Digital Commons Network^™

Exponential Decay For The Truncated Version Of The Porous-Elastic Model, Dilberto Da Silva Almeida Júnior, Baowei Feng, Luiz Gutemberg Miranda

BAU Journal - Science and Technology

This paper investigates the one-dimensional truncated version of the porous-elastic system that avoids the damaging con sequences associated with the second frequency spectrum. We consider a feedback law acting on the displacement of the elastic solid and establish well-posedness via the Faedo-Galerkin method. Furthermore, we prove an exponential energy decay result that holds independently of any specific relationship between the system’s coefficients, using the energy perturbation method.

The Medical Check Up Result Data Collection System Function To Determine The Health Condition Of Workers At Pt. Pertamina Region Iii, Shonia Fitriananda, Mohammad Ridha

Jurnal Administrasi Bisnis Terapan

Activities carried out at PT. Pertamina (Persero) is very diverse. One of the activities is Medical Check Up under the auspices of Pertamedika, which is a health facility in PT. Pertamina (Persero) which is intended for workers to be checked for health every year with physical examination in the form of heart examination, blood tests, eye tests, and ultrasonography (USG). With the activities, it is inseparable from direct communication between the administration and workers to confirm each other about the needs and desires of workers who can be helped by the medical administration. The preparation of this academic paper task …

Victimization In The Grain Tower: A Study Of The Effect Of Community Perceptions On Victimization Risk And Perceived Wellness In A Rural Environment, Morgan Steele, April Terry, Ziwei Qi, Troy Terry, Tamara Lynn

Criminal Justice Faculty Publications

Social science research has studied the role of neighborhood order in explaining perceptions of crime and official crime statistics for decades. When citizens perceive their neighborhood to be socially and/or physically disordered, community and interpersonal relationships diminish, mistrust increases, including negative perceptions of police legitimacy, and overall individual wellness decreases. However, little is known about these interactions within a college population—neighborhoods referred to as “studentification” and described as “student ghettos.” Using an online survey distributed to all students, faculty, and staff of a midwestern rural university, we sought to better understand the university population’s perceptions regarding social disorder, police legitimacy, …

Informing Cold Spray Via High Strain Rate Particle Impacts Captured Using Ultra-High-Speed Videography, Elias Timmons

Theses and Dissertations

The primary objective of this research is to provide insight into high strain rate deformation behavior of particles in cold spray-like impacts for the purposes of material vetting and optimization of spray parameters for deposition quality and efficiency. A light gas gun and ultra-high-speed videography techniques were engineered, built, and used for millimeter particle impact experiments and adapted to launch micron scale particles at controlled velocities and particle/substrate temperatures representative of cold spray conditions. Analytical techniques employed for understanding impact mechanics focused on characterization of impact behavior and presence of features related to cold spray particle bonding. This research demonstrates …

Phenytoin Dosing Practices For Traumatic Brain Injury Seizure Prophylaxis In The Absence Of The Availability Of Therapeutic Drug Monitoring In Uganda: A Chart Review Study, Karenbeth H. Bohan, Winnie Nambatya, Melanie R. Nicol, Prosperity Eneh, Su Phyu, Richard Odoi Adome

Pharmacy Faculty Scholarship

Phenytoin is commonly used for seizure prophylaxis in patients with traumatic brain injury at Mulago National Referral Hospital in Kampala, Uganda. However, phenytoin therapeutic drug monitoring is not available in this low-resource setting. Anecdotes of breakthrough seizures in patients on phenytoin from healthcare providers at this institution prompted this quality improvement study. This study aimed to characterize prescribing practices for phenytoin and other antiepileptic drugs and then identify improvement strategies for seizure prophylaxis in patients with traumatic brain injury. A retrospective medical chart review was conducted to retrieve information, including dosage and timing of all antiepileptic drugs prescribed in relation …

