bluuebunny/crossref_metadata_2025 huggingface dataset:
Acoso escolar en adolescentes: rol, tipo de violencia y determinantes
Authors: Esteban Astrid Nathalia Páez , Contreras Claudia Consuelo Torres , Rodríguez Sandra Patricia Ortiz , Aldana María Stella Campos de , Bueno Laura María Duarte , Silva Beatriz Andrea del Pilar Niño de
Published: October 2020

RESUMEN Objetivo Determinar la prevalencia del acoso escolar y sus factores determinantes en adolescentes escolarizados. Método Estudio de corte transversal analítico en una muestra de adolescentes provenientes de 20 instituciones educativas públicas de una ciudad de Colombia, seleccionados mediante un muestreo probabilístico polietápico. Se realizó regresión binomial simple y multivariable. Resultados Participaron 500 adolescentes. El 50,4% eran mujeres y 53,2% en adolescencia media. Predominó la violencia verbal (66,5%) seguida de física (32,0%) y por exclusión (30,6%). El 69,5% de los adolescentes fueron testigos, 35,8% víctimas y 14,2% agresores. El 80,5% de los agresores fueron víctimas de acoso escolar. En el análisis multivariable, se encontró asociación entre ser víctima y presentar alguna discapacidad (RP 2,4 IC 1,6-3,7), agresión verbal en el hogar (RP 1,7 IC 1,2-2,3) y consumo de droga (RP 1,7 IC 1,1-2,8). Asimismo, ser agresor se asoció con ser víctima (RP 7,2 IC 3,6-14,3) y consumo de alcohol (RP 2,2 IC 1,3-3,8). Conclusión La frecuencia de acoso escolar observada y los factores determinantes asociados, evidencian la persistencia de esta problemática en los adolescentes y la necesidad de desarrollar una cultura de convivencia adecuada e incluyente que trascienda el escenario escolar.
ENFERMEDADES CRÓNICAS NO TRANSMISIBLES Y COVID-19: LA CONVERGENCIA DE DOS CRISIS GLOBALES
Authors: Morejón Giraldoni Alain Francisco
Published: October 2020

Las epidemias de enfermedades emergentes desconocidas tales como el COVID-19 ponen a prueba no sólo la capacidad técnica y humana de los profesionales de la salud que atienden directamente a los enfermos, sino, y sobre todo, la de los sistemas de salud y a la sociedad en general. Para una adecuada comprensión de este fenómeno hay que aproximarse a ellas con un enfoque general que integre muchos elementos que, de otra forma, pueden dar solo una visión parcial del asunto. Por otra parte, una situación como esta, que amenaza la vida de muchas personas, crea una gran tensión social y la necesidad de encontrar respuestas efectivas en el menor tiempo posible. La COVID-19 es la crisis global más grave desde la Segunda Guerra Mundial
Carbonation curing of alkaline industrial waste for binders: comparison of different wastes
Authors: Fang Yanfeng , Zhang Yuzhuo , Zhang Miao , Zhao Mingyu , Wang Qinghe
Published: October 2020

The potential of utilising alkaline industrial waste with weak or no cementitious properties for carbon dioxide (CO2) capture and for new binders by accelerated carbonation was studied; steel slag (SS), calcium carbide residue (CCR) and waste hydrated cement (WHC) were compared. The carbon dioxide uptake and strength development of SS, CCR and WHC were studied and the relationship of strength development with carbon dioxide uptake and characteristics of carbonation products was analysed. The results indicate that carbon dioxide uptake of SS, CCR and WHC strongly depends on the mineral composition: calcium hydroxide (Ca(OH)2) and calcium silicate hydrate (C–S–H) show relatively higher carbonation activity; dicalcium silicate (Ca2SiO4) absorbs less carbon dioxide than calcium hydroxide and C–S–H. The carbon dioxide uptake of SS, CCR and WHC are 6.1, 23.2 and 17.9%, respectively, after 2 h carbonation curing. Compacted SS, CCR and WHC specimens displayed a compressive strength of 74.9, 20.5 and 28.6 MPa after carbonation for 2 h. Compressive strength development depends on carbon dioxide uptake and mechanical properties of raw materials and carbonation products. Calcium carbonate (CaCO3) and amorphous products fill the pore structure, making the matrix denser; improvement of pore structure relates positively to carbon dioxide uptake. The highest compressive strength of compacted SS is mainly caused by the high elastic modulus of SS and formation of C–S–H gel in the carbonation process.
Tension stiffening model for lightly confined reinforced concrete elements
Authors: Menegon Scott J , Wilson John L , Lam Nelson TK , Gad Emad F
Published: October 2020

Reinforced concrete (RC) walls subject to in-plane lateral loads are essentially subject to axial compression and tension forces in the respective end regions of the wall. The tension forces initially result in elastic tensile stresses in both the concrete and longitudinal reinforcement. Cracking occurs after the maximum tensile stress of the concrete has been exceeded and results in the reinforcement providing the sole tensile resistance at each crack location. The mechanical interlock between the reinforcement and concrete means that a portion of the tensile stress in the reinforcement at each crack is transferred back into the concrete between adjacent cracks. This mechanism stiffens the concrete in tension and is referred to as tension stiffening. This paper presents a generalised tension stiffening model developed for limited ductile (i.e. lightly confined) RC walls. However, it is also applicable for lightly confined RC elements generally. The model was validated against 14 boundary element prism specimens subject to cyclic loading, with very good correlation observed between the theoretical model and the experimental results. This model can easily be adopted into a sectional analysis procedure to account for tension stiffening in both the elastic and inelastic regions of response in an RC wall.
Atuação profissional dos egressos do programa de educação tutorial de um curso de enfermagem
Authors: Lopes Thaynara Ferreira , Silva Beatriz Viana da , Carvalho Luana Sousa de , Vaz Suellen Silva , Pereira Jamile Mineu , Carvalho Rhanna Emanuela Fontenele Lima de
Published: October 2020

