bluuebunny/crossref_metadata_2025 huggingface dataset:
A view of South and Central America from the International Seismological Centre
Authors: Adams R. D. , Richardson W. P.
Published: May 2021

Hasta ahora, el estudio de la sismicidad en América Central y Sur se dificulta por la distribución inhomogénea de las estaciones y los problemas de comunicación entre instituciones dentro y fuera de la región. Ello significa una detección de sismos muy dispareja, lo que hace incierta la estimación del riesgo sísmico. Además, hay inhomogeneidad de la cobertura en el tiempo, como el periódo de varios meses en 1991, cuando se reportó mucha actividad desde Colombia con un consiguiente alto número de detecciones. Ahora existe mayor cooperación regional en Centroamérica con un nuevo centro de datos que junta datos de seis países y localiza unos cien eventos mensuales, lo que significa un progrreso considerable en la cobertura de la región. Al principio hubo algunos errores de localización, como era de esperarse. La red sudamericana más densa se encuentra en torno a Santiago, Chile lo que hace que esa zona se encuentre bien documentada. Los eventos cercanos están bien localizados, pero los que caen fuera de la red suelen reportarse con profundidades excesivas como ocurre comunmente en zonas de subducción. La profundidad reportada por Chile es mayor de la que indican las estaciones argentinas más cercanas. A medida que la intrumentación y el nivel de cooperación regional vaya mejorando, el registro sismológico de esta región irá mejorando en confiabilidad y podrá aportar una mejor evaluación del riesgo sísmico.
Some observations of atmosferic luminosity as a possible earthquake precursor
Authors: Araiza Mario R. , Hernández-del-Valle Gerardo
Published: May 2021

Algunas mediciones de radiación solar obtenidas en la ciudad de México indican que pueden producirse valores anormales varios días antes de un sismo fuerte. Las anomalías se presentan tanto en la parte verde como en la roja del espectro. Las emisiones parecen ser intermitentes y se traducen en una mayor varianza de la intensidad horaria medida en el actinómetro. Antes y después del sismo de Petatlán, México del 14 de marzo de 1979 (M7.4), se observaron fuertes fluctuaciones en la luminosidad del cielo. En algunos casos la intensidad de la radiación excedió el valor esperado para una atmósfera transparente. Se propone que las observaciones altas se deben a una radiación en el espectro visible que se origina en la tierra, y que es reflejada por la capa de nubes y por la contaminación atmosférica.
A technique for fast conductivity-temperature-depth oceanographic surveys
Authors: Filonov A. E. , Monzón C. O. , Tereschenko I. E.
Published: May 2021

Se presenta un nuevo método para efectuar mediciones oceanográficas usando un sensor CTD en un fuselaje especialmente construido para este efecto. En cada estación de medición, la nave describe un círculo sin cambiar de velocidad mientras el dispositivo se hunde a razón de hasta 5 m/s. La profundidad de muestreo depende de la longitud del cable. Para un micropolígono de prueba frente a Barra de Navidad, México se obtuvieron 27 registros en algo más de 5 horas, hasta una profundidad de 120 m y con perfiles de más de 52 km de largo. La rapidez del método lo hace adecuado para medir ondas internas cortas.
The Urgency of Handling Non-Performing Financing in Sharia Banks in the Development of Indonesian Sharia Economics
Authors: Supriyatni Renny , Nurjamil Nurjamil
Published: May 2021

In Indonesia, non-performing financing in Islamic banking has a significant impact on banking system, soundness level of bank, and national economy. Proper handling can minimize the risks so that Islamic banking can continue to develop. This study elaborated the urgency of handling problematic financing in Islamic banks in the development of the Indonesian Islamic economy. This study is a descriptive analytical study with a normative juridical approach. The data was analyzed juridically and qualitatively. Problematic financing in Islamic banks occurs due to internal and external factors. On the other hands, Islamic economy, including its handling methods, are guided by the Holy Quran and the hadiths of the Prophet Muhammad (Peace be Upon Him). The guidance are understood contextually. One of the ways is through restructuring. Handling problematic financing is a very important thing, not only in terms of the obligation to settle debts and receivables of a legal subject, but also closely related to the sustainability of the business of Islamic banks since it also has an impact on the development of the Islamic economy in Indonesia.
The Optimization of Corruption Deterrence during the Covid-19 Pandemic
Authors: Ilahi Andi Hidayat , Widowaty Yeni
Published: May 2021

During the Covid-19 Pandemic, weak monitoring and evaluation have opened greater opportunities for money laundering and, in general, corruption cases. The Indonesian Survey Institute revealed data, which exposes an increase of 39.6% of the public’s perception regarding the scale of corruption cases during the pandemic. This survey is in line with the data of the Indonesian Corruption Watch mentioning 169 corruption cases during the first period of 2020. In the era of economic and health crises, corruption surely may provide greater impact and damage to the state governance and community activities. This study aims to measure the optimization of actual efforts to counter corruption during the Covid-19 Pandemic. It is a descriptive-qualitative with literature study to reveal facts. The method is in line with the use of information management activities carried out by formal and non-formal institutions during the Covid-19 pandemic. The target population is state institutions or government agencies that act as law enforcers to counter money laundering or, in general, corruption. The target population covers them who have specialization to operate tasks dealing with corruption crimes. The study shows that there have been many programs and synergies carried out by law enforcers and the government. However, they have not been able to mitigate and to eradicate corruption. Therefore, for the purpose of improvement, the parties need to adjust monitoring and evaluation system with the Covid-19 Pandemic conditions.
Condición oral de diabéticos tipo 2 hospitalizados durante los años 2015 y 2018. Estudio transversal.
Authors: Cartens Mariana , San Martín M.Verónica , Tsukame Yumiko , Astorga Verónica , Prieto Diego , Coloma M. Cristina , Arenas Guillermo
Published: May 2021

