bluuebunny/crossref_metadata_2025 huggingface dataset:
THE USE OF E-LEARNING SYSTEMS IN THE FIELD OF TEXTILE ENGINEERING IMPOSED BY THE PANDEMIC
Authors: Buhu Adrian , Buhu Liliana , Negru Daniela
Published: February 2023

The rapid closure, due to the COVID-19 pandemic, of university campuses in China and other parts of the world has necessitated the creation and virtual delivery of a large number of courses and hands-on activities. Even if this transition has generated inevitable problems, some due to the first use of this way of working, the question is whether the future will not become just a continuation of the present. The 2020 is a special year for education worldwide. The crisis generated by COVID-19 has massively influenced the way of carrying out the educational activities in the Romanian universities. The closure of the activity on March 11, 2020 had a massive impact on the way of teaching, which was mainly carried out face to face. In this paper it will present a situation encountered in teaching a technical course, within the Faculty of Industrial Design and Business Management in Ia?i, respectively the transition from the classic activity to the one carried out online. The authors will provide a description of how the participants in the didactic act have adapted to the new requirements. An effort was needed to adapt teachers and students to the new technology, and adapting a face-to-face course to an online course requires a series of preparation steps. The most important is to restructure the content so that it meets the requirements of a learning management platform, such as Moodle. These steps consisted in fragmenting the content of the courses, creating activities to facilitate asynchronous learning, creating specific content for practical activities and also had to adapt the assessment methods.
INTERACTIVE GUIDE FOR STUDY THE VIBRATIONS PROTECTION TEXTILE MATERIALS
Authors: Grosu Cristina , Scarlat Razvan victor , Stefan Eduard ionut , Blaga Mirela
Published: February 2023

Each of us is exposed to extremely low vibration frequencies on a daily basis during ordinary activities such as bus, train, or tram rides, but the uncomfortable condition or discomfort perceived as motion fatigue may be ignored or cease as soon as exposure to the vibration source ends. However, there is a special category of the population, namely workers who are occupationally exposed to vibration from handling instruments that emit vibration or from driving heavy vehicles, who may exhibit a number of clinical manifestations leading to occupational diseases due to repeated and prolonged exposure. Since understanding the phenomenon of vibration, assessing the risk of exposure and taking preventive and protective measures is a critical matter that requires interdisciplinary knowledge, the authors have developed the application entitled "Online Guide to Vibration Protection Products", which is available as training material at the following web address: http://bibliodoc.ro/vibratiimaterialetextile/. This guide is an educational online resource for all stakeholders involved in the development of protective equipment against the effects of vibration. These are textile engineers, professionals responsible for ensuring health and safety in areas of activity where workers are exposed to occupational vibration, and mechanical engineering professionals. The online application consists of six main chapters. The first chapter provides basic concepts on the phenomenon of vibration, the second chapter describes the category of anti-vibration products available on the market, and the third chapter highlights the potential of textile materials for vibration control. The concluding chapters offer those interested the opportunity to explore the phenomenon of vibration in greater depth by consulting additional documentary sources. The chapter on self-assessment tests is extremely useful for testing knowledge by solving the grid test with immediate feedback.
VIRTUAL REPRESENTATION OF THE KNITTING PROCESS
Authors: Ionesi Savin dorin , Ciobanu Luminita , Ursache Mariana , Dulgheriu Ionut
Published: February 2023

The need for online courses amplified by the pandemic situation has brought up a difficult issue with engineering training: the need for the students to interact with mechanisms and machinery in general, in order to understand the working principles, detailed structures and design.
The current paper takes into consideration how to solve this problem applied to the activity into laboratories of knitting fundamentals. One of the most important subjects, with use in other courses, is the definition and characterization of the knitting trajectories specific for latch needles in weft knitting machines.
The students must understand how the needles move under the action of the knitting cam system in order to obtain normal stitches, tuck stitches and miss stitches. These are common to all knitted structures.
In order to present online the needle trajectories explained in the laboratories, an interactive simulation of each trajectory was developed using the SketchUp 3D modelling application. Each model is based on the detailed reproduction of the ensemble made of the needle bed, the latch needles and the cam system. The needles interact with the cam system and can be pushed up to the knock over position, tuck position or are left into the needle bed without working.
In the first stage the students visualized the positions of the latch needles in the needle bed and also the virtual representation of the cam system. The trajectories of the needles are simulated emphasizing the cam positions. In the second stage the students must change the cam positions in order to obtain different trajectories.
SOFTWARE SYSTEM FOR THE ANALYSIS OF COMFORT PARAMETERS IN SUSTAINABLE TEXTILE FINISHING WITH A SERIES OF NATURAL DYES
Authors: Budeanu Ramona
Published: February 2023

