bluuebunny/crossref_metadata_2025 huggingface dataset:
ENSINO REMOTO EM TEMPOS DE PANDEMIA: A PERCEPÇÃO DOS PROFESSORES DE UMA ESCOLA PÚBLICA DO INTERIOR DE MATO GROSSO
Authors: Souza Alisson Henrique Araújo de
Published: March 2022

A pandemia da COVID-19 fez com que instituições de ensino do mundo inteiro adotassem a modalidade de ensino remoto emergencial. Os professores utilizaram de plataforma digital para ministrar as aulas, mas para que isso ocorresse tiveram que passar por capacitações para remodelarem seus modelos de educação presencial para adotarem a educação digital. O objetivo deste artigo foi analisar qual a percepção dos professores da escola pública sobre o ensino remoto em tempos de pandemia. Para tal, a estratégia utilizada foi de caráter exploratório descritivo, através de um estudo de campo com coleta de informações através de um questionário semiestruturado, e disponibilizado para os respondentes via plataforma digital, GoogleForms. Para os professores, a falta de capacitação tornou a adaptação ao ensino remoto difícil, porém, a maior dificuldade apresentada está relacionada ao aluno, manter o foco e a participação ativa dos alunos durante as aulas virtuais, além de fazer com que estes realizem as atividades propostas e cumpram o cronograma.
ANÁLISE DA GESTÃO MUNICIPAL NA MANUTENÇÃO PREVENTIVA E CORRETIVA DOS TÚNEIS DO MUNICÍPIO DO RIO DE JANEIRO
Authors: Raphael Ivan Eduardo Santos , Rosas Reiner Olíbano
Published: March 2022

O objetivo deste estudo foi mostrar a importância da manutenção preventiva e corretiva de forma regular nos túneis localizados no município do Rio de Janeiro, para assim mitigar e até mesmo evitar os riscos de desabamentos. Como justificativa, a partir dos resultados obtidos, o estudo poderá servir de subsídio para a adoção de uma rotina permanente de prevenção de riscos de desabamentos. Para o desenvolvimento do presente estudo foi realizada uma ampla revisão bibliográfica. A pesquisa feita teve um aspecto de exploratória-descritiva, tendo um caráter qualitativo. Concluiu-se que, quando há uma forte necessidade de implementação de sistemas de manutenção em obras de qualquer nível ou tipo de uso, no caso de obras públicas, sobretudo em túneis, a questão da manutenção se mostra de suma importância. Primeiramente, porque tem-se uma ampla circulação de usuários, que induz a uma deterioração natural do equipamento e, considerando que são estruturas fechadas, submetidas a intensas ações agressivas tais como infiltrações, subpressões, dentre outras ações, este sistema de prevenção passa a ser ainda mais essencial.
Aerosol models from the AERONET database: application to surface reflectance validation
Authors: Roger Jean-Claude , Vermote Eric , Skakun Sergii , Murphy Emilie , Dubovik Oleg , Kalecinski Natacha , Korgo Bruno , Holben Brent
Published: March 2022

Abstract. Aerosols play a critical role in radiative transfer within the
atmosphere, and they have a significant impact on climate change. In this
paper, we propose and implement a framework for developing an aerosol model
using their microphysical properties. Such microphysical properties as the
size distribution, the complex refractive index, and the percentage of
sphericity are derived from the global AERosol RObotic NETwork (AERONET).
These measurements, however, are typically retrieved when almucantar
measurement procedures are performed (i.e., early mornings and late
afternoons with clear sky) and might not have a temporal correspondence to
a satellite overpass time, so a valid validation of satellite-derived
products cannot be carried out. To address this problem of temporal
inconsistency of satellite and ground-based measurements, we developed an
approach to retrieve these microphysical properties (and the corresponding
aerosol model) using the optical thickness at 440 nm, τ440, and
the Ångström coefficient between 440 and 870 nm, α440–870. Such aerosol models were developed for 851 AERONET sites within the last 28 years. Obtained results
suggest that empirically microphysical properties can be retrieved with
uncertainties of up to 23 %. An exception is the imaginary part of the
refractive index ni, for which the derived uncertainties reach up to 38 %. These specific parametric models of aerosol can be used for the studies when
retrieval of microphysical properties is required as well as validation of
satellite-derived products over land. Specifically, we demonstrate the
usefulness of the aerosol models to validate surface reflectance records
over land derived from optical remote sensing sensors. We then quantify the
propagation of uncertainties in the surface
reflectance due to uncertainties with the aerosol model retrieval that is used as a reference from radiative transfer simulations. Results indicate that individual aerosol microphysical properties can impact uncertainties in surface reflectance retrievals between
3.5 × 10−5 to 1 × 10−3 (in reflectance units). The overall impact of
microphysical properties combined yields an overall uncertainty in surface
reflectance < 0.004 (in reflectance units). That corresponds, for
example, to 1 to 3 % of the retrieved surface reflectance in the red
spectral band (620–670 nm) by the Moderate Resolution Imaging
Spectroradiometer (MODIS) instrument. These uncertainty values are well
below the specification (0.005 + 0.05ρ; ρ is the retrieved
surface reflectance) used for the MODIS atmospheric correction.
An algorithm for U-Pb geochronology by secondary ion mass spectrometry
Authors: Vermeesch Pieter
Published: March 2022