OBJETIVO: conhecer as contribuições do Programa de Educação Tutorial (PET) para a atuação profissional dos egressos do curso graduação em enfermagem de uma Universidade do Nordeste do Brasil. MÉTODO E MATERIAIS: trata-se de uma pesquisa descritiva com abordagem quantitativa e qualitativa. A coleta de dados ocorreu em 2017 por meio de questionário com perguntas sobre as habilidades desenvolvidas enquanto bolsistas e as contribuições na carreira profissional do egresso. Todos os 84 ex-bolsistas foram convidados a participar, dos quais 47 responderam ao questionário. RESULTADOS: 75,5% dos egressos desse programa conseguem rápida inserção no mercado de trabalho com perspectivas de reingresso na universidade por meio dos cursos de pós-graduação. Em relação às contribuições do programa na carreira profissional, afirmaram que as competências desenvolvidas facilitaram a solidificação do perfil profissional desejado. Revelaram que o programa foi importante para a carreira profissional, e que também contribuiu no desenvolvimento pessoal. Ademais, 51% relataram que o trabalho em equipe e relacionamento interpessoal foram as competências que mais colaboraram na vida profissional. CONSIDERAÇÕES FINAIS: foi possível perceber a importância da atuação do programa na formação acadêmica e profissional dos estudantes do curso de enfermagem, a partir do desenvolvimento de habilidades realizadas no grupo.
The time is now for public health to lead the way on addressing financial strain in Canada
Authors: Glenn Nicole M. , Nykiforuk Candace I. J.
Published: October 2020

Financial strain was an issue for many Canadians long before the arrival of the global novel coronavirus pandemic in early 2020. However, it has worsened in recent months in relation to the pandemic and public health measures put in place to prevent the spread of COVID-19. Members of underserved groups and people who experience poverty are particularly vulnerable to financial strain and its negative health impacts. As public health professionals, we should be concerned. In this commentary, we discuss the concept of financial strain and its health consequences and highlight how existing research in the area is falling short and why. We suggest next steps to guide research and practice related to financial strain such that it reflects the core values of public health, including equity, life course approaches, and the social determinants of health. This commentary is a call to action for public health researchers and practitioners in Canada to take a more prominent role in shaping the agenda on financial strain to support financial well-being for all.
Multiple Model Algorithm for Single-Beacon Navigation of Autonomous Underwater Vehicle without Its A Priori Position. Part 2. Simulation
Authors:   Concern CSRI Elektropribor, JSC, Koshaev D.A. ,   ITMO University, St. Petersburg, Russia
Published: October 2020

The algorithm presented earlier is updated for the case when an autonomous unmanned vehicle (AUV) is equipped with a strapdown inertial navigation system (SINS) based on angular rate sensors and a water speed log. The algorithm simulation results for a SINS of navigation grade, a two-component water speed log, two trajectories of the AUV motion when approaching the beacon to a distance of 100 m; two values of the AUV’s speed; solid and fragmented diagrams of received acoustic measurements are presented. The results show that the algorithm provides the AUV positioning accuracy of several meters even in the situations when the received acoustic measurements are discontinuous. It has been found that the accuracy characteristics provided by the algorithm adequately reflect the level of real errors.
Issues, Challenges, and Future Directions for Multilingual Assessment
Authors: Wang Yangting , Li Shikun
Published: October 2020

Multilingual teaching and learning practices are often implemented in K-12 classrooms. However, issues related to multilingual assessment are rarely investigated. With the growing population of multilingual learners in the classroom, there is a great need to understand what multilingual assessment is and how to assess students who come from culturally and linguistically diverse backgrounds. The current study attempts to fill the research gap by reviewing the assessment literature over the past 15 years on multilingualism. We summarize and synthesize three main themes: 1) issues related to multilingualism, 2) difficulties, and challenges of multilingual assessment, and 3) approaches to assessment for multilingualism. We further divide the third theme into five subcategories: ideological shift, new ways of measuring English language proficiency, translanguaging-based assessment, dynamic assessment, as well as incorporating qualitative research. The study introduced the challenges of implementing multilingual assessment, offers an overview of the different approaches, and calls for more work to be conducted using the approaches.
Application of Affective Filter Hypothesis in Junior English Vocabulary Teaching
Authors: Wang Ling
Published: October 2020

With the continuous development of new curriculum reform, language teaching is paid more attention to the learners’ affective state. Affective factors are becoming more and more important factors affecting learners. Therefore, English educators need to make good use of affective factors during the teaching. This thesis researches the middle school students’ emotional problems in the vocabulary learning from three aspects of affective filter hypothesis: motivation, confidence and anxiety and finds the problems of middle school students in English vocabulary learning, then applies this theory in vocabulary teaching. The research shows that the affective filter hypothesis is applied in Junior Middle School English vocabulary teaching. It effectively improves teachers’ teaching proficiency and is good for students’ vocabulary learning.
Hyponyms of Insect in Ovoko Lect
Authors: Ukamaka EZE, Jacinta , Ginika MAMAH, Juliana , Christian ABOH, Sopuruchi , Onyebuchi ARUAH, Virginus
Published: October 2020

