bluuebunny/crossref_metadata_2025 huggingface dataset:
Job disengagement among physical education teachers: insights from a cross-sectional web survey with path modeling analysis (Preprint)
Authors: Chalghaf Nasr , Chen Wen , Guelmami Noomen , Ben Said Noureddine , Ben Khalifa Maher , Azaiez Fairouz , Bragazzi Nicola Luigi
Published: March 2021

BACKGROUND

Physical education teachers often experience stress and job disengagement.

OBJECTIVE

This study aims to develop a measurement scale of job disengagement among physical education teachers and to present an explanatory model by presenting the mediating role of perceived stress as a major factor in disengagement and job satisfaction, also the relationship between family and work as an indirect effect for this phenomenon.

METHODS

A total of 268 primary and secondary school physical education teachers, made up of 165 men (54.46%) and 138 women (45.54%) participated voluntarily in our study. The measuring instruments are the work disengagement scale, the Perceived stress scale, the Work-family conflict scale (WFC), the family-work conflict scale (FWC), and the scale of dissatisfaction at work.

RESULTS

the Arabic language versions of the WFC and the FWC had reasonably adequate psychometric properties which were justified by confirmatory analyzes and by the measurement of reliability, convergent and discriminant validity through the measurement model in SmartPls. Likewise, the structural model established with the SmartPLS software confirmed strong links of the concepts FWC, WFCS, the questionnaire of job satisfaction, the perceived stress with the disengagement of work among teachers of physical education.

CONCLUSIONS

There is a growing interest in helping teachers cope with the daily pressures of work and family. A positive organizational context is a context with clear values regarding work priorities that constitutes the basis of a feeling of shared responsibility and professional support.Good conditions can act as protective factors reducing work stress and positively influencing personal well-being, work attitudes, work commitment, and professional efficiency. Additional teacher research is needed to examine the relationship between perceived work stress and the role of families, also the extent to which this association can have a significant impact on teachers' commitment to work.
Characteristics of Coastal Farmers in Kulon Progo Regency
Authors: Maulida Yuhan Farah , Subejo Subejo
Published: March 2021

The study explored the characteristics of coastal farmers in Kulon Progo Regency. It emphasized the issues of the socio-economical arrangements of farmers in marginal and resource-poor area and the access of farmers to productive capital. The research will contribute to development practitioners and policymakers in prescribing the context-specific policies and programs. In doing so, the research aimed at exploring the characteristics of coastal farmers in aspects like age, educational level, farming experiences and monthly income, as well as uncover their access to productive capital. The data came from a survey carried out using a questionnaire-based field interview, which adopted and used a simple random sampling method to select 60 respondents. The result of this research showed that the average age of coastal farmers is 43.2 years. In majority, farmers went to school for 10-12 years or were graduated from high school. Besides, 86.53% of the farmers had more than 10-year experience, which indicated that farming in coastal areas was profitable. The average monthly income of coastal farmers was 6 million rupiahs during peak season. Chili, the most profitable crop, contributed as the primary source of income, mostly when the selling price was high. Access to land, livestock, transportation (motorbike), extension services, internet and informal institution were considered high and very high, while access to four-wheeled transportation, credit and formal institution (farmers’ group) were medium and low.
De Novo Malignancies after Kidney Transplantation
Authors: Al-Adra David , Al-Qaoud Talal , Fowler Kevin , Wong Germaine
Published: March 2021

Cancer is an important outcome after kidney transplantation because it is the second leading cause of death in most Western countries. The excess risk of cancer after transplantation is approximately two to three times higher than the age- and sex-matched general population, driven largely by viral- and immune-related cancers. Once cancer develops, outcomes are generally poor, particularly for those with melanoma, renal cell carcinoma, and post-transplant lymphoproliferative disease. More importantly, effective screening and treatment strategies are limited in this high-risk population. In this review, we begin with a patient’s journey that maps the experience of living with a kidney transplant and understand the patient’s knowledge, education, and experience of cancer in the context of transplantation. The epidemiology and burden of cancer in recipients of kidney transplants, along with the up-to-date screening and treatment strategies, are discussed. We also focus on the current understanding of optimal care for recipients of kidney transplants who are living with cancer from the patients’ perspectives.
The Importance of Understanding False Discoveries and the Accuracy Paradox When Evaluating Quantitative Studies
Authors: Davis Kirk , Maiden Rodney
Published: March 2021

Although the limitations of null hypothesis significance testing (NHST) are well documented in the psychology literature, the accuracy paradox, which concisely states an important limitation of published research, is never mentioned. The accuracy paradox appears when a test with higher accuracy does a poorer job of correctly classifying a particular outcome than a test with lower accuracy, which suggests that a reliance on accuracy as a metric for a test’s usefulness is not always the best metric. Since accuracy is a function of type I and II error rates, it can be misleading to interpret a study’s results as accurate simply because these errors are minimized. Once a decision has been made regarding statistical significance, type I and II error rates are not directly informative to the reader. Instead, false discovery and false omission rates are more informative when evaluating the results of a study. Given the prevalence of publication bias and small effect sizes in the literature, the possibility of a false discovery is especially important to consider. When false discovery rates are estimated, it is easy to understand why many studies in psychology cannot be replicated.
STRATEGIJA NACIONALNE BEZBEDNOSTI I VELIKA STRATEGIJA SRBIJE
Authors: Dragisic Zoran
Published: March 2021