A strong and current research concern aims at the development of sustainable processes and products made from natural materials, such as natural fabrics and natural dyes. Ecological dyeing with natural dyes is a topical issue in the field of textile finishing. Currently, the role of finishing in textile dyeing has become increasingly demanding, requiring a careful balance between the compatibility of different finishing products and the application of the processes used, having the purpose of offering textiles important comfort characteristics. In this context, the problem to be solved concerns finding the balance regarding the compatibility of textile materials with different finishing products and processes used for this purpose. The experimental research carried out in this paper aims at analysing the parameters of thermosphysiological comfort in case of linen and hemp fabrics after the dyeing process with natural dyes Madder Rubia, Logwood, Weld, Cochenille, Chlorophylle. The paper suggests the development of a software system composed of an online MySQL database server, and a desktop application, running on the Windows operating system, developed on the .NET platform, using the C # programming language. This software system aims at storing and determining comfort features such as resistance to vapor passage, resistance to air passage, by saving and using the necessary values through the database created. The database is designed in such a way that it can be extended to other types of textiles and dyes, as well as to other experimental values for comfort features. The final results will appear in the "data" table for the observation, interpretation and choice by users, in order to be used for developing sustainable clothing products. The software system was created both with the purpose of calculating and storing the experimental results obtained, in order to be used by researchers, students and specialists in the field, as well as of finding fabrics dyed with natural dyes, which are optimal in choosing the best options to be suggested for the development of textile products in a sustainable and ecological context. At the same time, this software system can be used both in research activities the results of which would result in the obtainment of sustainable products, and as an e-learning tool in teaching-learning activities.
FOOTWEAR BEHAVIOUR DURING WALKING
Authors: Seul Arina , Mihai Aura , Curteza Antonela , Sarghie Bogdan
Published: February 2023

This paper is an extension of the study entitled "Finite Element Analysis in Footwear Engineering-Part 1". The entire work presents how Finite Element Analysis (FEA) could be used in footwear engineering education as a sustainable tool to predict the designed product's behaviour before its manufacturing. Simulating the human walking movement helps to understand how certain combinations of materials or design parameters and decisions influence the final product. While the first part of the study is based on the description of pre-processing stages such as choosing equipment and materials, modelling and editing the geometry, the current paper describes the simulation and post-processing stages: setting the analysis requirements including connecting and loading conditions of the model, solving the model and analysing the results. The procedure is described based on three models of the same constructive type, namely Derby shoe. The position of the bar stitch varies in a vertical direction. The Static Structural analysis module of the ANSYS software application is used to simulate the behaviour of models and material structures. Each model's behaviour is analysed for three phases of the gait: heel strike, stance, and push off. Two parameters are evaluated and compared: total deformation and equivalent Von Mises stress, that allow estimating the strength of the seam, stress distribution, and deformation of the structure. The analysis shows changes in each phase of the gait under the influence of body weight. The methodology presented in this paper allows performing simple simulations without deepening on advanced mathematics, numerical methods, and computational implementation.
A PROPOSAL FOR ISOTHERMAL MODEL SELECTION, A HEURISTIC APPROACH
Authors: Arotaritei Dragos , Ilea Mihai , Carmen lucia Trinca , Gheorghita Andrei
Published: February 2023

There are many mathematical models for sorption isotherms, with some practically application in the food chemistry. In this case, an isotherm describes a relationship (linear or nonlinear) between moisture content and water activity in a certain type of food. The hysteresis for a typical food product is taken into account with educational objective: a better understanding of the sorption process. Depending of the food chemical composition, the relationship between water activity and water content can be simple of very complex, a large number of models having been proposed to cover a large variety of curves. There is no a clearly classification of types of isotherms but using the literature a structure based of four classes of models is proposed to user for selection: absorption empirical models, models based on Polanyi's theory, chemical adsorption isotherms and physical adsorption isotherms. The relationship between water activity and food moisture content is complex, depending on the food chemical composition; there is a particularly class of isotherms. A good choice is a difficult task and furthermore, some of the parameters could be inadequate for some experimental data related to some type of food based only on the analysis of shape. The user will have the opportunity to do the agreement among possible solution for the problem given by a set of models according to physical meaning of the process. The finding of the most fitting parameters of the model, no matter of the method depends on the initial condition from where starts the search algorithm. A combination of statistical methods, linearization and heuristics are used to find the most suitable initial solution in order to have a convergence of to optimal parameters that fit best the experimental data. In order to increase the generality, the didactical tool includes the most known models of sorption that is, the processes of adsorption, desorption and absorption in general.
EDUCATIONAL TOOL FOR MULTIPLE ATTRIBUTE DECISION MAKING IN BIOMEDICAL ENGINEERING USING FUZZY TOPSIS AND FUZZY VIKOR
Authors: Ilea Mihai , Turnea Marius , Arotaritei Dragos , Corciova Calin
Published: February 2023

