bluuebunny/crossref_metadata_2025 huggingface dataset:
Monitoring of Mean Processes with Mixed Moving Average – Modified Exponentially Weighted Moving Average Control Charts
Authors: Talordphop Khanittha , Sukparungsee Saowanit , Areepong Yupaporn
Published: December 2022

In Statistical Process Control, a control chart is the most effective equipment for monitoring and improving processes. Classic control charts were created in the past and were effective at detecting both small and large changes. However, the mixed control chart has been presented to improve the performance of the traditional control chart. This research introduces a new mixed control chart, MA-MEWMA, which combines the moving average (MA) and the modified exponentially weighted moving average (MEWMA) charts to detect the tiny changes in the procedures both of symmetric and asymmetric distributions. The average run length (ARL) can also be used to measure progress in the MA-MEWMA chart with Shewhart, MA, and MEWMA charts that employ Monte Carlo simulation. The experiments demonstrated that the proposed chart had a greater impact compared to all other control charts with the parameter level ±0.05, ±0.10, ±0.25, ±0.50, ±0.75, ±1.00, ±1.50 through discovering a change in the average of the method in the control where ARL0 = 370. On the other hand, when the parameter level was set to 2.00, ±3.00, ±4.00, the MA control chart performed admirably. An excellent example is data set on viscosity from a batch chemical process. Environmental information data were provided to explain how the suggested chart and MA-MEWMA charts are implemented, demonstrating that the MA-MEWMA chart was more successful than other charts in detecting changes.
Experimental Investigation of the Muzzle Blast for the Amphibious Rifles when Shooting Underwater
Authors: Van Hung Nguyen , Doan Dao Van
Published: December 2022

Designed for amphibious combat forces, the amphibious rifle is a revolutionary new kind of weapon. This firearm's design and the determination of the effect of shooting on the shooter are both dependent on the development of the underwater muzzle blast. In this work, an experiment to evaluate the muzzle blast overpressure and gas bubble characteristics of an amphibious rifle when shooting underwater is performed in order to better understand the weapon's capabilities. This inquiry is focused on the 5.56 mm amphibious rifle with 5.56x45 mm underwater ammunition. The results of the experiments indicated that the Rayleigh-Plesset equation may be used to describe and predict the size of gas bubbles. The experimental data may be utilized to compute the law of change of overpressure based on the experimental results. Also, it is a very important base for studying, designing, making, and mastering weapon technology, which are all very important steps in the development of weapon technology
Using learner data from Duolingo to detect micro- and macroscopic
granularity through machine learning methods to capture the language
learning journey
Authors: Chiera Belinda , Bédi Branislav , Zviel-Girshin Rina
Published: December 2022

Modern language learning applications have become ‘smarter’ and
‘intelligent’ by including Artificial Intelligence (AI) and Machine Learning
(ML) technologies to collect different kinds of data. This data can be used
for analysis on a microscopic and/or macroscopic level to provide
granulation of knowledge. We analyzed 1,213 French language learner data
over a 30-day period, publicly available from Duolingo, to compare the
progression of individual learners (microscopic granularity) and large
groups of learners (macroscopic granularity). Using network modeling, we
compared patterns of individual learners against one another and that of a
learning community and determined what groups of learners typically practice
across communities. Preliminary results suggest how applications for L2
learning can be designed to create an optimal path for learning.
The role of CALL in the ecology of language teachers’ well-being and professional development
Authors: Nguyen Dinh Thien Bao
Published: December 2022

While previous studies have established the significance of CALL (Computer-Assisted Language Learning) in language education, the extent to which CALL influences language teachers’ well-being and their professional development has not yet been fully understood. This echoes Dörnyei’s (2018) argument that although language teachers are the most important factors in learners’ success, their contributions have not been considered sufficiently. As such, this short paper presents an ongoing mixed-methods project investigating Vietnamese and Japanese language teachers’ well-being and the role of CALL in the ecology of language teaching at both personal and work levels using Bronfenbrenner’s (1979) ecological system framework. The primary method is the grounded theory analysis and preliminary results from Vietnamese teachers’ semi-structured interviews which have shown the importance of CALL in language teachers’ well-being’s ecology. Also, the role of the community of practice has also emerged as an informal support in language teachers’ ecological well-being system.
Pronunciation practice in Google Translate: focus on French
liaison
Authors: Papin Kevin , Cardoso Walcir
Published: December 2022

This paper examines the impact of self-directed pronunciation practice
using Google Translate (GT) on the acquisition of French liaison (the
production of latent consonants when they appear in consonant-vowel contexts
across words: /z/ in le/za/mis ‘the friends’). Second-language (L2) French
learners completed homework activities on GT to practice pronunciation,
utilizing the tool’s Text-To-Speech (TTS) and Automatic Speech Recognition
(ASR) capabilities. Using a pretest/posttest design, the acquisition of
liaison was assessed in terms of phonological awareness, perception, and
production. The results indicated that while the L2 French learners
significantly improved in their ability to produce liaison, their awareness
and perception were not affected due to ceiling effects. Overall, learners
reported positive views of their GT-based, self-directed learning
experience.
Growth mindset, CALL, and students as partners – does it work in a
primary school context?
Authors: Ward Monica
Published: December 2022