Earlier researches have focused on hyponymy in different languages. There appears to be lack of research in the study of hyponyms of insect in a dialect of Igbo. As such, this study examines the hyponyms of insect in Ovoko lect. The objectives of the study are to identity hyponyms of insects in Ovoko lect and classify them based on their superordinate terms or hypernyms. The study employs componential analysis in the analysis of data which were drawn from introspection and confirmed by selected native speakers of Ovoko lect. The study discovers that there are so many hyponyms of insect in the lect under study and all the hyponyms of insect therein are hyponyms in other levels. The study also shows that all the co-hyponyms in every superordinate term, though have their peculiar features, share some features in common which include them under such superordinate term. The researchers, therefore, recommend more study on the topic to help expand the vocabulary of the Igbo language.
On the Establishment of Database of Morpheme Meaning Annotations for Modern Chinese Compounds
Authors: Xu Yu , Chen Weiqi , Song Fei
Published: October 2020

This research establishes Database of Morpheme Meaning Annotations for Compounds, and statistically analyses the using frequency of morphemes and their meanings in the database. The research shows that the using frequency of “zi” (子) and “er” (儿) is the highest, and their meanings with the highest using frequency are applied when the morphemes are affixes. Among various meanings of one morpheme, only one meaning would be applied with high frequency, with simpler and specific implications. By overviewing all morphemes, it is observed that those with higher using frequency do not necessarily have meanings with high frequency of use. By analyzing internal structures of compounds, this paper finds that noun-modification compounds are the most, followed with verb-object compounds and affixation compounds. The semantic logic relations between morphemes and compound words can be: word definitions can be the abstraction of objects signified by morpheme meanings, or of senses signified by morpheme meanings, or of spatial meanings signified by morpheme meanings.
Componential Analysis of ‘Gbá’ Verbal Complex and Its Relevance in Second Language Teaching
Authors: Nwachi Eberechukwu Sylvia , Babarinde Olusanmi , Ahamefula Ndubuisi
Published: October 2020

This work examines the componential analysis of the gbá verbal complex in Igbo. It investigates the complex verb gbá in order to find out the basic components of the verb in Igbo thereby arriving at its lexical meaning. The paper adopts the theory of componential analysis for the analysis of data. The data used for the study were elicited through informal interview and the researchers’ intuitive knowledge as native speakers. The study found out that ‘gbá’ is a verb of movement or motion which results into change of position. This is applicable to all the words that bear the verb root. The distinguishing features that exist among them are equally observed. It is found out that different meanings associated with the word bearing the verb root ‘gbá’ is based on the verb that selects the complement thus the word gbá-égwú means ‘dance’, gbá mgbá ‘wrestle’ and gbá oso ‘run’. It will bring clarity among the meanings of lexemes in the same semantic domain. These findings will be beneficial to curriculum designers by giving them the insight on areas to stress more in teaching second language learners and for documentation.
The Implementation of Kid’s Athletics as an Interactive Audio Visual Learning Media
Authors: Hariadi Hariadi , Suryansah Suryansah , Watoni Muhamad Rezeki Rizal
Published: October 2020

This study was aimed at designing, creating, and developing an interactive audio visual learning media. This study was also aimed at examining the effectiveness of the implementation of the kid’s athletics interactive audio visual learning media on the student learning achievement. This research used a Research and Development method. The subjects of the study were 30 elementary students. The research design was the product development model. The data were analyzed by using a percentage calculation of the validation results. The validators were the expert in media and the expert in material. The result of the data analysis showed that the use of interactive audiovisual media kid’s athletics had been assessed as valid by the validators. The validity score was 85,71% from the media expert and 91,67% from the material expert. Therefore, the product was categorized as very good, which means it is applicable to use. The results of teacher instruction observation on using the kid’s athletics interactive audio visual media were 94,79% for the Kanga Escape material, 88,54% for Frog Jump material, 92, 70% for Turbo Throwing material, and 91,66 for Formula 1 material.
Analyzing Elementary School Student Cooperative Skill through Outbound Activity
Authors: Nur Lutfi
Published: October 2020

Cooperation is an important aspect to be owned by students to support their quality of life. The purpose of this study was to find out elementary school student cooperative skills through outbound activity. The descriptive method was chosen to describe the cooperative ability of 20 lower-class students, aged 7-9 years. The data were collected through an electronic instrument of cooperative rubric covering three aspects, including communication, responsibility, and helping each other. The obtained data were analyzed by using descriptive statistical analysis to describe the cooperative level of the students in the outbound activity. The result of the study showed that the student cooperative skill was very low. It was shown by the development of the score. The score on the communication aspect was 44%. The score on the responsibility aspect was 29%. The score on helping each other was 33%. This condition should become an evaluation for the elementary school teachers to find out an alternative solution to overcome the problems. In addition, technology utilization, such as electronic rubric, could help teachers in conducting observation to evaluate the student’s learning development in elementary schools.
Fine and Gross Motor Skill Proficiency Differences of Children Aged 8-9 Years based on Gender
Authors: Wibowo Ricky , Budiman Didin , Sumarno Gano
Published: October 2020

