Digital Commons Network^™

Effect Of Additional Water Or Superplasticizer On Key Characteristics Of Cement Paste Made With Superabsorbent Polymer And Other Shrinkage Mitigating Materials, Kamran Aghaee, Ricarda Sposito, Karl Christian Thienel, Kamal Khayat

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

The use of superabsorbent polymer (SAP) coupled with expansive agent (EA) or shrinkage-reducing admixture (SRA) can effectively reduce shrinkage of cement-based materials. However, SAP particles at high contents can adversely affect rheological and mechanical properties. Securing proper workability can be accomplished by additional water or adjusting the superplasticizer (SP) demand. There is an uncertainty about the efficiency of these approaches to workability compensation. This study evaluates the effect of additional water or SP on key properties of cement paste made with SAP and relatively high content of EA or SRA. Macro and micro mechanisms underlying the effect of combined shrinkage …

Homogeneous Flow Performance Of Steel-Fiber Reinforced Self-Consolidating Concrete For Repair Application: A Biphasic Approach, Naimeh Nouri, Masoud Hosseinpoor, Ammar Yahia, Kamal Khayat

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

In this study, fiber-reinforced self-consolidating concrete (FR-SCC) was considered as a diphasic suspension of fiber and coarse aggregate (F-A ≥ 5 mm) skeleton in mortar suspension with solid particles finer than 5 mm. The coupled effect of the volumetric content of fibers, coarse aggregate particle-size distribution, and rheological properties of the mortar on the passing ability and dynamic stability of various FR-SCC mixtures was investigated. Nine high-strength and 10 conventional-strength FR-SCC mixtures for repair application were proportioned with water-to-binder ratios (W/B) of 0.35 and 0.42, respectively, and macro steel fibers of 0.1%–0.5% volumetric contents. The dosages of high-range water-reducer (HRWR) …

أثر استخدام تقنیة الاتصال عن بعد في المحاكمات الجزائیة على ضمانتي العلنیة والشفویة: دراسة مقارنة, الیازیة راشد السبوسي

Theses

Remote litigation is an application of modern technology that countries have established and added to the judicial system. Remote attendance appeared more at the time of the Corona pandemic, as the countries that had not previously used modern means in their judicial system have begun to advance it, and this is in contrast to the countries that used this system before the emergence of this pandemic. Among the pioneering countries in using remote communication technology is the UAE, where it started using this technology in 2017, that is three years before the pandemic, when the legislator enacted a special law. …

First-Principles Calculations On The Electronic Structure, Mechanical, Vibrational, And Thermal Properties Of The Ca₃Bin Antiperovskite Alloy, Reem Maher Mohamad

Theses

Antiperovskites are the counterparts of perovskites. They have diverse properties that make them physically rich and technologically relevant. In the recent years, the alkaline earth based antiperovskites, especially the ones with small semiconductor bandgap, have captured tremendous attention due to their properties which make them efficient to be used in optoelectronic and thermoelectric applications. In this thesis, we are shading light on the alkaline antiperovskite ����₃������ due to its narrow bandgap. Thus, it can be considered as a promising candidate for thermoelectric and optoelectronic applications. Specifically, it is used to harvest waste thermal energy into electricity at low …

Heat Transfer In Mini-Channel Heat Exchanger With Smooth And Pin-Fins Surfaces, Mohammed Molham Daadoua

Theses

This research aims to investigate heat transfer of single-phase and two-phase fluids in mini-channel heat exchanger with smooth and pin-fins surfaces. The main goal of the study is to develop a high-performance heat exchanger for thermal management in various processing applications. This research is carried out using computational fluid dynamics (CFD) modeling and experimentations. The proposed method is to use enhanced structured pin-fins surfaces in a mini-channel heat exchanger to improve heat transfer. The pin-fin microchannel heat exchanger is investigated using a CFD method with single-phase fluid (water, air). The experimental investigations are conducted using single-phase and two-phase fluid involving …

The Impact Of School-Based Intervention For Overweight And Obese 9-13-Year-Olds On Anthropometry, Nutrition Knowledge, Attitudes, Selfefficacy And Dietary Behaviors, Sara Zuarub

