bluuebunny/crossref_metadata_2025 huggingface dataset:
Literatura, intermidialidade e ensino
Authors: Vieira Erika Viviane Costa , Führer Heidrun , Vieira Miriam
Published: August 2021

A proposta deste volume nasceu de uma inquietação de que a intermidialidade pode ser ensinada e contribuir para uma formação mais holística do licenciando em Letras. Lidamos com essa instância denominada “texto” que não se restringe mais a impressos apenas. Os gêneros literários se ampliaram ao abrirem-se às imagens e ao digital, em um movimento de trocas semióticas constante, mas que ainda não foram completamente assimilados e validados pela academia, de maneira a integrar os currículos. Neste cenário, este volume busca encontrar percursos possíveis para pensar em estudos, conceitos e metodologias dessa área que possam se integrar à formação de professores e suas práticas educacionais.
Literatura e(m) mídias
Authors: Da Silva Pardo Fernando , Cristina Marins Liliam
Published: August 2021

Este artigo objetiva suscitar reflexões e insights em relação ao estímulo de práticas pedagógicas que possam considerar o trabalho com a literatura e(m) outras mídias. Partimos da hipótese de que a construção de tais práticas para além de sequências didáticas pré-moldadas, que parecem lançar mão das adaptações intermidiáticas como uma prótese provisória para se chegar ao texto literário escrito, exigiria um passo adiante da mera integração entre as disciplinas e a constituição de epistemologias de fronteira – entre disciplinas, mídias e abordagens teóricas. A partir de um aporte baseado em autores como Clüver (2012), Rajewski (2005) e Wolf (2011), consideramos como o conceito de expansão interpretativa (MONTE MÓR, 2018) pode promover a construção de uma praxis indisciplinada na abordagem das adaptações intermidiáticas literárias no ensino,  provocando a literatura a sair de sua “disciplina” tanto em questões curriculares, quanto em relação a uma tradição pautada na égide da escrita e do cânone.
Ensino de literatura e multimodalidade
Authors: Toti Carolina Natale
Published: August 2021

Este artigo analisa a relação entre o conto Don’t Look Now (2008), da escritora Daphne du Maurier, e a transposição cinematográfica homônima (1973), dirigida por Nicolas Roeg. O objetivo é observar quais implicações o letramento multimodal pode ter no ensino de literatura. A noção de letramentos aqui utilizada considera que cada contexto social possui modos próprios e múltiplos de ensino e aprendizagem (Street, 2001); e que o letramento contemporâneo implica em ensino multimodal (Kress, 2003). Já a ideia de multimodalidade é entendida como recursos de representação que constroem sentido (Kress e Jewitt, 2010). Para a leitura do filme, utilizamos as ferramentas de análise fílmica propostas por Jullier e Marie (2009). Consideramos que a associação entre diferentes modos de letramento pode contribuir para a formação leitores aptos a agir de maneira informada e crítica no mundo multimídia.
Royal Shakespeare Company‘s #dream40
Authors: Nogueira Clara Matheus
Published: August 2021

William Shakespeare is one of the greatest authors of the English language and is present in multiple school curricula. However, reading Shakespeare in classrooms can be a challenge for both teachers and students. In schools, adaptations from literature to social media platforms, such as #dream40, a production by the Royal Shakespeare Company, remain not fully explored. In this paper, this production is presented as a possible ally in the effort of bringing the English canon closer to the students’ reality, making the Bard more engaging and accessible, since this production uses mechanics that are part of most students’ daily lives on social networking platforms, such as the hashtag that appears in the title of this production; besides, #dream40 is closely aligned with our contemporary paradigm of worldview.
Sobrevivências
Authors: Augusto Yara
Published: August 2021

Este artigo apresenta o projeto de extensão SobreVivências, inserido nas áreas de arte, cultura e comunicação e desenvolvido no CEFET-MG. Esse projeto teve por objetivo estimular o engajamento discente em processos criativos interartísticos/intermidiáticos, que envolvessem a experimentação de diferentes linguagens, técnicas artísticas e ferramentas de comunicação, com vistas à produção e difusão de obras artísticas e iniciativas culturais que representassem uma contribuição direta ao movimento de ações de enfrentamento à Covid-19. Compreendeu o estudo orientado, práticas criativas e a divulgação de produção interartística/intermidiática, como meio de disseminação de informações e conhecimentos corretos e qualificados sobre o combate à pandemia. As ações em cursos na criação/comunicação e a distribuição gratuita do livro de autoria coletiva são meios pelos quais se buscou alcançar uma atuação extensionista dirigida a um público amplo. O referencial teórico interdisciplinar utilizado contempla trabalhos das áreas de Estudos Interartes/Intermidiáticos; Teoria da Arte; Antropologia Visual e outras.
Interview with Heidrun Führer (Lund Universitet, Sweden)
Authors: Vieira Erika Viviane Costa , Vieira Miriam
Published: August 2021

Entrevista com Professora Heidrun Führer (Universidade de Lund, Suécia) concedida a Erika Vieira e Miriam Vieira em 17 de dezembro de 2020.
WebMapa: Desenvolvimento de Mapas Web por um Complemento QGIS
Authors: Amorim Fabricio Rosa , Schmidt Marcio Augusto Reolon
Published: August 2021