Multiple Attribute Decision Making (MADM) is an intensive area of research subject and applications both with many methods applied both in for crisp numbers and in condition of uncertainty, that is, fuzzy framework. In this last case, fuzzy linguistic variables and fuzzy numbers (triangular, trapezoidal or generalized fuzzy) are the along with arithmetic operations are the most common approaches. Depending on distance similarity between fuzzy numbers, the results, no matter the proposed methods, can have slightly different results in intermediary matrices of fuzzy numbers used in calculation. Despite of MADM popularity and usage, in many papers the part that show intermediary results in matrix of fuzzy numbers cover pages and, in this form, it is difficult for the reader to follow all the values in the process of learning these methods. More, if the matrices have higher dimensions and a user (student, e.g.) wants to test some hypothesis, the reproduction of algorithms can be very difficult because of abundance of data. An educational tool is proposed especially for biomedical engineering students, in this stage of development made by two modules: Fuzzy TOPSIS method and fuzzy VIKOR method. Two types of fuzzy numbers are taken into account (triangular fuzzy numbers and trapezoidal fuzzy numbers) and three distance similarity between fuzzy numbers (vertex method, Hausdorff metric and normalized Hamming metric) are three options proposed to used. The user interface (GUI) offers the possibility to visualize all the matrices involved in methods, the steps of algorithms, and also the possibility to select a particular index from matrices.
FACIAL ANALYSIS METHOD FOR EMOTION RECOGNITION USING LBP OPERATOR
Authors: Pastea Denisa , Suciu George
Published: February 2023

In terms of interpersonal relationships, emotional expressions are vital to the development and regulation, and to sustain this, there are three examples that facial expressions should be involved in the formation of attachments, regulation, and acceleration or deceleration of aggression. Talking about human beings, the face is the body part that reveals the most information about the person itself. The face can give details about intention and attentiveness, about mood, and, on the other hand, the face is the main path in recognition of a person. In a word, the face is the most distinctive and the most used method in finding a person's identity. It will be implemented a method for basic emotion recognition (happiness, sadness, anger, surprise, disgust, fear, neutral) in pictures with facial expressions will be implemented. The method will start with face detection and face fiducial points localization using DLIB public library. The Local Binary Patterns (LBP) features will be computed in areas of interest on the face and the classification will be done using a support vector machine (SVM). Pictures in which the person has a neutral expression and, respectively, pictures in which the expression is at the apex of the emotion will be used. The method will be tested on a public database containing sequences of images starting from the neutral expression and going to the apex expression for different persons. The classifier will be tested in different scenarios: leave-one-person-out, leave-one-sequence-out, etc. The implementation will be done in Python and it will be used OpenCV, DLIB and LibSVM public libraries.
ANALYSIS AND FORECASTING OF BURULI ULCER DISEASE WITH ARIMA AND NARNN, A DIDACTIC TOOL APPROACH
Authors: Rotariu Mariana , Condurache Iustina , Ionite Catalin , Turnea Marius
Published: February 2023

Mycobacterium ulcers (MU) is pathogenic bacterium transmitted in aquatic environments that produces dermal ulcers, commonly known as "buruli ulcers" via complex networks of ecological interactions that can be modelled by compartments. The prevalence of aquatic insects and arsenic concentration are factors that determine the geographical spread of MU infection. Three approaches are taken into account: one based on a compartment model that led to a system of differential equation usually solved by numerical methods, an autoregressive integrated moving average model (ARIMA) and the third one based on neural networks, Autoregression Neural Network (NARNN). Other model as Long-Short Term Memory (LSTM) approach is taken also into account. A GUI (Graphic User Interface) is proposed to facilitate the access to students to models in a friendly manner. The mechanism of transmission and the compartments are not fully elucidated, so models that take into account the regression of the curve of incidence can be a useful tool to predict the epidemic evolution of buruli ulcer (BU). The dynamics of models can be controlled by saturated treatment function or other measures that limit the proliferation of vector of transmission like bugs. The experiments take into account real data published on official site and the most common measure of goodness of fit are included in tool: R2 and MSE (Mean Squared Error). Other error measures are enumerated but the relevance for proposed tool is relative reduced. The last two type of models proved to be enough accurate when the data are enough long as time series approach. Further developments of the tool are envisaged and other measures of fitness are taken into account along with optimization of parameters to fit the model based on ODEs.
AN EDUCATIONAL APPROACH FOR MATHEMATICAL MODELS OF COVID-19 PROPAGATION: ODE AND NEURAL NETWOKS
Authors: Turnea Marius , Rotariu Mariana , Gheorghita Andrei , Robert Fuior , Condurache Iustina
Published: February 2023