The aim of this study was to find out the proficiency differences in fine motor skills and gross motor skills based on gender. 147 children at the elementary school level were divided into two groups according to their gender. Male children were 78 children (aged 8.5±0.4) and female children were 69 children (aged 8.3±0.3). The instrument used in this research was the Movement Assessment Battery for Children–second edition (MABC-2). The statistical test used a non-parametric Mann-Whitney U test, while r coefficient was used to interpret the effect size. The result of the study showed that the manual agility of male children was better than female children. However, the difference was not significant and the effect size was small (p .05, r = .004). The result also showed that the catching and throwing skills of male children were better. The difference was not significant and the effect size was small (p .05, r = .023). Meanwhile, the balance of the male children was better than the female children with a significant difference and medium effect size (p .05, r = .055). In general, the result of the study shows that male children are better than female children in fine and gross motor skill mastery.
A Study on Phase and Microstructure of Reduced Graphene Oxide Prepared by Heating Corncobs
Authors:   Universitas Pesantren Tinggi Darul 'Ulum Jombang, Mas'udah Kusuma Wardhani , Taufiq Ahmad ,   Universitas Negeri Malang, Sunaryono Sunaryono ,   Universitas Negeri Malang
Published: October 2020

The purpose of this study was to find out reduced graphene oxide (RGO) phases by identifying the system, elemental system, and microstructure of corncobs. Characterization was carried out by XRD and SEM-EDX spectroscopy. The temperatures used in this work are 100, 200, and 250 ºC with a holding time of 1 hour. XRD analysis shows that the RGO phase is formed by the structure of the aromatic layer arrangement (graphite 002), and the widening comes from small-dimensional crystallites perpendicular to the aromatic layer (graphite 120). The elements contained in the three samples have a dominant proportion in the elements carbon and oxygen. From the SEM results obtained the morphology of corncobs powder that looks like sheets. The reduced graphene oxide phase is formed from the process of reducing corncobs powder.
COVID-19 in individuals adapted to aerobic exercise
Authors: Tret'yakov A. Yu. , Zakharchenko S. P. , Romasenko L. V. , Dyatlova A. V. , Zhabskaya A. V. , Ermilov O. V. , Tret'yakov M. A. , Chentsova D. D.
Published: October 2020

Analysis of COVID-19 features in individuals who regularly practice aerobic training. Methods. Asymptomatic persons and patients with COVID-19 older than 30 years, 293 people (180 men and 113 women), 214 of them – inhabitants of the Moscow region (the beginning of the sampling – 2nd decade of April 2020) and 79 – inhabitants of the Belgorod region (the beginning of the sampling – 2nd decade of May 2020), adapted (27 people 1st group) and unadapted (266 – control group) to aerobic training (AT). Computer tomography of the chest, RNA test for SARS-CoV-2 in smears from the nasopharynx-oropharynx, the clinical blood sample and level of antibodies to SARS-CoV-2 were studied. The criterion for adaptation to aerobic loads was considered compliance with the rules of the American Heart Association, 2008. Results. Adapted to AT individuals, in contrast to the control group, characterized with the prevalence of asymptomatic (p = 0.045) and absence of severe forms of COVID-19, limited cataral simptoms of the disease (p < 0.001), rare pneumonia with absence (1) or presence (2) of acute respiratory failure (p1 = 0,028; p2 = 0,034), along with lower prevalence of diseases, potentiating this infection (p = 0.03). Conclusion. Patients adapted to AT have less severe course of COVID-19.
Randomized controlled study on pulmonary rehabilitation in COVID-19 patients with pneumonia
Authors: Lyadov K. V. , Koneva E. S. , Polushkin V. G. , Sultanov E. Yu. , Lukashin M. A.
Published: October 2020

Pulmonary rehabilitation in COVID-19 patients with pneumonia is associated with better treatment outcomes. However, existing protocols have never been evaluated in randomized control studies. The aim. To evaluate the effectiveness of newly-developed pulmonary rehabilitation protocol compared to basic Russian COVID-19 guidelines for patients with oxygenation index (OI) between 200 and 400 points without IMV. Methods. Based on literature reviews and own clinical experience, standard rehabilitation protocol was designed and tailored for specific needs of low-OI patients. Two clinical centers participated in the study and included total 73 patients in main group. Control group included 73 retrospective patients based in propensity score; this patients received standard protocol of early pneumonia activation from official COVID-19 guidelines. Ten-days clinical outcomes were assessed based on parameter distribution type. Results. Evidence show significant difference in required time of continuous oxygen support in (5.1 ± 3.3 vs 8.0 ± 4.6 days for main and control group respectively. Main group also had mildly better functional. We’ve observed less mortality in main group, but attribute it not to the program, but for growing experience of health professionals and decreased loads on health system. Malignancy as comorbidity was considered a significant cofactor also. Conclusion. New pulmonary rehabilitation protocol improves clinical outcomes in critical COVID-19 patients by decreasing the demand fox oxygen support.
Lung ultrasound: the possibilities of diagnosing of lung damage associated with the new coronavirus infection COVID-19
Authors: Nekludova G. V. , Avdeev S. N.
Published: October 2020