Dissertations

Childhood obesity has emerged as a significant public health concern in the United Arab Emirates (UAE). The study evaluated the effects of school-based nutrition education on knowledge, attitude, dietary practices, self-efficacy, and anthropometric measurements of overweight and obese school children aged 9-13 years. Additionally, the parents' perceptions on factors contributing to childhood obesity were examined. A 6-month intervention program based on Social Cognitive Theory (SCT) was undertaken by children from 36 public schools located in Dubai and Sharjah emirates, UAE. The overweight/obese school children (n = 403) were classified into three categories, including two intervention groups (1 and 2) and …

Is A Genetic Diathesis For Poor Nutrition Becoming More Crucial Due To The Uniformity Of Covid Social Stress?, M. Catherine Desoto

Faculty Publications

The important role of nutrition in proper neural functioning and mental health has seen wider acceptance, but is still sadly under recognized given the existent body of research. This Special Issue was designed to unite authoritative information on this topic in one volume. This editorial provides an overview of the issue, and suggests that the combination of social isolation, lack of exercise, and remaining indoors that overtook industrialized societies during 2020 are specific factors expected to change the Gene × Environment interactions for anxiety and depression. Importantly, the recent environmental changes may make biological diatheses for nutritional deficiencies even more …

A Case Report Of Subacute Combined Degeneration Due To Nitrous Oxide-Induced Vitamin B12 Deficiency, Jorge Nadal Bosch, Javier Malcolm, Mario Moya, Michael Menowsky, Roberto A. Cruz

School of Medicine Publications

Nitrous oxide, also known as “laughing gas,” is a naturally occurring gas that is colorless, odorless, nonflammable, and nontoxic. It has been used as an inhalant anesthetic in the medical field for more than 150 years for dental and surgical procedures. Due to its wide availability and ability to cause euphoria, its recreational use is on the rise. We present a case of subacute combined degeneration (SCD) due to nitrous oxide-induced vitamin B12 deficiency. The patient presented with bilateral lower extremity paresthesia, weakness, and ataxic gait. The patient was found to have vitamin B12 deficiency. An MRI of the cervical …

Toxin Induced Parkinsonism And Hospitalization Related Adverse Outcome Mitigation For Parkinson’S Disease: A Comprehensive Review, Kenneth R. Dalton, Charles J. Kidd, Nawaz Hack

School of Medicine Publications

Patients with Parkinson’s disease admitted to the hospital have unique presentations. This unique subset of patients requires a multidisciplinary approach with a knowledge-based care team that can demonstrate awareness of complications specific to Parkinson’s disease to reduce critical care admissions, morbidity, and mortality. Early recognition of toxic exposures, medication withdrawals, or medication-induced symptoms can reduce morbidity and mortality. This review can assist in the critical assessment of new or exacerbating Parkinson’s disease symptoms.

Affare Fatto 2!, Susanna Nocchi, Silvia Bertoni

Books/Book Chapters

Taster. List of contents and first unit of a book for students of Italian as a foreign language.

Affare fatto! 2 is the second volume of a course aimed at learners of Italian who want to reach an intermediate level of competence in the language (B1/B1+ of the CEFR). The book offers material that can be used to attain competences in Italian for Business and for Professional Communication.

Affare fatto! 2 can be used as a textbook in a university course, as a book for professionals who work in Italy or with Italian partners, and as a textbook for those …

Interview No. 1751, Hernandez

Combined Interviews

Hernandez began working at Farah on April of 1972. Everyone at Farah left 2 moths after and she mentioned that those two months were enough for her to know what was right and what was wrong. Hernandez saw and experience many unjust things in those two months. She didn’t know how bad the situation inside the company was until she started to work there and realized that what the people were saying was right and even worse than what they described it as.

The worse part of the Farah company were the managers and their lack of experience in retail …

Interview No. 1753, Sanchez

Combined Interviews

Sanchez began working at Farah on April of 1969. Everyone at Farah hated their job and at first, she didn’t know why but 2 months after entering she realize what was right and what was wrong. As many others Farah workers on Paisano were tired of the unjust treatment and bad wage, Sanchez felt the exact same way in just a week of getting hired.

