Open Access. Powered by Scholars. Published by Universities.®

Digital Commons Network™

Open Access. Powered by Scholars. Published by Universities.®

2020

Discipline
Institution
Keyword
Publication
Publication Type
File Type

Articles 10021 - 10050 of 32267

Full-Text Articles in Entire DC Network

Optimal Directional Overcurrent Relay Coordination Using Artificial Immune Algorithm., A. Hatata, Sahar Kaddah, H. Abdraboh, M. Frahat Jul 2020

Optimal Directional Overcurrent Relay Coordination Using Artificial Immune Algorithm., A. Hatata, Sahar Kaddah, H. Abdraboh, M. Frahat

Mansoura Engineering Journal

High-penetration renewable energy-based generators in distribution systems cause a number of benefits and challenges for power system operators. The distribution system protection has traditionally been designed assuming the system to be radial. After connecting distributed generators (DG), part of the system may no longer be radial, which means that the coordination might not hold. The objective of protective relay coordination in an interconnected power system is to achieve selectivity without sacrificing sensitivity and fast fault clearance time. In this paper a novel method based on clonal selection algorithm of artificial immune system (AIS) is proposed for optimal coordination of overcurrent …

Go to article

Board Of Directors Meeting Minutes (July 13, 2020, Dmacc Jul 2020

Board Of Directors Meeting Minutes (July 13, 2020, Dmacc

Board of Directors Meeting Minutes

This file contains the minutes from the Des Moines Area Community College Board meeting held on July 13, 2020.

Go to article

Soil-Test Biological Activity With The Flush Of Co2: Viii. Soil Type And Management Diversity, Alan J. Franzluebbers, Mary R. Pershing Jul 2020

Soil-Test Biological Activity With The Flush Of Co2: Viii. Soil Type And Management Diversity, Alan J. Franzluebbers, Mary R. Pershing

United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications

Soil-test biological activity (STBA) is a key indicator describing the functions of soil to catabolize organic amendments, promote soil organic C sequestration, and cycle nutrients. We explored how climatic zone, land use, and physiographic region affected the relationship of STBA with several soil fertility properties and processes. Soils from Georgia, North Carolina, Pennsylvania, and Virginia (wet climate) were Aquults, Fluvents, Udalfs, Udepts, and Udults and soils from Nebraska and Oklahoma (dry climate) were Udolls and Ustolls. Annual cropland and perennial pasture were the land uses. The Prairie region had silt loam and silty clay loams, the Ridge–Valley region had silt …

Go to article

Not Intelligent: Encoding Gender Bias, Cara Tenenbaum Jul 2020

Not Intelligent: Encoding Gender Bias, Cara Tenenbaum

Minnesota Journal of Law, Science & Technology

No abstract provided.

Go to article

Application Of Deterministic Lateral Displacement In Biological Cell Separation., Asmaa Khater, Mohamed Sabry, Hossam Abdelmeguid Jul 2020

Application Of Deterministic Lateral Displacement In Biological Cell Separation., Asmaa Khater, Mohamed Sabry, Hossam Abdelmeguid

Mansoura Engineering Journal

Separation of cells is a crucial operation in most of microbiology tests. It is usually preformed using large sized devices (few tens of cm). In this work, cell separation using a microfluidic device based on Deterministic Lateral Displacement (DLD) is considered. DLD is a promising technique having many advantages, including in particular the fact that it can never be clogged. The device is composed of a micro-channel containing an array of obstacles (also called posts) adequately arranged such as to separate cells based on their size. Distances between posts are much larger than separation size, also called critical size, to …

Go to article

Collaboration In The Technical Communication Classroom: Negotiating Team Contracts In A Pwi, Alyssa Herman Jul 2020

Collaboration In The Technical Communication Classroom: Negotiating Team Contracts In A Pwi, Alyssa Herman

Theses and Dissertations

As TPC teacher-scholars, we must acknowledge the overwhelming Whiteness of our field and the racism, ableism, and sexism inherent in our institutions. We must actively work toward inclusivity and socially just collaborations in our classrooms by encouraging dominant-identified students to confront their privileges and implicit biases in order to better engage with historically marginalized students. With that said, this thesis examines how teacher-scholars might take up a cultural-rhetorical approach to teaching TPC and how we might negotiate team contracts in PWIs. Firmly situated within the social justice turn, Herman draws from both feminist disability theory and critical race theory to …

Go to article

Synthesis And Characterization Of Free-Stand Graphene/Silver Nanowire/Graphene Nano Composite As Transparent Conductive Film With Enhanced Stiffness, Chuanrui Guo, Yanxiao Li, Yanping Zhu, Chenglin Wu, Genda Chen Jul 2020