Objetivo:Comparar la condición oral entre pacientes con diabetes mellitus tipo 2 y no diabéticos, hospitalizados en el Hospital Parroquial de San Bernardo (HPSB) durante los años 2015 - 2018. Materiales y Método:Se realizó un estudio transversal donde se evaluaron 439 pacienteshospitalizados en los servicios de medicina y cirugía del HPSB durante los años 2015-2018. Se determinó la prevalencia enfermedad periodontal, caries y pérdida dentaria. Además se evaluaron factores de riesgo de periodontitis. La distribución de las variables continuas se determinó mediante test de Shapiro Wilk y el análisis se realizó utilizando test deMann-Whitney, Chi-cuadrado y regresión logística.Resultados:Un 82,05% de los pacientes diabéticos presentó periodontitis comparado con un 56,52% de los no diabéticos (valor p < 0.001). Los diabéticos presentaron una prevalencia de 66,67% de caries mientras que la prevalencia fue de un 62,82% para los no diabéticos (valor p = 0,200).  La mediana del número de dientes ausentes, fue de 9 con un rango intercuartílico (RIC) de 9  para los no diabéticos y de 14 (RIC 8) para diabéticos (valor p < 0.001). La diabétes se comportó como un factor de riesgo de tener periodontis con un OR de 3,51 (IC 95% 2,08 – 5,92; valor p < 0,001).Conclusión:Los pacientes diabéticos hospitalizados presentaron peor condición oral que los no diabéticos, con mayor prevalencia de enfermedad periodontal y número de dientes perdidos. Se sugiere mejorar la atención odontológica en diabéticos.
No evidence to support the effectiveness of surgical masks compared to respirators in reducing the risk of COVID-19 infection when providing non-aerosol generating care to COVID-19 patients -- A systematic review
Authors: mastan saleem , Geetala Rahul , Ahmed Waqar , Malik Rayaz A. , Charalambous Charalambos
Published: May 2021

We systematically assessed the evidence comparing surgical facemasks to
respirators in the prevention of COVID-19 in HCW providing non AGP care
in a hospital setting. We identified only one relevant study which
reported no significant difference in COVID-19 infection rates amongst
HCWs wearing surgical facemasks or FFP1 face-covers as compared to FFP2
respirators. This was an observational study with substantial
methodological deficiencies and highlights the need for high quality
evidence. However, until this evidence is available, and given that
inadequate mask use may increase the risk of nosocomial infection
amongst patients and HCWs, we would recommend respirators for non-AGP
care.
Memory Event-triggered Output Feedback Synchronization Control for Complex Dynamic Network with Bounded Distributed Delays
Authors:   College of Science, University of Shanghai for Science and Technology, Shanghai 200093, PR China, Gao Bei
Published: May 2021

In this paper, the method of memory event triggering output feedback is used to study the synchronization of complex dynamic network with bounded distributed delays when the target node is known or unknown. A memory event triggering scheme is proposed to reduce the transmission of data packets and shorten the transient process, and the network transmission delay is considered. The data packet signals released in recent times are stored at the sensor side and the controller side, which are used to generate event trigger function and design memory output feedback controller. By using Lyapunov stability theory, a sufficient condition for exponentially ultimately bounded of error dynamic system is given in the form of linear matrix inequalities (LMIs). Finally, an example proves the validity and feasibility of the theoretical results.
Active Learning Methods for Sustainable Education Development
Authors:   Vidzeme University of Applied Sciences, Cakula Sarma
Published: May 2021

The growing importance of ICT in educational processes activates the development of modern electronic teaching aids in various content areas and the development of teaching methods. The integration of ICT must ensure the improvement of the teaching/learning environment and the development of new teaching/learning approaches. Students’ motivation, engagement and interest in own learning are obligatory for successful and student-oriented education, especially in a situation of crisis, when educational institutions can immediately be closed after a governmental decision (pandemic caused by “Covid-19”) as it happened in March, 2020. All teaching and learning had been moved unexpectedly to remote/distance education setting, to adapt the learning methods and processes and to motivate the learners contributes to sustainable education. The aim of the paper is to develop active learning methods in digital environment to modernize the learning environment required for STEM in Vidzeme University of Applied Sciences, which includes the development of teaching methods and tools and their suitability for the digital age. The methodology includes theoretical research and practical experiments for full time students in face-to-face and digital environment. There are three experimental groups for course “Algorithms and data structures” ‒ one for traditional teaching, one with active learning methods faceto- face classroom and one with active learning methods in digital environment. Results of the research shows that active learning methods influence positively to course results but there are no differences for course results between groups with active learning methods in face-to-face and digital environment.
Enhanced gas permeation performance of mixed matrix membranes containing polysulfone and modified mesoporous MCM-41
Authors: Abbasi Kololi , Tabatabaei Qomsheh , Noei Maziar , Saberi Masoud
Published: May 2021