Pitanje velikih strategija postalo je ponovo aktuelno u prethodnoj deceniji. Svet je tokom devedesetih godina prošloga veka verovao da je došlo do „kraja istorije“. Verovalo se da velike strategije, kao dugoročne teorije i stavovi o tome kako jedna država projektuje svoje nacionalne interese i vrednosti u bližoj i daljoj budućnosti i kako percipira bezbednosne izazove, rizike i pretnje i načine da na njih odgovori, pripadaju prošlosti. Brzo se pokazalo da svet nije tako bezbedan, niti jedinstven po pitanju vrednosti i ciljeva. Novi globalni sukobi otvorili su pitanja delotvornosti starih i potrebu za stvaranje novih velikih strategija. Centralno pitanje ovog članka je postojanje velike strategije Srbije i koliko je Strategija nacionalne bezbednosti, kao krovni dokument u oblasti nacionalne bezbednosti deo velike strategije Srbije. Pitanje kojim se posebno bavimo je i da li su velike strategije rezervisane samo za globalne sile ili i male i srednje države imaju takve strategije. Na ta pitanja pokušavamo da damo odgovor kroz pokušaje da u teoriji nađemo prihvatljivu definiciju velike strategije, kroz analizu velikih strategija SAD i Kine, kao najvećih svetskih sila. Analizi Strategije nacionalne bezbednosti Srbije posvećujemo posebnu pažnju, jer smatramo da se u njoj nalazi najveći broj elemenata velike strategije Srbije.
Перспективы оптико-­радиочастотных систем дистанционного зондирования атмосферы
Authors: Борейшо А.С. , Коняев М.А. , Ким А.А. , Михайленко А.С.
Published: March 2021

Средства дистанционного зондирования атмосферы в оптическом и радиочастотном диапазонах находят широкое применение в аэронавигации, технологиях обеспечения безопасности полетов, метеорологии, экологии, климатологии и в иных сферах. Лидарные и радиолокационные системы имеют общие принципы функционирования. Несмотря на эту общность, их традиционно разделяют в зависимости от используемого частотного диапазона электромагнитного излучения. Следствием такого разделения становится разделение их функциональных возможностей и решаемых задач. Однако, как показывает практика, комплексное использование оптического и радиочастотного излучения при атмосферном мониторинге может привести к синергетическому эффекту и существенному расширению возможностей подобных системы. В статье рассматриваются возможности и перспективы совместного применения оптико-­радиочастотных средств атмосферного зондирования.
Дифракционный компаратор защитных голограмм на документах. Модернизация и опытная эксплуатация
Authors: Одиноков С.Б. , Цыганов И.К. , Талалаев В.Е. , Колючкин В.В. , Пирютин Н.В.
Published: March 2021

В статье рассматривается новый экспериментальный образец высокопроизводительного оптико-­электронного прибора для аутентификации защитных голограмм на документах. В нем скорость получения результата увеличивается благодаря применению в конструкции компаратора современных сканирующих систем, высокоскоростных регистрирующих устройств, специально разработанных и изготовленных компонентов оптической системы. Использование корреляционных фильтров в алгоритме обработки информации, полученной с голограммы, значительно сокращает время и повышает надежность процесса проверки подлинности защитных голограмм.
СПОСОБЫ ОБЕСПЕЧЕНИЯ СТАБИЛЬНОСТИ ИЗМЕРЕНИЙ ПРИ ПРОВЕДЕНИИ ВЫСОКОТОЧНЫХ ИССЛЕДОВАНИЙ С ПРИМЕНЕНИЕМ ЗОНДОВЫХ СТАНЦИЙ
Authors: Розанов Р.Ю.
Published: March 2021

Показаны основные причины, приводящие к отсутствию воспроизводимости результатов измерений при проведении высокоточных измерений на зондовых станциях, и рассмотрены способы устранения данных причин, применяемые в конструкциях современных зондовых установок.
Strategi Pengembangan Wisata Melalui Potensi Wilayah Studi Kasus Jamun Spot Sunset (JSS) Desa Poncokusumo Kabupaten Malang
Authors: Arih Suhita , Adi Supardi  , Gusnia A. Sekardati  , Khoirun Nisa Hindiyati  , Lucky A. Al-Bukhori  , Mafatihah L. Nova  , Nabil A. Ahmad  , Satti Wagistina
Published: March 2021

Penelitian ini bertujuan untuk menilai kelayakan potensi sumber daya alam dan merancang strategi pengembangan wisata secara tepat di Jamun Spot Sunset (JSS) Desa Poncokusumo Kabupaten Malang. Jenis penelitian yang digunakan adalah penelitian kuantitatif dengan metode survei. Data yang digunakan merupakan data primer yang dikumpulkan melalui observasi dan data sekunder yang bersumber dari jurnal, buku, dan data profil daerah yang relevan. Teknik analisis data menggunakan pedoman analisis Objek Daya Tarik Wisata (ODTWA) melalui skoring. Hasil penelitian menunjukkan objek wisata Jamun Spot Sunset memiliki kategori sedang yang berarti wisata tersebut belum dikelola secara optimal dari segi pelayanan, akomodasi, maupun kelengkapan infrastruktur pendukung lainnya.
OS CAMINHOS DA AVALIAÇÃO PSICOLÓGICA NO BRASIL E NO MUNDO: REFLEXÕES PARA UM ESTADO DA ARTE
Authors: Hasbun Astrid Sharon Pontes , Formiga Nilton Soares , Estevam Ionara Dantas
Published: March 2021

