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Visitors’ perception of art museums linked to the Brazilian Institute of Museums.
No full textO presente estudo aplicou técnicas de extração de dados e análise textual em um banco de dados qualitativo com informações resultantes de comentários provenientes da mídia social especializada em turismo TripAdvisor, com vistas a analisar o discurso dos visitantes dos nove Museus de Arte vinculados ao Instituto Brasileiro de Museus que estão distribuídos em cinco estados: Rio de Janeiro, Minas Gerais, São Paulo, Goiás e Santa Catarina. A metodologia desenvolvida neste artigo apresenta critérios defensáveis e reproduzíveis para ser replicada em outros tipos de museus e atrativos culturais qualificados no TripAdvisor ampliando a compreensão acerca da percepção dos visitantes sobre os museus de arte. O banco de dados qualitativo foi analisado com o uso dos softwares livres Iramuteq e o Gephi voltados à análise textual e tratamento dos dados. A partir dos resultados identificou-se que a maioria das avaliações são positivas e que a qualidade dos acervos e os aspectos arquitetônicos das edificações foram os itens mais citados pelos visitantes,This study applied data extraction techniques and textual analysis in a qualitative database with information resulting from comments from the social media specialised in tourism TripAdvisor, to analyse the discourse of visitors to the nine Art Museums linked to the Brazilian Institute of Museums that are distributed in five states: Rio de Janeiro, Minas Gerais, São Paulo, Goiás and Santa Catarina. The methodology developed in this article presents defensible and reproducible criteria to be replicated in other types of museums and cultural attractions qualified on TripAdvisor, expanding the understanding of visitors' perception of art museums. The qualitative database was analysed using the free software Iramuteq and Gephi for textual analysis and data processing. Results show that most of the evaluations are positive and that the quality of the collections and the architectural aspects of the buildings were the most mentioned by the visitors
Under the sun or stars : how a dune ant (Hymenoptera: Formicidae) community is shaped along the day and night.
No full textAtlantic Forest (AF) is a threatened megadiverse biome distributed from north to south along the ocean of South America and is considered a hotspot of biodiversity. Currently, over 3000 ant taxa are known to occur in AF ecosystems, and many more are expected but may never be acknowledged. The patterns and processes structuring AF ant communities are not well known, urging such studies. Temperature is a fundamental environmental condition that modulates ant species occurrences at different local and regional scales. Global warming may deeply impact species occurrence, dynamics and interactions, and efforts to amplify our understanding of AF biodiversity are urgent. Ants are widely distributed in the dunes, and many species are sensitive to local changes in temperature as some species are considered thermophilic. In open areas such as dunes, the temperature varies considerably over 24 h, with great changes mainly between day and night. In this study, we sought to answer whether the foredune ant community of the Restinga, one of the habitats of the AF, is structured by temperature from day and night. For this, we tested the following hypotheses: (i) temperature influences ant diversity; (ii) in warmer periods, there is a decrease in richness, with an increase in abundance; and (iii) ant species composition varies throughout the day and, consequently, at different temperatures. We arbitrarily drew a parallel transect to the ocean composed of 15 pitfall trap units spaced every 30 m. Traps were changed in five sampling periods: T1 (9:10–13:10 h), T2 (13:40–18:40 h), T3 (19:00–23:00 h), T4 (23:00–03:00 h) and T5 (03:00–07:00 h). In each period, we recorded the ambient temperature and relative humidity. We recovered 11 ant species on the foredunes. Our results showed that the richness and abundance of ants in the daytime period was higher than in the night-time period, suggesting that temperature positively affected these two parameters of the studied community. The species composition also changed over the sampling periods. Considering that our aim was to describe the species diversity across 24 h of sampling, this ‘quick-shot’ of the ant community allowed us to determine that temperature and humidity shape their occurrence and activity. These results indicate that there is an interplay between these factors that are correlated and play an important role in structuring ant communities in Restinga foredunes
Short-term planning of a work shift for open-pit mines : a case study.