Este trabalho descreve o processo de construção e validação de um (a) plugin / ferramenta em Sistema de Informações Geográficas (SIG), utilizado para desenvolvimento de mapas Web / online. O plugin, denominado WebMapa, ainda em desenvolvimento, permite ao usuário adicionar elementos cartográficos às páginas da Web, tornando-os interativos e funcionais. O plugin WebMapa foi construído no software QGIS, utilizando a linguagem de programação python. O sistema foi desenvolvido como um mecanismo de busca que permite aos usuários escolherem informações e elementos de mapas, bem como simbolizá-los. As escolhas possíveis são os seguintes elementos de mapas: base cartográfica (ex.: OpenStreetMap, Google Maps), bússola, escala, localização do usuário no mapa, edição em tela, cálculo de rota entre pontos de partida e chegada. O resultado do processamento do plugin WebMapa foi construído como um Web site disponível no formato de saída .html (HTML - Hypertext Markup Language / Linguagem de marcação de hipertexto). Desta forma, o sistema se torna multiplataforma, uma vez que pode ser acessado como um web site em qualquer tipo de navegador Web independente do sistema operacional.
O Efeito da Carga Hidrológica e sua Influência no Deslocamento e nas Velocidades de Estações GNSS na Bacia Amazônica Brasileira
Authors: Nascimento Lécio Alves , Dal Poz William Rodrigo , Freitas Krisley Xavier Soares
Published: August 2021

Fenômenos geodinâmicos e de deformação crustal alteram as posições de pontos na superfície terrestre. Alguns destes, como a carga hidrológica (water storage e hidrological load), tem expressividade em regiões específicas, como a Amazônica, consistindo-se como uma característica local. Seu efeito se manifesta como deformações viscoelásticas temporais na superfície terrestre e não são considerados na modelagem do PPP (Posicionamento por Ponto Preciso). Nesse sentido, o presente trabalho objetiva investigar a influência da carga hidrológica no deslocamento de nove estações da RBMC (AMBC, AMCO, AMHA, AMMU, AMTE, AMUA, ITAM, NAUS e PAIT) situadas na Bacia Amazônica, utilizando séries temporais posicionais geradas no IBGE-PPP. As séries de componentes verticais (Δu) apresentaram maiores amplitudes, quando comparadas às séries de componentes norte (Δn) e este (Δe). A estação NAUS apresentou maior amplitude média para série Δu (0,073 m) e amplitude máxima em 2012 (0,084 m), justificável pela maior cheia histórica. As séries Δn apresentaram resultados similares à série Δu, porém com amplitudes menores. A estação NAUS obteve amplitude máxima (0,023 m) em 2012 e 2015 para série Δn, justificável pelas cheias, e amplitude média de 0,020 m. Em relação às séries Δe, maior amplitude média (0,016 m) foi obtida por AMBC. Comprovado o efeito da carga hidrológica nas componentes posicionais, comparou-se as velocidades derivadas das séries e do VEMOS2009, em que Vn, Ve e Vu apresentaram discrepâncias variando entre -0,0001 e 0,0014 m; -0,0021 e 0,0017; e -0,0027 e 0,0084 respectivamente.
Agroecologia
Authors: Scarpari Karini Aparecida , Zimmermann Silvia Aparecida
Published: August 2021

O trabalho investiga como se desenvolve a Agroecologia entre os agricultores familiares de Foz do Iguaçu/PR. O objetivo é descrever o processo de organização social dos agricultores familiares de Foz do Iguaçu ligados ao Núcleo Oeste da Rede Ecovida de Agroecologia. O referencial teórico analítico utilizado corresponde a dimensão social da Agroecologia, portanto, é um trabalho de caráter qualitativo que contou com dados empíricos como questionário e entrevistas semiestruturados coletados durante a pesquisa de campo. O artigo está subdividido em cinco partes: introdução ao tema proposto, a dimensão social da Agroecologia, o histórico da região Oeste e os fatores que determinaram o desenvolvimento das agriculturas de base ecológica nessa região e análise do processo de organização social dos agricultores familiares de Foz do Iguaçu. Por fim, evidencia-se que entre os fatores que influenciaram a produção e comercialização de produtos agroecológicos e consequentemente a estruturação do Grupo Ecoiguaçu está a formação de uma Rede de ATER que conta com a participação de diferentes organizações que demostram interesse em promover o desenvolvimento rural sustentável na região Oeste do Paraná.
A face feminina da pobreza no território meio Oeste Contestado, Santa Catarina
Authors: Tecchio Andréia , De March Kety Carla
Published: August 2021

No Brasil, as mulheres conquistaram igualdade jurídica a partir da Constituição de 1988. Nos últimos anos, políticas públicas estatais voltadas para grupos de maior vulnerabilidade social as têm trazido para a centralidade da gestão familiar. É a relação entre essas mulheres e as políticas públicas de enfrentamento à pobreza que este artigo analisa. A pesquisa de campo foi realizada na região Oeste de Santa Catarina, entre abril e maio de 2016. Selecionamos 10 municípios com base nos critérios de diversidade de contextos sociais, econômicos e demográficos e entrevistamos 40 famílias assistidas pelo Programa Bolsa Família e 10 profissionais da assistência social. Utilizamos como método de coleta de dados, entrevistas semiestruturadas. Os resultados da pesquisa indicam que na divisão do trabalho por gênero, as atividades domésticas e cuidados com os filhos ficam a cargo das mulheres e implicam no reforço da situação de pobreza, gerando privações em relação ao trabalho remunerado, uma vez que exigem presença constante nos domicílios. Outra situação de vulnerabilidade é a violência doméstica, que levou algumas mulheres a optarem pelo término do relacionamento afetivo, o que, na maioria dos casos, obrigou-as a arcarem sozinhas com o sustento dos filhos. Outras, temendo represálias, não efetuam denúncias aos órgãos competentes. As mulheres entrevistadas vivem uma maior vulnerabilidade em relação aos homens e embora as políticas públicas implementadas nas últimas décadas tenham melhorados suas condições de vida, não há ações específicas direcionadas à sua emancipação.
Dados educacionais com foco na evasão escolar
Authors: Silva Wilney Fernando , Costa Lidinei Santos , Anjos Dieny Eduarda Santos dos
Published: August 2021

