نتایج جستجو برای: bacterial population
تعداد نتایج: 887412 فیلتر نتایج به سال:
Several publications have been presented during recent years describing the application of various scanning devices for automatic counting or differentiation of cells stained with fluorochromes (Mellors and Silver, 1951; Mellors, Glassman, and Papanicolaou, 1952; and Loeser and Berkley, 1954). Most of these publications describe studies performed on cells obtained from tissue sections or on can...
9 Few bacterial cells may be sufficient to produce a food-borne illness outbreak, provided that 10 they are capable of adapting and proliferating on a food matrix. This is why any quantitative 11 health risk assessment policy must incorporate methods to accurately predict the growth of 12 bacterial populations from a small number of pathogens. In this aim, mathematical models 13 have become a p...
Introduction: In recent decades, with the emergence of new industrial activities and increase production of waste production, industries require the existence of treatment equipment and sanitation. These devices sometimes spread infectious microorganisms into the air. These include waste recycling industries and wastewater treatment plants. Bioaerosols are produced at different stages of the wa...
one of the most importanat traits of fluorescent pseudomonads, a phenomenon also related to their biocontrol, is the ability to develop phase variation during their rhizosphere colonization. for an investigation of this phenomenon, at first 24 bacterial strains of pseudomonas fluorescens that were able to cause an inhibiting zone within the range of 3-14.67 mm. against gaeumannomyces graminis v...
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