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marine radioactive measuring instrument
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marine radioactive measuring instrument
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放射性物质测量仪
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marine radioactive measuring instrument
放射性物质测量仪
现场测量得到海水的伽马能谱,分析海水环境的伽马辐射总量,甄别目标核素并解析具体核素的活度的设备。伽马射线产生的脉冲计数按照能量的分布称为伽马能谱。
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oriented cell
oriented chain complex
oriented circle
oriented circuit
oriented cobordant manifold
oriented cobordism
oriented cobordism class
oriented cobordism group
oriented cobordism theory
oriented cohomology theory
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oriented contour
oriented curve
oriented cycle
oriented direction
oriented distance
oriented element
oriented enzymatic hydrolysis
oriented fibration
oriented figure
oriented frame
oriented graph
oriented growth
oriented homology group
oriented intersection
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