bluuebunny/crossref_metadata_2025 huggingface dataset:
Instrumental music versus Quran recitation: Which has the most influence on the accuracy and speed of work?
Authors:   Department of Industrial Engineering, Faculty of Engineering, Universitas Andalas, Padang 25163, West Sumatra, Indonesia, Zadry Hilma Raimona , Putra Alex Mitza ,   Department of Industrial Engineering, Faculty of Engineering, Universitas Andalas, Padang 25163, West Sumatra, Indonesia, Susanti Lusi ,   Department of Industrial Engineering, Faculty of Engineering, Universitas Andalas, Padang 25163, West Sumatra, Indonesia, Henmaidi Henmaidi ,   Department of Industrial Engineering, Faculty of Engineering, Universitas Andalas, Padang 25163, West Sumatra, Indonesia, Meuthia Yumi ,   Department of Industrial Engineering, Faculty of Engineering, Universitas Andalas, Padang 25163, West Sumatra, Indonesia
Published: September 2021

Many studies have proved that instrumental music, as well as Quran recitation, affects human factors such as mood, performance, and intelligence. However, to the best of our knowledge, there is no research on the effect of listening to Quran recitation before doing mental task on work productivity. This study examined the impact of instrumental music and Quran recitation on work productivity, especially on the accuracy and the speed of work. The study involved 20 people of productive age (15-64 years) as respondents. The true experimental one group pre-test and post-test design were used in analyzing the data. The data collected are the speed and the number of errors when conducting the Stroop task. The study found that instrumental music, as well as Quran recitation, has a significant contribution to the increase of the accuracy and the speed of work (p=0.00). The study also proved that Quran recitation has a significantly higher effect on work speed and accuracy compared to instrumental music treatment (p=0.00). The average speed of conducting the Stroop task with Quran recitation treatment is 7.67% higher than with the instrumental music. Furthermore, the average number of errors with Quran recitation treatment is significantly lower (e=2.93) than with the instrumental music treatment (e=4.68).
A Benchmarking analysis of analytical and advanced nonlinear tracking control techniques
Authors:   National Engineering School of Gabès, Research Unit of Photovoltaic, Wind and Geothermal Systems, University of Gabès, Tunisia, Charfeddine Samia , Jerbi Houssem ,   College of Engineering, Hail University, Department of Industrial Engineering, Kingdom of Saudi Arabia
Published: September 2021

This paper aims at studying two advanced techniques that are used in control theory of nonlinear affine systems. These later techniques tackle the problem of the trajectory tracking with high steady state performances. The objective of this work is to compare and analyze the dynamical behavior of the desired output when controlled by the gain scheduling method and afterward with a neural control approach. Both techniques are evaluated through a numerical simulation study of a photovoltaic system, which is characterized by hard nonlinear features and challenges. The efficiency and limitations of both techniques are accurately discussed.
PEMANFAATAN BEE POLLEN SEBAGAI SUMBER ZAT BESI DALAM PEMBUATAN CRACKERS
Authors: Fitriani Fatimah
Published: September 2021

Nutritional problems relate directly to the quantity and quality of the food they consume.The research aimed to obtain crackers products that contain amino acids and iron with flour substitution bee pollen (bee pollen). This research was an experimental research with the labolatory analysis design. The research was carried out in three stages: the first stage was an introductory research with laboratory tests on bee pollen flour and organoleptic test, In the product initial research, proximate analysis was conducted, and amino acid content and iron suit of SNI. The research result of crackers formula C2 gives the good preference level. For the product initial research i.e. the proximate analysis, the selected formulas are 7.74% protein and 7.50% for the control formula, 22.81% fat and 21.95% for the control formula 63.61% , carbohydrates and 64.67% for the control formula, water content 3.36% and 3.12% for the control formula, 2.52% ash content and 2.75%. for the control formula. Fe content in bee pollen flour was 145.7862 ppm after being processed into crackers at 88.4402 ppm. This research reveals that the iron decreased after processed into crackers
LITERATURE REVIEW: TEHNIK RELAKSASI NAFAS TERHADAP PENURUNAN NYERI DISMINORE
Authors: Arum Meiranny  , Ariska Afrianti
Published: September 2021

Dysminorrhea is a complaint that often makes young women go to the doctor for consultation and get treatment. Dysminorrhea is pain that causes discomfort in the lower abdominal area that occurs during menstruation, even dysminorrhea can interfere with daily activities, dysminorrhea often occurs in women who are menstruating. When a woman is menstruating, it produces excess prostaglandins which can cause dysminorrhea pain. Dysminorrhea is a disorder that often occurs during menstruation. Although dysminorrhea is not dangerous, it often disrupts activity patterns in women who are menstruating. The prevalence of dysminorrhea shows a high enough frequency. According to WHO, about 16.8-81% of young women experience dysminorrhea. One of the non-pharmacological therapies is to relax the breath in women who experience dysminorrhea to reduce pain. Methods: international literature and national literature searched through electronic media with keywords. Five articles were selected, each of which represented an effectiveness of breath relaxation on the reduction of dysminore pain. Result: there is an effect of breath relaxation on the reduction of dysminore pain in respondents. Discussion: one of the non-pharmacological treatments to reduce dysminore pain is by breathing relaxation techniques. Breath relaxation can relax muscle tension so that it can reduce pain.
Rabbani Political Leadership for Sustainable Development: A Case Study in Terengganu, Malaysia
Authors: Salamun Hailan , Kadir Firdaus Khairi Abdul , Rahman Asyraf Hj Ab , Rashid Rofishah Hj
Published: September 2021

