bluuebunny/crossref_metadata_2025 huggingface dataset:
Effect of parity number, year and season farrowing on reproductive performance in Large White pigs
Authors: Niyazov N. S. A. , Cherepanov G. G. , Ostrenko K. S.
Published: April 2020

This study examines certain identifiable non-genetic sources of variation (parity number, year and season farrowing) for their effects on Large White sow litter performance traits, such as litter size, mortality and weight of piglets at birth and at weaning. The population used for the present study is from a pig farm managed by Tavriys’ki svyni, LLC, located in Skadovsky district (Kherson Oblast, Ukraine). Reproductive performance records on 280 Large White (LW) sows were used. A total of 633 litters were farrowed from January 2007 to July 2017. The litter records included information on the total number of piglets born (TNB), number of piglets born alive (NBA), number of stillborn piglets (NSB), frequency of stillborn piglets (FSB), average weight of piglets at birth (AWPB), litter size at weaning (NW), piglet pre-weaning mortality (PWM) and average weight of piglets at weaning (AWPW). To determine the effect of parity number, year and month farrowing on reproductive performance traits, the analysis of variance (ANOVA) was used. Results obtained showed significant influence of parity number on most of the reproductive parameters studied, apart from AWPB, PWM and AWPW. The total litter size at birth was the lowest in primiparous sows and in cases second-parity sows, but significantly exceeded the overall average population estimation during the fourth-sixth parities farrowing. The least squares estimates of the mortality rate of piglets at birth were significantly lower than in second parity sows, however they significantly increased in sows at eighth parity. The year of the sow's farrowing had the most significant influence on the weight of piglets at birth and at weaning. Moreover, a clear upward trend can be noted in relation to the weight of piglets at birth, which is accompanied by a gradual increase of the corresponding least squares estimates during 2007-2015. Late summer and early autumn (August-October) are the seasons when the litter size traits in the LW sows consistently show the lowest values, indicating a ‘seasonal infertility period’. Thus, all the analysis performed in the present work shows that in the LW sows, as in other pig breeds, the parity number, year and season farrowing influence the reproductive and developmental processes.
Lucía Miranda, Eduarda Mansilla e Rosa Guerra: três mulheres, uma personagem e dois desejos/projetos
Authors: De Andrade Brenda Carlos
Published: April 2020

Lucía Miranda é uma personagem identificada com a formação da região do Rio da Prata, que protagonizará, no séc. XIX, dois romances de carácter histórico escritos por Rosa Guerra e Eduarda Mansilla. As histórias apresentadas pelas duas autoras distam no tratamento do tema e parecem propor maneiras diferentes de ver a história e as possibilidades de construção de signos de identidade nacional. Nesse trabalho, analiso comparativamente as duas obras e as formas como convertem em ficção um evento considerado histórico. Em um primeiro momento, o trabalho apresenta algumas considerações sobre romance histórico e seus usos no século XIX. Em um segundo momento, é apresentada uma breve revisão sobre o mito/história de Lucía Miranda e sobre a vida das autoras Rosa Guerra e Eduarda Mansilla. Em seguida, é apresentada uma análise comparativa dos dois romances para estabelecer os pontos de convergência e divergência entre os dois trabalhos.
As filhas dos homens e os espelhos: o olhar feminino em romances de Raquel de Queiroz e Lygia Fagundes Telles
Authors: Boldorini Marília Garcia , Meira Roberta Barros
Published: April 2020

Rachel de Queiroz e Lygia Fagundes Telles despontaram na literatura brasileira não só por conta do seu talento literário, mas sobretudo por serem mulheres em um cenário predominantemente masculino e por darem voz a personagens femininas fortes em meio a uma educação conservadora. Em suas obras, ambas as autoras de certa forma denunciaram os problemas de uma geração de mulheres limitada por valores sociais arraigados na cultura patriarcal e cristã ao longo do século XX. O paralelo entre os livros As três Marias, de Queiroz (1939), e As meninas, de Telles (1973), aqui presente deixa essa questão muito clara. Por intermédio da comparação entre os dois textos, discutem-se neste artigo pontos como o papel social e a liberdade sexual da mulher nessa sistemática, além da emancipação feminina e da convivência com a pressão das convenções sociais e com as parcas opções de vida a que tinham acesso principalmente na primeira metade do século XX, debatendo paradigmas sob o viés da diversidade social e da perspectiva feminina.
Literatura colombiana afrodescendente: voz afrofeminina no poema “Negra soy” de Mary Grueso Romero
Authors: Júnior Benedito Ubiratan De Sousa Pinheiro , Branco Adrielle Sena , Torres Íris Andrade
Published: April 2020

O espaço da mulher na literatura afrocolombiana sempre foi secundário, uma vez que entre os primeiros autores que figuram esse tipo de escritura não aparecem nomes femininos. Todavia, a escrita afrofeminina ganhou espaço a partir da primeira antologia de escritoras afrocolombianas intitulada ¡Negras Somos!: Antología de 21 Mujeres Poetas Afrocolombianas de la Región Pacífica (2008), construída por Guiomar Escobar e Alfredo Zamorano, dando visibilidade a diversas poetas afrodescendentes. Por isso, esta investigação tem por objetivo apresentar como a voz afrofeminina é representada na literatura afrocolombiana, por meio do poema “Negra soy”, de Mary Grueso Romero, evidenciando a autoria feminina e o protagonismo da mulher na literatura. O estudo permitiu observar que os escritos feitos por essas mantêm viva a história e a identidade étnico-racial deste grupo por intermédio da produção poética. A pesquisa será realizada por meio de uma revisão bibliográfica. Para tanto, foram utilizados os autores Espitia (2012), Palmeira (2012) e Zamorano e Escobar (2008).
Circulação da escrita de mulheres hispano-americanas no Brasil: uma crítica a partir da história da tradução
Authors: Kahmann Andrea Cristiane
Published: April 2020