Abstract. Secondary Ion Mass Spectrometry (SIMS) is a widely used technique for in-situ U–Pb geochronology of accessory minerals. Existing algorithms for SIMS data reduction and error propagation make a number of simplifying assumptions that degrade the precision and accuracy of the resulting U–Pb dates. This paper uses an entirely new approach to SIMS data processing that introduces the following improvements over previous algorithms. First, it treats SIMS measurements as compositional data, using logratio statistics. This means that, unlike existing algorithms, (a) its isotopic ratio estimates are guaranteed to be strictly positive numbers, (b) identical results are obtained regardless of whether data are processed as normal ratios (e.g. 206Pb / 238U) or reciprocal ratios (e.g. 238U / 206Pb), and (c) its uncertainty estimates account for the positive skewness of measured isotopic ratio distributions. Second, the new algorithm accounts for the Poissonian noise that characterises Secondary Electron Multipliers (SEM). By fitting the SEM signals using the method of maximum likelihood, it naturally handes low intensity ion beams, in which zero counts signals are common. Third, the new algorithm casts the data reduction process in a matrix format, and thereby captures all sources of systematic uncertainty. These include significant inter-sample error correlations that arise from the commonly used Pb/U-UO(2)/U calibration curve. The new algorithm has been implemented in a new software package called simplex. simplex was written in R and can be used either online, offline or from the command line. The program can handle SIMS data from both Cameca and SHRIMP instruments.
Development of a national 7-day ensemble streamflow forecasting service for Australia
Authors: Hapuarachchi Hapu , Bari Mohammed , Kabir Aynul , Hasan Mohammad , Woldemeskel Fitsum , Gamage Nilantha , Sunter Patrick , Zhang Xiaoyong , Robertson David , Bennett James , Feikema Paul
Published: March 2022

Abstract. Reliable streamflow forecasts with associated uncertainty estimates are essential to manage and make better use of Australia's scarce surface water resources. Here we present the development of an operational 7-day ensemble streamflow forecasting service for Australia to meet the growing needs of users, primarily water and river managers, for probabilistic forecasts to support their decision making. We test the modelling methodology for 100 catchments to learn the characteristics of different rainfall forecasts from Numerical Weather Prediction (NWP) models, the effect of statistical processing on streamflow forecasts, the optimal ensemble size, and parameters of a bootstrapping technique for calculating forecast skill. A conceptual hourly rainfall-runoff model, GR4H (hourly) and lag and route channel routing model that are in-built in the Short-term Water Information Forecasting Tools (SWIFT) hydrologic modelling package are used to simulate streamflow from input rainfall and potential evaporation. The statistical Catchment Hydrologic Pre-Processor (CHyPP) is used for calibrating rainfall forecasts, and the Error Reduction and Representation In Stages (ERRIS) model is used to reduce hydrological errors and quantify hydrological uncertainty. Calibrating raw forecast rainfall with CHyPP is an efficient method to significantly reduce bias and improve reliability for up to 7 lead days. We demonstrate that ERRIS significantly improves forecast skill up to 7 lead days. Forecast skills are highest in temperate perennially flowing rivers, while it is lowest in intermittently flowing rivers. A sensitivity analysis for optimising the number of streamflow ensemble members for the operational service shows that more than 200 members are needed to represent the forecast uncertainty. We show that the bootstrapping block size is sensitive to the forecast skill calculation a bootstrapping block size of one month is recommended to capture maximum possible uncertainty. We present benchmark criteria for accepting forecast locations for the public service. Based on the criteria, 209 forecast locations out of a possible 281 are selected in different hydro-climatic regions across Australia for the public service. The service, which has been operational since 2019, provides graphical and tabular products of ensemble streamflow forecasts along with performance information, for up to 7 lead days with daily updates.
How the project method contributes to the construction of meaning in statistics - also in a hybrid learning environment
Authors: Borovcnik Manfred , Terán Teresita E.
Published: March 2022

We address problems that arise in teaching statistics in non-statistical degree courses in statistics. The typical student reveals basic difficulties in the understanding of the key concepts. This paper describes experiences with the “project method”, motivating students with real data from the future profession. The project method generated collaborative learning and social interaction between groups by embedding learning statistics in the context of applied problems in the form of projects. Godino’s semiotic ontological framework provides elements of his model of the instructional process and a didactic trajectory in his first exploratory phase of execution, as well as exposing the linguistic, situational, actuative, conceptual, propositional, and argumentative elements that are relevant in understanding a particular topic. Due to its relative success in our classes and a theoretical analysis, we propose the project method for teaching statistics, especially for hybrid courses where face-to-face is combined with virtual parts of knowledge acquisition.
An analysis of media items about the Coronavirus pandemic: New insights for statistical literacy
Authors:   Department of Human Services, University of Haifa, Haifa, Israel, Gal Iddo , Geiger Vincent ,   Institute for Learning Sciences and Teacher Education, Australian Catholic University, Brisbane, Australia
Published: March 2022

Despite repeated calls for development of statistical literacy among citizens, in fact there is a dearth of recent systematic empirical research on the actual mathematical and statistical demands of mainstream media. Hence, this study aimed to develop a typology of the content of mathematical and statistical products and demands in the COVID-19 pandemic media, given the criticality of such information to citizens and societies alike. We conducted content-analysis of a purposive sample of over 300 media items from digital news sources based in four countries with different profiles. The analysis generated nine categories of new or enhanced types of knowledge and skill demands evident in the media items analyzed, such as regarding models and causality, data quality and strength of evidence, comparative thinking, literacy and language, official data sources, critical interpretation, and more. We discuss implications for current conceptual models and for instructional efforts focused on statistical literacy.
Substance or structure: how do teachers' concept images of distribution compare to those of exper statisticians
Authors: Macey Darren
Published: March 2022

