bluuebunny/crossref_metadata_2025 huggingface dataset:
Air robotic system for monitoring qualities of ores in natural occupation
Authors: Тулешов А.К. , Лезин А.Н. , Досмухамедов Н.К. , Токенов Н.М.
Published: July 2024

Одним из перспективных способов решения маркшейдерских задач на крупных карьерах и рудниках в ближайшее время может стать метод дистанционного картографирования с использованием беспилотных летательных аппаратов. В настоящей статье на основе анализа базовых принципов целевого применения высокотехнологичных рентгенофлуоресцентных средств измерений и робототехники показана возможность создания многофункциональной роботизированной системы для мониторинга качества руд с использованием интеллектуального беспилотного летательного аппарата, оснащенного техническим зрением, с установленным на нем специализированным EDXRF прибором РЛП-21, оснащенной новой структурной схемой. Проведен выбор и обоснование основного оборудования разрабатываемой системы. Показано, что применение роботов типа RW-UAS имеет ряд бесспорных преимуществ: простота использования, быстрый запуск, полностью автоматический полет, высокое качество снимков, безопасность и законченность решения.

One of the promising ways to solve mine surveying problems in large quarries and mines in the near future may be the method of remote mapping using unmanned aerial vehicles. In this article, based on the analysis of the basic principles of the targeted use of high-tech X-ray fluorescence measuring instruments and robotics, the possibility of creating a multifunctional robotic system for monitoring the quality of ores using an intelligent unmanned aerial vehicle equipped with technical vision and a specialized EDXRF device RLP-21 installed on it, equipped with new structural diagram. The selection and justification of the main equipment of the developed system was carried out. It is shown that the use of robots of the RW-UAS type has a number of indisputable advantages: ease of use, fast start-up, fully automatic flight, high image quality, safety and completeness of the solution. The RW-UAS robot is equipped with a motion planning and training system, as well as semi-automatic control elements based on SLAM technology. The lightweight and low-cost cameras built into the RW-UAS have the significant advantage of allowing single-lens SLAM applications both indoors and outdoors. The developed scientific solutions and approaches will be used to create a general layout of a multifunctional robotic hardware and software complex for monitoring the quality of ores in natural occurrence.
Ways to strengthen the completeness of reserve recovery in the underground development of the Kochbulak gold mining deposit
Authors: Акбаров Т.Г. , Нишанов А.Ш. , Уразов Ж.Д. , Нишанов Д.К.
Published: July 2024

Важной задачей развития горного производства при добыче полезных ископаемых является применение новых и совершенствование существующих систем подземных разработок, обеспечивающих максимальные показатели извлечения полезных компонентов из недр. В работе приведен анализ показателей извлечения запасов при подземной разработке Кочбулакского золоторудного месторождения и путей повышения эффективности отработки рудных тел в сложных горно-геологических условиях. В статье даны сведения о применяемых системах подземных разработок по участкам месторождения с условиями их применения. Приведены основные показатели полноты и качества извлечения запасов по системам разработок и рудным телам месторождения Кочбулак. Для существенного улучшения показателей потерь и разубоживания предложена система разработки подэтажных ортов, а также приведены основные направления совершенствования применяемых систем разработок.

Involving new and improving existing underground mining systems that maximize the extraction of mineral components from the subsurface is an important objective of mining development in mining activities. The paper analyzes the parameters of mineral reserves extraction when developing the Kochbulak gold mining deposit and presents the ways of improving the efficiency of ore bodies mining in challenging mining and geological conditions. The article provides information on the current systems of underground mining on the principle of the field sites location with the reasons for their application. It also gives key metrics on the completeness and quality of resource extraction by development system and ore bodies in the Kochbulak field. In order to significantly improve the loss and dilution indicators, the system of development of sub-stage orts is offered. The principal directions of development system improvement are also given.
Contemporary issues in Financial Technology: the role of the Internet.
Authors: Broby Daniel
Published: July 2024

This paper investigates contemporary issues in financial technology (fintech). These are classified into six broad areas covering (1) disruption, (2) digital payments, (3) decentralization, (4) artificial intelligence, (5) open finance, and (6) financial inclusion. They are then critiqued in the context of the role of the Internet in financial services. The development and ontology of fintech is discussed alongside the migration of financial services to the Internet. The discourse is supported by reference to the literature, as relates to the philosophical, academic, practical, and legal aspects of the issues. The papers contribution is in providing thoughtful insight into current events and trends, and six key questions which can help to deepen our understanding of fintech and the issues that surrounding it.
The Invasion of Ukraine Viewed through Large-Scale Analysis of TikTok
Authors: Steel Benjamin David , Parker Sara , Ruths Derek
Published: July 2024

The vast majority of TikTok analysis done to date has used small, manually-collected datasets. This leaves open the questions of how to do large-scale analysis of phenomena on TikTok and what can be learned about unfolding current events. In this paper, we seek to better understand how such events present themselves on TikTok by conducting a first examination of large-scale user and content dynamics around the invasion of Ukraine in 2022. As this is among the first studies to conduct large-scale (i.e., involving millions of data points) data collection and analysis of TikTok data, our contributions also include insights into best (and less-than-great) practices for such critical research tasks. Furthermore, we have open-sourced our Ukraine-invasion dataset and provide a software library that can be used to collect TikTok data.
From Crisis to Opportunity: A Google Trends Analysis of Global Interest in Distance Education Tools During and Post the COVID- 19 Pandemic
Authors: Talagala Priyanga Dilini , Talagala Thiyanga S.
Published: July 2024

