978 resultados para Color (blanco, rojo, verde)


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Seleccionado en la convocatoria: Ayudas a la innovación e investigación educativa en centros docentes de niveles no universitarios, Gobierno de Aragón 2008-09

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El presente cuento fue galardonado con el Premi Ciutat d'Eivissa de narrativa infantil 1993

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Resumen basado en el de la publicación

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Esta investigación ha sido financiada en el contexto del proyecto: factores cognitivos en el razonamiento racista

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Resumen tomado de la publicación

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El formato repetitivo está diseñado para ayudar a los niños a aprender los nombres de los colores y de los animales. Las ilustraciones collage a doble página, cuentan con un oso pardo, un pájaro rojo, un pato amarillo, un caballo azul, una rana verde, un gato morado, un perro blanco y una oveja negra, que invitan a descubrir la criatura que mostrarán a continuación. Imágenes identificables y repetición rítmica de preguntas y respuesta del texto es el patrón se repite una y otra vez, hasta que el pre-lector puede predecir fácilmente la siguiente rima. Una cosa que los lectores tal vez no pueden predecir, sin embargo, es el tipo de personaje que hará su aparición en el desenlace. Para lectura interactiva en voz alta entre el profesor y los alumnos y para lectura compartida.

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El formato repetitivo está diseñado para ayudar a los niños a aprender los nombres de los colores y de los animales. Las ilustraciones collage a doble página, cuentan con un oso pardo, un pájaro rojo, un pato amarillo, un caballo azul, una rana verde, un gato morado, un perro blanco y una oveja negra, que invitan a descubrir la criatura que mostrarán a continuación. Imágenes identificables y repetición rítmica de preguntas y respuesta del texto es el patrón se repite una y otra vez, hasta que el pre-lector puede predecir fácilmente la siguiente rima. Una cosa que los lectores tal vez no pueden predecir, sin embargo, es el tipo de personaje que hará su aparición en el desenlace. Para lectura interactiva en voz alta entre el profesor y los alumnos y para lectura compartida.

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The green bean has organoleptic and nutritional characteristics that make it an important food source in tropical regions such as the Northeast of Brazil. It is a cheap source of protein and important for nutrition of rural population contributing significantly in subsistence farming of the families from Brazil s northeast. It is consumed in entire region and together with the dry meat and other products composes the menu of typical restaurants, being characterized as an important product for economy of Northeast. The green bean is consumed freshly harvested and has short cycle, being characterized as a very perishable food, which hampers your market. The drying method is an alternative to increase the lifetime and provide a reduction volume of this product making easier your transportation and storage. However is necessary to search ways of drying which keep the product quality not only from the nutritional standpoint but also organoleptic. Some characteristics may change with the drying process such as the coloring, the rehydration capacity and the grains cooking time. The decrease of drying time or of exposure of the grains to high temperature minimizes the effects related with the product quality loss. Among the techniques used to reduce the drying time and improve some characteristics of the product, stands out the osmotic dehydration, widely used in combined processes such as the pretreatment in drying food. Currently the use of the microwaves has been considered an alternative for drying food. The microwave energy generates heat inside of materials processed and the heating is practically instantaneous, resulting in shorter processing times and product quality higher to that obtained by conventional methods. Considering the importance of the green beans for the Northeast region, the wastefulness of production due to seasonality of the crop and your high perishability, the proposal of this thesis is the study of drying grain by microwaves with and without osmotic pretreatment, focusing on the search of conditions of processes which favor the rehydration of the product preserving your organoleptic characteristics. Based on the analysis of the results of osmotic dehydration and dielectric properties was defined the operating condition to be used in pretreatment of the green bean, with osmotic concentration in saline solution containing 12,5% of sodium chloride, at 40°C for 20 minutes. The drying of green bean by microwave was performed with and without osmotic pretreatment on the optimized condition. The osmotic predehydration favored the additional drying, reducing the process time. The rehydration of dehydrated green bean with and without osmotic pretreatment was accomplished in different temperature conditions and immersion time according to a factorial design 22, with 3 repetitions at the central point. According to results the better condition was obtained with the osmotically pretreated bean and rehydrated at a temperature of 60°C for 90 minutes. Sensory analysis was performed comparing the sample of the green bean in natura and rehydrated in optimized conditions, with and without osmotic pretreatment. All samples showed a good acceptance rate regarding the analyzed attributes (appearance, texture, color, odor and taste), with all values above 70%. Is possible conclude that the drying of green bean by microwave with osmotic pretreatment is feasible both in respect to technical aspects and rehydration rates and sensory quality of the product