The objective of the current study was to clarify the role of ‘Rabbani’ to establish a balance of sustainable development in Terengganu political leadership, Malaysia. We propose Rabbani political leadership as a task of bridging the understanding of sustainable development in harmony that may influence followers to manage the development in political workplace. It then explores the underlying reason for the mobilisation of sustainable social development. This study classified as a fieldwork study based in Terengganu, Malaysia. The obtained data were analysed systematically according to selected themes. The argument constructed into the following stages, namely an overview of Islamic principles in setting an identity of Islam as the way of life, proposing unity as the foundation of a harmonious life in which the whole life system as a response to having a holistic development as a catalyst of progress. This study was able to benefit the local community of Terengganu and also amongst the rulers and politicians in order to understand and applying the value of Rabbani political leadership quality for the sake of better social lifestyle. Rabbani political leadership in the state of Terengganu could be one of the models that cover three types of political leadership work ethics in Islamic principles namely; building identity that Islam is the way of life; proposing unity ass the foundation of a harmonious life; and a holistic development as a catalyst of progress.
 
Received: 24 March 2021 / Accepted: 8 July 2021 / Published: 5 September 2021
The Impact of Strategic Planning in the University’s Competitiveness According to NIAS
Authors: Hussein Abbas Mohammed , Ahmed Mohammed Mustafa , Mahmoud Khu Mohamed Yahya
Published: September 2021

Competition is one of the realities of the business environment, and despite this, the awareness of organizations (especially in developing countries) of the importance of dealing with it has not yet developed until in recent years. Developing countries are unable to follow these methods so that these competitive situations will be deeper and more powerful due to the clear interaction between not following the scientific method and adhering to random and improvisational methods, which is reflected in the capabilities of these organizations. The research deals with the impact of strategic planning (external orientation, internal orientation, functional coverage, and resources provided for strategic planning) in the university's competitiveness (the strategy of the educational institution, Governance and management, Financial and material resources, Faculty members, Students, Scientific research, Community service, Curricula), as an expression of a vision of the role of strategic planning in achieving effective adaptation to competitive situations and improving the university's competitiveness, to establish a reality in the minds of the leaders responsible for the planning process that working in traditional contexts in light of the changes and accumulating problems of the Iraqi environment leads to results that are not effective concerning the size of the problems. Hence, the research problem arises by raising a major question which is: What is the impact of strategic planning on the competitiveness of Iraqi universities according to the national institutional accreditation standards of the Iraqi Ministry of Higher Education and Scientific Research? To achieve the goal of the research and answer its questions, the research applied to a sample of (158) individuals at the University of Technology and the research adopted the questionnaire to collect the data that were processed and analyzed using several statistical methods. The research reached several results, including the researched university has employed strategic planning with all its indicators to improve its competitiveness. the most important recommendations were the necessity for the university to employ more strategic planning to improve the university's competitiveness.
 
Received: 2 March 2021 / Accepted: 3 August 2021 / Published: 5 September 2021
I Really Want to Learn New Things! Children's Perspectives on Educational Transition
Authors: Santos Ana Isabel , Martins de Sousa Eusébio José
Published: September 2021

The aim of this paper is to analyze how the process of educational transition is perceived by a group of children attending Preschool and Primary School, considering their expectations, fears, and experiences. Methodologically, this exploratory research was based on the collection of information through a conversational interview to 16 children in kindergarten and a questionnaire survey, with open and closed questions, to 35 children in basic education who attend a Portuguese School, in the Azores Archipelago. The data collected were analyzed qualitatively and quantitatively. The results obtained corroborate what is referenced in the specialty bibliography, showing that children, in general, manifest positive and encouraging feelings towards the transition process between preschool and primary education, even though, simultaneously, they may feel some fear or discomfort towards the unknown. These results should be considered in the light of the pedagogical intervention that Preschool educators and Primary School teachers should develop to build a coherent and continuous process.
 
Received: 19 June 2021 / Accepted: 19 August 2021 / Published: 5 September 2021
The Implementation of the CDIO Approach in Teacher Training Programs: The Vietnamese Case
Authors: Pham Huong Thi , Nguyen Giang Chau Thi , Nguyen My Thanh , Nguyen Quynh Anh Thi , Che Linh Hai
Published: September 2021

The CDIO (Conceive-Design-Implement-Operate) approach was originally developed for engineering education programs. However, this approach has also been adopted to support non-engineering programs. This paper aims to discuss the implementation of the CDIO approach in teacher training programs in a university in Vietnam. Five tests focusing on assessing students’ competence of lesson plan preparation, lesson planning, teaching organization, student learning assessment, and teaching portfolio management were developed and administered to the experimental group of 40 last-year students and the control group of 40 last-year students. When the data were collected and analyzed with the assistance of the SPSS statistics, the p-value was .000 (p=.000 p < .05), which means that the experimental group and control group had statistically meaningful difference. The results of this study show that students enrolling in programs that implemented the CDIO approach performed better than those who enrolled in programs without the support of the CDIO approach.
 
