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The influence of water temperature and pH on the survival of Fasciola hepatica miracidiaSmith, G.; Grenfell, B. T. · Parasitology · 1984
Effect of ultrasound on the survival of Saccharomyces cerevisiae: influence of temperature, pH and amplitudeS Guerrero; A López-Malo; S.M Alzamora · 2001
Influence of pH and Temperature on the Survival of Coliforms and Enteric Pathogens When Exposed to Free ChlorineButterfield, C. T.; Wattie, Elsie; Megregian, Stephen; Chambers, C. W. · Public Health Reports (1896-1970) · 1943
Studies of Sewage Purification: XV. Effective Bacteria in Purification by Trickling FiltersButterfield, C. T.; Wattie, Elsie · Public Health Reports (1896-1970) · 1941
Studies of Sewage Purification: IX. Total Purification, Oxidation, Adsorption, and Synthesis of Nutrient Substrates by Activated SludgeRuchhoft, C. C.; Butterfield, C. T.; McNamee, P. D.; Wattie, Elsie · Public Health Reports (1896-1970) · 1939
Studies of Sewage Purification: Observations on the Effect of Variations in the Initial Numbers of Bacteria and of the Dispersion of Sludge Flocs on the Course of Oxidation of Organic Material by Bacteria in Pure CultureButterfield, C. T.; Wattie, Elsie · Public Health Reports (1896-1970) · 1938