A special type of coronavirus responsible for respiratory illness was first discovered in Wuhan, China in December 2019 and shortly is spreading in the world. Even few vaccines have been developed, actually their effects are not completely studies during few years over a large population, and it is possible that this pandemic to be seasonal in the future, in a similar manner like the flu. An educational tool will be useful for students and research to learn the model of spreading the disease, especially for biomedical engineering students that have knowledge both about the infectious diseases and mathematical modelling. An educational tool for recurrent waves of COVID-19 disease is proposed. The tool uses two general types of models: a compartment one that can be translated in a system of ordinary differential diseases (ODE) and neural network ones. The asymptomatic compartment and quarantine along with possibility of re-infection is taken into account in both models. The lockdown is simulated using few types of continuous function instead on constant transmission rate of disease. A graphic user interface (GUI) is constructed in order to offer to user an intuitive manner to user learn the COVID-19 models. The tool offers the possibility to choose the parameters of models and suggestion for equilibrium stability to the disease-free and endemic equilibrium and calculation of basic reproduction number. A predefined set with collected data for few countries was downloaded from site that maintains the evidence of cases in the world, but also new collected data by user can be loaded into tool to test the models.
USEFULNESS OF THE KAHOOT! DIGITAL TOOL IN THE PHYSICAL EDUCATION AND SPORT LESSON IN ONLINE UNIVERSITY EDUCATION
Authors: Grigoroiu Carmen , Pelin Raluca anca , Branet Camelia , Pricop Adriandaniel , Teodora Wesselly
Published: February 2023

The purpose of the study was to analyse the perception of students from the Politehnica University of Bucharest on the usefulness of implementing gamification through the Kahoot! tool for assessing their theoretical knowledge acquired during online physical education and sport lessons. The study was conducted during online physical education and sport classes in the 2020-2021 academic year on a sample din 934 first-year students (aged 18-20) from the Politehnica University of Bucharest. To consolidate and verify their theoretical knowledge acquired during classes, we used the Kahoot! digital tool. In the first semester, 10 educational games were designed on the Kahoot! platform. In order to assess the level of student satisfaction with the usefulness of the Kahoot! tool during online physical education and sport lessons, we used an 8-item questionnaire survey. Through this questionnaire, students confirmed that the use of Kahoot! had a positive impact on the acquisition and assessment of their theoretical knowledge in the field of physical education and sport, as well as on increasing their ability to focus and actively participate in the lesson. The results of this study highlight that the Kahoot! educational game is a practical and feasible instrument for knowledge assessment, which has increased the attractiveness of online physical education and sport lessons and allowed the teacher to perform a formative assessment of the information acquired by students. Based on the feedback provided by students, we can state that the Kahoot! tool is a viable, easy and fun e-learning option, which can be successfully used as an additional element in the physical education and sport lesson conducted in the online environment. Implementation of the Kahoot! tool fostered the teaching-learning process by improving the acquisition of new content and providing an appropriate assessment system.
THE TACTICALPAD SOFTWARE USED IN THE TRAINING OF A PROFESSIONAL FOOTBALL TEAM HAS A DECISIVE CONTRIBUTION IN OBTAINING PERFORMANCE
Authors: Panait Ciprian
Published: February 2023

This work is aimed to determine the efficiency of the use of TacticalPad software in the preparation of a professional team. Study of the literature revealed a number of technical means, which offer a wide range of options to the coaches, in order to objectify and direct the preparation process. The practical experience in performance football has allowed me to identify the software mentioned above, as distinct means, which stands out from the multitude of technical solutions already existing, by the option that allows the user to create football-specific exercises in the form of 2D and 3D graphics and what is even more important, to present the means created in motion, this option being the one that exceeds the technical limitations of most existing software.
The study involved the implementation of TacticalPad in the performance strategy of a professional premier league club in Oman, being used during the preparation period, the pre-competitive period and the beginning of the competition period. The above mentioned software has been used 4 times in the preparation process structured on 6 or 7 days microcycles, as follows:
1. creating the means of training in 2D, 3D format and presenting in motion these means, before the start of the training, in the standard, usual presentation of the program;
2. tactical analysis of specific training moments;
3. scouting;
4. tactical analysis of training and official games;
The results obtained and the quality of the game of the team to which we implemented TacticalPad, can be a starting point in the continuous development of football performance, advocating for the use of this application in training and competitions, based on the considerations mentioned at length in this paper.
CASE STUDY REGARDING THE MONITORING OF THE TRAINING OF SPORTS ATTACHERS OF THE SKEET 125 MEN'S PLATES
Authors: Serban Catalin , Gozu Bogdan
Published: February 2023