No full textThis work deals with the short-term planning problem of a work shift for
open-pit mines. The problem involves ore and waste fronts, shovels, heterogeneous
truck fleets, and discharge points. The allocation of trucks is dynamic to allow
multiple routes to be assigned to each truck. The problem consists of deciding which
fronts must be mined and establishing the number of trucks, their routes, and the
amount of material transported by them to each discharge point, satisfying
a stripping ratio at the desired level. The objectives are to minimize the deviations
from the targets for production, chemical grade, and particle size range of each
control parameter at each plant and reduce the number of trucks needed for the
process. To solve the problem, we developed a mixed-integer linear goal program-
ming model and tested it using real data from an iron ore mine. The results showed
that the proposed approach supports decision-makers in the sizing and allocation of
truck fleets and in meeting the production and control parameter targets required
by the ore processing plants according to the daily scenario, such as low availability
of shovels and trucks, flexibility in ore quality, and need for increased production
Interações entre plantas e visitantes florais em ecossistemas de turfeiras em Minas Gerais, Brasil.
No full textThe Espinhaço Mountain Range is an important complex of mountains and plateaus within the Brazilian Cerrado. Within this area we can found peatlands ecosystem, which are important carbon reservoirs and home of a variety of plants and their floral visitors. We investigated if there are differences in the planta-visitor community between protected peatlands(Rio Preto State Park) and unprotected peatlands (Araçuai river). To conduct the research, six field trips of three days each (between October 2021 and November 2022) were conducted to sample plants and their Floral visitors. For comparison, the areas were divided into wet (peatlands) and dry grasslands. We sampled 284 individuals of floral visitors from 107 species visiting 45 plant species. In the protected area we found 62 floral visitors species visiting 33 plant species and in the non-protected area 58 floral visitor’s species in 26 plant species. We also found higher Floral visitors richness in the wet areas (peatlands) (82 species) compared with dry areas (grasslands) (36 species). Furthermore, wet areas show higher abundance and richness of Floral visitors. Plant communities show some similarities, although they have different blooming periods.A Serra do Espinhaço é um importante complexo de terras altas dentro do bioma Cerrado, um hot spot de biodiversidade. Nessa área encontramos ecossistemas de turfeiras, importantes reservatórios de carbono e hábitat de muitas espécies. Investigamos se existem diferenças na comunidade de plantas e seus visitantes florais entre turfeiras protegidas (Parque Estadual do Rio Preto) e não protegida (turfeiras do Araçuai). Para condução da pesquisa, seis campanhas de campo de três dias cada (entre outubro de 2021 e novembro de 2022) foram realizadas para amostragem de plantas e seus polinizadores. Para comparação, as áreas foram divididas entre campo limpo úmido (turfeiras) e seco. Foram amostrados 284 indivíduos de polinizadores de 107 espécies visitando 45 espécies de plantas. Na área protegida, foram encontradas 62 espécies de polinizadores visitando 33 espécies de plantas; enquanto na área não protegida foram encontradas 58 espécies de polinizadores em 26 espécies de plantas. Também foi observada maior riqueza de polinizadores nas áreas de campo úmido (turfeiras) (82 espécies) em comparação com as áreas de campo limpo seco (36 espécies). Adicionalmente, o campo úmido apresentou maior riqueza e abundância de polinizadores. As comunidades de plantas apresentam similaridades, ainda que com diferenças nos períodos de floração
The trajectories of formulation and implementation of the National Common Curricular Base (BNCC) in a municipality in the state of Minas Gerais : an analysis of policy content.
