Digital Commons Network^™

An Approach To The Mesostructure Sealing In Coal By Mine Water Clathrate, Haiyang Yi, Ze Li, Tao Yang, Zhuang Zhuo, Tingxiang Chu, Xianfeng Shi, Guang Xu

Mining Engineering Faculty Research & Creative Works

The sealing performance of coal mass is of significant importance for converting abandoned mines into geological repository. This study presents a novel approach to enhancing the sealing of the pore structure in coal seams, such a technique utilizes mined water as the primary substance and additive solution based crystalline. Sequent tests are implemented, including saturation test, ion chromatography test, permeability test and scanning electronic microscope observations. It was suggested that the produced crystalline decrease the porosity and permeability of the coal, with different crystal morphologies due to various ions of additive solutions. The produced rod-shaped crystals have the most remarkable …

Development And Characterization Of Pmma/Pvp Nanofiber-Loaded Bioactive Agents With Enhanced Breast Cancer Activity, Samar A. Salim, The British University In Egypt, Esraa Abdelazim, Marwa Abdel Aleem

Nanotechnology Research Centre

Breast cancer remains a leading cause of cancer-related mortality globally, driving the need for novel effective and less toxic therapeutic agents. This study explores the synthesis and characterization of bioactive compounds: 1-(4-methoxyphenyl)-N- (p-tolyl)methanimine (MPTI), N-(4-methylphenyl)benzamide (MPB), and 4-methyl-N-(p-tolyl)benzenesulfonamide (MTS), and their incorporation into a PMMA/PVP polymer matrix for potential anticancer applications. Morphological analysis of the PMMA/PVP-loaded agents via SEM depicts structural modifications in the PMMA/PVP nanofibrous matrix upon incorporation of the bioactive agents. The FTIR analysis of the synthesized compounds before and after loading into the 7PMMA:3PVP nanofibers reveals successful incorporation of MPTI, MPB, and MTS, with characteristic absorption bands …

Chromatography In Analysis And Quality Control Of Oil And Gas Products: Modern Approaches And Prospects, Muborak Akramovna Mirshomilova, Natalia Evgenievna Sheina, Lala Bekirova

Technical science and innovation

Chromatography plays a key role in the analysis and quality control of oil and gas products. Modern chromatographic methods, including gas and liquid chromatography, provide high accuracy, sensitivity and speed of analysis. They allow you to identify impurities, control the composition and compliance of products with standards. The article considers innovative approaches, such as multidimensional chromatography and the use of automated systems. Development prospects are discussed, including integration with AI and digital technologies, which opens up new opportunities to improve the efficiency of quality control in the oil and gas industry. This article considers the role of chromatographic methods in …

Impact Of Race On Admission, Clinical Outcomes, And Disposition In Cholangiocarcinoma: Insights From The National Inpatient Database, Tijin A. Mathew, Teresa M. Varghese, Nithya Krishnakumaran, George M. Varghese, Khwaja S. Haq, Akshita Khosla, Rojymon Jacob, Gina Vaccaro

School of Medicine Faculty Publications

BACKGROUND: Cholangiocarcinoma, malignancies arising from the intrahepatic and extrahepatic bile ducts, has increased in incidence in the United States over the past few decades. The reported incidence of cholangiocarcinomas is high, particularly in specific racial groups such as Asian and Pacific Islander patients. Race also significantly impacts disparities in healthcare utilization and clinical outcomes. Our study focused on the impact of race on admission, clinical outcomes, and disposition of cholangiocarcinoma. METHODS: We performed a retrospective analysis of cholangiocarcinoma-related hospital admissions, using the National Inpatient Sample for the year 2022. Patients were stratified according to race into the following groups: White, …

Adapting A Segmentation Foundation Model For Medical Image Classification, Pengfei Gu, Haoteng Tang, Islam A. Ebeid, Jose Angel Nunez, Fabian Vazquez Jr., Diego Adame

