Digital Commons Network^™

Groundwater Exploration Using Electrical Resistivity Method: A Case Study Of Ga-Gata, Ilorin, Nigeria, A. K. Olawuyi, V. O Oluwole

Sultan Qaboos University Journal For Science

Twenty-five Schlumberger Vertical Electrical Soundings and six Horizontal Resistivity Profiling for groundwater exploration at Ga-Gata along Ajase-ipo road, Ilorin in Kwara State, Nigeria were carried out. The aim was to identify the different subsurface geoelectric layers and the aquifer units. Using the usual method of curve matching with the Orellana-Mooney Master curves and 1-D forward modeling with WinResist 1.0TM software, between three to five lithologic units were identified. These include: the topsoil, the lateritic layer, the weathered layer, the fractured layer and the fresh bedrock. The weathered and fractured basement constitutes the main aquifer unit. The depth to the bedrock …

Mineralogical, Chemical And Physical Properties Of Zeolite Minerals In The Maryah Area, Dhamar, Yemen, Amer M. Al-Sabri, Salah A. Al-Khirbash, Nabil M. Al-Areeq

Sultan Qaboos University Journal For Science

Natural zeolite minerals are a group of hydrated aluminosilicates known for their unique properties, including ion exchange, adsorption, and catalytic capabilities. This paper aims to delineate the mineralogical, chemical, and physical properties of natural zeolite minerals in the Maryah area, Dhamar, Yemen and highlight their significance in various applications such as agriculture, environment, and industry. The petrographic study indicates that the zeolitization processes occurred due to volcanic glass alteration. Based on the XRD pattern, it was found that the zeolite minerals are clinoptilolite and hollandite, which represent most of the mineral content, and they are among the common commercial types …

Enhancing Fiber Reinforced Polymer Composite Performance Through Silane Coupling Agents, Muhammad Umair, Ayesha Shahbaz, Amna Siddique, Khubab Shaker, Zulfiqar Ahmad Rehan

Sultan Qaboos University Journal For Science

The utilization of natural fibers as reinforcement in composite materials is becoming increasingly significant due to their renewable nature and capacity to biodegrade, making them a viable alternative to glass fibers. The present study aims to evaluate and compare the impact of coupling agents made of silane on the characteristics of composites derived from jute and glass fibers. To improve the adhesion between the fiber-matrix interface, a silane coupling agent was applied to the jute and glass woven reinforcements. The present study aimed to explore the effects of varying silane concentrations (1%, 2%, and 3%) on the mechanical properties, specifically …

Production Of Recombinant Β-Galactosidase Protein In Bombyx Mori (Bmn1) Baculovirus Insect Cells, Shuhrat Sh. Khasanov, Jumanazar Ch Mengturayev, Jaloliddin M. Abdurakhmanov, Dilmurodjon B. Turdaliyev, Shakhnoz S. Azimova

CHEMISTRY AND CHEMICAL ENGINEERING

In this study we aimed to obtain a novel recombinant β-galactosidase baculovirus using the Bombyx mori baculovirus – insect cell expression system. A new recombinant plasmid was constructed on the basis of the pBacPAK8 transfer vector and cloned in E. coli cells. Subsequently, a recombinant baculovirus was generated in Bombyx mori cells, and efficient expression of the β-galactosidase gene was observed. The enzymatic activity of the protein was confirmed by the ONPG assay. The results demonstrated that the baculovirus – insect cell system expands the possibilities for producing proteins of industrial significance.

Digital Marketing Strategies To Meet Digital Consumers’ Behavior In The New Era: Challenges, Path, And Interventions To Navigate The Technological And Social Turbulence, Dario Natale Palmucci, Christian Di Prima, Vittoria Magrelli

Economic and Business Review

This paper examines how digital marketing is being reshaped by five interrelated tensions: balancing data privacy and personalization; navigating global–local dynamics (including cultural sensitivities and country-of-origin effects); integrating artificial intelligence without losing human connection; ensuring authentic communication to mitigate reputational risks linked to environmental, social, and governance (ESG) and ethical storytelling; and responding to shifting consumer preferences, particularly among younger generations. We combine a targeted literature review with semistructured interviews of marketing professionals across industries and seniority levels. Findings portray marketers as “tightrope walkers” who negotiate paradoxes that redefine the function. We propose an integrated framework that synthesizes previously fragmented …