O presente trabalho objetiva fazer um diagnóstico acerca da evasão escolar no Instituto Federal do Norte de Minas Gerais - Campus Avançado Porteirinha, apontando os principais motivos do fenômeno. Como instrumento de coleta de dados, utilizou-se um questionário, aplicado aos discentes que ingressaram na instituição no ano de 2018 e evadiram-se. Foram identificadas as seguintes causas: incompatibilidade entre horário de trabalho e estudos, dificuldade de deslocamento, baixa renda familiar, didática e desconhecimento da profissão e do curso. Conclui-se que tais fatores possuem abrangência interna e extraescolar, demandando o esforço para que a escola compreenda a conjuntura em que os discentes estão inseridos e busque realizar ações preventivas para minimizar tais causas.
A exigibilidade do direito à educação básica no Brasil
Authors: Gonçalves Aline de Barros Vidal , Silveira Adriana Aparecida Dragone
Published: August 2021

Este artigo apresenta um mapeamento da produção do conhecimento científico sobre a exigibilidade do direito à educação básica em teses de doutorado e em dissertações de mestrado, no período de 1988 a 2018, disponíveis no Banco de Teses e Dissertações da Coordenação de Aperfeiçoamento de Pessoal de Nível Superior – Capes. A metodologia utilizada, chamada Estado da Arte, permitiu, além do mapeamento, a contextualização e a problematização do que foi produzido sobre o tema. Foram analisados 73 trabalhos em cinco grupos temáticos. Os resultados apontam para um aumento da produção sobre o tema. Ressalta-se que a etapa da Educação Infantil é o assunto mais recorrente analisado nas produções, e o Ministério Público, a instituição que mais se destaca na atuação para a garantia do direito à educação.
Sistema de cotas no ensino superior
Authors: Andrade Ligia Viana , Silva Regianne Ferreira da , Silva Regina Márcia Ferreira
Published: August 2021

A Lei de Cotas (Lei nº 12.711, de 29 de agosto de 2012) determinou que instituições federais brasileiras de ensino superior devem garantir a reserva de 50% das vagas, por curso, para estudantes que tenham cursado integralmente o ensino médio em escolas públicas. O objetivo deste estudo foi realizar um levantamento de dados em dois cursos superiores de uma mesma instituição de ensino, utilizando o método de análise estatística em pesquisa documental, referente ao ingresso de alunos nos vestibulares e, posteriormente, analisando a evasão dos cursos. Os resultados apontam para um aumento do ingresso pelas cotas sociais e raciais, nos cursos superiores, ao longo dos anos analisados, entre 2015 e 2018.
A Revista O Ensino (PR) no início do século XX
Authors: Zanlorenzi Claudia Maria Petchak , Nascimento Maria Isabel Moura
Published: August 2021

O presente artigo tem por finalidade apresentar um estudo que teve como questão norteadora a revista O Ensino e o trabalho da Inspetoria Geral de Ensino do Paraná, como ressonância do movimento político no país em relação à alfabetização no início da do século XX.   Para tanto, por meio da pesquisa bibliográfica e do exame documental, foi possível analisar as notícias da fonte primária, catalogar os textos e excertos que tratavam sobre a alfabetização e por fim fazer a reflexão conforme os objetivos do trabalho. Esse trabalho, longe de desvalorizar os esforços empreendidos por esse órgão governamental e que eram reflexos das condições materiais do período, teve a finalidade de problematizar uma etapa de ensino, considerada um entrave para a modernização da sociedade republicana.
Quando a “Alfabetização baseada em ciência” é sonegação e negação
Authors: Demenech Flaviana , Paula Flávia Anastácio de , Pasini Juliana Fatima Serraglio
Published: August 2021

Este artigo apresenta os documentos e programas federais sobre a alfabetização no Brasil entre 2019 e 2021. Objetiva-se refletir sobre do novo Programa Governamental o ABC contextualizando suas rupturas e descontinuidades. A especificidade do tema recai sobre as novas relações colonialistas a partir do olhar do modo de produção do conhecimento sobre alfabetização ou sua negação. Adotam-se os preceitos teóricos da alfabetização discursiva e as contribuições de Soares, Mortatti, e a dimensão epistemológica de Santos. Os resultados apontam os aspectos contraditórios de um programa que se autonomeia “baseado na ciência”, mas que nega a produção científica nacional sobre a alfabetização.
Política Nacional de Alfabetização (PNA)
Authors: Almeida Fabiani Inês de , Piatti Célia Beatriz
Published: August 2021

