Proceeded from the relationship between geochemical environment and mankind existence, and based on the data of regional stream sediment survey, the geochemical environment map is drown up.
本文从地球化学环境与人类生存关系出发，依据区域化探水系沉积物资料编制环境地球化学图。
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Methods Medical examinations including renal color Doppler ultrasound, computed tomography urography (CTU), urine routine, mid-stream urine culture, etc. were conducted during the survey.