Photocatalytic Activity Of The Mixed Of Ti/Fe/Mo Oxide Composites For Degradation Of Nitrofurazone, Dilshoda R. Tursunova, Zuhra Ch. Kadirova, Shahlo Sh. Daminova, Kadriya Kh. Gabidullina

CHEMISTRY AND CHEMICAL ENGINEERING

The aim of study is synthesize mixed oxide composites based on titanium dioxide, iron and molybdenum oxides from industrial waste materials and evaluated for their photocatalytic degradation performance of nitrofurazone—a persistent and toxic antibiotic frequently detected in aquatic environments. Various Ti/Mo ratios (T95M5, T87.5M12.5, T75M25, and T50M50) were prepared through thermal treatment at 600 °C and characterized using XRD, UV–Vis and Raman spectroscopy to assess structural and optical properties.XRD and Raman analyses confirmed the presence of anatase-phase TiO₂ and Mo/Fe oxides, with optimal crystallinity and heterojunction formation observed in the T87.5M12.5 composite. UV–Vis spectroscopic studies demonstrated that this composite exhibited …

Are Loyalty Programmes Still “A Thing” In High-Fashion Retail? Understanding Generation Z’S Perspective, Živa Kolbl, Lori Šušulić

Economic and Business Review

This study investigates the relevance and perception of loyalty programmes (LPs) among Generation Z (Gen Z) consumers in the high-fashion retail sector. While LPs are well-established tools for fostering customer retention, their effectiveness among Gen Z, a cohort characterized by digital fluency, a preference for authenticity, and distinct consumption values, remains underexplored. Given the high-fashion context, where exclusivity and identity are critical, this study examines the extent to which LPs resonate with this generation. Utilizing a qualitative methodology and with the help of thematic analysis, we reveal four key dimensions: drivers of high-fashion consumption, shopping preferences, customer loyalty patterns, and …

Gas Chromatographic Analysis Of Fractions Separated By Atmospheric Distillation Of Pyrolysis Distillate, Gulnora K. Komolova, Lola A. Yusupova

CHEMISTRY AND CHEMICAL ENGINEERING

The primary objective of this study is to optimize the process of isolating the C9 hydrocarbon fraction from pyrolysis distillate and to evaluate the impact of various temperature regimes on the product composition. To achieve this goal, the dry distillation process was conducted at three different temperatures: 152 °C, 159 °C, and 170 °C. Condensate samples obtained from each test were analyzed using gas chromatography (GC). The analysis results revealed that the fraction obtained at 152 °C yielded the most favorable outcome: the C9 fraction yield was 11.11%, which is higher than the values obtained at 159 °C (4.59%) and …

Lightweight Thermal Insulation Brick Based On Jerdanak Clay Shale, Obtained With The Addition Of Sawdust, Mastura Kh. Aripova, Sarvar T. Bozorov

CHEMISTRY AND CHEMICAL ENGINEERING

The aim of this study was to produce lightweight thermal insulation bricks based on Djerdanak clay shale with the addition of wood sawdust. The starting materials were clay shale from the Djerdanak deposit, fireclay made from it, and wood chips—a waste product from the wood processing industry. The optimal brick composition was determined to include 60% clay shale, 40% fireclay made from clay shale, and 14% wood chips (over 100%). The apparent density of the optimal brick composition corresponds to an apparent product density of 1 g/cm³ and a compressive strength of 3.6 N/mm². The microstructure of the material demonstrates …

Development Of A Method For Using Effective Elements For The Storage Of Electrical Energy, Jasur M. Melibaev, Nasiba U. Abduraimova, Sardor S. Abriev, Yulbarskhon N. Mansurov

CHEMISTRY AND CHEMICAL ENGINEERING

The aim of the work is to find ways to use cryotic metals that also provide added value to the economy, using the example of tantalum and zirconium. Among the critical metals, there are those that are rarely found in the Earth’s crust but possess unique properties. These include tantalum and zirconium. While zirconium finds industrial applications, tantalum is still rarely used – its main application in capacitors for producing phones, computers, and automotive electronics. A small amount of tantalum is used to make hard alloy elements. Analysis showed that between zirconium and tantalum, there is a mixture of two …

