bluuebunny/crossref_metadata_2025 huggingface dataset:
Connecting Museums: a case study in leadership, innovation and education in university science museums leading internationalisation projects
Authors: Ferraro José Luís Schifino , Goldwater Adam , McDonald Caroline , Guerra Simões Pires Melissa , Stott Janet , Suess Jessica A. , Smith M. Paul
Published: May 2019

This article reports on Connecting Museums: leadership, innovation and education in Science Museums, an international conference involving three university museums: Museu de Ciências e Tecnologia da Pontifícia Universidade Católica do Rio Grande do Sul (MCT-PUCRS), the Great North Museum: Hancock (GNM), at Newcastle University (NU), and the Oxford University Museum of Natural History (OUMNH). The partnership started with a project to develop a joint exhibition on the theme of evolution organised by MCT-PUCRS and GNM, supported by the British Council’s Newton Fund (Institutional Skills 2016). The two museums shared the project at the UK University Museums Group (UMG) conference in 2016, where it came to the attention of colleagues at OUMNH. Following the UMG conference, the leadership and education teams of the three museums opened a dialogue to exchange knowledge and experience on leadership, innovation and education in science museums. This culminated in the first Connecting Museums conference in Porto Alegre, Brazil in October 2017. The conference was attended by 81 professionals, researchers, undergraduate and graduate students with interests in museology, the natural sciences and related areas. *** Connecting Museums: um estudo de caso sobre liderança, inovação e educação em museus de ciências universitários liderando projetos de internacionalização ***Este artigo constitui-se de um relato sobre o Connecting Museums: liderança, inovação e educação em Museus de Ciências, uma conferência internacional envolvendo três museus universitários: o Museu de Ciências e Tecnologia da Pontifícia Universidade Católica do Rio Grande do Sul (MCT-PUCRS), o Great North Museum: Hancock (GNM), da Newcastle University (NU) e o Oxford University Museum of Natural History (OUMNH). A parceria entre as instituições iniciou-se a partir de um projeto para o desenvolvimento de uma exposição conjunta, organizada pelo MCT-PUCRS e pelo GNM financiada pelo Newton Fund por meio do edital Institutional Skills 2016 promovido pelo British Council. Os dois museus apresentaram o projeto na conferência do University Museum Group (UMG) em 2016 no Reino Unido, despertando a atenção de colegas do OUMNH. Após a conferência, as equipes de gestão e de educação dos três museus iniciaram um diálogo que culminou na troca de conhecimentos e experiências nas áreas de liderança, inovação e educação em museus de ciências. Este diálogo resultou na primeira edição da conferência Connecting Museums em Porto Alegre, Brasil, em outubro de 2017. Participaram do evento 81 profissionais, entre pesquisadores e alunos de graduação e pós-graduação, cujo interesse estava relacionado à museologia, ciências naturais e áreas correlatas.Palavras-chave: Museus de ciência. Liderança. Inovação. Educação em ciências. Internacionalização.
Não veja, ouça ou fale: zarus presentes nos discursos docentes sobre diversidade sexual e homofobia
Authors: Oliveira Júnior Isaias Batista de , Maio Eliane Rose
Published: May 2019

Apresentamos os resultados parciais de uma investigação acerca da diversidade sexual e da homofobia representada no discurso de 38 educadores/as, dentre diretores/as, pedagogo/as e professoras, considerados informantes-chave do processo de formação escolar. O estudo foi realizado em 13 escolas públicas de ensino médio no Norte do Paraná onde objetivamos analisar como as práticas de violência às pessoas LGBTQIA se manifestam na escola a partir do discurso desses/as agentes. Concluímos que a LGBTQIAfobia é reforçada na/pela escola através da reiteração de práticas excludentes, quando o assunto não é visto, ouvido ou falado. Tal conduta ocasiona distintos prejuízos sociais, ao retirar do ato de viver dessas pessoas o livre exercício dos modos de ser e sentir-se humano.
“É perto, mas é muito, muito longe”: conversando com crianças sobre senso espacial
Authors: Zogaib Simone Damm , Santos-Wagner Vânia Maria Pereira dos
Published: May 2019

Neste artigo evidenciamos indícios de orientação espacial de crianças de cinco anos, matriculadas em uma escola municipal de educação infantil. Consideramos o que elas dizem a respeito do trajeto escola/casa/escola. Tal estudo faz parte de uma pesquisa qualitativa de doutorado em educação sobre senso espacial infantil no campo da geometria. Este texto se constituiu a partir da escuta de crianças em catorze entrevistas realizadas, das quais selecionamos questões sobre noções espaciais de perto/longe. Em Clements (2004), Lorenzato (2006), Mendes e Delgado (2008) encontramos suporte teórico para tratar da orientação espacial. Corsaro (2011) e Sarmento (2007) nos auxiliaram nos estudos sobre infância. Verificamos que as crianças possuem conhecimentos sobre orientação espacial e relacionam noções espaciais de perto/longe aos seus próprios pontos de referência. Concluímos que é importante considerar os usos e significados que as crianças atribuem às noções espaciais, mas também vale considerar o papel significativo da escola em pensar e problematizar junto com as crianças essa orientação espacial no ambiente escolar, no bairro e na cidade onde vivem e se locomovem.
Absorción de nutrientes en arroz en un suelo inceptisol bajo riego en Coclé, Panamá
Authors: Barahona-Amores Luis Alberto , Villarreal-Núñez José Ezequiel , González-Carrasco Walker , Quiro-Mclntire Evelyn Itzel
Published: May 2019

