Digital Commons Network^™

Damage Evolution Of Coal Reservoirs Under Cyclic Disturbances And Optimization Suggestions For Deep Reservoir Stimulation, Chen Shida, Pu Yifan, Zhao Longmei, Li Xiang, Huang Li, Tang Dazhen, Zhang Yafei, Li Song, Tao Shu

Coal Geology & Exploration

Objectives and Methods During volume fracturing or multi-round hydraulic fracturing of deep coal reservoirs, pressure fluctuations induced by the propagation of fracture tips and fluid accumulation within fractures cause cyclic perturbations to surrounding rocks. To clarify both the mechanical responses of coals and the mechanisms behind fracture evolution within coal reservoirs under such cyclic perturbations, this study conducted triaxial cyclic loading-unloading tests on high-rank coals under varying confining pressures, stress amplitudes, and loading modes. In combination with field engineering data, this study proposed strategies for optimizing deep coal reservoir stimulation. Results and Conclusions The stress-strain curves of coals under cyclic …

Advances In Research On The Quality, Influential Factors, And Contamination Prevention And Control Technologies Of Mine Water In Representative Coal Mining Areas Of China, Xu Guangquan, Zhang Haitao, Liang Miao, Chen Xiaoqing, Li Zixuan, Li Xu, He Jianghui

Coal Geology & Exploration

Background Mine water represents a major type of water body produced during coal mining. Investigating its quality, influential factors, and contamination prevention and control technologies is of great significance for environmental protection and the sustainable utilization of water resources in coal mining areas.Methods Based on field surveys and literature review, this study systematically analyzed the quality and formation mechanisms of mine water in representative coal mining areas of China. Furthermore, it explored the advances and primary challenges in current research on technologies for the prevention and control of mine water contamination and proposed major directions for future research. Advances …

Advances In Research On Eco-Geological Environment Monitoring Of Underground Coal Mining Areas Based On Airborne Remote Sensing, Li Jun, Zou Zhaohui, Zhang Chengye, Wang Yi, Cheng Yang, Xu Lianhang, Zhang Jinhe, Liu Chuanrui, Liang Lixia

Coal Geology & Exploration

Background Timely and effective monitoring of the current status of eco-geological environment holds great significance for scientific decision-making regarding both geological environment protection and ecological restoration in underground coal mining areas. Owing to its advantage of large-scale and rapid monitoring, airborne remote sensing technology has emerged as an important approach to the eco-geological environment monitoring of mining areas. Advances This study first clarifies relevant concepts of eco-geological environment monitoring, as well as the monitoring requirements and contents specific to underground coal mining areas. Accordingly, it presents a summary of the advances in research on airborne remote sensing technology for the …

Development Path And Prospects Of Technologies For Detecting Hidden Hazards In Coalfield Fire Zones, Deng Jun, Wang Jinrui, Ren Shuaijing, Song Zeyang, Wang Caiping, Li Yaqing, Lu Junhui, Qu Gaoyang

Coal Geology & Exploration

Background Hidden hazards in coalfield fire zones are characterized by limited detectability, rapid evolution, and multi-hazard coupling, posing major challenges to the safe coal mining and related ecological restoration. Methods This study aims to achieve the fine-scale identification and risk control of hidden hazards in coalfield fire zones. Based on a systematic review of the genetic mechanisms and spatial distribution patterns of coalfield fire zones, this study summarizes the characteristics of three primary fire zone types: outcrop/surface fire zones, shallowly buried fire zones, and deeply buried underground burnt-out areas and fire zones within old coal pits. Multi-dimensional hazards caused by …

Vigor: Virtual Intelligence For Gaze Observation And Representation, Meherun Nesa Shraboni

Theses and Dissertations

Eye tracking in modern XR head-mounted displays can capture high-frequency gaze data at 90–120 Hz, generating thousands of samples within a single 30-second interaction. At the same time, the XR market has grown to millions of active users worldwide, with major platforms such as Meta investing heavily in eye-tracking-enabled devices. Despite this large-scale adoption and data availability, most applications still rely on hand-controller input, with gaze either processed offline or reduced to a simple pointing signal. As a result, the majority of temporally rich gaze information remains unused in real-time interaction, limiting system responsiveness, reducing interaction fidelity, and preventing effective …

