133 resultados para Reacción heterogénea


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This paper aims to study the proposal of ecological corridors as integration solution spaces that present fragmentation of vegetation. The geographic space is composed of physical and human characteristics and interrelation between the different variables result in different landscapes. The landscape ecology provides an understanding of the heterogeneous landscape, which combines the space and ecosystem components. The spatial fragmentation of vegetation and is often the result of a number of factors. This new landscape composition presents different forms of economic exploitation of the soil (agriculture, pasture). The corridors are considered optional connection of plant debris, providing greater flow of species of fauna and flora reconstituting somehow Ecosystem site. The research aims to propose the restoration of an area devoid of natural plant its constitution, becoming restoration tool in a particular area of vegetation fragmented

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The present monograph is a historical research of one of the brazilian newspapers in a journalistic heterogeneous effervescence, referring to the proliferation of vehicles on alternative libertarians of the 60/70. The project gives visibility to the Rolling Stone newspaper as the document that disproved their own relevancy in the viability of the music production and counterculture inspired by North America, developing the repercussion of the new behavior of young flower power in the country. The personality of those who were in the journalistic team, the production schema, editorial and proposed tariffs would be in total congruency with the countercultural movement

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La Encefalopatía Espongiforme Bovina (EEB) es una enfermedad degenerativa mortal y transmisible del sistema nervioso central del ganado, con largo período de incubación y clínicamente se caracteriza por sintomas nerviosos, la reacción exagerada a los estímulos externos y dificultad locomoción. La EEB es una enfermedad del grupo de las Encefalopatías Espongiformes Transmisibles (EET), y consiste en una enfermedad zoonótica transmitida por comer alimentos contaminados con una proteína llamada príon. Se discute el control de enfermedades, celebrada en la carne de vacuno refrigerada masacre a través de las Material Especificado de Riesgo (MER) que son el cerebro, cráneo, ojos, amígdalas, médula espinal, gânglio del trigémino, gânglios de la raiz dorsal y el íleon distal. Estos organismos pueden contener el agente de la EEB y transmitir la enfermedad. Los controles se basan en la ley brasileña y las normas internacionales que dictan la recogida y destrucción de estos materiales, sino también las normas para la comercialización de productos procedentes de rumiantes, así como la prohibición de alimentar rumiantes com productos de origen animal

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Based on a heterogeneous concept of writing, this paper aims at analyzing ‘breaks’ in utterances of a virtual chat for writers between 8 and 12 years of age. The hypothesis is that the segmentation of an utterance in different lines in a short period of time characterizes the writing on the internet as nonconventional and relates it to the prosody and rhythm of the language not restricted to the phonic or graphic dimension of the verbal language.

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Chronic osteomyelitis with proliferative periostitis is a kind of osteomyelitis that is characterized by a great periosteal reaction resulting of low grade stimulation, usually a caries lesion associated a periapical pathology. It affects especially children and young adults, with the mandible as the most common site, usually in the inferior aspect. Clinically presents as a painless hard swelling intra and/or extra-oral. Radiographic aspects include bone layers new formed, parallel to each other and to the underlying cortical surface, giving the characteristic appearance of "onion skin". Treatment includes elimination of the cause, with or without antibiotics, being restored the facial symmetry of patient. The present article is a clinical case report of chronic osteomyelitis with proliferative periostitis affecting a female 11 year old patient, caused by a caries lesion in the left permanent first molar, that was submissed to a exodontia and the facial symmetry of the patient was restored with management.

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The aim of this study was to evaluate the biological behavior of the root canal filling sealers: Endofill, Endomethasone and Sealer 26 when in contact with the subcutaneous connective tissue of rat. For the study one control and three experimental groups were used. A total of 15 animals were divided into 5 for each period: 7, 21, and 60 days. The obtained histological sections were processed and stained using the hematoxiline & eosine technique. The histological sections were subjective and comparatively analyzed using optic microscopy. The intensity of the inflammatory reaction and the level of fibrosis of the tissue were registered. The results were registered in scores and statistical analysis by KRUSKAL-WALLIS p<0,05 and MILLER methods. The statistical analysis revealed that in the period of 60 days, there was statistical significance to group II (Endofill) between group (control) and III (Endomethasone) with mononuclear cells into connective tissue. All materials promoted inflammatory reaction more intense at 7 and 21 days with the Endomethasone showing the best results.

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Pós-graduação em História - FCHS

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Pós-graduação em Medicina Veterinária - FCAV

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Food contamination caused by enteric pathogens is a major cause of diarrheal disease worldwide, resulting in high morbidity and mortality and significant economic losses. Bacteria are important agents of foodborne diseases, particularly diarrheagenic Escherichia coli. The present study assessed the genetic diversity and antimicrobial resistance of E. coli isolates from pasteurized milk processed in 21 dairies in northwestern State of Parana, Brazil. The 95 E. coli isolates were subjected to antimicrobial susceptibility testing according to the recommendations of the Clinical and Laboratory Standards Institute and assessed genotypically by Enterobacterial Repetitive Intergenic Consensus-Polymerase Chain Reaction (ERIC-PCR). The highest rate of resistance was observed for cephalothin (55.78%). ERIC-PCR revealed high genetic diversity, clustering the 95 bacterial isolates into 90 different genotypic patterns. These results showed a heterogeneous population of E. coli in milk samples produced in the northwestern region of Parana and the need for good manufacturing practices throughout the processing of pasteurized milk to reduce the risk of foodborne illnesses.