bluuebunny/crossref_metadata_2025 huggingface dataset:
An overview of reptiles from the Kaplankyr Nature Reserve and adjacent territories
Authors:   Akhal Department of the Center for Prevention of Especially Dangerous Infections of the State Sanitary and Epidemiological Service of the Ministry of Health and Medical Industry of Turkmenistan, Shestopal A. , Amanov A. ,   Kaplankyr State Natural Reserve Environmental Protection Service of the Ministry of Agriculture and Environmental Protection of Turkmenistan, Ovezov T. ,   Kaplankyr State Natural Reserve Environmental Protection Service of the Ministry of Agriculture and Environmental Protection of Turkmenistan
Published: February 2022

The Kaplankyr Nature Reserve and encapsulated Shasenem and Sarykamysh nature sanctuaries are located at the junction between southern and northern types of deserts. Landscape diversity in this region therefore determines the richness of the herpetofauna. A critical review of literature devoted to the study of this territory and adjacent areas shows that an inventory process has not yet been completed. Thus, based on literature data our own materials, a list of reptile species from this region was compiled comprising 25 reptile species. Phrynocephalus guttatus salsatus are excluded from the list reptiles of the reserve, as erroneously identified, while information on the landscape distribution and abundance of reptiles is presented. Based on the criteria of the IUCN (2017), the state of the herpetofauna was assessed. In the Kaplankyr nature reserve and the Sarykamysh nature reserve, species of reptiles that are quite rare for Turkmenistan are protected including Alsophylax pipiens and Gloydius halys caraganus. We recommend to attach the salt marsh Gazaklyshor (Kazakhlyshor) to the territory of the reserve located 28 km west of the KZ - Kulantakyr cluster. This site is very interesting in geological and landscape terms as it contains three species / subspecies of roundheads (Ph. guttatus salsatus, Ph. ocellatus bannikovi, and Ph. helioscopus turcomanus), including the Kazakhlyshorskaya toadhead agama Ph. guttatus salsatus one of the rarest lizards of the saline deserts of Central Asia.
A Mini Review of Materials Used as Improvers for Insect and Arthropod Pest Repellent Textiles
Authors: Kamari Azlan , Najiah Mohd Yusoff Siti , Tin Susana Wong Siew , Fatimah Is
Published: February 2022

Nowadays, concern regarding health epidemics has led to extensive development of functional textiles that have protective functions. Clothing and fabric with insect repellent finishes is a promising and effective way to protect body from insect bites that may carry pathogens. In recent years, several innovations in insect repellent textiles, in particular on new materials and techniques to improve the efficacy and durability of the fabric, have been developed. This review discusses issues and challenges associated with insect repellent finishes. This review also focuses on materials used as improvers in insect repellent textiles whether at the production stage (used in modification fiber or yarn) or in the formulation for post-treatment. The techniques of synthesis, the rates of release, the durability, and insect repellency have also been highlighted in this review. This review offers valuable input to scientists who work in the field of functional textiles and especially from countries with insect-borne disease problems.
Thermal Management for Green Vehicle Batteries under Natural and Forced Convection Modes
Authors: Govindarajan Murali , Jayabalan Jaya , Venu Madhav Vajhala , Jayabalan Sabareesaan Kannammal
Published: February 2022

The life span, efficiency and safety of lithium-ion batteries can be enhanced by temperature reduction and heat transfer optimization. The current research focuses on the cooling of lithium-ion batteries by reducing their temperature with optimized aluminum plates, which act like fins and carry away the heat due to convection in between the cells. For that, a seven cell battery pack model was built and cooling was done with air as a medium, which was manually passed through the system at a specified velocity using a blower. Considering the safety and cost as a key factors, dummy cells made of aluminum plates with heating coils inside were used rather than the original Li-ion battery for experimental studies. Numerical investigation of the temperature distribution on fins and the factors affecting the temperature reduction were performed. Free convection and forced convection methods were considered for the model using various calculated film coefficients. A reduction of 10oC to 20oC in temperature can be achieved using air which flows at a velocity of 8.5m/s. Numerical results are compared with the experimental results and the differences are discussed.
Homogenizer-Assisted Extraction of Antioxidative Compounds from Whole Riceberry Flour and Quality Changes After Freeze-Drying Process
Authors: Khemacheewakul Julaluk , Prommajak Trakul , Leksawasdi Noppol , Techapun Charin , Nunta Rojarej , Hanprom Nattharika
Published: February 2022

The objectives of this study were to determine the optimum conditions for the extraction of whole riceberry flour, and to evaluate the effects of freeze-drying on the phenolic content and antioxidant activity of extracts during 6 weeks of storage. Response surface methodology and factorial experimental design were employed to study the effects of extraction time (10-30 s) and ethanol concentration (40-60%, v/v) on homogenizer-assisted extraction (HAE) of phenolic content and antioxidant activity. The HAE under optimum conditions (20 s and 60%) was able to extract a high phenolic content (76.4±2.0 mg GAE/g dw) and antioxidant activity (88.97±0.97 μmol Trolox/g dw). The accuracy and reliability of the extraction was confirmed and the optimal conditions were determined using response surface methodology and central composite rotatable design. In the case of the freeze-drying process, phenolic content and antioxidant activity decreased by 21.42±0.11 and 32.16±0.87% after 6 weeks storage, respectively. The regression model for the extraction of total phenolic content from riceberry flour that was developed might contribute to large-scale industrial applications aimed at obtaining the optimum extraction conditions by using homogenization methods. This study is a valuable contribution to the fields of adding value to riceberry flour and finding new sources of functional ingredients.
Potentials of biomass briquetting and utilization: the Nigerian perspective
Authors: Ichu. B. C  , Nwogu. N.A  , Agulanna A. C  , Nwakanma H. O
Published: February 2022

