bluuebunny/crossref_metadata_2025 huggingface dataset:
Integrated application of selected elements of sustainability, circular economy, bioeconomy, and environmental management system in guesthouses
Authors: Scholz Petr , Vrabcová Pavla , Linderová Ivica , Kotoučková Hana
Published: February 2023

Efforts to minimize negative effects on the environment are manifested in the hospitality sector in the form of integrated application of elements of sustainable business, circular economy, bioeconomy, and environmental management. Those who run accommodation facilities are becoming environmentally aware and feel that they should be more involved in sustainable practices and thus contribute to improving the environment both locally and nationally. The main goal of this study is to identify and evaluate the application of selected elements and measures of sustainable business, circular economy, bioeconomy, and environmental management in guesthouses of the Czech Republic. A questionnaire survey (n1 = 343) was carried out together with a qualitative focus group method (n2 = 5); the data evaluation was carried out using advanced statistical methods (Tukey HSD test, Kruskal-Wallis test, correspondence analysis). The results showed that a higher classification in the guesthouse is associated with an increasing trend in the number of environmentally friendly operating methods used. Measures related to waste sorting containers (74%) and energy-saving and LED light bulbs (68%) showed the highest values. The results are useful for the practice of national professional associations that support the careful handling of resources and thereby influence the entire hospitality sector.
Evaluation of the Biostability of Elodea (Egeria densa) and Orange Peel as Bioadsorbent Materials for Pb (II) and Cr (III) in Solution
Authors: Melo Páez Adriana C. , Narvaez Flórez Silvia Y. , Mosquera Vivas Carmen S. , Calvo Saad Maria J.
Published: February 2023

A variety of plant-based materials can be used in innovative methods to treat water pollution through bio-adsorption. This work evaluated, under lab conditions, the presence of native microorganisms in orange peel (OP) and elodea (Egeria densa, ELO), the aerobic degradation and biostability of the bio-adsorbents, and the contribution of microorganisms to the bio-adsorption of Pb (II) and Cr (III). The microbial characterization and biostability of OP and ELO were conducted using 2 g of dried bio-adsorbent and a solution of the metallic ions at 450 mg/L. ELO had a larger number of bacteria, fungi, and yeast than OP. After 2 hours of contact with a 450 mg/L Pb (II) and Cr (III) solution, this value decreased by 80-86% in both bio-adsorbents. After 25 days, the microorganisms showed adaptation to the Pb (II) and Cr (III) concentrations. According to the bio-degradation test, OP had a stability of over 7,01 months, while that of ELO was 2,61 months, with a CO2 value of 1 439,9 mg after 46 days of incubation. The microorganisms tolerated a high metal concentration, but they did not contribute significantly to Cr (III) bio-adsorption in ELO. The microorganisms present in the adsorbents affect the stability of the materials, as the bio-adsorbents provide a nutrient-rich substrate. OP had higher bio-stability and could be used in pilot tests for the treatment of metal-polluted water.
Characterising power quality disturbances resulting from current limiting fuse operation
Authors: Ortiz S. N. , Blanco S. J. , Ordoñez P. G. , Barrera N. V.
Published: February 2023

This article presents novel and easily implemented tools for characterising electrical disturbances originated by fuse operations. A methodology is described that (with the use of some descriptors) led to identifying electrical disturbances of this kind. The algorithm's decision thresholds were estimated using machine learning techniques. This work was aimed at providing new tools for assessing power quality, characterising and extracting information from voltage and current records obtained from monitoring distribution systems. MATLAB was used for validating this methodology, receiving voltage and current records of simulated events in ATP-EMTP and also real events as input.
Estimation of voltage sags patterns with k-means algorithm and clustering of fault zones in high and medium voltage grids
Authors: Romero Miguel , Gallego Luis , Pavas Andrés
Published: February 2023

This paper proposes k-means clustering algorithm to identify voltage sags patterns and group fault zones with similar impact in high and medium voltage electric. The proposed methodology comprises three stages. First, network modeling and faults simulation were performed in order to get information about voltage sags caused by faults in the transmission system. Voltage sags patterns were identified at the second stage by means of a k-means clustering algorithm, allowing the determination of fault zones. Using the power quality measurements data base of the major electricity utility of Bogotá, voltage sags were classified according to the previously determined voltage sags patterns. At the third stage of the methodology a comparison between simulated and measured sags is performed, allowing the identification of sags caused by faults.
Behaviour of the interface between concrete and FRP using serial/parallel mixing theory
Authors: Molina Maritzabel , Cruz Juan José , Oller Sergio , Barbat Alex H. , Gil Lluís
Published: February 2023

Experimental research has shown that one of the key factors affecting the behaviour of reinforced concrete structures strengthened with externally-bonded fibre-reinforced polymer (FRP) is the bonding behaviour between concrete and FRP laminates. As a complement to experimentation, this paper proposed the use of serial/parallel mixing theory in numerical simulation, which is a tool for studying the behaviour of the concrete-FRP epoxy interface. An example is presented which analyses beam test simulation results and compares them with the experimental results.
The effects of moisture content, particle size and binding agent content on oil palm shell pellet quality parameters
Authors: Arzola Nelson , Gómez Alexander , Rincón Sonia
Published: February 2023