Computer Science Faculty Publications

Recent advancements in foundation models, such as the Segment Anything Model (SAM), have shown strong performance in various vision tasks, particularly image segmentation, due to their impressive zero-shot segmentation capabilities. However, effectively adapting such models for medical image classification is still a less explored topic. In this paper, we introduce a new framework to adapt SAM for medical image classification. First, we utilize the SAM image encoder as a feature extractor to capture segmentation-based features that convey important spatial and contextual details of the image, while freezing its weights to avoid unnecessary overhead during training. Next, we propose a novel …

Training Stages And Algorithms Of Multilayer Neural Networks For The Control System, Abdishukurov Maqsudovich Shavkat, Xuecheng Li

Technical science and innovation

The application of neural network technologies in control systems consists of several stages. In technological object control systems, each layer of the multilayer perceptron neural networks is represented using separate transfer functions. The result of synthesizing neural network technology into control systems allows for the rapid solution of many problems. Using neural network technology, it is possible to perform many calculations. Chain rules of neural networks are added this paper. Lots of training algorithms are compared to choose better to train network. Backpropagation neural networks is seen deeply in the last page. Problems of interpolation and extrapolation are solved. Algorithms …

Research Of Hereditarily Deformable Structures Under Seismic Impacts, Abdali Abdukarimov, Kazbek Nuratdinov

Technical science and innovation

This article examines the responses of a structure to both single-component and multi-component seismic impacts if they are generally described by three linear displacements and three rotations of the foundation relative to three orthogonal axes.

A mathematical apparatus has been created that allows developing statistical theories of seismic resistance for studying hereditarily deformable structures under random seismic impacts. Using impulse transition functions, having established the explicit form of the reaction of hereditarily deformable structures to an arbitrary form of random disturbance, it is possible to determine: the mathematical expectation and moments of the outgoing process; correlation functions; spectral densities, i.e. …

Fish Assemblages And Flow Regimes Upstream And Downstream Of Falcon Reservoir, Christopher J. Austin, Christopher Taylor

School of Integrative Biological & Chemical Sciences Faculty Publications

The lower Rio Grande is regulated by Falcon and Amistad dams, as well as series of smaller dams and rock weirs. Several native fish species that rely on a natural flow regime for habitat and spawning are imperiled in the region. We analyzed streamflow discharge above and below Falcon Reservoir to assess potential impacts of dam impoundment on the fishes and flow regime. Fish collections were conducted by seine, and river discharge data was provided by the International Boundaries and Water Commission. We found significant differences in fish assemblages above vs below Falcon Reservoir, and the flow regime was significantly …

The Jury Is In: A Comparison Of Perceptions Of Criminal Responsibility Evaluations Completed In Person Vs. Using Videoconferencing Technology, Thomas Ryan Eddy

Electronic Theses and Dissertations Archive

Perceived expert witness credibility is one of many factors that can impact juror decision making behaviors. In cases where the insanity defense has been raised, an expert witness assess the defendant, and may later testify about the defendant’s criminal responsibility (CR). The use of videoconferencing (VC) software to complete forensic mental health assessments has increased. Yet, research examining how jurors perceive the practice of a videoconferenced forensic mental health assessment remains unclear. The present study addressed the dearth in the literature by examining whether the source of assessment (in-person vs. VC) used to conduct a criminal responsibility evaluation impacted perceptions …

Feeling Underqualified And Out Of My League: Motivational And Affective Paths To Adaptive And Maladaptive Behaviors, Gamze Koseoglu, Sejin Keem, Aysegul Karaeminogullari, Berrin Erdogan, Talya N. Bauer, Eyup Burak Sancak

Business Faculty Publications and Presentations

This study explored the motivational and affective implications of perceived underqualification, specifically examining how it leads to increased levels of envy and help-seeking behaviors. We predicted that envy and help seeking behaviors would in turn indirectly relate to interpersonal deviance and task performance. We further hypothesized that two psychological resources, hope and self-efficacy, would moderate the relationships between perceived underqualification, envy, and help seeking. We tested our model with a sample of 149 medical school students who were undergoing a clinical rotation as well as their rotation coordinators at a university hospital located in northwestern Turkey. Data collection spanned four …