The aim of this study was the development of mixed matrix membranes (MMMs) based on silica MCM-41 dispersed in polysulfone (PSf) for the separation of carbon dioxide from methane. For this purpose, MCM-41 was synthesized by a hydrothermal method and was modified with 3-aminopropyltrietoxysilane (APTES). SEM, FTIR, BET and XRD analyses were used for characterization of the modified and unmodified particles. Then, various MMMs containing PSf at different weight percents (5, 10, 15 and 20) of modified and unmodified particles were prepared and the morphology and structure of the prepared membranes were studied using SEM and XRD analyses. Regardless of the particle type, the addition of MCM-41 to PSf caused an increase in gas permeability compared to a neat PSf membrane. Adding unmodified particles to PSf matrix resulted in undesirable effects, including particle agglomeration and/or the formation of interfacial voids. The MMMs with modified MCM-41 showed relatively better separation performance compared to MMMs with unmodified MCM-41. As a result, the MMM of PSf with 20 wt. % modified MCM-41 showed a significant increase in selectivity of carbon dioxide/methane and the value of selectivity reached 25.24.
Oral health status of young adults in Serbia - clinical and non-clinical assessment of undergraduate students in Belgrade
Authors: Lisul Bogdan , Grga Djurica
Published: May 2021

Introduction. Since 1987, there has been little information on oral health
(OH) status of young adults aged 19 to 26 in Serbia. This study aimed to
investigate the trends in OH status and OH-related quality of life (OHRQoL)
of undergraduate student population in Belgrade in 2012. Materials and
methods. The study included a total of 699 students of different study
fields who underwent a dental examination, with 530 of them agreeing to an
assisted survey and 275 forgoing a periodontal assessment. The survey
consisted of six sections - basic information, socio-demographic data, oral
healthcare use and habits, risk factors, OH self-assessment and OHRQoL.
Clinical assessment was performed using the Decayed, Missing, Filled teeth
(DMFT) index; Gingival Index; Clinical Attachment Level; Community
Periodontal Index, and Plaque index. OHRQoL was evaluated through a modified
OH Impact Profile (OHIP-14). Results. The mean DMFT of the examined
population was 10.24 (standard deviation [SD] 5.33). Students from East and
South Serbia (DMFT=8.69 [SD=4.93]), technical study field (DMFT=8.84
[SD=4.94]), with mother?s having a university degree (DMFT=9.33 [SD=5.15])
and with satisfactory OH (DMFT=8.94 [SD=4.76]) were all significantly
associated with lower DMFT. A significantly lower OHRQoL score was observed
in students with satisfactory self-reported OH (Score=9.48 [SD=1.44]). The
periodontal assessment showed no significant differences across all values
of observed indexes. Conclusion. The mean DMFT of Belgrade?s young adults?
population has decreased from 1987 to 2012 from 12.5 to 10.4. Self-reported
OH is significantly associated with both the DMFT values and OHRQoL.
Synthesis of condensed S-, N- containing heterocyclic systems on the base of 2-amino-4,9-dioxo-4,9-dihydronaphto[2,3-b]thiophene-3-ethylcarboxilate
Authors:   Lviv Polytechnic National University, 12 Bandera str., 79013 Lviv, Ukraine, Stasevych Maryna , Sabat Svitlana ,   Lviv Polytechnic National University, 12 Bandera str., 79013 Lviv, Ukraine, Musyanovych Rostyslav ,   Lviv Polytechnic National University, 12 Bandera str., 79013 Lviv, Ukraine, Novikov Volodymyr ,   Lviv Polytechnic National University, 12 Bandera str., 79013 Lviv, Ukraine
Published: May 2021

Synthesis of a new 2-aryl-4Н-naphtho[2’,3’,4,5]thieno[2,3-d][1,3]oxazine-4,5,10-triones, 2-arylnaphtho[2’,3’,4,5]thieno[2,3-d][1,3]pyrimidine-4,5,10(3Н)-triones, 3-phenyl naphtho[2’,3’,4,5]thieno[2,3-d][1,3]pyrimidine-2,4,5,10(1Н, 3Н)-tetraone and 2-thioxo-2,3-dyhydronaphth[2’,3’,4,5]thieno[2,3-d]pyrimidine-4,5,10(1Н)-trione was carried out. The mechanism of 2-aryl-4Н-naphtho[2’,3’,4,5]thieno[2,3-d][1,3]oxazine-4,5,10-triones formation was suggested.
Preparation and characterization of jute fiber reinforced shellac biocomposites: effect of additive
Authors:   Radiation and Polymer Chemistry Laboratory, Institute of Nuclear Science and Technology, Bangladesh Atomic Energy Commission, GPO Box: 3787, Dhaka-1000, Bangladesh, Khan Mubarak , Ghoshal Sushanta ,   Department of Applied Chemistry and Chemical Technology, University of Dhaka, Bangladesh, Khan Ruhul ,   Radiation and Polymer Chemistry Laboratory, Institute of Nuclear Science and Technology, Bangladesh Atomic Energy Commission, GPO Box: 3787, Dhaka-1000, Bangladesh, Pervin Shamim-Ara ,   Department of Materials and Metallurgical Engineering, Bangladesh University of Engineering and Technology, Dhaka-1000, Bangladesh, Mustafa Ahmed ,   Department of Applied Chemistry and Chemical Technology, University of Dhaka, Bangladesh
Published: May 2021

