{"title":"2个数量","authors":"","doi":"10.1177/1473669119893146","DOIUrl":null,"url":null,"abstract":"A quantity closely related to absorbed dose is kerma (kinetic energy released per unit mass), which is the total kinetic energy released by all charged particles in a volume of specific mass. The units are also J·kg, with the name Gray (Gy). It is a useful quantity when assessing the absorbed dose in air at a location where individuals may have been located when the absorbed dose to those individuals is not available or cannot be obtained. It is the unit that is relevant when electronic equilibrium cannot be assumed and is often used for calibration in reference photon radiation fields. 2.1.3 RBE–Weighted Absorbed Dose","PeriodicalId":91344,"journal":{"name":"Journal of the ICRU","volume":"105 1","pages":"18 - 25"},"PeriodicalIF":0.0000,"publicationDate":"2019-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"2 Quantities\",\"authors\":\"\",\"doi\":\"10.1177/1473669119893146\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A quantity closely related to absorbed dose is kerma (kinetic energy released per unit mass), which is the total kinetic energy released by all charged particles in a volume of specific mass. The units are also J·kg, with the name Gray (Gy). It is a useful quantity when assessing the absorbed dose in air at a location where individuals may have been located when the absorbed dose to those individuals is not available or cannot be obtained. It is the unit that is relevant when electronic equilibrium cannot be assumed and is often used for calibration in reference photon radiation fields. 2.1.3 RBE–Weighted Absorbed Dose\",\"PeriodicalId\":91344,\"journal\":{\"name\":\"Journal of the ICRU\",\"volume\":\"105 1\",\"pages\":\"18 - 25\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2019-12-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of the ICRU\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1177/1473669119893146\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of the ICRU","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1177/1473669119893146","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A quantity closely related to absorbed dose is kerma (kinetic energy released per unit mass), which is the total kinetic energy released by all charged particles in a volume of specific mass. The units are also J·kg, with the name Gray (Gy). It is a useful quantity when assessing the absorbed dose in air at a location where individuals may have been located when the absorbed dose to those individuals is not available or cannot be obtained. It is the unit that is relevant when electronic equilibrium cannot be assumed and is often used for calibration in reference photon radiation fields. 2.1.3 RBE–Weighted Absorbed Dose
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