Apesar da boa recepção da escrita (literária e não literária) de mulheres (décadas de 1930-1940) e também da literatura hispano-americana (especialmente nos e a partir dos anos 1970) no sistema brasileiro, é ainda proporcionalmente pequeno o número de livros de autoria única de mulheres hispano-americanas em tradução publicados e circulantes na história do livro no Brasil. Para demonstrar esse fenômeno e propor algumas possíveis explicações a ele, este artigo busca postulados da crítica decolonial, centrando-se na história colonial do Brasil e nos seus impactos na história das mulheres e, também, da leitura, do livro e da tradução no Brasil. Por fim, e defendendo que as literaturas traduzidas desempenham um importante papel na transformação de repertórios conservadores, esse artigo relaciona algumas traduções recentes de autoras hispano-americanas e aponta alguns “vazios tradutórios”, ou seja, elenca escritoras e obras que, não obstante tenham adquirido fama em seus sistemas literários de origem, não foram postas em circulação pela via da tradução no Brasil.
O(s) lugar(es) de Meus desacontecimentos, de Eliane Brum, na diversificada paleta da autoficção
Authors: Jacques Jeferson De Moraes
Published: April 2020

A escrita sobre si, popularizada a partir do século XVIII, podia ser categorizada por características comuns a todos os textos desse escopo. Porém, devido à criatividade dos autores, com o tempo passou por diversas mudanças, tornando-se tão diversificada a ponto de não caber dentro de uma classificação fixa. Elementos ficcionais fizeram-na aproximar-se mais do romance do que da autobiografia: daí o surgimento do termo “autoficção”, popularizado por Serge Doubrovsky em 1977, e toda a consequente discussão entre os teóricos sobre a dificuldade de caracterizar esse diferente modo de escrita de si. O presente artigo, após uma breve revisão do termo autoficção, visa a analisar o livro Meus desacontecimentos, de Eliane Brum, quanto ao tipo de recepção predominante que deseja para si, se enquanto factual ou fictício; e verificar em qual posição a obra se encontra no espectro dos conceitos para a autoficção publicados nas últimas décadas.
Concepções de criatividade matemática: um estudo de caso no 3.º Ciclo do Ensino Básico Português
Authors: Rodrigues Aldina Conceição , Catarino Paula Maria Machado Cruz , Aires Ana Paula Florêncio , Campos Helena Maria Barros de
Published: April 2020

Resumo Não existe um consenso quanto à definição de criatividade matemática devido aos vários significados, que lhe foram sendo atribuídos. Apesar disso, é imprescindível incentivar o seu desenvolvimento em contexto educativo. Este artigo é parte integrante de um estudo mais abrangente sobre as concepções relativamente ao conceito de criatividade, de alunos do 3.º ciclo do Ensino Básico português e tem como objetivo conhecer as concepções do conceito de criatividade matemática em contexto educativo, de um grupo de alunos deste ciclo de ensino. Recorreu-se a três casos, designados por Caso I (7.º ano de escolaridade), Caso II (8.º ano de escolaridade) e Caso III (9.º ano de escolaridade) referentes aos três anos de escolaridade do 3.º ciclo do Ensino Básico. A metodologia utilizada foi de natureza qualitativa e interpretativa, seguindo um design do estudo de caso. A recolha de dados assentou na aplicação de um inquérito por questionário. O tratamento dos dados apoiou-se na análise de conteúdo das respostas dos participantes a uma questão relativa ao termo “Criatividade matemática” e à formulação de categorias de análise. Os resultados indicaram que os participantes deste estudo possuem concepções diferentes do termo, sendo que os dos Caso I e II relacionaram a criatividade matemática à categoria 1 - Ambiente de aula e o Caso III à categoria 2 - Inovação.Palavras-Chave: Criatividade Matemática; Concepções; Estudo de Caso; 3.º Ciclo Do Ensino Básico Português.
Capoeira na educação física: perspectivas de uma prática de educação integral
Authors: Dos Santos Samila Zambetti , Sá Ivo Ribeiro de
Published: April 2020

Este artigo é resultado de uma pesquisa exploratória, oriunda de dissertação de mestrado, que investigou como a Capoeira pode contribuir para uma prática de Educação Integral no ambiente escolar. Tivemos como objetivo identificar as possibilidades pedagógicas da Capoeira como uma prática integrativa dos aspectos humanos na busca de uma formação integral do sujeito, tomando como pressuposto, a teoria da complexidade como matriz epistemológica.  Para tanto, entrevistamos mestres de Capoeira da região do Grande ABCDM/SP para alcançar aspectos do senso comum presentes no discurso destes e por meio da análise de conteúdo identificamos conceitos que convergem sobre aspectos que promovem o desenvolvimento integral do Ser Humano. Os pontos encontrados foram: aspectos integrativos das dimensões humanas da Capoeira e formação Integral do sujeito, a roda de Capoeira e a materialização das dimensões do sujeito e, por fim, a musicalidade e a historicidade da Capoeira, identificando o caráter histórico-social e cultural da mesma e que nos auxilia na superação de conteúdos eurocêntricos, elitistas e de esportivização na prática da Educação Física na escola. Trouxemos esses elementos para a realidade escolar através da reflexão sobre transposição didática e a formulação de uma formação de professores de Educação Física utilizando como base a técnica da teoria das Situações Didáticas.
Bibliometrics and visualisation of research on trust in construction projects
Authors: Yin Hang , Yin Yi-lin , Wang Dan , Jiang Hui-jie
Published: April 2020

