bluuebunny/crossref_metadata_2025 huggingface dataset:
Spatial variability of precompression stress and volumetric water content of a red-yellow latosol (Oxisol)
Authors: Kamimura Karina Marie , Dias Júnior Moacir de Souza , Oliveira Marcelo Silva de , Santos Gérson Rodrigues dos , Guimarães Paulo Tácito Gontijo , Ajayi Ayodele Ebenezer
Published: December 2019

The intensive agricultural machinery traffic to which soils under coffee crops are exposed may cause significant changes in soil structure. The goals of this study were to: a) characterize the spatial variability of precompression stress (σp) and volumetric water content (θ) of a Red-Yellow Latosol (Oxisol) and determine their spatially dependent structures using ordinary kriging semivariograms; b) using this date to construct a load-bearing capacity (LBC) map for the site, identifying the depth with higher ; and c) use the map as a decision support tool regarding agricultural machinery logistic management in coffee plantations. The research was conducted on an experimental farm of the Agricultural Research Company of Minas Gerais (Epamig), Patrocinio, MG, on a clayey Oxisol. Samples were collected from 2.0 × 1.5 m sampling pits at intersections of a rectangular 40 × 150 m grid, totaling 28 sampling points. The soil samples were collected with metal rings (0.0254 m in height and 0.0630 m in diameter) using an Uhland sampler. Sampling at each pit was at 3 layers: 0.00–0.03 m, 0.10–0.13 m, and 0.25–0.28 m, and seven samples arranged in a matrix form were collected at each layer, totaling 588 samples. The σp and θ showed a spatially dependent structure. The depth of 0.00–0.03 m showed higher LBC, indicating that this depth was more compacted compared to other depths. Based on the σp maps, the tractor and the combine should not traffic into the areas at water content of 0.45 m3 m-3, because the soil has a LBC of 200 kPa. If this condition is not respected, additional compaction will occur. Tractor traffic is permissible when the water content reaches values less than 0.36 m3 m-3, whereas for combine traffic, the water content values must be less than 0.30 m3 m-3.
Does soaking time during disinfestation affect germination rates in Dendrobium?
Authors: José Carlos Sorgato  , Schultz Soares Jackeline , Scalon Silvana de Paula Quintão , Targanski Sajovic Pereira Suzana , De Freitas Brotto Débora , Marlon Ribeiro Luan
Published: December 2019

Asymbiotic germination is considered an efficient and viable technique that can increase germination rates. The effect of type and concentration of disinfestants, and the exposure time to disinfestants may differ according to the plant species. Therefore, species-specific standardization of disinfestation agent and procedure is necessary to achieve optimal germination rates. The objective of this study was to determine a disinfestation methodology to increase in vitro germination rates and the early development of seedlings of Dendrobium nobile and Dendrobium phalaenopsis, using different times for seed disinfestation and different culture media. Seeds were disinfected by soaking in a 0.8% sodium hypochlorite solution for 5 or 15 min under aseptic conditions, after which seed suspensions were either washed with water or left unwashed. Next, they were seeded in culture flasks containing four different culture media (MS, ½MS, K, and VW). The flasks were then transferred to a growth room under controlled photoperiod and temperature, where they remained under an irradiance of 20 μmol m-2 s-1. Germination rates of the species were evaluated 45 days after placement in the culture flasks. A higher germination rate was observed when the seeds were triple washed, regardless of the culture medium or soaking time. Seed soaking disinfestation for 5 min is also recommended. MS and ½MS media were the most effective culture media in promoting in vitro germination of the species under study.
Accuracy of air temperature forecasts and its use for prediction of the reference evapotranspiration
Authors: Silva Claudio Ricardo da , Lucas Andrade Barbosa  , Finzi Rafael Resende , Riberio Bruno Teixeira , Dias Nildo da Silva
Published: December 2019

The objective of this study was to verify the quality of the short-term forecasts made by some web sites, as well as the potential of its use in estimating reference evapotranspiration (ETo). For the period 2012-2013, every 4-days, the maximum (Tmax) and minimum (Tmin) air temperature forecasts for horizons of 24, 48, 72 and 96 hours provided by public sites for Uberlandia-MG were collected and used for calculating the reference evapotranspiration (ETo) by the Hargreaves-Samani (HS) calibrated equation. The sites www.accuweather.com (WEATHER); www.cemig.com.br (CEMIG); jornaldotempo.uol.com.br; (JORNAL) and www.climatempo.com.br (CLIMA) were evaluated. For the same period, the meteorological data were taken at the National Institute of Meteorology (www.inmet.gov.br). The performance of the Tmax and Tmin forecasts as well as the ETo estimates were made by regression analysis, the mean bias error (MBE), root mean square error (RMSE) and t-test. For all sites, there was a better performance in the prediction of Tmin when compared to Tmax, especially by a reduction in errors (MBE and RMSE) and an increase in coefficients b and R2. For ETo, the site CLIMA had lowest MBE and RMSE (0.9 mm d-1) following by the WEATHER and JORNAL. On the other hand, the site CEMIG presented higher values for MBE (-1.3 mm d-1) and RMSE (1.6 mm d-1). There was no worsening with an increase of the forecast horizon in these indices, except for R² values. The site CLIMA was the only one that did not differ significantly from the ETo values observed.  The results of diagnostic verification procedures indicate the potential use of air temperature forecasts in irrigation management.
Speed and rotation variations in gathering coffee machine
Authors: Tavares Tiago de Oliveira , Da Silva Rouverson Pereira , Borba Matheus Anaan de Paula , Bruno Rocca de Oliveira  , Valeriano Taynara Tuany Borges
Published: December 2019

