bluuebunny/crossref_metadata_2025 huggingface dataset:
Stakeholders, fatores críticos de sucesso e geração de valor em parcerias público-privadas
Authors: Menezes David Curtinaz , Vieira Diego Mota
Published: March 2022

Resumo Este estudo tem como objetivo analisar o papel dos stakeholders na geração de valor em parcerias público-privadas no Brasil, considerando suas motivações e os fatores críticos que determinam o sucesso desse tipo de colaboração. Para tanto, foram analisadas parcerias dos governos federal, estaduais e municipais por meio da análise de conteúdo de documentos e entrevistas com representantes dos setores público e privado envolvidos. A identificação dos stakeholders foi feita mediante a utilização simultânea de modelos que permitem demonstrar os múltiplos papéis desempenhados pelos atores na formulação e na implementação de políticas públicas (R. C. Gomes et al., 2010), seu potencial de ameaça ou de cooperação (Savage et al., 1991) e seu grau de saliência (Mitchell et al., 1997). Além disso, foram identificados os fatores críticos de sucesso, os elementos de valor e os fatores determinantes para a cooperação mais recorrentes nessas parcerias. Ademais, foi proposto um modelo de análise que permite a identificação de tais elementos, a fim de possibilitar que o tomador de decisão trace uma estratégia para lidar com eles.
Lógicas institucionais do policiamento comunitário: esquema analítico e agenda de pesquisa para o contexto brasileiro
Authors: Ferreira Daniel Victor de Sousa , Rossoni Luciano , Oliveira Cintia Rodrigues de
Published: March 2022

Resumo Modelos de policiamento comunitário vêm sendo disseminados em diferentes países como resposta aos altos índices de criminalidade e violência. Apesar da ampla defesa da efetividade de tais modelos, há dúvidas acerca de sua efetividade e do que, de fato, se trata o policiamento comunitário. Olhando como fenômeno, o policiamento comunitário se mostra híbrido, multifacetado e com várias contradições entre o que é idealizado e o que é efetivamente posto em prática, dificultando sua compreensão. Neste ensaio, propomos um esquema analítico metateórico pautado na ideia de que o policiamento comunitário é regido por quatro tipos puros de lógicas institucionais - militar, profissional, gerencial e comunitário -, em que a interseção entre tais lógicas ajuda a compreendê-lo. Com base nesse esquema, enquadramos as pesquisas sobre o tema em elementos societários e culturais, ambientais, organizacionais, práticos e identitários, buscando delinear uma agenda de pesquisa acerca do policiamento comunitário.
Capacidades estatais e mineração: uma análise da agência nacional de regulação
Authors: Euclydes Fillipe Maciel , Macedo Alex dos Santos , Macedo Suélem Viana , Valadares Josiel Lopes
Published: March 2022

Resumo O objetivo deste trabalho é analisar a capacidade administrativa da Agência Nacional de Mineração (ANM), responsável por regular a política mineral brasileira. Para tanto, foram realizadas pesquisas documental e bibliográfica de cunho qualitativa. Coletaram-se e analisaram-se diferentes indicadores organizacionais por meio de consulta a relatórios oficiais de gestão, auditorias de órgãos de controle, bem como relatórios de Comissões Parlamentares. Sob um cenário no qual as capacidades administrativas deveriam ter sido robustecidas (2003-2020), os resultados demonstraram, de forma contraintuitiva, a contínua debilidade organizacional da autarquia. Evidenciou-se um quadro que conjuga restrição de servidores disponíveis, diminuição no orçamento discricionário, déficit na infraestrutura patrimonial e móvel, além de sistemas tecnológicos defasados. A baixa autonomia na alocação de recursos foi identificada como um dos mecanismos que explicam essas fragilidades. Em conjunto, tais condições - escassez de recursos e autonomia - contribuem para o baixo desempenho na regulação dos processos minerários e nas atividades de fiscalização e controle da mineração, podendo resultar em perda de arrecadação pública, riscos de novos desastres e ampliação da mineração ilegal.
Laparoscopic appendicectomy without the use of disposable materials - a low-cost alternative - 1,552 cases operated in 20 years
Authors: DOMENE CARLOS EDUARDO , VOLPE PAULA , SANTANA ANDRÉ VALENTE
Published: March 2022

ABSTRACT Introduction: Laparoscopic appendectomy does not have a single protocol on its technical systematization, access routes, and use of energy and staplers. The cost of disposable materials can prevent its widespread use. Alternatives to decrease cost can help disseminate the laparoscopic access to appendectomy. Objective: to introduce a low-cost laparoscopic appendectomy method with good aesthetic results through the location of incisions; to show its viability through its application in 1,552 cases of laparoscopic appendectomy operated between 2000 and 2019 with three portals and very low-cost regarding materials used. Methods: we applied three punctures - an umbilical one for the camera (5 or 10mm in diameter), a 10mm puncture in the right iliac fossa, and one 5mm puncture in the left iliac fossa. The materials used were permanent use trocars, grasping forceps, hook, scissors, and needle holder, without the need for any disposable device. Results: 1.552 patients were operated between 2000 and 2019, 56.2% being female, mean age 32.66 years (9-93), average hospital stay of 1.74 days (1-10), and median of 1.2 days. Conclusion: the technique we describe uses three metallic trocars and four permanent instruments, in addition to a single cotton suture. It is, therefore, a very low-cost laparoscopic procedure. Its application has shown good results and low morbidity, which may become the preferred indication for laparoscopic surgery in the treatment of acute appendicitis.
Tools and scores for general and cardiovascular perioperative risk assessment: a narrative review
Authors: MORAES CAIO MAZZONETTO TEÓFILO DE , CORRÊA LUISA DE MENDONÇA , PROCÓPIO RICARDO JAYME , CARMO GABRIEL ASSIS LOPES DO , NAVARRO TULIO PINHO
Published: March 2022