Received: 6 July 2021 / Accepted: 2 August 2021 / Published: 5 September 2021
Synchronous Online Learning through Microsoft Teams at Tertiary Level: Academic English Course
Authors: Wichanpricha Thitirat
Published: September 2021

As for a recent learning platform as synchronous online learning through Microsoft Teams (MS Teams) in Academic English course based on particular three learning domains, very few previous studies were conducted and explored in Thailand and Asia. Due to the unending epidemic of COVID-19, the pedagogy in EFL context at every level of educational institutes has to be shifted to an online approach that has never been implemented in Rajamangala University of Technology Lanna Tak (RMUTL Tak), Thailand. The current study has mainly addressed the research gap by determining underlying cognitive, affective, and behavioral aspects in synchronous online learning. Therefore, this paper aimed to investigate perceptions and difficulties of synchronous learning in Academic English course through MS Teams. Academic English skills are not only acquired during the early years of Thai educational system but also at tertiary level. RMUTL Tak has currently provided an Academic English course as a mandatory subject that every undergraduate student has to pass this course before graduation. Promoting synchronous learning to Academic English course allows students have greater learning motivation. In the study, two hundred and fifty four undergraduate students studied in three faculties comprising Business Administration and Liberal Arts, Engineering, and Sciences and Agricultural Technology at RMUTL Tak. They were all enrolling in an Academic English course in the first semester, academic year 2020. Additionally, an online questionnaire including twenty one items and one open-ended question was employed in the study. All obtained data was analyzed quantitatively and qualitatively. The findings revealed that most of the participants have positively perceived synchronous learning as their fruitful online platform. Nonetheless, it was found that poor internet signal was considered as a dominant factor preventing them from learning online.
 
Received: 8 March 2021 / Accepted: 2 August 2021 / Published: 5 September 2021
Effect of Brain-based Learning in Developing Spatial Ability of Ninth Grade Students with Low Achievement in Mathematics
Authors: Al-Tarawneh Ahmad , Altarawneh Awad Faek , Al-Aziz Karaki Wejdan Kh. Abd
Published: September 2021

This study aimed to investigate the impact of a brain-based learning training programme on improving the spatial abilities of a sample of ninth grade elementary school students in Karak Province, Jordan. The study approach is quasi-experimental, the research sample consisted of 60 students selected by the intentional method. After being divided into two groups, 30 students were in the control group and 30 students were in the experimental group. To achieve the objectives of the study, a training programme based on brain-based learning was developed. Seven tests which consisted of spatial perception, spatial visualisation, and spatial orientation were used to measure spatial capacity and its components. The results showed that the training programme improved spatial ability and its three components in the experimental group compared to the control group.
 
Received: 29 March 2021 / Accepted: 5 July 2021 / Published: 5 September 2021
Exploring the Experiences of Postgraduate Students in the Field of Special Education with Remote Online Teaching Amid COVID-19 Pandemic: A Mixed Methods Study
Authors: Hemdi Alyaa
Published: September 2021

The spread of COVID-19 has had a significant impact on many parts of life, including education. Instructors, students, and institutions across the world were forced to close their doors and shift to online distance learning in accordance with the World Health Organization (WHO) recommendation for social distancing. This study aims to explore the experience (challenges and benefits) of Saudi postgraduate students in the field of special education relating to the sudden shift to online distance learning during the COVID-19 pandemic. An embedded mixed methods design with a great emphasis placed on the qualitative strand, while the quantitative strand took a secondary role. Online learning readiness was assessed using a scale with (n=37) postgraduate students, then interviews were conducted with (n=9) postgraduate students. Postgraduate students in the Kingdom Saudi Arabia were found to have a high level of readiness and were highly confident and highly motivated for online learning during the pandemic. The most frequently mentioned challenges found in this study included technical difficulties. It was also found that despite the challenges faced by the students, they still preferred virtual classes over traditional face-to-face lectures, as they are flexible and convenient. Study results lead to a better understanding of postgraduate students’ adaptation to online learning in emergency situations. Additional improvements including refining the difficulties, strengthening the current advantages, and listening to students’ experiences and suggestions would lead to more successful remote teaching in the future.
 
Received: 12 July 2021 / Accepted: 20 August 2021 / Published: 5 September 2021
The Impact of the Covid-19 Pandemic on Children and Adolescents Mental Health: A Literature Review
Authors: Ghosh Dipa
Published: September 2021