The present study used scientific mapping analysis to describe the overall state of the literature on trust in construction projects (TC) and to gain a deeper understanding of its intellectual structure and research areas of interest. It focuses on 349 articles from 27 journals in the construction-management domain from the past 20 years. The influential journals, scholars and articles in the domain of TC were analysed. A qualitative follow-up discussion targets two main objectives: intellectual structure and research fronts. The TC intellectual structure involves topics such as relationships, project performance, contracts and behaviour, approached by way of multiple disciplinary fields, including ‘transaction, management and accounting’, which are supported primarily by organisational theory, organisational trust theory, trust theory and incomplete contract theory. Multi-case analysis and structural equation models are used widely as research tools. New key TC research areas include varying relationship characteristics, trust evolution, interpersonal trust and new problems in project governance.
Rendimiento académico: universo muy complejo para el quehacer pedagógico
Authors: Tacilla  Cardenas Ingrid , Vásquez Villanueva Salomón , Verde Avalos Emilyn Elizabeth , Colque Díaz Eloy
Published: April 2020

Este trabajo tiene el objetivo de analizar los factores que inciden sobre el rendimiento académico de los estudiantes. En la actualidad, los estudios recientes muestran la problemática relacionada con este objeto de estudio; entre otros problemas, se destaca la metodología tradicional, los factores sociofamiliares, la falta de motivación y la automotivación. Por ello, este estudio enfatiza la definición del rendimiento académico: un conjunto de notas; el avance académico responde a diferentes factores de carácter biológico, psicológico, económico y sociológico. Por lo tanto, el rendimiento académico es un constructo básico, complejo y multidimensional en el proceso de enseñanza-aprendizaje, porque identifica el avance académico del estudiante y emite un juicio de valor. En conclusión, las evaluaciones, la metodología, los factores y el rol del docente están asociados directamente con el avance académico del estudiante.
Tree Mapping for Leaf Collection (Megantic Only) v1
Authors: St-Jean Sabine , L Crofts Anna
Published: April 2020

Here, we describe the standardized protocol used by the Canadian Airborne Biodiversity Observatory (CABO) in preparation of the collection of trees during the leaf spectra effort at Parc national du Mont-Mégantic. It represents what the leaf spectra crew asked the veg crew to do prior to their arrival at the Megantic site, in order to save time, as the veg crew has easier access to this site and is familiar with it.
Human Neurosurgical Tissue Processing v5
Authors: Institute for Brain Science Allen
Published: April 2020

This protocol describes the procedure for receiving human surgical tissue, followed by trimming, mounting, embedding, and slicing under sterile conditions in order to produce tissue suitable for both slice culture as well as acute slice electrophysiology recording. Note: Research reported in this publication was supported by the National Institute Of Mental Health of the National Institutes of Health under Award Number U01MH114812. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health.
Mouse Cardiac Perfusion Fixation and Brain Collection v3
Authors: Institute for Brain Science Allen
Published: April 2020

This protocol describes the procedures for intracardiac perfusion fixation of postnatal mice, including anesthesia, exsanguination, fixation, brain removal and post-fixation storage. Note: Research reported in this publication was supported by the National Institute Of Mental Health of the National Institutes of Health under Award Number U19MH114830. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health.
A Reappraisal of the Lurøy, Norway, Earthquake of 31 August 1819
Authors: Mäntyniemi Päivi B. , Sørensen Mathilde B. , Tatevossian Tatiana N. , Tatevossian Ruben E. , Lund Björn
Published: April 2020

Archives and libraries were visited to find previously unknown documents testifying to the Lurøy, Norway, earthquake of 31 August 1819 in northernmost continental Europe. The focus here is on Sweden, Finland, and Russia, which are important for determining the area of perceptibility east of Norway. The new written sources include 12 notes or entries in original archived documents, six contemporary newspaper reports, and two recollections written down years later. The original documentation uncovered is contributory to establishing the authenticity of the observations in Finland and Sweden. The dates of the original documentation allow tracing of the dissemination of eyewitness accounts in writing from the inner area of perceptibility southward to the larger documentation and population centers. New sources of information include weather reports of the Royal Swedish Academy of Sciences, minutes of its meetings, and correspondence sent to the Senate in Finland. The minutes of meetings of the Academy indicate that ample data were collected in the Swedish province of Västerbotten. We found no original Russian documentation but uncovered national newspapers that are more reliable than the previously used Parisian newspaper.

To increase transparency, we provide the first list of macroseismic data points (MDPs) including the respective documentation that testify to the Lurøy earthquake. A macroseismic intensity was assigned to a locality, using the European Macroseismic Scale of 1998, when adequate information was available. Accounting for the uncertainty of intensity assessment, the magnitude was estimated as moment magnitude M=5.9±0.2, reconfirming the ranking as the largest onshore or nearshore earthquake in the historical seismicity record of Fennoscandia. In addition to the reappraisal of the 31 August 1819 earthquake, a macroseismic map is provided for the earthquake of 17 February 1819, which was felt in northern Finland and Sweden. Some of its MDPs were previously associated with the Lurøy earthquake.
A improvável poesia concreto-visual acontece: relato afetivo e reflexões desautorizadas / The Unlikely Concrete-Visual Poetry Happens: Affective Account and Unauthorized Reflections
Authors: Almeida Neto Antonio Simplício de
Published: April 2020

