River Stones
Mostrando 1-6 de 6 artigos, teses e dissertações.
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1. AVALIAÇÃO DA EFICÁCIA DAS CAIXAS DE CONTENÇÃO DE SEDIMENTO EM ESTRADAS RURAIS NÃO PAVIMENTADAS NA BACIA DO RIO DAS PEDRAS, GUARAPUAVA-PR / EVALUATING THE EFFECTIVENESS OF SEDIMENT CONTAINMENT BOXES IN NON PAVED ROADS IN THE STONES RIVER BASIN, GUARAPUAVA-PR
The layout of the roads that cross numerous rivers, added with lateral drainage causes the water to come quickly to the drainage network by increasing the flow. This results in high sediment yield considering that some internal roads and paths have no sinks of energy. Therefore this study aimed to examine and discuss the evaluation of containment boxes effec
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 01/01/2012
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2. MINERAÇÃO E DESENVOLVIMENTO SUSTENTÁVEL ESTUDO DE CASO: O GARIMPO DE OURO DE MONSENHOR HORTA EM MARIANA, MINAS GERAIS
The present dissertation deals with the sustainable development issue in the artisanal mining activity and objectives to evaluate the application of sustainable development concepts into this activity. Artisanal mining is characterized by individual work, or in cooperatives, which uses manual hand made and rudimentary, simple and mobile equipment to mine pre
Publicado em: 2006
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3. Novel method for studying plasmid transfer in undisturbed river epilithon.
A method for in situ mating experiments is described which involved overnight incorporation of donors containing the mercury resistance plasmid pQM1 and recipients into the epilithon on separate river stones. The stones were then joined to begin the mating. Transfer frequencies obtained were between 2.2 x 10(-1) and 2.5 x 10(-6) per recipient and appeared to
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4. Natural transformation in river epilithon.
Natural transformation was demonstrated in unenclosed experiments incubated in river epilithon. Strains of Acinetobacter calcoaceticus were transformed to prototrophy by either free DNA (lysates) or live donor cells. The sources of transforming DNA and recipient culture were immobilized on filters, secured to stones, and incubated midstream in the river. The
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5. Temporal and geographical distributions of epilithic sodium dodecyl sulfate-degrading bacteria in a polluted South Wales river.
Epilithic bacteria were isolated nonselectively from riverbed stones and examined by gel zymography for their ability to produce alkylsulfatase (AS) enzymes and thus to metabolize alkyl sulfate surfactants such as sodium dodecyl sulfate. The percentages of AS+ isolates from stone epilithon at five sites from the source to the river mouth were measured on fiv
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6. A pragmatist's approach to pathology costing: the Welsh Datatree project.
The Datatree costing project in Wales has provided the Welsh pathology laboratories with a standard costing package that allows pathologists to understand how their own laboratory's test costs are compiled. The software provides answers to the question "what if? ..." and shows instantly the effect of salary or consumable cost alterations. Resource management