This publication is devoted to the ultrasound method of lung examination, which has gained particular relevance during the pandemic of the new coronavirus infection 2019. The lecture discusses the general provisions of lung ultrasound, ultrasonic signs of lung damage, features of ultrasound semiotics in the viral nature of lung lesions, differences from the bacterial nature of lung damage, presents aspects of the use of lung ultrasound during the pandemic of the coronavirus infection 2019. The lecture is based on the experience of domestic and foreign researchers, as well as on the authors’ own experience, which demonstrates the value of this method both in intensive care units and in a therapeutic clinic.
Imaging of lung pathology in COVID-19 (literature review and own data)
Authors: Tyurin I. E. , Strutynskaya A. D.
Published: October 2020

Novel coronavirus infection is predominantly manifests as lung tissue damage. Imaging methods, particularly, chest X-Ray and computed tomography, are of great importance for detecting pulmonary changes and differentiate them with other diseases (mainly other viral pneumonias). In the early disease stages the disease presents on CT with ground glass opacities, consolidations, crazy paving symptom. With time course, they can gradually decrease, evolve into organizing pneumonia or stay stable and even increase in volume with the spread of consolidation and formation of several signs of organizing pneumonia. Although radiological methods show high sensitivity in the detection of pulmonary changes, their specificity and prognostic ability are not so good today. Novel coronavirus infection can be complicated with pulmonary embolism, development thrombosisin situin pulmonary small vessels, acute heart failure and subsequent development of cardiogenic pulmonary edema, bacterial superinfection, exacerbation or worsening of chronic lung disease and several iatrogenic issues (pneumothorax, pneumomediastinum, hematomas).
Desenvolvimento de instrumental para a padronização do volume e da forma dos incrementos de resina composta direta e relato de caso clínico
Authors: Spagnol Renato Cauduro , Maroli Angélica , Martins Pâmela , Dall Agnol Rhuy Jacob
Published: October 2020

Objetivo: O presente trabalho teve por objetivo desenvolver um protótipo de instrumental clínico que possibilita a padronização do volume e forma da massa de resina composta para o uso em procedimentos restauradores direto, além de relato de caso demonstrando a aplicabilidade do protótipo. Para isso, foi selecionada uma empresa produtora de instrumentos odontológicos e ativa no mercado nacional com registro na ANVISA. Tendo como base um calcador de Holemback número 6, esse, foi reconfigurado geometricamente afim de atingir os requisitos necessários para o desenho pretendido. Após a etapa de desenvolvimento, esse novo instrumento foi utilizado para o relato de um caso clínico de restauração direta de resina composta envolvendo esmalte e dentina das superfícies ocluso-distal do dente 15 e oclusal do dente 16. Os tecidos dentais foram hibridizados pela técnica adesiva associada de condicionamento seletivo do esmalte com ácido fosfórico e aplicação de sistema adesivo auto-condicionate (Clearfil SE Bond, Kuraray, Japão) em esmalte e dentina. A restauração foi realizada com a resina composta Z350 XT (3M ESPE, USA) nas cores A1 e A2B. Conclusão: A utilização do protótipo de instrumental auxilia na execução de restaurações direta de resina composta com o favorecimento ao controle das tensões geradas pela contração de polimerização e poderá ter papel importante no treinamento restaurador dos profissionais.
Efeito do hipoclorito de sódio na retenção de pinos de fibra de vidro – revisão de literatura
Authors: Zottis Marcelo Ferri , Ottoni Rodrigo , Ghiggi Paula Cristine
Published: October 2020

O objetivo desse trabalho foi realizar uma revisão de literatura sobre o efeito do hipoclorito de sódio na retenção de pinos de fibra de vidro. Uma busca por artigos foi feita em bases eletrônicas de dados (Pubmed, Bireme e Scielo). Os resumos foram selecionados de acordo com o tema proposto, baixados e lidos para inserir no trabalho somente os pontos principais de cada trabalho e, assim, formular a revisão de literatura com informações atuais sobre o assunto proposto. A discussão foi realizada para compreender os resultados e chegar a considerações finais da revisão fazendo uma conexão com a prática clínica. As conclusões foram baseadas na hipótese de que o hipoclorito de sódio tem efeito negativo na retenção de pinos de fibra de vidro. A presente revisão de literatura mostrou, a partir dos achados dos estudos, que o uso do hipoclorito de sódio pode interferir na retenção de pinos de fibra de vidro ao canal radicular, principalmente quando a irrigação final com EDTA 17% não é realizada.
Optimum Design of Fractional Order PIᵅ Speed Controller for Predictive Direct Torque Control of a Sensorless Five-Phase Permanent Magnet Synchronous Machine (PMSM)
Authors: Bounasla Noureddine , Barkat Said
Published: October 2020

In both direct torque control (DTC) and predictive direct torque control (PDTC) strategies, just single voltage vector is applied. The question arose, is this applied vector the optimumin terms of minimizing torque and stator flux ripples? In DTC, it may not be the optimum one. However, in case of PDTC, there is a possibility to evaluate the performance of different voltage vectors, where a cost function is proposed to determine the appropriate voltage vector that brings the lowest torque and stator flux ripple within one cycle. On the other hand, PI controller provides a good performance but if the parameters change, the system may lose its performance. With the aim of enhancing the robustness of the PDTC scheme, a fractional order PI controller is proposed that can be considered as a generalization of the classical PI controller, and to set its parameters, a Grey Wolf Optimization algorithm is employed. Furthermore, omitting the sensor increases reliability and decrease the size and cost of the drive system. For these reasons, an extended Kalman filter observer is adopted, where the rotor speed and rotor position as well as the load torque are estimated. In this work, a fractional order PI controller tuned by GWO for PDTC of a five-phase permanent magnet synchronous machine (PMSM) based on EKF observer is presented. Analysis of simulation results exhibit clearly the efficiency and robustness of the suggested control compared to conventional DTC based on classical PI controller.
A New Type-2 Fuzzy Sliding Mode Control for Longitudinal Aerodynamic Parameters of a Commercial Aircraft
Authors: Tavoosi Jafar
Published: October 2020