This paper explores the use of a Computer Assisted Language Learning
(CALL), growth mindset infused, student partnership approach to language
learning in a primary school context. Early success is important in language
learning. Students may doubt their ability to learn a language, especially
if they have had a non-positive experience of learning a language. This
research study looks at a research intervention for learning Spanish in an
Irish primary school. A combination of in-class and CALL resources were used
to teach Spanish in six sessions to 120 students from six different classes
(10-12 years of age), all of whom were beginners. Most had learnt Irish
since four or five years of age and had no previous exposure to CALL, growth
mindset, or a student partnership. There were several logistical hiccups
along the way, including a low response rate to the end of intervention
survey (via questionnaire). However, the overall indications are that the
students enjoyed the approach and that it could be used in other
contexts.
Sense of Place, Physical Activity, and Quality of Life as a Part of Community Well-being in Three European Community
Authors: Mousazadeh Hossein
Published: December 2022

The present study considers the measurement of quality of life as indicators of community well-being, which can be affected by the conditions of physical health, psychological, environment, and relationships of community residents. The purpose of this study was to test the perception of the residents of the community about the effect of the river and the satisfaction of the residents in different areas of life. This research was tested using a survey of 450 respondents from different communities in Europe. Participants completed measures of the World Health Organization Quality of Life-BREF questionnaire, Sense of place questionnaire, and author survey questionnaire about the type of Physical Activity. The results highlighted that all five domains of quality of life are strongly related to the length of time living by the river. Most of the participants stated that living by the river increases their self-confidence, security, and spirit of participation, which is directly related to enhancing the well-being and quality of life of citizens. According to the findings, the factor of security by the river is the most frequent. Participants who had lived near a river for more than 15 years were more likely to report greater physical activity, sense of place, and thus quality of life. In addition, several socio-demographic and basic factors related to the quality of life of the participants were also identified in this research.
The Various Designs of Storage Solar Collectors: A Review
Authors: Ahmed Omer K , Algburi Sameer , Daouda Raid W. , Shubat Hawazen N , Aziz Enas F
Published: December 2022

The use of solar energy to heat water is the more critical application of solar energy. Researchers are trying to develop different methods to improve the efficiency of solar water heaters to meet the increasing demand for hot water due to global population growth. To reduce the cost and increase the efficiency of solar heaters, the solar collector and the storage tank are combined into one part, and this system is called solar storage collector. It can be defined as geometric shapes filled with water, painted black, and placed under the influence of sunlight to gain the largest amount of solar energy. This article presents the various designs of solar storage collector. This review showed that design variables and design shape significantly affect the efficiency of the solar heating system. Climate and operational factors also have a strong influence on the performance of solar heating. Furthermore, scientists and researchers have also used nanotechnology, solar cells, and mirrors to improve other stored solar collectors' performance. Finally, recently published articles indicate an increase in interest in improving the efficiency of solar storage collector by creating new designs that enhance the economic and practical viability.
Editorial
Authors: Kaczmarek Tomasz , Mikuła Łukasz , Silva Carlos Nunes
Published: December 2022

The present publication is the result of the conference 'New Challenges of Local Governance in Times of Uncertainty and Complexity', held at the Adam Mickie- wicz University in Poznań, on June 23–24, 2021, organized by the International Geographical Union Commission on Geography of Governance and the Faculty of Human Geography and Planning of the Adam Mickiewicz University. It was the 2022 Annual Conference of the Commission and was organized online due to the COVID-19 pandemic.
Envy and Blame in the UBI Discussion
Authors: Franke Marcel
Published: December 2022

Envy and blame are two concepts that add social preferences to the economic behavior model of homo economicus. These have already been studied in general distributional issues as well as in the Edgeworth box. Building on this, these social preferences are examined specifically in the work-leisure model and applied to the example of a UBI. Here it is shown that envy is rather triggered by different endowments of individuals and blame only by different preferences. In the discussion about a UBI, this insight provides clarity about the normative basis of arguments against “free riders”. In terms of constitutional economics, envy can be combated through equality of opportunity, while blame can be contained through paternalism, at the expense of freedom of action.
Application of ultrasensitive assay for SARS-CoV-2 antigen in nasopharynx in the management of COVID-19 patients with comorbidities during the peak of 2022 Shanghai epidemics in a tertiary hospital
Authors: Wang Di , Lu Hailong , Li Yaju , Shen Jiazhen , Jiang Guangjie , Xiang Jin , Qin Huanhuan , Guan Ming
Published: December 2022

Objectives

Various comorbidities associated with COVID-19 add up in severity of the disease and obviously prolonged the time for viral clearance. This study investigated a novel ultrasensitive MAGLUMI® SARS-CoV-2 Ag chemiluminescent immunoassay assay (MAG-CLIA) for diagnosis and monitoring the infectivity of COVID-19 patients with comorbid conditions during the pandemic of 2022 Shanghai.

Methods

Analytical performances of the MAG-CLIA were evaluated, including precision, limit of quantitation, linearity and specificity. Nasopharyngeal specimens from 232 hospitalized patients who were SARS-CoV-2 RT-qPCR positive and from 477 healthy donors were included. The longitudinal studies were performed by monitoring antigen concentrations alongside with RT-qPCR results in 14 COVID-19 comorbid participants for up to 22 days. The critical antigen concentration in determining virus infectivity was evaluated at the reference cycle threshold (Ct) of 35.