At first, she thought that it was so easy the hiring process and that Farah hired anyone who was willing to work. Soon after Sanchez realized that Farah hired many people, because of the amount …

Interview No. 1758, Saucido

Combined Interviews

Her last name is Saucido and she was working at Farah and she was part of the strike. Some of her duties at Farah was cutting and cleaning which was a very demanding job. She says that before the union there was no one that could help them and they thought that the union was going to make things better for them, but it wasn’t that way. When they were working, they will have supervisors that were making sure you did your job correctly, but sometimes they were extremely demanding and they will fire many people for either taking long …

Interview No. 1752, Valenzuela

Combined Interviews

Her last name is Valenzuela and she was born and raised in El Paso, Texas. After she graduated from high school, she got her first fulltime job at Farah. She was working in setting pockets, that involved a lot of hard work and many hours of work. The training that she was, was how to use the machine but like her many other people wants trained well. She says that many supervisors where over them all day long. She says that thru out the day they get 2 breaks from their job and they can rest on site and can …

Interview No. 1762, Leyva Bustamante

Combined Interviews

In April of 1970, Leyva started working at Farah. Everyone at Farah despised their job, and she didn't understand why at first, but after two months, she realized what was right and what was wrong. Leyva, like many other Farah employees on Paisano, was fed up with the unfair treatment and low pay after only a week on the job.

She initially assumed that the hiring process was simple and that Farah employed anyone who was willing to work. Soon after, Leyva recognized that Farah had employed a large number of individuals, and that they needed to balance the number …

Interview No. 1777, Tarango

Combined Interviews

Tarangos fathers’ parents were from Mexico and they passed away when she was very little. She never got to meet them. Her grandparent where from Leon Guanajuato, Mexico as well as his dad. Tarango mentioned that most of his family on her dads’ side were shoe makers back in Mexico, which was all he talked about to Tarango about. Sometimes he would talk about God or the Bible, but mostly about the shoe repair shop they had in Mexico. When Tarango’s dad came to the United States in the 1911 and he didn’t know English very well, but he managed …

Interview No. 1780, Arieta

Combined Interviews

Arieta started off her interview by mentioning that she had always wanted to study to be a nurse. Her husband didn’t believe in her because she was 30 when she began trying to get into nursing. She even mentioned that she felt old to be studying, but she really wanted to be somebody and have a life other than just being a housewife.

Arieta was tired of being at home and not knowing anything about the world. She ended up not being a nurse because at that time they started to ask for people to have a high school degree …

Interview No. 1779, Del Palacio

Combined Interviews

Del Palacio was a worker at Farah during the 1970’s. She first started to work for the company when the working conditions were not as bad. Soon things in the company starting to go South. Her quota became higher and higher every week and she was not able to meet the quota many times. Her boss didn’t care if it was literally impossible to complete that many tasks in a short period of time, he just wanted the work done no matter what.

Many of the workers at Farah during that time lived in Ciudad Juarez, Mexico. Those workers had …

Interview No. 1784, Hernandez

Combined Interviews

She was born in Alamogordo, New Mexico, May 12, 1929. She had a very big family and she got to meet her grandmother and she was living in Ciudad Juarez, so they moved from Alamogordo to Juarez to be with her. Her grandmother used to have a son that had an accident in a mine, and they got a lot of money for compensation, but the son of her uncle spent everything. She was only 6 years old, and her grandmother died when she was 10 years old, they weren’t living with her, but they lived close, so they visit …

Interview No. 1785, Telles

Combined Interviews

Audio Unintelligible

A Systematic Design Approach For Bulk Gel Treatments Based On Gel Volume-Concentration Ratio In Field Projects, Munqith Aldhaheri, Mingzhen Wei, Baojun Bai

Geosciences and Geological and Petroleum Engineering Faculty Research & Creative Works

Controlling excessive water production in mature oil fields has always been a desired objective of the oil and gas industry. This objective calls for planning of more effective water-control gel treatments with optimized designs to obtain more attractive outcomes. Unfortunately, planning such effective treatments remains a dilemma for reservoir engineers due to the lack of methodical design tools in the industry. This paper presents a novel systematic design approach for polyacrylamide-Based bulk gel treatments by classifying their field projects according to the gel volume-concentration ratio (VCR) into three design types. in terms of one another, the approach estimates either the …

Higher Research Productivity = More Pay? Gender Pay-For-Productivity Inequity Across Disciplines, Charissa Samaniego, Peggy Lindner, Maryam A. Kazmi, Bobbie A. Dirr, Dejun Tony Kong, Evonzia Jeff-Eke, Christiane Spitzmueller