Although sliding mode control has many advantages such as stability and robustness but there are two important disadvantages as follow: Chattering phenomenon and mathematical nonlinear dynamic equivalent controller part. So, this paper presents a new method of adaptive sliding mode control based on general type-2 fuzzy logic to overcome on the mentioned problems. First, the longitudinal motion equations of a commercial aircraft and the upper limits of the unknown functions are introduced, which include the driving errors and uncertain parameters of the model. Then, a general type-2 fuzzy neural network (GT2FNNs), with adaptive rules, estimates these limits. Estimating the limits can reduce the computational load with less rules and weight than the dynamic matrix. The Boeing 747 is being studied and an attempt has been made to use a model very close to this aircraft. The stability of the control system has been proven. The simulation results show that by applying three models of faults to the aircraft system, the proposed type-2 fuzzy-based sliding mode control has excellent performance, especially in controlling the Aileron and Rudder angles.
Multi-agent Modeling of the Collaborative Operation of the Producer Service Supply Chain under the Intelligent Manufacturing Clusters in the Yangtze River Delta
Authors: Liu Caihong
Published: October 2020

With the proliferation and aggregation of advanced production technology and information technology, several regional intelligent manufacturing clusters have taken shape in China. The development of intelligent manufacturing, which is highly technical, innovative, and informatized, needs the support of more professional producer services. Considering the broad scope of producer service supply-demand in regional intelligent manufacturing, this paper takes the intelligent manufacturing cluster in the Yangtze River Delta as the object, analyzes the limited access to producer services required for production operations, and proposes to integrate and supply the resources of multiple service agents in the region in a dynamic and collaborative manner. Then, the Multi-Agent model was constructed for the producer service supply chain, and the relevant factor libraries and decision libraries were designed. Finally, an empirical analysis was carried out to evaluate the stability of the collaborative operation of the producer service supply chain under the effect of some collaboration factors. The results show that the model has a certain theoretical reference value.
Design and Analysis of Grid Tied Renewable Energy System Based E-Chopper Using Main Controller
Authors: Pandi Pothuraj , Mopidevi Subbarao , Krishnan Suresh
Published: October 2020

The primary aim of this research article regulates the power of Embedded Chopper \ (e-chopper) through PI (proportional and integral) controller to maintain constant output from non-reliable variable input. The operation of e-chopper plays an important role to transfer power from primary sources of wind & solar to load and secondary source of the grid to the battery by means of closed-loop operation. When the input is getting from primary source from the e-chopper operates in boost mode and also maintains buck mode when the secondary source charges the battery, which is controlled by Digital Signal Peripheral Interface controller (DSPIC) controller with another PI control structure. Obtains better regulation and operation of whole system for intermittent nature of renewable energy sources of wind and solar, Proper modes of operation requires effective maintenance & efficient utilization of power from both the side to control the system operation in a systematic way. It maintains the constant voltage of the system for reliable operation through an intelligent approach in a systematic way. Hence to obtain this, Main Controller (CLC) is introduced to control the modes of operation in closed-loop structure. Speedgoat real-time objective mechanism plays the role of CLC; it can operate the entire scheme in different modes of operation. Modes are depending on some input parameters like wind velocity (v) in m/s, solar output (Ir), load condition (1/0) & battery state of charge (SOC). Based on these conditions Main controller has to control the modes of operation in an intelligent approach. This system of approach is very much helpful for agriculture irrigation and lighting applications.
Production Logistics Management of Industrial Enterprises Based on Wavelet Neural Network
Authors: Liang Qian
Published: October 2020

With an efficient production logistics system, intelligent manufacturers can reduce the investment in production, improve the stability and self-repair ability of production logistics, and strike a perfect balance between production scheduling and production logistics. This paper probes deep into the production logistics management (PLM) of industrial enterprises, and proposes a PLM model for such enterprises based on wavelet neural network (WNN). Firstly, the PLM system architecture of industrial enterprises was established, and the scheduling and task allocation principles were proposed for the collaboration of various subjects in the system. Based on curved time window, a multi-objective path planning and optimization model was established, under influencing factors like the dynamics of station demand and the maximum driving range of handling equipment. Simulation results show that the proposed model is effective in optimizing the path for industrial production logistics. The research results provide theoretical supports to the real-time optimization of PLM and rationalization of production scheduling in industrial enterprises.
Pięć kroków pastoralnego nawrócenia
Authors: Sadlak Robert
Published: October 2020

Współczesny Kościół nawołuje wszystkich wiernych do podjęcia mentalnego nawrócenia, które ma polegać na uświadomieniu sobie na nowo swojej tożsamości i wypływającego z niej posłania do dzieła ewangelizacji. Jednym ze sposobów pastoralnego nawrócenia jest podjęcie pięciu kroków, które symbolizuje pierwszych pięć liter alfabetu: A, B, C, D, E. Aby stać się autentycznym ewangelizatorem, należy najpierw adorować Boga, modlić się, następnie być dla ludzi bratem i siostrą, starać się praktykować chrześcijańską caritas (miłość) i czuć się uczniem Jezusa. Dopiero wtedy, gdy te kroki będą podjęte, osoba wierząca stanie się z pomocą łaski Bożej autentycznym ewangelizatorem.
Małżeństwo w Asyryjskim Kościele Wschodu. Studium systematyczne z odniesieniami do innych tradycji chrześcijańskiego Orientu
Authors: Potoczny Mateusz R.
Published: October 2020

