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Search Results: 1 - 10 of 70074 matches for " Jairo Ant?nio da;Gabriel "
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Práticas aventureiras e situa??es de risco no voo livre: uma análise a partir do conceito de redoma sensorial
Paix?o, Jairo Antnio da;Costa, Vera Lucia de Menezes;Gabriel, Ronaldo Eugénio Cal?ada Dias;Kowalski, Marizabel;
Motriz: Revista de Educa??o Física , 2010, DOI: 10.5016/1980-6574.2010v16n3p672
Abstract: this study analyzes the risk situations in the practice of free flight through the concept of sensorial dome. the sample consisted of 19 (nineteen) practitioners of the paragliding, with the age middle was 31 (thirty one) years old and the arithmetic absolute media considered by researches was > < 0.05%. from the method of descriptive exploratory study was concluded that that the field of technology and use appropriate equipment, though not essential guarantee the success of these actors. in the major of time, the risky situations experienced in the adventure sport, join at a first moment a true outline of extraordinary sensorial elements. however, the daily experiences observed in a given kind can take to the banalization of those elements by the apprentice, becoming ordinary sensorial elements. such change can present implications in and for the practice of the adventure sport kinds in natural environment like, for instance, the apprentice's physical and emotional integrity.
Risco e aventura no esporte na percep??o do instrutor
Paix?o, Jairo Antnio da;Gabriel, Ronaldo Eugênio Cal?ada Dias;Tucher, Guilherme;Kowalski, Marizabel;Costa, Vera Lucia de Menezes;
Psicologia & Sociedade , 2011, DOI: 10.1590/S0102-71822011000200023
Abstract: this study analyzes the risk perceptions of adventure sports instructors. the sample consisted of 121 (one hundred and twenty-one) instructors of different types of adventure sport practiced in minas gerais, with a mean age of 31 (thirty-one) years. it was considered the standard deviation with significance >< 0,05%. the exploratory method was used in this study. data collection took place from a questionnaire, validated in accordance with the delphi technique, containing 15 items based on the theoretical literature. the results express that the risk perceived by the instructors is the most genuine risk-filled adventure of the sense of play. when considering procedures and recommendations that aim to predict, calculate and minimize the risk unexpected, it was found that the perception of risk by the instructors is due to an attitude which prevails in the domain of technique and quality equipment at the time these bodily practices close to nature.
Climate Characterization of the Machado-Mg Region through Geotechnology Techniques and Tools  [PDF]
Gustavo Souza Rodrigues, Antnio Carlos da Silva, Alisson Souza de Oliveira, Luís Roberto Almeida Gabriel Filho, Fernando Ferrari Putti
American Journal of Climate Change (AJCC) , 2018, DOI: 10.4236/ajcc.2018.71007
Abstract: The characteristics of a region and its environmental changes are directly associated with the characteristics of the climate and the changes that occur in it. The importance of the study of the climate of a region is widely known in agriculture, by the size of the impact that the climate has on the productivity and final quality of the products. From the studies of these spatial and temporal changes in climatic and environmental information, excellent results have been obtained in understanding the variability of atmospheric phenomena that occur throughout. The objective of the present work was to perform the climatic characterization of the Machado-MG region, analyzing data collected on the elements of the climate, applying methodologies that allow its spatialization, from geotechnology tools, more precisely, the techniques of interpolation and manipulation of spatial data in the Geographic Information Systems (GIS) environment. For this purpose, it has been used the climatic data obtained from meteorological stations of the National Institute of Meteorology-INMET, located in the state of Minas Gerais, referring to the monthly and annual averages of a historical series of 55 years (1961-2015). The results obtained allowed to characterize the climate of the municipality, which presented an average temperature around 15°C to 25°C and with average rainfall between 100 - 200 mm in the rainiest periods. The relative humidity of the air presents throughout the year values in the average of 60% to 80%. From the spatialization maps of temperature, precipitation and relative humidity of the air, it becomes possible to analyze the spatial behavior of the climatic elements and thus to have the perception of the climate dynamics in the region.