Nigeria can reduce its carbon dioxide (CO2) and other greenhouse gas emissions by switching from fossil-based to biomass-derived fuels. This abundant renewable resource with great potential is currently the most widespread form of renewable energy with comparatively little pollution emissions. Its utilization is further increasing globally due to the concerns over the deleterious effect of the use of fossil fuels on climate change, global warming, and human general well-being. Biomass can be converted into gaseous, liquid, and/or solid biofuels as well as other raw chemical materials and products. Among the biomass conversion technologies, biomass briquetting is one of the means that is storable and portable with a low heating cost. There is huge biomass briquetting feedstock in Nigeria but the technology and market are grossly underdeveloped. The gains of approving the ratification of the Doha Amendment of the Kyoto Protocol on climate change would help Nigeria attract financial assistance and develop its home-grown technologies for biomass briquetting.In line with that, the present study reviews the different sources of biomass available, biomass briquetting feedstock potentials, and the glaring energy paucity. It also highlighted the need for government to provide an appropriate policy framework for the growth of the industry.
Geological Characteristics and Petrography of Granite of Baru Area, Malakand, Pakistan
Authors: Asim Ali  , Yan Jie  , Rahman Ullah  , XIA Fei
Published: February 2022

Granites are the key rocks of the continental crust that occur in almost all the orogenic belts of the world. This research paper is focusing on the mineral resources and structural elements of granitic rock of the Baru area of Malakand Agency of Pakistan. Petrographical study and Geological mapping of the study were carried out in several rock units. The study is emphasizing on the regional and local geological setting as well as the origin and evaluation of different granitic rock units in the area of Baru, Malakand Agency, Pakistan. The mineralized fractures are in the form of a single fracture or group of fractures with convergence and divergence phenomena. The mineralized fractures are hosted by the fine-med. grained foliated granite is more pronounced as compared to the fractures in the fine-grained sheared granite/aplite.
Muscle deoxyribonucleic acid (DNA) concentration response to sublethal effect of ethanol extract of Nicotiana tobacum on juvenile African catfish (Clarias gariepinus)
Authors: Nwakanma, H. O  , Okorafor-Nwosu, A  , Nwamba, H. O  , Ichu, B. C.
Published: February 2022

Advancement in human knowledge in the utilization of available natural resources to effect positive changes, though useful in achieving the desired purpose, but if not effectively regulated and monitored, may sometimes present undesired side challenges. The quest to achieve nutritional sufficiency to the ever increasing human population through fish production is not left out in this phenomenon. To this effect, this research is meant to understand the muscle deoxyribonucleic acid (DNA) concentration response to sublethal effect of ethanol extract of Nicotiana tobacum on juvenile African catfish (Clarias gariepinus). Experimental fish were acclimatized for 14 days before bioassay and ethanol extract of tobacco leaf (Nicotiana tobacum) was made. Central composite design (CCD) in response surface method was applied to make a design matrix consisting of five design points per parameter or study factor. The study factors include exposure time, extract (pollutant) concentration and fish quantity per aquaria. Maximal effect condition as well as significant interactions were obtained and presented in contour and three dimensional plots. Individual effect of process conditions were studied as well. From the central composite design (CCD), process condition that has the maximum effect on DNA concentration in the fish muscle is; exposure time at 120 hours, extract concentration at 0.25 mg/l and fish quantity at 6. It was observed from the study on individual effects, that the process factors caused reduction in muscular DNA concentration of the African catfish (Clarias gariepinus).
Review on Genetic Variability and Divergence in Bread Wheat Triticum aestivum L
Authors: Charles Ugwu Ugwueze
Published: February 2022

Wheat (Triticum aestivum L.) is the second major food crop of the world in its importance next to rice. In Ethiopia the crop ranks third in terms of total production next to teff and maize. It is largely grown in the highlands of the country and constitutes roughly 20-30 % of the annual cereal production and plays an appreciable role of supplying the production with carbohydrates, proteins and minerals. Genetic diversity and variability are essential to meet the diversified goals of plant breeding such as breeding for increasing yield, wider adaptation, desirable quality, and pest and disease resistance. Genetic divergence analysis estimates the extent of diversity existed among selected genotypes. In common parlance, genetic variability and genetic diversity are considered synonym to each other which is erroneous. Genetic variability is the variation in alleles of genes or variation in DNA/RNA sequences in the gene pool of a species or population which expresses itself in terms of alternate forms in phenotype. Genetic diversity, on the other hand, is a broad term encompassing all the variability occurring among different genotypes with respect to total genetic make-up of genotypes related to single species or between species. Genetic similarity or dissimilarity can be compared by genetic distance between different individuals. Genetic distance can be used to measure the genetic divergence between different sub-species or different varieties of a species. Different characters of bread wheat show different contribution towards genetic variability and divergence. Estimate of heritability is very important to know the attribute to genetic variance not only in bread wheat but also in any crop plants.
Availability and Use of Visual Teaching and Learning Materials in Teaching Geography at Nassarawa Education Zonal Office
Authors: SAİD ABUBAKAR Ahmad , BELLO Zainab , HUSSAİN Ali , BELLO Nura Isyaku
Published: February 2022