Psychological assessment has a historical relevance for the development of Psychology as a science and profession in Brazil, since the history of psychological assessment in Brazil is confused with the history of Psychology as a science and profession in the country, as it occurs even before its professionalization with the creation of undergraduate courses and the provision of teaching psychological assessment. However, it is possible to perceive that the path of psychological assessment in Brazil has gone through some phases: first, a great interest in psychological tests, then a certain discredit and criticism due to the lack of quality and studies of standardization of the instruments used and the most current where a new flourishing of the area appears. Thus, this work aimed to trace a reflective history of the area, seeking an understanding of the paths taken, the weaknesses and difficulties faced in the area as well as future possibilities. In recent years, the Federal Council of Psychology has been making efforts to regulate the area through various actions and actions of Satepsi, as well as to reduce the gap still found in the ethical aspects that involve acting in psychological assessment. This study reflects on the impact of these actions on the role of the psychologist, his performance as professional and possible future directions for the area. It can be seen, therefore, that Psychology and the area of psychological assessment have undergone important changes aimed at qualifying professional training, valuing practices based on scientific evidence and paying attention to social demands.
ENSAIO: CORRELAÇÃO ENTRE O PERFIL DO SONO E O COMPORTAMENTO EM INDIVÍDUOS COM TRANSTORNO ESPECÍFICO DA APRENDIZAGEM
Authors:   Faculdade Patos de Minas, Lagares Josias Barbosa Victor
Published: March 2021

This essay aims to bring to discussion the article of the authors (Amanda Maião Franklin, Célia Maria Giacheti, Nathani Cristina da Silva, Leila Maria Guissoni Campos and Luciana Pinato) who in turn bring an in-depth research into one of the mysteries of our humanity, sleep , seeking to correlate to the learning disorder, although we discuss in the present essay some of the methods, we cannot fail to point out the excellent work of the researchers, in an article, which, as you can see, is very cohesive. The idea that lack of sleep disrupts learning is not something new, but it is very well addressed by the researchers, who through field research have tried to correlate with the Specific Learning Disorder.
Metode Simple Additive Weighting Pada Penentuan Penerimaan Karyawan
Authors: Ermin Ermin , Sunardi Sunardi , Fadil Abdul
Published: March 2021

Kemajuan ilmu pengetahuan dan ilmu teknologi mendorong manusia untuk lebih  inovatif, profesional dan mampu dalam  pengoperasian komputer. Namun,  Sering didapati karyawan disuatu perusahaan tidak bertahan dengan jangka waktu yang singkat. Penyebab utamannya ialah kesalahan rekrutmen atau penentuan penerimaan karyawan. Hal ini   terjadi karena belum adanya metode yang dijadikan sebagai standarisasi yang tersistem untuk menilai kelayakan penentuan penerimaan karyawan. Penelitian ini bertujuan untuk membangun sistem pendukung keputusan yang objektif dalam penentuan penerimaan  karyawan menggunkan metode Simple Additive Weighting (SAW). Metode ini dipilih karena dapat menentukan nilai bobot untuk setiap atribut, kemudian dilanjutkan dengan proses perengkingan untuk mendapatkan alternatif tertinggi sampai terendah. Hasil penelitian perancangan sistem pendukung keputusan (SPK) dengan penerapan metode SAW dapat bersifat dinamis dan memberi kemudahan kepada perusahaan dalam proses penentuan penerimaan karyawan yang terpilih berdasarkan alternatif tertinggi dimulai dengan penginputan nama pendaftar, penginputan kriteria, penginputan bobot dan di beri nilai. Perengkingan dengan nilai tertinggi menjadi standarisasi kelayakan diterima sebagai karyawan dalam satu perusahaan.
Deteksi Keaslian Citra Menggunakan Metode Error Level Analysis (ELA) dan Principal Component Analysis (PCA)
Authors: Faroek Dewi Astria , Umar Rusydi , Riadi Imam
Published: March 2021

Kemajuan teknologi yang ada pada citra digital mempengaruhi banyak kemungkinan pada perangkat pencitraan dengan resolusi yang tinggi dengan biaya yang rendah. Hal ini dapat dimanfaatkan oleh pihak-pihak tertentu dalam memanipulasi citra digital agar lebih baik hingga sangat jauh dari hasil citra aslinya. Pemalsuan citra adalah proses manipulasi pada sebagian atau seluruh daerah citra baik terhadap isi maupun konteks citra dengan bantuan teknik pemrosesan citra digital. Dengan manipulasi citra ini banyak pihak yang dapat melakukan sebuah tindakan kejahatan. Definisi forensik citra merupakan bidang ilmu yang digunakan untuk mengidentifikasi asal dan menverifikasi keaslian sebuah citra tersebut. Hal yang mendasari dalam melakukan deteksi keaslian citra adalah melakukan perbandingan antara dua image dan dua metode yaitu metode Error Level Analysis (ELA) dan Principal Component Analysis (PCA) dengan menggunakan tools forensically-beta. Penelitian ini diharapkan menunjukkan hasil yang baik dalam mendeteksi objek pada citra sehingga dapat membantu dalam mendeteksi citra yang asli dan citra yang telah dimanipulasi berdasarkan metode ELA dan PCA.
Penerapan Pengembangan Sistem Extreme Programming Pada Aplikasi Pencarian Dokter Spesialis di Bandarlampung Berbasis Android
Authors: Gunawan Rakhmat Dedi , Napianto Riduwan , Borman Rohmat Indra , Hanifah Irma
Published: March 2021