Este estudo tem como objetivo analisar as implicações da Política Nacional de Alfabetização (PNA) na formação inicial de professores por meio de análise documental. Para tanto, utilizou-se como base teórico-metodológica buscar as essências contidas nas aparências dos fenômenos, por meio de uma análise dialética de fundamentação marxista. Os resultados apontam que a PNA se concretiza como uma perspectiva ideológica pensada pelos organismos internacionais como um viés liberal-conservador, intencionando negar a história do processo da alfabetização no Brasil, retrocedendo a partir dos conhecimentos críticos construídos historicamente pela educação e para a formação de professores.
Utilização de instrumentos do PNAIC na avaliação
Authors: Lucca Tatiana Andrade Fernandes de , Zacharias-Carolino Aline Gasparini , Osti Andréia
Published: August 2021

Este trabalho tem como objetivo apresentar as dissonâncias e fragmentações quanto aos conceitos de alfabetização em documentos e políticas educacionais. Também pretende discutir de que forma os materiais originários de políticas nacionais de alfabetização são apropriados no contexto escolar. O estudo, bibliográfico e documental, analisa um instrumento avaliativo elaborado por uma Secretaria Municipal de Educação e adotado por escolas em que ocorre o reforço escolar, no qual é possível inferir a referência aos direitos de aprendizagem apresentados no PNAIC. Desse modo, entende-se a relevância dessas políticas nos espaços escolares, não obstante, demonstra descontinuidades conceituais nesses programas governamentais e como tais materiais podem consistir em uma regulamentação da prática docente.
“Cidadã de segunda classe”: sujeitos femininos e a fragmentação identitária no mundo pós-colonial
Authors: Lemos Maria Isabel
Published: August 2021

A contemporaneidade, marcada por constantes deslocamentos geográficos, simbólicos e ontológicos, carrega as marcas de seu tempo; e também os traços históricos da exploração colonial e da fragmentação identitária que a mesma potencializou. Esta análise literária, baseada no volume “Cidadã de Segunda Classe” (2018), da nigeriana radicada em Londres Buchi Emecheta, visa à problematização da experiência de fragmentação e transmutação identitária vivenciada por migrantes, bem como seus efeitos contemporâneos. Nesta reflexão, o papel da Literatura como ferramenta para a consolidação do locus enunciativo de tais grupos e sujeitos é abordado, assim como a sua centralidade para a reconstrução de narrativas históricas e políticas com base no processo dialético de estruturação das identidades. A partir das experiências da personagem Adah, de caráter altamente autobiográfico, observam-se diferentes tipos de deslocamento e alteridade: o lugar da mulher na sociedade patriarcal igbo, o enquadramento das imigrantes africanas, e de seus descentes, na estrutura social inglesa e a importância das mesmas para o estabelecimento de novos sujeitos femininos e perspectivas literárias. O volume, publicado na década de setenta do século XX, levanta inúmeras questões que se refletem na atualidade e contribuem para a compreensão dos processos históricos de desterritorialização e ressignificação identitária aqui abordados.
Imaginários do(s) deslocamento(s) na contemporaneidade: representações dos sujeitos em trânsito.
Authors: Faqueri Rodrigo de Freitas , Pereira Zaratin Daniele Aparecida
Published: August 2021

Prefácio
Fabrication and Structural Properties of Ni50 Al50 Alloy by Mechanical Alloying
Authors: Majeed H.M. Abdul , Jassim I.K. , Mahmood A.S.
Published: August 2021

In the present study, mechanical alloying process was employed for preparation of the nanocrystalline Ni50Al50 alloy through ball mill method. The structure properties of the alloy at various milling times of 0, 2, 4, 6 and 8hr were studied by X-ray diffraction and scanning electron microscopy (SEM) measurements. Several phases was formed successfully after 4hr of milling. At 6hr of milling, new intermetallic compound type (Ni3AI) was observed prospering, The particle size for various milling times decreased significantly, with increasing time of milling. The resulted morphology the milled powder shows a reduction of particle size which is in accordance with the XRD patterns. The results of EDX shows clearly atypical spectrums of both Ni and Al peaks.
Low free-T3 serum levels and prognosis of COVID-19: systematic review and meta-analysis
Authors: Llamas Michael , Garo Maria Luisa , Giovanella Luca
Published: August 2021

Objectives

There is increasing interest regarding the relationship between serum levels of free triiodothyronine (fT3) and outcomes of COronaVIrus Disease-19 (COVID-19) patients. As several recent reports have described a worse prognosis in patients with low fT3 levels, we performed a meta-analysis to assess the prognostic role of fT3 serum levels in patients with COVID-19 as this information could be clinically relevant for the management of these patients.

Methods

The methodology was registered in the International prospective register of systematic reviews (PROSPERO) database under the protocol number CRD42021260952. A systematic search was carried out on PubMed, Embase, Web of Science, and Scopus from May to June 2021 without time and language restrictions. The literature search strategy was based on the following keywords: (T3 OR fT3 OR triiodothyronine) AND (COVID-19) AND (prognosis OR survival).

Results

The literature search identified 163 studies. Seven retrospective studies met the inclusion and exclusion criteria and were included in the meta-analysis. The included studies had a total of 1,183 patients. From the analysis of the included studies, lower fT3 serum levels were consistently observed in intensive care unit (ICU) than in non-ICU patients and in non-survivors than survivors, respectively.