ABSTRACT The number of surgical procedures in the world is large and in Brazil it has been expressing a growth trend higher than the population growth. In this context, perioperative risk assessment safeguards the optimization of the outcomes sought by the procedures. For this evaluation, anamnesis and physical examination constitute an irreplaceable initial stage which may or may not be followed by complementary exams, interventions for clinical stabilization and application of risk estimation tools. The use of these tools can be very useful in order to obtain objective data for decision making by weighing surgical risk and benefit. Global and cardiovascular risk assessments are of greatest interest in the preoperative period, however information about their methods is scattered in the literature. Some tools such as the American Society of Anesthesiologists Physical Status (ASA PS) and the Revised Cardiac Risk Index (RCRI) are more widely known, while others are less known but can provide valuable information. Here, the main indices, scores and calculators that address general and cardiovascular perioperative risk were detailed.
Efeito de guia para raciocínio clínico na acurácia diagnóstica de estudantes de enfermagem: ensaio clínico
Authors: Maurício Aline Batista , Cruz Elaine Drehmer de Almeida , Barros Alba Lucia Bottura Leite de , Tesoro Mary Gay , Lopes Camila Takao , Simmons Anne Marie , Lopes Juliana de Lima , Guandalini Lidia Santiago
Published: March 2022

Resumo Objetivo avaliar o efeito do Guia Autoinstrucional para Raciocínio Clínico na acurácia diagnóstica de estudantes de Bacharelado em Enfermagem. Método ensaio clínico randomizado, paralelo, duplo cego (pesquisadores e avaliadores dos desfechos), realizado com graduandos de Enfermagem. Aplicaram-se, em duas fases, estudos de caso validados para a identificação de diagnóstico de enfermagem/problema do paciente, etiologia e pistas, sendo utilizado o Guia com o grupo intervenção na segunda fase. Os desfechos - acurácia diagnóstica, etiológica e número de pistas - foram avaliados por meio de rubricas validadas. Para análise, utilizou-se estatística descritiva para dados demográficos; teste exato de Fisher para similaridades na educação prévia e confiança; teste de Mann-Whitney para idade; teste ANOVA não paramétrico na avaliação da hipótese de diferenças no desempenho. Resultados amostra final composta por 24 estudantes no grupo controle e 27 no intervenção; sem diferença quanto ao sexo, idade e educação. Houve diferença para acurácia diagnóstica (p=0,041) e etiológica (p=0,0351) no grupo intervenção, mostrando efeito negativo da utilização do Guia. Conclusão a autoinstrução implementada uma única vez não foi efetiva em impactar a acurácia diagnóstica de estudantes solucionando estudos de caso. A aplicação repetida do Guia como ferramenta didática pode ser efetiva para melhorar tal desfecho. REBEC: RBR-4bhr78.
Sintomas psicopatológicos e situação laboral da enfermagem do Sudeste brasileiro no contexto da COVID-19
Authors: Alves Jheynny Sousa , Gonçalves Angelica Martins de Souza , Bittencourt Marina Nolli , Alves Verônica de Medeiros , Mendes Darcio Tadeu , Nóbrega Maria do Perpétuo Socorro de Sousa
Published: March 2022

Resumo Objetivo avaliar a relação entre sintomas psicopatológicos e a situação laboral de profissionais de enfermagem da Região Sudeste do Brasil, no contexto da pandemia da COVID-19. Método estudo observacional e transversal com coleta de dados virtual e por meio de snowball nos meses de abril a julho de 2020. Aplicou-se um questionário contendo dados sociodemográficos, laborais e a escala de avaliação de sintomas psicopatológicos (psicoticismo, obsessividade/compulsividade, somatização e ansiedade). Foram utilizadas estatísticas descritivas e inferenciais para a análise dos dados. Resultados entre os 532 participantes, verificou-se relação entre carga horária de trabalho semanal e psicoticismo. Todos os domínios da escala associaram-se ao constrangimento e/ou violência no percurso de trabalho e recebimento de suporte psicológico/emocional da instituição onde o indivíduo trabalha/estuda. Conclusão a faixa etária, carga horária elevada, violência vivenciada e falta de suporte psicológico durante a pandemia associaram-se com o aumento dos sintomas psicopatológicos entre os profissionais de enfermagem. Sugere-se a criação de diretrizes institucionais voltadas ao acolhimento e acompanhamento dessas demandas.
Effect of season and housing systems on various physio-behavioral attributes of local breed of rabbits (Oryctolagus cuniculus) in Southern Punjab, Pakistan
Authors: Khan A. , Lashari M. H. , Farooq U.
Published: March 2022