Hessian cloth (jute fabrics) samples were soaked in the alcoholic shellac solution and dried at 333 K for 4 hours. Six layers of shellac treated hessian cloth were heat pressed (373 K for 10 min at 5 MT pressure) to fabricate biocomposite and then its mechanical properties were evaluated. To improve the mechanical properties of the biocomposite, a series of formulations was prepared using varying percentages of urea (0.25 to 30 %) with shellac in methanol; then the composite was fabricated using same parameters. Mechanical properties such as tensile strength (TS), bending strength (BS), tensile modulus (TM), bending modulus (BM), elongation at break (Eb), impact strength (IS) of the biocomposite were determined. Percentage of urea and soaking time of hessian cloth for the composites were optimized over mechanical properties. The biocomposite prepared with 0.5 % urea at 2 min soaking time showed the highest mechanical properties (TS – 79 MPa, BS – 74 MPa, BM – 7 GPa, IS – 13 kJ/m2 and Eb – 11.3 %). Scanning electron microscopic images of the fracture surface of the composites were suggested.
Perancangan Sistem Portal Program Studi Dengan Menggunakan Framework Laravel Dan Database Postgresql
Authors: Pradipta Rio Ariestia
Published: May 2021

Program studi Teknik Informatika Universitas Lampung memiliki beberapa sistem informasi untuk menunjang kegiatan administrasi yang mempermudah aktifiitas yang dilakukan oleh mahasiswa, dosen dan juga bagian administrasi. Keseluruhan sistem tersebut berfungsi untuk mempermudah kegiatan administrasi, dokumentasi serta untuk pengembangan aktifitas strategis yang direncanakan dan akan dilaksanakan oleh program studi  pada masa yang akan datang. Untuk mempermudah terjadinya integrasi pada seluruh sistem informasi yang terdapat di program studi maka diperlukan sebuah sistem yang berfungsi sebagai wadah untuk mengintegrasikan keseluruhan sistem yang ada. Tujuan dari penelitian ini adalah memberikan solusi pada program studi Teknik Informatika dalam melakukan integrasi informasi dari beberapa sistem informasi yang berjalan ke dalam sebuah sistem portal berbasiskan web. Penelitian ini dilakukan dengan menggunakan metode pengembangan sistem secara local dimana pengembangan software dilakukan dengan alur Rapid Application Development yang termasuk di dalamnya perancangan sistem menggunakan usecase diagram, class diagram dan struktur navigasi portal. Bahasa pemrograman dalam pengembangan sistem adalah PHP dengan framework Laravel dan menggunakan database PostgreSQL. Metode blackbox digunakan dalam melakukan pengetesan dari sistem portal yang telah dirancang untuk mengetahui kesesuaian antara rancangan dengan sistem portal terbangun. Hasil yang didapatkan adalah kesesuaian antara rancangan dengan portal yang siap untuk diimplementasikan sebagai sebuah sistem informasi.
Pemanfaatan Computer Assisted Test sebagai alternatif Ujian Akhir Perkuliahan di era Pandemi
Authors: Pratama Mahendra , Septama Hery Dian
Published: May 2021

Di-era pandemi covid-19 berefek ke dunia pendidikan yang di mana semua dilakukan secara online salah satunya pelaksanaan ujian akhir perkuliahan. Mahasiswa harus bisa terbiasa di mana yang sebelumnya dilakukan secara manual (luring), sekarang harus dilakukan secara online (daring). Perancangan  aplikasi ujian online berbasiskan web harus mengedepankan kebiasaan pengguna, sehingga mudah beradaptasi dan mudah untuk digunakan. Pengukuran dilakukan dengan menggunakan kuisioner UEQ, sehingga memiliki hasil bahwa CAT bisa digunakan sebagai alternatif aplikasi ujian online untuk ujian akhir perkuliahan di era Pandemi karena memiliki aspek yang sangat baik untuk pengguna berdasarkan hasil kuisioner.
Tsunami Modelling Araound Lombok, Indonesia
Authors: Wiji Raharjo Indriati Retno Palupi,
Published: May 2021

Lombok earthquake in 2018, raised many failure of facilities that impact to human life. The earthquake was unique, started with mainshock that did not predict by scientist with hypocenter located in Flores Fault in the north of Lombok Island. In 1992, tsunami recorded in Lombok with the hypocenter also in Flores Fault. Based on the information, earthquake in Flores Fault can trigger tsunami. Beside Flores Fault, subduction zone in the south of Lombok is also can be earthquake source and it is not impossible can trigger the tsunami. The purpose of this research is to modeled the tsunami both it come from earthquake in Flores Fault and the subduction zone with magnitude 7.8. Numerical method is used to modelled it and the result is the height and velocity of tsunami is 11 m and 720 km/hours for Flores Fault and 9 m and 450 km/hour for subduction Zone.
Monitoring for Photovoltaic in Outer Island
Authors: D Novitasari W Sunanda, E A Pratama, H Subastiyan, Y Tiandho,
Published: May 2021

Photovoltaic is a renewable energy source that can optimally be used on outer islands and areas that are difficult to reach by the main electrical system network. With good solar energy intensity on a daily, it adds to the advantages of using photovoltaics. In this regard, it is necessary to make a prototype for monitoring the photovoltaic output parameters to measure photovoltaic performance. The parameters that will be monitored on 50 Wp photovoltaic used in this research are voltage using a voltage sensor, current using an ACS712 sensor, and the real power generated. The monitoring results are stored in a database and monitored in realtime based on the website's setting. So that this prototype can be used in several outer islands in Bangka Belitung, which is geographically an archipelago
Lowland islands at the water-land nexus in Lixiahe, China: A boundary approach
Authors: Lei Dongxue
Published: May 2021