This study investigated the impact of COVID-19 on global attention towards different distance education tools. We used Google Trend search queries as a proxy to quantify the popularity and public interest in different distance education solutions under 11 sub-segments, which include collaboration platforms, online proctoring, and resources for psychosocial support. The study employs both visual and analytical approaches to analyse global web search queries during and post the COVID-19 pandemic. Through cross-correlation analysis and dynamic time-warping analysis, the study confirms the contemporaneous and lead-lag relationships between COVID-19 and distance education-related search terms. Furthermore, the study highlights the critical role of psychosocial support in promoting the well-being of students and teachers during a pandemic. The study emphasizes the importance of Google footprint analysis in determining the most popular online education resources designed for different educational goals. This feature allows educators to gain insight into prominent distant education options, boosting their online teaching.
Unveiling New Insights From Textual Unstrructured Big Data in Politics Through Deep Learning
Authors: Pugliese Francesco , Caliskan Ufuk , Pappagallo Angela , Ortame Francesco , Bruno Mauro
Published: July 2024

Over the past decade, social media platforms have undergone significant and rapid expansion. One of the key challenges has been effectively analysing the vast amount of unstructured user-generated data they produce. This research delves into the analysis of Italian Twitter data through the application of advanced deep learning models across three primary objectives: text classification, sentiment analysis, and hate analysis. Five cutting-edge models are evaluated, each utilizing distinct word embeddings.Furthermore, this study investigates the effects of processing emojis and emoticons in Italian tweets on sentiment and hate analysis. We compare model performances and suggest optimized approaches for each task. Finally, we apply these methodologies to real-world Twitter data and present our findings through multiple graphs and statistical analyses. This study demonstrates the possibility of extracting new insights and novel information from unstructured textual Big Data in Politics.
Eliciting and Retrieving the Feedback-Loop. Exploring Elicitation Interview Techniques for Detecting Algorithmic Feedback on Social Media and Cultural Consumption
Authors: Punziano Gabriella , Gandini Alessandro , Caliandro Alessandro , Airoldi Massimo , Padricelli Giuseppe Michele , Acampa Suania , Trezza Domenico , Crescentini Noemi , Rama Ilir
Published: July 2024

This article introduces elicitative interviewing techniques in the context of algorithmic feedback detection on social media about cultural consumption. This article presents elicitation interviewing methods to identify algorithmic feedback concerning cultural consumption on social media. The initial section will clarify the notion of influence in algorithm-driven consumption decisions on these platforms. The second part will underscore the necessity for finely nuanced qualitative methodologies to dissect the conceptual facets essential for analysis within such contexts of influence and dynamics. The main interviewing techniques for finalizing data collection with this intent will then be reviewed. The third part will present an example of a survey instrument that uses the elicitation component to achieve the essence of the feedback-loop between algorithms and cultural consumption choices that underlie the PRIN ALGOFEED survey. Finally, this detection phase's placement within the project and its role as an enhancer of the preceding collection and analysis stages will be elucidated, emphasizing the benefits of this decision and the potential pitfalls that necessitate proper attention and scrutiny.
The Effect of Negative Emotions of Service Recipients on Negative Word of Mouth Marketing in the Health Sector
Authors: Çelik Bahar , Özçelik Çağla
Published: July 2024

Emotional satisfaction can develop after the positive or negative emotions experienced about a purchased garment, shoe or cosmetic product are transferred to another consumer. This sharing, which can be considered as emotional satisfaction for the consumer, turns into a positive or negative purchasing experience and a positive or negative product recommendation in terms of marketing. Moreover, this situation is not only about a goods, but also about many sectors such as entertainment, health and education. For example, the positive or negative experience of a consumer who receives health care from a hospital turns into a recommendation about this hospital to their immediate surroundings. This study aims to evaluate to what extent the negative emotions of service recipients in the healthcare sector may affect negative word of mouth marketing. In this study, which is an empirical research, the survey scale developed by Wen-Hai et al. (2018) was used as the data collection method. At the end of the study, it was observed that individuals' anger levels significantly affected their desire for revenge and negative WOM levels.
Analysis of geotechnical properties in soil, reclaimed asphalt pavement (RAP) and Portland cement mixtures for use as pavement layers
Authors: ALMEIDA Guilherme , SALES Lucila Costa , CAVALCANTE Erinaldo
Published: July 2024

A study is presented of mixes of fine soil and reclaimed asphalt pavement in the contents of 20, 30 and 50% with and without the addition of 5% Portland cement. The experimental program involved a battery of tests which found that the addition of up to 50% RAP alters the granulometry, increases the maximum dry density, bearing capacity and permeability, reduces plasticity, optimum moisture and expansion. The addition of 5% cement caused strong granulometric changes with an increase in the bearing capacity, reduced expansion and permeability. The compressive strength was below the required, but with considerable tensile strength and durability. Plasticity was presented as the greatest impediment to the use of mixes in view of the requirements of technical standards. However, it was found that the RAP is promising in improving soil properties and as a material to be applied in paving.
GERENCIAMENTO DE ÁREAS CONTAMINADAS EM POSTOS DE COMBUSTÍVEIS E AVALIAÇÃO DE RISCO À SAÚDE HUMANA, EM SALVADOR – BA
Authors: GUSMÃO Claudia Elvira , LEAL Luiz Rogério Bastos
Published: July 2024