No full textO artigo analisa os textos oficiais produzidos nas trajetórias de formulação (nível nacional) e de implementação (nível local) da Base Nacional Comum Curricular (BNCC) em Contagem, Minas Gerais (MG), para a etapa do Ensino Fundamental, por meio da análise do contexto dos conteúdos da política. Foram analisados documentos nacionais, como as versões da BNCC, e locais relacionados à implementação dessa política em Contagem. A análise trouxe algumas evidências: a trajetória de formulação da BNCC não revela uma linearidade e os cenários políticos, de certa forma, são traduzidos nos textos oficiais, pois há diferenças significativas entre as versões 2016 e 2017 em relação, por exemplo, aos princípios norteadores e o público-alvo destinatário dessa política. Em Contagem, ao se analisar os documentos produzidos a partir da BNCC, na sua trajetória de implementação, percebemos noções diferentes em relação a essa política, também influenciadas pelo cenário político: na gestão Alexis (2017-2020), a BNCC foi entendida tendo uma perspectiva pautada em padronizar e homogeneizar os conteúdos e habilidades. Na gestão Marília (2021-atual), por sua vez, a BNCC foi interpretada não como sendo um único documento orientador para a Rede, já que o professor pode utilizar outros documentos oficiais. A análise revela que os textos oficiais são importantes para se compreender a trajetória e os contextos da política, pois, além de revelar avanços e rupturas, fornecem elementos para se compreender a complexidade que permeia o processo de formulação e implementação das políticas educacionais.The article analyzes the official texts produced in the formulation (national level) and implementation (local level) trajectories of the National Common Curricular Base (BNCC) in Contagem/Minas Gerais (MG), for the Elementary Education stage, through analysis the context of the policy contents. National documents, such as the BNCC versions, and local documents related to the implementation of this policy in Contagem were analyzed. The analysis brought some evidence: the BNCC's formulation trajectory does not reveal linearity and the political scenarios, in a way, are translated in the official texts, as there are significant differences between the 2016 and 2017 versions in relation, for example, to the guiding principles and the target audience for this policy. In Contagem, when analyzing the documents produced by the BNCC, in its implementation trajectory, we noticed different notions in relation to this policy, also influenced by the political scenario: in the Alexis administration (2017-2020), the Base was understood to have a perspective based on standardizing and homogenizing content and skills. In the Marília administration (2021-current), in turn, the BNCC was interpreted not as being a single guiding document for the Network, since the teacher can use other official documents. The analysis reveals that official texts are important for understanding the trajectory and contexts of the policy, as, in addition to revealing advances and ruptures, they provide elements for understanding the complexity that permeates the process of formulating and implementing educational policies
A hierarchical model for industry 4.0 concepts.
No full textPurpose: This research aims to structure a hierarchical model that integrates the industry 4.0 (I4.0) concepts and standardizes concepts based
on the literature.
Originality/value: Kamble et al. (2018) point out the lack of architecture to represent I4.0 concepts. This paper brings an approach to the
relationship between these concepts of I4.0. It expands the studies by
Ghobakhloo (2018) and Liao et al. (2017) and homogenizes terms present in the literature.
Design/methodology/approach: From a systematic review of the literature in the Scopus and ScienceDirect databases, from 2011 to 2019, 91
articles were reviewed, of which 58 articles were analyzed.
Findings: From the literature, the terms related to I4.0 were grouped
into three categories: technologies, principles, and dimensions. Technology clusters represent tools used to promote changes and transformations in the processes, here called principles. These changes and
transformations create new industry standards, enabling process integration for problem-solving, and contributing to implementing intelligent management. The relationship between these categories results in
a hierarchical model for I4.0 concepts. This hierarchical model can be
used to identify opportunities for future research, demonstrating associations between categories that have not yet been explored. It opens
possibilities for organizations to enter the fourth industrial revolution.
The results help practitioners and researchers to understand this new
process in detail and facilitate the construction of a valid and operational intelligent manufacturing platform.Objetivo: Esta pesquisa tem como objetivo estruturar um modelo hierár-
quico que integre os conceitos da indústria 4.0 (I4.0) e padronizar con-
ceitos com base na literatura.
Originalidade/valor: Kamble et al. (2018) apontam para a falta de uma
arquitetura para representar os conceitos I4.0. Este artigo traz uma abor-
dagem para a relação entre esses conceitos de I4.0. Ele expande os es-
tudos de Ghobakhloo (2018) e Liao et al. (2017) e homogeneíza termos
presentes na literatura.