The mechanized harvesting operation of coffee sweep from ground have a great importance, due the value of the coffee that was lost by the harvest process, as well as the breakdown of the cycle of pests that can damage the coffee. To change work settings can influence significantly the capacity of the gathering system. Due, the objective of this study was to evaluate the influence the speed of displacement and rotations of the components of gathering coffee machine in its performance. The experiment was carried out in the municipality of Presidente Olegário-MG on coffee plantations aged 10 to 11 years. The field, presenting an average of 990 kg ha-1 of coffee present in the soil after the machine harvest. The engine rotations of the tractor evaluated were 146.6, 162.3, 178.0, 193.7, and 209.4 rad.s-1 combined with the 1stA and 2ndA gears, resulting in different working speeds. The treatments were distributed in randomized blocks with five replicates. The variables analyzed were the gathering efficiency, cleaning efficiency, coffee losses, and percentage of mineral and vegetal impurities. It was concluded that the gathering efficiency was higher when working with 178.0 rad.s-1 at 1.26 km h-1, resulting in lower coffee losses in the operation, a preponderant factor in the study. On the other hand, the best cleaning efficiency of the machine was found when using 193.7 rad.s-1 and 1.37 km h-1.
Effects of sowing time and plant population on the productive potential and agronomic characters in soy
Authors: Luiz Marlize Cristina Pinheiro , Ana Paula Oliveira Nogueira  , Osvaldo Toshiyuki Hamawaki  , Thúlio Pereira Mattos  , Solange Celestino Costa  , Flaviani Gabriela Pierdoná  , Raphael Lemes Hamawaki  , Cristiane Divina Lemes Hamawaki
Published: December 2019

Soy is one of the main cultivated species in the world with great economic expression and high impact on Brazilian agribusiness. The productive potential is expressed due to the genetic constitution of the cultivar and the environment in which it is exposed. The market demands for bean production require the ideal handling of the culture in order to optimize the yield potential of the plant. In this context, the handling of the culture is essential to achieve success when cultivating soy. Plant population influences the agronomic characters and consequently in the grain yield. Thus, this factor needs particular studies for each cultivar. The objective in this study was evaluating the influence of the plant population on the productive potential and agronomic characters in soy, in Uberlandia, Minas Gerais. The experiment was performed in Capim Branco Farm, which belongs to the Federal University of Uberlandia. The study was composed by 15 treatments in a 3x5 factorial scheme, constituted by three cultivars (UFUS 7415, UFUS 7401 and UFUS 6901) and five plant populations (200, 240, 280, 320 and 360 thousand plants ha-1). It was adopted the experimental outlining of randomized complete blocks, with five repetitions. The evaluated characters were: number of days to flowering and maturity (NDF and NDM), plant height at flowering and maturity (APF and APM), number of nodes at flowering and maturity (NNF and NNM), insertion height for the first pod (APV), total number of pods (NVT), thousand grain weight (P1000G) and productivity (PROD). It was noted that plant population didn’t interfere in the soy cycle, number of nodes and thousand grain weight. The cultivars UFUS 6901, UFUS 7415 and UFUS 7401 presented better yields in populations of 240, 280 and 320 thousand plants ha-1 respectively.
Influence of Molybdenum doses in inoculation and mineral fertilization in cowpea beans
Authors: Michel Daniele Cabral , Vasques Isabela Cristina Filardi , Araújo Geisislaine do Carmo Reis , De Castro Jordana Luísa , De Assis Lucas Lenin Resende , Dos Reis Rayner Hugo Cassa Louzada , Silva Maria Lígia de Souza , Faquim Valdemar
Published: December 2019

In some leguminous plants, associations with nitrogen-fixing microorganisms allow their nutrition with nitrogen (N) from the atmosphere. This process is known as Biological Nitrogen Fixation (BNF), where through nitrogenase enzymes, N2 is converted to an available form. This process can replace in part, or in total, nitrogen fertilizers. Cowpea bean is a legume species that is recognized for its high capacity to carry out BNF. In the last decades, studies have encouraged small farmers from north and northeast Brazil to use inoculants with rhizobia species since the results of researches have demonstrated that inoculation is an interesting strategy to improve cowpea production. Considering the specific function of molybdenum (Mo) in the N assimilation, different doses of Mo were tested in this study in order to find doses that could improve and enhance BNF. Therefore, this study aimed to compare nitrogen fertilization and BNF in the N assimilation by plants with different Mo doses. Inoculation was performed with the strains UFLA 03-84 and INPA 03-11B. Doses of Mo were applied in seeds and each pot contained five seeds. Thirty-five days after germination, the plants were analyzed for shoot dry matter and fresh matter, N contents and accumulation, as well as the Soil-Plant Analysis Development (SPAD) Index and nodulation in inoculated plants. The different doses of Mo and also the nodulation treatments did not show significant differences in the contents of N. Plants with N fertilization had significant higher shoot dry matter and root dry matter production, in addition to higher N foliar contents and N accumulation. Therefore, BNF was not as efficient as nitrogen fertilization in the evaluated experimental conditions using cowpea beans.
Gas exchange in Massai grass fertilized with nitrogen and grazed by sheep
Authors: Lopes Marcos Neves , Duarte Cândido Magno José , Fernandes Franco Pompeu Roberto Cláudio , Da Silva Rodrigo Gregório , De Lacerda Claudivan Feitosa , Bezerra Marlos Alves , De Morais Neto Luiz Barreto , De Souza Carneiro Maria Socorro
Published: December 2019