Engineering Management and Systems Engineering Faculty Research & Creative Works

Gender pay equity for academics continues to be elusive. Adding to scholarship around structural barriers to gender equity in academic settings, we investigate the link between scholarly performance and compensation. We expect high research productivity to be differentially associated with compensation outcomes for men and women. Building on social role theory, we hypothesize that these relationships are contingent upon whether researchers are inside or outside of Science, Technology, Engineering, and Mathematics (STEM). Using the h-index, compensation, and researcher demographics for 3033 STEM and social and behavioral sciences (SBS) researchers from 17 R1 universities, we applied multilevel modeling techniques and showed …

Seismic Azimuthal Anisotropy Beneath A Fast Moving Ancient Continent: Constraints From Shear Wave Splitting Analysis In Australia, Kailun Ba, Stephen S. Gao, Jianguo Song, Kelly H. Liu

Geosciences and Geological and Petroleum Engineering Faculty Research & Creative Works

Seismic Azimuthal Anisotropy Beneath Australia is Investigated using Splitting of the Teleseismic PKS, SKKS, and SKS Phases to Delineate Asthenospheric Flow and Lithospheric Deformation Beneath One of the Oldest and Fast-Moving Continents on Earth. in Total 511 Pairs of High-Quality Splitting Parameters Were Observed at 116 Seismic Stations. Unlike Other Stable Continental Areas in Africa, East Asia, and North America, Where Spatially Consistent Splitting Parameters Dominate, the Fast Orientations and Splitting Times Observed in Australia Show a Complex Pattern, with a Slightly Smaller Than Normal Average Splitting Time of 0.85 ± 0.33 S. on the North Australian Craton, the Fast …

Coreflooding Evaluation Of Fiber-Assisted Recrosslinkable Preformed Particle Gel Using An Open Fracture Model, Shuda Zhao, Ali Al Brahim, Junchen Liu, Baojun Bai, Thomas P. Schuman

Geosciences and Geological and Petroleum Engineering Faculty Research & Creative Works

Recrosslinkable Preformed Particle Gels (RPPGs) Have Been Used to Treat the Problem of Void Space Conduits (VSC) and repair the "Short-Circuited" Waterflood in Alaska's West Sak Field. Field Results Showed a 23% Increase in Success Rates over Typical Preformed Particle Gel (PPG) Treatments. in This Paper, We Evaluated Whether Adding Fiber into RPPGs Can Increase the RPPG Plugging Efficiency and Thus Further Improve the Success Rate. We Designed Open Fracture Models to Represent vs.C and Investigated the Effect of Swelling Ratio (SR), Fracture Size, and Fiber Concentration on Gel Injection Pressure, Water Breakthrough Pressure, and Permeability Reduction. Results Show that …

Improving Automatic Melanoma Diagnosis Using Deep Learning-Based Segmentation Of Irregular Networks, Anand K. Nambisan, Akanksha Maurya, Norsang Lama, Thanh Phan, Gehana Patel, Keith Miller, Binita Lama, Jason Hagerty, Ronald Stanley, William V. Stoecker

Chemistry Faculty Research & Creative Works

Deep Learning Has Achieved Significant Success in Malignant Melanoma Diagnosis. These Diagnostic Models Are Undergoing a Transition into Clinical Use. However, with Melanoma Diagnostic Accuracy in the Range of Ninety Percent, a Significant Minority of Melanomas Are Missed by Deep Learning. Many of the Melanomas Missed Have Irregular Pigment Networks Visible using Dermoscopy. This Research Presents an Annotated Irregular Network Database and Develops a Classification Pipeline that Fuses Deep Learning Image-Level Results with Conventional Hand-Crafted Features from Irregular Pigment Networks. We Identified and Annotated 487 Unique Dermoscopic Melanoma Lesions from Images in the ISIC 2019 Dermoscopic Dataset to Create a …

A Systematic Design Approach For Bulk Gel Treatments Based On Gel Volume-Concentration Ratio In Field Projects, Munqith Aldhaheri, Mingzhen Wei, Baojun Bai

Geosciences and Geological and Petroleum Engineering Faculty Research & Creative Works

Controlling excessive water production in mature oil fields has always been a desired objective of the oil and gas industry. This objective calls for planning of more effective water-control gel treatments with optimized designs to obtain more attractive outcomes. Unfortunately, planning such effective treatments remains a dilemma for reservoir engineers due to the lack of methodical design tools in the industry. This paper presents a novel systematic design approach for polyacrylamide-based bulk gel treatments by classifying their field projects according to the gel volume-concentration ratio (VCR) into three design types. In terms of one another, the approach estimates either the …