Małżeństwo rozumiane jako związek mężczyzny i kobiety, ustanowione z woli samego Stwórcy, w każdej tradycji liturgicznej cieszy się wielkim szacunkiem. Asyryjski Kościół Wschodu nie jest tu wyjątkiem, chociaż w dyscyplinie kanonicznej nie nazywa małżeństwa sakramentem. Niniejsze studium stanowi prezentację myśli teologicznej i praktyki liturgicznej związanej z małżeństwem w tej czcigodnej i starożytnej tradycji Kościoła. Analiza obejmuje kolejno kwestię rozumienia małżeństwa jako sakramentu, krótką historię rozwoju obrzędu, prezentację struktury ceremonii oraz kanoniczną dopuszczalność rozwodu. Najwięcej miejsca poświęca się liturgicznemu obrzędowi małżeństwa, który jawi się jako jeden z najbardziej rozbudowanych spośród wszystkich liturgii ślubnych Kościoła. W ostatniej części, podsumowującej całość studium, znajduje się kilka refleksji, które mogą stać się przyczynkiem do podjęcia dyskusji nad wizją małżeństwa we współczesnym świecie.
Co-occurences of kok and other markers in colloquial Jakartan Indonesian
Authors: Mutiara Rika
Published: October 2020

This study analyzes discourse marker (DM) kok (why) in colloquial Jakartan Indonesian. Co-occurences of markers are noticeable features. It focuses on examining the emotive and textual functions of the co-occurences of kok and other markers. This study applied corpus methods. It was found that there are 7 markers co-occur with kok namely lho, eh, oh, lha, wah, ah, and ih that always appear on the left side of kok. Only DM sih occurs on the right side. In emotive functions, the co-occurrences were used to show shock, disappointment, and disgust. Three markers might occur together in one utterance which cause more complex senses. Some utterances with kok appear repeatedly in the form of questions. It seems that in questions with kok, the speakers feel more curious and demand more responses. In textual functions, the speakers use the co-occurrences to raise a topic, emphasize, demand answers, and negotiate. Moreover, it was also used when the speakers have just noticed something and tried to make the interlocutors notice.
Maxim of Cooperative Principle Violation by Dodit Mulyanto in Stand-up Comedy Indonesia Season 4
Authors: Satria Raharja Ahmad Ulliyadhi , Rosyidha Alfin
Published: October 2020

This study focuses on cooperative principle violation done by Dodit Mulyanto in Stand Up Comedy Indonesia season 4 using Grice’s theory. Grice expressed cooperative principle to suggest that in conversational interaction people work on the assumption that a certain set of rules is in operation, unless they receive indications to the contrary. The aims of this research are to classify the maxims of cooperative principle and to explain how Dodit Mulyanto violates cooperative principle to raise humor in Stand Up Comedy Indonesia season 4. Besides, this research is also directed to discover the types of violation maxims, the most dominant violation maxim, and to explain the causes of the most dominant violation maxim in Dodit Mulyanto’s Stand Up Comedy Indonesia season 4. This research is conducted using qualitative method.  The sources of data are the 17 videos of Dodit Mulyanto’s speech during his performance in Stand Up Comedy Indonesia Kompas TV season 4 by downloading from YouTube site. The data are the utterances of Dodit Mulyanto which considered contain the violation of cooperative principles. The data are collected using the check list instrument and then analyzed based on the violation on each maxim. At the end, the researcher draws the conclusion which is in accordance with the research finding. The results of the analysis shows that all types of maxim were violated; 12 utterances violation maxim of quantity (24,4%), 13 utterances violation maxim of quality (26,5%), 22 utterances violation maxim of relation (44,9%), and 2 utterances violation maxim of manner (4,1%). The most dominant type of violation maxims was the violation maxim of relation because Dodit Mulyanto delivered too much message, which is unmatched with the topic or changed conversation topic abruptly or did the wrong causality, than is required to raise humor in Stand Up Comedy Indonesia Kompas TV season 4.Keywords: Cooperative Principle, Maxim Violation, Stand Up Comedy.
A Discourse Analysis on “Under the Same Sun” from Scorpions
Authors: Arifin Win Listyaningrum
Published: October 2020

The song "Under the Same Sun" firstly released in 1993 is a song written by famous rock group music namely Scorpions. This group is coming from Hannover, Germany. Though renowned phenomenally as a music group with loud genre but this song is a ballad one because it really tells the story of real-life people in the war zone while citizens of the world just show a little caring concern. The song portraits a common view on the hopelessness of victimized people in war zone who need for sympathy and empathy. Otherwise, they get no positive response from other people who live in comfort. This paper is a library research with a descriptive qualitative approach to investigate the discourse analysis of a song lyric. The approach is then used to analyze the data from the song lyrics. The discourse aims at finding the discourse on its grammatical aspect, lexical aspects, situational aspect, and contextual aspect. The study’s discourse analysis on the song lyrics reveals several features. From the grammatical aspect of this song revealed the references in the form of pronoun and demonstrative, ellipsis and conjunction. While in the lexical aspects, it found only two components, namely reps and collocation. The contextual analysis showed the cultural context and the context of the situation. Meanwhile, the situational context itself is divided into physical context, epistemic context and social context.Keywords: Grammatical Aspect, Lexical Aspect, Contextual Aspect
Speech Act Analysis of Madurese Wedding Ceremony in Kalidandan Village, Pakuniran, Probolinggo
Authors: Anwari Anwari
Published: October 2020