Waste-to-energy represents a challenge for the oil palm industry worldwide. Bio-pellet production is an alternative way of adding value to oil palm biomass. This would mean that a product having major energy density becomes more mechanically stable and achieves better performance during combustion. This paper deals with oil palm shell pelleting; using binding agents having up to 25% mass keeping average particle size less than 1mm and moisture content up to 18.7% (d.b.) were evaluated. An experimental factorial design used binding agent mass percentage, milled shell particle size and moisture content as factors. Pellet density response surfaces and durability index were obtained. Pellet performance during thermal-chemical transformation was also evaluated by using thermogravimetry equipment. The results led to technical evaluation of scale-up at industrial production level.
Sand's electrical parameters vary with frequency
Authors: Montaña Chaparro Johny Hernan , Candelo Becerra John Edwin , Duarte Velasco Oscar Germán
Published: February 2023

This paper presents the results of two types of test in one kind of sand to obtain resistivity and permittivity values for frequency ranging from Hz to MHz. One test involved wave generation at specific frequencies and the other an impulse generator (continuous frequency spectrum). Tests were made for three humidity values. The results of both test revealed non-linear performance on test electrode surface. Such non-linearity was modelled and eliminated to give the permittivity and resistivity values in frequency domain.
DSamala toolbox software for analysing and simulating discrete, continuous, stochastic dynamic systems
Authors: Atehortúa Labrador Angelica María , Ladino Martínez Lilia Mercedes , Valverde Fajardo Jose Carlos
Published: February 2023

This article describes DSamala toolbox, a computational tool for simulating and analysing discrete, continuous, stochastic dynamic systems; It is presented as a MATLAB toolbox. DSamala toolbox makes a significant contribution to studying dynamic systems through the use of information and communication technology (ICT), especially when equations modelling these systems are difficult or impossible to solve analytically.
The mechanical design of a transfemoral prosthesis using computational tools and design methodology
Authors: Sánchez Otero John , Hernández Roque J. , Torres S. Jaime E.
Published: February 2023

Artificial limb replacement with lower limb prostheses has been widely reported in current scientific literature. There are many lower limb prosthetic designs ranging from a single-axis knee mechanism to complex mechanisms involving microcontrollers, made from many materials ranging from lightweight, high specific strength ones (e.g., carbon fibre) to traditional forms (e.g., stainless steel). However, the challenge is to design prostheses whose movement resembles the human body's natural movement as closely as possible. Advances in prosthetics have enabled many amputees to return to their everyday activities; however, such prostheses are expensive, some costing as much as $60,000. Many of the affected population in Colombia have scarce economic resources; there is therefore a need to develop affordable functional prostheses.
The Universidad del Norte's Materials, Processes and Design Research Group and the Robotics and Intelligent Systems Group have been working on this line of research to develop modular prostheses which can be adjusted to each patient's requirements. This research represents an initial methodological approach to developing a prosthesis in which software tools have been used (the finite element method) with a criteria relationship matrix for selecting the best alternative while considering different aspects such as modularity, cost, stiffness and weight.
Applying Peleg's equation to modelling the kinetics of solid hydration and migration during soybean soaking
Authors: Quicazán Marta Cecilia , Caicedo Mesa Luis Alfonso , Cuenca Martha María
Published: February 2023

Legume soaking is an important practice in food processing; the characteristics of beverages and tofu mainly depend on this operation regarding soybeans. Peleg's equation has been used in this work to describe the kinetics of water absorption and solid loss during soaking at 20°C, 40°C and 80°C. The moisture content of grain and solids in the remaining water was measured for 10 hours. Variance analysis and principal components analysis showed high fitting of kinetics to Peleg's equation for predicting both transference phenomena. This work found that the value of k1 (rate) depended on temperature according to a polynomial function while k2 (capacity) did not, meaning that the value of equilibrium moisture content was independent of soaking temperature. k1 had the minimum value for the migration of solids to soaking water at 40°C; this was related to lost solids' high speed and the microbial degradation of carbohydrates; the values obtained for k2, showed that it was possible to lose total soluble solids at 20°C, while further migration of insoluble compounds occurred at 80°C.
Radio frequency identification (RFID) technology for academic, logistics and passenger transport applications
Authors: Ramírez Echeverry John Jairo
Published: February 2023

Radio frequency identification (RFID) technology, from its beginning in the 1980s, has provided solutions in areas in which no identification (ID) technology has done so before. This paper presents three applications in areas having an issue in common: an RFID technology-based solution; these fields were academic topics, logistic support for an event and passenger land transport. Each project identified a problem which needed resolving, the methods and electronic devices used for such solution and the outcomes achieved. The developments shown in this paper indicated the multidisciplinary nature of RFID technology because it achieved new solutions for identifying objects or people in many contexts and not just the consumer goods trade which is the application nowadays most known for using this technology. These projects were developed by members of the Universidad Nacional de Colombia's High Frequency Electronics and Telecommunications Research Group (CMUN) (website: http://www.cmun.unal.edu.co).
LDPE and PP thermal diffusivity in molten state
Authors: Yánez Genhli , Rodríguez Pérez Miguel Ángel , Almanza Ovidio
Published: February 2023