Abstract The present study was conducted to investigate the effect of season and various housing systems on behavioral i.e. sitting, standing, walking and physiological i.e. respiratory rate (RR), rectal temperature (RT), time of sexual libido (TSL) attributes of local breed of rabbits reared in Southern Punjab, Pakistan. Adult rabbits (n = 40) of 6 month to 1 year old were divided into two groups (n = 20 / group). Group I was placed under traditional colony system in the soil while group II was kept under modern cage system. Sitting and standing was significantly (p ≤ 0.05) higher during summer and winter respectively. The RR and RT were significantly (p ≤ 0.05) higher in summer as compared to other study seasons. Standing behavior was significantly (p ≤ 0.05) higher in caged rabbits as compared to colony-reared ones. Statistically higher (p ≤ 0.05) TSL value was observed in summer as compared to other three study seasons. From this study it is concluded that rabbit’s behavioral and physiological traits are significantly affected by season and housing systems. We concluded that rabbits show better physio-behavioral performance in autumn and winter season while summer stress negatively affects physiology and behavior under caged-system. This study could contribute new aspects of behavioral and physiological processes in local breed of rabbits due to different seasons and housing systems.
Anuran species composition and density estimates from an Atlantic Forest area within the APA Serra da Mantiqueira, Rio de Janeiro state, Brazil
Authors: Siqueira Carla Costa , Vrcibradic Davor , Kiefer Mara Cíntia , Almeida-Gomes Mauricio , Nogueira-Costa Paulo , Borges-Junior Vitor Nelson Teixeira , Sluys Monique Van , Rocha Carlos Frederico D.
Published: March 2022

Abstract: Among amphibian species from high elevation areas in the Brazilian Atlantic Forest there is a high percentage of threatened and endemic species, but there is still a relative scarcity of local inventories for these organisms. Here, we present data on anuran composition, relative abundance and estimated densities for leaf-litter frogs from an Atlantic Forest area within the APA Serra da Mantiqueira, in Rio de Janeiro state, Brazil, based on results of a short-term survey carried out at altitudes of 1,350-1,750 m, in November 2005 (with additional records from surveys made in 2010 and 2011). Three sampling methods were used during the 2005 survey: plot sampling, visual encounter surveys (VES; performed during the day, at the dusk, and at night), and pitfall traps with drift fences; only non-standardized visual searches were employed during the 2010 and 2011 surveys. We recorded 24 species, with the direct-developer Ischnocnema sp. (gr. lactea) being the most abundant. Most anurans (90% of all individuals) sampled by VES were captured during the crepuscular and nocturnal periods. The estimated density of the local leaf-litter frog assemblage based on plot sampling was 18.4 ind/100 m2, which is one of the highest values currently reported for Atlantic Rainforest areas. This is the first study analyzing the anuran fauna composition of an Atlantic Forest area within the APA Serra da Mantiqueira and adds to the body of knowledge on the fauna of the southern region of Rio de Janeiro state.
Survival of patients with advanced cancer in Enteral Nutritional Therapy: a comparison between caloric estimates
Authors: WANDERLEY Brenda Domingues , SANTOS Rosane de Souza , COSTA Mariana Fernandes
Published: March 2022

ABSTRACT Objective To assess factors related to the achievement of the caloric estimates of enteral nutritional therapy and the survival of patients with advanced cancer in exclusively palliative care. Methods Retrospective study, where patients using enteral nutrition admitted from March 2019 to February 2020 were divided into two groups: Group 1 included patients who reached 75% of the estimated caloric goals, and Group 2 included those who did not. The data were extracted from the patients’ electronic medical records. Logistic regression analyzes were performed to assess associations between the studied sociodemographic, clinical, and nutritional variables, and the Kaplan-Meier curve and Cox regression were used to assess the survival of the groups. Results A total of 158 patients participated in the study, with a median age of 63 (IIQ: 55-70) years. 57% reached the caloric goal (Group 1). In the logistic regression, the functional capacity (OR: 5.82; CI: 2.28-14.84; p<0.001) and symptoms of nausea or vomiting (OR: 0.050; CI: 0.005-0.455; p=0.008) were independent variables for achieving the caloric goal. Cox regression showed Karnofsky Performance Status as an independent predictor for survival (HR: 1.85; CI: 1.13-3.04). Conclusion Patients with better functionality have longer survival and are potential candidates for reaching the caloric goals proposed by national and international guidelines for cancer patients.
Evaluation of the cephalometric centroid point in individuals before and after the pubertal growth peak
Authors: LEE Joana Seung Ae , SUZUKI Hideo , COSTA Alana Binda Silva , GARCEZ Aguinaldo Silva , SUZUKI Selly Sayuri
Published: March 2022

