Unverified88% confidenceDecision RuleTime unknown
核辐射检测选盖革-穆勒管（GM管）机型时，管子越大灵敏度越高，M4011管属入门级、J305/J321玻璃管灵敏度更高，能测低本底剂量；要测α/β射线需选带云母窗（薄窗）的机型，金属管GM计数管只能测γ和高能β
1
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88%
Confidence
Long-term
Relevance
-
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