Waste Utilization Considering Volatiles Circulation Behavior In Cement Kilns, Geun-Seong Lee, Farrukh B. Erkinov, Zebo A. Babakhanova, Mukhammadamin Sh. Jololdinov, Mastura Kh. Aripova

CHEMISTRY AND CHEMICAL ENGINEERING

Since the cement kiln process has various advantages for waste incineration, the waste utilization as alternative fuel has been widely applied in the cement process. For waste utilization in kiln process, it is necessary to operate within the range of not-affecting the clinker quality and the operation stability, and not-causing pollution problems, with ensuring the smooth clinker production. In order to quantitatively analyze the volatiles circulation phenomena during waste utilization as alternative fuel in the kiln process, the simplified volatiles circulation model is derived based on material balances of volatiles, from which the permissible waste utilization % as alternative fuel …

Physico-Chemical Study Of Interaction In The “Urea – Glycine – Water” System, Suvonkul E. Nurmonov, Saydullo Kh. Azimov

CHEMISTRY AND CHEMICAL ENGINEERING

A comprehensive physicochemical study of the aqueous “urea – glycine” system was conducted to establish the mechanisms of intermolecular interaction and stability parameters for the development of modified liquid nitrogen fertilizers (LNF). Isomolar series, visual-polythermal analysis, X-ray phase analysis (XRD), single-crystal X-ray diffraction (SC-XRD), IR spectroscopy, and thermal analysis (DTA/TGA) methods were applied. It was found that the interaction of components in solution leads to the formation of molecular associates stabilized by hydrogen bonds. The XRD and SC-XRD methods confirmed that no new individual chemical compounds are formed in the solid phase. It was proven that the addition of glycine …

Unlocking The Industrial Potential Of Khojaykon Sylvinite Through Mineralogical And Chemical Investigations, Elyor D. Eminov, Kholtura Ch. Mirzakulov, Gavkhar E. Melikulova, Ruslan Ch. Yorbobaev, Kamola S. Arifdjanova

CHEMISTRY AND CHEMICAL ENGINEERING

The purpose of this study is to analyze the chemical, mineralogical, and fractional composition of sylvinite from the Khodjaikan deposit in Uzbekistan in order to assess its potential for potassium fertilizer production. Using chemical analysis, XRD, and IR spectroscopy, the ore was found to contain KCl (19.5–30.1%), NaCl (62.08–71.85%), CaCl₂ (1.12–1.32%), and MgCl₂ (0.18–0.32%). The water-insoluble residue, mainly sulfates, carbonates, and silicates, was also identified. These findings are important for improving beneficiation processes and reducing waste. Comparison with the Verkhnekamsk deposit highlights the quality and potential of Khodjaikan sylvinite. The research supports sustainable resource management.

Changes In The Structure And Properties Of Titanium In The Process Of Pressure Treatment, Sardor S. Abriev, Nasiba U. Abduraimova, Zokir R. Akramov, Yulbarskhon N. Mansurov

CHEMISTRY AND CHEMICAL ENGINEERING

Titanium is classified as a critical metal. It serves as a raw material for a wide range of industries owing to its unique properties – high strength at low density, corrosion resistance, and biocompatibility makes it indispensable. Uzbekistan and China possess primary resources for titanium production. However, the complexity of extraction and particularly processing, combined with high production costs, limits its large-scale use and increases the risk of shortages in industrial manufacturing. In this study, the structural and property evolution of titanium during pressure-based processing was investigated. Technology for producing powder titanium by metal forming methods is proposed. The results …

The Structure And Properties Of Er2o3 And Yb2o3 Based Ceramic Materials, Sintered Under High Pressure, Vladimir S. Urbanovich, Vadim D. Zhivulko, Eygeniy N. Poddenezhny, Ekaterina E. Trusova, Vladimir S. Niss

CHEMISTRY AND CHEMICAL ENGINEERING

The aim of the work was to obtain high-density optically transparent ceramic samples by sintering cubic modification Er₂O₃ and Yb₂O₃ oxides micropowders at the pressure of 7 GPa and the heating current power of 0.6–1.0 kW, which was demonstrated. Non-monotonic dependence of the density on the heating current power has been established. The maximum density values of 9.2 g/cm³ (Er₂O₃) and 9.8 g/cm³ (Yb₂O₃) were achieved at the power of 0.8 and 0.9 kW, respectively. During sintering, the cubic phase partially transforms into the …