Experimental results are reported for measuring the thermal diffusivity of two polymer species: low density polyethylene (LDPE) and polypropylene (PP). Measurements were taken in unsteady state heat flow conditions around the materials' melting temperature, using a device specially constructed for this purpose. The experimental results for the sample's temperature profile (temperature gradient product) were adjusted with the theoretical results obtained by solving the heat conduction equation. Diffusivity values were α=6.92×(10)^(-7) m^2⁄s for LDPE and α=5.53×(10)^(-7) m^2⁄s for PP. This was pioneering work in measuring this property at high temperatures in non
Experimental results are reported for measuring the thermal diffusivity of two polymer species: low density polyethylene (LDPE) and polypropylene (PP). Measurements were taken in unsteady state heat flow conditions around the materials’ melting temperature, using a device specially constructed for this purpose. The experimental results for the sample’s temperature profile (temperature gradient product) were adjusted with the theoretical results obtained by solving the heat conduction equation. Diffusivity values were α =6.92 x 10-7 m2/s for LDPE and α =5.53 x 10-7 m2/s for PP. This was pioneering work in measuring this property at high temperatures in non-stationary state heat flow conditions and should be useful in the search for improving the conditions for processing these materials.
-stationary state heat flow conditions and should be useful in the search for improving the conditions for processing these materials.
The surface properties of biopolymer-coated fruit: A review
Authors: Moncayo Martinez Diana Cristina , Buitrago Hurtado Gustavo , Algecira Enciso Néstor Ariel
Published: February 2023

Environmental conservation concerns have led to research and development regarding biodegradable materials from biopolymers, leading to new formulations for edible films and coatings for preserving the quality of fresh fruit and vegetables. Determining fruit skin surface properties for a given coating solution has led to predicting coating efficiency. Wetting was studied by considering spreading, adhesion and cohesion and measuring the contact angle, thus optimising the coating formulation in terms of biopolymer, plasticiser, surfactant, antimicrobial and antioxidant concentration. This work reviews the equations for determining fruit surface properties by using polar and dispersive interaction calculations and by determining the contact angle.
Stability of slender columns on an elastic foundation with generalised end conditions
Authors: Aristizabal-Ochoa J. Dario
Published: February 2023

Slender columns' lateral stability under compressive axial loads is presented, with uninhibited, partially inhibited and totally inhibited end side-sway, including the effects of semi-rigid connections and a uniformly distributed lateral elastic foundation (Winkler's type) throughout its entire span. The proposed classification of prismatic columns on an elastic foundation and the corresponding stability equations are general and relatively simple to apply, yielding exact results when compared to other analytical methods. The buckling load was obtained by making the determinant of a 4 x 4 matrix equal to zero for columns having side-sway uninhibited or partially inhibited at both ends, and of a 3 x 3 matrix for columns having side-sway inhibited at one or both ends. The effect of semi-rigid connections on the buckling load of five classical column cases is fully discussed and the results compared to those arising from other analytical methods.
Determining cement ball mill dosage by artificial intelligence tools aimed at reducing energy consumption and environmental impact
Authors: Gómez Sarduy Julio R. , Monteagudo Yanes José P. , Granado Rodríguez Manuel E. , Quiñones Ferreira Jorge L , Torres Yudith Miranda
Published: February 2023

Energy management systems can be improved by using artificial intelligence techniques such as neural networks and genetic algorithms for modelling and optimising equipment and system energy consumption. This paper proposes modelling ball mill consumption as used in the cement industry from field variables. The regression model was based on artificial neural networks for predicting the electricity consumption of the mill's main drive and evaluating established consumption rate performance. This research showed the influence of the amount of pozzolanic ash, gypsum and clinker on a mill's power consumption; the dose determined according to the model ensured minimum energy consumption using a simple genetic algorithm. The estimated savings potential from the proposed dose was 36 600 kWh/year for mill number 1, representing $5,793.78 / year and a 33,708 kg CO2 / year reduction in the environmental impact of gas left to escape.
Supply risk analysis: applying system dynamics to the Colombian healthcare sector
Authors: Zamora Aguas Juan Pablo , Adarme Jaimes Wilson , Arango Serna Martín Dario
Published: February 2023

This paper addresses supply risk in the oncological medicine supply chain (SC) in Colombia. A system dynamics model was developed for assessing supply risk impact on SC operation and performance. The costs of risk and logistics operation were evaluated in current conditions and in a risk mitigation scenario. The model was based on a systematic analysis of supply networks, mainly concerning the reduction of overall SC costs and improving service, quality and opportunity performance index. This article has resulted from research into SC risk management (SCRM) carried out by the Universidad Nacional de Colombia's SEPRO research group.
Bridging the links between Big Five personality traits and problematic smartphone use: A network analysis
Authors: Liu Chang , Ren Lei , Rotaru Kristian , Liu Xufeng , Li Kuiliang , Yang Wei , Li Ye , Wei Xinyi , Yücel Murat , Albertella Lucy
Published: February 2023

Background

Existing research has demonstrated that problematic smartphone use (PSU) may reflect a composition of heterogeneous symptoms, with individual PSU symptoms uniquely related to predisposing variables. The Big Five personality traits represent one of the most frequently examined predisposing variables in relation to PSU. However, no studies to date have examined the trait-to-symptom association between the Big Five personality traits and PSU. Using a network analysis approach, we aimed to understand: 1) specific pathways linking each of the Big Five personality traits to PSU symptoms and 2) the bridging effects of each Big Five personality trait on the PSU symptom cluster.