RESUMO - Postos de combustíveis e serviços, grande parte a base de compostos hidrocarbonetos, podem contribuir para a contaminação do solo e águas subterrâneas gerando passivos ambientais e riscos à saúde humana, devido à natureza tóxica, mutagênica e carcinogênica destes. Em 2015 foi realizado uma avaliação ambiental, com o objetivo de mensurar os riscos de contaminação em dois postos localizados na Região Metropolitana de Salvador, Estado da Bahia. Nesse estudo, os resultados obtidos mostraram que apesar das duas áreas avaliadas (Posto 01 e Posto 02) apresentarem indícios da contaminação por Hidrocarbonetos Policíclicos Aromáticos (HPAs) e Mono-aromáticos (BTEX), apenas para o Posto 01 confirmou a contaminação por Etilbenzeno (2,58µg/L) e Naftaleno (17,632 µg/L) com resultados analíticos acima dos valores máximos permitidos (VMPs) da U. S. Environmental Protection Agency - EPA (06/2015), porém não atingiu os da Resolução nº420 do CONAMA – Conselho Nacional Do Meio Ambiente.  Por medida conservadora de proteção à saúde dos usuários do restaurante, foi recomendado interromper o uso das águas subterrâneas do poço de bombeamento (PB) do Posto 01 para fins de contato dérmico e abastecimento humano, em possível mitigação da fonte dispersora de contaminação e riscos à saúde humana. Culminando com o descomissionamento do restaurante em 2023.
Palavras chave: Águas subterrâneas. Hidroquímica. Análise de risco à saúde humana. Gerenciamento de áreas contaminadas. Hidrocarbonetos.
 
ABSTRACT – Gas stations and services, based on hydrocarbon compounds, can contribute to the contamination of soil and groundwater, giving environmental liabilities and risk to human health, due to their toxic, mutagenic and carcinogenic nature. In 2015, an environmental assessment was carried out, with the merit of measuring the risks of contamination at two gas stations located in the Metropolitan Region of Salvador-RMS, State of Bahia. In this research, the results showed that although the two areas (Gas Station 01 and Gas Station 02) showed signs of contamination by Polycyclic Aromatic Hydrocarbons (PAHs) and Mono-aromatic Hydrocarbons (BTEX), although only Gas Station 01 confirmed the contamination by Ethylbenzene (2.58µg/L) and Naphthalene (17.632 µg/L) due to the analytical results above the maximum allowable values (VMPs) of the U.S. Environmental Protection Agency - EPA), but did not reach those levels in Resolution nº 420 CONAMA – National Environment Council. Conservative measure was applied to protect the health of restaurant users by recommendation to interrupt the use of underground water from the pumping well (PB) for dermal contact and human supply at Station 01, to mitigate the source of contamination and risks to human health. Culminating on the restaurant decommission in 2023.
Keywords: Groundwater. Hydrochemistry. Risk assessment to human health. Contaminated area management. Hydrocarbons.
An exploratory analysis of the association between coronavirus anxiety and teacher burnout
Authors: Archer Lester A. C.
Published: July 2024

This study was an exploration of COVID-19 anxiety and its relationship with teacher burnout. The study was a cross-sectional survey research design with a convenience sample drawn from a population of K-12 public school teachers. A non-parametric statistical test, Kruskal-Wallis, showed a statistically significant difference in teacher burnout across the three grade levels: χ2 (2, N = 61) = 6.20, p = .045. Teacher burnout was lowest amongst elementary school teachers (M = 47.00) when compared to middle school (M = 74.00) and high school teachers (M = 71.00). Implications include a need for increased administrative support and decreased stress levels for teachers.
Online teaching and learning at Chinese universities during COVID-19: Insiders’ perspectives
Authors: Zhang Youliang , Zhu Yidan , Chen Tongjie , Ma Tongfei
Published: July 2024

During attempts to prevent and control the COVID-19 pandemic in China, higher education programs shifted their traditional educational models to online models. This paper aimed to explore how Chinese universities organized online teaching and learning during the pandemic. It investigated the factors affecting the implementation of online teaching and provided policy recommendations for improving the quality of education in the post-pandemic period. The primary data for this study came from in-depth interviews with nine students and five teaching and administrative staff at eight major universities in mainland China. Literature was obtained in both English and Chinese from January 2020 to September 2021. Peer-reviewed journals, policy reports, and university documents regarding online education in Chinese universities were reviewed, and their challenges and countermeasures were investigated. The paper found that the implementation of online education was affected by various sources, including technologies, teachers’ teaching skills, network information literacy, and students’ learning motivations and self-directed learning skills. Based on the insiders’ views, the paper suggested that to promote the quality of online education in the post-COVID-19 pandemic, higher education institutes and programs could develop their infrastructure construction, improve teachers’ quality of teaching, and focus on students’ learning motivations.
Pengaruh Model Pembelajaran Team Game Tournament (TGT) Berbantuan Media Interaktif Mentimeter terhadap Hasil Belajar IPAS
Authors: Nurhasanah Syifa Siti , Nugraha Rana Gustian , Karlina Dety Amelia
Published: July 2024