Historically known as China’s ‘Netherlands’, the lowlands of Lixiahe were and still are characterized by vast waterscapes. This paper introduces an island society fostered by this wet landscape, which thrived in premodern times and has undergone a transition into modernity. From a long-term perspective, there have been constant interactions between this island society and the water-land environments. This study details such socio-natural interactions and reconsiders the role of natural settings in the evolution of this island society in the modern context of intensifying human interventions. A comparative study is conducted in two periods of premodern and modern times, and a parallel examination is conducted into three levels of this island society to explore island relations. A boundary approach based on landscape ecology theories is employed to interpret the complex socio-natural interactions in both temporal and spatial dimensions. Through this historical exploration, the paper concludes with three links between resilience thinking and architecture/planning practice in wet landscapes and discusses contemporary issues connected with the socio-ecological resilience of these lowland islands.
Future past I am a coolie-al…and I reside as an invisible island inside the ocean: Tidalectics, transoceanic crossings, coolitude and a Tamil identity
Authors: Nadarajah Yaso
Published: May 2021

The politics of Tamil working-class identity in Malaysia continue to be articulated in subaltern terms, employing term such as ‘coolie’, which is elsewhere an archaic usage from colonial days. Yet the power of the coolie narrative appears salient, and the coolie odyssey is far from over. Drawing upon the author’s longitudinal work with a Tamil squatter settlement in the heart of the city of Kuala Lumpur in the Malay Archipelago, this paper moves from third to first and then second narrative to capture the broad range of ruptures and transformations of Tamil sensibilities, a ‘coolitude’ that grew a pattern of life which emerged from a journey that began on the sea. In this article, the author envisions the ‘black ocean’ as an invisible island; shaped by colonial and imperial histories, racial capitalism and ocean crossings. These transoceanic crossings carried the weight of Tamil histories, rooted in the seas as an invisible island—as both the rupture of an identity and a translation from western namings and discourses. What remains is the ‘island’, rooted in the seas as a colonial wound of history, a tidalectic between transoceanic migration, personhood and language. This community is more than just its resilience, its assertions of power, its affair with identity and belonging, and its response to deep social inequalities in its homeland. It is also a space of a poetics of resoluteness to recover an identity that is not fractured, not alienated from place and transoceanic crossings. This paper attempts a retelling of a hidden hyphen that held the labourer and the personhood apart, but also together. It navigates through the concept of tidalectics first postulated by Barbadian poet and historian Kamau Braithwaite (2003) in conjunction with Valentine Daniel’s (2008) The Coolie and Khal Torabully’s (1992) Coolitude. The paper seeks to understand more deeply the performativity of the hyphen as an invisible island inside the ocean.
Nomadic identities, archipelagic movements, and island diasporas
Authors: Joseph May
Published: May 2021

Nomadic identities have shaped island histories and archipelagic communities since the emergence of the Westphalian state. In the era of postcoloniality, settler colonial realities, decolonial movements, and now climate change, the processes of forced and involuntary migrations as well as states of internal disaffiliation have accentuated the discontinuities between citizenship and island subjects. This special section of Island Studies Journal offers a comprehensive look at how island mobilities and archipelagic diasporas in formation have shaped contemporary notions of nomadic belonging. Islands have historically been entities whose political struggles for citizenship have been frequently repressed. This section explores island becoming, displaced and migrant archipelagic affiliations, and emerging historical understandings of nomadic citizenship.
Políticas educacionais e os impactos sobre processos educativos nos cursos de Pedagogia: uma análise
Authors: Soares Ferreira Liliana , Tanajura Machado Célia , Severo Maraschin Mariglei , Libraga Papalia De Toni Dulcineia
Published: May 2021

Neste artigo de revisão, consideram-se as políticas públicas educacionais atinentes ao processo educativo dos pedagogos, antes e depois de seu ingresso como professores da infância na escola, e as relações com os cursos de Pedagogia em sua historicidade. Os aspectos metodológicos foram orientados por princípios de sistematização, o que implicou: a) investigação sincrética com base em pesquisa bibliográfica; b) análise dos dados produzidos com elaboração de categorias; c) síntese dialógica acerca do estudo. Desse percurso de pesquisa, resultaram duas sequências argumentativas que se complementam e expressam a questão central: a primeira aborda a Pedagogia no contexto das políticas educacionais brasileiras; e a segunda sustenta que os pedagogos são trabalhadores cuja característica da atividade advém da Pedagogia, entendida como ciência da educação, e esse deve ser o elemento principal no curso.
Representações sociais de trabalhadores com baixa escolaridade sobre o trabalho docente
Authors: Rosso Ademir José , Da Silva Bruna Emilyn , Katzenwadel de Oliveira Vânia , Ribeiro dos Santos Franciely
Published: May 2021

O artigo investiga as representações sociais (RS) da docência entre os trabalhadores com baixa escolaridade (TBE) e vulnerabilidade social, pais de alunos de escolas públicas. Problematiza as RS dos TBE levando em consideração o histórico e as vinculações deles e de seus filhos com a escola pública. A fundamentação teórica das RS é a abordagem dimensional de Moscovici. Participaram da pesquisa 145 pessoas, entre desempregadas, em situação laboral instável ou informal. Das entrevistas foram retiradas as falas dos participantes sobre a escola e as representações sobre o trabalho docente. As informações foram analisadas com o auxílio do software Alceste e da análise de conteúdo. As produções discursivas sobre a docência indicam as RS idealistas como promotoras de um futuro melhor, as RS normativas como trabalho de correção e disciplinamento social e a RS de um trabalho relacional como atividade interpessoal, permeada pelo afeto e motivação dos alunos.
O praxema no contexto esportivo: a linguagem expressa pelo corpo, a exemplo do voleibol
Authors: Valente de Oliveira Raquel , Magno Ribas João Francisco
Published: May 2021