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In the urban areas of the cities a larger problem of destiny of effluents of the treatment stations is verified due to the junction of the sewages in great volumes. This way the hidroponic cultive becomes important, for your intensive characteristic, as alternative of reuse. This work presents as objective the improvement of the relation hidric-nutritious of the hidroponic cultive of green forage (FVH) using treaty sewage. The production of forage was with corn (Zea mays L.), using double hybrid AG1051, in the experimental field of the Federal University of Rio Grande do Norte (UFRN), in the city of Natal-RN-Brazil. The treated effluent essentially domestic had origin of anaerobic reactor, type decant-digester of two cameras in series followed by anaerobic filters drowned. The hidroponic experimental system was composed of 08 stonemasons, with limited contours for masonry of drained ceramic brick, measuring each one 2,5 meters in length for 1,0 meter of width, with inclination of 4% (m/m) in the longitudinal sense, leveled carefully, in way to not to allow preferential roads in the flow. These dimensions, the useful area of Isow was of 2 square meters. The stonemasons of cultive were waterproof (found and lateral) with plastic canvas of 200 micres of thickness, in the white color. Controlled the entrance and exit of the effluente in the stonemasons, with cycles of 12,68 minutes, it being water of 1,18 minutes. The treatments were constituted of: T1 - 24 hours/day under it waters with flow of 2 L/min; T2 - 12 hours/day under waters with flow of 4 L/min; T3 - 12 hours/day under waters with flow of 2 L/min; and T4 - 16 hours/day under waters with flow of 3 L/min. There were evaluations of the evapotranspirometric demand, of hidroponic system affluent and effluent seeking to characterize and to monitor physical-chemical parameters as: pH, temperature, Electric Conductivity and Fecal Coliforms. This last one was analyzed to the 11 days after isow (DAS) and to the 14 DAS. The others were analyzed daily. I sow it was accomplished in the dates of February 21, 2007, first experiment, and April 10, 2007, second experiment. The density of Isow was of 2 kg of seeds, germinated before 48 hours, for square meter of stonemason. The statistic delineament was it casual entirely with two repetitions, in two experiments. It was applied Tukey test of average to five percent of probability. The cultivation cycle was of 14 DAS with evapotranspirometric demand maximum, reached by T1, of 67,44 mm/day. The analyzed parameters, as mass of green matter - Kg, productivity-Kg/m2 and reason of production of seed FVH/Kg used in Isow, the best result was presented by T1, obtaining value of up to 19,01 Kg/m2 of cultive. Without significant difference, the T4 presented greats values with 16 hours under cycle of water. The Treatments 2 and 3 with 12 hours under cycle of water, they obtained inferior results to the other Treatments. As treatment system, came efficient in the reduction of the salinity. T1 obtained reduction medium maxim of 62,5%, to the 7 DAS, in the amount of salts that enter in the system in they are absorbed in the cultivation. The cultivation FVH acted reducing the microbiologic load. Significant percentile of reduction they were reached, with up to 90,23% of reduction of Units of Colonies (UFC), constituting, like this, the Hidroponic System as good alternative of treatment of effluents of Reactors of high Efficiency

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Este artigo traz os primeiros resultados sobre a resposta ao estresse em jundiá (Rhamdia quelen) expostos a diferentes cores de luz. O jundiá é uma espécie para produção no sul da América do Sul - sendo assim apta a cultivo em qualquer região de clima temperado e subtropical. Com o objetivo de desenvolver um manejo de luz para o jundiá durante sua manutenção em tanques internos e de entender a relação entre as cores de luz e o bem-estar da espécie, alevinos foram exposto por 10 dias à luz branca, azul e verde. No 10° dia de exposição às diferentes cores de luz, um estressor agudo foi imposto. Uma hora após a aplicação do estressor, os peixes foram amostrados e a resposta ao estresse medida por meio da determinação da concentração sérica de cortisol. Nossos resultados mostraram que a luz verde parece ser a pior alternativa para iluminar instalações internas ou de transporte de jundiás. Os resultados também sugerem que a cor da luz afeta a resposta ao estresse dos jundiás, conhecimento que pode ser útil no manejo da espécie.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em História - FCLAS

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Agronomia (Energia na Agricultura) - FCA