Plant-Based And Plant-Predominant Diets Among Healthcare Students: A Systematic Review, Raman Abbaspour, Sarah Weisbrodt, Samal Nauhria, Madeline Chan, Ali Kasim Rawji, Parham Bokaei Jazi, Sabyasachi Maity

School of Podiatric Medicine Publications

This systematic review explores the effects of vegetarian diets on the physical and mental well-being of health sciences students, a demographic known for high academic and psychological stress. We conducted a comprehensive search across major databases, adhering to Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, and identified 22 relevant studies. Our findings suggest that vegetarian diets are associated with lower incidences of chronic diseases such as coronary heart disease and obesity and promote better cardiovascular and metabolic health outcomes compared to non-vegetarian diets. Notably, vegetarian students could display lower systolic blood pressure and waist circumferences. Contrary to …

Synthesis And Characterization Of Temperature- And Ph-Responsive Pia-B-Pnipam@Fe3O4 Nanocomposites, Swati Kumari, Cayla Cook, Fatema Tarannum, Erick Salvador Vasquez-Guardado, Olufemi Ogunjimi, Keisha B. Walters

Chemical and Materials Engineering Faculty Publications

Stimuli-responsive polymers (SRPs) have garnered significant attention in recent decades due to their immense potential in biomedical and environmental applications. When these SRPs are grafted onto magnetic nanoparticles, they form multifunctional nanocomposites capable of various complex applications, such as targeted drug delivery, advanced separations, and magnetic resonance imaging. In this study, we employed a one-step hydrothermal method using 3-aminopropyltrimethoxysilane (APTES) to synthesize APTES-modified Fe₃O₄ nanoparticles (APTES@Fe₃O₄) featuring reactive terminal amine groups. Subsequently, via two consecutive surface-initiated atom transfer radical polymerizations (SI-ATRP), pH- and temperature-responsive polymer blocks were grown from the Fe₃O …

Transgenerational Imprints Of Sequential Herbivory Onsoybean Physiology And Fitness Traits, Insha Shaft, Rupesh Kariyat

Entomology and Plant Pathology Faculty Publications and Presentations

Sequential herbivory leads to a multitude of effects on plants, influencing processes like growth, physiology, defense, and fitness. However, whether the sequential herbivore attack can elicit any transgenerational consequences is poorly examined. In this study, we show evidence of transgenerational impacts of sequential herbivory by two chewing herbivores, fall armyworm (Spodopterafrugiperda , FAW) and soybean looper (Chrysodeixis includens , SL) on soybean (Glycine max ) progeny. Seeds from the parents subjected to different herbivore sequences (SL-FAW: initial attack by SL followed by FAW and FAW-SL: FAW followed by SL) were used for the transgenerational experiment. Our main hypothesis was that …

Healthcare Professionals’ Experiences Regarding Barriers And Facilitators Of The Hospital Readmissions Reduction Program, Abrin Jacobson

Walden Dissertations and Doctoral Studies

The Hospital Readmissions Reduction Program (HRRP), developed by the Centers for Medicare and Medicaid Services, aims to reduce avoidable readmissions through financial penalties. While HRRP has been associated with modest reductions in readmissions, it has also been linked to the problem of unintended outcomes such as increased mortality and inequitable penalties for hospitals serving socioeconomically disadvantaged populations. The literature presents a limited understanding of how hospital-based healthcare professionals (HHPs) implement HRRP. The purpose of this generic qualitative study was to explore how HHPs perceive the implementation of HRRP requirements and the barriers and facilitators that influence compliance. Grounded in Lipsky’s …

On The Hamilton-Waterloo Problem With A Single Factor Of 6-Cycles, Zazil Santizo Huerta, Melissa S. Keranen

Michigan Tech Publications

The uniform Hamilton-Waterloo Problem (HWP) asks for a resolvable (CM, CN)decomposition of Kv into α CM-factors and β CN-factors. We denote a solution to the uniform Hamilton-Waterloo problem by HWP(v, M, N, α, β). Our research concentrates on addressing some of the remaining unresolved cases, which pose a significant challenge to generalize. We place a particular emphasis on instances where the gcd(M, N) = {2, 3}, with a specific focus on the parameter M = 6. We introduce modifications to some known structures, and develop new approaches to resolving these outstanding challenges in the construction of uniform 2-factorizations. This innovative …