Abstract:The purpose of this paper is to emphasize the usefulness and efficiency of the use of the electronic training monitoring system SUUNTO, in evaluating the specific effort of training and competition in the test -Skeet 125 men's plates. Used for the first time in sports shooting in Romania, during the training of athlete Alin George Moldoveanu, Olympic champion London 2012, in the men's 10m compressed air rifle, in the competition year 2011-2012, the electronic monitoring system SUUNTO proved its usefulness practice, determining us to continue and extend our scientific approach to the level of another test specific to sports shooting. As a physical trainer of the athlete Ghetu Vlad, multiple national champion in this event, being currently a member of the Youth Olympic Team, with real chances of qualifying for the Tokyo 2021 Olympics, we decided to implement this means of evaluation, in order to increase planning efficiency. and scheduling specific effort.Through the feedback it offers, translated into the values of the monitored internal parameters, respectively, heart rate, respiratory rate, the SUUNTO electronic system offers an objective image on the dynamics of the specific effort of the analyzed sample, constituting a solid benchmark in sports training according requirements imposed at the level of performance sports shooting. The information obtained from the monitoring can be viewed and downloaded through the website www.movescont.com, the data being analyzed and interpreted by both authors of this paper. The analysis of the results obtained in this research will be the basis for the realization of some physical training programs, adapted to the requirements of the training process, the competitive effort and, last but not least, to the particularities of the athlete involved.
USING MOBILE TECHNOLOGY TO EVALUATE THE ACTIVE LIFESTYLE OF ADULTS FROM CAMPUSES IN QATAR
Authors: Stanescu Monica , Salih khidir Elena daniela , Al sayegh Souzan
Published: February 2023

In Arab countries, physical inactivity among adults varies from 33% to 86%. Qatar shows an inactivity prevalence of 41.6%. This study describes the evaluation of 2 phases community-based intervention in university campuses in Qatar, Step into Health (SIH), designed to engage adults from campuses in Qatar into healthy lifestyle through walking. This evaluation aims to assess the effectiveness of mobile technology usage to increase participation in registered adult within the walking program.
This study involved 397 eligible students and staff (aged 18-64 years), from 15 university campuses. The mobile technology-based interventions were implemented in 2 phases, (January - May 2018) - 288 participants, and (January - May 2019) - 109 participants with 104 common members that joined both phases of the program. Step counts were assessed by program coordinators using pedometers and mobile applications linked to a web-database. This study provided evidence that a systematic approach of the activism successfully engages adults from campuses in Qatar into a healthy lifestyle
This intervention engaged inactive, low active, and active students into the walking program by the use of mobile technology. Results showed a significant increase in steps uploads during phase one of walking intervention when participants received reminders, awareness sessions, and technical support related to mobile technology use. Although these 104 members were committed to a long period of time, (10 months) to perform walking at the low physical activity level, they did not register a significant improvement of the physical efforts over time. The step uploads result for both intervention phases demonstrated a higher level of motivation amongst participants.
AN EXPLORATORY RESEARCH ON THE IMPACT OF DIGITAL ASSISTANTS IN EDUCATION
Authors: Cernian Alexandra , Tiganoaia Bogdan , Orbisor Bianca
Published: February 2023

Digital assistants are currently expanding, and they are integrated into the daily lives of many users. In the implementation of digital assistants, various technologies are used, such as Artificial Intelligence, Big Data, Machine Learning, Natural Language Processing (NLP), etc. This article is an exploratory research in digital assistants used mainly for educational purposes. The progress of the EdTech sector has brought significant changes in the educational landscape. In this context, digital assistants are one of the technological advancements that could have a high impact on education. It is very likely to see more institutions using virtual assistants in education over the next few years, given the advancements in virtual assistants and their impact in the process during the COVID-19 pandemic.
Several schools and universities have already started to use Amazon's Alexa for support issues like answering administrative questions or guiding students around the campus. Although for the moment they have rather basic functionality, it is obvious that virtual assistants can already be used in education and have the potential to boost students' performance, assist teachers' activity and support administrative tasks.
This paper will focus on providing a state of the art of current initiatives and discuss the perspectives on how digital assistants can shift the education industry. It will also discuss future development possibilities and use case scenarios. The progress of artificial intelligence and its integration with virtual assistants shows that there are many opportunities ahead for using digital assistants in education, but there is still a long to go to realize their full potential. But for sure, they will be used in the future in more complex contexts.
EXAM SUBJECTS GENERATION FOR A COMPILER DESIGN DISCIPLINE DURING PANDEMICS
Authors: Chirila Ciprianbogdan , Chirila Oanasorina
Published: February 2023

Education during pandemics was disrupted by the social distancing restrictions that were imposed by authorities. In this context, education was moved online together with all the knowledge assessment mechanisms like online examination. Oral online exams are good methods to examine students but it requires a lot of resources like time and tutors which usually universities cannot afford to allocate. Usually, exam results must be provided in a few days from the exam date and session periods are short. Written online examinations are prone to cheating due to the availability of multiple communication channels between students or students or third parties. Several cases were reported by tutors and they had to be discussed in the faculty's management board. Expelling students from universities for cheating reasons may result in serious financial shortages. The only feasible way is to keep away students from cheating in online exams. One potential solution in this sense is to generate unique sets of subjects for each student and to allocate a limited amount of time for solving each subject. Thus, the solution of one student will not be reusable by others. On the other hand, the time limit will restrict the capacity of communication between students when supervised by video cameras. The video cameras must be at least two: one for identifying the student's face and the other focused on the written paper. To generate unique exam subjects, we propose an abstraction process to infer a template and a synthesis process where the template is instantiated with data computed from random numbers. The approach was tested on a group of 29 students and no cheating incidents were reported.
THE ROLE OF MOOCS IN SOCIAL RESPONSIBILITY LEARNING AND PROJECTS
Authors: Sakalli Mukaddes , Altinay Fahriye , Soykurt Mutlu , Oznacar Behcet , Altinay Zehra , Bicen Huseyin , Dagli Gokmen , Cerkez Yagmur
Published: February 2023