(R2127) On 2-Absorbing Hesitant Primary Fuzzy Ideals Of Rings, B. Anitha, M. Vidhya

Applications and Applied Mathematics: An International Journal (AAM)

By presenting 2-absorbing hesitant primary fuzzy ideals, we begin the investigation of a generalisation of hesitant primary fuzzy ideals (HPRFI) in rings in this research. The concepts of a weakly completely 2-absorbing hesitant primary fuzzy ideal (WC2-AHPRFI) and a Weakly completely 2-absorbing hesitant fuzzy ideal (WC2-AHFI) are developed, and their structural features and attributes are examined. We introduce the idea of a 2-absorbing hesitant K-fuzzy ideal (2-AHK-FI), 2-absorbing hesitant K-primary fuzzy ideal (2-AHK-PRFI) and examine a few of its characteristics.

(R2136) Dimensionless Modeling And Analytical Insights Into Botanical Biofiltration Systems For Voc Reduction, N. Jeeva, K. M. Dharmalingam, M. Veeramuni

Applications and Applied Mathematics: An International Journal (AAM)

This paper investigates the mathematical modeling of volatile organic compound (VOC) removal using a botanical biofiltration system, an effective biological treatment method. It examines mass balance concentrations in the gas and biofilm phases, highlighting their significance in VOC degradation and indoor air quality enhancement. The governing equations of the proposed model are converted into a dimensionless form, resulting in second-order nonlinear differential equations. Derived from mass transfer and reaction kinetics principles, these equations incorporate specific boundary conditions to capture gas-biofilm interactions and VOC removal dynamics in biofiltration. The modified Adomian decomposition method (MADM) is utilized to derive analytical solutions for …

Bard Observer Vol. 24, No. 3 (December 2025), Bard College

Bard Observer, 2020 - 2029

No abstract provided.

Fully Integrated Slippage Detection System For Lower Limb Amputees, Christopher E. Miglio

Master's Theses

Lower limb amputees face significant challenges in maintaining a proper prosthetic fit, as improper fit can lead to slippage at the limb-socket interface, resulting in discomfort, pressure sores, and long-term musculoskeletal complications. To address this issue, a fully integrated slippage detection system was developed to monitor an amputee’s daily activities and slippage occurrences to understand their prosthetic fit over time. The system consists of a prosthetic sock embedded with Interlink 406 flexible piezoresistive force-sensing resistors (FSRs). The sock, worn directly on the residual limb, continuously measures pressure at the limb-socket interface. Sensor data from six FSRs is sampled at approximately …

Aged 539 Graduate Internship Report - Mt. Whitney High School, Tule Marie Cardoza

Agricultural Education: Graduate Internship Reports

This project reviewed a high school agricultural education program with an emphasis on agricultural mechanics. Program strengths and needs were identified through curriculum and resource evaluation. Based on the findings, a budget was developed to support equipment, materials, and instructional improvements for the ag mechanics program.

Applicability Of Syntropic Agriculture To A Semi-Arid Continental Climate: Alentejo To New Mexico, Arielle Nathan, Joana Dionisio Msc, João Serra, Joseph Lanning, Cátia Magro Dr.

Journal of Critical Global Issues

Conventional industrial agriculture has detrimental effects on the environment including pollution and overconsumption of water, soil degradation, and biodiversity reduction. An environmentally sustainable future of food production requires alternative methods that limit negative environmental consequences. Syntropic Agriculture (SA) is a promising farming alternative especially for arid systems at risk of desertification. New Mexico, USA, is a semi-arid continental climate in a prolonged period of drought and predicted to experience worsening agricultural conditions including desertification, wildfire intensification, and exacerbated water scarcity. The Alentejo region of Portugal has a Mediterranean climate with similar agricultural challenges. The agroecological transition project, Terra Sintrópica, located …

Teachers’ Perspectives On Text Selection In A Time Of Book Bans And Censorship, Natalie Sue Svrcek, Kathleen Colantonio-Yurko, Henry "Cody" Miller