Green Practices On Sustainability Performance: The Moderating Role Of Slack Resources, Mariska Ramadana, Julia Julia, Erna Wati

Jurnal Akuntansi dan Keuangan Indonesia

Background: The growing urgency of environmental issues and economic imperatives has made sustainability a critical component of corporate strategy, particularly in developing countries like Indonesia. This study examines how green CEOs, green innovations, and green investments affect the sustainability performance of Indonesian companies listed in the Sri Kehati Index. Methods: Data from 2019 to 2023 were analyzed using regression analysis in STATA. The study also examined the moderating effect of absorbed and unabsorbed slack resources. Findings: The results show that a green CEO has no proven positive impact on sustainability performance, while green innovation has a negative …

Property Clause Power Play: The Blm's Conservation Rule And Loper Bright, Meridian S. Wappett, Sandra B. Zellmer

Public Land & Resources Law Review

This article examines the implications of Loper Bright on public land management through rulemaking. Part II provides a comprehensive overview of the case, its holding, and its potential ramifications. Part III delves into the history of the Administrative Procedure Act (“APA”), to illuminate the evolution and underlying rationale for agency deference. Part IV analyzes the constitutional framework underpinning the BLM’s statutory authority, rooted primarily in the Property Clause, which delegates the task of making “needful” rules governing public lands to Congress and to federal land management agencies. Finally, Part V argues that the Rule is valid, whether a reviewing court …

A Most Essential Power: The Case For Restoring Comprehensive Land Use Authority In Indian Country, Michelle Bryan

Public Land & Resources Law Review

Part I of this article provides a brief overview of allotment and its lingering jurisdictional quagmire on impacted reservations. Stepping outside of Indian Country, Part II then outlines the U.S. Supreme Court’s longstanding recognition of sweeping, area-wide government land use authority—authority it considers among the “most essential” and “least limitable.” The Court has never applied this established law when determining tribal sovereignty over land use. That application is long overdue.

Part III details how we arrived at this state of affairs—how tribes, despite starting with sovereign control over land use throughout their territories, experienced losses in that authority over time …

Water Knows No Boundaries: Tribal Jurisdiction Over Non-Indians' Off-Reservation Conduct That Threatens On-Reservation Tribal Water Resources, Wesley J. Furlong, Lori E. Blumenthal

Public Land & Resources Law Review

This Article begins by discussing Manoomin and Sauk-Suiattle, orienting the reader to how these complicated jurisdictional issues have been addressed by Tribal courts. Next, this Article sets forth the current framework under Montana and Merrion for determining the extent of Tribal civil jurisdiction over non-Indians. Next, this Article examines the caselaw establishing Tribal Nations’ inherent sovereign authority to exercise civil jurisdiction over non-Indian activities and conduct occurring on-reservation that threaten or affect Tribal water resources and rights. Finally, this Article examines the caselaw that lays the groundwork for extending Tribal Nations’ civil jurisdiction over non-Indian activities and conduct occurring off-reservation …

Occupational Noise Exposure In Mechanical And Maintenance Workshops In A Food Industry: Case Study, Hassan Kamalaldein Felemban, Ahmed Saleh Summan, Radhouane Chakroun

Journal of King Abdulaziz University: Meteorology, Environment and Arid Land Agriculture

Occupational noise exposure in industrial environments presents considerable hazards to workers' health and welfare. This case study analyzes the noise levels in the Maintenance & Workshop units of a small-scale food industry in Saudi Arabia, and assesses the related health impacts. The research indicates that noise levels are often above the advised safety limits, with several locations recording measures over 85 dBA, hence increasing the risk of Noise-Induced Hearing Loss (NIHL), cardiovascular complications, and psychological distress. Survey data indicates that around 32% of employees claimed that they suffer from hearing impairment, while a considerable number claimed cardiovascular and mental health …

Statistical Methods To Analyze Medical Images Radiomic Features: A Review, Emad Alsyed