The present study aimed at finding out if there are adequate visual teaching and learning materials for teaching Geography in Nasarawa Local Government Area of Kano State, and if these materials were been effectively and judiciously utilized by the teachers in teaching geography. The population of the study covers five secondary schools from five wards in Nasarawa L.G.A where a sample of 25 geography teachers both male and female was drawn. A questionnaire was used for the data collection while the data collected were analysed using the frequency and percentage distribution Table. The gathered data shown that visual materials were inadequate for the effective teaching of geography in Nasarawa L.G.A and the few available visual materials have not been effectively and judiciously utilized to teach geography. The study has made certain recommendations that important visual materials like barometer, thermometer, rain gauge, wind vane, computers, projectors, and geography laboratory should be provided for the effective teaching and learning of geography, and the government should ensure that seminars and workshops are organized for geography teachers to make them aware of the importance of using visual materials and motivate them towards discharging their duties effectively.
Reviewer Acknowledgements for Global Journal of Health Science, Vol. 14, No. 2
Authors: Grey Erica
Published: February 2022

Reviewer Acknowledgements for Global Journal of Health Science, Vol. 14, No. 2, 2022.
Competências socioemocionais no exercício da docência: uma análise quantitativa com professores em formação inicial
Authors: Irala Valesca Brasil , Ferreira Raíssa Grierson , Blass Leandro
Published: February 2022

Tem-se como objetivo descrever a percepção de professores em formação inicial de uma universidade pública brasileira frente a determinadas situações sociais de ensino, à luz das competências socioemocionais, com foco na gestão de relacionamento e regulação das emoções. O delineamento metodológico é quantitativo, sendo utilizado um teste intitulado Teste de Regulação e Compreensão de Situações Sociais no Ensino (TRUST), formulado por Aldrup et al. (2020), traduzido e adaptado ao contexto brasileiro. Como resultado, observou-se que a grande maioria das estratégias mais bem avaliadas pelos licenciandos foram as que se consideram mais efetivas no contexto do teste. Por meio de testes estatísticos efetuados no software Jamovi, não se identificou diferença nos resultados, nem em relação à idade e nem em relação ao período em que os respondentes se encontram nos cursos. A única diferença identificada foi em relação ao gênero, no que tange à regulação das emoções.
Distance Therapeutic Artmaking:
Authors: Damajanti Irma , Riswarie Ardhana , Fitri Lulu Lusianti , Wachyuni RR Sri , Wedyaswari Miryam
Published: February 2022

Therapeutic uses of art have been acknowledged since even before the emergence of art therapy as a discipline and profession. Over the last couple of years, the Psychology of Art course managed under the Visual Art Study Program ITB has included discussion and therapeutic artmaking practice for students from all over the university. During the beginning of the Covid-19 pandemic, the delivery of therapeutic artmaking practice in the classroom had to be adjusted. Therefore, a video guide was created to help the students to follow the course activities. This paper describes the process and the theoretical background of making the video guide as well as discussing some of the students’ reports using the self-concept framework and the effectiveness of distance therapeutic artmaking activities. The preliminary study used a quasi-experimental approach, specifically a pre-experimental design, towards Psychology of Art students in 2020. The data used included verbal reports and images, which were analyzed qualitatively using codification and content analysis with two raters to discuss the findings. The results showed that the activity was impactful towards students’ self-concept. In some findings, the participants elaborated how the activity had impacted them positively. In the future, this model of distant therapeutic artmaking can be further developed and distributed to give benefits to a larger audience.
Ocular Complications in diabetic children in Aseer region
Authors: Al-Amri Ali Mohammed , Shahrani Ibarhim Marie , Al Zomia Ahmad Saad , Alayash Ahmed Falh , Alhudaithi Muath Hussain , Almonawar Alhassan Alhussein , Asiri Abdulaziz Mohammed , Asiri Meshari Hassan , Alqarni Saeed Ali
Published: February 2022

Background: Diabetes mellitus (DM), a multi-systemic disease marked by hyperglycaemia, is becoming more common around the world. Diabetes mellitus (DM) is a well-known cause of many ophthalmic problems, including diabetic retinopathy (DR), macular oedema, cataract, refractive change, and micro-vascular paralytic strabismus. A significant public health effort has been made to create ocular screening regimens for diabetic patients, beginning at a young age. Aim: to assess the knowledge of diabetic children regarding the risk of ocular complications and prevalence of ocular complications among diabetic children. Methodology: A descriptive cross-sectional study was used targeting all accessible diabetic children aged less than 18 years or their care givers in Aseer region. Data were collected from participants using an online pre-structured questionnaire. The questionnaire covered the following data: participants’ socio-demographic data, diabetes related clinical data. The third part covered participants’ knowledge using multiple responses and mutually exclusive questions. The questionnaire was uploaded online using social media platforms by the researchers during the period from 17 November 2021 to 2 June 2022. All accessible and eligible population in the study setting were invited to fill in the attached tool. Results: A total of 499 children fulfilling the inclusion criteria completed the study questionnaire. Exactly 275 (55.1%) were males and 224 (44.9%) were females. None of the sampled children had other co-morbidities. Exactly 188 (37.7%) children had been diagnosed with DM for 6-10 years, 179 (35.9%) diagnosed for 11-15 years while 43 (8.65%) were diagnosed for less than 5 years. About 88% of the study participants agreed that diabetes may cause eye-related complications, and 87.6% agreed that early detection of eye diseases associated with diabetes may reduce their complications. A total of 85.2% think that the annual visit to the ophthalmologist for diabetics is important. Good control of HbA1c as the best method to prevent diabetic eye complications was known by 67.3% of the study participants. Conclusions: In conclusion, the study revealed that diabetic eye complications among children were not frequent with poor diabetic control. Participants’ knowledge regarding diabetes eye related complications was on average especially for the significance of ophthalmologist visits and early detection of the disorders. Keywords: Diabetes, eye complications, children, care givers, knowledge, awareness, Saudi Arabia
Effect of mixed organic and inorganic fertilizers on growth, leaf macronutrient contents and yield of pitaya(Hylocereus undatus) under field conditions
Authors: Jesus Lucas Marques  de , Souza Thiago  Arkim  Alves , Souza Max  Ramos , Castro Andressa  Vieira , Queiroz Renan Batista , Martins Júlio Cláudio
Published: February 2022