ABSTRACT Objective: The purpose of this study was to evaluate the behavior of the Centroid point, known as the geometric center of the face, before and after the growth peak using lateral cephalometric x-ray. Methods: Sample consisted of 40 patients before and after pubertal peak of growth selected from the archive of the São Leopoldo Mandic Institute and Research Center, Campinas, Brazil. Anatomical structures, reference points, lines and planes were traced, and posteriorly a superimposition was performed using the palatal plane and a line perpendicular to this passage through the most posterior point of the pterygomaxillary fossa as reference. Later, the distance between the two centroid points (before and after the peak of puberty) was measured using the digital caliper, both horizontally and vertically. The palatal plane (x-axis) and a line perpendicular to this passage through the most posterior point of the pterygomaxilary fossa (y-axis) were chosen because they undergo minimal changes during growth. Results: No significant difference on the location of Centroid points on both X and Y axis (p >0.05) were observed between before and after the growth peak cephalometric tracings, showing an average change in positioning of 0.36mm on the X axis and 0.37mm on the Y axis. Conclusions: For this reason, this point can be indicated to be used clinically as a stable reference to evaluate craniofacial growth while performing superimposition methods.
Protocol of dental biofilm control employed by the discipline of primary healthcare at the Federal University of Ceara, Brazil
Authors: FIRMEZA Luiza Maria Dias , SILVA Eugenira Ferreira , CAMPOS Maria Renir , LUZ E SILVA Antônio Sergio , MOURA Walda Viana Brígido de , TEIXEIRA Ana Karine Macedo
Published: March 2022

ABSTRACT Objective: The objective of the study was to investigate the effectiveness of a protocol of dental biofilm control designed based on an active learning strategy. Methods: A cross-sectional study was carried out with secondary data. The sample consisted of 42 patient records. Information about the patient´s knowledge, perception of oral health, and motor coordination was collected before and after the implementation of the protocol. The plaque index was used to evaluate the oral hygiene level of the patients. Results: At the first evaluation, the results of knowledge and perception were better than the ones of motor coordination. It was also observed a significant increase in the satisfactory percentages for the use of toothbrush and dental floss when comparing the first to the final evaluation. Moreover, there was a significant decrease in the plaque index through the appointments. There were no significant differences in the decrease of plaque index when comparing different genders and ages. However, there was a greater increase of satisfactory scores regarding oral health habits among men and younger age group. Conclusions: There was a significant reduction in the plaque index and an increase in the adoption of satisfactory health habits through the appointments. Although the decrease in plaque index was significant, it was still high, suggesting the need for a higher number of follow-up appointments to reinforce oral health habits.
Tracking the evolutionary pathways among Brazilian Lebiasina species (Teleostei: Lebiasinidae): a chromosomal and genomic comparative investigation
Authors: Leite Priscila Polaquini de Macedo , Sassi Francisco de Menezes Cavalcante , Marinho Manoela Maria Ferreira , Nirchio Mauro , Moraes Renata Luiza Rosa de , Toma Gustavo Akira , Bertollo Luiz Antonio Carlos , Cioffi Marcelo de Bello
Published: March 2022

Abstract Despite several difficulties in chromosomal analyses of small-sized fishes, the cytogenetics of the Lebiasinidae was largely improved in the last years, showing differential patterns in the chromosomal evolution inside the family. In this context, it has been shown that genus Lebiasina preserves its karyotypic macrostructure, composed of 2n = 36 chromosomes, whereas the other genera generally present higher 2n. This study focused on the comparative cytogenetics of three Lebiasina species, one of them analyzed here for the first time, using conventional and molecular procedures. The results reinforced the differentiated evolutionary path of the genus Lebiasina while, at the same time, highlighted the genomic particularities that have accompanied the evolution of each species. In this sense, the repetitive components of the genome played a significant role in the differentiation of each species. It is also notable that L. minuta and L. melanoguttata, the two species that occur exclusively in the Brazilian territory, show greater chromosomal similarities to each other than to the trans-Andean sister species, L. bimaculata.
Vegetative development and biomass production of Sesbania herbacea in a wet floodplain environment
Authors: Pimenta Leandro Barbosa , Oliveira Matheus Messias de , Salvador Moisés Gomes
Published: March 2022

ABSTRACT Green manure provides countless benefits to the chemical, physical and biological quality of soils. This study aimed to evaluate the Sesbania herbacea potential, regarding growth and biomass production parameters, as a green manure option in wet floodplain environments. A completely randomized experimental design was used, with measurements repeated over time and six replications. The parameters were evaluated every 20 days (20, 40, 60, 80, 100 and 120 days after emergence - DAE), namely: mean plant height, root and shoot fresh and dry matter biomass, and total plant matter biomass. The legume showed a good development in soil under waterlogged condition, which led to high amounts of phytomass accumulation (approximately 139 t ha-1 of total plant matter biomass and mean height of 4 m at 120 DAE).
EFECTIVIDAD DE LAS COMUNIDADES DE APRENDIZAJE EN LA INCLUSIÓN EDUCATIVA Y SOCIAL. UNA REVISIÓN SISTEMÁTICA
Authors: Escuder Celia Soriano , Mínguez Raúl Tárraga , Cerezuela Gemma Pastor
Published: March 2022

RESUMEN Las Comunidades de Aprendizaje (CdA) son un proyecto implementado en numerosos países cuya finalidad es mejorar el rendimiento del alumnado y promover la inclusión a través de la implicación de los familiares en los centros, los grupos interactivos, las tertulias literarias dialógicas, la organización del profesorado y de los recursos del centro y el mantenimiento de altas expectativas para todo el alumnado. Este trabajo revisa 16 artículos empíricos publicados en las dos últimas décadas en torno a la efectividad de las CdA. Concretamente se analizan las características de los participantes, la metodología, los instrumentos de cada estudio. Las conclusiones apuntan a un incremento del rendimiento académico del alumnado y una mejora de la cohesión social, como principales efectos de las CdA
QUEM A SOCIEDADE DE CONTROLE PRETENDE FORMAR?
Authors: Back Rainri
Published: March 2022