Research into approaches to statistics education in recent decades has produced remarkably consistent recommendations, but this is not generally well reflected in the learning activities that take place in many classrooms. This multi-case study attempts to begin to understand why, by exploring concept images for the concept of statistical distribution. In this study of three teachers and three expert statisticians based in England, the concept images of the six participants were mapped through individual semi-structured interviews and then compared. The key differences identified between the expert statisticians and the teachers related to how conceptual elements were connected and navigated, with teachers relying heavily on their knowledge of assessment items for this. Additional similarities and differences are discussed along with some implications for professional development and further research.
Developing regression heuristics through argumentation in computing laboratory
Authors: Li Ken W.
Published: March 2022

Developing regression heuristics for students is not straightforward. It would be better to organize class settings to facilitate small group discussions; they can talk about how to address a question of common concern through argumentation such that their thoughts would be articulated. The students in the present study were divided into small groups in a computing laboratory in order to increase opportunities for peer discussion. An observation study was then conducted; the contents of their discussions were analyzed. It was found that argumentation was characterized by the question-and-answer exchanges that shaped the flow of regression tasks on which they worked. They were comfortable in presenting their standpoints or responses, and the responses were taken seriously by their peers. They raised questions when they found peers’ feedback vague. Besides, group interaction was associated with positive responses, thus articulating students’ thoughts, enriching thinking context, and broadening thinking perspective.
Kırgızistan Tarihinde Kız Kaçırma
Authors: Ömürbek Kızı Asel
Published: March 2022

Kidnapping of girls has become one of the most burning social problems of the Kyrgyz society. Today, Kyrgyz girls are kidnapped and married against their will. In total, from 10,000 to 15,000 girls are kidnapped in Kyrgyzstan every year. According to the UN, every fifth marriage in the republic is the result of bride kidnapping. Is bride kidnapping a custom or a crime? Key words: Abduction, crime, bride, gender inequality, social inequality
Saudação ao Professor Marc Gentilini, em sua posse como Honorário Estrangeiro da Academia Nacional de Medicina, em 28 de outubro de 2021
Authors: Daniel-Ribeiro Cláudio Tadeu
Published: March 2022

Excelentíssimo Senhor Presidente da Academia Nacional de Medicina - Acadêmico Rubens Belfort Mattos Júnior, Excelentíssimo Senhor Secretário Geral - Acadêmico Carlos Eduardo Brandão, Senhoras e Senhores Acadêmicos, Senhoras e Senhores convidados, Meu querido mestre e amigo Professor Marc Gentilini.
Infra − β − Closed(Open) Sets : New
Authors: A. Othman Hakeem
Published: March 2022

As applications on infra − β − open set for new classes of mappings and new concepts topological spaces are introduced, namely, infra- β−continuous, infra−β−irresolute, infra−β−open(closed) mapping, infra − β − τi (i = 0, 1, 2, 3, 4), infra − β − compact and
infra − β − connected space. Some of special results and properties which belong to these various applications are established and studied. Moreover, the relations and opposite relations between these new concepts and others are discussed and counter examples are given in order to investigate opposite relations.
Semi Analytic Solution of Hodgkin-Huxley Model by Homotopy Perturbation Method
Authors: Khan Khairunnisa , Syed Hisham bin Zubair
Published: March 2022

Hodgkin-Huxley model is a system of four non-linear coupled differential equations which describes and explains the threshold and action potential by a stimulus arising in a single neuron. The solution and analysis of Hodgkin-Huxley equations is a formidable task because of the coupling between non-linear differential equations, lots of unknowns and their dependence on many physical parameters. Although this model has
been solved by numerical methods, finding an analytic solution is interesting due to the challenges that the continuum model offers. In this paper, first order semi analytic solution of this model, in space-clamped situation, is derived by Homotopy Perturbation Method. We applied this technique in piece wise manner due to the strong and complex coupling between the variables in the model. Without this modification, finding an accurate analytic solution is impossible for this neural model. Results show
that computed analytic solution has excellent agreement with higher order
numerical solution. Robustness of the computed analytic solution in different physical scenarios is examined. Further, this analytic solution can
describe many key properties such as the threshold potential, the action
potential and the refractory period. MATLAB software is used to simulate
the solution.
Completion of Complex Valued Dislocated Metric Space
Authors: Tahir Muhammad , Sadaf Naila
Published: March 2022

In this paper, we prove an important property of metric space
which is the existence and uniqueness of completion. Firstly we gave
completion of a complex-valued dislocated metric space and then prove
its uniqueness.
Cytopathological characteristics for provoked lesions of squamous epithelia of the digestive system in animal models
Authors: Shestakova V. , Nigmatullina L. , Atadzhanov I. , Donskov S. , Kozlovskaya Yu. , Dolgopolov I. , Rykov M.
Published: March 2022

Relevance: Noticeable spreading of malignant neoplasms of the upper section of the digestive system and the worsening of these patients’ quality of life in case of late diagnostics stimulate the development of protocols for early detection of precancerous changes.
The purpose of the study was to investigate the morphological characteristics of changes in the squamous epithelium of the upper part of the digestive tube in model organisms under provoked carcinogenesis when exposed to substances with proven carcinogenic activity.
Methods: 40 female nonlinear white rats from the Orekhovo-Zuevsky urban settlement veterinary station were used as model organisms. The rats were divided into four equal groups. The first control group was not exposed to any specific influences. In groups 2-4, the rats underwent sedation and mechanical scarification microtraumatization of the oral mucosa. Then, they were applied twice a week by 0.9% NaCl solution (control group 2), 1% aqueous solution of dimethyl sulfoxide (DMSO, Akrikhin, Russia) (control group 3), or 1% aqueous solution of DMSO containing 0.1 mg/ml 4-nitroquinoline-N-oxide (4-NQO, Acros Organics, USA) (Experimental Group 4).
Results: The cytological picture associated with chronic trauma to the mucous membrane of the upper digestive tract was characterized by nonspecific reactions: inflammation, hyper- and parakeratosis, and atrophic changes. There were no statistically significant differences in the frequency of such changes between the experimental and control groups. Specific changes in squamous epithelium towards a precancerous state in the Experimental Group with chronic exposure to a substance with carcinogenic activity occurred significantly more often than in the control groups (p <0.05), as proven by the results of comparative histological verification. Conclusion: Cytological study could be used in clinical practice as a screening tool for precancerous oropharynx and upper esophagus conditions.
IL-2 in combination with immune checkpoints inhibitors as a promising approach for cancer immunotherapy: A literature review
Authors: Kiselevsky M. , Sitdikova S. , Petkevich A.
Published: March 2022