Reduction-Driven Mobilization Of Structural Fe In Clay Minerals With High Fe Content, Anke Neumann, Luiza Notini, W. A.P.Jeewantha Premaratne, Drew E. Latta, Michelle M. Scherer

Michigan Tech Publications

Clay minerals contain significant amounts of Fe in their alumosilicate framework, and this structural Fe can be reduced and re-oxidized, constituting a potentially renewable source of reduction equivalents in sedimentary environments. However, dissolution and/or clay mineral transformations during microbial Fe reduction contradict this concept. Here, we investigate how Fe reduction and re-oxidation affect the propensity of Fe to be released from the clay mineral structure and use selective sequential extractions in combination with Mössbauer spectroscopy. Negligible amounts of Fe were released in the sequential extraction of high Fe content clay minerals NAu-1 and NAu-2. Once aqueous Fe(II) was added as …

Us Natl. Bank Trust N.A. V. Felix

All Decisions

In a post-foreclosure holdover proceeding; the court denied the tenant's motion for pretrial discovery aimed at determining the landlord's status under the Good Cause Eviction Law (GCEL). The tenant sought to discover the landlord's real estate holdings to ascertain if GCEL protections applied. The court ruled that GCEL is inapplicable to holdover proceedings under RPAPL § 713 because such actions presume no landlord-tenant relationship exists; thus eliminating the tenant's "ample need" for disclosure. The landlord's cross-motion to amend the petition to reflect the omission of GCEL language was granted.

Mesenchymal Stem Cell-Derived Extracellular Vesicles: Seeking Into Cell-Free Therapies For Bone-Affected Lysosomal Storage Disorders, Andrés Felipe Leal, Harry Pachajoa, Shunji Tomatsu

Department of Pediatrics Faculty Papers

Lysosomal storage disorders (LSDs) constitute a group of monogenic systemic diseases resulting from deficiencies in specific lysosomal enzymes that cause the intralysosomal accumulation of non- or partially degraded substrates, leading to lysosomal dysfunction. In some cases of LSDs, the bone is more severely affected, thus producing skeletal manifestations in patients. Current therapies, such as enzyme replacement therapy (ERT) and gene therapy (GT), show limited efficacy in correcting skeletal abnormalities. Increasing evidence suggests that microenvironmental disturbances also contribute significantly to disease pathogenesis. Therefore, therapeutic strategies targeting lysosomal dysfunction and microenvironmental dysregulation are needed. Mesenchymal stem-cell-derived extracellular vesicles (MSC-EVs) are emerging as …

Algorithms For Combined Regular Synthesis Of Controller Parameters In Control Systems For Dynamic Objects, Khusan Zakirovich Igamberdiev, Latafat Abbas Gizi Gardashova, Yulduz Mukhtarkhodjayevna Abdurakhmanova, Uktam Farkhodovich Mamirov

Technical science and innovation

Nonlinear control system that includes m-dimensional input control signal and extended (n+s) - dimensional state vector, the last s components of which form a vector of unknown parameters θ satisfying a general difference equation is being considered. The quality criterion is determined by the loss function. The optimal control must satisfy the Bellman equation with respect to the optimal loss function. To be defined an approximate solution that preserves an active use of information. For this purpose, the system is linearized in accordance to the nominal trajectory. This problem is seen as incorrectly stated. The values of the preliminary data …

Development Of An Experimental Stand For The Study Of The Directions Of Movement And Velocity Of Air Flows In The Pneumatic Channel Of The Final Aspiration Of The Muz-16 Air Sieve Separator, Alexey Igorevich Ermakov, Alexey Alexandrovich Yazenkov, Sergey Anatolyevich Zelenko, Zulfiya Kakhramonovna Ergasheva