This study aimed to evaluate the effect of organic and inorganic fertilizers on the pitaya’s Hylocereus undatusperformance under field conditions. The experimental design used was Completely Randomized Block Design (CRBD). Five treatments consisting of the four different fertilizer dosages were included in this study, namely T1 (00-120-320-120); T2 (04-080-160-080); T3 (06-060-100-060); T4 (08-000-000-000) and T5 (Control: 00-000-000-000) of bovine manure (kg pit-1), urea (g pit-1), super simple (g pit-1) and potassium chloride (g pit-1), respectively. Parameters such as height, number, length, width, area, and volume of the cladodes were assessed at 20 and 320 days after planting. The number of fruits produced and mineral composition (N, K, Ca, Mg, P, and S) of H. undatusplants were also assessed. The results on morphometric characteristics of the cladodes, macronutrient composition and fruit yield have been recorded with higher values in treatments 3 and 4. However, according to the principal component analysis performed, treatment 3 was the one that correlated with the evaluated characteristics. The results have clearly indicatedthe importance of combination of adequate dose of mineral and organic fertilizer for better vegetative performance and yield of pitaya crop.
Physiological quality of irrigated rice seeds benefited in different UBS in the internal coastal plain of Lagoa dos Patos
Authors: Soares Cleo , Rossetti Cristina , Almeida Andreia , Melo Alejandro  José  de , Moura Diogo  da  Silva , Mambrin Ritieli , Tunes Lilian Vanussa Madruga de
Published: February 2022

The objective of the study is to evaluate the evolution of the physical and physiological quality of rice seeds throughout the processing process, analyzing the efficiencyof the equipment used in three Seed Processing Units (UBS) to produce certified seeds, located in the region of the inner coastal plain of Lagoa dos Patos. We know that the seed has to be made in the field, starting with the choice of the area, providing a good management and controlling invaders, pests and diseases, but we believe that UBS has a very important role in seed quality, and this is the purpose of this study. Each unit with its equipment on its production line was analyzed. The cultivar IRGA 424 RI was used in the three units, samples were taken at the exit of each equipment, tests for seedling emergence, germination, physical purity and determination of other contaminatingspecies were carried out. A gradual increase in purity and germination was observed along the processing line in the three UBS’s, except for the determination of weedy rice, where equipment was not efficient.
Métodos Multigrid Paralelos em Malhas Não Estruturadas Aplicados à Simulação de Problemas de Dinâmica de Fluidos Computacional e Transferência de Calor
Authors: Galante Guilherme , Rizzi Rogério L. , Diverio Tiarajú A.
Published: February 2022

Este trabalho apresenta dois métodos paralelos aplicados à solução dos problemas de dinâmica de fluidos e transferência de calor. Nos métodos propostos, a solução é obtida utilizando-se métodos multigrid paralelizados por decomposição de domínio, mais especificamente pelos métodos aditivo de Schwarz e complemento de Schur. Através dos experimentos, pode-se notar que as implementações propostas são computacionalmente eficientes e escaláveis.
FlowPGA: DataFlow de Aplicações em FPGA
Authors: Marzulo Leandro A. J. , Flesch Fabio H. , Nery Alexandre S. , França Felipe M. G. , Fernandes Edil S. T.
Published: February 2022

A arquitetura WaveScalar é a primeira arquitetura dataﬂow a apresentar uma interface de memória que mantém a semântica de acessos requerida pelas linguagens imperativas. Um protótipo da arquitetura, em desenvolvimento, permitiria passar de experimentação por simulação para um cenário mais real, com o processador desenvolvido em FPGA. No entanto, este protótipo não é acessível (financeiramente) para qualquer instituição que também queira produzí-lo. Neste trabalho é apresentada a FlowPGA, uma versão reduzida desta arquitetura para ser utilizada com FPGAs com pequeno número de células lógicas. Uma FPGA com 1,5 milhões de gates foi utilizada para implementação. A corretude da implementação foi avaliada com a execução de um programa de multiplicação entre dois números positivos usando sucessivas somas. Os resultados mostram que a arquitetura FlowPGA tem desempenho equivalente ao WaveScalar. Ainda, para avaliar a versatilidade do projeto, a FlowPGA foi modificada para utilizar um sistema de numeração RNS, com esforço de implementação de aproximadamente 20 horas.
Aprendizado por Reforço aplicado a escalonamento em Grids
Authors: Costa Bernardo Fortunato , Dutra Inês , Mattoso Marta
Published: February 2022