Pada pengembangan sebuah software dibutuhkan metodologi dalam merencanakan pembangunan sebuah sistem. Pendekatan agile development telah diperkenalkan sebagai upaya untuk membuat  rekayasa  perangkat  lunak  yang  fleksibel  dan  efisien.  Salah  satu  cabang  metode  agile development    yang digunakan untuk menyesuaikan kebutuhan pengembangan adalah extreme programming (XP), yang merupakan pengembangan rekayasa perangkat lunak dapat digunakan untuk pengembangan sistem dengan requirement yang tidak jelas maupun terjadi perubahan terhadap requirement yang sangat cepat. Pada penelitian ini metode pengembangan sistem XP diterapkan pada aplikasi pencarian dokter spesialis. Dokter spesialis merupakan dokter yang mengkhususkan diri dalam suatu bidang ilmu kedokteran. Namun tidak semua tempat layanan kesehatan memiliki dokter spesialis tertentu, hal ini menyebabkan kesulitan bagi masyarakat dalam pencarian dokter spesialis yang sesuai dengan apa yang dibutuhkan oleh masyarakat. Untuk itu dalam penelitian ini akan dikembangan aplikasi pencarian dokter spesialis berbasis android dengan menggunakan metode pengembangan sistem XP agar dapat membantu masyarakat dalam melakukan pencarian dokter spesialis dengan rute terdekat berdasarkan pencarian sesuai kebutuhan pengguna. Berdasarkan pengujian black-box testing aplikasi pencarian dokter spesialis mendapatkan hasil bahwa pengujian yang dilakukan berjalan dengan baik, semua hasil pengujian fungsional aplikasi memiliki nilai lulus (pass).
Implementasi Plugin Impor Kamera dan Plugin Play Blast Untuk Autodesk Maya Berbasis Python
Authors: Nurrohmah Novia , Gunawan Wawan
Published: March 2021

Sebuah animasi tiga dimensi, merupakan sebuah karya yang dihasilkan melalui proses yang dikerjakan menggunakan komputer. Proses ini melibatkan banyak tim dan menghabiskan banyak waktu. Untuk memaksimalkan waktu, plugin dapat menjadi solusi. Plugin yang dapat mengautomatisasi pekerjaan layout artis, yaitu plugin impor kamera dan plugin play blast. Untuk plugin impor kamera misalnya, di bandingkan dengan mencari secara manual lokasi dimana file kamera disimpan, akan lebih mudah untuk melakukan impor kamera dengan satu kali klik. Begitu pula dengan play blast. Biasanya, file kamera diimpor dari folder mana saja dimana artis harus mencari file secara manual sehingga menghabiskan banyak waktu. Serta file video play blast secara default akan disimpan di (C:\) folder Maya Document, yang nantinya dapat menyebabkan masalah ketika direktori (C:\) penuh karena file play blast. Dengan menggunakan plugin, dapat menghemat waktu artis untuk mencari file kamera, serta dapat mencegah direktori (C:\) kehabisan ruang karena file video play blast.
Perancangan Sistem Informasi Pendaftaran Umroh Berbasis Web (Studi Kasus PT Ameera Mekkah Travel Cabang Tangerang)
Authors: Anugrah Fajar , Firdaus Diky
Published: March 2021

Jumlah jamaah umrah semakin bertambah setiap tahunnya. Namun Pandemi Covid 19 telah menyebabkan tidak beroperasinya banyak perusahaan Travel umrah termasuk PT Ameera Mekkah Travel Cabang Tangerang akibat dari permintaan umroh yang menurun dan pembatasan jamaah umrah Indonesia. Sistem ini dibuat untuk memberikan opsi lain dari pendaftaran umrah pada PT Ameera Mekkah Travel Cabang Tangerang yang dilakukan secara manual dengan mendatangi kantor fisik, kini bisa dilakukan secara online sehingga memberikan opsi pendaftaran yang lebih mudah, efisien dan cepat bagi calon jamaah. Sistem berbasis website ini dibuat untuk melakukan pendaftaran umrah, melakukan konfirmasi pembayaran, menggunggah dokumen dan melihat jadwal vaksinasi, jadwal pengambilan perlengkapan umroh serta pengunduhan sertifikat. Jadwal vaksinasi dan pengambilan perlengkapan umrah dibuat dengan menggunakan metode First Come First Serve untuk memudahkan pengguna memperoleh jadwal dengan lebih cepat tanpa memakan banyak waktu dalam pengerjaannya. Calon jamaah mendapatkan jadwal ketika sudah melakukan pelunasan pembayaran dan sudah divalidasi oleh admin. Ketika jamaah sudah menyelesaikan pelasksanaan umrah, jamaah dapat mengunduh sertifikat sesuai jadwal penunduhan sertifikat.
Analisis Sentimen Transportasi Online pada Twitter Menggunakan Metode Klasifikasi Naïve Bayes dan Support Vector Machine
Authors: Dwianto Enos , Sadikin Mujiono
Published: March 2021

Transportasi online  merupakan salah satu pilihan bagi masyarakat untuk berkegiatan sehari-hari baik saat bekerja, bepergian dan melakukan aktivitas lain. Salah satu cara untuk mengetahui persepsi masyarakat terhadap layanan transportasi online adalah dengan analisis sentimen seperti yang dilakukan pada penelitian ini. Data yang digunakan merupakan data valid dari sosial media Twitter untuk Transportasi online GrabId dan GojekIndonesia. Teknik analisis sentimen yang digunakan adalah  Naïve Bayes Classifier dan metode Support Vector Machine (SVM). Keduanya digunakan untuk membandingkan tanggapan masyarakat dari analisis sentimen data tweet yang telah diklasifikasikan menjadi positif dan negatif. Berdasarkan penelitian ini didapatkan bahwa GrabId menggunakan metode SVM memberikan hasil class precision positif dan negatif yaitu 86.47% dan 46.67%, class recall positif dan negatif yaitu 96.21% dan 18.06%, accuracy 84.08%. Sedangkan untuk GojekIndonesia, metode SVM memberikan hasil yaitu class precision positif dan negatif yaitu 73.90% dan 35.65%, class recall positif dan negatif yaitu 89.84% dan 15.07%, accuracy 69.50%. Dari akurasi yang dihasilkan, metode SVM  menghasilkan kinerja terbaik.
A importância de Inalda Xavier para a constituição do patrimônio das artes visuais da UFRPE
Authors: Melo Énery Gislayne de Sousa , Vila Nova Julio Cesar Fernandes , Patello Vera Conceição Alves , Monteiro Josimar Alves
Published: March 2021