Penelitian ini dilakukan ketika melihat kurangnya semangat siswa ketika mempelajari materi tentang kerajaan bercorak Hindu-Budha. Hal tersebut dipicu oleh materi yang sangat padat dan banyak hafalannya. Model pembelajaran team game tournament (TGT) berbantuan media interaktif  mentimeter dinilai dapat menjadi alternatif solusi yang tepat untuk meningkatkan hasil belajar IPAS siswa kelas IV pada materi kerajaan bercorak Hindu-Buddha. Tujuan penelitian ini adalah untuk mengetahui pengaruh terhadap hasil belajar IPAS siswa setelah diterapkan model pembelajaran team game tournament (TGT) dan media interaktif  mentimeter, serta mengetahui perbedaan pengaruh antara penggunaan model TGT dan penggunaan pembelajaran konvensional terhadap hasil belajar IPAS siswa kelas IV pada materi kerajaan bercorak Hindu Budha. Penelitian ini menggunakan metode eksperimen dengan desain eksperimen semu. Populasi penelitian adalah seluruh siswa kelas IV SD di SDN Tegalkalong dengan sampel penelitian adalah siswa kelas IV A dan IV C di SDN Tegalkalong. Instrumen yang digunakan adalah tes tertulis pada materi kerajaan dengan pola Hindu Budha. Adapun hasil dari penelitian ini ternyata penggunaan model pembelajaran team game tournament berbantuan media interaktif mentimeter berpengaruh terhadap hasil belajar IPAS siswa kelas IV pada materi kerajaan bercorak Hindu Budha.
Pengaruh Model Small Group Discussion terhadap Hasil Belajar Bahasa Indonesia pada Siswa Kelas V SDN Cempaka Baru 05 Pagi
Authors: Syamlan Syakira , Rizal Bayu Thomi
Published: July 2024

Penelitian ini bertujuan untuk mengevaluasi pengaruh model Small Group Discussion (SGD) terhadap hasil belajar mata pelajaran Bahasa Indonesia siswa kelas V di SDN Cempaka Baru 05 Pagi. Metode penelitian yang digunakan adalah metode kuantitatif dengan pendekatan eksperimen. Pendekatan eksperimen ini melibatkan rancangan percobaan yang bertujuan untuk menguji pengaruh variable independent (perlakuan) terhadap variable dependent (hasil) dalam lingkungan yang terkontrol. Hasil penelitian ini menunjukkan bahwa penerapan model Small Group Discussion memiliki pengaruh yang signifikan terhadap hasil belajar siswa kelas V di SDN Cempaka Baru 05 Pagi. Pengujian hipotesis melalui uji T dan uji F mendukung temuan ini baik di kelas kontrol maupun kelas eksperimen. Berdasarkan pengamatan peneliti, ketika materi disampaikan dengan Small Group Discussion, proses pembelajaran menjadi lebih menyenangkan, dan siswa dapat lebih mengeksplorasi potensi serta keterampilan mereka. Kesimpulannya yaitu terdapat pengaruh signifikan dari penerapan model Diskusi Kelompok Kecil terhadap hasil belajar Bahasa Indonesia siswa kelas V di SDN Cempaka Baru 05 Pagi.
Penerapan Model Contextual Teaching and Learning Berbasis Etnomatematika Untuk Meningkatkan Pemahaman Konsep Matematis Siswa
Authors: Amara Ega , Wahyuni Rika , Anitra Rien
Published: July 2024

Penelitian ini bertujuan untuk: Mengetahui perbedaan peningkatan kemampuan pemahaman konsep matematis siswa dan  aktivitas serta respon belajar siswa ketika diterapkannya model CTL berbasis etnomatematika. Jenis dan desain penelitian yang digunakan adalah penelitian kuantitatif dengan desain Quasi Experimental Design dengan rancangan penelitian yang digunakan berbentuk Nonequivalent Control Group Design. Penelitian ini dilaksanakan di SD Negeri 23 Singkawang pada semester genap tahun 2022/2023. Populasi dalam penelitian ini adalah kelas V SD Negeri 23 Singkawang. Sampel yang digunakan dalam penelitian ini yaitu siswa kelas VA dan VB yang dijadikan sebagai kelas eksperimen dan kelas kontrol. Untuk teknik analisis data dalam penelitian ini adalah uji N-gain, uji normalitas, uji homogenitas, dan uji t-dua sampel, persentase aktivitas, dan persentase respon siswa. Berdasarkan hasil analisis data dapat disimpulkan bahwa terdapat perbedaan peningkatan kemampuan pemahaman konsep setelah diterapkannya model CTL berbasis etnomatematika dan yang menggunakan model pembelajaran langsung pada materi bangun ruang. Perbedaan peningkatan tersebut ditandai dengan nilai yaitu 0,1429 < 2,005. Aktivitas siswa tergolong sangat tinggi setelah diterapkannya model CTL berbasis etnomatematika, diperoleh persentase 80,36% dengan kategori sangat tinggi dan persentase respon siswa mencapai 89% dengan kategori sangat baik terhadap model CTL berbasis etnomatematika, Dengan demikian dapat dikatakan bahwa terdapat perbedaan peningkatan kemampuan pemahaman konsep matematis menggunakan model CTL berbasis etnomatematika di SD Negeri 23 Singkawang.
Aksiologi Filsafat Matematika
Authors: Zulmaulida Rahmy , Maulizar Hera , Saputra Edy
Published: July 2024

Penelitian ini menginvestigasi kontribusi aksiologi dalam konteks filsafat matematika dengan fokus pada dampaknya terhadap pendidikan matematika yang lebih etis dan efektif. Pendekatan penelitian yang digunakan adalah kualitatif dengan penelitian literatur. Penelitian ini menganalisis peran nilai-nilai etika dalam pengajaran matematika dan bagaimana pendidikan matematika dapat memperkaya pemahaman etika dan nilai-nilai matematika. Selain itu, penelitian ini juga mengulas dampak pemahaman tentang aksiologi pada persepsi masyarakat tentang matematika, dengan harapan meningkatkan kesadaran akan hubungan erat antara nilai-nilai dan etika dalam matematika. Hasil penelitian menunjukkan bahwa pemahaman aksiologi memberikan panduan berharga untuk pengembangan pendidikan matematika yang lebih etis dan efektif. Selain itu, pemahaman tentang aksiologi juga memengaruhi cara masyarakat melihat matematika, menciptakan kesadaran akan hubungan yang kuat antara nilai-nilai dan etika dalam disiplin ini. Hasil ini memiliki implikasi signifikan dalam meningkatkan kualitas pembelajaran matematika dengan memasukkan nilai-nilai etika dalam praktik matematika, sehingga menjembatani kesenjangan antara filsafat dan praktik matematika.
Bestückung von ungehausten Chips in der Bewegung
Authors: Gottwald Simon Nicolas
Published: July 2024