A Multi-Agent Large Language Model Framework To Automatically Assess Performance Of A Clinical Ai Triage Tool, Adam Flanders, Yifan Peng, Luciano Prevedello, Robyn Ball, Errol Colak, Prahlad Menon, George Shih, Hui-Ming Lin, Paras Lakhani

Department of Radiology Faculty Papers

Radiology reports can be used as a surrogate for performance of clinical AI tools. Radiology reports were analyzed by an ensemble of eight open-source LLM models and a internal version of GPT-4o using a single multi-shot prompt that assessed for presence of ICH. Performance of the open-source models, consensus of models and GPT-4o were compared to human report review. Three ideal consensus LLM ensembles were tested for rating the performance of the triage tool. The capability of each LLM varied. The highest AUC performance was achieved with llama3.3:70b and GPT-4o. Using MCC the ideal combination of LLMs were: Full-9 Ensemble, …

Construction Project Administration: Course Portfolio, Andre Messner

UNL Faculty Course Portfolios

This portfolio presents a structured framework for the design and implementation of a construction project administration course within a Construction Management program. Emphasis is placed on aligning student learning objectives, instructional strategies, and assessment methods with current industry expectations and professional standards. The course is intentionally designed to bridge the gap between theoretical knowledge and practical application by incorporating real-world scenarios, collaborative learning environments, and experiential activities that mirror industry practices.

In addition to outlining the course structure, this paper examines the pedagogical foundations that support student-centered learning, including constructivism, scaffolding, and project-based learning. These approaches are used to foster …

Electrical Grid Architectures For Smart Cities From Digitalized Power Systems To Ai-Enabled Urban Energy Ecosystems, Ehab Bayoumi

Mechanical Engineering

Smart cities increasingly depend on electrical grid infrastructures capable of operating under high levels of digitalization, decentralization, and intelligence while maintaining reliability, security, and governance at the city scale. However, conventional power systems, historically designed for centralized generation and passive operation, are poorly aligned with the operational complexity, multi-actor coordination, and cross-sector integration characteristic of urban energy systems. This review develops an architecture-first perspective on smart-city electrical grids, tracing their evolution from digitalized power networks to decentralized and AI-enabled urban energy ecosystems. Rather than focusing on individual technologies, the study evaluates grid architectures using a multi-layer framework that integrates physical …

Smaller Right Ventricle Results In Poorer Exercise Performance In Young Patients With Repaired Tetralogy Of Fallot, Christiane Mhanna, Katerina Kourpas, Takeshi Tsuda

Department of Pediatrics Faculty Papers

BACKGROUND: Severe right ventricular (RV) dilatation and exercise intolerance are considered indications for pulmonary valve replacement in surgically repaired tetralogy of Fallot (rTOF).

METHODS AND RESULTS: Cardiopulmonary exercise testing (CPET) and cardiac magnetic resonance (CMR) were performed in rTOF patients with pulmonary insufficiency (PI). Oxygen pulse (OP), calculated as oxygen consumption (V̇O

CONCLUSIONS: A smaller RV was associated with worse exercise performance, indicating exercise intolerance is independent of RV dilatation in young rTOF with PI and represents a unique pathological entity responsible for reduced exercise performance.

Perceived Impact Of Covid 19 On Dental Therapy And Hygiene Students’ Wellbeing., Morag Powell, James Donn, Vivian Binnie

Peninsula Dental School

AimThe aim of this research was to investigate any impact from the COVID 19 pandemic on the well-being of dental therapy students. MethodsDental therapy students were invited to participate in focus groups to explore any impact of COVID 19 on their wellbeing. One pilot and two online focus groups were conducted.ResultsThree themes were identified from the focus groups including stress in relation to clinical experience and assessment, pandemic behaviours and perceptions of the University.ConclusionThe overall conclusion of the research is that COVID 19 did have an impact on the dental therapy students’ mental wellbeing. The stress from worry over missing …

Data-Driven Lpv Modeling Via Parametric Dmd And Predictive Control Of Highly Flexible Aircraft, Larry Catalasan, Tianyi He, Weihua Su

Mechanical and Aerospace Engineering Student Publications and Presentations

This paper presents a method of data-driven parametric dynamic mode decomposition (p-DMD) to derive a linear parameter-varying reduced-order model (LPV-ROM) and predictive control for the nonlinear aeroelasticity of highly flexible aircraft. It directly uses the data snapshots obtained at varying flight conditions and encodes a nonlinear model’s polynomial dependency on flight conditions to produce a polynomial-dependent LPV-ROM. The modeling method can handle not only equilibrium flight conditions but also continuously varying flight conditions. In numerical studies, the proposed data-driven p-DMD modeling is applied to a highly flexible cantilever wing perturbed around equilibrium conditions and a flexible aircraft with time-varying angles …