Journal of King Abdulaziz University: Engineering Sciences

Radiomics refers to the quantitative extraction of features from medical images, which could potentially be introduced into clinical practice for improvement in diagnostic, prognostic, and predictive accuracy. Issues with regard to repeatability, reproducibility, and robustness challenge the reliability of radiomic features and their potential utility in clinical practice. This is a systematic review of the statistical methods employed in the analysis of features and their reliability cross studies. The databases reviewed were PubMed and Web of Science, with sources from January 2015 to January 2024. Critical identified statistical methods include the intraclass correlation coefficient (ICC), concordance correlation coefficient (CCC), means …

Recent Developments In Spectrally Efficient Frequency Division Multiplexing (Sefdm): Enhancing Spectral Efficiency In Wireless And Optical Communications, Esraa H. Kadhim, Ahmad T. Abdulsadda

Journal of King Abdulaziz University: Engineering Sciences

By breaking the orthogonality of subcarriers, spectrally efficient frequency division multiplexing (SEFDM), a multicarrier signal waveform, surpasses traditional orthogonal frequency division multiplexing (OFDM) in spectral efficiency. This article provides an overview of the research that has been conducted on SEFDM since 2015. It covers the ideas and foundations, applications in wireless and optical communications, circuit design, and experimental test beds. UCL as well as other academic institutions and research facilities throughout the world have completed this work. With an emphasis on signal production, detection, and channel estimation, we pinpoint methods to enhance SEFDM performance and usefulness. In terms of spectrum …

Design And Development Of Smart Wheelchair From Lecture Chair, Muhammad Sholihul Abdillah, Fauzan Masykur, Abdur Rohman Hasan

Journal of King Abdulaziz University: Engineering Sciences

Wheelchairs play a vital role in providing mobility for individuals with physical disabilities. Enhancing these devices with modern technology significantly improves user convenience and overall functionality. A key enhancement involves integrating smartphones into wheelchair systems. While conventional wheelchairs are generally operated manually, this research presents a smart wheelchair prototype adapted from a standard classroom chair, which is wirelessly controlled using a smartphone via Bluetooth and an Arduino Uno R3 microcontroller. The project involves developing both a mobile application and embedded software. The mobile app is created through a visual block-based programming interface, while the Arduino side is coded using C++. …

Interpretation Of Natural Resources Conservation Service Curve Number (Nrcs-Cn) From Field Observations Of Rainfall And Runoff Events In The Arid Environment Of Saudi Arabia, Mohammed Mohammed Farran, Nassir Al-Amri, Amro Mohamed Elfeki

Journal of King Abdulaziz University: Meteorology, Environment and Arid Land Agriculture

The curve number (CN) method is the commonly used technique for the estimation of direct runoff for flood estimation studies. The objective of this study is to get an improved estimate of NRCS-CN and the initial abstraction ratio (λ) in the Jeddah region from field measurements of rainfall and runoff events. The methodology is based on the NRCS-CN theory for the basins in the Jeddah region. Five basins located in Jeddah were considered, and 30 rainfall-runoff events were analyzed. The least-squares method was used to obtain the optimum range of values for λ and CN. The results are …

Synthesis And Characteristics Of Cerium Vanadate-Strontium Oxide: Exploring Novel Composite Material, Sunnia Shafiq, Adeeba Noshahi, Muhammad Shahid Shafique, Bushra Kanwal, Shavezah Nazeer, Zainab Javed, Rabia Zahoor

Journal of King Abdulaziz University: Engineering Sciences

The study describes the synthesis and characterization of Cerium Vanadate-Strontium Oxide (CeVO₄-SrO) nanocomposite. It emphasizes the importance of nanoparticles in various scientific applications, especially energy storage. The study used a hydrothermal approach with particular precursor components to synthesize the nanocomposite. The resultant materials are examined using X-ray diffraction (XRD) and scanning electron microscopy (SEM) to evaluate their crystallite sizes and structural characteristics. The study found that SrO has an irregular rough shape, CeVO₄ appears spherical, and the composites have a nanorod-like structure. UV-visible spectroscopy provides discrete absorbance peaks, which confirm the material's optical characteristics. The conclusion highlights …