RESUMO Este é um ensaio de filosofia da educação e se propõe mostrar qual ser humano a sociedade de controle pretende formar. Ele parte de uma concepção filosófica de educação, definida na introdução. Então, busca compreender a diferença entre moldagem e modulação – fundamental para a diferença entre disciplina e controle. Só então é possível explicar por que a sociedade de controle supre as deficiências da sociedade disciplinar. A sociedade de controle exprime sua forma em máquinas computacionais que, em rede, tornaram onipresentes os algoritmos. Seu poder de modulação é infinitamente mais contínuo e variável quando comparado à disciplina. Logo, resta saber qual perfil humano tais máquinas almejam formar. Por fim, é necessário esclarecer por que o controle, em vez do esgotamento, caracteriza melhor a sociedade do século XXI.
NO LUGARES, ESCUELA E IDENTIDAD: LA PERFORMANCE COMO HERRAMIENTA EDUCATIVA
Authors: Martínez-Vérez María V. , Albar-Mansoa Javier , Pallarès-Piquer Marc
Published: March 2022

RESUMEN El presente trabajo considera que el sistema educativo no se ha adaptado a los cambios sociales, que exigen de una educación centrada en los procesos colaborativos. Para comprobar la hipótesis anterior, los autores aplican, en un contexto social y temporal determinado, la práctica discursiva y de producción de sentido, con el fin de que la percepción objetiva de la organización escolar dé paso a la duda fenomenológica y a la construcción de un nuevo discurso que responda a las demandas actuales. Los resultados obtenidos en el marco de este estudio evidencian que, atendiendo al diseño del espacio físico y virtual, en la organización escolar conviven dos discursos: el democrático, que pretende dar lugar al alumnado y el transmisivo, que impone o legitima un sistema social.
TRABALHO DOCENTE NO ENSINO SUPERIOR: ANÁLISE DA PRODUÇÃO CIENTÍFICA PUBLICADA NO BRASIL (2010-2019)
Authors: Gemelli Catia Eli , Closs Lisiane Quadrado
Published: March 2022

RESUMO Este artigo tem por objetivo mapear e analisar o estado da arte da produção acadêmica sobre trabalho docente no Ensino Superior publicada no Brasil na última década (2010-2019), em artigos científicos indexados na base de dados Scientific Electronic Library Online (SciELO). Por meio de uma revisão sistemática, foram analisados aspectos quantitativos e qualitativos da literatura, com uso de técnicas bibliométricas e de análise de conteúdo. Os resultados indicam predomínio de pesquisas sobre formação e avaliação da docência universitária; saberes e práticas docentes; precarização, condições e relações de trabalho docente. Esse panorama contribui para a identificação de tendências e lacunas teóricas e para a proposição de uma agenda potencial para avanço da pesquisa brasileira.
A DIMENSÃO CONSTITUTIVA DO MEIO: IMPLICAÇÕES POLÍTICAS E PRÁTICAS EM EDUCAÇÃO ESPECIAL
Authors: Dainez Débora , Smolka Ana Luiza Bustamante , Souza Flavia Faissal de
Published: March 2022

RESUMO O objetivo deste texto é discutir como a definição das políticas e a legislação vigente em educação especial integram a ambiência sociocultural e afetam as relações e as posições sociais dos sujeitos envolvidos no interior da escola. Refletimos sobre as múltiplas dimensões do meio com base na teoria histórico-cultural e trazemos para análise uma situação de ensino no 5º ano de uma rede pública municipal. Acompanhamos o movimento interacional e enunciativo-discursivo, dando visibilidade analítica aos modos de participação de um aluno com deficiência intelectual. Argumentamos sobre a realização do trabalho pedagógico tendo em vista o desenvolvimento cultural do aluno e enfatizamos a função da escola no processo de humanização, pontuando as contradições das políticas que orientam o contexto macroestrutural.
Conhecimentos e competências dos treinadores de rugby de categorias de base: comparação entre importância atribuída e domínio percebido
Authors: Silva Amanda Franco da , Müller Camila Borges , Goicochea Ciana Alves , Toescher Marcelo Kopp , Pinheiro Eraldo dos Santos
Published: March 2022

RESUMO Objetivou-se comparar a importância atribuída (IA) e o domínio percebido (DP) de conhecimento e competências de treinadores de rugby do campeonato nacional juvenil. Treinadores das seleções estaduais de rugby (n=19) responderam o Questionário dos Conhecimentos e Competências do Treinador sobre a IA e o DP classificados em escala Likert. O teste de Wilcoxon foi realizado para comparar IA e DP. Os resultados relacionados aos conhecimentos apresentaram IA significativamente maior que DP. Nas competências, apenas o item “planejar uma sessão de treino” não apresentou diferença significativa entre IA e DP. Conclui-se que a IA é maior que o DP em diversas questões relacionadas aos conhecimentos e competências percebidas de treinadores de rugby juvenil.
Validação de álbum seriado sobre redução de danos para pessoas em situação de rua
Authors: Aragão Caroline Ponte , Ximenes Maria Aline Moreira , Brandão Maria Girlane Sousa Albuquerque , Galindo Neto Nelson Miguel , Caetano Joselany Áfio , Barros Lívia Moreira
Published: March 2022