Successful Laparoscopic-Assisted Management Of A Rare Purely Cystic Type Iv Sacrococcygeal Teratoma In Neonate: A Case Report, Alghalya Khalid Almaawali, Ahmed Alwahaibi, Yousuf Al-Shaqsi, Farman Laghari, Bashar Dawud, Marwa Al-Riyami

Sultan Qaboos University Medical Journal

Type IV sacrococcygeal teratomas (SCTs) are the rarest subtype of SCTs. We report a 2-week-old female who presented to a tertiary care centre in Muscat, Oman, in 2024 with abdominal distension and feeding intolerance. Imaging revealed a purely cystic presacral lesion, managed with successful laparoscopic-assisted cyst excision and coccygectomy. Histopathology confirmed a mature cystic SCT and the patient was diagnosed with a purely cystic Altman type IV SCT. The postoperative course was uneventful apart from minor wound dehiscence, which resolved with conservative management. Follow-up showed complete wound healing and no recurrence. Purely cystic Type IV SCTs are extremely rare and …

Phytochemical Composition And Bioactivities Of Roselle (Hibiscus Sabdariffa L.) Extracts Obtained By Infusion, Ethanolic Maceration, And Maltodextrin-Assisted Drying, Risna Silvianti, Warsito Warsito, Elok Zubaidah, Zubaidah Ningsih, Aqidatul Izza

Karbala International Journal of Modern Science

Roselle (Hibiscus sabdariffa L.) is rich in phenolic compounds and anthocyanins, but the extraction method may influence its chemical composition and biological activity. This study compared hot-water infusion, ethanolic maceration, and maltodextrin-assisted drying. It aimed to examine the relationship between the extraction method, chemical profile, and bioactivity. The resulting extracts (EI, EM, and EP) were analyzed for total phenolic, flavonoid, and anthocyanin, LC-HRMS profiles, and antioxidant capacity by the FRAP assay. Antibacterial analysis was conducted against Escherichia coli (ATCC 25922) and Staphylococcus aureus (ATCC 25923) using agar well diffusion. Cytotoxicity tests (MTT, 24 h) were performed against HT-29, 4T1, …

The Implementation Of Digital Poster Media In Civics Learning To Improve Students' Ability To Express Opinions, Ilham Fajar Suhendar, Deden Nasihin, Tiara Adinda

Jurnal Pendidikan Humaniora

Digital poster media is an interactive online learning tool designed to help students learn through digital posters. Students can gain a better understanding of Civics concepts and improve their ability to express opinions through the implementation of engaging digital poster media in learning. This study examines the effectiveness of digital poster media in Civics education to enhance students' ability to express opinions. The research uses a quantitative approach with an experimental method. The results show that the application of digital poster media in Civics learning is effective in improving students' ability to express opinions. Students were proven to be more …

The Utilization Of Interactive Learning Videos To Improve Critical Thinking In Social Studies Learning Among Grade V Students At Sd Negeri 1 Kota Fajar, Cut Oktanalisa, Lili Kasmini

Jurnal Pendidikan Humaniora

Critical thinking is an essential competency for elementary students because it enables them to interpret information, analyze everyday problems, evaluate reasons, and communicate responsible decisions. In social studies learning, this competency needs to be developed through contextual, dialogic, and visually supported learning experiences. This study investigated the utilization of interactive learning videos to improve the critical thinking skills of Grade V students at SD Negeri 1 Kotafajar. The study employed a qualitative descriptive design supported by quantitative descriptive data. The participants were 30 Grade V students in the 2024/2025 academic year. Data were collected through pretest and posttest tasks, classroom …

Bibliometric Analysis Of Learning Methods To Enhance Students’ Communication Skills In Indonesian Language Education, Sri Mulyanti, Dinni Nurfajrin Ningsih, Indri Hidayati Putri, Triana Meishanda, Rizky Firmansyah, Nurul Fatehah Norhazaruddin