Conclusions

Serum fT3 concentrations are significantly lower in patients with severe COVID-19 than in non-severely ill patients and predict all-cause mortality of patients with severe COVID-19. Accordingly, fT3 may become a simple tool for stratified management of patients with severe COVID-19.
Exploring European childrenʼs self-reported data on online aggression
Authors: Ponte Cristina , Carvalho Maria João Leote de , Batista Susana
Published: August 2021

To address the topic of children’s online aggression, this article explores a subsample from the EU Kids Online dataset (2017–2019) of 1404 children, aged 9–16, who reported having engaged in aggressive acts online in the previous year. Through a cluster analysis, respondents were classified into three groups. Findings emphasize the risk factors for aggression and how they relate to age-specific developmental tasks. Boys predominate, but the gender gap is not as wide as in offline contexts. For almost half of the children, aggression goes hand in hand with victimization. All the clusters share high levels of emotional deprivation. A sense of lacking social support, from both adults and peers, becomes more relevant among those children with high and more problematic engagement in online aggression. Results confirm that online aggression must be considered within the complex and fluid offline–online continuum cutting across the social contexts in which children grow.
Efficiency of selection–biotechnological system of selection for creation of breeding source material of sunflower resistant to herbicides and broomrape
Authors: Babych Viktoria , Kuchuk Mykola , Sharipina Yaroslava , Parii Miroslav , Parii Yaroslav , Borovska Irina , Symonenko Yuri V.
Published: August 2021

The sunflower is a strategically important oil crop. Every year the area under this crop grows, and the rapid returning of sunflowers back to the fields provokes the formation of new more aggressive races of broomrape (Orobanche cumana Wallr.). Broomrape is a parasite that interferes with the normal development of sunflower and can lead to significant crop losses. For creating a sunflower hybrid (F1) it is needed to cross the parental components, which have a complex of important traits, among which there is a resistance to the herbicides and a broomrape. Considering that the creation of each of the components of the hybrid involves many years of painstaking work in the breeding process, modern approaches and methods are used to accelerate the creation of a new source material. Thus, using the technology of cultivating immature embryos in vitro culture, it is possible to reduce the time to create lines resistant to herbicides, for example. And during selection for resistance to pathogenic organisms, testing is most often used against an artificial infectious background, both in the field and in laboratory conditions, in order to differentiate the material on this basis. The aim of this work was to establish the effectiveness system when creating an initial breeding material resistant to herbicides and broomrape. As a result of testing the lines on an artificial infectious background, was identified plants which have high resistance to the G-race broomrape and were isolated from hybrid combinations resistant to tribenuron-methyl and imidazolinones. Thus, among the analyzed plants which are resistant to tribenuron‐methyl, four lines were isolated, which are highly resistant to the G-race broomrape from a hybrid combinations BH0118/SURES–2 (101/1, 101/4, 101/6, 101/7), and BH0318/SURES–2 (101/21, 101/24, 101/28, 101/30), and five lines (101/11, 101/12, 101/16, 101/17, 101/18) from a hybrid combination BH0218/SURES–2. Among imidazolinone-resistant sunflower lines – line 3 was isolated as highly resistant to the G-race broomrape.
Profit evaluation inclusive of reserve pricing for renewable-integrated GENCOs
Authors: Kumar Saurabh , Dwivedi Bharti , Shrivastava Nitin Anand
Published: August 2021

Under the deregulated market scenario, the electric power industry is rapidly getting transformed due to integration of increasing renewable generation. Profit maximization has always been of highest priority for all the stakeholders. The generation planning problem is an important problem in the operation and planning of power systems which is required to be solved to accomplish the maximum profit. The individual GENeration COmpanies (GENCOs) are envisioning their most profitable Unit Commitment (UC) in the light of the available forecasts of availability of solar and wind power, energy prices and reserve prices during a given scheduling period. This paper presents a UC strategy for GENCOs’ profit with a generation portfolio comprising thermal generation, wind generation, and solar PV generation in different combinations. Priority List Method (PLM) and Modified Particle Swarm Optimization (PSO) with Time-Varying Acceleration Coefficients (PSO-TVAC) solution technique is deployed on the MATLAB platform. The aim is to maximize the profit while satisfying the load demand together with maintaining sufficient reserve at each hour. Sensitivity analysis of profit has also been carried out to showcase the impact of different pricing techniques, different parameters chosen and the different bidding prices for the power dispatched as well as for the reserve power maintained. The observations that emerged through the presented solution model may help develop an insight to the GENCOs to gain maximum profits.
A predictor–corrector compact finite difference scheme for a nonlinear partial integro-differential equation
Authors: Hu Shufang , Qiu Wenlin , Chen Hongbin
Published: August 2021

A predictor–corrector compact finite difference scheme is proposed for a nonlinear partial integro-differential equation. In our method, the time direction is approximated by backward Euler scheme and the Riemann–Liouville (R–L) fractional integral term is treated by means of first order convolution quadrature suggested by Lubich. Meanwhile, a two-step predictor–corrector (P–C) algorithm called MacCormack method is used. A fully discrete scheme is constructed with space discretization by compact finite difference method. Numerical experiment presents the scheme is in good agreement with the theoretical analysis.
Performance analysis of APD and PIN diode with and without EDFA in GPON
Authors: Sharma Raju , Gupta Anuj Kumar
Published: August 2021