Introducción. El contenido de nutrientes en la planta de arroz (Oryza sativa) durante sus etapas fenológicas del cultivo es afectado por la disponibilidad de nutrientes en el suelo, la dosis y fuente de los fertilizantes, las variedades y los sistemas de cultivos utilizados. Objetivo. El objetivo de este trabajo fue determinar la extracción de macro y micro nutrientes en dos variedades de arroz según etapa fenológica, en un suelo Inceptisol bajo condiciones de riego. Materiales y métodos. El estudio se realizó en Penonomé, Coclé, Panamá, en los ciclos agrícolas del 2015 y 2016. Se utilizaron las variedades de arroz IDIAP FL 106-11 e IDIAP FL 137-11. Se realizaron muestreos de plantas cada quince días a partir de la germinación con cuatro réplicas y empleo de un marco de 0,25 m x 0,25 m. Se realizó un análisis de regresión para determinar la extracción de nutrientes por etapa de cultivo. Resultados. La variedad IDIAP FL 106-11 produjo 31,7 t.ha-1 de materia seca y la IDIAP FL 137-11 26,9 t.ha-1; la producción de grano fue similar con 5,5 t.ha-1 y 5,3 t.ha-1, respectivamente. Existió diferencia significativa en la extracción de nutrientes entre las distintas etapas fenológicas en ambas variedades (p<0,001). IDIAP FL 106-11 extrajo mayor cantidad de N, K, Mn, Zn y Cu que IDIAP Fl 137-11, la cual absorbió mayor cantidad de P, Ca, Mg y Fe. El orden de importancia de los nutrientes basados en la cantidad extraída fue K>N>Ca>P>Mg>Mn>Fe>Zn>Cu. Bajo las condiciones del estudio IDIAP FL 106-11 exigió mayor cantidad de nutrientes para producir una tonelada de grano que IDIAP FL 137-11. Conclusión. Cada variedad presentó distinta absorción de nutrientes lo que sugiere un ajuste en los planes de fertilización que se manejan en la actualidad.
Evaluación de dos sistemas de sexado en plantas de papaya (Carica papaya) híbrido Pococí
Authors: Barrantes-Santamaría Walter Vicente , Loría-Quirós Carlos , Gómez-Alpízar Luis
Published: May 2019

Introducción. Los productores de papaya prefieren plantas hermafroditas por las características de sus frutos; pero deben esperar hasta el inicio de la floración para identificar y seleccionar las plantas. Actualmente, es posible determinar el sexo de las plantas de papaya en estado de plántula mediante marcadores moleculares. Objetivo. El objetivo de esta investigación fue comparar el crecimiento vegetativo y productivo de plantas de papaya híbrido Pococí, sexadas mediante dos sistemas: convencional (SC) y molecular (SM). Materiales y métodos. Para el sistema de sexado convencional se empleó el método tradicional de siembra de los agricultores, que consiste en plantar tres plántulas y determinar el sexo por inspección visual, eliminar las plantas femeninas y dejar una planta hermafrodita por sitio de siembra. En el sistema de sexado molecular se determinó el sexo en el almácigo con base en marcadores moleculares y luego se estableció una planta hermafrodita por sitio de siembra. El ensayo se realizó en la finca de un productor de papaya localizada en la Rita de Guápiles, provincia de Limón, Costa Rica, entre marzo y octubre del año 2010. Resultados. No se observaron diferencias significativas para altura de planta y diámetro de tallo con ambos sistemas de sexado, lo que indica que el periodo de competencia inicial a que fueron sometidas las plántulas en el sistema de SC no afectó el desarrollo vegetativo. Para las variables productivas, se encontraron diferencias significativas entre ambos sistemas de sexado. Las plantas con SM presentaron floración y cuaje de frutos a más temprana edad. La producción total y la calidad de fruta fueron similares entre ambos tratamientos. Conclusión. El sistema de sexado no influyó sobre el crecimiento, desarrollo y rendimiento de las plantas bajo las condiciones de este estudio, lo que indica la posibilidad de utilizar plantas SM para el cultivo del híbrido Pococí.
Comparación de dos disoluciones extractoras de boro y determinación de su contenido en el suelo y en la planta de banano
Authors: Obando Bustos Veda , Segura Mena Rafael , Sandoval Fernández Jorge
Published: May 2019

