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laboratorial radioactivity survey nstrument
释义
laboratorial radioactivity survey nstrument
Encyclopedia
工学
人工放射性勘查仪器
释
laboratorial radioactivity survey nstrument
实验室放射性勘探仪器
利用天然放射性核素的辐射特性,测量被测岩石、土壤或空气中核素含量或射气浓度的室内分析仪器。由于体积大、重量大、功耗大、测量时间长、低温冷却、多样品需自动测量等因素,设备只能在实验室条件下进行工作,或放在移动式载体上进行流动测量。
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irrigation method and technology experiment
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irrigation program experiment
irrigation project management
Irrigation Project of Spring Water in Ancient China
irrigation projects planning
irrigation quota of each event
irrigation requirement
irrigations
irrigation scheduling of pasture
Irrigation Science
irrigation system
Irrigation system with reservoirs connected by canals in ancient China
irrigation technology on grassland
Irrigation warping soil
irrigation water
irrigation water demand
irrigation water management in ancient China
irrigation water productivity
irrigation water quality sprinkler
irrigation water source
irrigation water source project
irrigation water utilization efficiency
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