During the outbreak of Covid-19 pandemic which has transformed the way we used to live, learning has been reshaped through MOOCs which aim to offer interactive online courses that vary in anything and length seem to revolutionize the education system all over the globe. Therefore, universities are developing new online platforms to go beyond their academic responsibilities with MOOCs to promote understanding of how universities could better fulfil the societal expectations of the people who want to learn anything in their own pace and interest. This new type of education allows people free access and unrestricted participation to any course of their choice. The main aim of this research paper is to investigate the impact of MOOCs on societal inclusion and offer practical suggestions to include high-quality MOOCs on societal learning. 70 research participants responded the questions in the workshop. These questions are related to the analysis of online learning environments and the awareness on social responsibility of research participants. After getting seminar about societal values and projects, research participants reflected their ideas and experiences in MOOCs, online learning and social responsibility learning. In this respect, they pointed out how they enhance their learning and societal values to the societal practices. Research relies on qualitative research design. In addition to this, as the results of the study were gathered from the workshop in societal research and development of the center, this research study become road map for the future direction of higher education in the digitalization and social responsibility role.
Rosyjskie „gadające głowy” ukraińskiej polityki w czasach wojny
Authors: Volokhai Mykhailo
Published: February 2023

Since the beginning of the full-scale Russian invasion of Ukraine on 24 February 2022, domestic stability has lacked the popularity and was usually omitted outside of Ukraine. One of the reasons for that remains the complexity of the Ukrainian political ecosystem and an entangled web of connections between the individuals and parties on various levels within different branches of power. Henceforth, Ukraine’s political web analysis in search of the traitors and promoters of Russian interests needs clarification. In this chapter, a complex topic of the activity of the Ukrainian political figures who have been openly waiting for Russians to come is unveiled.
Działania sił specjalnych Ukrainy i Federacji Rosyjskiej podczas konfliktu na Ukrainie
Authors: Orłowski Piotr
Published: February 2023

Special forces, as an elite part in the structure of any army, are an important element in combat operations in each modern armed conflict. The Russian Federation’s aggression against Ukraine has highlighted fundamental differences in the ability to conduct special operations between the attacking side and Ukraine. So far, the Ukrainian Special Forces have gained a clear advantage in this area, which, taking into account the effectiveness of similar Russian formations since 2014, is surprising. So far, the Ukrainian Special Forces have demonstrated a very high level of effectiveness, conducting a series of spectacular operations not only in the territory of Ukraine where the fighting is taking place, but also in the territory of the Russian Federation. The Russian Special Operations Forces seem to be misused, or one can observe the phenomenon of transferring these capabilities to private military companies.
Constitutional Atomic Bomb or Paper Tiger? The Institution of Impeachment in the Federative Republic of Brazil
Authors: Sawicka Monika
Published: February 2023

Over the course of less than a quarter of a century, two Brazilian Heads of State – Fernando Collor in 1992 and Dilma Rousseff in 2016 – have been removed from office by impeachment. There has been much controversy surrounding both proceedings, particularly the latter. The article seeks to discuss briefly the history of the proceeding of impeachment in Brazil and its significance for the country’s political life after 1988. Through an analysis of the impeachment cases of President Fernando Collor and President Dilma Rousseff, and overview of the literature on impeachment in Latin America, the paper will address the similarities and differences present in both cases in which a Brazilian Head of State was removed from office. The last part of the article will further discuss the disputes among Brazilian jurists triggered by differing evaluations of this legal measure and, in particular, the more recent case of its implementation in Brazil.
Socio-economic Status, Territory and Political Participation in Twenty-First- Century Mexico
Authors: Barrio Ángel B. Espina , Gutiérrez-Chico Fernando , González-Fuente Iñigo
Published: February 2023