Pragmatics is the study of those relations between language and context that are grammaticalized, or encoded in the structure of language. This study aims to describe kinds of speech acts especially locutionary act, illocutionary act, and the perlocutionary act of Madurese wedding ceremony in Kalidandan village, Pakuniran district, Probolinggo regency. The results of this study showed that the illocutionary act of the Madurese wedding ceremony in Kalidandan village, Pakuniran district, Probolinggo regency has various kinds of speech act, 1) direct speech act; 2) indirect speech act; 3) literal speech act; 4) non-literal speech act; 5) direct literal speech act; 6) indirect literal speech act; 7) direct non-literal speech act, and 8) indirect non-literal speech act.Keywords: Speech act, Kinds of speech act, and Madurese
Trump's Speech about Jerusalem: An Analysis on Persuasive Strategies
Authors: Faiz Ahmad , Yulianti Andi Indah , Septiana Dwiani
Published: October 2020

ABSTRACTSpeaker delivers a speech to achieve the goal indicating the use of persuasive strategies. This research investigates the persuasive strategies used by Donald Trump on his speech about Jerusalem. The aim of this research is to analyze the types of persuasive strategies on Donald Trump’s speech about Jerusalem. Jerusalem is a holy place where many beliefs live together such Islam, Christianity, Jews, etc. Its territory surrounds Palestine and Israel, as both have a great rivalry in an old war. Donald Trump showed his sympathy toward Jerusalem through his speech. In influencing hearers, Trump’s speech reflected persuasive strategies. Persuasive strategies are expressed to influence and change hearers attitude and motives to follow what speaker wants to. This research used qualitative approach. The data analyzed in this research are two speech of Trump about Jerusalem. The result showed that Trump used ethos, logos and pathos. Trump expressed pathos by showing his perceived intelligence, virtuous character and goodwill to create peace in Jerusalem. Logos were expressed while Trump showed factual information about the role of Israel in creating peace in Jerusalem. Trump mostly expressed pathos to affect hearers emotion by creating mildness, giving admiration and confession. Therefore, in achieving the goals of his speech, Trump intended to persuade hearers by touching their emotion.Key words: persuasive strategies, speech, Donald Trump
AS FRONTEIRAS INTERNACIONAIS DAS CIÊNCIAS SOCIAIS: ITINERÁRIOS DE UM INTELECTUAL COLETIVO
Authors: Garcia Jr Afrânio Raul , Gheorghiu Mihai Dinu
Published: October 2020

Entrevista com Afrânio Raul Garcia Jr. realizada por Mihai Dinu Gheorghiu.
AUTONOMIA DAS CRIANÇAS VERSUS CONTROLE INSTITUCIONAL: UMA ANÁLISE DA AGÊNCIA INFANTIL EM UMA CASA ABRIGO DE IMPERATRIZ
Authors: Lima Jéssica de Sousa , Sousa Emilene Leite de
Published: October 2020

Esta pesquisa dedica-se à análise da construção da autonomia infantil em crianças em situações de abrigo. As Casas Abrigo são espaços cuja organização repousa no excesso de regras e controle do tempo, do espaço e das ações infantis. Logo, esta pesquisa dedicou-se a investigar as estratégias através das quais as crianças - da Casa da Criança em Imperatriz, Maranhão – constroem sua individualidade junto ao grupo. Embora nestas instituições o controle excessivo não deixe espaço para a agência infantil, as crianças criam estratégias para garantir sua autonomia, burlando as regras estipuladas. Ora, em que situações as crianças fazem escolhas, se vivem sob constante observação dos cuidadores? De que forma imprimem suas impressões e sua individualidade? Este artigo mergulha no universo das crianças em situação de abrigo e revela seu modo de transformar um contexto de institucionalização em lar, marcando-o com sua agência. Este é um empreendimento etnográfco em construção.Palavras-chave: Infância. Abrigo. Agência. Autonomia. Individualidade.CHILDREN’S AUTONOMY VERSUS INSTITUTIONAL CONTROL: AN ANALYSIS OF CHILDREN’S AGENCY AT A SHELTER HOME IN IMPERATRIZ CITYAbstractThis research analyzes the construction of children’s autonomy in shelter situations. Shelter Homes spaces are organized based on an excess of rules controlling children’s time and space, as well as their actions.Therefore, this research focused on investigating the strategies used by children – from Casa da Criança in Imperatriz, in Maranhão – to build their individuality in the group. In these institutions, even though the excess of control leaves no room for children’s agency, children create strategiesto guarantee their autonomy by circumventing the stipulated rules. Well, in what situations do children make choices if they live under constant observation of caregivers? How do they record their impressionsand their individuality? This article delves into the world of sheltered children and reveals their way of transforming an institutionalizationcontext into a home, marking it with their agency. This is an ethnographicaction under construction.Keywords: Childhood. Shelter. Agency. Autonomy. Individuality.