Methods

A regularised graphical Gaussian model was estimated among 1,849 Chinese university students. PSU symptoms were assessed with items from the Problematic Smartphone Use Scale. Facets of the Big Five personality traits were assessed with the subscales of the Chinese Big Five Personality Inventory-15. An empirical index (i.e., bridge expected influence) was used to quantify bridge nodes.

Results

Results revealed specific and distinct pathways between the Big Five personality traits and PSU symptoms (e.g., Neuroticism-Escapism/Avoidance, Conscientiousness-Preoccupation and Extraversion-Escapism/Avoidance). Further, Neuroticism showed the highest positive bridge centrality among the Big Five personality traits, while Conscientiousness had the highest negative bridge centrality.

Discussion and conclusions

The current study provided direct empirical evidence concerning specific pathways between the Big Five personality traits and PSU symptoms and highlighted the influential role of Neuroticism and Conscientiousness as potential targets for early detection and treatment of PSU.
Inwentarz księgozbiorów parafialnych z drugiej połowy XVIII wieku – nowa metoda edycji
Authors: Szady Joanna
Published: February 2023

Gathering information on library collections is of primary importance in research on the intellectual culture of past times. Studying the church book collections, including the parish ones, is especially significant as the basis of analyzing the intellectual state of the clergy environment in the period before the partitions. The canon of research frameworks includes the analyses of both selected individual book collections and larger resources within selected temporal and geographical spaces. An overall analysis of the subject still remains an open matter because of a lack of technical solutions which would allow a quantitative and qualitative analysis of abundant library resources. The problem is solved by a proposal of developing and making available the computer data base as a tool supporting the preparation of inventories and catalogues of the source material as well as making them accessible. Computer solutions also enable spatial visualization, which additionally enhances the effect of the new form of edition for library inventories.
Adesão à terapia antirretroviral de pessoas vivendo com HIV/aids em Florianópolis, Santa Catarina, Brasil
Authors: Maria Marcos Paulo Marzollo , Carvalho Maitê Peres de , Fassa Anaclaudia Gastal
Published: February 2023

A adesão à terapia antirretroviral (TARV) é fundamental para obter o controle da infecção por HIV, evitando complicações clínicas e o desenvolvimento de cepas de HIV resistentes. Vários municípios brasileiros estão comprometidos com a meta 90-90-90, que prevê que 90% dos casos de HIV/aids sejam diagnosticados, que 90% destes estejam em tratamento e, destes, 90% alcancem a supressão viral. Entretanto, existem apenas três estudos brasileiros que avaliam a adesão à TARV a partir de dados secundários de dispensação. Este estudo objetivou estimar a prevalência de adesão ao tratamento no Município de Florianópolis, Santa Catarina, Brasil, examinando sua associação com aspectos demográficos, de utilização de saúde e características clínicas. Realizou-se um estudo transversal com o uso de dados secundários do prontuário eletrônico e dados nacionais, dos Sistema de Controle Logístico de Medicamentos (SICLOM) e Sistema de Controle de Exames Laboratoriais (SISCEL), de pessoas vivendo com HIV/aids no município de abril de 2020 a março de 2021. A prevalência de adesão à TARV foi de cerca de 85%. Pessoas brancas, do sexo masculino, que tinham acompanhamento tanto na atenção primária à saúde (APS) quanto na atenção secundária tinham maior adesão ao tratamento. A idade e o número de consultas apresentaram associação direta com adesão à TARV. O processo de descentralização do cuidado ao usuário vivendo com HIV/aids é o caminho para uma assistência mais integral, porém desafios técnicos e éticos ainda precisam ser enfrentados. A qualificação profissional, o correto referenciamento com articulação em rede e a atenção às questões de sigilo e confidencialidade precisam ser reforçadas de forma a ampliar a adesão ao tratamento.
A mídia influencia o Congresso Nacional? Um estudo sobre a percepção dos deputados federais no Brasil (2011-2014)
Authors: Gramacho Wladimir Ganzelevitch , Freire Alessandro , Mundim Pedro Santos , Gomes Victor Lima
Published: February 2023

Resumo: O objetivo deste trabalho é investigar os determinantes da percepção dos deputados federais no Brasil sobre a influência que a mídia tem em suas opiniões e votos. Nosso referencial empírico são quatro rodadas de surveys presenciais aplicados a amostras representativas da Câmara dos Deputados entre 2011 e 2014. Ao todo, foram realizadas 954 entrevistas com parlamentares em exercício durante a 54a Legislatura. Os resultados mostram que o relato de maior influência está associado a hábitos midiáticos, a fatores político-ideológicos e a características sociodemográficas de cada parlamentar. Mais especificamente, registram maior influência da mídia os deputados federais que leem com maior frequência colunistas de política da mídia de referência nacional, os filiados a partidos de centro-direita e os novatos na Câmara. Por outro lado, identificamos menor influência da mídia entre os deputados que integram a bancada evangélica e entre os mais velhos. Nossos achados são compatíveis com as expectativas teóricas de que a mídia exerce influência sobre legisladores por meio de um efeito instrumental, compatível com a teoria de usos e gratificações.
Spatial and temporal distribution and bioinsecticides control of olive leaf moth in an olive orchard in Southwest of Paraná, Brazil
Authors: Carmona Gilberto Cesar Carmona , Andrade Gilberto Santos , Citadin Idemir , Pertille Rafael Henrique , Campos José Ricardo da Rocha , Rohr Angela , Danner Moeses Andrigo
Published: February 2023