Este artigo pretende destacar a importância da artista Inalda Xavier para a constituição do acervo das artes visuais da Universidade Federal Rural de Pernambuco, identificado através de um processo de catalogação de artes realizado pelo projeto “Artes Visuais da UFRPE: revelações identitárias a partir do patrimônio artístico-histórico”, no período de fevereiro a maio de 2019. Apresentamos um painel sobre a história das artes visuais de Pernambuco, especificamente, do período em que Inalda fez parte, destacando a sua contribuição para o campo das artes de Pernambuco e identificamos a influência da artista sobre a construção do patrimônio artístico visual da universidade.
A arte/educação no ambiente da escola quilombola de Mata Cavalo: cultura de diálogos e resistência
Authors: Soares Cristiane Carolina de Almeida , Silva Regina Aparecida da , Sato Michèle Tomoko
Published: March 2021

No quilombo de Mata Cavalo, a escola é um contexto de aprendizagem rico, porém excludente, repleto de preconceito e injustiças socioambientais. Procura estimular as práticas da arte/educação. Para atender às especificidades educacionais, esta escola planeja as aulas de Arte, junto a uma das disciplinas da parte diversificada do currículo. Entretanto, as manifestações culturais ultrapassam os muros da escola, por meio da educação popular. Temos o objetivo de discutir o ensino de arte e cultura em Mata Cavalo, junto à produção artesanal e as atividades coletivas, que afrontam a hegemonia capitalista. Utilizamos a metodologia Mapa Social, para evidenciar o fortalecimento cultural da comunidade.
Ser e Estar professor em modos de fabular
Authors: Nunes Carolina Ramos , Schmidlin Elaine
Published: March 2021

Este texto problematiza a relação entre ser e estar professor em uma escrita, pautada na fabulação, que pode vir a contribuir com a formação docente em Artes Visuais, compreendida não como a representação de um ideal, mas como uma diferença. Como referência teórica, o trabalho pauta-se na faculdade fabuladora, retomada de Henri Bergson por Gilles Deleuze, de modo a potencializar a criação entre arte e vida, uma vez que abre no real a possibilidade do acontecimento — que se apresenta não como profundidade a ser alcançada, mas como superfície —, em que pode vir a emergir variáveis intensivas de um pensamento sem imagens naquela formação.
Expediente
Authors: GEARTE Revista
Published: March 2021

Expediente
Tricuspid atresia type 1B with left superior vena cava in a 4-month-old child: An unusual combination diagnosed by transthoracic echocardiography
Authors: Velamakanni Subrahmanya Murti , Patel Aman , Khadkikar Gajanan , Patel Tejas
Published: March 2021

Tricuspid atresia (TA) is a rare cyanotic congenital heart disease. A
persistent left superior vena cava (LSVC) may be associated with TA. The
presence of LSVC raises important considerations for eventual repair, in
that it may lead to persistent arterial desaturation even after
corrective surgery, if associated with an unroofed coronary sinus. Here,
we present the case of a 4-month-old child who was diagnosed with TA
type 1B, LSVC and a dilated coronary sinus by transthoracic
echocardiography.
Morphological Changes in Nasal Mucosa in Patients with Sarcoidosis.
Authors: Pavlidis Pavlos , Fouka Evangelia , Katsilis Georgios , Gouveris Haralampos , Papakosta Despoina
Published: March 2021

Objectives: The purpose of this study was the evaluation of any
alterations in the microvascular network of the nasal mucosa in patients
with pulmonary sarcoidosis and the investigation of potential
correlations with olfactory acuity and serum levels of
angiotensin-converting enzyme (sACE). Design: Patients’ nasal mucosa was
examined with contact endoscopy (CE). A novel classification scheme for
the microvascular pattern at the anterior septal mucosa (Little’s area)
was introduced and implemented. Olfaction was tested using
sniffin’sticks. Fifteen healthy subjects served as controls.
Participants: 15 patients with pulmonary sarcoidosis and sinonasal
symptoms. Main outcome measures: Microvascular pattern at the anterior
septal mucosa (Little’s area). Olfaction tested using sniffin’sticks.
Setting: Tertiary referral medical centre. Results: The nasal
microvascular network was disrupted under CE in most (14/15) patients,
while in one patient no microvascular net could be detected. Moreover,
hyposmia was documented in four patients and complete anosmia in one
patient. In healthy subjects, a very strong correlation between vascular
pattern of the mucosa and olfactory test results was found (r=0.93).
Conclusions: Contact endoscopy findings show promise and should be
further tested, to evaluate their validity as a surrogate marker of
mucosal nasal inflammation in sarcoidosis patients with sinonasal
symptoms. Vascular patterns of nasal mucosa and olfaction seem to be
strong correlated.
Should dispersers be fast learners? Modelling the role of cognition in dispersal syndromes
Authors: Liedtke Jannis , Fromhage Lutz
Published: March 2021

Both cognitive abilities and dispersal tendencies can vary strongly
between individuals. Since cognitive abilities may help dealing with
unknown circumstances it is conceivable that dispersers may rely more
heavily on learning abilities than residents. However, cognitive
abilities are costly and leaving a familiar place might result in losing
the advantage of having learned to deal with local conditions. Thus,
individuals which invested in learning to cope with local conditions may
be more reluctant to leave their natal place. In order to disentangle
the complex relationship between dispersal and learning abilities we
implemented individual-based simulations. By allowing for developmental
plasticity, individuals could either develop a ‘resident´ or ‘dispersal´
cognitive phenotype. In line with our expectations, the correlation
between learning abilities and dispersal could take any direction,
depending how much time individuals had to recoup their investment in
cognition. Both, longevity and the timing of dispersal within lifecycles
determine the time individuals have to recoup that investment and thus
crucially influence this correlation. We therefore suggest that species´
life-history will strongly impact the expected cognitive abilities of
dispersers, relative to their resident conspecifics, and that cognitive
abilities might be an integral part of dispersal syndromes.
ANALIZA DEBIUTÓW NA RYNKU GŁÓWNYM GPW W LATACH 2005-2019
Authors: Paczutkowski Kacper , Furmańczyk Konrad
Published: March 2021