Technical science and innovation

The article describes the principle of operation of the MUZ-16 air-sieve separator produced by CJSC Borisov Plant Metalist, intended for preliminary, primary and secondary purification of grain and seeds of cereals, legumes, cereal crops and rapeseed. The results of a study of the directions of air flow in the MUZ-16 aspiration system and the efficiency of purifying buckwheat from impurities that differ in aerodynamic properties are presented. It has been established that the part of the MUZ-16 aspiration system, responsible for preliminary aspiration, works effectively, while the part of the system responsible for the final aspiration of the grain mixture …

Research On Geological Complications Occurring During Drilling Operations At Uzbekneftegaz Jsc Wells, Otabek Rajabovich Eshmurodov, Komilxodja Anvarxodjayevich Raximov, Shaxnoza Hikmatullayevna Mirsaatova, Tolib Olimovich Komilov, Sherali Halloqovich Umedov

Technical science and innovation

This article presents an analysis of maintaining wellbore stability, preventing pack-off formation, stuck pipe incidents, and drilling fluid losses. A technology aimed at ensuring successful and high-quality trouble-free well drilling is analyzed and recommended. Based on data obtained from the Surkhandarya Basin fields, many wells were not drilled to the designed depth. Geophysical data from studied fields indicate that pore pressure retained in clay formations causes wellbore instability. These data also help to identify zones prone to collapse; however, the direct measurement of pore pressure in such formations remains impossible. This research was primarily conducted in the Ustyurt region, one …

Technical And Economic Justification Of The New Design Of A Hydro-Accumulation Syste, Kurbon Salikhdjanovich Dzhuraev, Abdurasul Sayfutdinov, Elyor Doniyorovich Ismoilov

Technical science and innovation

The effective utilization of renewable energy sources such as solar and wind requires reliable and efficient energy storage systems due to their irregular and intermittent supply. This paper presents a novel hydro-accumulation system that significantly reduces energy consumption by integrating hydraulic ram pumps instead of traditional electrically powered pumps. The proposed system operates in cascade mode, where the kinetic energy of water is used multiple times through a sequence of hydraulic rams to pump water from a lower reservoir back to the upper one. Each stage of the system reuses the outflow water of the previous ram, achieving up to …

Introduction To Sociology: Socialization, Dr. Marcia Morrison Ph.D.

Open Educational Resources

Abstract

This paper offers a comprehensive examination of socialization and identity development through a comparative lens, focusing on American, Chinese, and Japanese cultures. It explores how distinct cultural values—individualism, loyalty, and cooperation—shape personal and collective identities from childhood through old age. Utilizing the life course perspective, the analysis considers how factors such as generation, socioeconomic status, race, and gender influence the trajectory of human development. The evolution of childhood is traced across historical and cultural contexts, highlighting shifting perceptions, the impact of industrialization on children's roles, and the persistent influence of class and ethnicity on access to education and well-being. …

Pan-Cancer Immune And Stromal Deconvolution Predicts Clinical Outcomes And Mutation Profiles, Bhavneet Bhinder, Sunantha Sethuraman, R Jay Mashl, Li Ding, Matthew H Bailey, Daniel Cui Zhou, Et Al.

2020-Current year OA Pubs

Traditional gene expression deconvolution methods assess a limited number of cell types, therefore do not capture the full complexity of the tumor microenvironment (TME). Here, we integrate nine deconvolution tools to assess 79 TME cell types in 10,592 tumors across 33 different cancer types, creating the most comprehensive analysis of the TME. In total, we found 41 patterns of immune infiltration and stroma profiles, identifying heterogeneous yet unique TME portraits for each cancer and several new findings. Our findings indicate that leukocytes play a major role in distinguishing various tumor types, and that a shared immune-rich TME cluster predicts better …

Communication Enhancement Strategies To Mitigate Functional Siloes In Head Start Programs, Maryom G. Mccloud