Resumo: Esse artigo apresenta um relato autobiográfico no qual o autor procura recuperar seus primeiros contatos com a poesia visual-concreta-experimental ao longo dos anos 1980 em função de deslocamentos provocados por diferentes sujeitos presentes nas relações estabelecidas no meio universitário do curso de graduação em História. Escapando de uma perspectiva histórica teleológica e de supostos encadeamentos lógicos e objetivos de causa e efeito, entende sua trajetória lítero-poética como decorrente de improváveis intercorrências no campo social em que se inseria. Ressalta, por isso mesmo, a importância dos processos educativos básicos e acadêmicos na promoção dos deslocamentos criativos e poiéticos. Traz, finalmente, um poema-visual de sua autoria em que relaciona história, memória e o fazer poético.Palavras-chave: poesia visual; poesia experimental; concretismo; autobiografia; memória.Abstract:This article presents an autobiographical account in which the author seeks to recover his first contacts with visual-concrete-experimental poetry throughout the 1980s due to displacements caused by different subjects present in the relationships established in the undergraduate course in History. Avoiding a teleological historical perspective and supposed logical links and objectives of cause and effect, he understands his literary-poetic trajectory as a result of unlikely complications in the social field to which he belonged. It therefore emphasizes the importance of basic and academic educational processes in the promotion of creative and poietic dislocations. Finally, he brings a visual poem of his own in which he relates history, memory and poetic making.Keywords: visual poetry; experimental poetry; concretism; autobiography; memory.
Systemic thrombolysis with tenecteplase in stent thrombosis patients as a life saving measure in odd situations: an observational study from tertiary care hospital
Authors: Sharma Awadhesh Kumar , Prakash Neeraj , Razi M. M. , Sarraf Sameer , Sinha Santosh , Pandey Umeshwar , Thakur Ramesh
Published: April 2020

Background: Coronary artery stent thrombosis specifically acute stent thrombosis is always a nightmare for interventionist. Stent thrombosis is one of a severe and catastrophic complication of percutaneous coronary intervention (PCI). Repeat PCI is commonly considered the preferred strategy to manage patients with stent thrombosis. Thrombolytic therapy is considered only partially effective.Methods: This was a single centre largest ever observational study on this topic comprising of total 110 patients with history of previous stent implantation and now presented with an acute ST segment elevation myocardial infarction due to a probable stent thrombosis successfully treated with systemic thrombolysis with tenecteplase were studied over the period of 2 years (April 2017 to March 2019).Results: On analyzing data clinical success was reported in 92 (83.6%) patients, electrocardiographic success is seen in 102 (92.7%) patients while angiographic success was reported in 80(72.7%) patients. Cerebrovascular accident were reported in 2 (1.8%) patients which died later on.Conclusions: This study which is the first ever largest observational study on this topic demonstrates that, in patients with probable stent thrombosis and a short time to reperfusion in some specific extraordinary situations where timely percutaneous coronary intervention is not possible, systemic thrombolysis by fibrin specific Tenecteplase can be done as a life saving procedure which is associated with good immediate results.
Etiology, clinical findings and laboratory parameters in neonates with acute bacterial meningitis
Authors: Boskabadi Hassan , Heidari Elahe , Zakerihamidi Maryam
Published: April 2020

Background and Objectives: Neonatal meningitis is one of the most important and serious neonatal infections with a high mortality and morbidity rate. The present study aimed to investigate the causes, clinical signs, laboratory parameters and mortality rates in newborns with bacterial meningitis.
Materials and Methods: This cross-sectional study was performed on 468 neonates aged 2-28 days admitted to NICU in Ghaem Hospital Mashhad, Iran by available sampling method during 2009-2018. Meningitis was confirmed according to positive results of CSF culture and clinical feature. By using researcher-made questionnaire, neonate's individual data in- cluding cardiopulmonary resuscitation, the Apgar score of the first and fifth minutes, gestational age, birth weight, clinical symptoms and laboratory data such as ESR, WBC and positive culture of CSF were studied.
Results: Among 468 newborn suspected to infection, lumbar Puncture (LP) was performed for 233 cases (50%). Of 233 neonates, 148 neonates (63.5%) had negative results for CSF culture and 85 cases (36.5%) had positive CSF culture. 94% of cases with meningitis were born premature. Blood culture had positive results in 80% of infants with late-onset meningitis and negative in 20%. The most common clinical findings were respiratory symptoms (94%). Klebsiella pneumoniae and Entrobacter aerugenes were the most common microorganisms of meningitis. Gestational disorders were observed in 55.3% of newborns with meningitis. C-Reactive Protein (CRP) of neonates with meningitis was twice higher than normal cases, and leukocytes and proteins in the CSF in neonates with meningitis were higher than healthy ones. Finally, 36% of neonates with meningitis died in our study. For analyzing the relationships between variables, independent t-test was used after controlling the normality, and Chi-square was used for analyzing the relationship of variables with nominal scale.
Conclusion: The most common pathogens of meningitis were Klebsiella pneumoniae and Enterobacter aerogenes. Respi- ratory symptoms were the most common clinical signs, and laboratory symptoms included increased CRP, increased leuko- cytes and proteins in CSF
Toxic Effects of Chronic Exposure to High-Fat Diet and Arsenic on the Reproductive System of the Male Mouse
Authors: Ahangarpour Akram , Oroojan Ali Akbar , Alboghobeish Soheila , Khorsandi Layasadat , Moradi Mitra
Published: April 2020