O esporte configura-se como um fenômeno sociocultural de grande relevância para a humanidade, sendo uma das manifestações culturais mais difundidas socialmente, inclusive nos mais diferentes âmbitos de ensino. Como uma teoria que objetiva analisar a lógica interna das práticas motrizes, assim como das esportivas, e auxiliar em seu processo de ensino-aprendizagem, a Praxiologia Motriz caracteriza-se como uma ciência que apresenta diferentes conhecimentos. Um deles é o praxema, elemento específico do jogo, referente à linguagem corporal do jogador, que se manifesta por meio das ações motrizes, sendo uma forma de comunicação e de contracomunicação não verbal. Com base nisso, este artigo objetiva elucidar o praxema no contexto esportivo, tomando como exemplo o voleibol, e sua importância na leitura de jogo e na atuação de seus jogadores. Para isso, realizou-se uma pesquisa teórica, de cunho exploratório, mediante a qual se constatou que a orientação e a linguagem corporal dão indícios aos jogadores sobre qual praxema será manifestado e, portanto, a intencionalidade e as ações motrizes que serão executadas em determinada situação do jogo, tanto por companheiros quanto por adversários. Consequentemente, isso os auxiliará nos processos de análise, interpretação e antecipação, bem como na leitura de jogo e na tomada de decisão dos participantes dessa modalidade esportiva.
Emoções experienciadas no processo de construção de narrativas digitais no Scratch
Authors: Brochado Eliana Alice , Hornink Gabriel Gerber
Published: May 2021

O uso de tecnologias digitais educacionais tem se tornado objeto de pesquisa na atualidade. No entanto, a compreensão das emoções experienciadas durante a utilização de tais tecnologias no ambiente escolar carece de maior pormenorização. Dessa forma, desenvolveu-se uma pesquisa de natureza aplicada, com abordagem mista, arquitetando um estudo de caso exploratório e descritivo com o objetivo de compreender como os alunos, ao construírem narrativas digitais por meio de programação lúdica em um software chamado Scratch, apropriavam-se do gênero. Para tal, utilizou-se a técnica de observação participante, criando-se um teste (dos estados emocionais) que emprega métodos estatísticos para a construção e apresentação dos dados produzidos com alunos dos 6º e 7º anos do ensino fundamental em aulas de Língua Portuguesa. Os princípios das teorias socioculturais de aprendizagem e das emoções embasaram teoricamente as reflexões deste artigo. Os resultados indicam a predominância de emoções positivas durante o processo e o fato de que a presença delas favoreceu a motivação para a construção dos projetos.
Certificação de saberes docentes na educação profissional: construção de um projeto-piloto
Authors: Paula Fassina Ana , Wollinger Paulo , Allain Olivier
Published: May 2021

Considerando sua atuação em sala de aula e o compartilhamento de saberes de sua comunidade de práticas, professores da educação profissional (EP) desenvolvem diversas competências laborais. Com fundamento no art. 41 da Lei de Diretrizes e Bases da Educação Nacional (LDB), nos princípios da Rede Certific e em autores que defendem a valorização da técnica e dos conhecimentos dela provenientes, propomos a avaliação e a certificação dos saberes docentes. Nada mais coerente do que reconhecer naqueles que educam trabalhadores a possibilidade de terem validados os saberes construídos na sua atividade profissional. Por meio de pesquisa bibliográfica acerca das bases epistemológicas e legais da EP, da análise dos atuais programas de formação de professores da carreira do Ensino Básico, Técnico e Tecnológico (EBTT) e do levantamento de programas de certificação de saberes docentes em diversos países, apresentamos o relato de experiência na elaboração de um projeto-piloto de certificação desses saberes, para professores da educação profissional, em desenvolvimento no Instituto Federal Catarinense (IFC) e no Instituto Federal de Santa Catarina (IFSC). Esse projeto é extensível à Rede Federal, bem como a qualquer rede de educação profissional e seus docentes com mais de dez anos de atividade.
A alfabetização nos Parâmetros Curriculares Nacionais (PCN) e na Base Nacional Comum Curricular (BNCC): o que mudou de 1997 a 2017
Authors: Guillen Cássia Helena , Miguel Maria Elisabeth Blanck
Published: May 2021

Este trabalho, inserido na história da alfabetização recente do Brasil, tem o objetivo de refletir sobre como a alfabetização é atualmente considerada nos documentos curriculares oficiais, ou seja, a partir dos Parâmetros Curriculares Nacionais (PCN) e da Base Nacional Comum Curricular (BNCC). Busca ainda compreender em que medida esses documentos se aproximam e/ou se distanciam em relação às suas propostas de alfabetização e quais são as orientações metodológicas diante de permanências, rupturas, avanços ou atualizações contextuais. Para tanto, é feita uma investigação na recente proposta curricular do Governo Federal, materializada na BNCC (Brasil. MEC. CNE, [2017]), em comparação aos PCN (Brasil. MEC, SEF, 1997). Esses documentos oficiais são tomados aqui como fontes primárias, por serem os norteadores dos referenciais curriculares estaduais e municipais. De modo geral, com esta investigação foi possível perceber que há um alinhamento entre os PCN e a BNCC no que concerne ao ensino da Língua Portuguesa. No entanto, ao tratarem da alfabetização, os documentos se afastam, ocorrendo uma ruptura principalmente em relação à forma de conceber, descrever e visualizar sua materialização pedagógica e prática.
21 years after introducing sentinel lymph node biopsy in clinical praxis at the Oncology Institute of Vojvodina
Authors: Selaković Vladimir , Ranisavljević Milan , Lukić Dejan , Đurić Mladen
Published: May 2021