The emergence of a new Coronavirus Disease 2019-2022 has turned the globe down and disrupted main determinants of health. The world constitutes by more than 2.2 billion children, which is approximately 28% of the world's population. Compare to adult, this pandemic has a long -term adverse consequences among children and adolescents. The objective of this literature review was to examine the impact of COVID-19 pandemic on children and adolescent’s mental health. PubMed and Google Scholar databases were searched from 07 April 2021 to 22 April 2021. A systematic literature search was performed in accordance with PRISMA and 07 literatures were selected. Among 16,169 samples, the mean percentage of male was higher 5 by 6.11% than female of 43.89%. Depression was mentioned in three studies and the percentages were 43.7% (n=8079), 22.6% (n=2330), and 22.8% (n=3613). Anxiety was mentioned in four studies and the percentages were 37.4% (n=8079), 18.9% (n=2330), and 23.87 ± 15.79 and 29.27 ± 19.79 (n=3613) and in one study according to CAQ and NRS, the level of anxiety was 19.4% and 21.8%. The combination of anxiety and depression was 31.3%. One study mentioned that pro social behaviour score was higher in females than males. In other two studies, various psychological symptoms are mentioned such as worry, fear, helplessness, boredom, difficulty in concentration, irritability, restlessness, nervousness, feeling of loneliness and uneasiness. These psychological symptoms have long-term effect on child’s health. Therefore, as a nurse, we should take care of the child and aware that the child and their parents regarding various psychological problems and its management.
Spiritual-Based Psychoeducation Increase of the Level Resilience of Youth Victims of Bullying
Authors: Febriana Betie , Rochmawati Dwi Heppy , Abdurrohim Abdurrohim , Farhan Mohammad
Published: September 2021

In general, bullying has negative effects on victims, including increased anxiety, decreased self-esteem, self-distrust and depression. These things will affect to the concentration of student learning which ultimately leads to decrease learning achievement and more risk of suicide in adolescents. Therefore, developing the resilience of youth victims of bullying is needed to provide therapeutic coping to avoid these adverse effects.  This study aims to determine the effectiveness of Spiritual-based psychoeducation therapy on the Level of Resilience of Youth Victims of Bullying. This is quasy experimental pre-post test research with total sampling. The sample is high school students who have experienced bullying in the past month, are physically healthy, and have no disabilities. The sample of this study was 50 and has been divided into two groups, namely the intervention group and the control group. This research used questionnaire’s ability of resilience in adolescents by Gail M wagnild and Heather M. Young. The results showed a significant effect of psychoeducation spiritual therapy on the level of adolescent resilience (p-value is 0.000 by Kolmogorov Smirnov). Schools need to consider this therapy as a choice to be applied to student victims of bullying.
La educación financiera en el desarrollo de habilidades de los estudiantes universitarios
Authors: León-Gómez Ana , García-Lopera Francisca , García-Revilla Mercedes Raquel , Alaminos-Aguilera David
Published: September 2021

Este documento identifica cómo la educación financiera afecta a la intención emprendedora, inclusión social y financiera en Honduras. Aplicamos un análisis descriptivo con enfoque transversal y retrospectivo. En primer lugar, nuestros resultados afirman que la educación financiera aumenta significativamente el desarrollo de habilidades de los estudiantes para promover la intención empresarial. Asimismo, manifiestan que la brecha de género es una de las principales causas de exclusión laboral. Finalmente, demostramos que el fomento de la educación financiera entre los estudiantes permite conseguir una mayor autonomía financiera para afrontar cualquier tipo de decisión económica.
Comparative characteristics of sports vocabulary in the Russian and Uzbek languages for lingual-didactical purposes
Authors: Цой М.К.
Published: September 2021

В статье рассматривается классификация и анализ дифференциального и общего в спортивной лексике русского и узбекского языков, что является одним из важнейших условий научно обоснованной разработки методики ее усвоения учащимися-билингвами, системы формирования как лексико-грамматических, так и коммуникативных умений и навыков. Предпринята попытка условно разделить спортивный пласт лексики на три группы. В первую группу слов отнесены слова, передающие обозначения одних и тех же понятий в русском и узбекском языках. Во-вторую группу вошла лексика, частично различающаяся как графически, так и по грамматической функции. Третью, наиболее многочисленную группу составляет спортивная лексика, совершенно разная по звуковому облику и написанию в русском и узбекском языках.

The article discusses the classification and analysis of the differential and the common in sports vocabulary of the Russian and Uzbek languages. It is considered to be one of the most important conditions for the scientifically grounded development of a methodology for its assimilation by bilingual students, and of a system for the formation of both lexical and grammatical, and communicative skills. An attempt has been made to conditionally divide the sports vocabulary layer into three groups. The first group of words includes those that convey the designations of the same concepts in the Russian and Uzbek languages. The second group included vocabulary partially differing both graphically and in grammatical function. The third and most numerous group is sports vocabulary which is completely different in sound appearance and spelling in the Russian and Uzbek languages.
Post-mortem Gross Detection of Early Myocardial Infarction using Triphenyl Tetrazolium Chloride Test
Authors: Ali Ayad Abdulridha  , Saad Kadhim Kareem
Published: September 2021