Objective: Obesity is associated with reproductive disorders. Arsenic disrupts male reproduction by direct effects on the male gonads or androgens secretion. So, the present study was conducted to evaluate the toxic effects of chronic concomitant administration of high-fat diet (HF) and arsenic on the reproductive system of the male mouse.
Materials and methods: In this experimental study, 72 adult male mice were randomly divided into 6 groups: low-fat diet (LF0), LF+arsenic 25 ppm, LF+arsenic 50ppm, HF0, HF+arsenic 25 ppm and, HF+arsenic 50 ppm. 24 hours after the last experimental day, plasma samples, the cauda of epididymis and testis were prepared and removed for hormonal, sperm count and histopathological assessments.
Results: Testis weight and volume increased in HF0 than other groups except for LF0. Plasma LH and testosterone levels decreased in LF50, HF0, HF25, and HF50 compared to LF0. A similar effect was observed in plasma FSH levels of HF0, HF25 and HF50 groups compared with LF0. Plasma level of estradiol increased in LF50 versus to other groups. Testosterone to estradiol ratio and sperm count decreased in all groups compared to LF0. Reduced interstitial cells and large numbers of vacuoles were observed in germinal epithelium of HF0 group, that these changes were more intense in both concentrations of arsenic-treated mice.
Conclusion: Present study indicated that chronic exposure to HF and arsenic-induced hypogonadotropic hypogonadism concomitant with sperm count reduction and testicular damage.
Factors Affecting on Couple’s Decisions to Use Surrogacy: A Qualitative Study
Authors: Golboni Farzaneh , Jalali Amir , Dinmohammadi Mohammadreza , Taghizadeh Ziba , Nouri Paricher , Salahsoor Mohammad Reza
Published: April 2020

Objective: Our study aimed to clarify of factors affecting decisions to use a surrogate mother can create broad knowledge of this concept.
Materials and methods: For This qualitative research, participants were selected through snowball sampling methods out of couples with a history of using surrogacy as an alternative treatment for having a child. As well, sampling continued until data saturation was reached. Finally, 23 persons participated in study (9 couples, 5 related persons). After selecting the participants and obtaining informed consent, in-depth and semi-structured interviews were conducted and most of them were recorded with participants’ consent. Then, all the interviews were analyzed using a conventional method.
Results: Content analysis of the statements condenced to 311 codes, 13 subcategories and 5 categories including the absence of parental role, perceived norm, hope for parenting role, mental challenge, and decision to use surrogacy were extracted.
Conclusion: The results indicated that numerous variables had an effect on decision-making process to use a surrogate mother, but the variable of hope for parenting role was an influential concept that not only interacted with other concepts but also caused optimism and motivation in families to decide in this respect.
Diagnostic Value of Rapid Biophysical Profile in Comparison to Biophysical Profile in Pregnant Women with Insulin-dependent Diabetes
Authors: Soufizadeh Nasrin , Farhadifar Fariba , Tamri Saghar , Behafarid Sara , Sharifi Karim , Aslani Sima , Naqshbandi Mobin
Published: April 2020

Objective: Having a rapid and low cost diagnostic approach in assessment of fetal wellbeing is an important goal for prenatal care process. The aim of this study was to determine the diagnostic value of rapid biophysical profile (rBPP) in comparison to biophysical profile (BPP).
Materials and methods: In this study 142 pregnant women with insulin-dependent diabetes referred to Besat Hospital (Sanandaj, Iran) were evaluated in terms of fetal health. Age, gestational age and non-stress test (NST) data of patients were collected. The fetuses were evaluated using the standard BPP and selected rBPP methods. Sensitivity, specificity, positive predictive values (PPV) and negative predictive values (NPV) were calculated. The receiver operating characteristic (ROC) curve was plotted. The data were analyzed in Stata 14 software, using appropriate statistical analyses.
Results: The mean ± standard deviation (SD) of maternal age and gestational age of the studied subjects were 30.6 ± 6.3 and 35.6 ± 1.5 weeks, respectively. The frequency of normal cases were 126 (88.7%) in the BPP method and 121 (85.2%) in the rBPP method. The results showed that sensitivity, specificity, PPV and NPV of rBPP in this study were 56.2%, 90.5%, 42.8% and 94.2%, respectively. The area under the ROC curve was 73.3%. Pearson Test showed a significant correlation between scores obtained through BPP and rBPP methods (p < 0.001).
Conclusion: Considering the high profile of the sensitivity and PPV of the RBPP method compared to BPP, rBPP method has a better capacity to discriminate non-distressed fetuses from distress-exposed fetuses. It can also be used as a quick and easy method in crowded centers with limited evaluation tests, where not much skill is needed.
Prospects of Upgrade of the Main Drives of CNC Machine Tools Using Mechatronic Modules
Authors: Goman V.V.
Published: April 2020

This article observes the principles of construction and operation of the belt drives with detached electric motor and the drives with motor spindle. It also describes the characteristics of the elements used in spindles. In choosing a spindle, one proceeds from the primary and secondary requirements for the machine tool: rotation speed, power output, hardness, workspace dimensions, design complexity, application area, option of repair and replacement, and cost. The article considers the advantages and disadvantages of the spindles with additional mechanic gears and the motor spindles. As an example, we compare variants of upgrade of the «16M30F3» machine tool’s main drive. As a result, the following conclusions were made: motor spindle has more advantages than standard drive, but it is way more expensive and its repair is more difficult. Hence, this spindle type is only applicable to machine tools with high standards of quality and performance. Belt-driven spindle is special for easy repair and a wide range of technical specifications: one can choose multiple motor variants for one drive; again, it is much cheaper than motor spindle. However, final decision on spindle should concern the main requirements for the machine tool, workplace dimensions, application of the machine tool and, possibly, financial restrictions.
Keywords: CNC machine tool, motor spindle, mechatronics, machine building, electric drive, electric motor, motion control, built-in motor.
The Relation of Contemporary Labour Market Skills and the Future Engineers’ Visions
Authors: . Szabó Cs. M , Bartal O.
Published: April 2020