Introduction: Sentinel lymph node biopsy (SLNB) is a standard procedure at the Oncology Institute of Vojvodina since 1999 and during this period we have done more than 1700 biopsies. The aim of this study was to present our results in SLNB in breast cancer surgery. Materials and methods: This retrospective study was performed at the Department for Surgical Oncology at the Vojvodina Institute of Oncology in the period from January 1999 to December 2019. The study included 1762 patients who had undergone SLNB. The mean duration of the follow-up period was 121.89 months. All patients were women with clinically T1-2N0-1M0 breast cancer. Preoperatively, all patients were administered dual contrast media, radiotracer, and blue dye. Results: The majority of tumors were T1c (955 (54.18%). The mean number of extirpated sentinel lymph nodes (SLN) in both groups was 1.84. In 199 (36.72%) patients SLN was the only metastatic lymph node in the axilla. Micro metastases were found in 113 (21.03%) patients. The overall diagnostic accuracy of SLNB was 96%. Conclusion: Axillary SLN can serve as a reliable predictor of negativity of other ipsilateral axillary nodes. Micro metastases in the SLN are not an indication for complete axillary lymph node dissection.
Assessment of quality of life patients suffering from breast cancer and lung cancer
Authors: Kalajdžić Olivera , Pavlović Jelena
Published: May 2021

Introduction: Assessment of quality of life is an important subject of research in various disciplines and today it is an integral part of the evaluation of rehabilitation and therapeutic procedures. The aim of the study was to assess the quality of life and to assess the impact of depression on the quality of life in patients with breast cancer and lung cancer. Material and methods: The study included 60 people, of whom 30 were diagnosed with lung cancer and 30 with breast cancer. The questionnaire was constructed by researchers for this research. Quality of Life Assessment Questionnaire SF-36 and assessment of depression, Beck Depression Scale. Results: The presence of complications is a statistically significant source of differences in the domain of the total physical score, and is not a statistically significant source of differences in other domains from the SF36 questionnaire. Based on the data from the previous table, we can see that the values on the Beck Depression Inventory range from 23 to 35, with AS = 30.00 and SD = 2.584. Conclusion: Respondents who have a higher score on the Beck Depression Inventory also have a higher score on the dimension of physical functioning.
The effect of Covid-19 pandemic on the functioning of a surgical clinic: Single centre experience in Turkey
Authors: Ferahman Sina , Donmez Turgut , Surek Ahmet , Akarsu Cevher , Aydin Husnu , Seyit Hakan , Ozcevik Halim , Tecir Harun , Karabulut Mehmet
Published: May 2021

Introduction: Covid-19 is a viral epidemic disease that causes serious health problems and death worldwide. The rapid expansion of Covid-19 infection led to the disruption of healthcare services and radical reorganisation of healthcare resources due to the healthcare workers' infection. Aim: This clinical study investigated the effects of Covid-19 infection on emergency and elective cases in our general surgery clinic. Material and methods: We retrospectively analysed the clinical data of 195 patients who underwent elective (Group Elective) and emergency (Group Emergency) surgery during the Covid-19 incubation period in the Bakırköy Dr. Sadi Konuk Training and Research Hospital between March 11 - May 18, 2020. Demographic features, symptoms, surgical diagnoses, surgical methods, complications, duration of surgery, length of hospital stay and mortality, the status of Covid-19 of all patients were recorded. Results: 195 patients, including emergency and elective surgery cases, were operated on (104 and 91, respectively). The incidence of Covid-19 infection was 5.49% in patients scheduled for elective surgery and 4.8% in patients operated urgently, and all developed in the postoperative period. Two patients with emergency surgery died of respiratory failure, their mean age was 51 years. Two of 104 emergency-operated patients were positive from Covid-19 (1.92%) at the time of admission. Eighteen medical staff and nurses got Covid-19 infections. Conclusions: Due to the rapid spread of Covid-19 infection, early precautions must be taken in surgical clinics to guarantee the safety of patients all healthcare providers, and personnel.
Rethinking Lynch’s “The Image of the City” Model in the Context of Urban Fabric Dynamics. Case Study: Craiova, Romania
Authors: NIȚĂ Amalia
Published: May 2021

Due to the global market competition, urban transformations affected most cities which wanted to attract more economic and social resources. The level of urban perceptions and their representations as mental images occupy a more important role in obtaining a successful city. In this way it is created a space that is interesting and enjoyable, being also exposed to all the changes that are taking place due to the advances in architecture and infrastructure. This paper will focus on urban image assessment at the cognitive level using an adaptation of the Lynch method, by identifying the five elements in the urban space: paths, edges, districts, nodes, and landmarks, leading to imageability and legibility characterization of the image. In this realm, the case study of Craiova city serves as a model of urban evaluation and will be explored. Interviews were conducted with residents of the city to quantify their perception about the urban image elements. The obtained results of the urban image perception are mapped and will be analyzed with aerial images in order to determine the type of urban fabric that is dominant in the city, the fine grain or the coarse grain layout. The results show that the five elements of the Lynch image of the city can be easily mapped and assessed and that a mixture between fine grain and coarse grain is the best solution identified for the city. The paper concludes by outlining the importance of urban image along with other geographical studies in the sustainable planning and development of cities.
Multilevel financing of sustainable infrastructure in China—Policy options for inclusive, resilient and green growth
Authors: Ahmad Ehtisham
Published: May 2021