El objetivo del estudio fue comparar 2 disoluciones extractoras de boro (fosfato de calcio y Mehlich 3), y determinar su contenido en el suelo y en la planta de banano (tercera hoja). El trabajo se efectuó en el Laboratorio Químico de CORBANA S.A., ubicado en la provincia de Limón, cantón de Pococí, distrito La Rita, en el 2015. Para tal propósito se colectaron muestras de suelo y de tejido foliar provenientes de plantaciones bananeras situadas en el Caribe costarricense. Suelos con contenidos inferiores a 0,2 mg.l-1 de boro presentaron una mayor extracción del elemento con la disolución Mehlich 3, en comparación con la disolución de fosfato de calcio. Contenidos entre 0,2 y 0,7 mg.l-1 mostraron, por su parte, una correlación del 68% entre ambas disoluciones. Niveles superiores a 2 mg.l-1 exhibieron una correlación del 98%. El noventa por ciento de las muestras de suelo analizadas presentaron contenidos de boro menores a 1,0 mg.l-1, con la mayoría de las muestras (64%) en concentraciones de 0,2 a 0,7 mg.l-1. El ámbito de boro recomendado para la planta de banano es de 0,1 a 1,0 mg.l-1, por lo que la mayoría de los suelos muestreados presentaron valores adecuados. Las concentraciones foliares de boro fueron de 10 a 15 mg.kg-1 en la sección central interna de la tercera hoja, mientras que en la sección externa de la hoja (borde) fueron de 10 a 70 mg.kg-1 con un aumento de su concentración hacia el borde de la hoja. Los resultados indican la bondad del uso de la disolución de Mehlich 3 sobre la disolución de fosfato de calcio para la determinación de boro en muestras de suelo.
Use of different Trichoderma species in cherry type tomatoes (Solanum lycopersicun L.) Against Fusarium oxysporum wilt in tropical greenhouses
Authors: Vargas Inciarte Luis , Fuenmayor Arrieta Yvan , Luzardo Méndez Mariangel , Da Costa Jardin Mario , Vera Alexis , Carmona Daniel , Homen Pereira Manuel , Da Costa Jardin Pedro , San Blas Ernesto
Published: May 2019

El uso Trichoderma spp. se ha incrementado en la actualidad para el control de hongos patógenos de plantas. En Venezuela los productos comerciales a base de Trichoderma son formulados casi exclusivamente a partir de esporas de T. Harzianum, pero muchos experimentos han reportado en la literatura un mejor desempeño de otras especies nativas no comerciales en comparación con los productos formulados en el país. En este trabajo, 4 especies nativas de Trichoderma Persoon fueron evaluadas en condiciones de laboratorio y en invernaderos comerciales para el control de la marchitez del Fusarium en una variedad de tomate tipo “cherry” de crecimiento indeterminado. Diferentes experimentos fueron realizados para evaluar el antagonismo, micoparasitismo, endofitismo, efecto de metabolitos secundarios producidos por Trichoderma y el efecto agronómico de esas especies en los invernaderos comerciales. Las especies evaluadas fueron: T. koningiopsis Samuels, Suárez & Evans, T. virens Mill., Giddens & Foster, T. spirale Bissett y T. harzianum Rifai. De todas estas, T. spirale mostró los mejores resultados en todos los experimentos. Trichoderma spirale fue capaz de inhibir el crecimiento de Fusarium hasta el 79% en placas de PDA; mientras que sus metabolitos secundarios redujeron el crecimiento del patógeno en un 64%. Por otro lado, mostró un efecto protector contra Fusarium en condiciones in planta en pruebas de laboratorio, reduciendo la enfermedad en 70%. También demostró un efecto positivo en el crecimiento de la planta, posiblemente la acción edofitica de T. spirale. En condiciones de invernadero T. spirale produjo los mejores resultados luego de 90 días post-transplante con el aumento del tamaño de las plantas, la producción de tomates por racimo junto con la protección de las plantas contra la marchitez del Fusarium. Los resultados obtenidos con la cepa nativa de T. spirale usada en este trabajo demostraron que este organismo posee un gran potencial como agente de control biológico.
A terápiás apheresisek számának és indikációjának változása, valamint új eljárások megjelenése Magyarországon 2013 és 2017 között
Authors: Soltész Pál
Published: May 2019

Abstract:

Therapeutic apheresis is a treatment option for several subspecialities. It is a relatively expensive intervention, which can only be done by dedicated centers based on specific indications. The Therapeutic Apheresis Committee and the National Health Insurance Fund of Hungary jointly control the number of interventions to be made, the introduction of new diagnoses and the application of new apheresis procedures in Hungary. In this work, we review the therapeutic practice of the period between 2013 and 2017 in Hungary, describing also the new modalities under implementation. Orv Hetil. 2019; 160(19): 727–738.
A vena cava inferiorból kiinduló primer leiomyosarcoma esete
Authors: Weninger Csaba , Várady Edit , Omar Giyab , Szabó Imre , Tornóczky Tamás
Published: May 2019

Abstract:

The venous invasion from intraabdominal and retroperitoeal tumors (e.g., liver and kidney) is relatively frequent. Primary vascular (venous) tumors are uncommon. The authors review the case of a 67-year-old woman, who was admitted to the hospital in a poor general condition with jaundice. Laboratory findings indicated hepatic and renal insufficiency. Abdominal ultrasound detected a large retroperitoneal mass which was suspected to be of uterine origin. Abdominal CT showed a retroperitoneal mass that invaded the inferior vena cava, but there was no sign of primary intraabdominal or pelvic tumor. Due to the poor general condition of the patient, surgery was not performed. The patient died in some days after admission. Autopsy revealed a primary leiomyosarcoma of the inferior vena cava. Based on the literature data, primary leiomyosarcoma of the inferior vena cava is extremely rare. Leiomyosarcoma of the inferior vena cava can cause various symptoms, depending on the involved segment of the vein. Surgical intervention can be performed in early stages of the disease. In uncertain retroperitoneal tumors involving the inferior vena cava, radiologists should think of the possibility of tumor with vascular origin. Orv Hetil. 2019; 160(19): 756–761.
A háromdimenziós virtuális és nyomtatott szívmodellek megkönnyítik a komplex műtétek megtervezését és javítják a betegbiztonságot a csecsemő- és gyermekszívsebészetben
Authors: Király László
Published: May 2019