Gigabit-capable passive optical network (GPON) is a passive optical network that provides faster data transmission and reception using point-to-multipoint access technology with single fiber. Using passive splitter in distribution network to keep the costs down, its 2.5 Gbits/sec bandwidth can be split up to 64 times. This paper presents the study of max Q-factor, min bit error rate (BER) using Opti system 17. In this study return to zero (RZ) and nonreturn to zero (NRZ) line codes analyzed by using P-insulator-N (PIN) and avalanche photo diode (APD) receivers. This paper also studies the impact of CW laser power on Q factor and min BER of GPON with and without erbium-doped fiber amplifier (EDFA).
Diet of Hoffmann’s two-toed sloth (Choloepus hoffmanni) in Andean forest
Authors: Sánchez-Chavez Andrea del Pilar
Published: August 2021

The Hoffmann’s two-toed sloth (Choloepus hoffmanni) is a species which could potentially be evaluated as threatened, but data on its natural history in wild conditions are still insufficient. The diet in wildlife of C. hoffmanni was studied through of microhistological analysis of indigestible fragments of leaves found in 43 feces samples collected of the 47 samples found in an Andean forest reserve south of Bogotá, Colombia. Four samples were highly decomposed and were not collected. A reference collection was made of 29 tree species where the feces were found or two-toed sloth were observed, to compare with the plant fragments found in the feces. Seventeen species and six fragments of foliar epidermis of undetermined species were identified in sloth diet. Based on this analysis, C. hoffmanni is a generalist folivore, ingesting a wide variety of plant leaves. Based on frequency of occurrence, relative frequency, and percent cover by volume, Brunellia sibundoya, Cordia cylindrostachya, Citharexylum sp., Quercus humboldtii, and Clethra fagifolia made up most (74%) of the diet of C. hoffmanni in an Andean forest. Comparing the plant species found in the feces with the reference collection, C. hoffmanni appears to deposit feces at the base of the trees that it consumes.
Nano-ablative immunotherapy for cancer treatment
Authors: Hoover Ashley R. , Liu Kaili , Valerio Trisha I. , Li Min , Mukherjee Priyabrata , Chen Wei R.
Published: August 2021

Immunotherapy has provided a new avenue to treat metastatic cancers, which result in ∼90% of cancer related deaths. However, current immunotherapies, such as immune checkpoint therapy (ICT), have met with limited success, primarily due to tumor intrinsic and extrinsic factors that inhibit antitumor immune responses. To overcome the immune suppression of the tumor microenvironment (TME) and enhance the tumoricidal activity of ICT, phototherapy, particularly photothermal therapy (PTT), combined with nanomedicine has become a viable option. PTT disrupts target tumor homeostasis, releasing tumor associated antigens (TAAs), tumor specific antigens (TSAs), danger associated molecular patterns (DAMPs), and scarce nutrients required to “feed” activated antitumor immune cells. While nanoparticles localize and specify the phototherapeutic effect, they can also be loaded with immune stimulants, TME modulators, and/or chemotherapeutic agents to greatly enhance immune stimulation and tumor killing. Combining these three technologies, which we term nano-ablative immunotherapy (NAIT), with ICT can greatly enhance their therapeutic effects. In this review, we will discuss the successes and limitations of NAIT + ICT. Specifically, we will discuss how the TME limits tumoricidal activity and what should be considered to overcome these limitations.
Speckle tweezers for manipulation of high and low refractive index micro-particles and nano-particle loaded vesicles
Authors: Jamali Ramin , Nazari Farzaneh , Ghaffari Azadeh , Velu Sabareesh K. P. , Moradi Ali-Reza
Published: August 2021

Several fundamental research and applications in biomedicine and microfluidics often require controlled manipulation of suspended micro- and nanoscale particles. Speckle tweezers (ST) by incorporating randomly distributed light fields have been used to control micro-particles with refractive indices higher than their medium and to perform manipulation tasks such as guiding and sorting. Indeed, compared to periodic potentials, ST represents a wider possibility to be operated for such tasks. Here, we extend the usefulness of ST into micro-particles of low index with respect to the surrounding. Repelling of such particles by high intensity regions into lower intensity regions makes them to be locally confined, and the confinement can be tuned by changing the average grain intensity and size of the speckle patterns. Experiments on polystyrenes and liposomes validate the procedure. Moreover, we show that ST can also manipulate the nano-particle (NP)-loaded liposomes. Interestingly, the different interactions of NP-loaded and empty liposomes with ST enable collective manipulation of their mixture using the same speckle pattern, which may be explained by inclusion of the photophoretic forces on NPs. Our results on the different behaviors between empty and non-empty vesicles may open a new window on controlling collective transportation of drug micro-containers along with its wide applications in soft matter.
All-dielectric metasurfaces capable of dual-channel complex amplitude modulation
Authors: Zheng Chenglong , Li Jie , Wang Guocui , Liu Jingyu , Li Jitao , Yue Zhen , Zhao Hongliang , Hao Xuanruo , Zhang Yating , Zhang Yan , Yao Jianquan
Published: August 2021

One compound metasurface with multiple functions and precise complex amplitude modulation is beneficial to photonic integration. Here, all-silicon bifunctional metasurfaces capable of independent amplitude and phase modulation in two circular polarized channels are proposed, which encode complex amplitude information by integrating propagation phase and Pancharatnam-Berry phase. A switchable power-controllable axial bifocal metalens directly illustrates the feasibility of the proposed modulation scheme. Another switchable power-controllable horizontal/vertical bifocal metalens characterizes the versatility and flexibility of this approach. The experimental results agree well with the simulations and theoretical expectations. In addition, we also discuss the broadband performance of the proposed metalens and the dynamic focusing behavior under optical pumping. The proposed approach can directly generate editable amplitude and phase profiles and can find applications in dynamic holography, dynamic display, and other fields.
Complexes, rule-following, and language games: Wittgenstein’s philosophical method and its relevance to semiotics
Authors: Torres-Martínez Sergio
Published: August 2021