Faktor-Faktor Yang Berhubungan Dengan Massa Otot, Kekuatan Otot, Dan Performa Fisik Pada Lansia, Nur Riviati, Taufik Indrajaya, Rukiah Chodilawati, Ridzqie Dibyantari, Bima Indra

Jurnal Penyakit Dalam Indonesia

Introduction. Despite its high prevalence and significant impact on health, comprehensive studies are still needed to explore the factors affecting sarcopenia parameters, such as muscle mass, muscle strength, and physical performance. This study aimed to identify the factors influencing sarcopenia parameters in the elderly, including muscle mass, muscle strength, and physical performance.

Methods. A cross-sectional study was conducted from July to December 2022 on elderly individuals (>60 years old) at the Geriatric Polyclinic, Moh. Hoesin General Hospital, Palembang, selected through consecutive sampling. Muscle mass was measured using bioimpedance analysis, expressed in ASMI values; muscle strength was measured …

Transitioning From Microfluidic-Based To Bioprinted Decellularized Extracellular Matrix In Vitro Blood–Brain Barrier Models, Connor O. Mowen

Theses and Dissertations

The blood–brain barrier (BBB) regulates transport between the vasculature and central nervous system but limits therapeutic delivery. In vitro BBB models are essential for studying barrier function, disease mechanisms, and drug transport, yet traditional systems often lack biological relevance. This thesis aimed to improve model fidelity and scalability by refining a PDMS-based microfluidic fabrication protocol and developing a spinal cord-derived decellularized extracellular matrix (dECM) bioink for bioprinting applications. A multi-step protocol was optimized to decellularize bovine spinal cord tissue, followed by enzymatic digestion to generate a printable dECM solution. UV–Vis spectroscopy confirmed protein retention, and DNA quantification revealed residual nucleic …

Kelvin Rosa V. Administrator East Jersey State Prison

2025 Decisions

USDC for the District of New Jersey

Semiotics Of The Title And Character Names In The Novel "Mobile Message" By Munira Al-Sulaiman, Muznah Abdullah Abdulazi Albahlal

Journal of King Abdulaziz University: Arts and Humanities

This research aims to read the novel (Mobile Message) by Munira Al-Sulaiman with a semiotic reading that reveals the systems and signs used in producing meaning, a reading that looks at the novel as a group of signs that indicate the author’s intention, starting from the apparent structure to the meanings hidden in the depths of words through the structure of the title and the names of the characters that encapsulate the message of the text, and revealing the character’s significance in the novelistic work through multiple paths that reveal its issues and ideas.

The research revealed the writer's awareness …

Enhancing Quality Assurance In Construction Implementation: The Role Of Bim As A Comprehensive Documentation Tool, Ahmed M. Hani

Journal of King Abdulaziz University: Engineering Sciences

This study investigates the potential of Building Information Modelling (BIM) as a tool for enhancing the quality assurance of construction projects during the implementation phase. Given the increasing complexity of construction projects and the growing amount of information required, BIM has emerged as an indispensable tool for the Architecture, Engineering, and Construction (AEC) industry. Nevertheless, many construction projects encounter challenges and delays due to incomplete information and inadequate documentation during the construction phase, thereby compromising the quality of the final product. To address these issues, the study conducts a meticulous analysis of recently published papers, online resources, and practical experiences …

Simulations Of Single Metallic Particle Impacts Onto Polymeric Substrates For Insights Into Cold Spray Adhesion At Composite Material Interfaces, Saidur Rahman Shoaib

