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roentgen equivalent man
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roentgen equivalent man
Encyclopedia
理学
人类居住环境统计
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roentgen equivalent man
人体伦琴当量
一个旧制的剂量当量单位,为组织内被研究一点上的吸收剂量、品质因数和其他修正因数(由于同位素在体内沉积的不均匀分布所导致的放射性生物学方面的因素而考虑引入)三个量的乘积。又称雷姆(rem)。
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soil spatial variability
soil spatiotemporal evolution
soil specific surface area
soil spectroscopy
soil spraying gun
soil stability control
soil stable organic matter
soil sticky masses
soil strength
soil structure
soil structure assessment
soil structure classification
soil structure coefficient
soil structure degradation
soil suction force
soil suitability
soil sulfur
soil surface complex
soil surfaced area
soil survey
soil swelling
Soil Taxonomy
soil taxonomy
soil temperature
soil temperature at tiller node
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