Relevance: Interleukin-2 (IL-2) alone has been shown to induce tumor regression and approved to treat metastatic renal cancer and melanoma. Checkpoint inhibitors realize their therapeutic effect through stimulation of immune system effectors. One of such mechanisms is the enhancement of IL-2 production by T-helpers.
The purpose of the study was to determine the effectiveness of IL-2 administration as a component of combined immunotherapy with immune checkpoint inhibitors and to suggest the mechanisms by which IL-2 can reduce the frequency and severity of side effects during checkpoint inhibitor therapy without reducing their effectiveness.
Methods: The literature search was performed in the PubMed, SCOPUS, and Web of Science databases by the keywords in article titles: “immunotherapy,” “checkpoint inhibitors,” “interleukin-2,” and “combination therapy” for the period 2011-2021.
A total of 248 relevant articles were found. The review’s inclusion criteria were: clinical cases; data of clinical research methods; data on humans/body fluids from humans; literature reviews and meta-analyses. The selected 24 articles met the search criteria and were included in the study.
Results: The combined action of IL-2 and сheckpoint inhibitors increases the proliferative and killer activity of the antitumor immunity effectors compared to the action of the same drugs in mono-mode at a level exceeding the summation effect.
Conclusion: The combination of IL-2 and сheckpoint inhibitors can increase the effectiveness of anticancer treatment and is a promising area of immunotherapy
Exploring intermolecular interactions in some halogen substituted formyl coumarins and their DFT studies
Authors: Singh Gulab , Hussain Khalid , Gaba Rekha
Published: March 2022

The present manuscript describes an in-depth analysis of various interactions present in the crystal structure of formyl coumarins using Crystal explorer 17.0. Element based interactions were quantified by the decomposition of generated 3D surfaces into 2D fingerprint regions. DFT methods were used to explore electrostatic parameters, global and local reactivity descriptors. Electrophilicity based charge transfer (ECT) analysis was done to explore the probability of charge transfer between formyl coumarins and DNA base pairs. The reactivity and selectivity of different formyl coumarins have been accessed using Fukui functions in their reduced form. Non-bonding orbital (NBO) analysis revealed the presence of various hyperconjugative interactions and their stabilization energy in formyl coumarins. Non-linear optical properties are presented in terms of first order hyperpolarizibility (β0), where maximum β0 is observed for C4 (1.64 × 10-30esu.) which is found to be 2 times greater than that of p-nitroaniline. Molecular electrostatic potential (MEP) plots are mapped in terms of electron density.
Antibacterial and antifungal studies of Zn-CaB as a promising antimicrobial agent incorporated health care and cosmetic products
Authors: Arunachalam A.L. , Induja S. , Parthasarathy V. , Raghavan P.S.
Published: March 2022

The Zinc doped calcium borate (Zn-CaB) was synthesized by the co-precipitation method. Zinc was known to exhibit a good antimicrobial effect without causing any environmental issues. However, the antimicrobial activity of zinc is relatively low as compared to silver or copper analogues. In the present investigation, an attempt was made to incorporate zinc in the matrix of calcium borates to enhance the antibacterial effect. Cosmetic products were made using the zinc-calcium-borates and the antibacterial/antifungal activity was evaluated and compared with the commercial products. The studies revealed that the antibacterial activity of Zn-CaB was equivalent to that commercially available product with a maximum of 99% reduction in bacterial strains and above 95% reduction in fungal strains. An attempt was made to incorporate a bacteriostatic effect on fabric by adding zinc-calcium-borates to detergent which exhibited prolonged antibacterial activity, even after 3 washing cycles. The cosmetic products were also evaluated for their thermal and photostability.
Modeling and simulation of friction stir welding process for AA6061-T6 aluminum alloy using finite element method
Authors: Lemi Muleta Tiki , Gutema Endalkachew Mosisa , Gopal Mahesh
Published: March 2022

Friction Stir Welding (FSW) is a process of welding materials that generates heat through friction. Plastic deformation, nonlinear material movement, tool-to-structural evolution friction, and heat production from friction and plastic deformation all have an impact on FSW operation. In this paper, thermo-mechanical characteristics of aluminum alloy AA6061-T6 during the FSW process were simulated based on COMSOL® software using a finite element approach. A conceptual model was created to interpret the thermal and structural analyses. According to the obtained results, the temperature rises on the top and bottom surfaces as the axial force increases but decreases along the line perpendicular to the weld direction. The overall temperature decreases as the forward welding speed rises within the acceptable induced temperature range of the workpiece, while the axial force and rotational speeds stay stable.
Design and kinematic simulation of automated mechanism for shallot planting
Authors: Phi Cao Hung , Dang Long-Cao , Trung Hau Le
Published: March 2022