Resumo Este estudo buscou construir e validar um álbum seriado sobre redução de danos para pessoas em situação de rua. Foi desenvolvida pesquisa metodológica para a construção e validação do álbum seriado por 22 juízes especialistas. Foi considerado índice de concordância de, no mínimo, 80% para se garantir a validação do material. Houve nível de concordância de 100% quanto aos objetivos do material, assim como sua relevância para prática clínica. A estrutura e apresentação obteve concordância de 95,5%. Assim, o índice de validade de conteúdo global na validação com juízes foi igual a 0,99, o que confirma a validação de conteúdo e aparência junto aos especialistas da área. A tecnologia foi considerada válida quanto ao conteúdo, podendo ser utilizada como ferramenta educativa sobre redução de danos, e como meio de aproximação e construção de vínculo do profissional com pessoas em situação de rua nos serviços de saúde e assistência social.
A covid-19 para além da doença: efeitos da pandemia no espaço intensivista neonatal à luz da teoria ambientalista de Nightingale
Authors: Machado Iara Caroline Silva , Rocha Amanda Chaves , Amaral Alda Silva Nery , Lima Raquel Cristina Gomes , Santos Juliana Oliveira , Manfroi Edi Cristina , Medeiros Danielle Souto de
Published: March 2022

Resumo As rigorosas medidas de segurança adotadas pelos hospitais, em decorrência da pandemia, estenderam-se também às Unidades de Terapia Intensiva Neonatais (UTIN). Este artigo desvela, por meio de observação sistemática, as mudanças organizacionais e estruturais ancoradas na Teoria Ambientalista de Nightingale que ocorreram na UTIN de um hospital público do interior da Bahia. Observou-se a interconexão entre os Ambientes Físico, Psicológico e Social, porém, com comprometimento na comunicação e relação entre família, neonato e equipe, apresentando um viés sensível das consequências restritivas da covid-19. Salienta-se o paradoxo entre zelar pela segurança e o impedimento das práticas informativas e facilitadoras de vínculos que envolvem o trinômio mencionado. Contudo, novas estratégias emergem desse contexto, levando os profissionais a se reinventarem e ousarem na comunicação, por meio de recursos remotos antes não utilizados, destacando as tecnologias digitais.
Can people detect the loss of water quality? A field experiment to evaluate the correlation between visual perception and water eutrophication degree
Authors: Nabout João Carlos , David Ana Clara Maciel , Felipe Jéssica Fagundes , Machado Karine Borges , Carvalho Laurence , Cunha Hélida Ferreira da
Published: March 2022

Abstract Aim The quantity and quality of water are essential to many ecosystem services, biodiversity and human well-being. In the present paper, we used a field experiment to evaluate the visual perception of the public regarding the loss of water quality associated with eutrophication and greening of water. We hypothesized that with an increase in eutrophication (i.e. greening of water due to increased Chlorophyll-a), people can detect a loss of water quality and threats to ecosystem services. Methods We used an experimental area composed of six mesocosms (500L water tanks) with a gradient of chlorophyll-a varying from clear water (without chlorophyll-a) up to eutrophic mesocosms (very green water). A total of 100 people visited the experimental area in-situ, and 83 people visualized pictures of the mesocosms. Results Our results indicated that people were able to detect the loss of water quality associated with increased concentrations of chlorophyll-a, and recognized that these were less suitable for recreational activity and consumption. Moreover, this perception did not vary by gender, formal education, or frequency of visits to aquatic ecosystems. Conclusions The results highlight the clear potential of visual public perception to be used as a simple, rapid, early-warning strategy for monitoring programs of water quality and also an approach that strengthens the link between science and society.
Field test research and design of a new heliostat support structure in coarse gravel
Authors: Li Hong-Xing , Feng Shi-Jin , He Shao-Hua , Zhang Xiao-Lei , Sun Da-Ming
Published: March 2022

A solar power tower plant includes a solar tower and tens of thousands of heliostats, with the latter accounting for 40–50% of the total cost. To reduce heliostat costs, a new type of heliostat support structure (HSS) is proposed, consisting of a prestressed high-strength concrete pipe pile and cast-in-place concrete. With the performance and applicability of this structure unknown, full-scale field load testing of the proposed HSS on coarse gravel, subjected to lateral loads or torsion–lateral combined loads, was conducted. The results indicated that lateral load amplifies the rotation under torque and the proposed HSS for mirror arrays can provide sufficient rigidity to limit structural deformations within tolerable values under severe wind loading. Together with three-dimensional modelling, the performance of the proposed HSS was thoroughly investigated to facilitate the development of modified prediction methods for its lateral and torsional load responses. A detailed design procedure is proposed for the new structure, considering foundation deformations, bearing capacity and survival requirements. This study proved that the proposed HSS can improve the economic performance of solar power tower plants.
Aqp2+ Progenitor Cells Maintain and Repair Distal Renal Segments
Authors: Gao Chao , Zhang Long , Chen Enuo , Zhang Wenzheng
Published: March 2022

Significance Statement

Whether adult mammalian kidneys harbor progenitor cells is a long debated issue. Here we provide convincing and conclusive data demonstrating that cells expressing Aqp2 and V-ATPase subunits B1 and B2, like their embryonic and neonate counterparts, function as Aqp2+ progenitor cells (APs) in the adult mouse kidney, and play a critical role in the maintenance and regeneration of the kidney under normal and pathologic conditions (unilateral ureteral obstruction). APs may be considered the first potential candidate that meet the strict definition of progenitor cells requiring in vivo demonstration of self-renewal, clonogenicity, multipotency, and participation in maintenance and repair. Adult progenitor cells could become critical for regenerative medicine and response to diseases. Identification of APs and characterization of their role in renal maintenance and regeneration after renal injury may help in vitro kidney organoid generation.