This article is built on the reflections that the authors have had during their latest research on political participation in several municipalities of Mexico. Thus, based on the ethnographies conducted between 2006 and 2016, mainly in the town of Xico (Veracruz state), we set up as analyzing unities specific political interactions (including patronizing) among Mexican citizens within the five types recognized by Social Sciences: voting, campaigning, contacting political officials, working on public affairs and talking about politics. On this basis, we explore the articulation of the aforementioned interactions and, more specifically, of the roles adopted by the interacting citizens as identity markers linking these people in a highlighted way with a series of socio‑economic and socio‑territorial features, dimensions that, ultimately, turn out inseparable from the existing power relations in the local societies. In conclusion, we are of the opinion that, together with indicators of income, education, professional category or living nearby territory, it can be affirmed that the political behavior in Mexico is shown as both socio‑economic indicator and socio‑territorial belonging not because parties represent interests of class, but because there are well defined spheres of political behavior depending on the socio‑economic stratum and the socio‑territorial belonging of the individual.
Hate Trumps Love: The Impact of Political Polarization on Social Preferences
Authors: Dimant Eugen
Published: February 2023

Exhibiting altruism toward and cooperativeness with others is a key ingredient for successful work relationships and managerial decision making. Rising political polarization creates a hazard because it ruptures this fabric and impedes the interaction of employees, especially across political isles. This paper’s focus is to examine various behavioral-, belief-, and norm-based layers of (non)strategic decision making that are plausibly affected by polarization. I quantify this phenomenon via five preregistered studies in the context of Donald J. Trump, comprising 15 well-powered behavioral experiments and a diverse set of over 8,600 participants. To capture the pervasiveness of polarization, I contrast the findings with various political and nonpolitical identities. Overall, I consistently document strong heterogeneous effects: ingroup-love occurs in the perceptional domain (how close one feels toward others), whereas outgroup-hate occurs in the behavioral domain (how one helps/harms/cooperates with others). The rich setting also enables me to examine the mechanisms of observed intergroup conflict, which can be attributed to one’s grim expectations regarding cooperativeness of the opposing faction, rather than one’s actual unwillingness to cooperate. For the first time, the paper also tests whether popular behavioral interventions (defaults and norm-nudges) can reduce the detrimental impact of polarization in the contexts studied here. The tested interventions improve prosociality but are ineffective in closing the polarization gap.

This paper was accepted by Yan Chen, behavioral economics and decision analysis.

Funding: This work was supported by Deutsche Forschungsgemeinschaft [Grant EXC 2126/1– 390838866].

Supplemental Material: Data and the online appendix are available at https://doi.org/10.1287/mnsc.2023.4701 .
Redesigning Sample Transportation in Malawi Through Improved Data Sharing and Daily Route Optimization
Authors: Gibson Emma , Deo Sarang , Jónasson Jónas Oddur , Kachule Mphatso , Palamountain Kara
Published: February 2023

Problem definition: Healthcare systems in resource-limited settings rely on diagnostic networks in which medical samples (e.g., blood, sputum) and results need to be transported between geographically dispersed healthcare facilities and centralized laboratories. Academic/practical relevance: Existing sample transportation (ST) systems typically operate fixed schedules, which do not account for demand variability and lead to unnecessary transportation visits as well as delays. Methodology: We design an optimized sample transportation (OST) system that comprises two components: (i) a new approach for timely collection of information on transportation demand (samples and results) using low-cost technology based on feature phones, and (ii) an optimization-based solution approach to the problem of routing and scheduling courier trips in a multistage transportation system. Results: Our solution approach performs well in a range of numerical experiments. Furthermore, we implement OST in collaboration with Riders For Health, who operate the national ST system in Malawi. Based on analysis of field data describing over 20,000 samples and results transported during July–October 2019, we show that the implementation of OST routes reduced average ST delays in three districts of Malawi by approximately 25%. In addition, the proportion of unnecessary trips by ST couriers decreased by 55%. Managerial implications: Our approach for improving ST operations is feasible and effective in Malawi and can be applied to other resource-limited settings, particularly in sub-Saharan Africa.

History: This paper has been accepted as part of the 2021 Manufacturing & Service Operations Management Practice-Based Research Competition.

Funding: This work was supported by Bill and Melinda Gates Foundation [Grant OPP1182217] and by the National Institute of Biomedical Imaging and Bioengineering of the National Institutes of Health [Grant U54EB027049]. The content is solely the responsibility of the authors and does not necessarily represent the official views of the funding organizations.

Supplemental Material: The e-companion is available at https://doi.org/10.1287/msom.2022.1182 .
Gastric dilatation volvulus: a review
Authors: Costa Laura
Published: February 2023

Gastric dilatation volvulus is a common life-threatening condition experienced by dogs. A distended stomach and rotation of the stomach about its axis causes severe adverse haemodynamic effects, and the disease can have a poor prognosis. Veterinary nurses are crucial in the recognition of symptoms during triage as well as aiding diagnosis, treatment and postoperative management. This article reviews the pathophysiology of the condition, clinical presentation, diagnosis, treatment, prognosis and client education.
Batch Process Operational Effects on Phosphorus Attainment in Hydrochar Produced by Hydrothermal Carbonization of Dairy Manure
Authors: He B. Brian
Published: February 2023

Highlights

Temperature ramp-up from 180°C to the pre-set processing temperature significantly affects total phosphorus attainment rate.