Jurnal Pendidikan Humaniora

Indonesian language learning has increasingly emphasized methods to strengthen students’ communication skills. However, systematic mapping of research developments in this area remains scarce. This study employed bibliometric analysis using metadata retrieved from Google Scholar (2019–2024) through the Publish or Perish application. Data were analyzed based on quantitative, qualitative, and structural indicators with VOSviewer to identify publication trends and thematic clusters. Eight main research characteristics were identified: (1) development of Indonesian-based learning models such as Problem-Based Learning (PBL), (2) teacher–student interaction, (3) the teacher’s role in applying methods and influencing outcomes, (4) student performance and media use, (5) comprehension analysis, (6) …

Development And Implementation Of Local Wisdom-Based Poster Teaching Materials To Improve Critical Thinking Skills Of Fifth-Grade Students At Sd Negeri Ulee Paya, Lisnawati Lisnawati, Lili Kasmini, Siti M. Sari

Jurnal Pendidikan Humaniora

This study aims to develop and implement local-wisdom-based poster teaching materials to improve critical thinking skills among fifth-grade students at Ulee Paya Elementary School. The learning material was designed by integrating classroom concepts with the local wisdom of Pulo Aceh, including community practices, environmental knowledge, and cultural narratives that are familiar to students. This study employed a Research and Development method using the ADDIE model, which consists of analysis, design, development, implementation, and evaluation stages. The participants were 27 fifth-grade students. Data were collected through pretest and posttest questions, teacher and student response questionnaires, classroom observation, and documentation. The findings …

American Struggle: Democracy, Dissent, And The Pursuit Of A More Perfect Union: An Anthology, Jay Nathan

Journal of Global Awareness

No abstract provided.

Fiscal And Monetary Policies For Inclusive Growth In Developing And Emerging Markets, Collins Anosike

Journal of Global Awareness

The study examined the effects of monetary and fiscal policies in attaining inclusive growth for some developing countries and emerging markets. The study selected 20 countries and grouped them into group one and group two. The study is unique because it captures a broader range of countries compared to previous studies and shows their effect on economic growth. We use panel data and employ OLS regression and Johansen cointegration. We examine how each variable, general government expenditure, gross national expenditure, total revenue, official exchange rate, broad money, and deposit interest rate, affects the dependent variable (real GDP) from 1980 to …

Women Self-Help Groups As Drivers Of Community Development In Rural Kenya, James Kariuki, Bhoke Chacha

Journal of Global Awareness

Self-Help Groups (SHGs) are informal grassroots associations of people who have similar objectives and concerns working cooperatively and collectively to meet their needs and improve their living conditions. SHGs are known to contribute towards the development and welfare of their members. This paper examines the role of SHGs in community development in Kenya with a focus on selected women groups in Migori and Makueni Counties. The study adopted a mixed research approach that provided both qualitative and quantitative data, and it was anchored on two interrelated theories of community development: empowerment theory and social capital theory. The researchers interviewed 80 …

Examining The Use Of Digital Journal Entries In A Special Education Course To Build Understanding Of Global Competence, Lema Kabashi, Leslie Rogers

Journal of Global Awareness

Teacher education programs increasingly emphasize the development of global competence (GC), particularly within experience-based learning contexts such as study abroad. This mixed-methods study examined teacher candidates’ (TCs) development of GC during a four-week study abroad experience by analyzing evidence from digital reflective journal entries and changes in self-reported perceptions across three time points. Data were collected from teacher candidates across two four-week summer sessions using digital journals and a Global Competence Self-Evaluation Survey. Qualitative content analysis was employed to identify the frequency with which three global competency areas were evidenced in the journal entries, while quantitative analyses examined changes in …

Lessons Learned In Providing Infant And Early Childhood Mental Health Consultation During The Covid-19 Pandemic, Rashele Wade

Journal of Global Awareness

Access to quality childcare is a protective factor from lifelong issues such as school failure, school drop-out, and incarceration. Conversely, preschool suspension and expulsion are significant risk factors. Evidence-based interventions, such as Infant and Early Childhood Mental Health Consultation, aim to reduce and eliminate the incidence of preschool suspensions and expulsions. The COVID-19 pandemic disrupted access to quality childcare for many children across the country and globally. This study utilized a qualitative action research approach and generic qualitative inquiry to examine the research question, “How can we improve Infant and Early Childhood Mental Health Consultation through lessons learned during the …

Caring For The Carers: Exploring The Mental Wellbeing Of Informal Palliative Caregivers Of Cancer Patients In Kenya, James Kariuki, Rose Njiraini

