| 单词 | beta radiation |
| 例句 | It emits a weak form of beta radiation that does not travel far and cannot penetrate human skin, according to the Nuclear Regulatory Commission. Minnesota nuclear plant shuts down for leak; residents worry 2023-03-24T04:00:00Z It emits a weak form of beta radiation that does not travel very far and cannot penetrate human skin, according to the Nuclear Regulatory Commission. Regulators: Nuclear plant leak didn’t require public notice 2023-03-17T04:00:00Z “What may confuse people is that most of the dose to an individual from eating potassium-40 comes from the beta radiation emitted during the decay of the radioactive atoms,” Chabot wrote. NOT REAL NEWS: A look at what didn’t happen this week 2023-03-17T04:00:00Z It emits a weak form of beta radiation that does not travel very far and cannot penetrate human skin, according to the NRC. Regulators monitor tritium leak at Minnesota nuclear plant 2023-03-16T04:00:00Z The substance in question, actinium-227, emits alpha and beta radiation, both of which are charged particles. Opinion | Readers critique The Post: Careful describing the Supreme Court justices — and the boy Whiffenpoofs 2019-02-22T05:00:00Z Three forms of radiation are emitted by radioactive substances: alpha particles, which are made of nuclei of helium atoms, beta radiation, which consists of electrons and gamma radiation, a form of high-energy electromagnetic radiation. How UK scientists solved Alexander Litvinenko riddle 2016-01-16T05:00:00Z Radioactive cesium decays by emitting what's known as a beta radiation, a negatively charged particle that is easily blocked by metal, plastic or wood—but not skin. Radioactive Fish Near Fukushima Suggest Ongoing Contamination 2012-10-28T20:17:09.527Z “This beta radiation is not very penetrating so that practically all of the energy emitted remains within the individual and cannot irradiate anyone else.” NOT REAL NEWS: A look at what didn’t happen this week 2023-03-17T04:00:00Z However, if radioactive material is ingested or inhaled into the body, it is actually the lower energy alpha and beta radiation that becomes the more dangerous. How Radiation Threatens Health 2011-03-15T23:45:00.243Z Such radiation is easy to block; one’s epidermis can block alpha radiation, and a few millimeters of aluminum can block beta radiation. Opinion | Readers critique The Post: Careful describing the Supreme Court justices — and the boy Whiffenpoofs 2019-02-22T05:00:00Z As a result, beta particles can penetrate far more deeply into bodily tissue and external doses of beta radiation represent a significantly greater threat than the slower, heavier alpha particles. Worldwide Effects of Nuclear War: Some Perspectives |
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