Konventionell werden ungehauste Chips sequenziell auf ein stillstehendes Substrat platziert. Dabei wird die Bestückungsrate maßgeblich durch die mechanische Trägheit der Aktuatoren während des kontaktbasierten Ausstoßprozesses der Chips vom Wafer begrenzt. Alternativ kann die Chipablösung auch kontaktlos über das Laser Induced Forward Transfer Verfahren optisch initiiert werden. Dieses Verfahren ermöglicht die Chips bei bewegtem Substrat zu bestücken. Daraus resultiert, dass die Bestückungsrate nicht mehr durch die mechanische Trägheit, sondern durch die Dauer für die Zufuhr von weiteren Chips begrenzt ist. Da derzeit für eine solche Bestückung noch kein vollautomatisierter Bestückungs-automat existiert, wird in dieser Arbeit ein Steuerungskonzept zur Bestückung in der Bewegung vorgestellt und in einem Anlagendemonstrator erfolgreich realisiert. Während der Validierung der Bestückung in der Bewegung wird eine Bestückungsrate von 108.000 Chips pro Stunde erreicht.
Einsatzfelder und Einsatzgrenzen von Bestellpolitiken bei unsicherer Nachfrage
Authors: Fritzsch Benjamin
Published: July 2024

Um Nachfrage abschätzen zu können, werden Prognosen erstellt. Trotz Prognosen bleiben Unsicherheiten in der Nachfrage. Um den Unsicherheiten in der Nachfrage zu begegnen und Kundennachfrage bedienen zu können, ist Lagerbestand notwendig. Da eine Bestellpolitik bestimmt, wann und wieviel bestellt wird, werden die logistischen Kosten aus Lagerbestand durch die Bestellpolitik beeinflusst. Um die Wahl der Bestellpolitik unter unsicherer Nachfrage zielgerichtet treffen zu können, wurden die Auswirkungen der Wahl einer Bestellpolitik bei Prognoseabweichung auf die Logistikkosten mit einem Simulationsmodell untersucht. Wie die Ergebnisse zeigen, wird bei unsicherer Nachfrage unter der (t,S)-Politik im Vergleich zur (s,q)-Politik stes mehr Bestand benötigt, um den gewünschten Zielservicegrad zu erreichen. Insgesamt ist die (s,q)-Poltik im Hinblick auf die Logistikkosten unter unsicherer Nachfrage stets im Vorteil gegenüber der (t,S)-Poltik.
Detection of temperature in frictional contact by means of component-inherent sensors for enhanced wear prediction
Authors: Raumel Selina
Published: July 2024

Within the scope of this work conducted in the Collaborative Research Center 1368 »Oxygen-free production”, a new component-inherent sensor concept on non-planar surfaces is presented for measuring friction-induced temperature changes as a function of atmosphere, process parameters and ambient temperature during frictional ball-on-disc tests to improve wear prediction. The development and manufacturing of the platinum thin-film sensors on ceramic spheres via laser ablation involves the characterization of suitable sensor layouts, wear-resistant/isolation and friction layers. A laser structuring process is developed for machinable BN+AlN components to enable mechanical contacting of the sensors via the ball mount outside the friction contact area. Using an expanded measurement setup, friction tests are conducted under ambient atmosphere and under an atmosphere adequate to an extremely high vacuum using a silane-doped argon gas. To assess the fundamental effects of the friction-induced temperatures and their impact on resulting boundary layers, surface-sensitive analysis techniques are employed. Indentation tests are conducted in a high-temperature chamber to examine the thermomechanical properties in dependence of the surrounding atmosphere. The insights gained are utilized to expand the well known Archard wear model by including the dependence of the measured friction-induced temperature and atmosphere.
Proteins and Our Past: An Exploration of Human Bone Protein from the Eighteenth-Century Fortress of Louisbourg, Nova Scotia, and Its Potential Applications in Bioarchaeological Research
Authors: Hughes Nicole , Scott Amy B.
Published: July 2024

Bioarchaeologists can further investigate human bone metabolism at the biomolecular level by incorporating biochemical methods into their research. Recently, there has been a focus on osteocalcin, an abundant non-collagenous bone protein, because of its clinically identified relationship with biological factors (i.e., age and sex), activity, and pathological conditions (i.e., disease). For this study, osteocalcin was extracted and quantified from the femora of 27 individuals from the Fortress of Louisbourg (1713–1758) skeletal collection to explore if the clinical relationship between osteocalcin and sex, age, activity, and pathological conditions can also be established in archaeological bone. However, no significant relationships between osteocalcin concentrations and biological factors (i.e., age and sex), activity, or pathological conditions were identified. This is the first study to quantify osteocalcin from archaeological human skeletal remains from a Canadian context and provides another example of how this method may be used to study stress in bioarchaeological populations.
THE USE OF PIPE CONCRETE IN AN ARCHED BRIDGE CONSTRUCTION
Authors: Kudaibergenov N.B. ,   L.N. Gumilyov Eurasian National University, Astankov K.Y. , Ovchinnikov I.G. , Abilmazhenov T.Sh. ,   Ural State University of Railway Transport,   Ural State University of Railway Transport,   L.N. Gumilyov Eurasian National University
Published: July 2024