The knowledge of gas exchanges in forage plants is essential for a better understanding of the process of forage biomass production in pasture. This study evaluated the gas exchange in massai grass fertilized with increasing levels of nitrogen fertilizer (control - without nitrogen fertilizer; 400; 800 and 1200 kg ha-1 year-1) and under rotational grazing by sheep, in a completely randomized design with repeated measures in time. The rest period was approximately 1.5 new leaves per tiller, as determined in the pre-test at the beginning of the experiment, providing interval of 22; 18; 16 and 13 days for the levels 0.0 - control; 400; 800 and 1200 kg ha-1 year-1 nitrogen, respectively. The animals used to lower the sward height to the recommended residual height were sheep (½ Morada Nova x ½ undeﬁned breed), placed in paddocks of 42.3 m2. As the animals grazed, the height of the sward was monitored with a ruler until the canopy reached the recommended residual height of approximately 15 cm, corresponding to the residual LAI of exit of the animals from the paddock at approximately 1.5, as determined in a pre-test to set up the experiment. The variables stomatal conductance, leaf photosynthesis rate, leaf carbon dioxide concentration, photosynthesis/transpiration ratio, chlorophyll relative index and nitrogen sufficiency index revealed a positive linear response to nitrogen fertilization. Nitrogen fertilization level at 1200 kg ha-1 year-1 caused an increment of 92.3% in leaf photosynthesis rate in relation to the control. The leaf temperature and photosynthesis/conductance ratio were reduced with increasing nitrogen levels. The leaf transpiration showed a quadratic response with maximum point with increasing nitrogen levels. Nitrogen fertilization favor the gas exchange in massai grass up to the last level tested.
Pediatric dentistry content in civil service examinations in the state of paraíba: how is this specialty being addressed?
Authors: Penha Elizandra Silva , Rolim Ana Karina Almeida , Dos Santos Carlus Alberto Oliveira , Guênes Gymenna Maria Tenório , De Medeiros Luanna Abílio Diniz Melquíades , Da Costa Camila Helena Machado
Published: December 2019

This research study aimed at evaluating the content related to pediatric dentistry addressed in civil service examinations in the state of Paraíba through the analysis and classification of questions. Questions related to pediatric dentistry addressed in civil service examinations for the dentist position in the Family Health Program, held in the state of Paraíba, between the years 2001 and 2017 were evaluated. Across the state, 107 civil service examinations were identified and, when applying the exclusion criteria, 9 identical tests were found, consequently, being removed, totaling 98 examinations. After the analysis, 3,949 questions were obtained and only 54 questions were related to pediatric dentistry, representing 1.36% of total questions. The questions were classified according to the topic and the cognitive level according to the BLOOM's revised taxonomy. Results showed that topics related to oral rehabilitation and surgical management, including questions regarding anesthesia, surgery, pulp therapy, endodontic treatment, operative and restorative dentistry, dental materials, traumatic injuries and prosthesis/rehabilitation corresponded to 42% of the questions. The most prevalent cognitive domains were recall and analyze, corresponding to 45% and 29%, respectively. Thus, questions concerning oral rehabilitation and surgical management were the most addressed in civil service examinations, in which the domains remember and analyze were predominant. There were no questions requiring complex cognitive domain such as assessing and creating.
Effect of commercial silanes on bond strength of resin cement to lithium disilicate ceramic
Authors: Favarão Jamille , Zanini Maurício Matté , Guarda Guilherme Bottene , Mendonça Marcio José , Sinhoreti Mário Alexandre Coelho , Consani Simonides , Sicoli Eliseu Augusto
Published: December 2019

The aim of this study was to evaluate the effect of different commercial silanes on microshear bond strength of resin cement to lithium disilicate ceramic. Twenty ceramic samples with 10 mm in length, 10 mm wide and 3 mm in thickness were fabricated, etched with 10% hydrofluoric acid for 20 seconds, and divided into 5 groups, according to the commercial silane applied: G1- RelyX Ceramic Primer (3M ESPE), G2- Angelus Silane, G3- Prosil (FGM), G4- Dentsply Silane (Dentsply) and G5- Bis-Silane (Bisco). Silanes were applied in accordance to manufacturers’ recommendations. Addition silicone molds with 1 mm in thickness, 10 mm in diameter and 3 perforations with 1 mm in diameter each one, were placed on ceramic and filled with the resin cement Rely X ARC (3M ESPE) in all groups. Light activation was performed with LED Bluephase G2 (Ivoclar Vivadent) at 1200 mW/cm2, for 30 seconds. Samples were maintained in 100% humidity at 37°C for 24 hours and submitted to microshear test. The data (MPa) were submitted to one-way ANOVA and Tukey test (α=0.05). The results obtained for each group were: G1: 22.39±2.99; G2: 23.35±4.08; G3: 26.05±5.46; G4: 18.56±4.09; G5: 25.26±4.10. Statistical analysis showed significantly lower microshear bond strength for G4. Fracture pattern analysis showed predominance of adhesive failures in G1 and G2. G3 and G5 presented higher percentage of cohesive failures in ceramic, and G4 showed mixed, adhesive and cohesive fractures with similar percentages. It was concluded that different silanes showed influence on the lithium disilicate ceramic – resin cement bond strength.
Biological activities and phytochemical screening of leaf extracts from Zanthoxylum caribaeum L. (Rutaceae)
Authors: Souza Juliete Gomes de Lara de , Pinto Fabiana Gisele da Silva , Toledo Adrieli Gorlin , Alves Luis Francisco Angeli , Alves Dejane Santos
Published: December 2019