The mechanization-oriented technology for shallot planting is a suitable solution which has a positive impact on changing the style of farming and reducing labor costs and increasing the efficiency in the process of planting shallot. In this research using an automatic planting device, the kinematics of shallot seed feed roller is calculated, designed and surveyed for correct positioning of the shallot in the created hole. This is done by the aid of Autodesk Inventor Professional and Matlab Simulink software. Working principle Diagram of planting shallot device is presented and the design parameters were optimized, and the stability of the suspension system used in the device was investigated.
Determinants of Non-Performing Loans (NPLs); Evidence from Banking Sector of Pakistan
Authors: Ul Hassan Khawaja Hisham , Sheikh Salman Masood , Ur Rahman Saif
Published: March 2022

The main aim of the current study is to theorize an inclusive assessment of the factors of non-performing loans from banking sector in the setting of Pakistan. In this connection, adequate criticism of contemporary literature is being provided in context of relevant macroeconomic indicators which might aggravate the level of Non-Performing Loans (NPLs) in the conventional commercial banks of Pakistan as well as other regions. As per the study of literature, it has been found that corruption, political stability, accountability, investment profile, credit bank to private area and energy crisis affects the NPLs of conventional banks. In addition, factors like lending interest rate, unemployment, GDP and inflation do explain the variation in NPLs of the banking sector. Political stability, lack of capital capability, lack of efficiency, nominal emphasis on NPLs and lack of efficiency are the present issues being faced by the country. On the other hand, an increase in NPLs affects the internal factors including efficiency, profitability, bank size and capital. It has also been found that NPLs surge through inaccurate decisions by the organizations and political intervention in the banking sector. As per the outcomes of the studies, it has been observed that operational productivity and effectiveness have an adverse and significant relationship with NPLs. The lawmakers should accomplish a vigorous financial state of banks through manufacturing extra revenues. In this way banks will be in a better position to explore the credit worthiness of the creditors which will be ultimately helpful for better loan management. Once the key factors for increase in NPLs are determined, the banks will establish stable and efficient policies for loan management. The purpose behind determining these internal as well as external factors is not mere to highlight their significance but to chalk out measures and directions to control the stability of banking sector and the financial structure.
TÜRKİYE’DE YAPILAN CERRAHİ HEMŞİRELİĞİ DOKTORA TEZLERİNDE HEMŞİRELİK MODEL VE KURAMLARININ KULLANIMI
Authors: YILDIZ Keriman , YÜKSEL Serpil
Published: March 2022

Hemşirelik model ve kuramları hemşirelik hizmetlerinin yürütülmesinde hemşirelere rehberlik etmekte, hemşirelik bakımında standart oluşturmakta ve hemşireliğe özgü araştırmalara yön vermektedir. Bu nedenle, hemşirelik araştırmaları, hemşirelik kuram ve modellerini test etme ve geliştirmeye odaklanarak hemşirelik bilimine katkı sağlamalıdır. Yapılan çalışmalar Türkiye’de kuram ve model kullanılarak yapılan araştırmalara sıklıkla lisansüstü tez çalışmalarında yer verildiğini ortaya koymuştur. Bu araştırmada, kuram veya model kullanılan Cerrahi Hastalıkları Hemşireliği doktora tezlerini incelemek, kullanılan kuram ve modelleri belirlemek amaçlandı. Tanımlayıcı tipteki bu çalışma 15 Mart-15 Mayıs 2021 tarihleri arasında yapıldı. Cerrahi Hastalıkları Hemşireliği doktora tezlerine Yüksek Öğretim Kurulu Başkanlığı Ulusal Tez Merkezi’nden ulaşıldı. Araştırmanın evrenini 1992-2021 yılları arasında Cerrahi Hastalıkları Hemşireliği Anabilim Dalı’nda yürütülmüş 161 tez oluşturdu. Tam metnine ulaşılamayan 7 tez, başlığında veya özetinde kuram veya model kullanımı belirtilmeyen 140 tez araştırma dışında bırakıldı. Araştırma kapsamında 14 tez incelendi. 1992-2021 yılları arasında Cerrahi Hastalıkları Hemşireliği alanında tamamlanmış 154 doktora tezinden %9.1’inde (n= 14) model kullanıldığı belirlendi. Model kullanılan Cerrahi Hastalıkları Hemşireliği doktora tez sayısının 2013 (n= 3), 2016 (n= 3) ve 2018 (n= 3) yıllarında daha fazla olduğu saptandı. En yaygın kullanılan modellerin Roy Uyum Modeli (%50, n=7) ve Günlük Yaşam Aktiviteleri Modeli (%15, n=2) olduğu belirlendi. Tezlerde kullanılan diğer modellerin, Vaka Yönetimi Modeli, Orem’in Öz Bakım Modeli, Güçlü Yönlere Dayalı Bakım Modeli, ADDIE Tasarım Modeli ve L.E.A.R.N.S. Modeli olduğu saptandı. Araştırma bulguları, Cerrahi Hastalıkları Hemşireliği doktora tez çalışmalarında kuram ve model kullanımının istendik düzeyde olmadığını ortaya koydu.
Tác động của quyền lực giám đốc điều hành đến quản trị lợi nhuận tại các công ty niêm yết ở Việt Nam
Authors: Diễm Ngô Nhật Phương , Hạnh Thái Trần Vân , Nghi Trương Thảo , Nga Đỗ Thị Thuý
Published: March 2022

