YSO vs. NaI: NaI is easily deliquesced NaI is toxic NaI is fragile NaI needs to be sealed in aluminum alloy to prevent deliquescing and damage, increasing the size and weight of the detector YSO vs. Ion Chamber: Ion chamber needs to be large in order to have good detection capability At the same size, YSO has much higher sensitivity Ion chamber is extremely sensitive to the environment (i.e. humidity, temperature, air pressure)
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