The experience of using tubular concrete structures in bridge construction is considered on the example of facilities built over the past 30 years in the People's Republic of China. The features of the construction of a bridge over the Xun River in Pingnan County, Guangxi Province, which currently has a record span of 575 m, are considered. An overview of outstanding facilities built using large-span lattice arches made of tubular concrete elements, working mainly on off-center compression, is performed. Various methods of mounting spans of steel-reinforced concrete arch bridges, advantages and disadvantages of each method are considered. The technology of concreting pipes is considered in detail. The designs and methods of construction of facilities using large-span arches of solid cross section with tightening for the construction of bridges with spans of 46 and 96 meters are considered. Modern research in the field of the work of bendable arches is considered in comparison with the model considering the work of a tubular concrete element as an out-of-center compressed column, which in the future can ensure more efficient use of material properties in design. The prospects of using tubular concrete structures for the construction of small bridges are indicated, which is especially important in areas remote from construction industry enterprises with an underdeveloped highway network.
The effect of cervical stabilization and thoracic spine extension exercises on neck functional ability for forward head posture patients
Authors: Yani Fitri , A. Gani Faradilla Windy Putri
Published: July 2024

Background: The widespread usage of cell phones may encourage everyone to rely more on technology in all aspects of their lives. However, if technology use in daily tasks is not balanced with physical exercise, musculoskeletal problems may develop. The most common concern associated with this syndrome is forward head posture. This study aimed to determine whether giving cervical stabilization and thoracic spine extension exercises can increase neck functional ability for forward head posture patients.
Methods: The study used an experimental design. There were 23 physiotherapy students of Universitas 'Aisyiyah Yogyakarta as samples for this study, who had forward head posture and underwent measurement of neck functional ability by using the neck disability index (NDI). The independent administrator randomly assigned the treatment and control groups. The interventions were s conducted three times a week for four weeks. Data analysis employed a paired sample T-test to assess the effect of treatment and control groups. An independent sample T-test was used to compare the impact of treatments and control groups.
Results: The results of the paired sample T-test in treatment and control groups, with p-values=0.001, indicate that both interventions improved the functional ability of the neck. The difference between treatment and control groups tested by the independent sample T-test shows p-value=0.062 for the pre-test and (p-value=0.444), suggesting no difference in effectiveness between cervical stabilization and thoracic spine extension on neck functional ability for forward head posture conditions.
Conclusion: There was no difference in the effect of cervical stabilization and thoracic spine extension on the functional ability of the neck for forward head posture.
The relationship between sitting duration and piriformis syndrome in handcrafters
Authors: Ida Ayu Harnum Febry Wiguna  , Dewi Anak Ayu Nyoman Trisna Narta , Winaya I Made Niko
Published: July 2024

Background: Handcrafters of serati banten are professionals at risk of developing piriformis syndrome. This can happen because serati banten's working position is sitting for a long time. If this position is carried out continuously for a long period, it can cause musculoskeletal symptoms, namely piriformis syndrome. This study aimed to determine the relationship between sitting duration and piriformis syndrome in handcrafters of serati banten.
Methods: This research was an analytical observational study with a cross-sectional study design conducted from June to December 2023. Sampling was done using a purposive sampling technique with a total sample of 106 people in this study. This study's inclusion criteria were handcrafters of serati banten aged 45 to 55. The exclusion criteria included experiencing low back pain. The independent variable measured was sitting duration, determined by filling in the questionnaire, and the dependent variable measured was piriformis syndrome, calculated using the flexion adduction internal rotation test, active piriformis test, and pace test.
Results: Based on the chi-square test results, the value of p=0.003 (p<0.05) was obtained, meaning a significant relationship exists.
Conclusion: There was a significant relationship between sitting duration and piriformis syndrome in handcrafters of serati banten.
Project Management Anal yses in a Poul try Farm: Critical Path Anal yses Approach
Authors: Ameh Hellen  , Amagoh Maureen Nkechi  , Orumie, Ukamaka Cynthia
Published: July 2024

Abstract: This research work explored the application of Critical Path Analysis (CPA) in the production cycle of broiler chickens, aimed at identifying bottlenecks and inefficiencies that could be mitigated to enhance productivity and profitability. Broiler chicken production, a critical component of the global agricultural sector, demands efficient management of various stages, including breeding, hatching, growing, and processing, to meet the increasing demand for poultry meat. The research utilized CPA, a time-tested project management tool traditionally applied in construction and manufacturing industries, to map out the critical and non-critical activities within the broiler production cycle. By identifying the longest path through these sequential activities, the study highlighted the minimum time required for a complete production cycle and pinpointed stages where delays could extend overall production time. This approach allowed for the precise identification of bottlenecks that impede productivity, such as the brooding phase and health management practices, which are critical for ensuring the growth and survival of broiler chickens.
Impact of horticulture on the sustainable livelihood development of smallholders: a SPAR-4-SLR & future research agenda
Authors: Mukherjee Debarshi , Jena Lokesh Kumar , Chakraborty Subhayan , Debnath Ranjit , Hasan Khandakar Kamrul
Published: July 2024