The Brazilian flora is known for its vast biodiversity; however, many species have been still little studied regarding to their chemical composition and biological potential. Thus, this study aimed to determine the antimicrobial, antioxidant and acaricidal activity of the extracts of leaves of Zanthoxylum caribaeum L. In addition, phytochemical screening of these extracts was carried out to determine the main classes of secondary metabolites present in Z. caribaeum.  Using the Z. caribaeum leaves, the aqueous extract and extracts were obtained in organic solvents (ethanol, methanol, hexane, acetone, dichloromethane and ethyl acetate). The antimicrobial activity of extracts was determined by broth microdilution method, and to detect antioxidant activity the method of capturing the free radical 2,2-diphenyl-1-picryl hydrazyl (DPPH) was used. The acaricidal activity of the extracts was tested on Dermanyssus gallinae (De Geer) (Acari: Dermanissidae). Ethanolic and methanolic extracts presented antimicrobial activity for most of the bacterial strains tested, as well as for yeast Candida albicans. The ethanolic extract presented high free radical sequestration potential (71.2%) and antioxidant capacity (the lowest IC50 value - 24.39 μg mL-1). The extracts obtained with methanol and acetone were the most promising. In general, phytochemical screening indicated the presence of steroids, flavanones, flavones, flavonols, saponins, tannins, triterpenoids and xanthones.
Proposta de um método de avaliação da acurácia posicional baseado na modificação do Buffer Simples
Authors: Martins Cunha Marconi , Zavatti Secatto Guilherme , Fernandes Galindo José Roberto , De Paula dos Santos Afonso
Published: December 2019

Classicamente, o controle da qualidade baseado na acurácia posicional de um documento cartográfico é realizado pela comparação estatística entre as coordenadas horizontais e/ou verticais de pontos bem identificáveis na carta, com as respectivas coordenadas de pontos homólogos obtidas em um produto mais confiável ou por método de levantamento em campo mais acurado que o da carta analisada. Uma alternativa a utilização de feições pontuais é usar feições lineares, tais como segmentos de reta ou curvas. Algumas vantagens dos métodos de feições lineares em comparação com o método tradicional por pontos encontram-se na grande quantidade e na boa distrição espacial que as feições lineares geralmente apresentam nas bases cartográficas, além de apresentar mais informações geométricas que os pontos. Este trabalho teve como finalidade propor uma metodologia baseada na modificação do método do Buffer Simples, para que seja possível obter valores de discrepâncias posicionais planimétricas, em unidades métricas, entre as linhas homólogas de teste e de referência. Utilizando como padrão o Decreto nº 89.817 e a ET-CQDG, os resultados obtidos com a metodologia proposta foram confrontados com os métodos do Buffer Simples, Buffer Duplo e Influência do Vértice. Na avaliação da acurácia posicional planimétrica de uma ortoimagem Ikonos utilizando a escala de 1:10.000, os resultados obtidos mostraram que o método do Buffer Simples Modificado foi o método mais restritivo e rigoroso, sendo vantajoso para obtenção de um valor de discrepância métrica, permitindo realizar a detecção de outliers e tendência a posteriori.
Avaliação da Acurácia Posicional Tridimensional de Produtos Cartográficos Utilizando um Elipsoide de Incertezas
Authors: Lisboa Matheus Henrique , De Paula dos Santos Afonso , Medeiros Nilcilene das Graças , Abreu Marcus Vinicius Sanches
Published: December 2019

No Brasil, a avaliação da acurácia posicional de produtos cartográficos segue as diretrizes do Decreto nº. 89.817/1984. Esse decreto divide a acurácia posicional em duas componentes: planimétrica e altimétrica. Produtos tridimensionais, como Modelos Digitais de Superfície/Elevação (MDS/MDE), acabam sendo avaliados em componentes separadamente, mas alguns autores, tais como Santos (2015) e Li et al. (2005) demonstraram que a forma mais eficiente de se avaliar esse tipo de produto é por meio da resultante entre as componentes planimétricas e altimétricas. Sendo assim, este trabalho propõe um método para a avaliação da acurácia tridimensional de produtos cartográficos, por meio das componentes tridimensionais de uma superfície geométrica, no caso em estudo, um elipsoide, cujas dimensões são dadas pelas tolerâncias descritas no Decreto nº. 89.817/1984. Posteriormente, o método proposto (chamado de EPSI) foi confrontado com a metodologia do Decreto nº. 89.817/1984, em conjunto com a ET-CQDG (DSG, 2016). Para verificar a eficiência do método, foram simuladas 15.000 discrepâncias e, em aproximadamente 83% dos casos, o método proposto foi mais restritivo se comparado à avaliação da planimetria, e, em 58% dos casos, quando comparado à análise da altimetria. No restante dos casos, o método se apresentou equivalente à análise separada da planimetria e altimetria, descrita pela ET-CQDG (DSG, 2016). Utilizando exemplos práticos, percebe-se que a metodologia tridimensional é mais restritiva que a usualmente aplicada.
Avaliação da Acurácia Posicional de Dados Gerados por Aeronave Remotamente Pilotada
Authors: Oliveira Dayanne Vieira , Luís Silva Brito Jorge
Published: December 2019

Aeronaves Remotamente Pilotadas (ARP) são equipamentos disponibilizados no mercado para obtenção de imagens aéreas de alta resolução. Diante do contexto de desenvolvimento dessa aeronave no meio civil, esta pesquisa teve como objetivo avaliar a acurácia posicional dos dados gerados a partir do uso da ARP PHANTOM 3 para fins de mapeamento topográfico e a possibilidade de utilização na cartografia cadastral. A metodologia compreendeu o planejamento de voo, seleção de 52 pontos de apoio coletados mediante levantamento pós-processado no modo estático através de receptores GNSS e nivelamento geométrico realizado com o Nível Digital DL-202 Ruide, criação de sinalizadores dos alvos e processamento fotogramétrico utilizando o software Pix4Dmapper Pro - Trial. A avaliação da acurácia foi realizada no ortomosaico e MDT obtidos Sem pontos de controle (PC), com PC Distribuídos e PC Agrupados para a escala 1:1.000 através da análise de tendência, usando estatística inferencial, e da análise de precisão, por meio do teste Qui-Quadrado e do Decreto-Lei 89.817/ET-CQDG. Para comparar as discrepâncias obtidas entre dados posicionais de teste e de referência nas diferentes distribuições dos PC, utiliza-se a Análise de Variância e teste Tukey. Os resultados da acurácia posicional planimétrica foram aprovados para as imagens PC Distribuídos e PC Agrupados. O teste Tukey também apontou que essas imagens, PC Distribuídos e PC Agrupados, não diferem estatisticamente entre si. Portanto, concluiu-se que o uso da ARP utilizando PC pode ser considerado para mapeamento topográfico urbano em grande escala, sendo capaz de obter produtos planimétricos aceitáveis para gerar cartografia cadastral.
Movimiento por la educación transformadora y la ciudadanía global
Authors: Ortiz La Torre Alicia
Published: December 2019