Results

COVID-19 patients were well-identified using an optimal threshold of 0.64 ng/L antigen concentration, with sensitivity and specificity of 95.7% (95% CI: 92.2–97.9%) and 98.3% (95% CI: 96.7–99.3%), respectively, while the Wondfo LFT exhibited those of 34.9% (95% CI: 28.8–41.4%) and 100% (95% CI: 99.23–100%), respectively. The sensitivity of MAG-CLIA remained 91.46% (95% CI: 83.14–95.8%) for the samples with Ct values between 35 and 40. Close dynamic consistence was observed between MAG-CLIA and viral load time series in the longitudinal studies. The critical value of 8.82 ng/L antigen showed adequate sensitivity and specificity in evaluating the infectivity of hospitalized convalescent patients with comorbidities.

Conclusions

The MAG-CLIA SARS-CoV-2 Ag detection is an effective and alternative approach for rapid diagnosis and enables us to evaluate the infectivity of hospitalized convalescent patients with comorbidities.
Influence of Fe3+ on titanium corrosion in H2SO4 solutions without and with F−
Authors: Liu Xin Xin , Sakairi Masatoshi , Liao Qiang Qiang
Published: December 2022

Influence of Fe3+ on the corrosion of titanium in H2SO4 solution without F− and with F− was investigated by electrochemical tests. The electrochemical test results showed that Fe3+ could significantly inhibit titanium corrosion in H2SO4 solution without F− and with F− by promoting the protective film formation on titanium. Titanium corrosion resistance (Rc) was positively related to the concentration of Fe3+ in H2SO4 without and with F−. A mechanism was proposed for Fe3+ inhibiting the corrosion of titanium in H2SO4 solution without and with F−.
A sampling of environmental data, and its presentation, from a multi-role U.S. coast guard aircraft
Authors: Greer James M.
Published: December 2022

This work presents a summary of environmental data from 3600 h of data collected during operations of a U.S. Coast Guard HC-130H aircraft performing its routine missions over a five-year period. The aircraft operated from multiple U.S. and deployed locations during the data collection period in the tropical and mid-latitudes at altitudes up to 8.5 km (28 kft). The aircraft collected pressure, temperature and humidity data during the period. No aerosol components were sampled (chlorides, sulfur dioxide, etc.). While there was no Time of Wetness sensor, the ISO 9223 definition is used for the present work as an estimator. These data are presented in the context of research into corrosion and environmental severity, or the potential conditions for it. About 40% of the data were collected while the aircraft was parked on the ground at various based and deployed locations. The purpose of this work is to present and summarize the flight data as an aid in providing some context for future research into environmental effects as they relate to both corrosion and environmentally assisted cracking (EAC) of aircraft structure, and perhaps for comparisons with existing or future datasets from aircraft having other missions. Prediction models need realistic, real-world inputs, such as those presented here. An example for the use of these data in corrosion prediction based on the ISO 9223 international standard is presented. Perhaps not surprisingly, these data show that, for this aircraft, conditions most favorable to corrosion occurred while the aircraft was on the ground.
New methodology to reduce power by using smart street lighting system
Authors: Al-khaykan Ameer , Aziz Ali Saleh , Al-Kharsan Ibrahim H. , Counsell John M.
Published: December 2022

One of most important things now is to create smart street and smart lighting system to save enormous electrical energy. Especially Iraq is suffering shortage of electrical energy generation up to 45%. Because of this, Iraq needs to save a lot of electrical energy in the entire country so as to meet the electrical demand and reduce the large amount of CO2 emission. However, this work presents a very unique and economic control lighting system (CLS) for main streets and sidewalks, which can control the lighting system to give sufficient illumination to the drivers and the pedestrians simultaneously. And at the same time, the CLS system can reduce a lot of electrical energy consumption and the CO2 emissions together. However, by using these smart systems with the exciting illumination source in the streets, the CLS can minimize the electrical energy consumed for the lighting at the main roads and the footpath by about 60% and can use the surplus energies to fill the shortage of electricity in the country. Also, this system will increase the lifetime of the lighting system which means further decrease in cost. Finally, this work presents new type of illumination source, high-intensity discharge (HID), which can reduce the electrical consumption much more by up to 90%, when using the CLS with HID.
Modified kaolin hydrogel for Cu2+ adsorption
Authors: Chen Jin , Zhao Kun , Liu Lu , Gao Yuyu , Zheng Lu , Liu Min
Published: December 2022

Removal of Cu2+ ions from contaminated water is an important but challenging task. This study reports the synthesis of a composite hydrogel from two natural polysaccharides, namely, sodium alginate and chitosan, using inexpensive kaolin as a raw material and polyacrylamide as a modifier. The hydrogel had a high adsorption capacity and selectivity for Cu2+. The composite hydrogel was characterized by Fourier transform infrared spectroscopy, X-ray diffraction, and scanning electron microscopy. The pseudo-second-order kinetic model was the most suitable model for the kinetic results, and the Langmuir isotherm model was the most representative of the sorption system. The results revealed that the adsorption process was mainly controlled by chemisorption. The maximum adsorption capacity of the adsorbent was 106.4 mg·g−1. Therefore, this study presents a new perspective on the application of composite hydrogels as Cu2+ adsorbents.
KI Made in Europe
Authors: Sommerfeld Alicia
Published: December 2022