Design/metodologia/abordagem: A partir de uma revisão sistemática da
literatura nas bases de dados Scopus e ScienceDirect, de 2011 a 2019,
foram revisados 91 artigos, dos quais 58 foram analisados.
Resultados: A partir da literatura, os termos relacionados com I4.0 foram
agrupados em três categorias: tecnologias, princípios e dimensões. Os
clusters de tecnologia representam ferramentas utilizadas para promover
mudanças e transformações nos processos, aqui chamados de princí-
pios. Essas mudanças e transformações criam novos padrões da indús-
tria, permitindo a integração de processos para a solução de problemas,
contribuindo para a implementação do gerenciamento inteligente. A
relação entre essas categorias resulta em um modelo hierárquico
Food and behavior profile of children with autism spectrum disorder (ASD) in city of Ouro Preto/MG.
No full textAutism is a developmental disorder that affects communication, behavior, and social
interaction. Autism symptoms may include delayed language development, difficulty
making eye contact, repetitive movements or behaviors, and sensitivity to certain sensory
stimuli. Therefore, the objective of this study was to evaluate the dietary and behavioral
profile of children with Autism Spectrum Disorder (ASD) in city of Ouro Preto/MG. For
this, the medical records of 11 children/young people assisted by the Association of Parents
and Friends of the Exceptional (APAE) and the Psychosocial Care Center (CAPSij) in Ouro
Preto/MG were evaluated. In addition, the responses obtained by parents and/or guardians
about the dietary and behavioral profile of these individuals assisted by the institutions
were evaluated using a questionnaire. The results were analyzed using word clouds and
frequency analysis. In view of this, it is concluded that the dietary profile of children/young
people with ASD is marked by food selectivity and that the main sensory aspect related to
selectivity is texture, and that the foods most consumed by this group are industrialized
foods, sugary foods and foods with low nutritional value. The least consumed are vegetables
and fruits. In addition, the overload of mothers of children/young people with ASD was
evident, being related to the great dependence of individuals on the mother
A prudência, o fogo e o sangue : a razão de Estado e a escolástica-tomista nas instruções reais e advertências vice-reais no primeiro século da Nova Espanha (XVI-XVII).
No full textPrograma de Pós-Graduação em História. Departamento de História, Instituto de Ciências Humanas e Sociais, Universidade Federal de Ouro Preto.A presente tese visa analisar o universo governativo da monarquia castelhana durante o
período colonial nos territórios ultramarinos do vice-reino da Nova Espanha, em seu
primeiro século de existência, a partir de 1535. Para tanto, as instruções reais serão
importantes na compreensão do modo como os monarcas entendiam as noções de
governo e os mecanismos de poder e dominação, somadas à análise de algumas relações
– ou advertências – redigidas por alguns vice-reis. O intuito, portanto, é analisar a razão
de Estado como instrumento de governo e chave de leitura nas fontes históricas
mencionadas, e como ela se deu para o domínio novo-hispânico. Para isso, é preciso,
primeiro, analisar a historiografia e teoria da razão de Estado e como ela foi pensada no
espaço castelhano. Em seguida, o trabalho se presta a analisar mais detidamente as
fontes históricas e verificar a aplicabilidade desta razão de Estado nas instruções de
governo e nas advertências escritas por alguns vice-reis. A intenção da tese é a busca
pela confirmação da doutrina da razão de Estado e mostrar como ela se relaciona de
maneira coexistente com outra vertente de pensamento que também já estava presente
no período: o pensamento escolástico-tomista. As duas correntes doutrinais aparecem
imbricadas nas fontes da pesquisa. Com isso, é preciso procurar entender como ambas
se equilibravam nas ações de governo requisitadas pelo monarca nas instruções e nos
mandatos exercidos pelos vice-reis a partir dos registros que deixaram em suas
advertências.The thesis aims to analyze the governing universe of the Castilian monarchy during the
colonial period in the overseas territories of the viceroyalty of New Spain, in its first
century of existence, from 1535 onwards. Therefore, the actual instructions will be
important in understanding the mode how the monarchs understood the notions of
government and the mechanisms of power and domination, added to the analysis of
some relations – or warnings – written by some viceroys. The aim, therefore, is to
analyze the reason of State as an instrument of government and a key to reading the
aforementioned historical sources, and how it took place for the new-Hispanic domain.