En este artículo presentamos al movimiento por la educación transformadora y la ciudadanía global, un movimiento que intenta contribuir a la reflexión y al debate para generar nuevos modelos de ciudadanía y que está dirigido a las personas que desde los centros educativos se enfrentan a la retadora tarea de educar para la ciudadanía global. Asimismo, compartimos reflexiones y experiencias de algunos de estos centros que en España vienen incorporando esta línea en sus centros educativos.
Educación ecosocial para la construcción de ciudadanía global
Authors: Rodríguez Muñoz Víctor Manuel
Published: December 2019

Educar para la ciudadanía global requiere en primer lugar una toma de conciencia clara sobre los desafíos que plantea este mundo sumido en multiplicidad de crisis, y también un compromiso firme de transformación y mejora en distintos ámbitos interrelacionados que integran lo que en FUHEM denominamos educación ecosocial.
El aprendizaje basado en retos como propuesta para el desarrollo de las competencias clave
Authors: Bustos Jiménez Antonio , Castellano Hinojosa Victoria , Calvo Ramos Jacobo , Mesa Sánchez Rafael , Quevedo Blasco Víctor José , Aguilar Mendoza Carmen
Published: December 2019

El aprendizaje basado en retos parte de las vivencias y el conocimiento del alumnado de manera activa y participativa. Este trabajo se centra en la metodología que se puede llevar a cabo en los centros educativos para favorecer este tipo de aprendizaje, así como en su potencial para responder a las exigencias curriculares actuales.
Campeones
Authors: Pereira Domínguez Carmen , Varela Fuentes David
Published: December 2019

Marco Montes es el segundo entrenador de baloncesto en un equipo profesional de la Liga española. Está pasando por una crisis personal que afectará a su mundo laboral provocando un desinterés en su vida (su relación de pareja está a punto de irse a pique y la convivencia con su madre se complica). Esta situación se desborda durante la celebración de un partido de Liga donde Marco se enfrenta a su primer entrenador. Como consecuencia pierde su empleo y en medio de una borrachera padece un accidente de tráfico. La jueza le sanciona con una multa ejemplar: deberá entrenar a un equipo de baloncesto de personas con discapacidad intelectual pertenecientes a un centro social.En principio, esta penalización no parece ser del agrado de Marco, es más, la vive con sentimientos de rechazo y frustración. Poco a poco irá descubriendo la valía de este grupo de personas que le ayudarán a mejorar su nivel personal, familiar, social y profesional. Del mismo modo, el entrenador será una referencia para el equipo, por su calidad humana y profesional. Una vivencia inolvidable y una auténtica lección de vida.
Des ré-actions collectives types
Authors: Motta Alessio
Published: December 2019

Cet article s’appuie sur la construction et l’analyse d’une base de données sur 286 mobilisations survenues en France de 1997 à 2000 et relayées dans un quotidien, pour mettre en évidence le rôle de « réactions collectives types » dans le déclenchement d’actions contestataires. Là où les approches en termes de répertoires d’action suggèrent un éventail plus ou moins contraint de choix dans les techniques protestataires disponibles pour un groupe, on mettra en avant l’existence, dans de nombreux cas, d’un mode d’action principal lié à une situation type et qui exerce sur celle-ci une contrainte sans égal : la grève dans des protestations de salariés, la pétition pour certaines mobilisations de quartiers, ou d’autres exemples qui varient au fil de l’histoire et selon les contextes culturels. Cette réaction collective type, point de convergence des attentes des acteurs, s’impose à eux comme une évidence fortement contraignante malgré la diversité de leurs calculs, anticipations, préoccupations et interactions.
Retour critique sur le modèle de ségrégation urbaine de Schelling
Authors: Forsé Michel , Parodi Maxime
Published: December 2019

Dans les années 1970, Thomas C. Schelling a proposé un modèle pour expliquer le lien entre ségrégation spatiale et préférences individuelles concernant cette ségrégation. Au moyen de simulations, il cherche à montrer qu’un haut niveau de ségrégation globale peut être le résultat collectif de décisions individuelles qui sont loin de viser une telle ségrégation. Cet article montre cependant que les contraintes structurelles du modèle expliquent intégralement les niveaux de ségrégation atteints. Une faible exigence individuelle pour s’entourer de voisins identiques conduit à une ségrégation collective faible et une exigence forte conduit à une ségrégation forte. Les niveaux de ségrégation correspondant à un seuil donné de satisfaction individuelle n’ont rien de surprenant au regard des lois du hasard et de ce que chaque individu souhaite réellement. Le modèle de Schelling ne permet pas de conclure que, de manière générale, de larges ghettos naissent d’innocentes décisions. Ses caractéristiques sont trop particulières pour pouvoir en tirer des enseignements généraux. S’il faut expliquer la formation des « ghettos urbains », il vaut mieux se tourner vers des causes sociales, économiques ou culturelles.
Quelques apports de Thomas Schelling à la compréhension des processus sociaux
Authors: Rayner Hervé
Published: December 2019

