Spilling
Mostrando 13-24 de 24 artigos, teses e dissertações.
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13. Mapeamento da sensibilidade ambiental ao impacto por óleo de um segmento da costa entre os estados do Rio Grande do Norte e Ceará utilizando imagens ETM+/LANDSAT 7 e geoprocessamento / Mapping of the coastal environmental sensitivity to oil spill between Rio Grande do Norte and Ceará states using Landsat 7/ETM+ images and geoprocessing
Acidentes com óleo no mar são freqüentes, causando diversos impactos ao ambiente e comunidades biológicas, além de prejuízos socioeconômicos. Mapas de sensibilidade ambiental ao derramamento de óleo são componentes indispensáveis dos planos de contingência e resposta emergencial à este tipo de acidente. Os mapas de sensibilidade trazem informaç�
Publicado em: 2003
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14. Modelagem e desenvolvimento de um banco de dados geográficos : aplicação à elaboração de mapas de sensibilidade ambiental ao derramamento de óleo na área costeira entre galinhos e São Bento do Norte-RN
The area between Galinhos and São Bento do Norte beaches, located in the northern coast of the Rio Grande do Norte State is submitted to intense and constant processes of littoral and aeolian transport, causing erosion, alterations in the sediments balance and modifications in the shoreline. Beyond these natural factors, the human interference is huge in th
Publicado em: 2002
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15. Detecção de manchas de óleo na superfície do mar por meio de técnicas de classificação textural de imagens de radar de de abertura sintética (Radarsat-1) / Oil spill detection at the sea surface by textural classification techniques of synthetic aperture radar images (Radarsat-1)
A procura por reservas de petróleo ao longo de plataformas continentais tem sido realizada, ao longo dos anos, em águas cada vez mais profundas, sendo que o petróleo cru e seus derivados são transportados por um número crescente de navios e oleodutos submarinos através dos oceanos. Como resultado destas atividades, o derramamento de óleo se mostra com
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 19/12/2000
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16. Detecção de manchas de óleo na superfície do mar por meio de técnicas de classificação textural de imagens de radar de de abertura sintética (Radarsat-1) / Oil spill detection at the sea surface by textural classification techniques of synthetic aperture radar images (Radarsat-1)
A procura por reservas de petróleo ao longo de plataformas continentais tem sido realizada, ao longo dos anos, em águas cada vez mais profundas, sendo que o petróleo cru e seus derivados são transportados por um número crescente de navios e oleodutos submarinos através dos oceanos. Como resultado destas atividades, o derramamento de óleo se mostra com
Publicado em: 2000
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17. Tratamento de efluente liquido da industria citrica por lodo ativado por batelada )LAB) : tratabilidade e microbiologia
The aim of this study, in pilot scale of laboratory, was to verify the applicability of the Activated Sludge Process (SRB) on the wastewaters treatment ofthe processing of citric fruits, as well as to determine the rnicrobiological characteristics ofthe sludge and to study the by-products formed for this wastewater. For this purpose two reactors were built i
Publicado em: 2000
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18. Detecção de manchas de óleo na superfície do mar por meio de técnicas de classificação textural de imagens de radar de de abertura sintética (Radarsat-1) / Oil spill detection at the sea surface by textural classification techniques of synthetic aperture radar images (Radarsat-1)
A procura por reservas de petróleo ao longo de plataformas continentais tem sido realizada, ao longo dos anos, em águas cada vez mais profundas, sendo que o petróleo cru e seus derivados são transportados por um número crescente de navios e oleodutos submarinos através dos oceanos. Como resultado destas atividades, o derramamento de óleo se mostra com
Publicado em: 2000
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19. Relationship between Intracellular Phosphate, Proton Motive Force, and Rate of Nongrowth Energy Dissipation (Energy Spilling) in Streptococcus bovis JB1
When the rate of glucose addition to nongrowing Streptococcus bovis cell suspensions was increased, the fermentation was homolactic, fructose-1,6-diphosphate (FDP) increased, intracellular inorganic phosphate (Pi) declined, and the energy-spilling rate increased. ATP and ADP were not significantly affected by glucose consumption rate, but the decrease in Pi
American Society for Microbiology.
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20. Energy-spilling reactions of Streptococcus bovis and resistance of its membrane to proton conductance.
Glucose-excess cultures of Streptococcus bovis consumed glucose faster than the amount that could be explained by growth or maintenance, and nongrowing chloramphenicol-treated cells had a rate of glucose consumption that was 10-fold greater than the maintenance rate. Because N,N-dicyclohexylcarbodiimide, an inhibitor of the membrane-bound F1F0 ATPase, elimin
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21. Energetics of bacterial growth: balance of anabolic and catabolic reactions.
Biomass formation represents one of the most basic aspects of bacterial metabolism. While there is an abundance of information concerning individual reactions that result in cell duplication, there has been surprisingly little information on the bioenergetics of growth. For many years, it was assumed that biomass production (anabolism) was proportional to th
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22. Hemofiltration, adsorption, sieving and the challenge of sepsis therapy design
Circulating inflammatory mediators spilling into the circulation from sites of active inflammation are considered the source of remote tissue injury and associated organ dysfunction in sepsis. Hemofiltration has been proposed as a therapy for sepsis based on its ability to remove circulating inflammatory mediators by sieving or by adsorption, or both. Design
BioMed Central.
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23. Phosphoenolpyruvate Synthetase from the Hyperthermophilic Archaeon Pyrococcus furiosus
Phosphoenolpyruvate synthetase (PpsA) was purified from the hyperthermophilic archaeon Pyrococcus furiosus. This enzyme catalyzes the conversion of pyruvate and ATP to phosphoenolpyruvate (PEP), AMP, and phosphate and is thought to function in gluconeogenesis. PpsA has a subunit molecular mass of 92 kDa and contains one calcium and one phosphorus atom per su
American Society for Microbiology.
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24. Stimulation of osmotic water flow in toad bladder by prostaglandin E1. Evidence for different compartments of cyclic AMP.
The effect of prostaglandin E1 (PGE1) on osmotic water flow across toad bladder and cyclic AMP content of the mucosal epithelial cells has been determined under basal conditions and in the presence of either theophylline or antidiuretic hormone (ADH); Under basal conditions and with PGE1 concentrations from 10(-8) to 10(-5) M no evidence of stimulation of wa