The way new media technologies such as Artificial Intelligence (AI) are implemented in our cultures is not only configured by technologies themselves, but also by circulating narratives, appropriations, and rhetorics. This article takes on the topic of AI rhetorics, using the example of mass media’s depiction of the role Germany and Europe play regarding these new technologies. It does so by (1) discussing the current state of Critical Algorithm Studies research, (2) presenting the results of a case study of German newspaper articles, and (3) reflecting on starting points for an applied rhetoric. In public discourse, AI systems are – implicitly – framed as being uncircumventable for our cultures, and specific issues that they entail appear to be unambiguous at first glance. Based on my findings, I contend that there is a pressing need for differentiated studies on AI rhetorics, just as much as there is a need for rhetorically educated subjects to shape our collective futures and conceive of new utopias.
Wir müssen reden
Authors: Schwarz Elisa , Pakhomenko Daniil
Published: December 2022

Whereas debating societies look back at a long tradition in Great Britain, in Germany rhetorical training was mostly absent from schools and universities until the early 2000 s. Over the last 20 years, however, a young debating scene has developed from this vacuum of rhetorical practice. In universities, the Verband der Debattierclubs an Hochschulen (VDCH) has been established as the umbrella organization for student debating societies, and a lively tournament scene has emerged. At school level, a format called Jugend debattiert was created, which provides a debating-curriculum for German lessons. Also, an all-German debating-competition among students is organized every year. Time to take stock after all those years: How has the German debate scene developed? What are the expectations of young people when they join debating clubs? And are their expectations met?
Erinnerungsmarkierungen in Zeitzeugenerzählungen. Episodische Rekonstruktion und epistemische Authentifizierung in Gesprächen mit Überlebenden der NS-Zwangsarbeitslager
Authors: Gülich Elisabeth , Pfänder Stefan
Published: December 2022

An essential task of contemporary witnesses in oral history interviews is to remember past events and to communicate these memories to others. This is all the more challenging, as it often involves narrative reconstructions of virtually ‘indescribable’, ‘unspeakable’ or ‘unimaginable’ events. The present study is interested in videographed narratives of French contemporary witnesses of National Socialist forced labour. By verbatim and thus explicitly indicating that they ‘remember something’ (in French they do this withje me souviensorje me rappelle, among others), the witnesses authenticate their memories and reveal their memory process to others. Our analysis shows two different form-function designs: softly articulated forms of memory markers with retrospective syntactic scopus have the communicative function of indicating what exactly is remembered and what is not, in order to be credible as a contemporary witness. Emphasised, clearly articulated memory markers, on the other hand, have a prospective syntactic scopus and have the communicative function of opening an episodic narrative sequence. If the multimodal analysis is extended to the physical movements of the eyewitnesses during narration, it can be shown that the different levels of expression (especially syntax, prosody and posture, direction of gaze as well as gestures) together give rise to an expressive multimodal gestalt.
Elcadasilente y la distributividad a distancia en el español rural europeo
Authors: del Barrio de la Rosa Florencio
Published: December 2022

The present study tackles agreement mismatches triggered by a distributive phrase withcada(‘each’) potentially functioning as syntactic subject in rural European Spanish. The study has two main and mutually compatible goals. First, it aims at linking this phenomenon with the vernacular tendency of “externalization of plurality” in Spanish. The second goal is to demonstrate that, on the basis of the most recent theories about the semantics of distributivity, mismatches evidence the existence of a covert distributivity operator (silentcada) in Spanish syntax. The information structure of rural varieties of Spanish and the connections between topics and subjects prompt the emergence of a preverbal distributive operator. The data support the idea that Spanish exhibits “distance distributivity” as an additional mechanism to “floated quantification”. Data are extracted from theCorpus Oral y Sonoro del Español Rural(COSER).
Spatial representation and sociolinguistic synergies
Authors: Williams Colin H.
Published: December 2022

A closer interdisciplinary engagement by geographers, ethnographers and sociolinguists has resulted in new thematic issues being investigated and more sophisticated methodological approaches being adopted. The development of advanced IT and AI capabilities, particularly the wider adoption of Geographical Information Systems (GIS), has opened up new means of exploring and representing aspects of human behaviour. Of particular note is the appreciation by sociolinguistics of the various spatial perspectives currently being utilised in sub-disciplines such as studies of the interactions within metropolitan multilingual contexts, linguistic landscapes, new speaker research and applied language policy. This paper calls for a greater mutual reciprocity and syncretic interpretation of several key issues and promising methodologies. It also indicates how sociolinguists can contribute to significant societal debates on language policy and planning as part of social planning.
Vorhersagen und Entscheiden: Predictive Policing in Polizeiorganisationen
Authors: Egbert Simon , Esposito Elena , Heimstädt Maximilian
Published: December 2022