Bài viết được thực hiện nhằm đánh giá tác động của quyền lực giám đốc điều hành đến hành vi quản trị lợi nhuận tại các công ty niêm yết ở Việt Nam trong giai đoạn 2016 đến 2020. Nghiên cứu sử dụng dữ liệu của 485 công ty niêm yết trên hai sàn chứng khoán HOSE và HNX thông qua hồi quy dữ liệu bảng với biến phụ thuộc đại diện đo lường quản trị lợi nhuận theo mô hình Dechow và cộng sự (1995) và Kothari và cộng sự (2005). Kết quả nghiên cứu thừa nhận quyền lực giám đốc điều hành có tác động tích cực và có ý nghĩa đến quản trị lợi nhuận (theo mô hình Dechow và cộng sự, 1995), có nghĩa là giám đốc điều hành vừa là nhà sáng lập và có chuyên môn về tài chính có khả năng làm tăng hành vi quản trị lợi nhuận. Ngoài ra, nghiên cứu cũng cho thấy, các biến kiểm soát như tỷ suất sinh lời trên tài sản, dòng tiền thuần từ hoạt động kinh doanh cũng có tác động đến quản trị lợi nhuận tại cả hai mô hình đo lường dồn tích bất thường. Như vậy, kết quả nghiên cứu đóng góp rất lớn trong xây dựng cơ chế quản lý hiệu quả, góp phần giúp các chủ sở hữu có các chính sách thích hợp nhằm nâng cao chất lượng thông tin trên báo cáo tài chính và hạn chế quản trị lợi nhuận.
Tác động của chất lượng dịch vụ đến hình ảnh thương hiệu trường đại học và ý định hành vi của sinh viên: Trường hợp nghiên cứu trường Đại học Tài Chính-Marketing
Authors: Giang Nguyễn Thị Thùy , Giang Trần Thị Trà , Huyền Nguyễn Thị , Loan Bùi Thị Tố , Anh Nguyễn Trần Tú
Published: March 2022

Chủ đề xây dựng hình ảnh thương hiệu mạnh đã thu hút sự quan tâm của nhiều nhà nghiên cứu trong những năm gần đây, nhưng có rất ít nghiên cứu liên quan về hình ảnh thương trường đại học tiếp cận theo thái độ của sinh viên. Nghiên cứu này nhằm kiểm định sự tác động của chất lượng dịch vụ đến hình ảnh thương hiệu và ý định hành vi của sinh viên thông qua biến trung gian sự hài lòng: trường hợp nghiên cứu tại trường Đại học Tài chính - Marketing. Nghiên cứu được tiến hành qua các giai đoạn định tính để điều chỉnh thang đo, định lượng sơ bộ và định lượng chính thức. Dữ liệu nghiên cứu được thu thập từ 487 sinh viên các khoa trường đại học Tài Chính – Marketing và kiểm định qua sử dụng phần mềm Smart PLS. Kết quả nghiên cứu cho thấy chất lượng dịch vụ tác động trực tiếp đến sự hài lòng và hình ảnh thương hiệu, nhưng tác động gián tiếp đến ý định hành vi thông qua sự hài lòng. Ngoài ra, sự hài lòng và hình ảnh thương hiệu tác động trực tiếp đến ý định hành vi. Trên cơ sở kết quả nghiên cứu, nhóm tác giả đề xuất các kiến nghị đến lãnh đạo nhà trường.
Vai trò của đầu tư công đối với đầu tư tư nhân và tăng trưởng qua các hệ số thu hút và lan tỏa
Authors: Liên Nguyễn Thị Thuỳ
Published: March 2022

Bài nghiên cứu xem xét vai trò của đầu tư đối với đầu tư tư nhân và tăng trưởng kinh tế qua các hệ số thu hút và lan tỏa. Sử dụng số liệu thống kê giai đoạn 1990-2019, cùng với tính toán các hệ số, nghiên cứu đã cho kết quả, đầu tư công là đầu tư vào cơ sở hạ tầng được xem như là vốn mồi để thu hút đầu tư tư nhân vào sản xuất kinh doanh. Hệ số thu hút của đầu tư công đối với đầu tư tư nhân và đầu tư sản xuất kinh doanh đang có xu hướng tăng nhanh sau giai đoạn 2001-2005 cho thấy, vai trò của đầu tư công tiếp tục mang tính chủ đạo, dẫn dắt, thu hút, lan tỏa vốn xã hội. Tuy nhiên, hệ số ICOR còn cao, thể hiện đầu tư công nói riêng và đầu tư xã hội nói chung còn kém hiệu quả. Đầu tư công vào các ngành hạ tầng như xây dựng, vận tải, kho bãi, viễn thông và ngành điện có các hệ số liên kết ngược, liên kết xuôi cao, có tác động kích thích các ngành khác phát triển, thu hút đầu tư tư nhân vào các ngành kinh tế có hiệu quả cao. Trên cơ sở các kết quả nghiên cứu trên, bài báo đã đề xuất các kiến nghị với Nhà nước cần tập trung ngân sách và huy động nguồn lực xã hội cho đầu tư công, và đầu tư công nên tập trung vào các ngành hạ tầng sẽ có hệ số lan toả cao, thúc đẩy lôi kéo các ngành khác phát triển.
Thực trạng lập kế hoạch tài chính hưu trí: Trường hợp giáo viên mầm non và tiểu học tỉnh Hà Nam
Authors: Tuệ Nguyễn Đăng , Thái Nguyễn Đình
Published: March 2022