ABSTRACT: We verified the spatial and temporal distribution of the olive leaf moth (Palpita forficifera Munroe, 1959) in a new potential region for olive cultivation and evaluated the bioinsecticides effectiveness to control this pest. The experimental orchard composed by Koroneiki and Arbequina cultivars was planted in Pato Branco, Southwest region of Paraná, Brazil. In the field, larvae counts were performed weekly on 25 plants of each cultivar, for 12 months, to verify the spatial and temporal distribution. Furthermore, in laboratory conditions, second instar larvae of P. forficifera were fed with olive leaves treated with Azadirachta indica oil, Bacillus thuringiensis, Metarhizium anisopliae and Beauveria bassiana, and the effectiveness in the larvae mortality was used to compare four bioinsecticides and control. The P. forficifera larvae occurred mainly during the three summer months, had a host preference for the ‘Arbequina’ (68.9% of total larvae) and occurred at random distribution patterns throughout the orchard. The A. indica oil and B. thuringiensis both caused almost 100% larvae mortality under laboratory conditions.
Impact of dolomite rock waste on soil acidity and absorption of Ca and Mg by barley and wheat
Authors: Litvinovich Andrey , Lavrishchev Anton , Bure Vladimir , Zhapparova Aigul , Kekilbayeva Gulnur , Saljnikov Elmira
Published: February 2023

ABSTRACT The dumps of dolomite dropouts from road construction occupy huge arable areas in north-western Russia. Although coarse dolomite particles neglected as a liming material due to its slow solubility, we hypothesise that they can serve as a cheap and long-lasting liming material. The weight loss of dolomite particles of various sizes from the dump applied to Albic Retisol and its effect on assimilation of Ca and Mg by barley and wheat were studied. The pot experiment with 300 g soil was conducted for 30 days in a laboratory phytotron. Results showed that coarse particles of dolomite waste had a positive effect on soil acidity already at the initial phases of the experiment. In the process of dissolution of dolomite, all forms of soil acidity decreased. The cultivation of barley had a stronger effect on the dissolution of dolomite particles than the cultivation of wheat. Barley plants accumulated Ca by 1.1-1.4 times higher than wheat, other factors being identical. The relationship between the yield of green biomass and the accumulation of calcium and magnesium in the plants were empirically described using regression analysis. Results of this preliminary study showed that the by-products from dolomite stone processing can be effectively used for reclamation of strongly acidic soil in north-western Russia. This has the dual benefit of reducing the burden on the environment and reclaiming acidic soils. Further studies should include soil microbiological and biological parameters to trace the effect of root activities and dolomite dissolution rate on a field scale.
Comparação das alterações angiográficas entre pacientes diabéticos e não diabéticos com doença arterial periférica
Authors: Trainotti Giovanni Ortale , Mariúba Jamil Victor , Bertanha Matheus , Sobreira Marcone Lima , Yoshida Ricardo de Alvarenga , Jaldin Rodrigo Gibin , Camargo Paula Angeleli Bueno de , Yoshida Winston Bonetti
Published: February 2023

Resumo Contexto Os diabéticos possuem risco de 5 a 15 vezes maior para o desenvolvimento de doença arterial periférica (DAP), e poucos estudos compararam fatores de risco e a distribuição e gravidade de alterações arteriais angiográficas entre diabéticos e não diabéticos. Objetivos Comparar alterações angiográficas entre pacientes diabéticos e não diabéticos com DAP avançada, correlacionando-as com demais fatores de risco. Métodos Trata-se de um estudo transversal retrospectivo de pacientes consecutivos submetidos a arteriografia de membros inferiores por DAP (Rutherford de 3 a 6), usando os escores angiográficos TASC II e de Bollinger et al. Os critérios de exclusão incluíram arteriografias de membros superiores, exames incompletos ou sem nitidez e cirurgias prévias. A análise estatística incluiu o teste do qui-quadrado ou exato de Fisher para variáveis discretas e o teste t para variáveis contínuas (significância: p < 0,05). Resultados Foram estudados 153 pacientes com idade média de 67 anos, sendo 50,9% do sexo feminino e 58,2% diabéticos. Um total de 91 pacientes (59%) tinha lesão trófica (Rutherford 5 ou 6), enquanto 62 (41%) tinham dor em repouso ou claudicação limitante (Rutherford 3 e 4). Entre os diabéticos, 81,7% eram hipertensos, 29,4% nunca fumaram e 14% tinham antecedente de infarto do miocárdio. Pelo escore de Bollinger et al., as artérias infrapoplíteas foram as mais comprometidas, em especial a tibial anterior (p = 0,005) nos diabéticos, enquanto a femoral superficial foi mais acometida nos não diabéticos (p = 0,008). Pelo TASC II, as alterações arteriográficas mais graves ocorreram no segmento fêmoro-poplíteo nos pacientes não diabéticos (p = 0,019). Conclusões Os setores infrapoplíteos foram os mais comprometidos nos diabéticos, enquanto o setor femoral foi o mais acometido nos não diabéticos.
Interatrial septal aneurysm associated with patent foramen ovale in a dog - case report
Authors: Rodrigues R.P.S. , Leitão K.R.S. , Sousa C.P. , Carvalho P.V.S. , Marques D.C. , Alves F.R.
Published: February 2023