Background: Ischemic heart disease is the leading cause of mortality in the world. More than 17 millionpeople die each year as a result of myocardial infarctions. Post-mortem histochemical detection of earlymyocardial infarction using 2,3,5-Triphenyl Tetrazolium Chloride (TTC) technique is based on the factthat ischemic myocardial cells lose their membrane integrity and release dehydrogenase enzyme into theblood stream, resulting in decrease or total depletion of these enzymes within the necrotic areas of themyocardium, and so, after immersion in TTC solution, enzyme depleted necrotic myocardium will notretain TTC dye and therefore appears as pale/yellow areas. Materials and Methods: This prospectivepostmortem study was conducted at Medicolegal Directorate in Baghdad city during the period fromMarch 2020 to December 2020. Myocardial specimens were isolated from 75 cases of sudden natural deathand were subjected to 1% TTC solution staining for gross assessment, and subsequently, tissue samples weretaken from suspected areas, processed and stained with H&E for histopathological evaluation and detectionof a possible acute myocardial infarction. Results: The mean age of studied cases was 50.3 ±12.57 years,ranging from 18 to 78 years, median age was 53 years. Males constituted the majority of cases (80%). Caseswere predominantly within 40-59 years age group (58%). The postmortem interval was ranging from 2 to17 hours (mean= 8.6 ±3.6 hours). After immersion in 1% TTC solution, 45 myocardial specimens showedmacroscopic pale/yellow areas which were indicative of acute myocardial infarcts within the ventricularwall, while histopathological examination of specimens revealed features of acute myocardial infarction(AMI) in 62 specimens. TTC stain was found to have a diagnostic sensitivity of 69.4% and specificity of76.9% in postmortem detection of AMI. Conclusion: The TTC technique allows identification of earlymyocardial necrosis. It’s practical, reliable and valid method that promises to be of considerable value. Itcan be used together with histopathology for postmortem detection of visually unapparent acute myocardialinfarcts.
Lärmuntersuchung an PKD-Planfräsern im Leerlauf
Authors: Dobrinski Alexander , Stehle Thomas , Möhring Hans-Christian
Published: September 2021

Die Geräuschbelastung bei der HSC (High Speed Cutting)-Fräsbearbeitung von Leichtbaumaterialien wie Aluminiumlegierungen und Kunststoffen ist aufgrund der hohen, auf den Maschinenbediener wirkenden Schallexpositionswerte sehr aktuell. Im Zuge eines Forschungsprojekts wurden die Entstehungsmechanismen des Lärms von schnell rotierenden Werkzeugen im Leerlauf untersucht.
Flexible Produktionsysteme/Agile Battery Cell Manufacturing as Response for Volatile Markets and Technologies
Authors: Fleischer Jürgen , Kößler Florian , Sawodny Julia , Storz Tobias , Gönnheimer Philipp , Hofmann Janna
Published: September 2021

Die industrielle Batteriezellfertigung ist geprägt durch starre Produktionssysteme für die Massenfertigung. Die Fertigung anwendungsspezifischer Zellen im geringen bis mittleren Stückzahlsegment erfolgt derzeit kostenintensiv in einer Werkstattfertigung. Basierend auf standardisierten Roboterzellen und einer flexiblen Steuerungsarchitektur wird ein Konzept zur hoch automatisierten material-, format- und stückzahlflexiblen Batteriezellfertigung beschrieben.

 

Industrial battery cell production is characterized by rigid production systems for mass production. The production of application-specific cells in a low to medium quantity segment is currently performed by cost-intensive workshop production. Based on standardized robotic cells and a flexible control architecture, a concept for highly automated battery cell production that is flexible in terms of material, format and number of units is described.
Parameterentwicklung im L-PBF-Prozess/Parameter development for laser powder bed fusion
Authors: Uhlmann Eckart , Mühlenweg Alexander
Published: September 2021

Die aktuelle Literatur zum Thema Laser Powder Bed Fusion (L-PBF) beschäftigt sich größtenteils mit Dauerstrich- (continuous-wave, cw) Laser-Anlagen, die kontinuierlich strahlend das Pulverbett scannen. Zusätzlich gibt es Anlagen mit gepulsten (quasi-continuous-wave, qcw) Lasern, die einen Puls bestimmter Dauer auf einen Punkt abgeben und dann zum nächsten Punkt springen. Die Parametersätze sind nicht ohne Weiteres zwischen den Anlagentypen übertragbar. Diese Arbeit behandelt die Parameterentwicklung für den Werkstoff Haynes 282 auf einer qcw-L-PBF-Anlage.

 

Current literature on Laser Powder Bed Fusion (L-PBF) mainly focuses on continuous-wave (cw) laser systems to scan the powder bed while continuously emitting laser light. Also, there are systems with pulsed (quasi-continuous-wave, qcw) lasers to scan one point in the powder bed for a set duration and then jump to the next point. The parameter sets for one system are not easy to transfer to a different type of laser system. This work describes the development of a parameter set for Haynes 282 on a system with a qcw laser.
Modellierung des Kontaktimpulses beim Bürstspanen/Contact Impulse Modeling for Brushing Tools
Authors: Uhlmann Eckart , Hoyer Anton
Published: September 2021

Das Bürstspanen ist ein flexibles Finishingverfahren, dessen Prozessauslegung im industriellen Umfeld meist auf Erfahrungswerten basiert. Neue Erkenntnisse im Bereich der Prozessmodellierung erlauben jedoch zunehmend die numerische Simulation wichtiger Kenngrößen. Somit stellt dieser Beitrag eine Methode vor, die für das Arbeitsergebnis relevanten Kontaktkräfte zu simulieren, indem als Zwischenschritt der vom Werkzeug auf das Werkstück übertragene Kontaktimpuls berechnet wird.