In vielen Organisationen kommen im Zuge der Digitalisierung Algorithmen zum Einsatz, die Vorhersagen generieren. Dieser Beitrag analysiert die Auswirkungen dieser Algorithmisierung auf Entscheidungen in der Polizei am Beispiel von Predictive Policing. Unter Predictive Policing wird die zunehmende Verwendung von Prognosesoftware zur Vorhersage und Prävention kriminellen Verhaltens in Polizeiorganisationen verstanden. Ausgehend von der Differenzierung zweier Varianten polizeilicher Prognosesoftware, die sich durch einen unterschiedlichen Grad an Verständlichkeit für deren Nutzer:innen auszeichnen, untersucht der Beitrag die Auswirkungen dieser Algorithmen auf zentrale Entscheidungsprämissen polizeilicher Organisationen: Programme, Kommunikationswege und Personen. Die Analyse ermöglicht einen Ausblick auf die Folgen der zukünftigen Entwicklung prädiktiver Software für die Polizei als Organisation, die wir im Fazit darstellen.
Post-NPM-Governance und Grenzobjekte. Zur organisationalen Funktion des Digitalisierungsdiskurses an Universitäten
Authors: Tratschin Luca
Published: December 2022

Der Artikel zeigt anhand der Analyse von Strategien und Maßnahmen dreier Schweizer Universitäten, wie Digitalisierung als organisationales Grenzobjekt angeeignet wird. Während das Aufgreifen der Digitalisierungsthematik vordergründig dazu dient, gesellschaftliche Responsivitätserwartungen zu bedienen, kommt ihr die latente Funktion zu, die heterogenen professionellen Interessen innerhalb der Universitäten auf ein gemeinsames Projekt hin zu orientieren. Digitalisierung macht Koordination möglich, ohne einen Konsens über ihre konkrete Bedeutung und Umsetzung in unterschiedlichen Arbeitskontexten vorauszusetzen. Sie kompensiert so die Limitationen hierarchischer Steuerung, die in Governancemodellen der Post-NPM-Ära anerkannt wird, um dennoch eine gesamtorganisationale Handlungsfähigkeit der Universitäten dar- und herstellen zu können. Am Beispiel der Digitalisierung argumentiert der Artikel weiterführend, dass Grenzobjekte nicht ohne weiteres auf Dauer bestehen. Wenn Grenzobjekte die Zusammenarbeit innerhalb von Organisationen wie z. B. Universitäten längerfristig stabilisieren sollen, stellt sich die Frage, wie mit ihrem ephemeren Charakter umgegangen wird. Abschließend kommt der Artikel zu der Einschätzung, dass Grenzobjekte angesichts jüngerer Entwicklungen auch in anderen Organisationstypen, wie z. B. Unternehmen, eine zunehmende Rolle spielen könnten.
Minkowski deviation measures
Authors: Moresco Marlon , Brutti Righi Marcelo , Horta Eduardo
Published: December 2022

We propose to derive deviation measures through the Minkowski gauge of a given set of acceptable positions. We show that, given a suitable acceptance set, any positive homogeneous deviation measure can be accommodated in our framework. In doing so, we provide a new interpretation for such measures, namely, that they quantify how much one must shrink or deleverage a financial position for it to become acceptable. In particular, the Minkowski Deviation of a set which is convex, translation insensitive, and radially bounded at non-constants, is a generalized deviation measure in the sense of [R. T. Rockafellar, S. Uryasev and M. Zabarankin,
Generalized deviations in risk analysis,
Finance Stoch. 10 2006, 1, 51–74]. Furthermore, we explore the converse relations from properties of a Minkowski Deviation to its sub-level sets, introducing the notion of acceptance sets for deviations. Hence, we fill a gap existing in the literature, namely the lack of a well-defined concept of acceptance sets for deviation measures. Dual characterizations in terms of polar sets and support functionals are provided.
Cyclic weak ϕ iterated function system
Authors: Ullah Kifayat , Katiyar S. K.
Published: December 2022

In this article, we are considering the cyclic weak ϕ-contraction and prove that the result is also true in Hausdorff metric space. We are constructing a cyclic weak ϕ iterated function system (IFS), which gives the self-referential set or attractor, called the fractal.
Convergence analysis for split hierachical monotone variational inclusion problem in Hilbert spaces
Authors: Abass H.A. , Jolaoso L. O. , Mewomo O. T.
Published: December 2022

In this paper, we introduce a new iterative algorithm for approximating a common solution of Split Hierarchical Monotone Variational Inclusion Problem (SHMVIP) and Fixed Point Problem (FPP) of k-strictly pseudocontractive mappings in real Hilbert spaces. Our proposed method converges strongly, does not require the estimation of operator norm and it is without imposing the strict condition of compactness; these make our method to be potentially more applicable than most existing methods in the literature. Under standard and mild assumption of monotonicity of the SHMVIP associated mappings, we establish the strong convergence of the iterative algorithm.We present some applications of our main result to approximate the solution of Split Hierarchical Convex Minimization Problem (SHCMP) and Split Hierarchical Variational Inequality Problem (SHVIP). Some numerical experiments are presented to illustrate the performance and behavior of our method. The result presented in this paper extends and complements some related results in literature.
Understanding drive tourists – A typology of German classic car enthusiasts
Authors: Gronau Werner , Gabriel Sonja
Published: December 2022