Background

Adult progenitor cells presumably demonstrate clonogenicity, self-renewal, and multipotentiality, and can regenerate cells under various conditions. Definitive evidence demonstrating the existence of such progenitor cells in adult mammalian kidneys is lacking.

Method

We performed in vivo lineage tracing and thymidine analogue labeling using adult tamoxifen-inducible (Aqp2ECE/+ RFP/+, Aqp2ECE/+ Brainbow/+, and Aqp2ECE/+ Brainbow/Brainbow) and WT mice. The tamoxifen-inducible mice were analyzed between 1 and 300 days postinduction. Alternatively, WT and tamoxifen-induced mice were subjected to unilateral ureteral obstruction and thymidine analogue labeling and analyzed 2–14 days post-surgery. Multiple cell-specific markers were used for high-resolution immunofluorescence confocal microscopy to identify the cell types derived from Aqp2+ cells.

Results

Like their embryonic counterparts, adult cells expressing Aqp2 and V-ATPase subunits B1 and B2 (Aqp2+ B1B2+) are the potential Aqp2+ progenitor cells (APs). Adult APs rarely divide to generate daughter cells, either maintaining the property of the AP (self-renewal) or differentiating into DCT2/CNT/CD cells (multipotentiality), forming single cell–derived, multiple-cell clones (clonogenicity) during tissue maintenance. APs selectively and continuously regenerate DCT2/CNT/CD cells in response to injury resulting from ureteral ligation. AP proliferation demonstrated direct correlation with Notch activation and was inversely correlated with development of kidney fibrosis. Derivation of both intercalated and DCT2 cells was found to be cell division–dependent and –independent, most likely through AP differentiation which requires cell division and through direct conversion of APs and/or regular principal cells without cell division, respectively.

Conclusion

Our study demonstrates that Aqp2+ B1B2+ cells behave as adult APs to maintain and repair DCT2/CNT1/CNT2/CD segments.
SOLUTION OF AN INVERSE PROBLEM OF FINDING SURFACE CHARGE DENSITY WITH A KNOWN ELECTRICAL POTENTIAL USING COMSOL MULTIPHYSICS
Authors:   National Research University «Moscow Power Engineering Institute», Pichugin P. I.
Published: March 2022

Relevance Polymer materials capable of electric charge accumulation on their surface and in volume have wide application in a great number of applied problems of electrophysics and high-voltage engineering due to their excellent dielectric property. This property can be both an advantage (in electret manufacture), and a disadvantage (when using polymers as an isolating medium). Fundamentally important here is the need to characterize and control the degree of charge using the value of surface charge density which, however, can be determined indirectly through the electric potential only. When measuring the potential using a capacitive probe, difficulties arise in solving an inverse problem of converting the potential into surface charge density, since the relationship between these values largely depends on the geometry of the charged body and the capacitive probe. An effective and universal conversion method will greatly simplify the measurement of the surface charge density that will be helpful in practical tasks of electrical technology and operation of high-voltage equipment with elements made of polymer materials. Aim of research Aim of the research is to develop a technique for restoring surface charge density distribution according to a given measured distribution of electric potential created by the surface charge; give recommendations on how to achieve an optimal balance between accuracy and labor intensity of numerical calculations. Methods The problem is solved using numerical modeling in finite element method based software Comsol Multiphysics. With the help of the created 3D model containing the reproduced design of the capacitive probe and the charged examined material, the principle of the weight coefficients matrix formation is explained, through which the relationship between a discrete set of measured potentials and the unknown distribution of the surface charge density is subsequently established. Results An effective method has been developed to recalculate the known distribution of the electric potential from a charged surface into its surface charge density. The principle of constructing and setting the boundary conditions in the 3D model required for recalculation is shown. On the example of one given distribution of electric potential, the high efficiency of the method for obtaining the distribution of the charge density was shown. It has been established that the accuracy of the method increases with a finer partition of the charged surface into elementary charged areas. Recommendations are given on the use of methods for solving the arising systems of linear algebraic equations. It was also shown how to simplify the technique used in the presence of an axisymmetric distribution of the charge density.
CONICAL SPIRAL VIBRATION SENSOR WITH IMPROVED METROLOGICAL CHARACTERISTICS
Authors:   Bashkir State University, Branch, Safiullin R. A. , Yangirov I. F. ,   Ufa State Aviation Technical University
Published: March 2022