ABSTRACT Atrial septal aneurysm (ASA) is a rare congenital deformity of variable clinical relevance, often reported in association with patent foramen ovale (PFO). Transthoracic Doppler echocardiography (TTE) is the first choice for diagnosis, but complementary techniques, such as microbubble contrast, should be used. Despite its importance, in Veterinary Medicine, there is little information related to the subject, and the present study is the second report of this condition in dogs. The objective was to report a case of ASA type IV LR associated with PFO in a Shar Pei bitch, diagnosed by a combined approach of transthoracic echocardiography backed by agitated saline solution (microbubbles). During clinical care, the owners reported episodes of seizures as their main complaint. Echocardiographic examination revealed a type 4 LR atrial septal aneurysm and left ventricular systolic dysfunction. The use of microbubble contrast showed right-to-left shunt, confirming PFO. The recommended treatment was medication. It was concluded that the rarity of ASA in dogs may be due to incomplete diagnoses and the transthoracic echocardiographic examination allows its analysis and classification. Furthermore, ASA can be found in animals with or without evidence of heart disease and it should be investigated in patients with neurological alterations.
Crise Democrática no Século XXI e Desafios da Pesquisa em Administração Pública
Authors: Santos Elisabete , Rossi Renata Alvarez
Published: February 2023

Resumo A pesquisa no campo da administração pública encontra-se permanentemente desafiada a refletir sobre a complexa relação que envolve a administração e democracia. O retorno ao cenário nacional e internacional de forças políticas situadas no campo da extrema direita, que recorrem às regras do jogo democrático como ferramentas contra a clássica democracia liberal, coloca desafios teórico-epistemológicos adicionais ao campo. Quais os desafios e perspectivas da produção do saber no campo da administração, particularmente no que diz respeito à articulação entre modelos de gestão e democracia, considerando projetos de sociedade e modelos de desenvolvimento? Esse debate requer a mobilização de conhecimento crítico, o redesenho de objetos de estudo, do significado da participação, o aprofundamento do caráter interdisciplinar da pesquisa, além de explicitar a dimensão política da relação entre res publica e democracia.
Demands and Resources in Work Mediated by Digital Platforms: A Scoping Review of the Literature
Authors: Carneiro Laila Leite , Medeiros Giulia Tescari , Araújo Irlan Souza de , Abbas Marian Assolin Abou
Published: February 2023

Abstract Work arrangements with hiring mediated by digital platforms (digiwork) have grown exponentially in recent years, both in the form of crowdwork and in the form of work on demand via app. However, there is still little systematization regarding knowledge about the elements that characterize this arrangement. Through a scoping review of the literature covering the period from 2005 to 2021, this study sought to identify the digiwork design characteristics, organizing it based on two specific categories: its requirements and the resources available to the worker. For that, it used the model of job demands and resources (JD-R) as a theoretical basis. After applying the inclusion and exclusion criteria, the 43 articles reviewed allowed for the identification of an important imbalance between the demands and resources present in digiwork. It also indicated many missing resources that make it difficult for workers to adequately deal with the demands of both the organization and the task. Among the most prominent demands, imprecision in labor categorization, surveillance via algorithmic management and self-management of risks stand out, while flexibility appears as the most cited resource present, and social protection as the most relevant resource absent. Taken together, the digiwork design characteristics may contribute to the worker's burnout process, in addition to interfering with their motivational process. This generates both suboptimal performance and damage to the worker’s health and well-being.
ECEC PROFESSIONALISATION AT A CROSSROAD: REALIZING AN INTEGRATED SYSTEM IN TIME OF REFORMS IN ITALY
Authors: Lazzari Arianna , Balduzzi Lucia
Published: February 2023

ABSTRACT In Italy, the issue of initial preparation and continuing professional development (CPD) of early childhood education and care (ECEC) workforce has become a particularly contentious issue in the light of the recent reform on the institution of the integrated ECEC system from birth up to six years. The article will critically review the historical evolution of the two different university degrees for the professional preparation of early childhood educators and pre-school teachers and will reflect on its implications for ensuring pedagogical continuity across the 0-6 sector.
Progressive tension protocol for muscle strength with Kinesio tape in runners - double-blind randomized clinical trial
Authors: Stocco Marieli Ramos , Del Antonio Ana Carolina Ferreira Tsunoda , Oliveira Raphael Gonçalves de , Jassi Fabrício José , Del Antonio Tiago Tsunoda , Andraus Rodrigo Antônio Carvalho
Published: February 2023

Abstract Introduction Kinesio tape (KT), although frequently used in sports, is still a matter of debate, and the results of studies that evaluated its effects on muscle strength (MS) in athletes are still inconclusive and contradictory. Objective To evaluate the effect of a progressive KT tension protocol on knee MS in runners over an eight-week intervention. Methods Clinical trial involving 49 runners of both sexes randomized into two groups: KT (KT with progressive tension protocol) and placebo (KT without tension). The MS of knee flexors and extensors was evaluated by isokinetic dynamometer (60º/s and 90º/s) at four moments: (1) without KT; (2) with KT and without tension; (3) without KT (after 8 weeks after of intervention); (4) with KT and with tension (after 8 weeks after of intervention). Inter- and intra-group comparisons were made. The significance level adopted was 95% (p < 0.05). Results There were no significant differences in MS between the groups at any of the evaluated moments. There was a statistically significant difference in MS (60º/s) in both groups (KT and placebo) when comparing moments 4 and 2 for knee flexors, and in the placebo group between moments 4 and 2 and moments 4 and 3 for knee extensors. Conclusion The progressive tension protocol of KT was not able to intervene in the SM gain of knee flexors and extensors of runners in inter and intragroup comparisons.
Challenges and Opportunities for Platinum in the Modern Three-Way Catalyst
Authors: Vlachou Maria C. , Marchbank Huw R. , Brooke Emily , Kolpin Amy
Published: February 2023