In Germany, as well as in most western countries, the number of classic car owners is constantly rising. This clientele loves to utilize classic cars especially in the leisure and tourism context and therefore more and more specialized tour operator appear on the market. Based on those developments the research note at hands presents the first attempt to establish a target group segmentation of German classic car enthusiasts, to better understand their motivations and attitudes.
Early settlement construction in Southeast Asia: lime mortar floor sequences at Loc Giang, southern Vietnam
Authors: Grono Elle , Piper Philip J. , Kinh Dang Ngoc , Bellwood Peter , Denham Tim , Friesem David E.
Published: December 2022

Research on prehistoric mainland Southeast Asia is dominated by mortuary contexts, leaving processes such as the transition to sedentism relatively understudied. Recent excavations in southern Vietnam, however, have recovered new evidence for settlement. The authors report on investigations at the neolithic site of Loc Giang (3980–3270 cal BP) in southern Vietnam, where excavation revealed a vertical sequence of more than 30 surfaces. Microarchaeological analyses indicate that these features are carefully prepared lime mortar floors; the lime was probably produced from burnt shell. The floors date to between 3510 and 3150 cal BP, providing the earliest-known evidence for the use of lime mortar, and for durable settlement construction, in this region.
The Jarigole mortuary tradition reconsidered
Authors: Sawchuk Elizabeth A. , Hildebrand Elisabeth A. , Hill Austin Chad , Contreras Daniel A. , Edung Justus Erus , Janzen Anneke , Kurewa Abdikadir , Munene James K. , Ndiema Emmanuel , Grillo Katherine M.
Published: December 2022

The megalithic pillar sites found around Lake Turkana, Kenya, are monumental cemeteries built approximately 5000 years ago. Their construction coincides with the spread of pastoralism into the region during a period of profound climate change. Early work at the Jarigole pillar site suggested that these places were secondary burial grounds. Subsequent excavations at other pillar sites, however, have revealed planned mortuary cavities for predominantly primary burials, challenging the idea that all pillar sites belonged to a single ‘Jarigole mortuary tradition’. Here, the authors report new findings from the Jarigole site that resolve long-standing questions about eastern Africa's earliest monuments and provide insight into the social lives, and deaths, of the region's first pastoralists.
The Multimodal Framing Demands by Protesters’ Signs in Social Media
Authors: Numan Haitham
Published: December 2022

Using the Iraqi Tishreen movement as a case study, this paper applies frame and content analysis to explore the multimodal framing of the 2019 popular protests in Iraq to understand how protesters’ signs framed mass demands on social media. It analyses themes in the signs used by Iraqi protesters during the October 2019 uprising which were later posted on social media. The author collected 2113 posts from social media (Facebook, Twitter, and Instagram), including digital images of people holding protest materials, graphic designs, and placard designs. Images of protesters and their signs were considered material data. The author stopped compiling images after finding duplicates. The images included textual and visual signs as well as icons and symbols. The analysis revealed four major themes and messages intended by the protesters: a willingness to sacrifice for the nation, national unity, feminism, and demands. The theme of the demands is divided into 14 subthemes, such as ending militias, the separation of religion and state, and the rejection of sectarianism. The findings revealed Iraqi political expression on social media and the developments of Arab visual protest culture.
The Arabs and the Democratic Path
Authors: Baghdadi Abdul Salam Ibrahim
Published: December 2022

With the onset of the Arab Spring, concepts such as democracy, human rights, elections, governance, transparency, anti-corruption, and extremism became dominant motifs influencing progressive movements. These concepts are part of the problematic question of political authority and political culture. This paper poses some questions and challenges in relation to the extent to which such concepts are relevant to Arabs and if they are able to follow the democratic path and succeed in realizing democracy. Furthermore, the paper asks if the Arabs ever took this democratic path, would they succeed or fail as their modern experience indicates?
APPLICATION OF VALUE STREAM MAPPING IN THE AUTOMOTIVE INDUSTRY: A CASE STUDY
Authors: Shamsu Anuar Mohamad Aqil , Mansor Muhamad Arifpin
Published: December 2022

Today, the automotive industry is becoming one of the essential industries in a country due to high demand from customers. This increasing demand also causes the companies in the manufacturing industry to be exposed to increasing challenges with respect to cost-effectiveness, lead time, and quality of production systems. This situation also increases the waste that occurs in the production line which is basically due to poor plant processes where excessive movement and the high processing time occur. From the previous research that the current method to detect waste is not effective where most methods do not fulfill the same framework, conditions, objectives, level, or degree of completion of detecting waste in the production line. In this paper, effort is made to detect non value added in automotive industry using VSM. VSM entails the mapping the industry current process and evaluating it for waste and bottleneck by calculating value-added and non-value-added time. The data was collected from incoming warehouse until the outgoing warehouse. The data is also taken during the observed component as it passes through the machining,painting, assembly,final assemby and final inspection processes. Based on the analysis of bottlenecks, solutions are suggested, and a future state map is created. The lead time of the process is improved by 67% where the waste is reduce to 74% based on created map.
Pheochromocytoma crisis precipitated by dexamethasone with profound lactic acidosis, but without severe hypertension
Authors: Lin David , Madhok Jai , Bouhenguel Jason , Mihm Frederick
Published: December 2022

We describe a case of a 47-year-old patient who presented with severe lactic acidosis, troponinemia, and acute kidney injury after receiving 8 mg of intramuscular dexamethasone for seasonal allergies in the setting of an undiagnosed epinephrine-secreting pheochromocytoma. This case was atypical, however, in that the patient exhibited only mildly elevated noninvasive measured blood pressures. Following a period of alpha-adrenergic blockade, the tumor was resected successfully. Steroid administration can precipitate pheochromocytoma crisis that may present unusually as in our patient with mild hypertension but profound lactic acidosis.