Souvent apparenté à la théorie de l’acteur rationnel, à la théorie des jeux et au contexte de la guerre froide, Thomas Schelling n’en a pas moins produit une œuvre iconoclaste et occupé une position originale dans le champ scientifique états-unien, ne serait-ce que par son penchant affirmé pour l’interdisciplinarité. Soucieux de scruter les « impératifs de l’action », ses travaux permettent d’ouvrir des pistes de recherche stimulantes pour peu qu’on les croise avec ceux d’autres auteurs et types de démarche. Son concept de point focal peut par exemple renouveler l’approche du charisme. Enfin, sa théorie de la décision interdépendante et son insistance sur l’importance de la coordination tacite mettent en cause les conceptions exclusives (ascendante ou descendante) de la causalité, nous incitant à penser en termes de causalité spirale et de jeux spéculaires, ces jeux de miroirs dans lesquels sont pris les acteurs et où s’originent les processus d’auto-amplification.
Quantifier les territoires. Des chiffres pour l’action publique territoriale - M. Mespoulet, dir., 2017
Authors: Le Berre Sylvain
Published: December 2019

Recencé : Martine Mespoulet (dir.), Quantifier les territoires. Des chiffres pour l’action publique territoriale, Rennes, Presses Universitaires de Rennes, 2017, 241 p.
Simulações como apoio a decisão em projeto produtivo para assentamento rural: um estudo de caso em Rosário do Sul – RS
Authors: Meyer Alexandre Afonso , Gomes Mario Conill
Published: December 2019

O trabalho analisa riscos econômicos e financeiros para assentados rurais, através da combinação entre uma análise tradicional de negócios e uma análise simulada de resultados, visando promover o arbítrio de uma decisão melhor embasada. A pesquisa avaliou uma agroindústria, suprida por um sistema produtivo de leite em um assentamento rural, introduzindo elementos de aprofundamento a análise, na forma de simulações. O enfoque na produção e processamento de leite, como alternativa para um assentamento rural, foi projetado relacionando as variáveis de preços e custos das atividades. A construção do modelo simulado foi estruturada a partir do Valor Presente Líquido (VPL), submetido a simulações pelo método de Monte Carlo. As variáveis simuladas foram acolhidas por análise de sensibilidade, e os resultados obtidos no modelo demonstraram a probabilidade de 39,7% para um VPL negativo. Os elementos encontrados mostram que avaliações econômicas de sistemas simulados podem compor importantes ferramentas de apoio a projetos de investimentos de cunho coletivo em assentamentos rurais.
Capacidades colaborativas e criação de valor: revisão sistemática e agenda de pesquisa
Authors: Da Nóbrega Bruna Medeiros , De Moura Nathalia Rodarte , Gohr Cláudia Fabiana , Gonçalves Juliana Maria Silva
Published: December 2019

Para que empresas colaborem entre si e criem valor conjunto, é necessário o desenvolvimento de capacidades. No entanto, há uma lacuna sobre quais capacidades colaborativas devem ser desenvolvidas para criar valor conjunto. Este artigo tem como principal objetivo identificar atributos de capacidade colaborativa e criação de valor que influenciam no desenvolvimento desses aspectos, utilizando-se como método a Revisão Sistemática da Literatura. A literatura foi analisada por meio de análise de conteúdo. Foi possível identificar 15 atributos de capacidade colaborativa e 14 atributos de criação de valor. Verificou-se que os atributos de capacidade colaborativa podem influenciar no processo de criação de valor conjunto, como por exemplo, alinhamento estratégico, aprendizado, atributos da rede e organizacionais, compartilhamento de conhecimento e de recursos, comprometimento, comunicação, confiança, desempenho, governança relacional, novas parcerias e relacionamento longo. Dentre as contribuições do artigo, destacam-se o avanço do conhecimento sobre a temática ainda não explorada na literatura, os atributos de capacidade colaborativa que precisam ser desenvolvidos em um relacionamento interorganizacional para possibilitar a criação de valor, as oportunidades de pesquisas identificadas na literatura e as que podem surgir em função desta pesquisa.
Proposta de melhoria em um pronto atendimento integrando a abordagem lean e a dinâmica de sistemas
Authors: Heiderscheidt Francisca Goedert , Forcellini Fernando Antônio , Neto Rafael Ariente
Published: December 2019

A saúde é direito de todos e deve oferecer uma atenção que proporcione satisfação ao paciente, contudo, os sistemas de saúde são repletos de ineficiências. O lean é um conjunto de princípios os quais visam criar o máximo de valor do ponto de vista dos consumidores, consumindo o mínimo de recursos. A abordagem lean voltada a serviços de saúde é conhecida como lean healthcare. Dentre as instituições provedoras de saúde, encontra-se um pronto atendimento em que há insatisfação dos pacientes por conta do desempenho comprometido do sistema e a partir de um diagnóstico dessa situação atual, desenvolveu-se este trabalho. Assim, o objetivo do presente estudo é propor melhorias em um pronto atendimento, utilizando a dinâmica de sistemas e o mapeamento do fluxo de valor. Entre o diagnóstico de como a situação está acontecendo na atualidade e de como essa deveria ser, empregou-se os conceitos da dinâmica de sistemas que por meio da modelagem dinâmica auxilia a compreensão de como o sistema em foco evolui no tempo e como mudanças em suas partes afetam todo o seu comportamento, além de auxiliar a propor uma condição futura ideal contendo melhorias com maiores chances de serem bem sucedidas em suas implementações.
Proposta de melhoria por meio de kpi em uma empresa de movelaria com fornecedores no exterior
Authors: Andrade Paulo Henrique Carneiro de
Published: December 2019