Relevance Currently, vibration of parts of various machines is widely used to increase the intensity and efficiency of technological processes for extracting raw materials and semi-finished products (granulating, drying, dissolving and leaching, extracting, adsorption gas separation, etc.). In other cases, on the contrary, it is necessary to eliminate the harmful effect of vibration on production processes to slow down the movement of units and mechanisms, to damp vibrations in various ways (controlled shock absorption systems, electromagnetic dampers, vibration protection, etc.). For active control of oscillatory processes occurring in these machines, vibration sensors directly connected to them are used. The main element of various vibration sensors is a sensitive element that converts mechanical movement into an electromagnetic signal, which allows it to be further processed. As sensitive elements of electromechanical transducers of vibration sensors for measuring small vibrations of the surfaces of vibration objects, classical strain gauge, magnetoelectric, magnetostrictive, piezoelectric and frequency-pulse elements are used. The design and creation of new vibration sensors with improved metrological characteristics is an urgent task for electrical engineering and electromechanics. In this work, the basic formulas and graphs of the experimental output data of the metrological characteristics of the new design of the vibration sensor are obtained. Aim of research To investigate the metrological characteristics of a new design of a conical spiral vibration sensor. Research methods To determine the oscillatory processes, the methods of the theory of electrical circuits, magnetic fields, methods of mathematical analysis and the theory of electrical oscillatory processes in (beats, induction, etc.) folded circuits are used. Results A new design of a conical spiral vibration sensor has been developed and its metrological characteristics have been investigated.
ANALYSIS OF METHODS FOR DIAGNOSTICS BROKEN ROTOR BAR OF INDUCTION MOTOR
Authors:   Samara State Technical University, Bannov D. M.
Published: March 2022

Relevance Uninterrupted operation of industrial facilities, oil and gas sector, metallurgy, power generation and other industries directly depends on reliable operation of critical mechanisms driven by electromechanical converters, operated as a part of working complexes. Reliability of operation of such mechanisms depends on reliability of all elements that make up the technological process. Inductions motor with squirrel-cage rotor (including high-voltage motors) is one of the most common types of converters of electrical energy into mechanical energy. Its uninterrupted operation directly depends on the reliability of two main elements: stator and rotor. If the causes of induction motor failure due to stator causes (inter-turn, inter-phase and single-phase short circuits) are determined by the provided protections, the damage in the rotor circuit can be implicit and exist for a long time, violating the machine uptime. Also, most of the faults in the inductions motor, leading to an emergency shutdown of technological processes of working complexes have their own history of development. At the moment of occurrence and during the period when the defect does not affect the serviceability of the machine, but its operation becomes critically dangerous, because it is not possible to determine the presence of the defect. So, for example, the breakage of the short-circuited rotor core of a high-voltage induction motor manifests itself at the stage of exit to the air gap at the time of operation, with subsequent damage to the stator winding and the magnetic core. In this case, the existence of this defect took place within a certain period of time, sufficient for its detection by means of diagnostic devices. The article analyzes the currently developed systems for diagnosing the presence of a fault according to various parameters (temperature, noise, vibration, analysis of electrical values consumed) both in the stator and in the rotor. It is determined that the most promising and technically feasible are methods based on the analysis of stator currents. When studying the works in the direction of inductions motor diagnostics it was found that a significant proportion of failures of mechanisms operated in the working complexes due to failure of inductions motor occurs due to broken rotor bar. Aim of research Analyze the existing methods for diagnosing induction motors during operation. Research methods The article used general scientific research methods: the method of analysis of literary sources, the study and generalization of information, comparison, classification. Results The analysis of existing methods of continuous diagnostics of induction motors for internal electrical and mechanical damage is carried out. It has been determined that the most promising from the point of view of economic and technical feasibility are methods based on the analysis of currents consumed by the stator.
ON CONTINUOUS MONITORING OF OIL WELL PRODUCTION PARAMETERS
Authors:   Almetyevsk State Oil Institute, Alaeva N. N. , Sitdikova I. P. ,   Almetyevsk State Oil Institute
Published: March 2022

Relevance When developing alternating current test voltage sources to assess the quality of insulatioThe article considers the problem of continuous control of technological parameters for effective management of oil fields while reducing material and economic costs. Aims of research To develop a measuring complex for non-stop control of main parameters of the extract products (water content and flow rate) of oil producing wells directly in a column of pumping-compressor pipes. Research methods The method of monitoring the parameters of the flow of oil-water mixture in real time by the proposed complex is based on an indirect method for determining the characteristics of the medium flowing through the upper section of the lift in the form of tubing, using two methods: monitoring the permittivity of the medium using capacitive sensor and monitoring its density a been used differential pressure gauge. In this work the drawing of a measuring complex, a general view of the experimental stand and the structural scheme of the measuring transducer and also research results are submitted. Measurements were carried out by means of the electronic circuit consisting of analog-to-digital converters of dielectric permittivity of the compound connected to the computer for received data processing and visualization by means of the LabVIEW program. Results of conversion of measurements of percentage of water in water oil mix were used in algorithms of obtaining values of moisture content and traverse speed of the compound. Results As a result of researches it is revealed that the developed measuring complex has the acceptable accuracy of measurements of a volume flow of liquid. Use of algorithms of obtaining values of moisture content and traverse speed of the compound provides the required accuracy and speed of obtaining results of the measurements necessary for practical application. Simplicity of its implementation creates conditions for considerable decrease in cost value of implementation on the operating oil fields. Thus, the developed measuring complex for oil wells will allow to carry out non-stop monitoring of parameters of production for the organization an oil field automatic control system.