Climatological Hydric Balance and the Trends Analysis Climatic in the Region of Machado in Minas Gerais State, Brazil  [PDF]
Gustavo Souza Rodrigues, Fernando Ferrari Putti, Antnio Carlos da Silva, Alisson Souza de Oliveira, Luís Roberto Almeida Gabriel Filho
American Journal of Climate Change (AJCC) , 2018, DOI: 10.4236/ajcc.2018.74034
Abstract: Lately the planet’s climate has been constantly changing, caused mainly by global warming which has exposed a great deal of concern to the population over the years. In order to understand the possible impacts that such changes may have on the environment and society in general, the importance of the analysis of climate and hydrological events trends and their performance in a region is justified. The objective of the present work was to perform the climatic classification and to evaluate the behavior of the Climatological Hydric Balance—CHB, from the region of Machado state of Minas Gerais—MG, taking into account a historical series of 55 years of climatic season data of the National Institute of Meteorology—INMET; to verify the occurrence of climatic changes by the temporal trends of precipitation and the average temperature, using the Mann-Kendall and Pettitt method; and the influence of these possible climate changes on CHB behavior and on the region’s climate classification. Based on the results found it verified the increase in the water deficit between the months of June to September and a reduction in the water surplus from November to February. By means of the trend analysis, there was a positive trend of increase in the average temperature of 1.6°C until the year 2100. The continuity and occurrence of these trends may have impacts on the economy, agriculture, the hydrological cycle, and consequently on the fauna, the flora and the population.
Comportamento da sutura palatina mediana em crian?as submetidas à expans?o rápida da maxila: avalia??o mediante imagem de tomografia computadorizada
Silva Filho, Omar Gabriel da;Lara, Tulio Silva;Silva, Helena Cristina da;Bertoz, Francisco Antnio;
Revista Dental Press de Ortodontia e Ortopedia Facial , 2007, DOI: 10.1590/S1415-54192007000300010
Abstract: aim: the aim of this prospective study was to evaluate the midpalatal suture in children submitted to rapid palatal expansion with computerized tomography. methods: the sample was comprised of 17 children aged between 5 years and 2 months and 10 years and 5 months, that were submited to rapid palatal expansion. the radiologic aspect of the sutures were evaluated through computerized tomography. resuls and conclusions: the tomographic images showed that, after the retention phase (8 to 9 months post-expansion), the midpalatal suture was completely ossified from the anterior to the posterior nasal spine region.
Influência do lantanio nas propriedades elétricas do titanato de bário obtido por síntese hidrotérmica
Pereira, Renato Alves;Mendes Filho, Antnio Alves;Araújo, Fernando Gabriel da Silva;
Rem: Revista Escola de Minas , 2006, DOI: 10.1590/S0370-44672006000200010
Abstract: barium titanate powders were produced by hydrothermal synthesis, at 220oc, for 20 hours, in stoichiometric composition and doped with lantanum varying from 0.2 to 1.0mol%.the powders were characterized by x-ray diffraction and then pressed at 3,000 kgf to form discs. the discs were sinterized on air at 1250oc for 5 hours and characterized by x-ray diffraction, scanning electron microscopy and complex impedanciometry
Crescimento facial espontaneo Padr?o II: estudo cefalométrico longitudinal
Silva Filho, Omar Gabriel da;Bertoz, Francisco Antnio;Capelozza Filho, Leopoldino;Almada, Eduardo César;
Revista Dental Press de Ortodontia e Ortopedia Facial , 2009, DOI: 10.1590/S1415-54192009000100005
Abstract: aim: the current longitudinal cephalometric study investigated the spontaneous alterations in growing class ii, division 1, pattern ii patients. methods: forty children (twenty boys and twenty girls) with ages ranging between 6 and 14 years were selected to comprise the sample. the behavior of the apical bases, incisors and facial profile was evaluated on the basis of the following cephalometric measurements: sn.ba, sna, snb, snd, sn.pog, anb, nap, sn.gogn, sn.pp, sn.gn, ar.go.gn, 1.pp, 1.na, 1.sn, impa and nasolabial angle. the following measurements were statistically significant along growth: snb, snd, sn.pog, anb, nap, sn.gogn, sn.gn, ar.go.gn and impa. results: the results showed that the main quantitative alterations were related to mandibular growth, regardless of gender. the mandible was anteriorly displaced and tended to present a counter-clockwise rotation and consequent decrease in the facial convexity angles. however, the quantitative changes in the cephalometric measurements were not sufficient to change the dentofacial morphology during the follow-up period. conclusion: therefore, facial morphology seems to be defined early and does not change along growth.
Aduba??o verde e altera??es nas características químicas de um Cambissolo na regi?o de Ji-Paraná-RO
Delarmelinda, Elaine Almeida;Sampaio, Fernando Antnio Rebou?as;Dias, Jairo Rafael Machado;Tavella, Leonardo Barreto;Silva, Jussie Solino da;
Acta Amazonica , 2010, DOI: 10.1590/S0044-59672010000300024
Abstract: the green manure promotes benefits on the chemical, physical and biological properties of soil. the experiment evaluated the effect of incorporation of differents green manure on the chemistry characteristics of a soil. experimental design used was a randomized block, with eight treatments and three replications. treatments were: calopogonium mucunoides, crotalaria juncea, crotalaria spectabilis, cajanus cajan, macrotyloma axillare, mucuna pruriens and pueraria phaseoloides and the treatment control (without leguminous)). evaluations of soil samplings were performed in 60 days after handling were performed. the results showed significant effects of the leguminous crop pueraria phaseoloides, c. juncea and c. spectabilis on the fertility of the soil, with significant increments of organic matter, exchangeable bases and in the base saturation.
