نتایج جستجو برای: relative resistance
تعداد نتایج: 751617 فیلتر نتایج به سال:
The effect of surface vibrations on the propulsion augmentation and resistance in relative movement parallel plates has been studied. analysis was focused monochromatic waves laminar flows. effectiveness gauged by determining external force required to maintain one at a prescribed velocity. It is shown that propagating upstream always increase but flow response downstream more intricate functio...
BACKGROUND Antimicrobial resistance is one of the most challenging issues in modern medicine. METHODS We evaluated the secular trends of the relative frequency of blood isolates and of the pattern of their in vitro antimicrobial susceptibility in our hospital during the last four and a half years. RESULTS Overall, the data regarding the relative frequency of blood isolates in our newly foun...
BACKGROUND Antibiotic resistance typically confers a biological fitness cost on bacteria that can be manifested as a decreased growth rate in culture media and experimental animals. However, there are limited experimental data on the relative fitness of resistant and susceptible bacteria during growth in their natural environment. OBJECTIVE We have developed a human competition model to inves...
The dissemination of antibiotic resistance genes to the environment is an important factor causing increased prevalence of resistant pathogens. Manure is an important fertilizer, but it contains diverse resistance genes. Therefore, its application to fields may lead to increased abundance of resistance genes in the environment. Farming environments exposed to animal manure have not been studied...
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