 

Brushing is a flexible finishing process, whose industrial process design is usually based on experiential values. However, new findings in the field of process modeling increasingly allow for the numerical simulation of important characteristic variables. Hence, this article introduces a method to simulate contact forces relevant for the work result by interim calculation of the contact impulse transmitted by the tool onto the workpiece.
Online Learning für die präventive Verschleißdetektion/Online Learning for preventive wear detection – Online Retraining of Deep Learning models for unknown wear patterns
Authors: Schlagenhauf Tobias , Ammann Nicholas , Fleischer Jürgen
Published: September 2021

Die industrielle Zustandsüberwachung mithilfe von Techniken des Maschinellen Lernens (ML) wird für die Wettbewerbsfähigkeit von Herstellern immer wichtiger [1]. In diesem Beitrag wird eine Methode vorgestellt, ML-Modelle zur präventiven Verschleißerkennung von Kugelgewindetrieben auf Umgebungsveränderungen im Betrieb (online) nachzutrainieren. Damit lässt sich Domänenwissen graduell im Modell implementieren, um die Klassifikationsgüte auch für neuartige Verschleißmuster stabil zu halten.

 

Industrial condition monitoring using machine learning (ML) techniques is becoming increasingly important for manufacturers‘ competitiveness [1]. This paper presents a method to retrain ML models for preventive wear detection of ball screw drives in Process (online) to environmental changes and thus gradually implement domain knowledge in the model to keep the classification quality stable even for novel wear patterns.
A visible-light-induced, metal-free bis-arylation of 2,5-dichlorobenzoquinone
Authors: Winant Pieterjan , Dehaen Wim
Published: September 2021

A metal-free protocol for the direct bis-arylation of 2,5-dichlorobenzoquinone with aryldiazonium salts is reported. The reactive salts are generated in situ and converted to radicals through irradiation with visible light. Reaction products precipitate from the solvent, eliminating the need for purification and thus providing a novel green method for the synthesis of versatile bis-electrophiles.
KOMUNITAS "SADAR KRISIS" DALAM PENANGGULANGAN WABAH COVID-19
Authors: Bambang Prayitno
Published: September 2021

AbstrakPandemi Covid-19 menjadi sebuah realitas baru dalam kehidupan manusia. Di Kota Palembang, data DinasKesehatan per 12 November 2020 menunjukkan tren kenaikan sebesar 3706 kasus yang terkonfirmasi dengankorban meninggal sebanyak 220 orang. Pemerintah melalui Satgas Nasional Penanggulangan Covid-19 danDirektorat Jenderal Pendidikan Tinggi meluncurkan program Edukasi Perubahan Perilaku (EPP) melibatkanmahasiswa untuk terlibat dalam upaya kreatif pemberdayaan kesadaran masyarakat. Perilaku merupakanmanifestasi pola pikir. Dengan mengaplikasikan pendekatan metode gabungan dilakukan analisis kritis terhadapmodel "Komunitas Sadar Krisis". Penelitian konseptual ini menggunakan teori perilaku sosio-ekonomi untukmenjelaskan kesadaran terhadap krisis manusia dari dua aspek. Pertama, manusia sebagai makhluk sosialdengan segala tindakan yang dimotivasi oleh pengakuan sosial. Kedua, manusia sebagai makhluk ekonomisdengan segala tindakan yang dimotivasi oleh pencarian manfaat. Hasil dari penelitian ini diharapkan dapatdikontribusikan bagi penanggulangan pandemi Covid-19.AbstractCovid-19 pandemic has become a new reality in human life. In Palembang City, the data from the HealthDepartment of Palembang City taken on the November 12th of 2020 has shown significantly that 3706 caseswith 220 deaths are confirmed. Indonesian Government through the National Task Force for Covid-19 Responseand Directorate General of Higher Education has launched an educational program for behavior change (EPP)with students involvement to develop creative efforts for public awareness. Behavior is a manifestation of thinkingpattern. In this research, a mixed-method approach is adopted through critical analysis of a community of "CrisisAwareness". Theory of socio-economic behavior is used to describe awareness towards crisis from two aspects.First, human being as a social man with his all action is motivated by social recognition. Second, human beingas an economic man with his all action is motivated by benefit-seeking motives. The result of this research couldcontribute in developing a sense of crisis related to Covid-19 pandemic.
New characterizations for differences of composition operators between weighted-type spaces in the unit ball
Authors: Chen C.
Published: September 2021

In this paper, we present some asymptotically equivalent expressions to the essential norm of differences of composition operators acting on weighted-type spaces of holomorphic functions in the unit ball of . Especially, the descriptions in terms of are described. From which the sufficient and necessary conditions of compactness follows immediately. Also, we characterize the boundedness of these operators.
Edzett agy. Hogyan növeli az agyad teljesítőképességét a mozgás?
Authors: Németh Viktor
Published: September 2021

Lifelong learning is an integral part of the Hungarian education strategy in line with EU guidelines. In line with the maintenance of learning abilities, the school movement culture in the form of everyday physical education has also entered the Hungarian education system. The latter has been proven to have a distinctly beneficial effect on learning processes by a number of researches and studies. Anders Hansen’s book presents and explains the effects of everyday movement on the brain through practical examples. These simple exercises and daily habits can be done at all ages without the need of tools. And their effects are interpreted in plain language by the author, using the latest neuroscientic findings.
A lengyel rendőri alapképzési rendszer
Authors: Németh Gábor
Published: September 2021