Niniejsze opracowanie traktuje o debiutach giełdowych na Rynku Głównym GPW w latach 2005 – 2019. W tym kontekście przywołano na początku informacje dotyczące tematyki debiutu oraz zagadnień procesowo- organizacyjnych z tym związanych. W dalszej części zaprezentowano przegląd danych udostępnianych w serwisach GPW dotyczących badanej dziedziny problemowej oraz dokonano na ich podstawie analizy wybranych statystyk ilościowych. Ważną część poświęcono zbadaniu scenariuszy zmiany ceny w pierwszym dniu notowań i przeprowadzeniu opartego na nich wnioskowania statystycznego.
Existence criteria of positive solutions for fractional p-Laplacian boundary value problems
Authors: Yoruk Deren , Cerdik Tugba , Agarwal Ravi
Published: March 2021

By means of the Bai-Ge?s fixed point theorem, this paper shows the existence
of positive solutions for nonlinear fractional p-Laplacian differential
equations. Here, the fractional derivative is the standard Riemann-Liouville
one. Finally, an example is given to illustrate the importance of results
obtained.
On a class of infinite system of third-order differential equations in lp via measure of noncompactness
Authors: Pourhadi E. , Mursaleen M. , Saadati R.
Published: March 2021

In this paper, with the help of measure of noncompactness together with
Darbo-type fixed point theorem, we focus on the infinite system of
third-order differential equations u???i + au??i + bu?i + cui = fi(t,
u1(t), u2(t),...) where fi ? C(R x R?,R) is ?-periodic with respect to
the first coordinate and a,b,c ? R are constants. The aim of this paper is
to obtain the results with respect to the existence of ?-periodic solutions
of the aforementioned system in the Banach sequence space lp (1 ? p < ?)
utilizing the respective Green?s function. Furthermore, some examples are
provided to support our main results.
On expected error of randomized Nyström kernel regression
Authors: Trokicic Aleksandar , Todorovic Branimir
Published: March 2021

Kernel methods are a class of machine learning algorithms which learn and
discover patterns in a high (possibly infinite) dimensional feature space
obtained by often nonlinear, possibly infinite mapping of an input space. A
major problem with kernel methods is their time complexity. For a data set
with n input points a time complexity of a kernel method is O(n3), which is
intractable for a large data set. A method based on a random Nystr?m
features is an approximation method that is able to reduce the time
complexity to O(np2+p3) where p is the number of randomly selected input
data points. A time complexity of O(p3) comes from the fact that a spectral
decomposition needs to be performed on a p x p Gram matrix, and if p is a
large number even an approximate algorithm is time consuming. In this paper
we will apply the randomized SVD method instead of the spectral
decomposition and further reduce the time complexity. An input parameters of
a randomized SVD algorithm are p x p Gram matrix and a number m < p. In this
case time complexity is O(nm2+p2m+m3), and linear regression is
performed on a m-dimensional random features. We will prove that the error
of a predictor, learned via this method is almost the same in expectation as
the error of a kernel predictor. Aditionally, we will empirically show that
this predictor is better than the ONE that uses only Nystr?m method.
BELIEF-LIKE IMAGINING AND CORRECTNESS
Authors: Chasid Alon
Published: March 2021

This paper explores the sense in which correctness applies to belief-like imaginings. It begins by establishing that when we imagine, we “direct” our imaginings at a certain imaginary world, taking the propositions we imagine to be assessed for truth in that world. It then examines the relation between belief-like imagining and positing truths in an imaginary world. Rejecting the claim that correctness, in the literal sense, is applicable to imaginings, it shows that the imaginer takes on, vis-à-vis the imaginary world, the first-person perspective of a believer. Imaginings, it concludes, “mimic” beliefs with respect to the property of being correct or incorrect by virtue of having true or false content.
Poly(Alkylimide) and Poly(Vinyl Alcohol) Medical Hydrogels – Testing with U937 Cell Line
Authors:   Gdansk University of Technology, Faculty of Chemistry, Department of Polymer Technology, 11/12, G. Narutowicza str., 80-952 Gdansk, Poland, Gibas Iwona , Janik Helena ,   Gdansk University of Technology, Faculty of Chemistry, Department of Polymer Technology, 11/12, G. Narutowicza str., 80-952 Gdansk, Poland, Strnkowski Michal ,   Gdansk University of Technology, Faculty of Chemistry, Department of Polymer Technology, 11/12, G. Narutowicza str., 80-952 Gdansk, Poland, Panzarini Eliza ,   Universita del Salento, Faculty of Science, 7, Piazza Tancredi, 73100 Lecce, Italy, Dini Luciana ,   Universita del Salento, Faculty of Science, 7, Piazza Tancredi, 73100 Lecce, Italy
Published: March 2021

Direct interactions with a cell line of poly(vinyl alcohol) and poly(alkylimide) hydrogels were tested using optical microscopy. After the interaction neither necrotic cells nor changes in cell activity and morphology were noticed although poly(vinyl alcohol) showed better compatibility. IR spectroscopy and differential scanning calorymetry were used giving characteristics of hydrogels studied.
Silica Sol Obtained from Rice Husk Ash
Authors:   Instituto de Macromoleculas Prof. Eloisa Mano – Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil, de Sousa Ana Maria , Visconte Leila ,   Instituto de Macromoleculas Prof. Eloisa Mano – Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil, Mansur Claudia ,   Instituto de Macromoleculas Prof. Eloisa Mano – Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil, Furtado Cristina ,   Centro de Tecnologia e Ciencias, Instituto de Quimica - Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
Published: March 2021