The study describes a segment of an international research which was aimed to find answers what the future generations‘ (Gen Z) vision is concerning their career and the correlation between these visions and the expectations of labour market nowadays. The preferred competencies of the labour market are constantly altering: a prognosis from 2018 says that the five most important skills will be analytical thinking, innovation, active learning, creativity, and critical thinking in 2022.
Keywords: career, competences, engineering education, future priorities, generation Z, labour market, STEM, top skills
Analysis of Digital Twin Definition and Its Difference from Simulation Modelling in Practical Application
Authors: Krasikov I.I. , Kulemin A. N.
Published: April 2020

The digital twin is widely known as a tool for digitalization of a product, but there is no common definition concerning this term. This article discusses the definition and utilization of digital twin. Areas of use, it’s implementation in the product lifecycle and most importantly it’s benefits. The lack of a standardized concept of a digital  twin leads to a misunderstanding between mathematical models and digital twin. Several definitions of digital twin were analyzed and compared with the definition of mathematical model and simulation modelling. The basic concept of areas of use for digital twin is introduced. The differences and similarities between the two definitions were found. The article aims first of all to help the management of digital twins in practical application.
Keywords: Digital twin, Mathematical modelling, Mathematical model, Lifecycle of a product, Simulation modelling, Practical use of digital twin, Difference between the digital twin and mathematical model, Simulation.
Identification of Problem Criteria within the Framework of Product Manufacturing Optimization
Authors: Zubareva A.O. , Zhilin A.S.
Published: April 2020

The article represents the initial stage of the thesis on a topic of increasing a processing accuracy and reducing operating costs for multi-part manufacturing. Numerical control machines are the objects of investigation. This work is aimed to determine the criteria for the problem of couplings production in multistage production at the enterprise. The analysis of the coupling production system is carried out by the “black box” modeling method. Input and output data of production are also described. A list of criteria for formation of possibilities of products‘ manufacture optimization is received.
Keywords: system engineering, life cycle, CNC machine, manufacturing optimization, production, problem criteria, system approach, black box model
Tuz Stresi Altındaki Biberde (Capsicum annuum L.) Mikoriza ve Rizobakteri Uygulamasının Bitki Gelişimi ve Bazı Fizyolojik Parametreler Üzerine Etkisi
Authors: ALTUNLU Hakan
Published: April 2020

Amaç: Farklı tuzlu koşullar (1.5, 3, 6 dSm-1) altında mikoriza (Glomus intraradices) ve rizobakteri (Bacillus subtilis) uygulamasının biber (Capsicum annuum L. cv Seki F1 ) bitki gelişimi, yaprak oransal su içeriği (YOS), membran geçirgenliği (MG), prolin ve klorofil içeriği üzerine etkisini belirlemek amacıyla yürütülmüştür.Materyal ve Metot: Biber fideleri perlit:torf karışımı (1:1, v:v) ile doldurulmuş 22.7 litre hacimli uzun saksılara (60x18x21 cm) her bir saksıda 3 adet olacak şekilde dikilmiştir. Çalışmada, mikroorganizma uygulaması fide dikimi ile yapılmış, dikimden 15 gün sonra da tuz uygulamasına başlanmıştır. Tuz uygulamasından 40 gün sonra yaprak oransal su içeriği, membrane geçirgenliği, prolin ve klorofil içeriği gibi fizyolojik parametreler incelenmiştir. Dikimden 160 gün sonra çalışma sonlandırılmıştır. Çalışmanın sonunda, bitki boyu, gövde çapı, gövde ile kök yaş ve kuru ağırlıkları gibi bitki büyüme parametreleri belirlenmiştir.Bulgular: Sonuçlara göre artan tuzluluk bitki gelişimini olumsuz etkilemiştir. Tuz uygulaması, prolin içeriği ve bitkinin MG’nde bir artışa neden olmuş, klorofil içeriği ve YOS değerini ise azaltmıştır. Tüm tuz stresi seviyelerinde, mikoriza, rizobakteri ve mikoriza artı rizobakteri uygulamaları, biber bitki gelişimini ve fizyolojik parametrelerini olumlu etkilemiştir. G. intraradices ve B. subtilis’in birlikte uygulanması tuz stresinde incelenen parametrelerin tamamında en yüksek etkiyi göstermiştir. Bu bitkileri sadece mikoriza uygulanan ve sadece Bacillus subtilis aşılı bitkiler izlemiştir.Sonuç: Çalışma sonuçları açıklıkla göstermiştir ki, tuzlu koşullar altında biber yetiştiriciliğinde G. intraradices ve B. subtilis’in beraber uygulanması tuz zararının olumsuz etkilerini azaltmada iyi bir alternatif olabilir.
Mikroalg Uygulamalarının Salata (Lactuca sativa L. var. crispa) ve Marul Çeşitlerinin (Lactuca sativa L. var. longifolia) Verim ve Kalite Özelliklerine Etkisi
Authors: ACUN Mert , BOZOKALFA Mehmet Kadri
Published: April 2020