Aprendizado por reforço é uma técnica simples que possui aplicação em várias áreas. Um ambiente real de grid, em geral dinâmico e heterogêneo, oferece um ambiente interessante para sua aplicação. Neste trabalho, utilizamos esta técnica para classificar os nós disponíveis em um grid, dando suporte assim a dois algoritmos de escalonamento, AG e MQD. Um ambiente de grid real foi montado e experimentos foram realizados com estes dois algoritmos, de maneira a verificar seu impacto em um ambiente real, com e sem a presença de reescalonamento.
PBIW: Uma Codificação de Instruções Alternativa para Arquiteturas de Alto Desempenho
Authors: Batistella Rafael Fernandes , Santos Ricardo Ribeiro dos , Azevedo Rodolfo Jardim de
Published: February 2022

Este artigo apresenta a técnica de codificação PBIW. Essa técnica é baseada na fatoração de grupos de operações escalonadas em instruções codificadas e padrões. Uma instrução codificada não contém dados redundantes e é armazenada em uma cache de instruções. Os padrões são armazenados em uma cache de padrões. Foi realizado um estudo de caso desta técnica sobre esquemas de codificação de instruções denominados 2D-VLIW e EPIC em uma arquitetura de alto desempenho chamada 2D-VLIW. A técnica PBIW foi avaliada com os benchmarks MediaBench, SPECint e SPECfp. Os resultados revelam que a técnica PBIW produz programas até 81% menores que 2D-VLIW e até 46% menores que EPIC, além de programas até 96% mais rápidos que 2D-VLIW e até 69% mais rápidos que EPIC.
Mecanismo de Otimização de Consumo de Energia e Desempenho baseado na Variação de Parâmetro da Memória Cache e do Processador NIOSII
Authors: Silva Filho Abel Guilhermino , Lima Sidney Marlon Lopes de
Published: February 2022

O consumo de energia de uma hierarquia de memória cache pode atingir cerca de 50% de um sistema microprocessado[1]. Este projeto propõe: (i) um fluxo para estimar consumo de energia e desempenho computacional usando uma sistema SOC baseado em FPGAs, e (ii) um mecanismo de exploração de arquitetura com base na variação dos parâmetros da memória cache, utilizando o microprocessador NIOSII. Resultados, baseados nos benchmarks Mibench e Xirisc demonstraram que, em média, com exploração de 10% do espaço de busca, uma redução do consumo de energia de 28% pode ser alcançada, além de um aumento de 7% no desempenho para as 5 aplicações avaliadas. Adicionalmente, observou-se que foram encontrados resultados ótimos em 60% dos casos analisados.
HieraAnalyses - Uma ferramenta para análise hierárquica de programas paralelos
Authors: Seraphim Thatyana de F. Piola , Seraphim Enzo , Travieso Gonzalo
Published: February 2022

Informações detalhadas para a análise de desempenho de programas paralelos podem ser coletadas através de arquivos de trace. Geralmente, esses arquivos de trace contêm um registro de eventos individuais que ocorrem durante a execução do programa. Considerando que os eventos são geralmente de baixo nível, como operações de comunicação em um sistema paralelo, e que é cada vez mais comum para o programador de aplicações usar abstrações de alto nível (por exemplo, uma rotina paralela de autovalores), existe uma diferença semântica entre a informação coletada e os conceitos usados para o desenvolvimento da aplicação, impedindo o uso eficiente dessa informação. Neste trabalho, é proposta uma nova abordagem para arquivos de trace, onde os arquivos contêm informações sobre os diferentes níveis hierárquicos de uma aplicação. Os arquivos seguem o formato XML, onde as rotinas são tags XML, com rotinas auxiliares chamadas durante sua execução de tags filhos. A abordagem é demonstrada pela sua implementação para o nível da bilbioteca MPI e para o nível do OOPS, sendo este último um framework orientado a objetos com abstrações de alto nível para o desenvolvimento de programas paralelos que usam a biblioteca MPI para sua implementação. Para complementar este trabalho, ferramentas de análise usando o formato de arquivo são apresentadas.
Escalonamento Realimentado para Diferenciação de Serviços e Garantia de Desempenho em ambientes SOA com requisitos Soft-RT
Authors: Saito Priscila T. M. , Nobile Pedro N. , Monaco Francisco J.
Published: February 2022

Trabalhos abordando provisão de QoS em nível de aplicação têm recebido crescente atenção. Diversas técnicas de escalonamento têm sido propostas objetivando garantias relativas ou absolutas de responsividade. No primeiro caso, investigam-se algoritmos para diferenciação de serviços baseados em atendimento preferencial à classes de serviço com distintas prioridades; no segundo, pretende-se oferecer garantias de desempenho especificadas para cada classe independentemente uma das outras. A integração de QoS relativa e absoluta não tem sido explorada da mesma forma. Este artigo apresenta uma estratégia de escalonamento realimentado capaz de atender a requisitos de QoS formulados em termos de limites superiores para o tempo médio de resposta das requisições, além de especificar que determinadas classes de usuários terão prioridade sobre outras.
MPI Broadcast com Compressão de Números de Ponto Flutuante
Authors: Camata Jose J. , Elias Renato N. , Coutinho Alvaro L. G. A.
Published: February 2022

