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primary standard of air kerma
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primary standard of air kerma
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工学
空气比释动能基准
释
primary standard of air kerma
空气比释动能基准
定义、实现、保存空气比释动能的计量装置。主要用于放射诊断、放射治疗、工业等领域的量值传递。
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soil morphological characteristics
soil morphology
soil nailing wall
soil nailing wall support
soil natural residual magnetism
soil nematode
soil nitrogen
soil nitrogen cycle
soil nourishing system
soil nucleic acid extraction
soil nutrient
soil nutrient availability
soil nutrient cycle
soil nutrient grading
soil nutrient sensing
soil orders of Chinese Soil Taxonomy
soil organic carbon
soil organic colloid
soil organic master acquisition
soil organic matter balance
soil organic mattercalcification
soil organic matter cycling
soil organic pollutant in-situ monitor
soil organic pollutants analysis
soil organic pollution
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