Rice husk ash was used to produce sodium silicate with SiO2/Na2O=3. The investigation of NaOH concentration and temperature on the silica conversion showed that NaOH has positive influence. SiO2/Na2O  3 was produced with 0.8 mol/l of NaOH and 403/453 K. These solutions were used to produce silica sol with diameter of 5nm.
Mathematical Modelling of Continuous Formation of Multilayer Humic-Mineral Solid Components
Authors:   National Technical University of Ukraine “Kyiv Polytechnic Institute” 37, Prospekt Peremohy, 03056 Kyiv, Kornienko Yaroslav , Raida Vasyl ,   National Technical University of Ukraine “Kyiv Polytechnic Institute” 37, Prospekt Peremohy, 03056 Kyiv, Sachok Roman ,   National Technical University of Ukraine “Kyiv Polytechnic Institute” 37, Prospekt Peremohy, 03056 Kyiv, Tsepkalo Oleksiy ,   National Technical University of Ukraine “Kyiv Polytechnic Institute” 37, Prospekt Peremohy, 03056 Kyiv
Published: March 2021

A mathematical model of continuous granulation process of solid multilayer humic-mineral composites in the fluidized bed unit intended for liquid industrial wastes utilization with obtaining of complex granular fertilizers for environmentally safe agriculture was developed and the stabilization terms of the dispersion composition were defined.
Risk factors of maternal death in preeclampsia
Authors: Babazhanova S. D. , Lyubchich A. S. , Jabbarova Yu. K.
Published: March 2021

Aim. To determine the factors contributing to maternal death due to preeclampsia.

Materials and Methods. We performed a retrospective study of 149 maternal deaths from preeclampsia during 2013-2017, which included the analysis of birth histories, medical records, individual observation cards, outpatient records, and questionnaires of healthcare workers and relatives.

Results. Preeclampsia was responsible for 24.1% of maternal deaths over 5 years (2013-2017). The causes of death in women with preeclampsia were: pulmonary oedema (33/149, 22.2% cases), acute renal failure (33/149, 22.2%), cerebral complications (43/149, 28.6%), and hepatic impairment (acute fatty liver of pregnancy or HELLP syndrome, 45/149, 30.2%). The majority of pregnant women admitted in critical condition because of acute fatty liver of pregnancy or HELLP syndrome (45/149, 30.2%), eclampsia at home (25/149, 16.8%), or severe hypertension (114/149, 76.5%). The majority of those who died from preeclampsia had premature births (86/149, 57.7%) and delivered by caesarean section (117, 78.5%), yet the latter was associated with a higher risk of maternal death in case of preeclampsia (OR = 30.028. 95% CI = 15.277-59.022) as compared with vaginal delivery. Risk factors of the maternal death in preeclampsia included late hospitalization (66% of deaths), inadequate antenatal care (64.4%), incorrect route of examination and hospitalization (31.6%), underestimation of the patient's condition (42.3 %), insufficient monitoring during pregnancy, childbirth and post childbirth (48.8%), and insufficient teamwork of medical staff (42.2%).

Conclusions. Insufficient knowledge of preeclampsia symptoms by pregnant women and their families, insufficient monitoring of blood pressure, underestimation of organ dysfunction, late hospital admission, late delivery, insufficient antihypertensive therapy, delivery at elevated blood pressure, and insufficient teamwork of healthcare professionals increase the risk of maternal mortality in the patients with preeclampsia.
Bifdobacterial exopolysaccharides: a brief review
Authors: Zakharova Yu. V. , Levanova L. A. , Otdushkina L. Yu.
Published: March 2021

Exopolysaccharide (EPS) production is a widespread phenotypic trait in many commensal and pathogenic microorganisms. In bifidobacteria, the discovery of the eps gene cluster propelled the multiple studies of their EPS, which represent heteropolysaccharides and generally consist of three monosaccharides: D-glucose, D-galactose, and L-rhamnose. EPS of B. animalis subsp. lactis additionally contains mannose while EPS of B. adolescentis and B. longum subsp. longum contains 6-deoxytealose. The number of repeat units in bifidobacterial EPS is a straincharacteristic feature. Precursors of the indicated EPS monomers are glucose-1-phosphate and fructose-6-phosphate, and the synthesis involves nucleotide sugar intermediates. Two molecular systems are implica in polymerisation and polymer secretion in bifidobacteria: ABC transporters and fippase polymerase complex (Wzx/Wzydependent pathway). EPS perform numerous functions. They protect bifidobacteria from aggressive gastrointestinal milieu and reactive oxygen species, provide a scaffold for the bacterial-bacterial interactions, and act as the receptors for phage adsorption. Further, EPS are used by the other members of the gut microbiota as substrates for nutrition, i.e. bifidobacteria regulate the composition and metabolic activity of intestinal microorganisms. Therefore, EPS-producing strains exhibit pronounced antibacterial effects due to the binding of opportunistic and pathogenic microbes. Finally, EPS can act as pathogen-associated molecular patterns. Beneficial effects of bifidobacterial EPS determined the possibility of their use as prebiotics or as a part of symbiotics. The main limitation in this regard is the low yield of the target product when culturing EPS-producing strains. Therefore, current research is aimed at finding novel EPSproducing strains among the bifidobacteria and creating favorable technological conditions that promote EPS production.
Metabolic therapy in cardiology from the perspective of evidence-based medicine
Authors: Kostin V. I. , Shangina O. A. , Shelikhov V. G.
Published: March 2021

