82 research outputs found
Influência de dados censurados no cálculo da concentração média das variáveis de qualidade da água demanda química de oxigênio e fosfato
Development of Statistical Techniques to Better Utilize Data Characterized by Being Below Instrument Detection Thresholds and by Small Sample Size.
Borrelia burgdorferi Infection Is Rarely Found in Patients with Chronic Fatigue Syndrome
Drying and ashing of biological samples in the trace element determination by neutron activation analysis
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