Gasoline vehicles have generally relied upon a combination of palladium and rhodium for more than 25 years to facilitate the required oxidative and reductive reactions of carbon monoxide (CO), hydrocarbons (HCs), and nitrogen oxides (NOx). Recently, steady increases in the price of palladium relative to platinum have fuelled demand to reincorporate platinum into three-way catalysts (TWCs). However, the fundamental properties of platinum, including susceptibility toward sintering and inhibition under typical gasoline operating conditions, present significant challenges. This article presents an overview of the origins for these challenges, as well as select strategies for maximising platinum’s contribution to modern-day TWCs. Optimisation of ceria-zirconia supports is one route by which platinum’s performance can be significantly improved through tuning of the ceria-to-zirconia ratio. Additionally, alloying platinum with a secondary platinum group metal (pgm), such as rhodium, leverages complimentary properties of both metals, imparting stability and overall activity enhancements. Such routes not only enable pgm flexibility, but also provide opportunities to further improve TWC performance.
Disposal of Environmental Samples from Water Bodies Infested with Zebra Mussels v2
Authors: A Barnard Malcolm
Published: February 2023

Zebra Mussels (Dreissena polymorpha) are a highly invasive species that have been invading water bodies around the United States and beyond. This protocol for sample disposal for sample collected from know zebra mussel infested water bodies to prevent spread though local water treatment facilities by bleaching the samples to kill any larvae or other potential zebra mussels in the sample water.
The Truth Will Set You Free? The Promises and Pitfalls of Truth‐Telling for Indigenous Emancipation
Authors: Maddison Sarah , Hurst Julia , Thomas Archie
Published: February 2023

First Nations in Australia are beginning to grapple with processes of treaty‐making with state governments and territories. As these processes gain momentum, truth‐telling has become a central tenet of imagining Indigenous emancipation and the possibility of transforming relationships between Indigenous and settler peoples. Truth, it is suggested, will enable changed ways of knowing what and who “Australia” is. These dynamics assume that truth‐telling will benefit all people, but will truth be enough to compel change and provide an emancipated future for Indigenous people? This article reports on Australian truth‐telling processes in Victoria, and draws on two sets of extant literature to understand the lessons and outcomes of international experience that provide crucial insights for these processes—that on truth‐telling commissions broadly, and that focusing specifically on a comparable settler colonial state process, the Canadian Truth and Reconciliation Commission. The article presents a circumspect assessment of the possibilities for Indigenous emancipation that might emerge through truth‐telling from our perspective as a team of Indigenous and non‐Indigenous critical scholars. We first consider the normative approach that sees truth‐telling as a potentially flawed but worthwhile process imbued with possibility, able to contribute to rethinking and changing Indigenous–settler relations. We then consider the more critical views that see truth‐telling as rehabilitative of the settler colonial state and obscuring ongoing colonial injustices. Bringing this analysis into conversation with contemporary debate on truth‐telling in Australia, we advocate for the simultaneous adoption of both normative and critical perspectives to truth‐telling as a possible way forward for understanding the contradictions, opportunities, and tensions that truth‐telling implies.
Projetos de continuidade: uma possibilidade para a implementação de soluções tecnológicas
Authors: Teixeira Elizabeth , Nascimento Marcia Helena Machado
Published: February 2023

Um campo de estudo emergente, a Ciência da Implementação (CI), nos chama a atenção para a importância de, após delinear e avaliar as melhores evidências sobre um problema de pesquisa se requer avançar na direção de testar, aplicar e avaliar os achados, com vistas a verificar as repercussões do que foi gerado e com isto contribuir com a prática em saúde global(1).
Factores asociados a la ideación y conductas suicidas una revisión de estudios en adolescentes y jóvenes de América Latina
Authors:   Universidad César Vallejo, Corrales Felipe Hugo Alfredo , Figueroa Garrido Patricia Luz ,   Universidad César Vallejo, Jiménez Noriega Ricardo Enrique ,   Universidad César Vallejo, Tirado Chacaliaza Karina Pamella ,   Universidad César Vallejo
Published: February 2023

El presente trabajo tuvo como objetivo identificar los factores asociados a la ideación y conductas suicidas en poblaciones de adolescentes y jóvenes de América Latina, bajo una revisión de tipo sistemática, se analizaron ocho artículos a través de los cuales se identificaron cuatro factores como los más resaltantes, que son; la escasa percepción de apoyo social, las actividades realizadas en el tiempo libre, las experiencias de violencia vividas y los recursos personales. Cuando estos son permanentes se convierten en factores de riesgo, al identificar estos factores se lograron tener un panorama de aquellos asociados al suicidio y a la vez se podrá intervenir y establecer acciones preventivas.
GEOLOGIA E GEOQUÍMICA DO STOCK SERRA DO CAPUXU: MAGMATISMO CÁLCIO-ALCALINO DE ALTO-K NO DOMÍNIO RIO PIRANHAS-SERIDÓ, PROVÍNCIA BORBOREMA
Authors: Fonseca Gian Araujo , Galindo Antonio Carlos , Medeiros Vladimir Cruz , Sá Jaziel Martins , Vilalva Frederico Castro Jobim , Dantas Elton Luís
Published: February 2023

