| 释义 |
Definition of rem in English: remnoun rɛm A unit of effective absorbed dose of ionizing radiation in human tissue, loosely equivalent to one roentgen of X-rays. 雷姆（人体组织吸收的有效电离辐射单位，等于1伦琴X射线） Example sentencesExamples - An area in which radiation levels could result in an individual receiving a dose equivalent in excess of 0.1 rem per hour.
- The modern international system of units includes the Gray, the Sievert, and the Becquerel (Bq); these replace the rad, rem, and Curie, respectively.
- The rem takes account of a ‘quality factor’, which for the more dangerous alpha particles is 10.
- According to Badhwar, the total increase in cosmonaut exposure was about 6 or 7 rem, a dose equivalent to 100 to 150 days of additional radiation exposure.
Origin1940s: acronym from roentgen equivalent man. Rhymesahem, Belém, Clem, condemn, contemn, crème de la crème, em, gem, hem, Jem, LibDem, phlegm, pro tem, Shem, stem, them nounrem A unit of effective absorbed dose of ionizing radiation in human tissue, equivalent to one roentgen of X-rays. 雷姆（人体组织吸收的有效电离辐射单位，等于1伦琴X射线） Example sentencesExamples - An area in which radiation levels could result in an individual receiving a dose equivalent in excess of 0.1 rem per hour.
- According to Badhwar, the total increase in cosmonaut exposure was about 6 or 7 rem, a dose equivalent to 100 to 150 days of additional radiation exposure.
- The rem takes account of a ‘quality factor’, which for the more dangerous alpha particles is 10.
- The modern international system of units includes the Gray, the Sievert, and the Becquerel (Bq); these replace the rad, rem, and Curie, respectively.
Origin1940s: acronym from roentgen equivalent man. abbreviationˌärˌēˈemˌɑrˌiˈɛm |