Abstract:

Introduction: Three-dimensional (3D) modelling and printing greatly supports advances in individualized medicine and surgery. In congenital cardiac surgery, 3D-models and printed prototypes offer advantages of better understanding of complex anatomy, hands-on preoperative surgical planning and emulation, improved communication within the multidisciplinary team and to patients. 3D-virtual and printed models often add important new anatomical findings and prompt alternative operative scenarios. Aim: Validity and realisation of possible clinical benefits were studied. Method: Computed tomography-angiography raw-data were segmented into 3D-virtual models of the heart-great vessels. Prototypes were 3D-printed as real-size “blood-volume” (rigid material), and 1.5×-scaled “hollow” (translucent, flexible material). Accuracy of the models was evaluated intraoperatively. Results: We produced 3D-prototypes of the heart-great vessels for 12 case-scenarios (6 males, median age: 11 months) undergoing complex intracardiac repairs. Accuracy was excellent in millimeter-range. Representation of the atrioventricular valves is currently unsatisfactory. Models refined diagnostics in 8/12 and provided new anatomic information in 6/12 cases (e.g., aberrant coronary origin/course, newly-discovered intracardiac communication, etc.); in 10/12 cases they contributed to an improved operative plan (surgical approach, modification of intracardiac repair, etc.); an alternative operative plan emerged in 6/12 cases. Complex operative procedures (staged reoperations in 10/12; Aristotle-score median: 11; 10–14) emulated on 3D-models were materialized successfully. No morbidity/mortality occurred. Acceptance-index of the 3D-models was maximal among the multidisciplinary clinical team and patients/relatives. Conclusion: 3D-printed models can contribute to the safety of complex congenital cardiac surgeries in selected scenarios. Besides their numerous benefits, currently inadequate financial coverage of the extra time/labour and material/machinery by insurance is mentioned as a major drawback. Orv Hetil. 2019; 160(19): 747–755.
Neurological Recovery in Traumatic Spinal Cord Injury Patient with Delayed Surgical Intervention
Authors: Alatas Mochamad Targib
Published: May 2019

Early surgical treatment for traumatic spinal cord injury (SCI) patients has been proven to yield better improvement on neurological state, and widely practiced among surgeons in this field. However, it is not always affordable in every clinical setting. It is undeniable that surgery for chronic SCI has more challenges as the malunion of vertebral bones might have initiated, thus requires more complex operating techniques. In this case series, we report 7 patients with traumatic SCI whose surgical intervention is delayed due to several reasons. Initial motoric scores vary from 0 to 3, all have their interval periods supervised between outpatient clinic visits. On follow up they demonstrate significant neurological development defined by at least 2 grades motoric score improvement. Physical rehabilitation also began before surgery was conducted. These results should encourage surgeons to keep striving for the patient’s best interest, even when the injury has taken place weeks or even months before surgery is feasible because clinical improvement for these patients is not impossible.
Anti-TB Drug for Tuberculosis Spondylitis
Authors: Ibrahim Chandra Satria
Published: May 2019

Tuberculosis spondylitis, or spinal tuberculosis, is a disease that occurs throughout the world. Conservative therapy that is given to patients with spinal tuberculosis actually gives good results, but in certain cases, it requires surgery and rehabilitation therapy. The incidence of tuberculous spondylitis varies worldwide and is usually associated with the quality of available public health service facilities as well as the social factors in the country. Currently, tuberculosis spondylitis is a major source of morbidity and mortality in underdeveloped countries, especially in Asia, where malnutrition and population still remains a major issue. The goals of therapy in tuberculosis spondylitis are eradication of infection or at least to prevent neurological deterioration, and prevention or correction of a deformity or neurological deficit. Administration of anti-tuberculosis drugs is a major therapeutic principle in all cases including spinal tuberculosis. Early administration of anti-tuberculous drugs can significantly reduce morbidity and mortality.
Spinal Arachnoid Cyst in Children
Authors: Suryaningtyas Wihasto
Published: May 2019

Spinal arachnoid cyst is rarely seen in children. The presenting features can be mistakenly assumed as myelitis or Guillan-Barre syndrome. Intermittent weaknesses of the leg, progressive ascending weakness of the leg, sensory disturbance, and altered physiological reflexes are the hallmark of the disease. Nabors classified the pathology of the spinal arachnoid cyst into three types: extradural without nerve root involvement; extradural with nerve root; and intradural. It is mostly located in mid- to lower thoracic. The causes and natural history of pediatric arachnoid cysts are unclear. They usually are associated with trauma, surgery, arachnoiditis, and neural tube defects. MRI is a useful diagnostic tool. We present two cases of extradural and intradural arachnoid cysts in children. The follow-up and surgical results are reviewed. The surgical therapy itself is straightforward. However, the wrong conclusion might cause a financial burden and may cause preventable sequel.
Time to bust common osteoarthritis myths
Authors: O'Brien Daniel W. , Chapple Cathy M. , Baldwin Jennifer N. , Larmer Peter J.
Published: May 2019

