Aliquot
Mostrando 25-36 de 131 artigos, teses e dissertações.
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25. Resistance of human spermatozoa to cryoinjury in repeated cycles of thaw-refreezing
Objective: To study the resistance of human spermatozoa to cryoinjury in repeated cycles of thaw-refreezing by using the fast liquid nitrogen vapor method. Material and Methods: Semen specimens were obtained from sixteen normal and oligozoospermic individuals who required disposal at the sperm bank. Five of them had testicular cancer. Specimens were thawed a
International braz j urol. Publicado em: 2009-10
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26. Descrição espermática do sêmen de rã-pimenta (Leptodactylus labyrinthicus) / Description of semen of sperm-pepper frog (Leptodactylus labyrinthicus)
This study was developed at Ranário Experimental in Universidade Federal de Viçosa, Viçosa (MG) from April 6th, 2009 to June 7th, 2009, and aimed to assess the seminal characteristics and analyze the morphology of semen and sperm peppermint frog (Leptodactylus labyrinthicus). We collected eight male rã-pimenta, suitable for reproduction, in Viçosa, Caju
Publicado em: 2009
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27. Quaternary sedimentary evolution of Ilha Comprida, São Paulo state / Evolução sedimentar quaternária da Ilha Comprida, estado de São Paulo
A Ilha Comprida é a barreira arenosa mais extensa do litoral paulista. Possui 63 km de comprimento e 500 m a 5 km de largura, e estende-se acompanhando a linha de costa (orientação aproximada NE-SW) desde a desembocadura de Icapara até a de Cananéia. Esta barreira foi estudada com base em fotografias aéreas, parâmetros granulométricos, minerais pesad
Publicado em: 2009
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28. MACRÓFITAS AQUÁTICAS EM TRATAMENTO DE ÁGUAS CONTAMINADAS POR ARSÊNIO. / MACRÓFITAS AQUÁTICAS EM TRATAMENTO DE ÁGUAS CONTAMINADAS POR ARSÊNIO.
The pollution of waters for arsenic, and composites: organic, fosfatados and nitrogenados is one of the biggest problems of the modern world. The fitorremediação has been used, in the search of vegetal species with potential for the removal of these composites. In this intention, species of macrófitas had been placed in presence of Arsenio in nutritional
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 26/09/2008
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29. Controle de capitais, crescimento e bem-estar: uma análise baseada no modelo de Ramssey para uma pequena economia aberta e com restrição de crédito externo.
This dissertation investigates the impact of the control of capitals on the growth and welfare in a small open economy of one sector, subject to technological shocks and with limited access to the international capital market. The supply of capital is imperfect due to the risk aversion on the part of the international investors. The results of the model show
Publicado em: 2008
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30. Avaliação técnica e econômica do uso do soro de queijo de coalho na alimentação de suínos
The use of curd cheese whey in swine alimentation was evaluated through an metabolism experiment using eighteen barrows with an average live weight of 37,11,7 kg. Nine animals were allotted in an experimental randomized block design with three treatments and three repetitions in each one of the assays repeated in the time.The treatments had consisted a refer
Publicado em: 2008
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31. A alíquota tributária como norma de competência e de segurança jurídica / The tax aliquot as competency and legal security norm
Tomando o Direito como um conjunto de normas sistematizadas (coordenação e subordinação) e resguardando a importância do processo comunicacional para a sua análise, tentamos imprimir rigor científico para destacar a composição do direito positivo pelos planos de expressão (sistema dos enunciados legais) e de conteúdo (sistema das normas jurídicas
Publicado em: 2008
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32. Detection of Bacillus cereus in milk and evaluation of the germination of its spores to the ambient and refrigeration temperatures after process of boil / Detecção de Bacillus cereus em leite e avaliação da germinação de seus esporos à temperatura ambiente e sob refrigeração após processo de fervura
The microbiological analysis acts as basic tool for the attainment of data on the quality, health, hygiene and security in the food production, in such a way, she has been adopted in the nourishing industry for the quality control. For its complete and balanced composition, milk is an ideal substratum for the development of diverse groups of microorganisms.
Publicado em: 2008
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33. Efeito das proteinas do soro de leite sobre a colonização de Escherichia coli 0157:H7 na mucosa intestinal de camundongos Balb/C.
The effect of dietary whey protein concentrate on adhesion and colonization of enterohemorrhagic Escherichia coli O157:H7 in small intestine of Balb/C mice was available. Eight groups of the six females each one, had been separate and had randomly and received diet standard (AIN93G) (control group) and modified (AIN93 modified with addition from the fraction
Publicado em: 2008
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34. Estruturas tectônicas cenozóicas na porção leste da Bacia Potiguar - RN
This thesis encompasses the integration of geological, geophysical, and seismological data in the east part of the Potiguar basin, northeastern Brazil. The northeastern region is located in South American passive margin, which exhibits important areas that present neotectonic activity. The definition of the chronology of events, geometry of structures genera
Publicado em: 2008
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35. DESENVOLVIMENTO E VALIDAÇÃO DE MÉTODO PARA DETERMINAÇÃO DE ETILENOTIOURÉIA EM URINA EMPREGANDO HPLCUV / DEVELOPMENT AND VALIDATION METHOD FOR THE DETERMINATION OF ETHYLENETHIOUREA IN URINE BY HPLC-UV
In order to supply the world-wilde demand for food, it is essential to use the pesticides to protect the crops against pests and diseases. But the indiscriminate and injudicious use of these compounds have resulted in widespread contamination in food commodities and environment in all fields, increasing, this way, the preoccupation with chemical products use
Publicado em: 2008
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36. Aderência bacteriana e formação de biofilme aos fios de dermossustentação facial / Bacterial adherence and biofilm formation on facial lifting threads
Flabbiness and expression wrinkles can be helped by undergoing a face lifting or by implanting subcutaneous tissues of polyurethane or polypropylene threads. Under certain conditions microorganisms can attach themselves to the threads and interact with these surfaces initiating cellular growth. The goal of the present study was to evaluate bacterial attachme
Publicado em: 2008