For this, it is necessary, first, to analyze the historiography and theory of reason of State
and how it was thought in the Castilian space. Then, the work lends itself to a more
detailed analysis of the historical sources and to verify the applicability of this reason of
State in the government instructions and in the warnings written by some viceroys. The
intention of the thesis is the search for the confirmation of the doctrine of reason of
State and to show how it relates in a coexisting way with another line of thought that
was also present in the period: the scholastic-Thomist thought. The two doctrinal
currents appear intertwined in the research sources. With this, it is necessary to try to
understand how both were balanced in the government actions requested by the
monarch in the instructions and in the mandates exercised by the viceroys based on the
records they left in their warnings
Efeitos do envelhecimento térmico e da matriz epóxi funcionalizada com nanoplacas de grafeno em compósitos reforçados com tecido fique.
No full textCurrently, the demand for high quality and reliable components and materials is increasing, so bending testing
has become a vital test method, both in research and manufacturing and development process, to explain in detail about the material’s ability to withstand deformation under load. This research investigated flexural properties of polymeric composites reinforced with natural fiber, in particular the fique fabric, with addition of graphene nanoplates (GNP) (0.1%; 0.5% and 0.9%) and degradation at high temperature (0, 5 and 10 days), as it was never reported. Using design of experiments (DoE), ie, 3-full factorial design with two replications, aiming to analyze the effects of important parameters, which are exposure time and GNP addition percentage. The output response measurement was identified as deflection at fracture, modulus of rupture and elasticity values. Randomized experiments were conducted based on table generated via Minitab 19 software. Scanning electron microscopy analysis confirmed the main influences on flexural analysis responses.Atualmente, a demanda por componentes e materiais de alta qualidade e confiabilidade está aumentando, de
modo que os testes de flexão se tornaram um método de teste vital tanto na pesquisa quanto no processo de fabricação e desenvolvimento para explicar em detalhes sobre a capacidade do material de suportar deformação sob carga. Esta pesquisa investigou as propriedades de flexão de compósitos poliméricos de reforço de fibra natural, em especial o tecido de fique, com adição de nanoplacas de grafeno (NPG) (0,1%; 0,5% e 0,9%) e degradação em alta temperatura (0, 5 e 10 dias), uma vez que nunca foi relatado. Usando o planejamento de experimento fatorial (PEF), ou seja, fatorial completo com dois fatores e três níveis com duas repetições, objetivando a análise dos efeitos de parâmetros importantes que são o tempo de exposição e a porcentagem de adição de NPG. A medição da resposta de saída foi identificada como valores de deflexão, resistência à flexão e rigidez. Os experimentos randomizados foram conduzidos com base na tabela gerada via software Minitab 19. Análise de microscopia eletrônica de varredura ratificou as principais influencias nas respostas da análise de flexão
Indoor and outdoor management for cats : inferences about the welfare and cat-caretaker relationship.
No full textThe population of owned domestic cats is growing worldwide and research that contributes to a better
understanding of the effects of management type (indoor x outdoor) on cats’ health and care practices
is necessary. Care practices related to each management type may interfere with the cat-caretaker relationship, ultimately influencing cat welfare. Therefore, the main objective of this study was to identify the
influence of management types on cat health and relationship with caretakers. A total of 114 owners from
2 Brazilian municipalities responded to an online questionnaire. Categorical principal component analysis, Fisher’s exact tests and X²-tests were used to investigate factors. Half of the respondents (50.88%)
answered that they use indoor management. This type of management was associated with a greater variety and frequency of care practices (such as fur combing, claw cutting and toy offering), facilitating a
more positive cat-caretaker relationship. Outdoor management (49.12%) was associated a low frequency
and variety of care practices, not allowing such a positive cat-caretaker relationship. We conclude that
caretakers who practice indoor management are more likely to have a positive relationship with their
cats than those who practice outdoor management