Aplicações cientificas desenvolvidas para sistemas paralelos de memória distribuída consomem parte do seu tempo total de execução trocando dados entre processos. Portanto, aprimorar o desempenho das rotinas responsáveis pela comunicação vem ganhando cada vez mais importância. Neste contexto, este trabalho investiga a utilização de um algoritmo de compressão de ponto-flutuante na transmissão de mensagens longas. Este algoritmo foi implementado na primitiva broadcast do MPI e foram efetuadas medições de desempenho para diferentes tipos de mensagens em até 512 núcleos de processamento. Os resultados obtidos demonstram que a compressão pode acelerar significativamente o broadcast padrão do MPI.
Uma abordagem de alto desempenho para multiplicação de matrizes densas em sistemas reconfiguráveis
Authors: Souza Viviane Lucy S. , Medeiros Victor W. C. de , Lima Derci de O. , Lima Manoel E. de
Published: February 2022

A demanda por máquinas de alto desempenho e por novas estratégias que buscam melhorar o processamento de dados em aplicações de computação científica tem crescido muito nos últimos anos. Algumas novas arquiteturas baseadas em GPU, processadores Cell e FPGA ou ainda plataformas híbridas aparecem como soluções para esses problemas. Neste trabalho nós apresentamos uma arquitetura de alto desempenho para implementação de multiplicação de matrizes densas em uma plataforma comercial híbrida, o RASC (Reconfigurable Application-Specific Computing). O RASC foi desenvolvido pela Silicon Graphics e consiste em uma plataforma composta por um processador de propósito geral acoplado a co-processadores baseados em FPGA. A arquitetura proposta investiga como a solução do problema de multiplicação de matrizes pode tirar proveito das características de uma plataforma com alto grau de paralelismo. Nós também investigamos a escalabilidade do algoritmo e os mecanismos de reuso de dados. Baseado nessas investigações um estudo de caso é sugerido e discutido me detalhes.
Estimativa de Consumo de Energia em Nível de Instrução para Processadores Modelados em ArchC
Authors: Ma Josué Tzan Hsin , Azevedo Rodolfo
Published: February 2022

A constante redução do tamanho e o conseqüente aumento do número de transistores em um mesmo chip faz com que a potência dissipada pelos circuitos digitais aumente exponencialmente. Esse fato, combinado com a crescente demanda por dispositivos portáteis, têm levado à uma crescente preocupação quanto ao consumo de energia. Quanto mais potência é dissipada mais calor é gerado e mais energia é gasta com o seu resfriamento. Como resultado, projetistas estão considerando cada vez mais o impacto do consumo em suas decisões. Atualmente, Linguagens de Descrição de Arquiteturas (ADLs) têm sido utilizadas para projetar novos processadores. Essas linguagens descrevem o comportamento da arquitetura para cada ação ou instrução. ADLs, além de diminuirem o tempo de projeto, são úteis para descobrir problemas arquiteturais em um nível mais elevado. Nesse trabalho, foi desenvolvida uma ferramenta de estimativa de consumo de energia em nível de instrução utilizando-se como base a ADL ArchC e, como estudo de caso, um processador (ISA) SPARCv8. Como resultado do uso da ferramenta desenvolvida, uma simulação de um programa com estimativa de consumo de energia pode ser realizada 100 vezes mais rápida, na média, em relação ao fluxo tradicional.
Semantic Web and Ontology applied to Web Services Discovery with QoS
Authors: Nakamura Luis H. V. , Estrella Julio C. , Santana Marcos J. , Santana Regina H. C.
Published: February 2022

This paper presents a study on the use of Semantic Web and Ontology created with the OWL (Web Ontology Language) to sort and selectWeb Services according to its Quality of Service (QoS) attributes. The focus of this paper is to evaluate the performance of this approach in accordance with some adopted parameters. To this end, two algorithms that use Semantic Web resources have been developed in order to make the discovery of appropriate Web Services in the ontology. At the end of this article, the results of a performance evaluation are presented and analyzed.
Simulation of Scale Free Gene Regulatory Networks based on Threshold Functions on GPU
Authors: Campos Raphael R. , Ferreira Ricardo , Vendramini Julio C. Goldner , Cerqueira Fábio , Martins Marcelo Lobato
Published: February 2022

Gene regulatory networks have been used to study diseases and cell evolution, where Random Boolean graphs are one of computational approaches. A Boolean graph is a simple and effective model, and its dynamic behavior has been used in several works. This article proposes an efficient environment to simulate Boolean graph on GPU (Graphics Processing Units). The dynamic behavior of a Boolean graph is computed by visiting the whole or a subset of state space. The proposed tool is based on statistical approaches to evaluate large graphs. Moreover, it can take into account scale free graphs with threshold functions. The experimental results show a speed-up factor of up to 40 times. In addition, the exploration of state spaces three orders of magnitude greater than previous approaches have been evaluated.
COVID-19 and Influenza: Differences, Similarities, and Coinfection
Authors: Shirvani Fariba , Babaie Delara , Karimi Ahmad Moein
Published: February 2022