In Poland, the popularity of the police, the border guards, and the Polish armed forces after the political changes is very high and unbroken. The majority of the population has confidence in the police and sees them as an organization that protects the safety of citizens and serves them. During the decades of communism, like all police in the Eastern Bloc, the law enforcement operated under party’s full control and its main task was to protect the socialist state order. Its operation was permeated by total political influence. During this period,maintaining the power of the party instead of serving the citizens was one of the main tasks of the Polish police. During the decades of communism, police officers brutally acted against people who were not satisfied with the political system and criticized it. For example, in December 1970 there were 18 victims after the police used firearms and live ammunition in Gdynia demonstration. Or also the system critic Roman Catholic priest Jerzy Popieluszko was murdered by some policemen in 1984. After the change of regime, this police force hadto be made up of a law enforcement agency according to the European standard, serving and protecting the citizens. It has to be well-functioning, transparent and accountable. It seems to me that this aim has been fully achieved by our Polish friends.
A lengyel rendőrség hivatásos állományú személyzetének kiválasztási rendszere
Authors: Mogyoródi Gergely
Published: September 2021

This paper examines the selection system of the Polish police officers. To present this, the general organizational and educational characteristics, the process of recruitment, the personal and the qualification criteria, furthermore the eligibility requirements were studied. The research was performed by collecting and analyzing open sources in English and the relevant literature, besides a structured written and oral interview was applied. Previously, this topic was not addressed in Hungary, therefore it can be considered as knowledgeexpanding and suppletory. The conclusion is that the Polish Police - just like other European countries studied up-to-now (Ireland, England and Wales, Northern-Ireland, Scotland, the Czech Republic, Malta, Cyprus and Slovenia) - structure the police selection system on similar principles, taking into account territorial particularities, too.
Distribution of ground beetles of the genus Bembidion (Coleoptera, Carabidae) in the agricultural landscape in Northwestern Russia
Authors: Guseva Olga G. , Koval Alexander G.
Published: September 2021

We have observed seven species of predator beetles of the genus Bembidion in the agricultural landscape of the Leningrad Region (Northwestern Russia) between the years 2008 and 2018. These species reach their highest abundance in sun-exposed areas, especially mesophilic B. quadrimaculatum Linnaeus, 1761, B. properans (Stephens, 1828), B. lampros (Herbst, 1784), and B. femoratum Sturm, 1825. A few mesohygrophilic B. guttula (Fabricius, 1792) and B. gilvipes (Sturm, 1825) live primarily in areas of dense vegetation. Finally, the hygrophilic B. bruxellense (Wesmael, 1835) was only observed on the most humid soils. Assemblages of Bembidion ground beetles were separated in the fields, field boundaries, and adjacent habitats.
First record of the leafhopper Platymetopius notatus Fieber (Hemiptera, Cicadellidae, Deltocephalinae) from northwest Algeria with description of the species
Authors: Guerrouche Nabila , Hamadi Kamel , Marniche Faiza , Aziri Hocine
Published: September 2021

A continuous monitoring of leafhoppers in a pear orchard (Pyrus communis L.) of Santa Maria variety, located in Khemis Miliana in northwest Algeria for a period of 7 months from February to August 2019, revealed a species, Platymetopius notatus Fieber, earlier having been reported from Europe (Spain, Portugal). The species is reported in two African countries (Morocco and Tunisia).

The species is recorded for the first time from Algeria and is re-described and illustrated along with the male and female genitalia structures for the first time.
TaxoTracker: A collaborative platform for taxonomic resource maintenance
Authors: Dowdy Nicolas J.
Published: September 2021

Taxonomy is foundational to all biological sciences. Names allow us to organize and communicate information about biological groups. This process is critical for understanding and preserving the biodiversity of our planet. There are an estimated 8.7 million extant eukaryotes (Mora et al. 2011) and possibly as many as 1 trillion microbial species (Locey and Lennon 2016), with untold numbers of extinct taxa yet to be discovered in the fossil record. Accounting for all these taxa and maintaining their nomenclatural resources is one of the great challenges in biology.

A few major hurdles in overcoming this challenge are the inability to find, share, and update taxonomic resources efficiently in real time. Efforts to standardize and continually update taxonomic names in a sustainable way have been limited. The problem is complex, and solutions must deal with the large backlog of names, a constant stream of new names, the confusing merging and splitting of taxonomic synonyms, the subjective nature of taxonomic concepts, and the fundamental limitations on available expertise and curators' time to prepare and maintain such resources. Hyperdiverse groups such as arthropods are especially challenging as there are relatively few experts on any given lineage and changes in taxonomy can be rapid as new species are continually being discovered and described.

