquids, or gases
- 放射性沾染物 fàngshèxìngzhānrǎnwù radioactive contaminant
- 放射性活度 fàngshèxìnghuódù radioactivitythe rate at which a radioactive source decays over time
- 放射性炸弹 fàngshèxìngzhàdàn radiological bomba weapon designed to spread radioactive material using conventional explosives
- 放射性烟羽 fàngshèxìngyānyǔ radioactive plumea cloud of radioactive material released into the atmosphere
- 放射性碘 fàngshèxìngdiǎn radioiodineradioactive iodine
- 放射性落下灰 fàngshèxìngluòxiàhuī radioactive falloutradioactive fallout; radioactive dust that falls to the ground after a nuclear explosion
- 放射性衰变 fàngshèxìngshuāibiàn radioactive decayThe process by which certain unstable elements spontaneously release radiation to transform into more stable elements; also called [[衰变|衰變|shuai1 bian4]] (shuāibiàn) or [[放射衰变|放射衰變|fang4 she4 shuai1 bian4]] (fàngshè shuāibiàn)
- 放射治疗 fàngshèzhìliáo radiotherapytreatment of disease using ionizing radiation, such as X-rays; radiation therapy
- 放射物 fàngshèwù radioactive substanceradioactive material or substance; radiation
- 放射现象 fàngshèxiànxiàng radioactivityradioactivity; radioactive phenomenon
- 放射疗法 fàngshèliáofǎ radiotherapyThe treatment of cancer or other diseases using ionizing radiation.
- 放射线治疗 fàngshèxiànzhìliáo radiotherapyTreatment of disease, especially malignant tumors, using radiation from radioactive substances; radiation therapy.
- 放射线疗法 fàngshèxiànliáofǎ radiotherapytreatment of disease using ionizing radiation; radiotherapy; irradiation therapy
- 放射衰变 fàngshèshuāibiàn radioactive decaythe process by which an unstable atomic nucleus loses energy by radiation
- 低放射性废物 dīfàngshèxìngfèiwù low-level wastelow-level radioactive waste
- 放射防护 fàngshèfánghù radiological protectionprotection against the harmful effects of ionizing radiation; radiological defense
- 剩余放射性 shèngyúfàngshèxìng residual radioactivity
- 放射免疫测定 fàngshèmiǎnyìcèdìng radioimmunoassay
- 放射学 fàngshèxué radiologythe branch of medicine that uses radiation and imaging to diagnose and treat disease
- 放射性元素 fàngshèxìngyuánsù radioactive elementAn element composed of radioactive isotopes that can spontaneously emit radiation, such as radium, uranium, or thorium.
- 放射性同位素 fàngshèxìngtóngwèisù radioactive isotoperadioactive isotope; radioisotope
- 放射性废物 fàngshèxìngfèiwù radioactive wastewaste material that contains radioactive substances