Context: COVID-19 and influenza coinfection may increase mortality and morbidity during the COVID-19 pandemic. Recognizing the differences and similarities between COVID-19 and influenza helps us diagnose and treat these 2 diseases. Accordingly, we aimed to compare virologic, clinical, paraclinical, and radiological features and prophylactic and therapeutic management of SARS-CoV-2 and influenza infections. We also provided an algorithmic approach to the diagnosis and treatment of SARS-CoV-2 and influenza coinfection in children. Evidence Acquisition: Electronic databases, including Cochrane Collaboration, PubMed, Google Scholar, and EMBASE, were searched for the articles published in English language using the following keywords: “influenza virus,” “SARS-CoV-2 virus,” “COVID-19,” “comparison,” “coinfection,” “management,” “treatment,” “antiviral therapy,” “vaccines,” “children,” and “adults.” Boolean operations (AND and OR) were used to refine the search. No date limitation was applied. Results: SARS-CoV-2 and influenza are both RNA viruses with different receptors. The reproductive rate of SARS-CoV-2 is higher than influenza. Patients with SARS-CoV-2 infection, particularly adults, have higher rates of anosmia/ageusia. Organ involvement occurs more frequently in COVID-19 cases, and multisystem inflammatory syndrome in children (MIS-C) occurs especially in children. Disease severity, excessive immune response, and mortality are higher in SARS-CoV-2. Radiological peripheral lesions and ground-glass appearance are characteristic of COVID-19 infection. It is important to rule out influenza and SARS-CoV-2 infection in patients with respiratory problems during the pandemic. Timely prescription of currently available antiviral drugs is essential. Conclusions: Treatment of patients suspected of having a coinfection is determined by the patient’s condition and polymerase chain reaction (PCR) evaluation.
A Polanyian Appraisal of Likert-Scale Measurement in Social Psychology
Authors: Barnes Collin D. ,   The Polanyi Society
Published: February 2022

Rating scales that link numbers to verbal labels are ubiquitous in social psychological research and are used to re-express individuals’ attitudes on wide-ranging matters in quantities that can be treated statistically. These re-expressions pay tribute to an objectivist framework, but at the expense of eclipsing the powers of personal knowing Polanyi attributes to other minds. This fact comes to the fore in the present paper through an investigation of Polanyi’s analysis of linguistic indeterminacy, indication and symbols, and the application of neurological models to persons who are competent to make sense of their own lives. Accrediting the result of this inquiry compels one dedicated to Polanyi’s thought to wonder how social psychology ought to be conceived. Clues to an answer appear in the educational bonds formed between mentors and pupils in the transmission of cultural lore.
Michael Polanyi and Bessel A. van der Kolk on the Healing Power of Metaphor
Authors: Hyatt Robert P. ,   The Polanyi Society
Published: February 2022

In this essay, I contend that Polanyi’s view of metaphor as outlined in Meaning (1975), has important heuristic implications for understanding the way metaphor functions in trauma therapy. I also contend that in his seminal book on trauma, The Body Keeps the Score (2014), Bessel van der Kolk, M.D., although he rarely uses the term, relies on metaphor as a vital element in his treatment of trauma victims. Analysis of Van der Kolk’s practice further confirms and extends Polanyi’s view of the bodily roots of all knowledge. Juxtaposing Polanyi’s theory and Van der Kolk’s practice demonstrates how unspeakable trauma can be overcome through the embodied metaphoric/linguistic matrix of human speech.
Effect of Ventilation on Cavity Formation on Stepped Planing Hulls
Authors: Ricks Andrew , Morabito Michael Gorts , Datla Raju
Published: February 2022

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A stepped planing hull is a type of high-speed boat with a transverse break in the bottom of the hull. The step allows the hull to run at a higher trim angle, and also reduces the wetted surface area at planing speeds because of a pocket of air that forms aft of the step, often reducing the frictional resistance. This paper summarizes model tests that were conducted on a prismatic planing hull, with two adjustable stern sections, to form either a single- or twin-step planing hull. Measurements were made of the resistance, heave, wetted lengths, and cavity pressures behind the steps for various speeds at fixed trim. The ventilation cases included natural ventilation, augmented ventilated by means of vent tubes located behind the step, and reduced ventilation, where the flow was blocked off from the step by closing the vent tubes and adding longitudinal fences to either chine to prevent air inflow. Blocking off the ventilation causes negative pressures to form and increases resistance. Tests conducted in waves showed that the size of the ventilation cavity behind a step is not affected significantly by small waves, indicating a shielding effect of the hull.

Introduction

Stepped hulls are becoming increasingly commonplace in high-speed craft for both military and recreational purposes. A stepped hull is a type of planing boat, in which there is a discontinuity in the bottom, resulting in flow separating from the step and reattaching father aft along the hull. This feature can reduce resistance in some cases. Although they’ve been in use for over a century, they remain a challenge to design and to physically model.
Plenitud de la decoración barroca para una sociedad barroca en Río de Janeiro durante el siglo XIX
Authors: Castro Brunetto Carlos Javier
Published: February 2022

The nineteenth century in Rio de Janeiro exemplifies the battle between the Baroque language that survives through great artistic commissions that began in that period, and the progressive arrival of the classical taste brought by the French Missão Artistica of 1816 invited by Joao VI, King of Portugal, and which will, later, lead to the founding of the Imperial Academy of Belas Artes. But this confrontation of aesthetic models does not follow a chronological order in the manner of Europe, nor does one style succeed the other, but coexist in the same space and time. The survival of the organizational forms of the colonial period, the intervention of black in artistic creation and ecclesiastical patronage favored that baroque aesthetics not only survive, but gain extraordinary strength, deomining the academic councils that advocated the new classicist order. The struggle between tradition and modernity, Baroque and classicism, is the aim of this essay, which through the analysis of some case studies seeks to demonstrate that Rio de Janeiro, in the nineteenth century, was also a notoriously Baroque city.