After struggling to wrangle taxonomic resources in support of specimen digitization efforts, I began development of TaxoTracker as a proof-of-concept, web-based platform for facilitating expert curation and dissemination of biological taxonomies. TaxoTracker is still in development, but its current and planned functionalities will be shown through a combination of demonstration and discussion. TaxoTracker identifies and implements features that attempt to simplify the production and maintenance of expert-curated resources, while also limiting the responsibilities that are placed on individual experts who are often already overburdened and underfunded. These features include:

Centralized, searchable, and easily obtained resources in useful formats

Community-driven, citation-based curatorial suggestions

Expert-reviewed curatorial recommendations

Consensus-driven curatorial decisions

Effort tracking and credit for suggestions and reviews

Centralized, searchable, and easily obtained resources in useful formats

Community-driven, citation-based curatorial suggestions

Expert-reviewed curatorial recommendations

Consensus-driven curatorial decisions

Effort tracking and credit for suggestions and reviews
Is there sufficient evidence to justify changes in dietary habits in heart failure patients? A systematic review
Authors: García-García Alejandra , Alvarez-Sala-Walther Luis A. , Lee Hae-Young , Sierra Cristina , Pascual-Figal Domingo , Camafort Miguel
Published: September 2021

The incidence and prevalence of heart failure (HF) is increasing worldwide, leading to high morbidity and mortality. The global management of HF involves lifestyle changes in addition to pharmacological treatments. Changes include exercise and dietary recommendations, mainly salt and fluid restriction, but without any clear evidence. We conducted a systematic review to analyse the degree of evidence for these dietary recommendations in HF. Only randomized controlled trials (RCT), and observational studies in humans were selected. Studies were considered eligible if they included participants with HF and sodium and/or fluid restriction. Publications in languages other than English or Spanish were excluded. We included 15 studies related to sodium or fluid restriction. Nine RCT and six observational studies showed some improvements in symptoms and quality of life and a degree of reduction in new hospitalizations, but the results are based on limited population groups, applying different methodologies, and with different restriction goals. We found a lack of clear evidence of the benefits of sodium/fluid restriction in chronic HF. The evidence is limited to few studies with conflicting results. Randomized clinical trials are needed to fill this gap in our knowledge.
Catégoriser les races pour mieux les compter et les comparer : une ethnographie des conditions d’élaboration des « statistiques populaires » du CRAN
Authors: Bouadjadja Jawad
Published: September 2021

À partir d’une participation ethnographique à un projet de statistiques ethnoraciales mené par les militants du Conseil représentatif des associations noires de France (CRAN) en 2015, cette recherche analyse la manière dont les catégories ethnoraciales peuvent constituer des ressources mises au service d’un raisonnement statistique à des fins militantes. En mobilisant la sociologie de la quantification et du « statactivisme » cet article interroge les opérations de définition et de classement des catégories ethnoraciales. Il montre notamment la manière dont une pratique de catégorisation ethnoraciale profane et militante a pu faciliter la quantification de la réalité en appui à la dénonciation des discriminations raciales.
Quels espaces de liberté dans l’entreprise dite libérée ?
Authors: de Ridder Marine , Taskin Laurent
Published: September 2021

Dans cet article, nous interrogeons le rôle des pratiques de GRH sur la liberté au travail dans le contexte des entreprises dites libérées. Notre analyse se base sur une étude de cas réalisée au sein d’une administration dite libérée, combinant 62 entretiens semi-directifs et 23 temps d’observation directe. En mobilisant le concept de liberté sociale développé par Honneth (2015), nous explorons les enjeux individuels et collectifs de la reconnaissance et nous montrons que les pratiques de GRH associées à la libération de l’organisation produisent également du déni de reconnaissance. Ce faisant, cet article contribue à interroger la notion de liberté dans ce contexte organisationnel particulier—un impensé des recherches sur le sujet—et montre comment la liberté sociale se trouve finalement empêchée par l’opérationnalisation, en GRH, de l’idéal de libération des organisations.
Careers in context: analysis of career trajectories of PhD holders outside of academia
Authors: Canolle Fabien
Published: September 2021

Pourquoi, dans un contexte institutionnel où frontières et manières de produire la connaissance entre le monde universitaire et d’autres organisations s’amenuisent, les carrières vers les organisations hors secteur universitaire après le doctorat peinent à émerger, certains doctorants préférant rester «tristes» dans des contrats temporaires et des files d’attente pour accéder à la profession académique ? Cette recherche interroge 20 diplômés de doctorat de l’Université de Lyon qui travaillent actuellement dans des entreprises privées, pour comprendre leur trajectoire de carrière. La recherche s’appuie sur une littérature dans les courants des carrières qui met l’accent sur les contextes pour comprendre la construction et les changements de carrière ; et sur la théorie de l’activité (TA), pour montrer comment l’objet de l’activité de recherche doctorale se transforme à travers la trajectoire de carrière des diplômés de doctorat vers l’entreprise privée. A l’aide de la technique des récits de vie et d’un cadre d’analyse basé sur la TA, je montre ce qui est commun aux trajectoires de carrière vis-à-vis de l’objet du travail de recherche (dimensions et transformations) et comment les jeunes docteurs re-conceptualisent progressivement l’objet de leur travail dans leur parcours, là où une exigence émotionnelle est forte. Les communautés, les instruments, l’histoire de vie et la division du travail sont à la fois des ressources et des sources de tensions à travers la trajectoire. Cette recherche montre que les jeunes docteurs réalisent un travail épistémique mouvant sur leur carrière en même temps qu’ils produisent de la connaissance scientifique. L’objet de leur travail se stabilise lors de l’entrée dans l’entreprise. Cette recherche contribue à la connaissance sur les trajectoires de carrière des jeunes docteurs en dehors du secteur académique et à la conceptualisation du contexte sur les recherches sur les carrières, à l’aide de l’AT, et établie quelques recommandations pratiques pour les universités.