O objetivo deste trabalho foi estabelecer mostrar a importância na utilização de indicadores de desempenho. O presente trabalho foi realizado em uma empresa de movelaria que produz estofados, Rostagno, localizada em Turim – Itália. Este artigo mostrou a importância dos indicadores de desempenho na gestão da logística e no planejamento estratégico de empresa, apontando como gerir seus fornecedores, utilizando ferramentas e   propondo indicadores e melhorias, demonstrando como tal implica maior eficiência e ganho de resultados. Para compreender claramente o proposto, foi definido o conceito de logística, estoque, indicadores de desempenho (KPI), análise das vantagens e desvantagens de manter um estoque e como isso interfere no resultado da empresa. Foram analisados fornecedores da China, Polônia e Romênia.  Deste modo, foi possível propor quais os pontos necessários para se avaliar o fornecedor e estabelecer critérios para verificação do cumprimento dos mesmos quanto aos objetivos estabelecidos. Diante do que foi apresentado, conclui-se que os indicadores proporcionam um maior controle em relação a escolha do fornecedor, considerando custo do transporte e mão de obra, resultando em vantagem competitiva para a Rostagno e também oportunidades de melhoria.
Vital Pulpa Tedavisinde Kullanılan Kalsiyum Silikat İçerikli Biyomateryallerin Restoratif Materyallere Bağlanma Dayanımının Değerlendirilmesi
Authors: BİÇER Hüseyin , BAYRAK Şule
Published: December 2019

Amaç: Bu çalışmanın amacı, vital pulpa tedavilerinde kullanılan
kalsiyum silikat içerikli biyomateryallerin rezin modifiye cam iyonomer siman
ve kompozit rezine makaslama bağlanma dayanımlarının karşılaştırmalı olarak
değerlendirilmesidir.Gereç ve Yöntemler: 4 mm çapında ve
2 mm derinlikte boşlukları bulunan 78 adet akrilik blok hazırlandı. Üretici
firmaların talimatları doğrultusunda hazırlanan kalsiyum silikat içerikli
biyomateryaller (ProRoot MTA, BioAggregate ve Biodentine) akrilik bloklardaki
boşluklara yerleştirildi ve sertleşmeleri için önerilen sürelerde bekletildi.
Biyomateryal örnekleri, rezin modifiye cam iyonomer siman ve kompozit rezin
olarak 2 gruba ayrıldı. Adeziv işlemlerin ardından biyomateryallerin üzerine 2
mm çapında ve 2 mm yüksekliğinde silindirik kalıplar yardımıyla restoratif
materyaller uygulandı. Tüm örnekler 24 saat 37°C'lik etüvde bekletildikten
sonra makaslama bağlanma dayanım değerleri universal test cihazı kullanılarak
ölçüldü. Elde edilen verilerin istatistiksel değerlendirilmesinde tek yönlü
varyans analizi (One-way-ANOVA) ve Tukey testleri kullanıldı.Bulgular: Tüm biyomateryallerde (ProRoot MTA, BioAggregate ve Biodentine) kompozit
rezinin makaslama bağlanma dayanım değeri, rezin modifiye cam iyonomer simandan
yüksek bulundu. Biyomateryaller karşılaştırıldığında ise, Biodentine’nin
hem rezin modifiye cam iyonomer siman hem de kompozit rezine bağlanma
dayanımının ProRoot MTA ve BioAggregate’den anlamlı olarak yüksek olduğu
saptandı (p<0.05). Sonuçlar: Sonuç olarak vital pulpa
tedavilerinde kullanılan kalsiyum silikat içerikli biyomateryallerin üzerine
restoratif materyal olarak kompozit rezin tercih edilebilir. Ayrıca Biodentine, hem bağlanma dayanımı
açısından daha iyi değerler sergilemesi, hem de sertleşme süresinin daha kısa
olması, manipülasyonunun daha kolay olması ve daha ucuz olması nedeniyle MTA ve BioAggregate’e iyi bir alternatif olabilir.Anahtar Kelimeler: Biyomateryal, makaslama bağlanma
dayanımı, vital pulpa tedavisi.
Konik ışınlı bilgisayarlı tomografi istek nedenlerinin incelenmesi
Authors: YALÇIN Eda Didem , ARTAŞ Aslıhan
Published: December 2019

Amaç: Bu
çalışmanın amacı, Gaziantep Üniversitesi Diş Hekimliği Fakültesi Ağız, Diş ve
Çene Radyolojisi Anabilim Dalı’na başvuran ve çeşitli nedenlerle KIBT çekimi
yapılmış olan hastalardan KIBT istek nedenlerinin ve bu isteklerin, yaş,
cinsiyet ve bölümlere göre dağılımının retrospektif olarak incelenmesidir. Gereç ve Yöntemler: Bu
çalışmada, Gaziantep Üniversitesi Diş Hekimliği Fakültesi Radyoloji Anabilim
Dalı’na Mart 2017-Mayıs 2018 tarihleri arasında başvuran 1010 hastanın KIBT (Planmeca
Promax 3D; Planmcea, Helsinki, Finland) istek formları retrospektif olarak değerlendirildi.
KIBT istenme nedeni, istek yapan bölümler, istenilen bölgeye ait bulgular ve
KIBT çekim alanı incelendi.Bulgular: 462’si
erkek 548’i kadın toplam 1010 tomografi istek formu değerlendirildi. Yaşları 5-85
arasında değişen hastaların ortalama yaşları 38.31 ± 18.53 idi. En fazla
isteğin implant planlaması (% 47.72) amacıyla olduğu belirlendi. Daha sonra
sırasıyla tümör ve kist benzeri patolojiler  (% 23.07), gömülü dişlerin lokalizasyonu ve
komşu anatomik yapılarla ilişkisinin incelenmesi (% 6.73), ortodontik amaçlı (%
3.76), travma (% 3.46), süpernümerer diş (% 2.87), paranazal sinüs patolojilerinin
incelenmesi (%2.38), diş kökleri-mandibular kanal ilişkisinin değerlendirilmesi
(% 2.18), dudak damak yarığı (%1.58), temporomandibular eklem patolojilerinin
incelenmesi (% 1.29) ve diğer istek nedenleri (% 4.96) için yapıldığı saptandı. Sonuçlar: Diş
hekimliğinde birçok alanda
kullanılan KIBT’ın en çok implant
planlaması için istenildiği tespit edildi. KIBT istek nedenlerinin incelenmesi;
KIBT’ın kullanım alanlarının, sıklığının ve sınırlılıklarının belirlenmesinde
katkı sağlayacaktır.Anahtar Kelimeler: Diş hekimliği, konik ışınlı bilgisayarlı
tomografi, radyografi
Thermomechanical response of a viscoelastic Ni-Ti – Shape Memory Alloy composite beam
Authors: Campo-Ceballos Diego Andrés , Pacheco Rocha-Lima Emanuelle , Levy-Neto Flaminio
Published: December 2019