Amaç: Ülkemizde ve dünya’da yaprağı tüketilen sebzeler arasında önemli bir yere sahip olan salata ve marul, ılıman iklimlerde tüm yıl boyunda yetiştirilen, sahip olduğu düşük kalori ve zengin besin elementi nedeniyle tüketim ve üretimi her geçen gün artmaktadır. Bitki yetiştiriciliğinde farklı kaynaklardan elde edilen materyaller bitki gelişim düzenleyicisi olarak kullanılırken, son yıllarda makro ve mikro algler (deniz yosunları) doğrudan veya bunlardan elde edilen ekstraktların gübre olarak kullanımı yaygınlaşmıştır.Materyal ve Metot: Bu çalışmada, mavi alg türü olan Spirulina plantensis’in farklı uygulama dozlarının salata ve marul çeşitlerinin verim ve kalite özellikleri üzerine etkisi incelenmiştir. Araştırmada bitkisel materyal olarak iki yedikule ve iki salata çeşidi kullanılmış, kurutularak toz hale getirilmiş S. platensis, vejetasyon döneminde iki defa pülvenizatör yardımıyla 0.5 mg/L, 1 mg/L 1.5 mg/L, 2 mg/L dozlarında yapraktan uygulanmıştır.Bulgular: Mikroalg uygulamalarının salata ve marul çeşitlerinin bitki ağırlığı, bitki çapı, bitki uzunluğu, pazarlanabilir yaprak sayısı, atılan yaprak sayısı, madde miktarı ve verim değerleri üzerine etkisi istatistiki düzeyde önemli bulunmuştur.Sonuç: Çeşitlerin uygulama dozuna verdiği reaksiyonlar incelenen kalite komponentlerine göre farklılık gösterirken, özellikle 1.5 mg/L dozunda S. platensis uygulamasının başta en yüksek verim olmak üzere incelenen birçok özellik üzerine en etkili doz olduğu belirlenmiştir.
Relación entre satisfacción familiar y rendimiento académico en estudiantes de psicología de la Universidad Pontificia Bolivariana Bucaramanga
Authors: Villamizar Acevedo Gustavo , Galvis Mateus Jenny Paola , Jiménez Plata Marcela
Published: April 2020

Esta investigación buscó establecer la relación entre satisfacción familiar y rendimiento académico en 95 estudiantes de II, III y IV semestre de psicología de la Universidad Pontificia Bolivariana de Bucaramanga. Para su desarrollo se utilizó un método de corte cuantitativo, no experimental, de diseño correlacional. La satisfacción familiar se identificó por medio de la Escala de Satisfacción Familiar por Adjetivos (ESFA), el promedio académico por la suma de las notas de las asignaturas vistas sobre el número de materias. Los resultados obtenidos en las pruebas mostraron satisfacción familiar y promedio académico regular. Una vez obtenido los resultados en la ESFA e identificado el promedio académico se aplicó la r de Pearson para encontrar el coeficiente de correlación, para ello se utilizó el SPSS. Los resultados mostraron la inexistencia de correlación entre esas dos variables, tanto en la totalidad de los participantes como por nivel de formación
Envejecimiento e imaginario social en la ciudad de Trujillo
Authors: Casanova Hidalgo Doris , Gonzáles Sánchez María , Jara Vera Rossemary , Márquez Vásquez Elsa , Miranda Troncoso Adriana , Gutiérrez Vásquez Ramiro
Published: April 2020

Esta investigación tuvo el propósito de identificar y describir los imaginarios sociales sobre el envejecimiento que presentó un grupo de personas adultas mayores de ambos sexos de la ciudad de Trujillo. La metodología empleada fue de enfoque cualitativo en la que se aplicó, mediante una entrevista, un cuestionario de frases incompletas de forma aleatoria. Se trabajó con una muestra de 50 adultos mayores cuyas edades oscilaron entre 55 y 87 años de edad; 22 fueron varones y 28 fueron mujeres. Se concluyó que los varones resaltan sus experiencias que han acumulado, buenas y malas; se consideran personas sabias con derecho a opinar o a juzgar; así mismo, a aportar a las nuevas generaciones. Las mujeres se inclinan más por el lado emocional, tranquilas, en su mayoría viven sin preocupaciones. En ambos sexos se reconoce la pérdida de facultades físicas y mentales, la aparición de diferentes enfermedades, dolencias, falta de productividad. En los varones, en un mínimo porcentaje, existe preocupación por el aspecto sexual. También resaltan que lo más lindo de envejecer es contar con una familia, compartir con amigos, recordar experiencias positivas y tener la satisfacción de haber cumplido todas sus metas.
Identification of Compounds from Nigella Sativa as New Potential Inhibitors of 2019 Novel Coronasvirus (Covid-19): Molecular Docking Study
Authors: Bouchentouf Salim , Missoum Noureddine
Published: April 2020

The spread of the global COVID-19 pandemic, the lack of specific treatment and the urgent situation requires use of all resources to remedy this scourge. In the present study, using molecular docking, we identify new probable inhibitors of COVID-19 by molecules from Nigella sativa L, which is highly reputed healing herb in North African societies and both Islamic and Christian traditions. The discovery of the Mpro protease structure in COVID-19 provides a great opportunity to identify potential drug candidates for treatment. Focusing on the main proteases in CoVs (3CLpro/Mpro) (PDB ID 6LU7 and 2GTB); docking of compounds from Nigella Sativa and drugs under clinical test was performed using Molecular Operating Environment software (MOE). Nigelledine docked into 6LU7 active site gives energy complex about -6.29734373 Kcal/mol which is close to the energy score given by chloroquine (-6.2930522 Kcal/mol) and better than energy score given by hydroxychloroquine (-5.57386112 Kcal/mol) and favipiravir (-4.23310471 kcal/mol). Docking into 2GTB active site showed that α- Hederin gives energy score about-6.50204802 kcal/mol whcih is better energy score given by chloroquine (-6.20844936 kcal/mol), hydroxychloroquine (-5.51465893 kcal/mol)) and favipiravir (-4.12183571kcal/mol). Nigellidine and α- Hederin appeared to have the best potential to act as COVID-19 treatment. Further, researches are necessary to testify medicinal use of identified and to encourage preventive use of Nigella Sativa against coronavirus infection.
In Vitro Evaluation of the Effects of Prebiotics GOS and FOS on Human Colonic Caco–2 Cells
Authors: Lafontaine Geraldine , Fish Neville , Connerton Ian
Published: April 2020