Reconstruction Of Asphalt Pavements With Crumb Rubber Modified Asphalt Mixture In Cold Region: Material Characterization, Construction, And Performance, Dongzhao Jin, Dongdong Ge, Jiaqing Wang, Lance Malburg, Zhanping You

Michigan Tech Publications, Part 1

Dry-processed rubberized asphalt mixture has recently attracted a lot of attention as an alternative to conventional asphalt mixtures. Dry-processed rubberized asphalt pavement has improved the overall performance characteristics compared to the conventional asphalt road. The objective of this research is to demonstrate the reconstruction of rubberized asphalt pavement and evaluate the pavement performance of dry-processed rubberized asphalt mixture based on laboratory and field tests. The noise mitigation effect of dry-processed rubberized asphalt pavement was evaluated at the field construction sites. A prediction of pavement distresses and long-term performance was also conducted using mechanistic-empirical pavement design. In terms of experimental evaluation, …

Selectively Modified Lactose And N-Acetyllactosamine Analogs At Three Key Positions To Afford Effective Galectin-3 Ligands †, Shuay Abdullayev, Priyanka Dipak Kadav, Purnima Bandyopadhyay, Francisco Javier Medrano, Gabriel A. Rabinovich, Tarun K. Dam, Antonio Romero, René Roy

Michigan Tech Publications, Part 1

Galectins constitute a family of galactose-binding lectins overly expressed in the tumor microenvironment as well as in innate and adaptive immune cells, in inflammatory diseases. Lactose ((β-D-galactopyranosyl)-(1→4)-β-D-glucopyranose, Lac) and N-Acetyllactosamine (2-acetamido-2-deoxy-4-O-β-D-galactopyranosyl-D-glucopyranose, LacNAc) have been widely exploited as ligands for a wide range of galectins, sometimes with modest selectivity. Even though several chemical modifications at single positions of the sugar rings have been applied to these ligands, very few examples combined the simultaneous modifications at key positions known to increase both affinity and selectivity. We report herein combined modifications at the anomeric position, C-2, and O-3′ of each of the two …

Landslide Susceptibility Assessment Of A Part Of The Western Ghats (India) Employing The Ahp And F-Ahp Models And Comparison With Existing Susceptibility Maps, Sheela Bhuvanendran Bhagya, Anita Saji Sumi, Sankaran Balaji, Jean Homian Danumah, Romulus Costache, Ambujendran Rajaneesh, Ajayakumar Gokul, Chandini Padmanabhapanicker Chandrasenan, Renata Pacheco Quevedo, Alfred Johny, Kochappi Sathyan Sajinkumar, Sunil Saha, Rajendran Shobha Ajin, Pratheesh Chacko Mammen, Kamal Abdelrahman, Mohammed S. Fnais, Mohamed Abioui

Michigan Tech Publications, Part 1

Landslides are prevalent in the Western Ghats, and the incidences that happened in 2021 in the Koottickal area of the Kottayam district (Western Ghats) resulted in the loss of 10 lives. The objectives of this study are to assess the landslide susceptibility of the high-range local self-governments (LSGs) in the Kottayam district using the analytical hierarchy process (AHP) and fuzzy-AHP (F-AHP) models and to compare the performance of existing landslide susceptible maps. This area never witnessed any massive landslides of this dimension, which warrants the necessity of relooking into the existing landslide-susceptible models. For AHP and F-AHP modeling, ten conditioning …

A Catalog Of The Highest-Energy Cosmic Rays Recorded During Phase I Of Operation Of The Pierre Auger Observatory, A. Abdul Halim, P. Abreu, M. Aglietta, I. Allekotte, P. Allison, K. Almeida Cheminant, J. Chirinos, B. Fick, D. Nitz, I. Norwood, A. Puyleart, Et Al.

Michigan Tech Publications, Part 1

A catalog containing details of the highest-energy cosmic rays recorded through the detection of extensive air showers at the Pierre Auger Observatory is presented with the aim of opening the data to detailed examination. Descriptions of the 100 showers created by the highest-energy particles recorded between 2004 January 1 and 2020 December 31 are given for cosmic rays that have energies in the range 78-166 EeV. Details are also given on a further nine very energetic events that have been used in the calibration procedure adopted to determine the energy of each primary. A sky plot of the arrival directions …