Several common beliefs about osteoarthritis held by people living with the condition and some clinicians are discordant with current evidence and can hinder effective management. Therefore, providing information about the disease and its mechanisms could lead to better management of people with osteoarthritis. This paper addresses the seven most common myths surrounding osteoarthritis relating to its causative factors, pathology, assessment and management. We present the evidence to refute these misconceptions and argue that physiotherapists are in an ideal position to provide education to people with osteoarthritis. Ultimately, physiotherapists can play a central role in the provision of care for people with osteoarthritis.
Persuasive technology and behaviour change in parent-focused eHealth interventions supporting child health: A scoping review protocol
Authors: Silva Mindy , Graham Fiona , Levack William , Hay-Smith E. Jean C.
Published: May 2019

eHealth interventions are widely used to support parents in managing children’s health behaviours and could be beneficial in supporting physiotherapy home programmes for children with cerebral palsy. The use of technology in health crosses several disciplines, and a conceptual analysis of techniques and models used by these different disciplines could better inform eHealth intervention design. This paper describes a scoping review protocol of parent-focused eHealth interventions using a novel approach to synthesise models from both the health and psychosocial sciences (behaviour change); and computer sciences (persuasive technology behaviour design), specifically the COM-B model and Fogg Behavior Model, respectively. In addition, this paper draws on the broader literature that addresses children with special healthcare needs due to a paucity of research specific to parentfocused eHealth interventions for children with cerebral palsy. The scoping review will follow Arksey and O’Malley’s (2005) five-step framework for conducting scoping reviews. This protocol details the search strategy, inclusion and exclusion criteria, data extraction, data mapping, and data synthesis. Results will be disseminated through publication and conferences supporting a rehabilitation and eHealth focus.
Conference Proceedings of Adaptation Futures 2018
Authors:   South African Adaptation Network, Petrik Dania , Ashburner Leslie , Addaney Michael
Published: May 2019

he Conference Proceedings are the product of the 2018 Adaptation Futures conference that was held in Cape Town from 18 – 21 June, co-hosted by UCT’s African Climate and Development Initiative (ACDI), the South African National Biodiversity Institute (SANBI) and UN Environment’s World Adaptation Science Programme (PROVIA). Adaptation Futures is the world’s premier international adaptation conference series and is held every two years. 2018 was the first time that this conference was held in Africa, and consequently, it aimed to focus on African and developing world linkages with adaptation. The extended abstracts were submitted after the conference to allow the authors to absorb the conference insights into their work.
OPTIMIZATION OF SUPPLY AND SALES ACTIVITIES OF THE ENTERPRISE THROUGH THE APPLICATION OF LOGISTIC PRINCIPLES
Authors: O. A. Hodoskina  , V. D. Anasovich
Published: May 2019

Purpose. Procurement is a very important field of activity for an industrial enterprise. Therefore, the purpose of this paper is to study it in detail and analyze possible ways to improve supply activities. Methodology. In the process of research, methods of comparison, scientific search, analysis and synthesis were used to study the supply and sales activities of an industrial enterprise. Findings. The article discusses the main logistic principles and the scope of their application on the example of the supply activities of an industrial enterprise for the production of upholstered furniture. For this purpose, several potential suppliers of material resources were assessed and a methodology for justifying the optimal choice of supplier was introduced. An industrial enterprise whose main activity is the production of upholstered furniture has been chosen as an object of consideration. Some of its main suppliers for similar types of products - perforated paper are considered. A comparative assessment of them was made according to the main influencing parameters - location, quality and assortment of the proposed material resources. In this case, the method of expert evaluation was used. Using the method of substantiating the optimal choice of supplier based on the basic principles of logistics from the proposed options, based on the results of the calculations, an optimal variant of the supply of materials for production is selected and the supplier is selected, the work with which is most beneficial for the enterprise in question. Options for obtaining discounts from a regular supplier and its impact on cost reduction were also considered. Originality. Based on the study of methodological sources and scientific developments in the field of logistics, the ways of optimizing the supply and marketing activities of the particular enterprise have been proposed. Practical value. Results of the study can be used for the evaluation of several potential suppliers of material resources for a particular enterprise and justification of the optimal choice of the best of them based on the use of logistic principles. This will reduce the cost of the enterprise associated with the organization of supplies necessary for the production of material resources. This opens up ways for an enterprise to increase its overall efficiency by optimizing work with suppliers.
HUMAN FACTOR INFLUENCE ON PERFORMING TECHNICAL MAINTENANCE AND REPAIR OF FREIGHT CARS
Authors: V. Y. Shaposhnyk
Published: May 2019

Purpose. The scientific work is aimed to: 1) study the indicators and criteria for evaluating the influence of human factor on failure-free operation of freight cars; 2) theoretically describe the probabilistic model of the human factor role during the maintenance and repair of freight cars according to technical state; 3) consider the model of situation development for the case of a critical defect of the freight car unit taking into account the human factor. Methodology. In order to achieve this purpose, the methodological approaches were considered: 1) to evaluation of the reliability indicators in the system «man – freight car» during maintenance and repair; 2) to evaluation of the level of traffic safety in case of transition from the existing system of maintenance and repair of freight cars to the system according to technical state. The model of the situation development for the case of a critical defect of the freight car unit with the consideration of the human factor was described. Findings. The approach to the evaluation of risk indicators of potential failures of freight cars is given. The probability of occurrence of negative events (risks) and possible economic damage from their manifestation were taken as the indicators. In the developed model of situation development for the case of a critical defect of the freight car unit with the consideration of the human factor, three possible states are shown: workable and limited workable, unworkable and emergency. Each initial state is characterized by the development of events, which is associated with designers` errors, with defects during manufacture of parts and units, with human factor. Originality. It is proposed to consider the value of the failure probability, which is related to the human factor, as a certain proportion of the overall probability of failure of the system «man – freight car». The interpretation of Harrington's desirability function for the case of application to freight cars is given. During maintenance and repair, it is suggested to introduce an indicator that characterizes the observance of the technology of use of maintenance services for freight cars, taking into account the human factor. Practical value. Based on the conducted research it is possible to evaluate the influence of the human factor on the maintenance and repair of freight cars. According to the developed model of situation development for the case of a critical defect it is possible to determine the critical level of the defect of the freight car unit taking into account the human factor to limit the risk of an accident or transport event.
FORMALIZATION OF ROLLING STOCK DISTRIBUTION PROCESSES BY USING DYNAMIC MODEL
Authors: D. V. Lomotko  , D. V. Arsenenko  , N. A. Nosko  , O. V. Kovalova
Published: May 2019

