993 resultados para Mound-builders


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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Música - IA

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The purpose of the expert group meeting was to bring together modelling practitioners to share experiences and to reflect on how to overcome new and old challenges to model building in the Caribbean. As part of the rationale for such a meeting, it was argued that since a major objective of policymaking in the Caribbean was to create the conditions for growth with equity while reducing vulnerability to economic and environmental shocks, model builders must develop strategies to properly address those questions in a unified way. It was further suggested that those goals, though straightforward, required a concentrated technical effort to clarify and update understanding of the workings of Caribbean economies. The emphasis on addressing issues of growth, equity and vulnerability was urgent because Caribbean economies were at a crossroads, with major challenges to the foundations and premises on which the economies had been built.

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The purpose of the expert group meeting was to bring together modelling practitioners to share experiences and to reflect on how to overcome new and old challenges to model building in the Caribbean. As part of the rationale for such a meeting, it was argued that since a major objective of policymaking in the Caribbean was to create the conditions for growth with equity while reducing vulnerability to economic and environmental shocks, model builders must develop strategies to properly address those questions in a unified way. It was further suggested that those goals, though straightforward, required a concentrated technical effort to clarify and update understanding of the workings of Caribbean economies. The emphasis on addressing issues of growth, equity and vulnerability was urgent because Caribbean economies were at a crossroads, with major challenges to the foundations and premises on which the economies had been built.

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Os ninhos de saúva são importantes perturbações naturais capazes de gerar mosaicos de determinados tipos de vegetação e afetar a estrutura e composição dos ecossistemas neotropicais. Nesse sentido, este estudo avaliou os efeitos dos ninhos de saúva (Atta spp.) na dinâmica de crescimento da vegetação de uma floresta de transição Amazônia-Cerrado submetida a um regime de incêndios periódicos, ao sul da bacia amazônica, Estado do Mato Grosso, Brasil. Especificamente, avaliou-se os efeitos dos ninhos: (1) na nutrição e crescimento da vegetação; (2) na proteção da vegetação contra o fogo e (3) na regeneração florestal pós-fogo. Para determinar tais efeitos, ninhos e vegetação associada (em um raio de até 10 m dos ninhos) estabelecidos em áreas de 150 ha da floresta de transição, foram mapeados e monitorados. Tais áreas subdivididas em parcelas de 50 ha com diferentes tratamentos: incêndios tri-anuais; incêndios anuais e proteção do fogo (controle) fazem parte do Projeto “Savanização” sob a coordenação do Instituto de Pesquisas Ambiental da Amazônia, IPAM. Os experimentos sobre os efeitos dos ninhos na nutrição e crescimento da vegetação indicaram que plantas estabelecidas próximas aos ninhos têm a absorção de nutriente facilitada e por isso apresentaram uma maior concentração foliar de Fósforo. Como conseqüência, foi registrado um maior crescimento em diâmetro do caule para estas plantas quando comparadas com aquelas distantes dos ninhos. Os ninhos funcionaram como aceiros (devido ao acúmulo de terra sobre os murundus resultante das escavações das saúvas) reduzindo a área total queimada em seu entorno, principalmente nos locais de bordas (local de maior incidência de ninhos) e protegendo a vegetação circundante da mortalidade pelo fogo. Em oposição a estes benefícios, foi constatado maior herbivoria de plântulas e remoção de sementes por saúvas nas áreas de alta densidade de colônias ativas, um resultado que compromete os estágios iniciais de sucessão florestal pós-fogo. Este estudo revela a importância das saúvas na redistribuição e reciclagem de nutrientes, e revela, pela primeira vez, a proteção da vegetação contra o fogo, por seus ninhos. Por outro lado, também mostra que perturbações antrópicas, como o fogo, aumentam as populações de saúva, o que pode tornar-se uma barreira ao sucesso da regeneração florestal pós-fogo. Com base nesse estudo, pode-se prever que ambientes naturais podem ter o crescimento da vegetação acelerado pela presença dos ninhos de saúva, mas em ambientes sob perturbação, a ação das saúvas pode ser a principal ameaça a regeneração da vegetação original. Desta forma, pode-se concluir que os efeitos (benéficos ou deletérios) das saúvas dependem do nível de perturbação ou maturidade do bioma no qual seus ninhos se estabelecem.

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Pós-graduação em Agronomia (Proteção de Plantas) - FCA

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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The quality in construction is increasingly a concern in this sector, in view of the occurrence of problems in civil works, even when a contractor is certified by ISO 9001. The ISO 9001 certification does not ensure the maintenance of quality because it only establishes the requirements for a quality management system (QMS) to ensure standardization of processes and products. With the development of ISO 15575, standard performance, the builders took on a quality parameter with the requirements established by this Standard, which must be met. Thus, the implementation of a quality management system (QMS) becomes essential, showing users the concern for quality. This study aimed to verify, through a case study, the impact of NBR 15575 quality construction and how that standard of performance may be the key element of ISO 9001 to ensure quality maintenance of civil works

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The quality control is of great importance for the development of any organization, mainly for providing an assurance of delivering high quality services and goods for the consumers. Quality can be defined by the word „change‟, for the company which intends to implement a quality control system must be open to changes. This can be noticed from the JURAN concept (1992 In SILVEIRA ET AL., 2002): “Quality is to fit for usage”, i.e., depending on the goal, the situation and the consumer, quality is seen in different ways, since each one has different wishes and opinions. Taking in to account the availability of means such as norms, theories and tools, that contribute for an efficient quality management system, this discrepancy of opinions and the lack of objectivity of this concept can be solved, since through the analyzes of these means one can set quality standards, i.e., market references which fulfill both consumers and builders demands. Thus, the quality concept ceases to be something so abstract, non-measurable, to become a more objective concept. Finally, the goal of this work is to analyze the quality concept through bibliographic studies and possible consumers‟ enquires, aiming at the building industry, and show how the quality, often taken as something abstract, can be a measurable and objective concept, that benefits both the consumer as well as the enterprise of this branch

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In Brazil , the construction industry is on an upward trend, mainly by the housing shortage , and yet there are few builders that take a Quality Management System ( QMS ) to improve the quality of its services and processes . The ISO 9001 standards are guidelines for an effective QMS and this certificate is recognized worldwide as a seal of quality standard. This paper will describe and analyze the implementation of a QMS in a small construction company of Guaratinguetá - SP, identifying best practices and major difficulties , besides proposing preparatory recommendations for other companies that seek the ISO 9000 certification. Access to company’s data made the nonconformities and the customer satisfaction research analysis possible, and a questionnaire and unstructured interviews allowed a deeper understanding of the situation. Despite this ISO 9000 QMS not being fully implemented, the company has already conquered some improvements in document control, project planning, process traceability and established focus on customer

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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The alimentation of fitness people is fundamental by health. This study it has for objective to evaluate of quali-quantitative form the proteic-caloric ingestion, the nitrogen balance and its relation caloric ingestion/estimated metabolic rate, in colleges student practicing of body-building. Eleven body-builders student (18 until 30 years old), both sex, had been analyzed. The attainment of data used an alimentary register, and the gotten information were analyzed together with the nitrogen balance from 24 hours of piss collection. We observed that the nitrogen balance of individuals that make use of some protein supplement is significantly bigger than individuals that do not consume no type of it. This because, the percentile caloric obtained from protein ingestion is significantly raised, and this associate to the caloric ingestion in this group also is raised, determines the obtained results.