El siglo XIX en Río de Janeiro ejemplifica el combate entre el lenguaje barroco que pervive a través de grandes encargos artísticos que se iniciaron en ese periodo, y la progresiva llegada del gusto clásico traído por la Missão Artistica francesa de 1816 invitada por el rey de Portugal d. João VI y que dará lugar, más adelante, a la fundación de la Academia Imperial de Belas Artes. Pero ese enfrentamiento de modelos estéticos no sigue un orden cronológico a la manera de Europa, ni un estilo sucede al otro, sino que conviven en un mismo espacio y tiempo. La pervivencia de las formas organizativas del periodo colonial, la intervención del negro en la creación artística y el mecenazgo eclesiástico favorecieron que la estética barroca no solo subsistiese, sino que cobrase una fuerza extraordinaria, desoyendo los consejos académicos que propugnaban el nuevo orden clasicista. La lucha entre tradición y modernidad, barroco y clasicismo, constituye el objetivo de esta publicación, que a través del análisis de algunos casos prácticos pretende demostrar que Río de Janeiro, en el siglo XIX, también fue una ciudad notoriamente barroca.
La última batalla del emperador del mundo
Authors: Tejero López Miriam
Published: February 2022

Al abordar el estudio de la imagen literaria de Carlos V, son cuantiosos los relatos de orden heroico que exaltan su grandeza. Sin embargo, el escritor argentino Mujica Láinez, en Un novelista en el Museo del Prado, refleja no sólo eso, sino también su propio temperamento melancólico a través del Carlos V en la batalla de Mühlberg de Tiziano, la pintura más emblemática del emperador. En el cuento final de su última novela, el César pretende librar la batalla más importante de su vida, aquella para la que se preparó en el remoto monasterio extremeño de Yuste. Se enfrenta a un enemigo difícil, pero no imposible de vencer. Un breve recorrido, en busca de la gloria eterna, en el que la melancolía es el elemento conductor para que pintura y poesía se fundan, dando lugar a un retrato muy acertado del que fue emperador del mundo en el siglo XVI.
Warhol y su dimensión publicitaria hasta la actualidad
Authors: Mena García Enrique
Published: February 2022

It is intended with the figure of Andy Warhol to demonstrate how everything originated in artistic and design postulates has transcended, since those early 1960s marked by a new era of social revolution and counterculture. Set in an artistic context of revulsive abstract expressionism that is in decline, to give way to Pop Art with that Kitsch trend that we will analyze, especially in Andy Warhol, whose prestige endures with an imperishable aesthetic. The method of the article follows in the footsteps of this artistic icon as a possessor of a double face, who undertook a momentous turn in his career that catapulted him to fame when he settled in New York. A popularity evidenced in its artistic trend that floods the world of advertising and marketing and, whose journey will have a surprising result at this time of the 20th century, which we qualify as an unprecedented historical-artistic inflection, through whose discussion we discover how those Trends are just as prevalent among designers, artists, and publicists.

Se pretende con la figura de Andy Warhol demostrar cómo trasciende todo lo originado en postulados artísticos y de diseño, desde esos comienzos de la década de 1960 marcada por una nueva era de revolución social y contracultura. Situados en un contexto artístico de revulsivo expresionismo abstracto que camina en decadencia, para dar paso al Arte Pop con esa tendencia Kitsch que analizaremos, en especial, en Andy Warhol, cuyo prestigio perdura con una estética imperecedera. El método del artículo sigue los pasos de este icono artístico como poseedor de una doble cara, que acometió un giro trascendental en su carrera que lo catapultó hacia la fama al establecerse en Nueva York. Una popularidad evidenciada en su corriente artística que inunda el mundo de la publicidad y el marketing y, cuyo recorrido tendrá un resultado que sorprende en este momento del siglo XX, que calificamos como de inflexión histórico-artística sin precedentes, por cuya discusión descubrimos cómo aquellas tendencias continúan igual de vigentes entre diseñadores, artistas y publicistas.
Animación de objetos y de formas en los cineístas murcianos. Influencias de la animación internacional en el cine amateur
Authors: Salas González Carlos
Published: February 2022

The amateur film movement which emerged in Murcia in the fifties is one of the most outstanding elements in the culture and art of the city in the last century. With a wide and varied production of short films, Murcia became the second national focus in this kind of creations, being Barcelona the leader. The goals of this study are valuing the remarkable role of animation films in the mentioned production, specifically those animating objects and abstract forms, as well as evidencing the important influence that the main international directors of this type of animation had on them.

El movimiento de cine amateur que surgió en Murcia en los años cincuenta constituye uno de los elementos más destacables en la cultura y el arte de dicha ciudad en la última centuria. Con una extensa y variada producción de cortometrajes, Murcia pasó a ser el segundo foco nacional, tras Barcelona, en lo referente a este tipo de creaciones. El objetivo de este estudio es poner en valor el notable papel que en dicha producción representaron los filmes de animación, en concreto los de animación de objetos y de formas abstractas, así como evidenciar la importante influencia que en ellos tuvieron los principales realizadores de este tipo de animación a nivel internacional.