Learning points

Steroids administered via any route can precipitate pheochromocytoma crisis, manifested by excessive catecholamine secretion and associated sequelae from vasoconstriction.

Lack of moderate/severe hypertension on presentation detracts from consideration of pheochromocytoma as a diagnosis.

Lactatemia after steroid administration should prompt work-up for pheochromocytoma, as it can be seen in epinephrine-secreting tumors.

Noninvasive blood pressure measurements may be unreliable during pheochromocytoma crisis due to excessive peripheral vasoconstriction.
Zur Diskussion über die wirtschaftlichen Auswirkungen eines Importstopps russischen Erdgases auf Deutschland
Authors: Diederichs Gerhard , Schnabel Hubert
Published: December 2022

Ein möglicher Wegfall russischer Erdgaslieferungen nach Deutschland, sei er ausgelöst durch ein Embargo oder durch einen Exportstopp, führt zu erheblichen Belastungen der deutschen Volkswirtschaft. Inwieweit die damit verbundenen wirtschaftlichen Auswirkungen substanziell, aber beherrschbar sind, ist Gegenstand heftiger Diskussionen. Im Frühjahr 2022 tobte unter Ökonomen und Politikern eine teilweise überaus schroff geführte Debatte um ein Erdgasembargo gegenüber Russland. Mittlerweile steht eher die Frage im Vordergrund, wie die Erdgasabhängigkeit Deutschlands durch Anreize zur Substitution und Einsparung fossiler Energien reduziert werden könnte. Bei aller Unterschiedlichkeit der Modellberechnungen zeigt sich, dass die Einschätzung der wirtschaftlichen Folgen eines Erdgasembargos aus verschiedenen Gründen von nahezu allen Beteiligten als sehr unsicher eingestuft werden. Dies lässt Zweifel an der Relevanz wirtschaftswissenschaftlicher Politikberatung aufkommen.
Comparative study on connection properties of shear bolt and screw of thin cross-laminated timber panel
Authors: Zhang Daiyuan , Shen Liming , Zhu Xudong , Zhang Sujun , Gong Meng , Gao Yuewen
Published: December 2022

Cross-laminated timber (CLT), a wood product with excellent shear resistance, is often used in modern timber constructions. Using the standards ASTM D1761-12 (2020) and NDS-2012 (2012), this study investigated the connection properties of shear bolts and screws in CLT panels. The specimens were made from spruce-pine-fir lumber and installed on a test platform using one high-strength bolt or eight screws, and then an upward load was applied to the top of the specimen. The results showed that the bolt connection provided a higher ultimate bearing capacity and elastic stiffness. The bolt exhibited virtually no deformation, and the CLT panel did not noticeably deteriorate when the connection was damaged. The distance between the bolt hole and the bottom of the CLT specimen and the angle between the outer-layer grain direction of the CLT panel and the load direction were both measured. Changes in the ductility coefficient value had an obvious effect on the connection performance of the shear bolts when the outer-layer grain direction of the CLT panel was consistent with the load direction. Contrastingly, when the outer-layer grain direction of the CLT panel was perpendicular to the load direction, the effect was negligible, and the yield load was nearly unchanged.
Comentario. Notas sobre los problemas de la investigación social en América Latina
Authors: Germaná Cavero César
Published: December 2022

Este breve comentario tiene por objeto presentar el texto de Aníbal Quijano donde se discuten cuestiones epistemológicas y teóricas esenciales para el debate sobre la emergencia de un modelo de pensamiento social crítico alternativo a la hegemónica perspectiva eurocéntrica. Se apuntan algunos temas fundamentales en el debate sobre los paradigmas (poder, racionalidad, objetividad) y sobre la nueva problemática latinoamericana de la investigación social (la transnacionalización del capital y sus implicaciones para América Latina en los procesos de clasificación social, los movimientos sociales de los dominados y los procesos de cambio en las relaciones intersubjetivas).
Informe del XVIII Coloquio de Estudiantes de Geografía UNMSM, Perú 2022
Authors: Aycate Chipana Paula Marcela
Published: December 2022

La geografía es una de las ciencias que se encuentra más influenciada por circunstancias exteriores al conocimiento mismo por ende en el Perú, desde hace muchas décadas, la divulgación del conocimiento geográfico ha sido muy reconocido en diversos campos y siendo una contribución importante a la historia del Perú en todos los aspectos, reconocidos geógrafos peruanos como Javier Pulgar Vidal, Ciro Hurtado y entre otros personajes de la geografía peruana que seguirán latentes en la investigación. En la Universidad Nacional Mayor de San Marcos, los estudiantes de la escuela profesional de geografía organizan anualmente coloquios en la divulgación de trabajos de investigación en diferentes temáticas y aunque este evento en especial fue organizado en el contexto post pandemia no impidió que se realizará. El evento titulado XVIII Coloquio de Estudiantes de Geografía UNMSM fue realizado por los estudiantes de la base 18 de la escuela de geografía bajo el lema “Resiliencia geográfica en tiempos de pandemia”.
Diseño e implementación de un Sistema de Gestión de Despacho para el control de los equipos de carguío y acarreo utilizando la comunicación de señal móvil en la unidad minera Summa Gold Corporation SAC
Authors: Alfaro Antony
Published: December 2022