Theses and Dissertations

Metallization of polymer-based composites finds applications in a variety of industries in which addressing challenges such as electrical discharge mitigation or surface erosion can be vital. Cold spray additive manufacturing is emerging as a cutting-edge technology for polymer/composite metallization, offering a transformative approach to achieving desired material enhancements. This study employs finite element analysis (FEA) to evaluate the adhesive “bonding” strength (i.e., extraction force under impulsive dynamic loading) between single 20-micron diameter spherical metal (copper) particles and polymer (polyetheretherketone) substrates under cold spray-relevant impact conditions. Analysis of FEA simulations centers on initial impact processes parameterized by particle impact velocity and …

"The Growing Burden: Overweight And Obesity Prevalence And Risk Factors Among Medical College Students In Mysuru: A Cross-Sectional Study", Akansha ., Nayanabai Shabadi, Anchu R Nath, Ravipati Manogna

Digital Journal of Clinical Medicine

ABSTRACT:

Background:

The transition from adolescence to adulthood is often accompanied by significant lifestyle changes, including changes in dietary habits, physical activity levels, and stress, which can contribute to unhealthy weight gain. In India, the prevalence of overweight and obesity among youth has shown an upward trend, raising concerns about early onset of non-communicable diseases. This study aims to assess the prevalence of overweight and obesity among degree college students in Mysuru and to identify the associated socio-demographic and lifestyle factors contributing to these conditions.

Methodology:

A cross-sectional study was conducted over three months, from January to March 2025, among …

Nebraska Farm Real Estate Market Highlights 2024-2025, Jim Jansen

Nebraska Farm Real Estate Reports

Reversing a half decade in gains, the all-land average value in Nebraska declined for the year ending February 1, 2025, averaging approximately 2% lower than the prior year. Figure 2 summarizes these figures and trends along with the percent changes over the preceding year’s all-land average for the eight districts in the state.

Rates of decline were the highest in the Northeast and Southeast Districts, as these areas averaged 3% lower for the all-land average. These Districts trended slightly similar to the state's rate of decrease of 2%. The South and Southeast District also averaged 2% lower.

The other four …

Life Beneath The Tides: Seagrass Meadows In Surigao Del Sur, Philippines, Giselle B. Ramos, Roxan E. Caray

Journal of King Abdulaziz University: Marine Science

Seagrasses are a valuable component of global blue carbon ecosystems yet are also endangered due to natural and man-made pressures. This study assessed the seagrass resources regarding species community structure and diversity using a transect-quadrat design along the intertidal coastlines of selected towns of Surigao del Sur. Of the 19 recorded species in the Philippines, seven common species were observed: Cymodocea rotundata, Enhalus acoroides, Halodule pinifolia, Halodule uninervis, Thalassia hemprichii, Syringodium isoetifolium, and Halophila ovalis. Across study sites, the most evident species are T. hemprichii, C. rotundata, and S. isoetifolium; the existence …

Steric Sea Level Variability Over The Red Sea, Turki Alraddadi

Journal of King Abdulaziz University: Marine Science

The current paper analyzes the steric sea level (SSL) variability over the Red Sea (RS) and linked it with climate modes namely, North Atlantic Oscillation (NAO) and East Atlantic West Russian (EAWR) patterns using a reanalysis dataset. Long-term (1993--2015) profile temperature and salinity data acquired from Simple Ocean Data Assimilation (SODA) was used to compute the SSL. The results show that the SSL is out of phase comparing to the total sea level, which may reduce fluctuations of water level within the sea. Furthermore, it accounts for only 10% of the total sea level variations. The first and second Empirical …

Optimal Placement Of Distributed Generation Units In Power Distribution Networks Using Particle Swarm Optimization, Owdean M. Suwi

Tanzania Journal of Engineering and Technology (TJET)