O Stock Serra do Capuxu (SSC) está situado na porção setentrional da Província Borborema, na porção sudoeste do Domínio Rio Piranhas-Seridó. O stock intrude rochas gnáissicas do Complexo Caicó, dos quais guarda xenólitos, e trunca feições dúcteis prévias. Ocorrem enclaves tipo MME, localmente com feições de coexistência de magmas (mixing e mingling); e schlierens múltiplos e complexos. O SSC caracteriza-se por rochas leucocráticas (ΣMáficos=7,5-13%) de composição monzogranítica, textura equigranular fina/média, ocorrendo localmente fenocristais de K-feldspato (microclina). K-feldspato+plagioclásio+quartzo constituem mais de 85% modal; biotita é o principal máfico (6-10%); titanita, opacos, allanita e zircão são acessórios; e clorita, mica branca e carbonato ocorrem como produtos de transformações tardi-magmáticas. São rochas bastante evoluídas (SiO2=71,80-73,14), com teores de álcalis elevados (Na2O+K2O=8,25-8,77) e baixos teores de cálcio (CaO=1,23-1,69). Os espectros de elementos terras raras (ETR’s) mostram enriquecimento dos ETR’s leves, em relação aos pesados, com pronunciada anomalia negativa de Európio (Eu/Eu*=0,34-0,44). O índice de saturação em alumina do SSC revela um caráter transicional metaluminoso a peraluminoso (A/CNK=0,98-1,03). Diagramas discriminantes de séries magmáticas revelam, na sua maioria, afinidade química com rochas da série subalcalina (cálcio-alcalina de alto-K) e diagramas classificativos de ambiente tectônico associam o SSC a ambiente dominantemente pós-colisional. Esses dados são corroborados pela idade U-Pb em zircão de 579 Ma encontrada para o stock, sugerindo um alojamento tardi-tectônico para o SSC, consonante com os aspectos de campo do pluton. Postula-se uma fonte litosférica, mas diferente dos dioritos associados, para o SSC, possivelmente fusão de gnaisses do embasamento (baixo grau de fusão, face seus elevados e pouco variados teores de SiO2) gerando um magma já de natureza cálcio-alcalina de alto-K. Rochas com assinaturas similares têm sido denominadas de “Granitos Tipo-I Fracionados”
The results of using self-stigma reduction programs of HIV infected people in Akat Amnauy Hospital, Sakon Nakhon Province
Authors: Suttawanit Jirattikal , Phanawong Nava
Published: February 2023

Background: Thailand has been fighting AIDS for more than 30 years, with some success in lowering the number of new HIV cases and deaths, but the country still has a high HIV infection rate and struggles with unfair discrimination linked to both HIV and gender.
Methods: This action research was undertaken to reduce self-stigmatization of HIV-infected people in Akat Amnuay Hospital. The participants included 67 infected HIV cases at Antiretroviral clinic. Data collection was conducted from June 2022 to December 2022. Data collection from group activity, and individual follow-up. Qualitative data were analyzed by classification, inferential analyzing, interpret meaning, conclusions and explain explorer. Descriptive statistics and paired t-tests were analysis.
Results: The study found that Self stigma reduction programs of HIV infected people gained an understanding of the stages of self-management, enabling them to resolve issues correctly and have a positive impact on their own health. It also found that participants' self-stigma scores before and after the intervention differed significantly, and that self-stigmatism decreased significantly at.000.
Conclusions: The development of one's own power is one of the results of a program to reduce self-stigma. by spending more time dealing with unfavorable attitudes. Recognize your own worth and adopt a positive outlook. It is advantageous for hospital staff who oversee the HIV clinic to put in place a procedure for lowering self-stigma in new patients, patients who have missed appointments, and patients who take the medication erratically and experience complications.
Designing an Android-based Nursing Theory Reminder of Educational Game Application (GEMPITA)
Authors: Devita Yeni , Nita Yureya , . Junadhi , Hartini Sri , Suning Kusumawardani Sri
Published: February 2023

Nursing theory is an important thing to learn for nursing students. Nursing theory can be studied by students in philosophy and nursing theory courses. It can be seen from the results of the final evaluation that students obtained sufficient scores of 49%. This has an impact on the student achievement index and student professionalism in carrying out nursing practice, both in clinical practice and later when they have worked in nursing services. The learning method used by lecturers is to form groups and give assignments to students in the form of papers and presentation in the form of powerpoints in front of the class. Therefore, researchers try to make a learning innovation in the form of an android-based educational game. This educational game is called the nursing theory reminder education game (GEmPITA). This study aimed to design an android-based GEmPITA as an innovation for students’ learning media in philosophy and nursing theory courses. Mobile application development lifecycle model (MADLC) with 7 stages including the rapid application development method, with 3 stages, namely requirement planning, design system, and implementation. The results of this study are in the form of a prototype of an android-based game application that will be used by nursing students. By making the GEmPITA, an interactive educational game, students can learn nursing knowledge in a more fun way and make learning nursing science easier.
Keywords: gaming apps, education, android, nursing theory