Walden Dissertations and Doctoral Studies

Inefficient internal communication between program and financial operations may negatively affect organizational performance and profitability. Some Head Start Program (HSP) leaders are concerned with communication failures because of the potential to negatively impact business productivity and profitability. Grounded in business process re-engineering, the purpose of this qualitative single case study was to explore strategies used by HSP leaders to increase communications between program and financial operations to increase profitability. The participants were four HSP leaders located in the Northern Region of the United States, who successfully implemented such strategies. Data were collected from semistructured interviews and company documents. Through thematic …

Neural Associations Between Fingerspelling, Print, And Signs: An Erp Priming Study With Deaf Readers, Brittany Lee, Sofia E. Ortega, Priscilla M. Martinez, Katherine J. Midgley, Phillip J. Holcomb, Karen Emmorey

Communication Sciences and Disorders Faculty Articles and Research

Fingerspelling is a leading predictor of reading ability for deaf people who use a signed language, but few neuroimaging studies have examined how it supports reading. We used event-related potentials to investigate how fingerspelled words prime printed words. Twenty-four skilled deaf adult readers completed a Go/No-Go task while viewing printed English word targets following related and unrelated primes in one of three conditions: printed English words, American Sign Language (ASL) signs, and fingerspelled words. N400 priming effects were strong across all three conditions. Early N400 effects were similar for printed word primes and fingerspelled word primes, suggesting shared orthographic representations. …

Comparative Analysis Of Gas And Mechanical Emissions From Electric Cars And Internal Combustion Engine Vehicles, Bakhtiyor Akhmatjonovich Kosimov

Technical science and innovation

This article analyzes the environmental impact of modern cars, in particular the amount of harmful substances emitted into the environment by electric cars and internal combustion engine cars, and provides scientific information on the substances that are released from cars in the form of not only gaseous emissions, but also dust particles generated by the mechanical wear of the brake system and tires. At the same time, this article also takes a scientific approach to the wear rates of brake pads and tires, their impact on environmental safety, and the level of dispersion of the microdust generated. Comparative tables have …

Improving The Methodology Of Complex Organization Of Rural Areas Based On Gis Technologies, Anvarjon Pardaboyev

Technical science and innovation

In the world, scientific research is being conducted aimed at improving the efficiency of complex organization of rural areas by utilizing modern geographic information systems (GIS) and remote sensing data. These studies focus on shaping the land allocated to these areas, organizing their activities, and forming the basis of cartographic information. Additionally, the use of modern GIS and remote sensing data has become widespread in the complex organization of rural areas in many countries. This method stands out for its effectiveness in organizing regions today.

In our republic, comprehensive measures are being implemented to consistently develop production through structural, institutional, …

Intelligent Control Of Reducing Energy Consumption And Water Loss In Smart Home Systems, Hakimjon Nasriddinovich Zaynidinov, Damira Farxodovna Hodjaeva, Dhananjay Singh

Technical science and innovation

The article presents an innovative approach to developing an intelligent control system for managing temperature and water level in smart home systems. The proposed method integrates an adaptive PID controller with fuzzy logic algorithms, enabling dynamic adjustment of the PID controller coefficients in real time. The mathematical model of the system incorporates heat balance equations, differential heat transfer relations, and nonlinear models of fluid loss. The adaptive control algorithms developed within the study allow the system to effectively respond to changes in input data.

A comprehensive analysis of the membership functions is conducted, along with adaptive tuning of the PID …

Research Into Technological Features In The Curring Process Of Multilayer Polymer Composite Parts, Umidbek Dilshod Ugli Kosimov, Jonibek Kobilovich Tokhirov, Andrey Dmitrievich Novikov

Technical science and innovation

This paper examines the main technologies and mechanisms used in the curing process of multilayer thick-walled parts of unmanned aerial vehicles (UAVs) made of polymer composite materials (PCM) based on epoxy resin. The study provides a detailed analysis of the technological features of the curing process, its kinetics, and the influence of heat transfer mechanisms on the final quality of molded components. It is emphasized that due to the low thermal conductivity of PCM, temperature inhomogeneity may occur during curing, leading to defects, internal stresses, and deterioration of the mechanical properties of the product. Therefore, ensuring uniform temperature distribution throughout …