In medicine, the use of radioisotopes in various chemical forms for tracing purposes offers a powerful diagnostic tool.
放射性同位素以各种化学形态作为示踪剂的应用为医学提供了强有力的诊断工具。
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By Using a combined method of CB-HRP tracing with immunocytochemistry, chemical natures of CSF-contacting neurons in the dorsal raphe nucleus were studied.
The tracing polymer as one of the corrosion retarding and scale inhibiting components can indicate the effective concentration of the composite chemical accurately.