Reading Horizons: A Journal of Literacy and Language Arts

The last 4 years of headlines describing the various book bans and curricular gag orders happening in the United States serve as an important context for P–12 teachers’ daily work. This article describes the findings from a qualitative survey that sought to understand what influences P–12 teachers’ text selection for teaching and for inclusion in their classroom library in the aforementioned context. Teachers reported stakeholders who held decision-making power as well as which stakeholders were influential in their text selection. Three overarching themes emerged from teachers’ most influential factors in their text selection: social and communal influences, literary content and …

Universal Classroom Design, Michelle Dodson Landry

Women’s Leadership

This research seeks to bridge the gap between K–12 inclusion practices and the realities of higher education by exploring how universal design, institutional support, and educators’ belief systems can create more inclusive environments and support students to have higher grades and more intrinsic mastery of the subject matter. It is not enough to mandate inclusion; we must actively build systems that support all learners, regardless of whether their disability is visible, diagnosed, or self-identified. This study looked at the efficacy of universal classroom design in raising the median grade in a course. The median grade in this course has historically …

2025 Fall Commencement Program, The University Of West Alabama

Commencement Programs

No abstract provided.

Aged 539 Graduate Internship Report – San Marcos High School, Stephanie Navarrete

Agricultural Education: Graduate Internship Reports

This project report includes documentation required in meeting the quality criteria for secondary-level programs of instruction in agriculture. The supporting documents include information to prove that San Marcos High School is meeting the requirements. This document also provides an overview of San Marcos High School agriculture program.

A Novel Microfluidic Device For Preclinical Testing Of Chemotherapeutics, Kaija Saleh Ogan

Master's Theses

This work demonstrates the feasibility of a novel microfluidic tumor model that reproduces physiologically relevant nutrient gradients and endothelium–tumor interactions, validating its potential as a preclinical test platform. Finite element simulations of glutamine diffusion and fluid dynamics aligned with experimental tracer studies, and co-cultures supported directed endothelial migration toward tumor spheroids, confirming the device’s ability to mimic in vivo–like behavior.

Current preclinical models often fail to capture the complexity of the tumor microenvironment (TME), limiting their predictive value for therapeutic testing. Nutrient availability and angiogenic signaling are critical drivers of tumor progression, yet they are poorly represented in traditional …

Water Rights Accounting And Distribution In Utah, Sarah Null, Bethany Neilson, Eileen Lukens, Eryn Turney, Utah Division Of Water Rights

Watershed Sciences Faculty Publications

This white paper summarizes how the Utah Division of Water Rights (WRi) administers water rights through the coordinated processes of water distribution and accounting. Water distribution involves apportioning divertible flow in river systems by adjusting diversions and reservoir storage. To account for and distribute water effectively, WRi must first determine the amount of water available for diversion each day, then prioritize water rights when water supply is insufficient to satisfy all demands. WRi has developed specialized tools and models to support this process.

This paper was developed through a collaboration between WRi and Utah State University to produce a report …

You Are Perfect, Ashley Davis

International Journal of Servant-Leadership

Poem by Ashley Davis

Aged 539 Graduate Internship Report- Bear Creek High School Agriculture Department, Fatima E. Castellanos

Agricultural Education: Graduate Internship Reports

This report provides an evaluation of the Bear Creek High School Agriculture Program. The analysis highlights both program strengths and areas requiring further development, including SAE participation, pathway coherence, and student retention. Overall, the findings demonstrate that intentional planning and strong community partnerships contribute significantly to the program’s effectiveness and continued growth.

The Effectiveness Of A Chronic Care Management Program On Hospitalization Rates And Quality Of Life In Chronic Kidney Disease Patients, Sophie Burris

Doctoral Projects

Chronic Kidney Disease (CKD) is a progressive condition that distinctively affects underserved rural communities due to limited access to healthcare, provider shortages, and transportation barriers. Chronic Care Management (CCM) has emerged as a patient-centered, initiative-taking approach that emphasizes care coordination and self-management support. The purpose of this doctoral project was to evaluate the impact of implementing a CCM program in Caucasian females over the age of 40 with CKD residing in an underserved rural community post hospitalization. The Chronic Care Model (CCM) is the framework that guides the doctoral project which compared outcomes in patients enrolled in a CCM program …