Sistema com aera??o, decanta??o e filtragem para a melhoria da qualidade de água em irriga??o localizada
Lemos Filho, Marco A. F.;Zanini, José R.;Silva, Elcides R. S. da;Cazetta, Jairo O.;Ferraudo, Antnio S.;
Engenharia Agrícola , 2011, DOI: 10.1590/S0100-69162011000300011
Abstract: water quality is very important to drip irrigation, as it flows in small diameter holes, and may cause obstruction due to deposition of solid matter. whence the water must be evaluated before installation of the project. parameters related to water quality are essential to define conducting measures to avoid the risk of clogging the system. this study aimed to evaluate a system with sprinklers aeration on bedrock, for fe+2and mn total precipitation in sedimentation tank and a set of filtering consisting of three sand filters and a disk, installed in drip irrigation system. the study was conducted at alvorada farm, in the municipality of nova granada - sp, brazil, from march to october of 2008, when the physical and chemical water analyses were made. it was concluded that: the aeration system, sedimentation and filtration were efficient for improving water quality, reducing the levels of risk of severe to medium obstruction and medium to low obstruction. the variables, dissolved oxygen, electrical conductivity; ph, fe+2and fe+3 were not significant to indicate differences of water quality among the points of the water treatment. however, the variables such as: turbidity, dissolved solids, suspended solids, total iron and mn+2 were statistically significant for the differentiation of the water quality.
Efectos crónicos de un programa regular de natación. Sobre la tensión arterial de adultos hipertensos. Swimming chronic effects on the blood pressure. In hypertensive adults.
Eleotério da Silva, Jairo,Gomes de Souza Vale, Rodrigo,Martin Dantas, Estélio Henrique,Natali , Antnio José
RICYDE : Revista Internacional de Ciencias del Deporte , 2006,
Abstract: Resumen El propósito de este trabajo fue verificar los efectos crónicos de un programa regular de natación sobre la tensión arterial de adultos hipertensos. La muestra ha sido compuesta por 28 personas con hipertensión leve y moderada separados en dos grupos: Grupo Experimental (GE 11 mujeres y 3 hombres) y Grupo Control (GC 8 hombres y 6 mujeres) con edades 42,29 ± 8,72, y 42,15 ± 9,72 a os respectivamente. Aquellos pertenecientes al grupo experimental, participaron de un programa regular de natación durante 10 semanas, mientras el grupo control permaneció sin practicar actividad física en ese período. El procedimiento estadístico utilizado fue el Teste-t de Student, para verificar las diferencias entre los promedios antes y después de diez semanas del programa regular de natación. El estudio admitió el nivel de p < 0,05 para la significante estadística. Los resultados permitieron concluir que el Grupo Experimental presentó diferencias estadísticamente significativas en las variables analizadas cuando comparadas con el Grupo Control. Hubo una reducción significativa en reposo en la PAS de 146,36±4,77 para 132,31±9,93 y en la PAD de 88,7±9,92 para 76,2 ± 8,84. Los resultados nos permiten concluir que un programa regular de natación provoca reducciones significativas en reposo en la tensión arterial de adultos hipertensos.Abstract The purpose of this work was to verify the chronic effects of a regular swimming program on hypertensive adults’ pressoric levels. The sample was constituted of 28 individuals that presented light and moderated hypertension, who were divided into two groups: Experimental (11 women and 3 men) and Control (8 men and 6 women), with 42,29 ± 8,72 and 42.15 ± 9.72 years old, respectively. The subjects of Experimental group have engaged into a regular swimming program for 10 weeks, while the Control group did not practice any physical activity for the period. It was used the Student t-Test as statistical procedure, in order to analyze the differences between the average indexes recorded before and after the 10-weeks regular swimming program. The study admitted a level of p < 0.05 for statistical significance. The results led to the conclusion that Experimental group presented significant statistical difference for the analyzed variables when compared to Control group. There was an important reduction of SBP, in rest, from 146,36 ± 4,77 to 132,31 ± 9,93 and in DBP de 88,7 ± 9,92 to 76,2 ± 8,84 mmHg. The results allow us to conclude that a regular swimming program leads to a significant decrease in the blood pressure of hypertensive adu
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