Over the past few decades, various applications of the metabolic drugs have been extensively tested. Most of them affect oxygen-dependent processes, improving cellular metabolism and increasing tissue resistance to hypoxia and ischemia. The most promising candidates include components of the respiratory chain, purine nucleosides, and creatine phosphate which affect glucose oxidation and fatty acid metabolism in the Krebs cycle. This review critically evaluates the most popular drugs of this group (adenosine triphosphate, adenosine-5-monophosphate, creatine phosphate, coenzyme Q10, cytochrome C, adenosine, glucose-insulin-potassium solution, L-carnitine, mildronate, and trimetazidine), which are widely represented on the pharmaceutical market. Of all metabolic drugs, only trimetazidine was included in the European and Russian recommendations for the second-line treatment of stable angina. In most clinical studies, the therapeutic efficacy of metabolic drugs has been evaluated using the surrogate endpoints. Despite being actively advertised and widely used in the clinical practice, metabolic drugs currently do not have a convincing evidence base for affecting prognosis (mortality and/or major adverse cardiovascular events). Further studies in large-scale randomised trials are needed to confirm the beneficial effects of the metabolic drugs in cardiovascular medicine.
Lean technology principles improve management of medical organizations
Authors: Tsarik G. N. , Rytenkova G. L. , Gracheva T. Yu.
Published: March 2021

To develop a process model and an algorithm for managing the development of medical organizations. Material and Methods. We enrolled 94 medical organizations of primary healthcare which employed the five key principles of lean technology. Patient satisfaction as well as accessibility and quality of medical care were measured by direct observation and assessing duration of the healthcare procedures. Both patients and medical staff filled a specially designed questionnaire. The study included 610 patients, 460 physicians and 430 paramedical workers. Process model of medical organizations was developed using official records and system analysis. To develop an algorithm for managing medical organizations, we stratifed the priorities and suggested an improvement pipeline. Results. The implementation of the lean technology principles reduced the duration of the pediatric checkup (from 14.1 to 1.0 days, p = 0.001), adult medical checkup (from 8.0 to 3.0 days, p = 0.002), room waiting time for the vaccination procedure (from 117.0 to 45.3 minutes, p = 0.001), and room waiting time for the routine medical procedures (120.5 to 15.5 minutes, p = 0.001). Further, it increased the patient satisfaction rate regarding the register office (from 45.2% to 87.3%, p = 0.001) and decreased the equipment downtime in physiotherapy departments (from 12.5 hours to 2.0 hours, p = 0.001). Conclusion. The development of a process model and an algorithm for managing the development of medical organizations results in a significant reduction in time losses when receiving primary healthcare and increases the efficiency of equipment use.
Control Management for Three Renewable Energy Generators and Diesel Generator for Rural/Remote Sites
Authors: Aljaism Wadah , Hussein Walaa
Published: March 2021

This paper shows a control method for three renewable energy generators (Wind, Solar, batteries bank generators) and diesel generator via PLC producing the required electrical supply for the remote and rural sites.
Phase Transition of Fe₃O₄ Magnetic Material Based on Observation of Curie Temperature and Hysteresis Curve: Micromagnetic Simulation Study
Authors: Puspita Dewi Azzahra , Rohman Lutfi , Arkundato Artoto , Syarifah Ratna Dewi
Published: March 2021

Phase transition yesng happens to the material magnetite (Fe3O4) is an interesting phenomenon to study because it has many important applications, one of which is RAM (Radar Absorbing Material). The magnetic properties of nanomaterials are known to be influenced by their size. In this simulation research, the research objective was to analyze the temperature value of the Curie and the hysteresis curve of the Fe3O4 material with variations in the size of the material sample cube of 5 nm, 8 nm, 10 nm, 12 nm, and 15 nm. In this study, using a micromagnetic simulation method based on atomistic models with the Vampire program. The results showed that the Curie temperature value in the Fe3O4 material was influenced by variations in the size of the material. The Curie temperature values when the side sizes of the cube are 5 nm, 8 nm, 10 nm, 12 nm, and 15 nm, namely 650 K, 635 K, 650 K, 665 K and 645 K. The characteristics of the hysteresis curve for Fe3O4 material based on simulations at each material size (5 nm, 8 nm, 10 nm, 12 nm, and 15 nm) for several temperatures (0 K, 328 K, 473 K and 773 K) indicate that there is a change in the coercivity and field values. saturation.
Tachyon – A Non-Existent Particle
Authors: Sfarti A.
Published: March 2021

In a 1967 paper [1], G. Feinberg conjectured about the possibility of “faster-than-light” particles. In the current note we prove his conjecture to be false by showing that he missed several key counter-arguments to their existence. We explain why the existence of tachyons contradicts both relativistic kinematics and relativistic dynamics. Our paper is divided in two sections: the kinematic counter-arguments and the dynamics counter-arguments.
The Body of Woman and Woman’s Rights as Portrayed in Rupi Kaur’s milk and honey Based on Elaine Showalter’s Gynocriticism
Authors: Tarigan Priska , Pardede Martha , Marulafau Siamir
Published: March 2021

In the time of modern writing, women writers are increasingly free in raising the theme of their writing. Women are no longer reluctant to write things related to a woman’s body and it’s issue. This research aims to analyze the body of women and woman’s rights as portrayed in Rupi Kaur’s milk and honey (2014). This research belongs to library research that applied descriptive qualitative method with gynocriticism approach. Reading and selecting data techniques were used to collect the data. 28 poems raise the theme of the body of a woman and its issue used as the data in this research. To analyze the body of woman and woman’s rights in milk and honey,  gynocriticism theory by Ellaine Showalter were used. The result of the analysis shows that: 1) Woman’s body is described into three aspects, that is objectification of the body, owner of the body, and strength of the body. 2) There are three ways for a woman to embrace their rights. First, a woman is asked to be able to accept and acknowledge herself as she is. Second, a woman is expected to love and consider herself precious and equal to a man. Third, women must be able to help and to support other women in fighting for their rights.