Purpose. The scientific article formalized process improving the efficiency of rolling stock distribution in railways for loading goods by introducing concentration of loading at the terminal by using a dynamic model. Methodology. According to the experience, the distribution of rolling stock by the infrastructure operator is a complex process. The questions on transport expeditionary service, working technologies of separate subjects of railway industry and the question of forming organization principles of running carriages with different patterns of ownership are considered. The system of rolling stock distribution based on logistical control principles on railways should meet the next methodological criteria: reduction of empty run and waiting time under one freight operation, forming the correct informative area for all participants of the transportation, arranging conditions for rapid and maximally profitable decision-making as for the further movement of the rolling stock. Findings. Created a list of the necessary conditions under which there must be a dynamic development of the transport sector and meet the current market requirements. The algorithm and process logistic control allocation of railway rolling stock are considered. Proved that relationship between the participants of the transportation process of initial conditions for reform be composed based on non-discriminatory access to cargoes resources. Originality. The work of dispatcher staff in transportation process management as an employee of the transportation department in terms of demand for rolling stock at all stages of transportation management analyzed. For the first time proposed a dynamic model, that reproduces the information field for all participants in traffic. It established that the railways have to create a system of distribution of rolling stock, which must meet the following criteria: reduction in empty mileage and waiting time under one cargo operation; create conditions for rapid and most profitable decision for further movement of rolling stock. Practical value. Application of the developed method of rolling stock distribution for the formation of unit trains will significantly reduce the logistics costs in the supply chain and increase its competitiveness in foreign markets. The development of such a system is intended to create a truly independent regulator of the logistic – transportation process in the conditions of creation of the unified information space.
SIMUALTION MODEL FOR EVALUATING THE CARRYING CAPACITY OF RAILWAYS
Authors: V. І. Bobrovskyi  , R. G. Korobyova  , V. О. Balanov
Published: May 2019

Purpose. The main purpose of the article is to improve the simulation model of railway direction to evaluate the use of carrying capacity by separate trains. Methodology. The paper deals with the evaluation of the carrying capa-city of railways used at the railways of Ukraine, the European Union, and the USA. It is noted that the reform of the railway transportation market will cause an increase in the quality requirements for the evaluation of the carrying capacity used by trains of various carriers. As the main method for evaluating the carrying capacity in the work, the methods of traction calculations, the organization of movement at railway transport and simulation modeling were used. Findings. The authors developed a simulation model of the railway direction, which reflects both the structure and the interaction of its individual elements. The model includes train model, model of railway infrastructure, mo-del of traffic management, information model. Simulation of the direction functioning is carried out by stages. At the first stage, the movement simulation of single trains is performed. At the second stage, occupation coordination of the railway infrastructure of stations and runs by trains is carried out. Departure of trains to the run is carried out with the possibility of ensuring the permissible intervals between the data, as well as the previous and subsequent trains, the developed model is implemented in the form of the «Traffic Schedule» program. Originality of the work lies in the fact that it proposes an improved simulation model of the railway direction, which reflects the process of trains passing through the sections and railway stations and makes it possible to evaluate the influence of the carrying capacity use degree on the train movement duration. Practical value. The results obtained in this work allow us to estimate the influence of trains that run according to schedule on the conditions for passing the trains that run without schedule.
A casa como espaço do cuidado: as práticas em saúde de Agentes Comunitários de Saúde em Montes Claros (MG)
Authors: Santana Vagner Caminhas , Burlandy Luciene , Mattos Ruben Araujo de
Published: May 2019

RESUMO O presente estudo teve como objetivo analisar as práticas de atenção à saúde desenvolvidas por Agentes Comunitários de Saúde (ACS), no âmbito da visita domiciliar, com famílias atendidas pela Estratégia Saúde da Família (ESF), no município de Montes Claros (MG). Estudos no campo da promoção da saúde vêm indicando que tais práticas podem assumir, por vezes, posturas mais prescritivas, disciplinares, culpabilizantes, normativas, voltadas mais diretamente para a mudança comportamental do indivíduo, ou, de forma distinta, podem ser mais dialógicas e interativas na relação com as famílias atendidas, pautadas em uma concepção de atenção integral em saúde. O presente estudo analisou as práticas dos ACS com o objetivo de compreender como eles vêm abordando aspectos da vida privada e da dimensão pública do processo em saúde e quais as distintas posturas que adotam nas interações com as famílias. Foram realizadas entrevistas semiestruturadas com usuários da ESF e ACS de três equipes, e observadas 20 visitas domiciliares realizadas pelos ACS no ano de 2013. Concluiu-se que as práticas dos ACS assumem, por vezes, características que apontam para a imposição de um saber-poder biomédico e, por outras, que consideram aspectos da subjetividade do indivíduo/comunidade.
Sobre uma política de ciência e tecnologia para a saúde
Authors: Guimarães Reinaldo
Published: May 2019