Purpose. The perishable nature of the horticulture (fruits, vegetables, and flowers) industry makes it more complex to study. The higher return and nutritional benefits compared to traditional agricultural products expand the research scope for the stakeholders’ sustainable benefit. Nevertheless, despite limited research, this study explicitly examines additional facets of smallholder development beyond the traditional economic, social, and environmental dimensions.
Methodology / approach. To fill this knowledge gap, we comprehensively reviewed 73 articles published between 2013 and 2022 in international scientific journals with an SJR (Scimago Journal & Country Rank) Q1 ranking. We followed the “Scientific Procedures and Rationales for Systematic Literature Reviews” (SPAR-4-SLR) protocol to identify different aspects of smallholders’ development. Literature from Web of Science and Scopus databases was analysed and organised using the TCCM (Theory, Context, Characteristics, and Methodology) framework.
Results. The study identified important factors like infrastructure, commercialisation, market access, marketing, credit, policies, information, intervention, training, technology, and collaboration that could uncover crucial economic, political, social, psychological, ecological, cultural, physical and nutritional aspects of development in general. The study also suggests that implementation Agriculture 4.0 through advanced technologies like IoT, AI, and vertical and bio-fortification practices can help in sustainable livelihood development in horticulture.
Originality / scientific novelty. The limited or lack of comprehensive studies on smallholders’ sustainable livelihood development with different dimensions makes this research a bridge to identify other dimensions instead of only focusing on the horticultural sector’s economic, social, and ecological aspects. It uses the Agricultural Innovation System and Farmer First theories, stating that the farmer is the first priority and must collaborate and interact to implement technology and innovations for smallholder livelihood development.
Practical value / implications. This research will help in decision-making regarding smallholders’ livelihoods in all eight dimensions at all levels of government, private and other stakeholders, suggesting a triple-helix model.
Аналіз показника, причин і наслідків виникнення стратегічного розриву в плануванні діяльності підприємств
Authors: Koval Zoriana
Published: July 2024

Мета. Мета роботи – розроблення методичних підходів щодо оцінювання показника стратегічного розриву в плануванні діяльності та вибору напряму розвитку вітчизняних підприємств, аналіз причин і наслідків розриву між наявними стратегічними можливостями підприємства та їх очікуваним значенням.
Результати. Запропонована методика аналізу стратегічного розриву дасть змогу дослідити вплив факторів внутрішнього середовища, що представляють можливості використання різного роду ресурсів підприємства, та фактори зовнішнього середовища, що завдяки своєму сприятливому або несприятливому впливу створюють умови для розвитку підприємства або перешкоджають йому. Методика побудована на використанні методів логічного аналізу, узагальнення, систематизації, прогнозування, деталізації та групування, кореляційного та регресійного аналізу. Дослідження стратегічного розриву на основі запропонованої методики значно розширює можливості аналізу стратегічного розриву, його причин і способів подолання. Запропонована методика дасть змогу вчасно виявити ймовірність виникнення стратегічного розриву в можливостях підприємства на основі аналізу факторів, що можуть це спричинити; дасть змогу запобігти цьому або мінімізувати величину розриву. Сформовано послідовність етапів процесу застосування багатофакторного кореляційного та регресійного аналізу для дослідження формування показника стратегічного розриву та деталізовано їх зміст. Апробація методики в практиці стратегічного планування підприємств Львівської області за 2021–2023 рр. дозволила встановити між показником стратегічного розриву й економічними, організаційними, маркетинговими та зовнішніми факторами наявність щільного зворотного кореляційного зв’язку (для економічних і зовнішніх факторів він близький до функціонального). Зв’язок інших факторів і стратегічного розриву був сильним (технічні та інноваційні фактори) та помітним (соціальні фактори).
Наукова новизна. Структуровано та деталізовано показник стратегічного розриву, як і фактори, що його спричиняють. Застосовано багатофакторний кореляційний і регресійний метод для аналізу стратегічного розриву, що дозволило оцінити вплив рівня зміни економічних, організаційних, маркетингових, технічних, інноваційних, соціальних і зовнішніх факторів на показник стратегічного розриву.
Практична цінність. Застосування запропонованої методики для потреб аналізу стратегічного розриву підприємства сприятиме більш точній та об’єктивній оцінці його можливостей у довгостроковій перспективі, а також вибору такого варіанта стратегії, у якому подолання цього розриву вимагатиме від підприємства найменше затрат часу та ресурсів.
Структурне моделювання системи управління бізнес-процесами на основі рефлексивного підходу
Authors: Pidvalnyi Marian , Rusyn-Hrynyk Roman
Published: July 2024

Мета. Метою дослідження є розробка та впровадження структурного моделювання системи управління бізнес-процесами на основі рефлексивного підходу, що сприятиме підвищенню ефективності управління, адаптивності до динамічних змін зовнішнього середовища, а також забезпеченню стійкого розвитку бізнесу.
Результати. Обґрунтовано актуальність і доцільність структурного моделювання системи управління бізнес-процесами на основі рефлексивного підходу. Розроблено та описано ключові етапи структурного моделювання, включаючи визначення основних елементів системи управління, створення моделей бізнес-процесів, інтеграцію рефлексивного підходу, впровадження моделі та постійний моніторинг і вдосконалення. Удосконалена структурна модель управління бізнес-процесами передбачає впровадження методів машинного навчання, систем реального часу, автоматизованих систем контролю якості даних і сучасних інструментів для колаборації та комунікації. Застосування рефлексивного підходу сприяє підвищенню рівня обізнаності та компетентності керівників і співробітників, що позитивно впливає на загальну ефективність діяльності компанії.
Наукова новизна. Наукова новизна дослідження полягає в інтеграції рефлексивного підходу зі структурним моделюванням бізнес-процесів, що включає використання сучасних технологій, таких як машинне навчання та системи реального часу, для покращення прогнозування, контролю якості даних та ефективної взаємодії між підрозділами.
Практична цінність. Практична цінність дослідження полягає в розробці ефективної системи управління бізнес-процесами, яка дозволяє компаніям швидко реагувати на зміни ринкових умов, постійно вдосконалювати свою діяльність і залишатися конкурентоспроможними. Упровадження цієї системи забезпечує оптимізацію ресурсів, прозорість управлінських рішень і створення додаткової вартості для клієнтів та акціонерів.
Difficulty in Identifying the Adjectival Noun "Izina Ntera" in Kinyarwanda Sentences
Authors: Ndahimana Daniel
Published: July 2024