Prebiotic oligosaccharides are widely used as human and animal feed additives for their beneficial effects on the gut microbiota. However, there are limited data to assess the direct effect of such functional foods on the transcriptome of intestinal epithelial cells. The purpose of this study is to describe the differential transcriptomes and cellular pathways of colonic cells directly exposed to galacto-oligosaccharides (GOS) and fructo-oligosaccharides (FOS). We have examined the differential gene expression of polarized Caco-2 cells treated with GOS or FOS and their respective mock-treated cells using mRNA sequencing (RNA-seq). A total of 89 significant differentially expressed genes were identified between GOS and mock-treated groups. For FOS treatment, a reduced number of 12 significant genes were observed to be differentially expressed relative to the control group. KEGG and Gene Ontology functional analysis revealed that genes up-regulated in the presence of GOS were involved in digestion and absorption processes, fatty acids and steroids metabolism, potential antimicrobial proteins, energy-dependent and -independent transmembrane trafficking of solutes and amino acids. Using our data, we have established complementary non-prebiotic modes of action for these frequently used dietary fibers.
Protective Effects of GIC and S-PRG Filler Restoratives on Demineralization of Bovine Enamel in Lactic Acid Solution
Authors: Kaga Naoyuki , Nagano-Takebe Futami , Nezu Takashi , Matsuura Takashi , Endo Kazuhiko , Kaga Masayuki
Published: April 2020

We investigated the protective effects of glass ionomer cement (GIC) and surface pre-reacted glass ionomer (S-PRG) fillers used as dental restorative materials on the demineralization of bovine enamel during the incubation in a lactic acid solution with pH = 4.0 conducted for 6 d at a temperature of 37 °C. Scanning electron microscopy images of the specimen surfaces from the group containing only enamel blocks revealed the presence of apparent enamel prism peripheries after 6 d of treatment. The mineral was etched from the enamel surface, and a large number of Ca ions were detected in solution. In contrast, the enamel blocks incubated together with discs of GIC or S-PRG fillers did not exhibit demineralized surfaces, owing to the neutralization of the acid solution by the fillers within the first 3 h of the incubation process. The observed pH neutralization effect was attributed to the release of different ions from the fillers and could be utilized for suppressing the progression of caries.
Prevalence of cardiovascular disease risk factors and long-term outcomes in the Saudi population: Results from the Prospective Urban Rural Epidemiology study (PURE-Saudi)
Authors: Alhabib Khalid , Batais Mohammed A , Almigbal Turky H , Alshamiri Mostafa Q , Altaradi Hani , Rangarajan Sumathy , Yusuf Salim
Published: April 2020

Objective We report the prevalence of unhealthy lifestyle behaviors, cardiovascular disease (CVD) risk factors, and long-term outcomes within the Saudi population, stratified by age, sex, and place of residence. Methods The Prospective Urban Rural Epidemiology (PURE) study is a global cohort study including adults of 35–70 years old in 20 countries. PURE-Saudi study participants were recruited from 19 urban and 6 rural communities randomly selected from the Central province (Riyadh and Alkharj) between February 2012 and January 2015. Clinical follow-up of major CVD events and mortality is ongoing. Results The PURE-Saudi study enrolled 2047 participants (mean age, 46.5 ± 9.12 years; 43.1% women; 24.5% rural ). Overall, 69.4% had low physical activity, 49.6% obesity, 34.4% unhealthy diet, 32.1% dyslipidemia, 30.3% hypertension, 25.1% diabetes, 12.2% were current smokers, 15.4% self-reported feeling sad, 16.9% had history of stress (several periods), 6.8% had permanent stress, 0.98% had history of stroke, 0.64% had heart failure, and 2.5% had coronary heart disease (CHD). Compared to women, men were more likely to be current smokers (21% vs. 0.45%, p<0.001), have diabetes (28.2% vs. 21.3%, p<0.001), and have history of CHD (3.2% vs. 1.6%, p=0.02); while women were more likely to be obese (58.6% vs. 42.8%, p<0.001), have central obesity (70.7% vs. 32.7%, p<0.001), self-report sadness (22.7%, vs. 9.9% p<0.001), experience stress (several periods), feel permanent stress (9.9% vs. 4.5%, p<0.001), and have low education (46.6% vs. 20.2%, p<0.001). Compared to participants in urban areas, those in rural areas had higher rates of diabetes (31.1% vs. 23.3%, p<0.001), obesity (56.6% vs. 47.3%, p<0.001), and hypertension (35.5% vs. 28.6%, p=0.004); and lower rates of unhealthy diet, self-reported sadness, stress (several periods), and permanent stress. Compared to middle- and old-age individuals, younger participants more commonly reported unhealthy diet, permanent stress, and self-reporting of being sad. Conclusion PURE-Saudi, the first population cohort study in Saudi Arabia, revealed a high prevalence of CVD risk factors in the adult Saudi population, with higher rates in rural than urban areas. National public awareness programs and multi-faceted healthcare policy changes are urgently needed to reduce the burden of CVD risk and mortality.