RESUMO Frente ao conjunto de políticas de ciência e tecnologia existentes no Brasil, o texto reivindica um olhar diferenciado sobre a política de pesquisa em saúde. Isso decorre de sua magnitude física, de sua tradição histórica e de sua articulação com uma política pública de saúde na qual a intersetorialidade é valorizada. O texto se divide em três partes, precedidas de uma advertência sobre o impacto da conjuntura atual do País sobre a política geral de ciência e tecnologia. Em primeiro lugar, propõe uma abordagem metodológica para a definição das fronteiras da pesquisa em saúde. Em seguida, reivindica para o campo da saúde coletiva um papel de protagonismo na construção dessa política. Finalmente, apresenta e discute alguns desafios atuais postos para a política.
ANTECEDENTS AND CONSEQUENCES OF MEANINGFUL WORK
Authors: ONÇA SILVANIA S. , BIDO DIÓGENES S.
Published: May 2019

ABSTRACT Purpose: This study assesses the influence of the importance of work and of creative self-concept on meaningful work and the influence of meaningful work on the employability of unemployed people living in the Southeast region of the State of Pará, in Brazil, aiming at a new job. Originality/value: This study also contributes to the literature, offering three new valid and reliable measuring instruments for the following constructs: Creative self-concept, Importance of work and Meaningful work. Design/methodology/approach: The survey counts on the participation of 206 interviewees, and data were analyzed through confirmatory factorial analysis and structural equation modeling. Findings: The ten constructs used in the model showed convergent validity, discriminant validity, and adequate reliability. In structural modeling, all three possibilities were confirmed, so the creative self-concept and the importance of work explain 68% of the variance in meaningful work and, on its turn, meaningful work explains 67% of the variance in employability, in both cases, the explanatory power is great for the standards of behavioral sciences. This study makes a special contribution to address the importance of meaningful work in career counseling programs for unemployed people. It seems useful to point out a career orientation focused on meaningful work, aiming at increasing employability, as individuals with positive self-assessments are more likely to achieve a successful carrier based on personal effort. Nationally, such knowledge may foster public policy programs directed to unemployed people, focusing on their career.
Evaluation of forest inventory processes in a forest under concession in the southwestern Brazilian Amazon
Authors: KAUAI Felipe , CORTE Ana Paula Dalla , CYSNEIROS Vinicius , PELISSARI Allan Libanio , SANQUETTA Carlos Roberto
Published: May 2019

ABSTRACT Forest inventory procedures are of utmost importance to studies of wood volume stocks, and forest structure and diversity, which provide relevant information to public policies, management plans and ecological research. The present work focused on the performance of inventory techniques in the Amazon region to evaluate wood volume stocks with higher levels of accuracy while maintaining sampling intensity fixed. Two sampling processes were assessed: simple random sampling and two-stage cluster sampling. The processes were evaluated through the allocation of sampling units with different dimensions, and the effectiveness of the generated estimators was analyzed as a function of stand density and basal area. Simple random sampling resulted in the smallest errors, reaching 9% when all species were sampled together. The method depicted forest phytosociological parameters with greater sensitivity, whereas two-stage cluster sampling produced the least accurate estimators and presented slower responses to variation in phytosociological parameters.
First report of Myxobolus (Cnidaria: Myxozoa) spores in human feces in Brazil
Authors: REIS Lisiane Lappe dos , JESUS Lucas Carvalho de , FERNANDES Ormezinda Celeste Christo , BARROSO David Eduardo
Published: May 2019

ABSTRACT Most species of Myxobolus (Cnidaria: Myxozoa) infect freshwater and marine fish, and cause sporozoosis. Passage of myxozoan parasites into human feces has been described occasionally. We examined fecal samples from 97 dwellers of a riverine community in Amazonas State (Brazil), which revealed Myxobolus sp. in 13 (13%) samples. The discovery probably does not represent true parasitism as the myxospores - most likely ingested through the consumption of infected fish - were eliminated unchanged after passing through the gastrointestinal tract. This discovery represents the first report of this myxosporean in human fecal samples in Brazil.
Does hypersensitive teeth show pulp inflammation?
Authors: FAGUNDES-DE-SOUZA Daniele Paraguassú , NAPIMOGA Marcelo Henrique , SOARES Andresa Borges , ARAÚJO Vera Cavalcanti , TURSSI Cecilia Pedroso
Published: May 2019