Journal of Global Awareness

Cancer cases have been on the increase globally, and this has led to economic burden on the affected households. One way of reducing the cost of care is through home-based care by informal palliative caregivers who include family members, friends, and other people assigned by the family members to take care of the patient. The objectives of this study were to assess the status of the mental wellbeing of palliative caregivers of cancer patients; to examine the relationship between the ability of the patient to cope with cancer diagnosis and the mental wellbeing of the caregiver; and to investigate the …

Navigating Burnout: The Role Of Workplace Support For Social Work Clinicians, Melanie Fulton

Journal of Global Awareness

The shortage of mental health workers is a growing concern in the United States, and social workers a substantial portion of employees who work with individuals with mental health concerns. This shortage stresses the importance of studying factors that impact burnout for mental health clinicians, particularly social work clinicians. While burnout among social workers in some settings have been documented in the literature, less research has focused on independently licensed clinical social workers in private practice. This study had participants complete a survey to examine the relationship between workplace support, burnout, and professional fulfillment among this population (N = 57). …

Notes From The Editor, Jay Nathan

Journal of Global Awareness

No abstract provided.

Letter From The Editor, Jay Nathan

Journal of Global Awareness

No abstract provided.

Dreams Intervention Program: A Web-Based Classroom For Universal Human Values (Uhv), Roseline Florence Gomes, Lijo Thomas, Preethi Nanjundan

Northeast Journal of Complex Systems (NEJCS)

The study investigated the implementation and processes of the DREAMS Intervention Program (DIP) web-based classroom model for understanding Universal Human Values (UHV) among college-going youth mentors. The DREAMS (Desire, Readiness, Empowerment, Action, Mastery for Success) Intervention Program (DIP) is a transformative five-stage model that fosters psychosocial development and leadership skills among children and adolescents. This evidence-based three-year After-School-Program (ASP) was guided through the theoretical lens of motivation, goal-setting, and self-determination that pairs middle school underperformers with college-going youth mentors and senior adults from local communities. Universal Human Values (UHV) are deep-rooted values that are needed in the contemporary educational system …

Heroism As Emotional Integration: A Process Model Of Emotion-Driven Heroic Action, Scott T. Allison

Heroism Science

Heroism is often framed as the expression of prosocial motivation fueled by positive emotions such as empathy, compassion, and moral elevation. This perspective, however, overlooks the complex emotional dynamics that characterize high‑risk, morally consequential action. This article advances a process model of heroism as emotional integration, involving the dynamic coordination of multiple and often competing emotions—including fear, anger, compassion, and moral concern—under conditions of uncertainty and threat. Drawing on research in heroism studies, positive psychology, and affective science, the model distinguishes heroism from ordinary helping by emphasizing emotional conflict, regulatory processes, and identity‑based commitment. It further differentiates rapid, intuitive …

The Machine For Its Own Sake: Tolkien's Critique Of Instrumental Reason And The Modern Ecological Ethos, Ahmad J. El-Youssef

Journal of Tolkien Research

This essay examines J.R.R. Tolkien's legendarium as a systematic critique of instrumental reason, positioning his work as a vital philosophical resource for diagnosing and navigating the Anthropocene. Rather than a simplistic anti-technology stance, Tolkien's concept of the "Machine" represents a teleological logic that reduces the living world to a standing reserve, paralleling contemporary ecological crises. Through analysis of key narratives, particularly the industrialisation of Isengard, the corruption of the Shire, and the restoration of Lothlórien, this study demonstrates how Tolkien dramatises the ontological flattening inherent in instrumentalist domination. The essay contrasts this with Tolkien's alternative ethos of sub-creation and stewardship, …

Developing Clear Guidance For Student Use Of Generative Ai In Academic Programs, Steve Baule

Essays in Education

As generative artificial intelligence becomes increasingly embedded in academic life, institutions need clear, consistent guidance for students and faculty. This paper describes how Winona State University’s College of Education developed complementary AI guidance documents through a collaborative, community-informed process. Following a college-wide symposium and student requests for clearer expectations, faculty leaders drafted documents and gathered feedback from faculty, current students, recent graduates, library faculty, and university committees. The resulting guidance emphasizes transparency, disclosure, privacy, verification of learning, and the distinction between AI as a tool and AI as a source requiring citation. Public dissemination of the documents helped promote consistency, …