The transition time of temperature ramp-up is crucial in assessing the change of TP attainment rate.

Temperature cooling does not show significant effect on total phosphorus attainment rate.

Abstract. As an alternative technology for phosphorus cycling, hydrochar produced from animal manure is a great vehicle to attain phosphorus from dairy manure and apply it back to cropland in an environmentally friendly manner. Hydrochar production by hydrothermal carbonization (HTC) greatly reduces the time to manage animal manure compared to traditional lagoon systems. Before being established as a practical technology for hydrochar production in continuous-flow operations, HTC in batch mode is the best way to systematically investigate and optimize the process conditions for high efficiencies. This study investigates specifically the effect of temperature ramp-up rates on the attainment of total phosphorus (TP) in hydrochar produced from dairy manure through batch-mode HTC operations. Experimental results revealed that the transition in temperature ramp-up greatly affected the TP attainment rate in hydrochar, depending on the pre-set processing temperatures and holding time. Statistical analysis confirms that such an effect is significant if the holding time is 30 min or less. This is due not only to the higher processing temperatures but also to the extra 5 to 15 minutes of processing time required for the ramp-up to the pre-set temperatures of 195°C to 255°C, at which point biomass decomposition has already occurred. It is concluded that the temperature ramp-up in batch HTC processes significantly affect the TP attainment rate in hydrochar produced from dairy manure. Before developing continuous-flow HTC systems, it is recommended that experimental results from batch operations be carefully interpreted. Keywords: Batch processes, Dairy manure, Hydrochar, Hydrothermal carbonization, Phosphorus.
Identifikasi lokasi untuk pengembangan budidaya keramba jaring apung (KJA) berdasarkan faktor lingkungan dan kualitas air di perairan pantai timur Bangka Tengah
Authors: M. Affan Junaidi
Published: February 2023

Abstract. Waters of the east coast of Bangka Regency has higher potency for development of mariculture livelihood. The Geographic Information Systems (GIS) can be used to determine the suitable location for these activities. Spatial analysis on every measured parameters were conducted and then its overlay to determine the feasibility of locations. The suitability location was categorized into four levels i.e very suitable, moderately suitable, suitable with conditions, and not suitable. The results showed that there are at least 127,746 ha of areas have potency for mariculture location, of these 122,950 ha (96.25%) are very suitable and suitable, while 4796 ha (3.75%) are moderately suitable for fish farming. However, based on field verification, about 8.627 ha of areas are recommended for fish mariculture developement, this is situated at Pulau Ketawai Island, Pulau Panjang dan Pulau Bujur.Key Words : Geographic Information Systems, overlay, fish, mariculture, and cage
The utilization of weather and climate information to support marine and fisheries activities
Authors: Ilhamsyah Yopi
Published: February 2023

Abstract. Weather and climate condition are certainly changing. In addition to an early warning of the atmospheric hazard, update information about the current and future status of atmospheric condition is necessary to support public activities. The purpose of this paper is to provide freely online weather and climate information that can be easily accessed by the community. The weather and climate products from an official Indonesian agency for Meteorology, Climatology, and Geophysics are used in this paper. The agency serves informative and public accessible weather and climate products. In addition, products from foreign public or private meteorological services are also used since they offer valuable spatial and temporal information including early warning of atmospheric hazards that benefit to assist local community in their daily activities. In marine and fisheries sector, it helps to minimize the risk and losses that may be arisen due to the changing of atmospheric condition, so that, the productivity in this sector is expected to increase in the future         Keywords: Atmospheric condition; Weather and climate products; Marine and fisheries Abstrak. Kondisi cuaca dan iklim mengalami perubahan dengan pasti. Selain sebagai peringatan dini tentang bahaya atmosfer, informasi mengenai status terkini dan mendatang mengenai kondisi atmosfer adalah penting guna mendukung aktifitas masyarakat. Tujuan dari makalah ini adalah untuk menyajikan informasi pelayanan cuaca dan iklim secara gratis dan online yang dapat dengan mudah diakses oleh masyarakat. Makalah ini menggunakan produk cuaca dan iklim dari Badan Meteorologi, Klimatologi dan Geofisika Indonesia. Badan ini melayani produk yang informatif dan mudah diakses oleh masyarakat. Selain itu, produk-produk dari layanan meteorologi asing baik milik pemerintah atau swasta juga digunakan dalam makalah ini karena menyediakan informasi spasial dan temporal yang berharga termasuk peringatan dini yang berguna untuk membantu masyarakat lokal dalam melaksanakan kegiatan sehari-hari. Dalam sektor kelautan dan perikanan, informasi ini membantu untuk mengurangi resiko dan kerugian yang mungkin terjadi akibat perubahan kondisi atmosfer, sehingga produktifitas pada sektor ini diharapkan dapat meningkat di masa mendatang.   Kata kunci: Kondisi atmosfer; Produk cuaca dan iklim; Kelautan dan perikanan