Kinyarwanda grammar, particularly its parts of speech, includes modifiers of nouns among which "Adjectival noun (Izina ntera)" plays a crucial role. This category, a combination of a noun and an adjective of quality, has been a source of confusion among students due to ambiguous explanations by Kinyarwanda grammarians. Two distinct structures have been adopted for this grammatical category; however, the confirmed structure does not fully meet the necessary criteria, while the appropriate structure has not been widely accepted. This study addresses the discrepancies surrounding the "izina ntera" category in secondary schools and proposes a clearer explanation for its definition in Kinyarwanda grammar. Employing a mixed-method approach blending qualitative and quantitative methods, and drawing on critical and structuralism theories, the research involved 58 upper-level secondary school students and 30 Kinyarwanda teachers purposively selected from three schools in Gicumbi district. Data collection utilized both hard and soft questionnaires, and analysis was conducted using SPSS software. The research proposed an updated definition of Kinyarwanda adjectival noun, supplemented with examples, to alleviate ambiguity in its usage and enhance student understanding of this grammatical category. The findings indicate that current textbooks perpetuate confusion by presenting conflicting definitions and structures for "izina ntera." Recommendations include the standardization of educational materials to reflect a single structure, acceptance of the revised definition by grammarians and educators, and the organization of seminars and training to facilitate the adoption of these changes. Continued research on Kinyarwanda grammar is encouraged to further refine and innovate the teaching of parts of speech.
TECNOLOGIA, DESIGN INSTRUCIONAL E O INTÉRPRETE DE LIBRAS NA INCLUSÃO DE SURDOS: POTENCIALIZANDO PRÁTICAS EDUCACIONAIS
Authors: Bezerra Erich Teles , Lima Isaac Felipe dos Santos , Freitas Adriana Queli de , Damacena Rosana , Cortes Vanderlene Rafael Rosa , Gonçalves Rosimeire , Celestino Emanuely Monteiro , Gonçalves Silvana Aparecida Borges , Scabeni Rozangela Schäffer , Caitano Tomé Fernandes
Published: July 2024

Este estudo teve como objetivo explorar o impacto da tecnologia e do design instrucional na inclusão educacional de alunos surdos, com foco na importância dos intérpretes de Libras. Utilizando uma abordagem qualitativa, foram revisadas e analisadas as contribuições teóricas de Quadros (2004) e Lopes e Santos (2017) sobre o papel dos intérpretes de Libras na mediação educacional. Além disso, foram examinados os fundamentos do design instrucional conforme descritos por Reigeluth (1999) e Gagné et al. (1992), destacando a sua relevância na criação de experiências educacionais significativas e adaptativas. Os resultados destacam que a tecnologia, incluindo aplicativos de tradução simultânea e recursos multimídia como vídeos em Libras, desempenha um papel crucial na acessibilidade e na eficácia do ensino para alunos surdos. No entanto, desafios como a falta de infraestrutura adequada e resistência à mudança entre os educadores foram identificados como obstáculos significativos. Conclui-se que a colaboração entre educadores, tecnólogos educacionais e intérpretes de Libras é essencial para promover uma educação inclusiva de qualidade, assegurando o direito de todos os alunos à aprendizagem equitativa.
NEUTRALIDADE DO CARBONO, PROCEDIMENTOS AMBIENTAIS DE REDUÇÃO DE GEES E O AQUECIMENTO GLOBAL: UM ESTUDO DE CASO DAS EMPRESAS AMBEV E BUNGE
Authors: Sousa Maria Margareth de , Martins Saulo , Melo Solange Amorim Ozório , Almeida Francisco Alberto Severo de
Published: July 2024

Há um compromisso mundial firmado em prol da neutralidade das emissões do carbono, a fim de limitar o aquecimento global. Diante deste cenário, na investigação científica, serão analisadas as políticas e estratégias adotadas pelas empresas AMBEV e BUNGE, se estão gerando impactos ao meio ambiente com a neutralidade do carbono, a curto e longo prazo. Trata-se de um estudo de caso de fonte secundária, qualitativo, descritivo que objetiva investigar políticas e estratégias ambientais de neutralidade de carbono, redução de gases de efeito estufa referentes ao aquecimento global desenvolvidas pelas empresas em estudo, além de avaliar o perfil das empresas nas emissões e as ações, a partir de informações do diagnóstico do inventário GHG Protocol, classificadas de acordo com os escopos 1, 2 e 3, em que estabelece estratégias, planos e metas de sustentabilidade. Pretende-se contribuir com a redução de uso de recursos naturais e engajamento com o meio ambiente, considerando o Protocolo de Kyoto e acordo de Paris. Conclui-se que os esforços e objetivos das duas empresas analisadas, encontram-se na mesma direção em se tratando da busca de qualidade de vida e preservação da natureza.