En la actualidad, las empresas están aplicando diferentes tecnologías para apoyar el desarrollo de sus procesos productivos; uno de los sectores es la minería, donde se aplica la tecnología en sus diferentes etapas y procesos de producción. En el presente documento se desarrolló un nuevo diseño de sistema de control de los equipos de carguío y acarreo por medio de un sistema de gestión de Despacho apoyado en la tecnología de señal móvil, GPS, equipos tecnológicos (Tablets) que fueron los utilizados para la creación del sistema y por medio de la metodología Scrum, la cual permitió la planificación de cada fase del diseño, para llevar un mejor control en tiempo real del trabajo que realiza cada equipo de carguío y acarreo en la unidad minera de la empresa Summa Gold Corporation SAC, con la finalidad de tener una información mucho más exacta del trabajo que se realiza, generando valor en la empresa. Como resultado, se logró gestionar de forma eficiente los tiempos de los equipos de la operación, así mismo, se alcanzó la disminución de los costos al lograr operar de forma eficiente los recursos de la mina, ya que se incrementó la productividad y se eliminaron los tiempos de improductividad.
Strangulated transomental hernia: case report and literature review
Authors: Bensardi Fatimazahra , Bouali Mounir , Abdelilah Elbakouri Abdelilah Elbakouri , Khalid Elhattabi Khalid Elhattabi , Abdelaziz Fadil Abdelaziz Fadil
Published: December 2022

Internal hernias are a rare cause of acute intestinal obstruction and are defined as an incarceration of the small bowel through a natural or abnormal intra-abdominal orifice. Transomental internal hernias represent 1 to 4% of all reported internal hernias and are generally observed after the age of 50years old. Imaging is still of interest in the diagnosis of obstruction, but only 8% of transomental hernias would be diagnosed pre-operatively. Their surgical management is done urgently, either by laparotomy or by laparoscopy. We report a case of a patient with an occlusive syndrome and whose diagnosis of a strangulated transomental hernia was per operative.
Evaluation of fecal incontinence symptoms in adult women and impact on their quality of life
Authors: Matheus Massahud Matheus Massahud
Published: December 2022

Fecal incontinence is an important complaint with great impact in patient’s quality of life. Its cause is multifactorial, its diagnosis greatly underestimated, and its prevalence increases with age. Fecal incontinence is defined as any involuntary loss of feces – liquid or solid – or gas in patients older than 4years of age. Fecal incontinence can be present in up to 15% of patients older than 70years. Only 10 to 30% of symptomatic patients seek medical attention. Up to 40% of symptomatic women have major fecal incontinence with even greater impact on quality of life. Health care professionals’ awareness and patient information are paramount for diagnosis and treatment of the issue.
Perinatal hypoxia and thalamus brain region: increased efficiency of antiepileptic drug levetiracetam to inhibit GABA release from nerve terminals
Authors:   Department of Neurochemistry, Palladin Institute of Biochemistry, National Academy of Sciences of Ukraine, Kyiv, Dudarenko M. V. , Pozdnyakova N. G. ,   Department of Neurochemistry, Palladin Institute of Biochemistry, National Academy of Sciences of Ukraine, Kyiv
Published: December 2022

Levetiracetam (LV), 2S-(2-oxo-1-pyrrolidiny1) butanamide, is an antiepileptic drug. The exact mechanisms of anticonvulsant effects of LV remain unclear. In this study, rats (Wistar strain) underwent hypoxia and seizures at the age of 10–12 postnatal days (pd). [3H]GABA release was analysed in isolated from thalamus nerve terminals (synaptosomes) during development at the age of pd 17–19 and pd 24–26 (infantile stage), pd 38–40 (puberty) and pd 66–73 (young adults) in control and after perinatal hypoxia. The extracellular level of [3H]GABA in the preparation of thalamic synaptosomes increased during development at the age of pd 38–40 and pd 66–73 as compared to earlier ones. LV did not influence the extracellular level of [3H]GABA in control and after perinatal hypoxia at all studied ages. Exocytotic [3H]GABA release in control increased at the age of pd 24–26 as compared to pd 17–19. After hypoxia, exocytotic [3H]GABA release from synaptosomes also increased during development. LV elevated [3H]GABA release from thalamic synaptosomes at the age of pd 66–73 after hypoxia and during blockage of GABA uptake by NO-711 only. LV realizes its antiepileptic effects at the presynaptic site through an increase in exocytotic release of [3H]GABA in thalamic synaptosomes after perinatal hypoxia at pd 66–73. LV exhibited a more significant effect in thalamic synaptosomes after perinatal hypoxia than in control ones. The action of LV is age-dependent, and the drug was inert at the infantile stage that can be useful for an LV application strategy in child epilepsy therapy. Keywords: brain development, exocytosis, GABA, levetiracetam, perinatal hypoxia, thalamic synaptosomes