This paper forges links between early analytic philosophy and the posits of semiotics. I show that there are some striking and potentially quite important, but perhaps unrecognized, connections between three key concepts in Wittgenstein’s middle and later philosophy, namely,complex (Philosophical Grammar),rule-following (Philosophical Investigations), andlanguage games (Philosophical Investigations). This reveals the existence of a conceptual continuity between Wittgenstein’s “early” and “later” philosophy that can be applied to the analysis of the iterability of representation in computer-generated images. Methodologically, this paper clarifies to at least some degree, the nature, progress and promise of an approach to doing philosophy and semiotics from amodally modest perspective that sees in the intellectual products of humanities, and not in unreflective empiricism, the future of scientific development. This hybrid, non-reductionist approach shows, among other things, that semiotic processes are encoded by specific types of complexes in computer-generated images that display iterability in time and space.
Singen im liturgischen Raum „Ohne Inhalt ist alles Singen irgendwie eine halbe Geschichte“
Authors: Lewandowski Ludwig , Mayr Thomas
Published: August 2021

Im Gespräch erklärt TM wie liturgischer Gesang sich wirkungsvoll entfalten kann. Wichtig sei: Druck vermeiden und sich des Inhaltes bewusst werden!
Oxidative stress index can be a new marker related to disease severity in COVID-19
Authors: Doğan Serdar , Bal Tayibe , Çabalak Mehmet , Dikmen Nursel , Yaqoobi Hasibullah , Ozcan Oguzhan
Published: August 2021

Objectives

The aim of this study was to evaluate the relationship between systemic oxidative balance, and the severity of the disease in patients with COVID 19.

Methods

Sixty-four patients were divided into three groups according to the severity of the disease: mild (n=28), moderate (n=11) and severe (n=25). Twenty-four healthy controls included to the study. Proinflammatory cytokines (IL-6 and TNF-α), D-dimer, fibrinogen, total oxidative status (TOS), total antioxidant status (TAS) were measured and oxidative stress index (OSI) was calculated.

Results

The mean age of severe group was significantly higher than the other groups (p=0.001). TAS levels were significantly decreased in all patient groups compared to controls, while serum TOS and OSI levels were significantly different in all three stages of the disease. Serum IL-6 and TNF- α levels were significantly elevated in severe group compared to other groups. TOS and OSI levels were also significantly correlated with IL-6, CRP, ferritin, fibrinogen, LDH and D-dimer.

Conclusions

TOS and OSI levels are an indicator of systemic oxidative balance in COVID-19 and related to the disease severity. They can be an important marker for evaluating the disease severity and used in the management of patients with COVID-19.
Effects of Extrinsic Noise Factors on Machine Learning–Based Chatter Detection in Machining
Authors: Lu Lance , Kurfess Thomas , Saldana Christopher
Published: August 2021

Unmitigated chatter can result in poor part quality, accelerated tool wear, and possible damage to spindle and machine. While various methods have been shown to effectively detect chatter, implementation of these methods in noisy environments, such as factory floors, has not been well studied. The present study seeks to explore the effects of extrinsic noise sources on threshold-based and machine learning–based chatter detection methods using audio signals of the machining process. To accomplish this, stable and unstable cuts were made on a milling machine and the audio signal was collected. Data augmentation using Gaussian white noise and periodic noise was conducted to simulate a range of noise levels and types. The performance of these techniques were then compared with respect to the increasing levels of noise. It was found that machine learning–based approaches achieved satisfactory accuracies up to 98.6 % under the presence of extrinsic noise. Conventional static threshold techniques, however, failed under most noise conditions and resulted in false positives depending on the threshold values used. Furthermore, support vector machine approaches demonstrated an ability to classify noisy data despite limited training.
Immunohistochemical expression of clusterin in colorectal carcinoma
Authors: Jalal Jalal , Othman Zheen , Anwar Payman
Published: August 2021

Background and objective: Colorectal cancer is a heterogeneous malignancy characterized by a wide range of genetic and epigenetic alterations. Clusterin is a heterodimeric glycoprotein widely expressed in a variety of tissues and secreted in many body fluids. Increased clusterin expression has been reported in the normal colonic mucosa, benign polyps, and colorectal carcinoma. This study aimed to detect the frequency of the clusterin immunoexpression in colorectal carcinoma and determine its association with some clinicopathological parameters. Methods: Sixty formalin-fixed paraffin-embedded sections of colorectal adenocarcinoma were obtained and randomly selected from the histopathology laboratory at Rizgary Teaching Hospital and some private histopathology laboratories in Erbil city over two years between December 2016 and December 2018. All patients had been diagnosed to have primary colorectal adenocarcinoma and had undergone surgery. The clinicopathological characteristics of the tumors were revised, and the specimens were analyzed immunohistochemically using anticlusterin mouse monoclonal antibody. Results: Twenty eight cases (46.6%) were labeled as clusterin positive, while 32 cases (53.4%) were negative for clusterin expression. Clusterin expression was significantly associated with the tumor type (Non-mucinous) (P = 0.01) and tumor grade (well to moderately differentiated) (P = 0.03). At the same time, no significant association was found between clusterin immunoexpression and other clinicopathological characteristics like age, gender, tumor site, and tumor stage. Conclusion: Our study indicated that clusterin is overexpressed in some colorectal carcinomas and is significantly associated with histological type and grade. These results suggest that clusterin may play a role in colorectal carcinogenesis. Further studies are required to understand the possible mechanism of clusterin association with carcinogenesis and cancer progression. Keywords: Colorectal cancer; Clusterin; Immunohistochemistry.
Role of obligatory banning of smoking in 2014 - 2016 on the smoking habits of a group of men in Mosul, Iraq
Authors: Ahmed Rasha , Al-Tawil Namir
Published: August 2021