Lập kế hoạch tài chính hưu trí ngày càng được quan tâm rộng rãi trên thế giới trong thực tiễn và nghiên cứu về tài chính cá nhân nhưng còn khá mới ở Việt Nam. Bài viết này phân tích hoạt động lập kế hoạch tài chính hưu trí cho đối tượng giáo viên mầm non và tiểu học ở tỉnh Hà Nam. Số liệu được thu thập thông qua điều tra chọn mẫu ngẫu nhiên theo địa bàn với số quan sát 51 trên tổng số 57 phiếu khảo sát được phát. Kết quả nghiên cứu cho thấy, hoạt động lập kế hoạch tài chính hưu trí đang gặp phải rất nhiều hạn chế ở các khía cạnh như hiểu biết về các chính sách hưu trí, khả năng ước tính chi phí và thu nhập trong giai đoạn hưu trí, chịu trách nhiệm lập kế hoạch hưu trí, cách thức lập kế hoạch tài chính hưu trí và tiếp cận với sản phẩm tài chính dành cho hưu trí. Các giải pháp và chính sách cần được thực hiện đồng bộ để có thể cải thiện hoạt động lập kế hoạch tài chính hưu trí cho nhóm đối tượng này.
Churn in services – A bibliometric review
Authors:   Aveiro University. Department of Economics, Management, Industrial Engineering, and Tourism – hugo.ribeiro@ua.pt, Ribeiro Hugo , Barbosa Belém ,   University of Porto. School of Economics and Management – belem@fep.up.pt, Moreira António C. ,   Aveiro University. Department of Economics, Management, Industrial Engineering, and Tourism – amoreira@ua.pt, Rodrigues Ricardo ,   Universidade da Beira Interior, Department of Business and Economics – rgrodrigues@ubi.pt
Published: March 2022

The purpose of this article is to identify the most impactful research on customer churn and to map the conceptual and intellectual structure of its field of study. Data were collected from the WoS database, comprising 338 articles published between 1995 and 2020. Several bibliometric techniques were applied, including analysis of co-words, co-citation, bibliographic coupling, and co-authorship networks. R software and the Bibliometrix/Biblioshiny package were used to perform the analyses. The results identify the most active and influential authors, articles, and journals on the topic. More specifically, through co-citations and bibliographic coupling, it was possible to map the oldest articles (retrospective analysis) and the current research front (prospective analysis). The retrospective analysis, based on co-citations, revealed that the foundations of this research field are constructs such as quality of service, satisfaction, loyalty, and changing behaviors. The prospective analysis, performed through bibliographic coupling, revealed that current research is embedded in predictive analysis, clusters, data mining, and algorithms. The results provide robust guidance for further investigation in this field.
The Role of Emotional Intelligence in Predicting Peer Relationships in Adolescents
Authors: Güler Bahar , Turan Serhat
Published: March 2022

The aim of the research is to determine how much peer relationships are explained by emotional intelligence in adolescents. For this purpose, 539 (283 female+256 male) adolescent individuals participated in the study. “Personal Information Form”, “Trait Emotional Intelligence—Adolescent Questionnaire Short Form (TEIQue-ASF)” and “Friendship Qualities Scale” were used as data collection tools in the research. The data collected online were coded and transferred to the SPSS program, and descriptive statistics, Pearson correlation and Regression techniques were used in statistical analysis. In the study, the level of significance was taken as p < .001. According to the results of the analysis, it was determined that there was a positive, significant and low-level correlation between emotional intelligence and peer relationships (r = .283, p = .000). As a result of the regression analysis, in Model 1, TEIQue-ASF explained 7.8% of the total variance of Friendship Qualities; In Model 2, on the other hand, TEIQue-ASF explained 12.7% of the total variance regarding Friendship Qualities, the variables of gender and playing in the school team. As a result, it can be said that emotional intelligence is an important factor for peer relationships in adolescents.
Language Awareness Among Undergraduate Sports Sciences Students
Authors: Demir Ayse , Inal Ezgi
Published: March 2022

The ability of individuals to feel part of their culture highly depends on the extent to which they can use their native language and how they can manage linguistic processes. In this context, regardless of occupation or age, one needs to use the language in daily communication—an element maintaining the social order—correctly and in accordance with the language-specific rules. The aim of this study was to explore language awareness among undergraduate sports sciences students. A total of 205 students enrolled at schools of sports sciences in Istanbul, 64.9% (n = 133) were males and 35.1% (n = 72) were females, voluntarily participated in the research. We collected the data using a demographic information form and the “Everyday Language Awareness Scale”. The 5-point Likert-type scale consists of 17 items within four sub-scales. While showing the frequencies of the responses to the scale items, we used an independent-samples t-test and one-way analysis of variance (ANOVA) to analyze the participants’ scores by their demographics. We calculated Cronbach’s alpha for the total score to be 0.86. Overall, we concluded that the participants had significantly higher awareness of the Turkish language by their total and subscale scores.
Teacher Perceptions toward Professional Learning Community on the Development of Thai Students’ 21st Century Skills
Authors: Worapun Wittaya , Khamdit Sinthawa , Siridhrungsri Pinsuda
Published: March 2022

The 21st century skills are important matters in education management in the upcoming era, and they need cooperation among stakeholders of an educational context to be developed. The purpose of the study is to study teacher perceptions toward professional learning community (PLC) in developing 21st century skills of students in Thailand. The samples were 1154 teachers from 376 schools in 17 provinces selected by a purposive sampling method in Thailand. The instruments were a professional learning community activity among teaching staff in the school and a questionnaire for teachers’ perception of the method. The data were analyzed using percentages, mean scores, and standard deviation. The results of the study indicate that the perception of teachers on students’ 21st century skills after the PLC was at a high level (x̄ = 4.30) and higher than before the PLC which was at an average level (x̄ = 3.15). The results of the study could be summarized to indicate the positive perception of teachers in using the professional learning community as a school managerial method in developing skills and morality of the 21st century. It could also be concluded that collaboration and idea-sharing among teaching staff and administrators were the keys to success. Therefore, the results of the study could be implicated in school management that aims to develop students’ 21st century skills.
The impact of Pandita training on the skill of performing Buddhist rituals
Authors: Budiyanto  , Taridi
Published: March 2022