Power losses and voltage drops in distribution networks are critical issues in power system operation, reducing efficiency, reliability, and overall quality of the power supply to customers. Additionally, the rising electricity demand, deregulation of energy markets, and congestion in transmission networks have further contributed to the declining performance of the grid. To address these challenges, integrating distributed generation units (DGUs) into electric distribution systems has gained significant attention. Furthermore, the integration of DGUs into conventional fossil fuel-based power plants is becoming necessary to reduce greenhouse gas emissions. However, proper placement and sizing of DGUs are crucial for achieving optimal benefits. …

The Royal Academy Of Engineering, Uk And The Enriching Of Engineering Education Training And Practice Programme In Sub-Saharan Africa, Bavo B. Nyichomba

Tanzania Journal of Engineering and Technology (TJET)

This paper elucidates initiatives taken by the Royal Academy of Engineering, UK, to overcome barriers in education and training in Sub-Sahara African higher learning engineering institutions. The said barriers include mismatches of curriculum, ineffectual teaching and learning and little exposure of academic staff to engineering practice. In order to overcome such barriers, the Royal Academy of Engineering established the two programmes in the region. The first one, Enriching Engineering Education Programme (EEEP) from 2014/15 to 2015/16 where the University of Dar es Salaam coordinated this programme as a hub for East African universities namely; Makerere University (Uganda), Moi University (Kenya), …

Performance Dynamics Of Activated Carbon-Methanol Pair In Adsorption Refrigeration Systems, Ibrahim J. Mwasubila

Tanzania Journal of Engineering and Technology (TJET)

Adsorption refrigeration systems have shown potential for addressing the adverse effects of traditional compressor-based refrigeration systems. Adsorption refrigeration systems that utilise activated carbon and methanol demonstrate good performance, especially at temperatures below 0 °C. This combination significantly improves the cooling performance of the system, making it a dependable option for freezing applications. Despite having the potential to meet cooling demand and be eco-friendly, the adsorption refrigeration system has several drawbacks that hinder its commercialisation. This paper discusses the properties of the activated carbon methanol pair in the adsorption refrigeration system. The focus is on the desorption temperature, thermal stress, repeatability …

Analysis Of The Development Potential And Strategy Of The Kauman Batik Village In Surakarta Using Quantitative Strategic Planning Matrix (Qspm) Approach, Fauzi Syani Prananto, Edi Kurniawan, Satya Budi Nugraha

Jurnal Pendidikan Geografi: Kajian, Teori, dan Praktek dalam Bidang Pendidikan dan Ilmu Geografi

The increasing development of other leading destinations in Surakarta City, there are many challenges that must be faced by Kauman Surakarta Batik Village. The activation of tourism potential that has not been fully managed optimally shows that the existence of the village is starting to be threatened. The purpose of this research is to identify tourism potential that needs to be developed and to analyze the development strategy of Kampung Batik Kauman Surakarta tourist attraction by looking at the potential it has. The method used in this research is quantitative with data collection techniques, namely observation, interviews and questionnaires. Data …

Flash Flood Modelling In The Brantas Hulu Sub-Watershed, Batu City, Indonesia, Listyo Yudha Irawan, Vischawafiq Azizah, Siti Nur Farihah, Luisa Fernanda Medina, Puspita Indra Wardhani, Nanda Regita Cahyaning Putri, Mellinia Regina Heni Prastiwi, Mohammad Rendra Magandhi Arizal

Jurnal Pendidikan Geografi: Kajian, Teori, dan Praktek dalam Bidang Pendidikan dan Ilmu Geografi

Flash floods are especially hazardous hydrological phenomena, noted for their abrupt occurrence and capacity to inflict severe damage on infrastructure, farmlands, and residential zones, often leading to substantial socio-economic upheaval and fatalities. A flash flood struck the Upper Brantas watershed on November 4, 2021, at 14:00, precipitated by intense rainfall over a short duration, leading to significant hydrological impacts. The event manifested at six critical points within Batu City, with Sambong Hamlet and Beru Hamlet experiencing severe inundation. The flash floods disrupted residential areas and severely affected agricultural lands through debris flows. Preliminary assessments indicated that approximately 35 houses were …