ABSTRACT Objective: This study investigated the presence of inflammatory response in the dental pulp of rats showing hypersensitive dentin, induced by erosive episodes. Methods: Sixteen Wistar rats were fed with commercial sucrose-free pellet diet for 12 hours; whereas the food was removed during the remainder of the day, and the animals received mineral water or a lemon-based sucrose-free soft drink, according to the group to which they belonged. Eight animals consumed the soft drink to induce hypersensitivity, while the other 8 animals received mineral water (control). After six weeks, the animals were euthanized, the mandible was removed and subjected to a median incision in the sagittal plane, to obtain right and left hemimandibles. The slides stained with hematoxylin-eosin were analyzed using light microscopy. Results: Histological evaluation of the control and experimental groups revealed no inflammatory process in the pulp tissue, and the presence of inflammatory cells, such as lymphocytes, plasma cells, eosinophils and macrophages, was not observed. In addition, there was no edema or dilated and congested blood vessels. The Mann-Whitney test showed no significant difference (p = 1.000) between the experimental and the control groups. Conclusion: In the animal model used, dentin hypersensitivity does not trigger dental pulp inflammatory response.
Candida on oral cavity of pediatric individuals with ALL and its susceptibility to nystatin and amphotericin B
Authors: MONTEIRO Larissa Cavalcanti , RIBEIRO Isabella Lima Arrais , BATISTA Roberta Ferreti Bonan Dantas , MACIEL Panmella Pereira , VALENÇA Ana Maria Gondim , DULGHEROFF Ana Carolina Bernardes , SOUZA Joelma Rodrigues , CAVALCANTI Yuri Wanderley , CASTELLANO Lucio Roberto Cançado , BONAN Paulo Rogério Ferreti
Published: May 2019

ABSTRACT Objective: The aim of this study was to evaluate the prevalence of Candida colonizationon oral cavity of pediatric individuals with acute lymphocytic leukemia (ALL) and its susceptibility/resistance to nystatin and amphotericin B. Methods: This was a cross sectional study with observational, descriptive and analytic approach. Saliva was collected from40 individuals diagnosed with ALL and from40 healthy subjects, as a comparative group, matched by age and gender with ALL group. The mean age for both groups were 8 years-old. The isolation and identification of the Candidaspecies were performed using the CHROMagarCandidaTM and confirmed by polymerase chain reaction. The samples were subjected to antifungal susceptibility by microdilution assay for nystatin and amphotericin B. Salivary alterations and chemotherapy-induced oralmucositis were evaluated using modifiedOral Assessment Guide. Results: The positivity to Candida was higher inALL individuals (32.5%,13/40)than in a comparative group(2.5%, 1/40) (p<0.001). Candida albicans was the most prevalent strain (86.6%). The mucositis was directly associated with positive Candidacolonization (p=0.017) in the ALL group but not related with salivary alterations (p= 0.479). Six strains of C. albicans (54.5%), on ALL group, were resistant to nystatin and all strains were not susceptible to amphotericin B. Conclusion: Candida colonization was associated with ALL condition and with oral mucositis in these individuals. C. albicans was the prevalent strain and most samples were resistant to antifungal agents tested, nystatin and amphotericin B.
Professional Development: Proposition of a Trans-occupational Model from a Qualitative Study
Authors: Fernandes Helenita de Araujo , Mourão Luciana , Gondim Sônia Maria Guedes
Published: May 2019

Abstract Knowing the perceptions of people from different professions about their professional development is one of the current changes in the field of Labor Psychology. The objective of this study was to construct a Trans-occupational theoretical model of professional development based on the grounded theory. To this end, 25 interviews were conducted in depth with five professional categories, namely: lawyers, entrepreneurs, engineers, physicians and psychologists. Data collection instrument was an open script for interviews, which were then recorded and transcribed. Analysis of results was supported by the software Alceste. Results point to similarities and specificities in the career trajectories inter-professions, and we opted for the non-inclusion of entrepreneurs in the model due to their significant difference when compared to the other categories. As a conclusion, we proposed a trans-occupational model of professional development with five key elements: Work Context, Motivation, Training/Learning, Relational Elements and Lived Experiences. The model, although it requires research for validation, offers relevant contributions and reflections to professionals and researchers working in the area.
Differential Tolerance of Clones of Eucalyptus grandis Exposed to Drift of the Herbicides Carfentrazone-Ethyl and Glyphosate
Authors: SANTOS S.A. , TUFFI-SANTOS L.D. , ALFENAS A.C. , FARIA A.T. , SANT’ANNA-SANTOS B.F.
Published: May 2019

ABSTRACT: Drift of the herbicides carfentrazone-ethyl and glyphosate may affect the initial growth of eucalyptus. This study aimed to assess the effect of carfentrazone-ethyl and glyphosate drift on photosynthesis, leaf morphoanatomy, and initial growth of two clones of Eucalyptus grandis. Two experiments were carried out in a 2 x 4 factorial scheme, in which factor 1 was represented by two clones of E. grandis and factor 2 by four herbicide underdoses (control, 86.4 g a.e. ha-1 of glyphosate, 3.0 g a.e. ha-1 of carfentrazone-ethyl, and the mixture of 86.4 g a.e. ha-1 of glyphosate + 3.0 g a.e. ha-1 of carfentrazone-ethyl). Herbicide application was carried out by simulating the drift in the lower third of seedling canopy. Assessments were performed 23 days after herbicide application. Both clones presented morphoanatomical changes such as erosion of epicuticular waxes and degeneration of epidermal and parenchymal cells, especially when exposed to carfentrazone-ethyl underdose or its mixture with glyphosate. The clone CLR 383 was the most affected by the tested herbicides and presented the highest injury, lowest initial growth, lowest dry matter, and highest reduction of photosynthetic rate when treated with herbicide mixture, followed by carfentrazone-ethyl and glyphosate underdoses. The initial growth, dry matter, and photosynthesis of the clone CLR 384 were not affected by the carfentrazone-ethyl underdose. Thus, both herbicides applied in isolation or in a mixture reduced the initial growth, dry matter, and photosynthesis of eucalyptus.