This study aims to explore the impact of pandita training on the skill of performing Buddhist rituals. Rituals or ceremonial acts are not inherently religious. Rituals play a role in relieving social pressures and strengthening the collective bonds of a group. Rituals are performed in various forms, including the tradition of lighting candles or incense, wearing certain clothes, and sitting, standing, or kneeling during praying. The most common of all rituals is the initiation ceremony which marks a stage in the human life cycle. The type of research used in this study is descriptive quantitative research. The data analysis technique was carried out in several stages, including the following: 1) validity test technique to determine the validity of the moment item, using product moment analysis; 2) the instrument's reliability test uses the Alpha formula; 3) simple regression model is chosen to measure the effect of religious training variable (X) on skills to lead religious activities (Y). Based on data analysis, it can be concluded that the training of Pandita can improve the skills of Pandita in performing rituals.
The influence of mindfulness and Buddhist rituals on the spirituality of students at STAB Maitreyawira Pekanbaru
Authors: Chowmas Dharmaji , Adi W Gunawan  , Sutikyanto
Published: March 2022

The background of this study was the importance of the role of spirituality for students as the young generation. Nowadays, students experience academic stress, reducing academic achievement, reducing motivation, and increasing the risk of dropping out of school. This study was conducted to obtain an overview of the influence of mindfulness and Buddhist religious rituals on students' spirituality. The sample for this study was 106 students at STAB Maitreyawira Pekanbaru, which consisted of 3 batches, namely 2020, 2019, and 2018 batches. The data collection instrument was a closed questionnaire. This study was done quantitatively and analyzed by Pearson correlation test and multiple regression analysis. The results of data analysis showed that the higher the awareness and the higher the Buddhist religious rituals, the higher the spirituality of students at STAB Maitreyawira Pekanbaru and vice versa. This study concluded that students' spirituality could be improved through increased mindfulness and Buddhist religious rituals, either individually (alone) or jointly (together).
Detecção e contagem automáticas de leveduras viáveis e inviáveis utilizando técnicas de visão computacional
Authors: Boechat Gomide João Victor , Cunha Elton Vieira , Gomide Guilherme Boechat
Published: March 2022

Este trabalho apresenta o desenvolvimento de um sistema de visão computacional que identifica e conta automaticamente as leveduras de cerveja viáveis e inviáveis. O objetivo é melhorar o tempo e a precisão dos resultados obtidos, em comparação com o método de contagem manual por especialistas comumente realizado na indústria cervejeira. O equipamento utilizado consiste em uma câmera de vídeo digital acoplada a um microscópio óptico, que transmite as imagens capturadas, em tempo real, para o computador. Duas abordagens foram testadas e implementadas, uma levando em consideração a morfologia e a cor das leveduras, e a outra usando aprendizado de máquina. Embora existam programas que contam leveduras automaticamente, este é o primeiro aplicativo que faz uso de técnicas de rede neural convolucional com Yolo para identificar leveduras, tornando os resultados mais precisos e confiáveis em comparação com métodos manuais. Experimentos foram realizados para medir o desempenho e a precisão do protótipo, que são apresentados neste artigo.
Ground Water Table Monitoring in North Selangor Peat Swamp Forest, Selangor, Peninsular Malaysia
Authors: Lo Julia
Published: March 2022

Monitoring of ground water table in North Selangor Peat Swamp Forest was undertaken for 3 years period from December 2013 to December 2016. This is part of the initiative to monitor GWL in a peat swamp forest under different vegetation i.e., logged over forest, degraded open peatland as well as other land use such as smallholder oil palm. The effect of drainage on the GWT is also analyzed. The result showed that GWT fluctuates throughout the year, often correlate with rainfalls. 2014 is the dry year comparatively and it was reflected in the lowest GWT recorded in all transects. Forested area showed highest GWT whereas oil palm smallholder cultivation area had the lowest GWT; relatively higher GWT recorded in degraded open area most likely due to loss of peat surface caused by repeated fire in the past. Drained canals that were located within the peat swamp forest negatively affected the GWT. Overall, GWT recorded in NSPSF show negative value in most of the months except for November and December, a typical result for a peat swamp forest which had been drained.
A Disney Requiem? Iterations of the “Dies irae” in the Score to The Lion King (1994)
Authors: Trocmé-Latter Daniel
Published: March 2022

In Hans Zimmer's score to The Lion King (1994), the “Dies irae” melody not only functions as a standard shorthand for death (as in many scores) but is also of underlying structural importance in several of the film's cues. Thus, the tune retains a sense of secularized association with death while reclaiming some of its spiritual associations with the Requiem Mass.
RESEARCH OF THE ERROR OF MEASUREMENT OF THE ANGLE OF THE PHASE SHIFT OF SINUSOIDAL SIGNALS /ИССЛЕДОВАНИЕ ПОГРЕШНОСТИ ИЗМЕРЕНИЯ УГЛА ФАЗОВОГО СДВИГА СИНУСОИДАЛЬНЫХ СИГНАЛОВ
Authors: Mamikonyan B. , Mamikonyan Kh.
Published: March 2022

The paper touches upon the technique of theoretical study of the error in measuring the phase shift angle of sinusoidal signals by a microcontroller. A mathematical model has been obtained that makes it possible to determine the 39 limit of the acceptable measurement error, depending on the parameters of the signal and the microcontroller./Изложена методика теоретического исследования погрешности измерения угла фазового сдвига синусоидальных сигналов микроконтроллером. Получена математическая модель, позволяющая определять предел допускаемой погрешности измерения в зависимости от параметров сигнала и микроконтроллера.