COVID-19 has amplified existing imbalances, institutional and financing constraints associated with a development strategy that did not take sufficient account of challenges with emissions, environmental damage and health risks associated with climate change in a number of countries, including China. The recovery from the pandemic can be combined with appropriately designed investments that take into account human, social, natural and physical capital, as well as distributional objectives, that can also address commitments under the Paris agreement. An important criterion for sustainable development is that the tax regimes at the national and sub-national levels should reflect the same criteria as the investment strategy. Own-source revenues, are essential to be able to access private financing, including local government bonds and PPPs in a sustainable manner. Governance criteria are also important including information on the buildup of liabilities at all levels of government, to ensure transparent governance.Despite differences in political systems, the Chinese experiences are relevant in a wide range of emerging market countries as the measures utilize institutions and policies reflecting international best practices, including modern tax administrations for the VAT, and income taxes, and benefit-linked property taxes, as well as utilization of balance sheets information consistent with the IMF’s Government Financial Statistics Manual, 2014. The options have significant implications for policy advice and development cooperation for meeting global climate change goals while ensuring sustainable employment generation with transparency and accountability.
Role of Serum Uromodulin in the Early Diagnosis of Chronic Kidney Disease
Authors: Genov D. , Kundurdgiev A. , Ivanova I. , Nikolova M. , Pencheva V. , Hristova M. , Koleva N. , Kostadinova A. , Vutova Ts.
Published: May 2021

Background: The diagnosis of chronic kidney disease (CKD) is usually delayed, when significant functional renal impairment has already occurred. The diagnosis is complex and clinical and laboratory investigations play a crucial role. There are well-established markers of CKD – serum creatinine and cystatin C. However, the search for new reliable biomarkers that aid in the assessment of kidney function and predict the evolution of the disease is still in progress.

Objective: To investigate the role of serum uromodulin (sUmod) as a marker for early diagnosis of renal impairment in patients with CKD.

Materials and Methods: We investigated 70 patients, 28 male and 42 female, mean age 56.53 ± 11.753, with CKD in a prospective observational study. All patients were admitted to the Clinic of Nephrology at the “St. Ivan Rilski” University Hospital between April and November 2019. After obtaining written informed consent, laboratory blood and urine tests, abdominal ultrasound and sUmod investigations were performed in all patients.

Results: Plasma uromodulin levels showed decrease with the increasing of the severity of renal impairment. sUmod displayed inverse correlation with serum creatinine (r = -0.467, p < 0.0001), cystatin C (r = -0.430, p < 0.0001) and urea (r = -0.495, p < 0.0001) and a positive correlation with eGFR (r = 0.628, p < 0.0001).

Conclusion: The results of our study show that sUmod levels significantly correlate with all established laboratory parameters used for the evaluation of renal impairment. It can be used as a potential early biomarker for CKD diagnosis.
A Study of Paratyphoid Fever in Bulgarian Children
Authors: Pavlova M. , Alexandrova E. , Kalchev Y. , Velev V. , Murdjeva M. , Kantardjiev T.
Published: May 2021

Objective. To study both the molecular discrimination of D-tartrate fermenting and non-fermenting strains of Salmonella enterica subsp. enterica serotype Paratyphi B isolated from patients with paratyphoid fever and the clinical course of this disease.

Materials and methods. The isolates examined were from children aged 3 months to 9 years. A total of 33 Salmonella strains were serotyped as Salmonella Paratyphi B, with an antigenic formula based on O- and H- antigens: 1,4, [5], 12: b: 1,2 by Kauffmann–White classification.

Results. Multiplex PCR analysis confirmed all tested strains as d-tartrate fermenting (dT+), also referred to as variant Java.

Discussion. We found that the most common cause of paratyphoid fever among children in Bulgaria is variant Java Salmonella Paratyphi B. Most children had classic symptoms of acute gastroenteritis – fever, watery diarrhea and vomiting.
Shift Work and Occupational Stress in Hospital Nurses in Sofia
Authors: Vangelova K. , Dimitrova I. , Cekova I. , Stoyanova R.
Published: May 2021

Prevalence of shift work and occupational stress is one of the highest in nursing compared to other sectors. For years Bulgaria is facing nurses’ shortage, which contributes to their long working hours. The aim of the study was to follow the working time arrangements, stressors and health symptoms in hospital nurses in Sofia.

Methods: The study is cross-sectional and comprised 1292 female nurses of average age 50.0 ± 10.2 years from 19 hospitals in Sofia. The anonymous questionnaire was filled, including demographic information, working hours and shift system, with special attention to night work and long working hours, stress and health symptoms. Statistical analysis was carried using SPSS.

Results: The shift work, night work, including 5 and more night shifts per month and the extended shifts were common among the studied nurses with the greatest deal of the emergency and intensive care unit nurses, followed by department nurses. The high rates of overtime and second job contributed to long working hours of 51-60 hours per week in 16.9 % of the nurses and > 61 hours in 11.1 %. About 90 % of the nurses felt under strain and experienced emotional dissonance while working with patients. Work-related stress, night work and long working hours were related to self-rated emotional and physical exhaustion and poor health.

Discussion: The work-related stress, night work and the long working hours raise health concerns for occupational health of hospital nurses. Urgent preventive measures are needed to control stress and reduce working hours and night work.