This investigation is concerned with the mechanical behavior of Shape Memory Alloy Hybrid Composite Beams (SMAHC), that consist of a circular bar of NiTi alloy incorporated in a 500 mm long cylindrical pipe of polypropylene (PP), with external diameter 50 mm and nominal wall thickness 7 mm, wound with a nylon/epoxy layer. The Ni-Ti alloy was characterized using: scanning electron microscopy (SEM); X-ray diffraction (XRD) and Differential thermal analysis (DSC). The nominal chemical composition of the alloy is 50.05 %Ni / 49.95%Ti, and the softer martensite is the predominant phase at room temperature. The approximate martensite (M) to Austenitic (A) phase transformation temperatures were Mstart = 32°C, Mfinal = 46°C, Astart = 38 °C and Afinal = 60°C. For temperature TAfinal it is fully converted in the Austenitic phase; and its elasticity modulus increases by a factor up to three times. This significant change in stiffness of Ni-Ti, without changing its mass, has motivated the application of such alloy in machine vibration control. The SMAHC beams were subjected to static three-point bending tests, in the elastic regime. Experimental results showed that, in average, at 21°C, the PP pipes effective flexural elastic modulus increased 112%, from 757 MPa to 1609 MPa, when the Ni-Ti bar and the external layer of nylon/epoxy were incorporated to the PP pipe, creating a smart beam. These last results indicate that the SMAHC beam can work as an adaptative structure.
International relations in 21 century: the place and role Ukraine
Authors: Поліщук О. О.
Published: December 2019

The present paper considers the main approaches to definition and understanding of concept of hybrid war,the substantive provisions of the phenomenon of hybrid war and its features in the international relations areanalyzed, absence of unified definition of concept of “hybrid war” in scientific field is stated, also pre-conditionsof hybrid war development by a country-aggressor are considered.Actuality of problem. The problem of the “Hybrid War” due to the increase of the tension level is actualized,which ultimately leads to significant resource losses. All this affects on development of society and the state, asweal as on the all the processes that take place in them.Lately in different parts of the world there is a far of local and domestic conflicts that on the essence appearopposition of supercountries through aspiration to protect the interests and occupy leader positions on a worldpolitical arena. This problem puts further European and world safety under a threat.«Cold war» became one of main varieties of relations between countries during the last two centuries throughintensifying of political rivalry and wars for diverse reasons.This position predetermines the necessity of deep and objective research of this phenomenon. Consequentlyit is very important to expose maintenance, pre-conditions of origin, basic signs and possible consequences ofthis destructive process from event on east of Ukraine. Also study of this problem predefined by the necessityof fight and development of effective counterweapons, determination of ways of its avoidance to hybrid warin the future. Innovativeness of analysis of this problem appears through a look to hybrid war in Ukraine asa constituent of «cold war», new landmark of history of opposition to Russia and the West, exposure of thepersonal touches of «cold war» in our time, establishment of conceptual positions of this concept and its specificlines in international relations.
The domestic policies of the Margaret Thatcher’s governments in english language sources and literature
Authors: Пунько В. М.
Published: December 2019

The article systematizes and analyzes the main groups of historical sources and scientific andnon-fiction literature on the theoretical and practical principles of neoconservatism, its Britishmodel «Thatcherism» during 1979–1990; Margaret Thatcher’s methods, tools and results inimplementing social and economic policies and further prospects for research. Various types ofhistoriographical sources and literature of English origin were used: memoirs, interviews andspeeches, party and program documents, collective and individual monographs, profile articlesand intelligence, press information, Internet resources, etcetra have been used. By synthesizinghistorical, comparative sociological and problem-chronological methods for the first time in thedomestic historiography attempts have been made to comprehensively analyze historical sourcesand scientific works on economic and social policy headed by M. Thatcher of neoconservativegovernments. Found out on the basis social science studies of social scientists, economic, politicaland ideological factors that caused the turnaround of the British Conservative Party on socialissues in the 80’s the years of the twentieth century; outlined and traced the problems encounteredin the context of reforming the British economy. It is determined that among gaps that need furtherscientific reflection are this legislative support of the social and economic policies of Tetcher’sgovernment and clarification of the categorical and conceptual apparatus in the field of socialpolicy. For the first time in national historiography, a comprehensive generalization and systematicdata of English sources and literature on internal the policies of the M. Thatcher governments.The opportunity to go deeper understanding the features of internal political and socio-economicprocesses that took place in the UK in 1979–1990, their degree reflection in English-languagesources and research; expansion of information and reference base for scientific writing works.