Background and objective: Smoking is a risk factor for major non-communicable diseases and is an important cause of preventable death. Smoking cessation is a challenge for both the smoker and the health care provider. This study aimed to assess the role of obligatory banning of smoking in 2014 - 2016 on the smoking habits of a group of men in Mosul city. Methods: A convenience sample of 500 male smokers, aged 18 years and above who were living in Mosul on June 10, 2014 (the day of Mosul invasion by the Islamic State in Iraq and Sham, ISIS) and stayed living in the city for three years after that, were included in the study. The study design was cross-sectional, and data were collected by direct interview. Results: One fifth (100 persons) of the participants quit smoking (without medications) during banning. More than one third (36%) of them quit due to the high price of cigarettes. Unfortunately, the majority (75%) returned back to smoking after the liberation of Mosul. The factors found to be significantly associated with the high rate of quitting included short duration of smoking(<9 years) before the banning period (P = 0.006), trial of quitting smoking before banning (P = 0.001), history of light smoking (P = 0.003), and smoking among second degree relatives, compared with the first degree relatives (P = 0.025). Conclusion: The rate of cessation was relatively low compared with the possible punishments by the ISIS. Smoking cessation is still a challenge to public health practitioners, as many factors play a role. Keywords: Smoking banning; ISIS; Mosul; Quitting smoking.
Tectonic Microphonics
Authors: Paige Kirsten
Published: August 2021

“Tectonic Microphonics” explores the politics of seismologists’ use of the microphone to listen to the deep, elusive sounds of the Earth in the years around 1900. It argues that seismological representatives of three emerging nation-states and empires—Italy, Japan, and Britain—used the microphone to lay claim to elusive geophysical data, encrypted in fleeting, earthly sounds. It suggests that seismologists’ enhanced knowledge of the subterranean movements of the Earth, a purported consequence of their microphonic aurality, represented a form of geopolitical currency. Such powers of prediction were viewed as an important index of national security and scientific development: the microphone thus represented an opportunity for occupants of seismic geographies (like Italy and Japan) to overcome what Deborah Coen has referred to as the “deterministic geography of security and risk” that, for some geologists, reduced them to the status of “barbarians.” At the same time, this article demonstrates that valorizing the civilizing consequences of this form of technologically mediated aurality relied upon extractive ecologies of capitalism and exploitative human labor that were often obscured by scientific users and their global networks of collaborators and enablers. As the article's concluding section shows, these activities came on the heels of the birth of one of the earliest ideas of the Anthropocene, circulated in the writings of an Italian geologist as a term for the agency of white, European, “steam-powered” men (a circumscribed Anthropos) over the Earth, its fossil resources, and its less-than-human laborers. This article concludes by arguing that the microphone established a standard of anthropogenic aurality fit for the birth of the age of the Anthropocene.
Thermodynamic Aspects of the Use of Heat Exchangers in Low-Temperature Power Systems
Authors: Trotsenko A.V.
Published: August 2021

The problems of thermodynamic analysis associated with the heat exchangers that used in cryogenic technology are discussed. A method and an algorithm for calculating the components of losses from irreversibility in these heat exchangers are proposed. The exergy method of thermodynamic analysis was used to calculate the components of these losses for some two-flow heat exchangers. The investigation of the obtained calculation results is presented.
ZONES OF RECENT ACTIVATION AND SCHEME OF THE EARTH CRUST PERMEABILITY OF UKRAINE
Authors: Gordienko V.V. , Gordienko L.Ya. , Goncharova J.A. , Tarasov V.M.
Published: August 2021

An attempt is considered to supplement the criteria for identifying zones of recent activation in the territory of Ukraine with another one — data on the results of studies of helium concentration in ground-water. The previous analysis of information showed that as regional criteria, information can be applied on anomalies in heat flow, increased electrical conductivity of Earth’s crustal and the upper mantle rocks, distribution of mantle gravitational anomalies, and surface uplifts over the past millions of years. They were chosen among others precisely because of the dissemination of relevant information throughout the country. This requirement is also met by the permeability Scheme of the earth’s crust of Ukraine, which is a fragment of the permeability Scheme of the earth’s crust of the European part of the USSR based on the results of helium studies. The principal applicability of such information for solving the problem is shown. Areas of maximum helium concentrations in near-surface waters are indicated, primarily those associated with disjunctive dislocation. Theу are concentrated in the south-west of Ukraine and in Moldova. The disadvantages of the Scheme are noted, due to poor study and significant variations in background gas concentrations, directly caused not by recent activation, but by the peculiarities of helium generation by rocks of the upper part of the earth’s crust. There are inconsistencies between the previously obtained ideas about the activated zones and the data of the Scheme. They are especially large in the Carpathian, Crimean and Donetsk regions, and are noticeable in others. Therefore, it seems necessary, first, to continue research, thicken the network of observations and develop a methodology for analyzing their results.