Synthesis And Characterization Of Free-Stand Graphene/Silver Nanowire/Graphene Nano Composite As Transparent Conductive Film With Enhanced Stiffness, Chuanrui Guo, Yanxiao Li, Yanping Zhu, Chenglin Wu, Genda Chen

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

As-grown graphene via chemical vapor deposition (CVD) has potential defects, cracks, and disordered grain boundaries induced by the synthesis and transfer process. Graphene/silver nanowire/graphene (Gr/AgNW/Gr) sandwich composite has been proposed to overcome these drawbacks significantly as the AgNW network can provide extra connections on graphene layers to enhance the stiffness and electrical conductivity. However, the existing substrate (polyethylene terephthalate (PET), glass, silicon, and so on) for composite production limits its application and mechanics behavior study. In this work, a vacuum annealing method is proposed and validated to synthesize the free-stand Gr/AgNW/Gr nanocomposite film on transmission electron microscopy (TEM) grids. AgNW …

Go to article

Assessment And Treatment Of Down Syndrome-Associated Arthritis: A Survey Of Pediatric Rheumatologists., Anna Nicek, Nasreen Talib, Daniel Lovell, Chelsey Smith, Mara L. Becker, Jordan T. Jones Jul 2020

Assessment And Treatment Of Down Syndrome-Associated Arthritis: A Survey Of Pediatric Rheumatologists., Anna Nicek, Nasreen Talib, Daniel Lovell, Chelsey Smith, Mara L. Becker, Jordan T. Jones

Manuscripts, Articles, Book Chapters and Other Papers

Background: Inflammatory arthritis in children with Down syndrome (DS) was first described in 1984 and is now termed Down syndrome-associated arthritis (DA). Studies have shown that DA is under-recognized with a 19-month average delay in diagnosis. Additionally, most patients present with polyarticular, rheumatoid factor (RF) and anti-nuclear antibody (ANA) negative disease. Current therapies for juvenile idiopathic arthritis (JIA) have been used, but appear to be poorly tolerated, more toxic and less effective in patients with DA. There is currently no standardized approach to the assessment or management of DA. The objective of this study was to describe provider perspectives toward …

Go to article

Impact Of Grazing On Vegetation Of Artemisia--Annuals Rangelands In Semi Desert Of Uzbekistan, Toshpulot F. Rajabov, Bakhtiyor K. Mardonov, Wolfgang Pittroff, F. N. Bobodjanov Jul 2020

Impact Of Grazing On Vegetation Of Artemisia--Annuals Rangelands In Semi Desert Of Uzbekistan, Toshpulot F. Rajabov, Bakhtiyor K. Mardonov, Wolfgang Pittroff, F. N. Bobodjanov

IGC Proceedings (1977-2023)

No abstract provided.

Go to article

The Study On Growth And Yield Changes Dynamic Laws Of Xinjiang Small Reed (Phragmites Australis), Abdurahman Metniyaz, Ainiwaer Aishan, Ataku K. Jul 2020

The Study On Growth And Yield Changes Dynamic Laws Of Xinjiang Small Reed (Phragmites Australis), Abdurahman Metniyaz, Ainiwaer Aishan, Ataku K.

IGC Proceedings (1977-2023)

No abstract provided.

Go to article

Grazing Impacts On Natural Steppe Community Of Eastern Mongolia, N. Narantuya Jul 2020

Grazing Impacts On Natural Steppe Community Of Eastern Mongolia, N. Narantuya

IGC Proceedings (1977-2023)

No abstract provided.

Go to article

Monitoring Of Production In The Steppes Pre‐Caspian Area And Open Wood (Non Desert!) And Forest Of Turan (Middle Asia), Yuri M. Miroshnichenko Jul 2020

Monitoring Of Production In The Steppes Pre‐Caspian Area And Open Wood (Non Desert!) And Forest Of Turan (Middle Asia), Yuri M. Miroshnichenko

IGC Proceedings (1977-2023)

No abstract provided.

Go to article

Analysis Identity Fusion And Psychosocial Development: How The Role Of Father, Mother And Son On Radicalization Within Family, Muhammad Luthfi Zuhdi, Muhamad Syauqillah Jul 2020

Analysis Identity Fusion And Psychosocial Development: How The Role Of Father, Mother And Son On Radicalization Within Family, Muhammad Luthfi Zuhdi, Muhamad Syauqillah

Journal of Strategic and Global Studies

One of crucial issues of radicalism lately is the involvement of family members in acts of terrorism. One of those interesting case is the case of Dita Oepriyanto’s family, the perpetrator of suicide bombing in one church in Surabaya, East Java. Family involvement in extremist acts and terrorism in Indonesia is not a new thing, the story of Dita Oeprianto is a historical cycle with different shifting actors. The story of the Leader of Darul Islam, RM. Kartosuwiryo who rebelled against the Indonesian republic accompanied by his wife and wife giving birth to children in the forest can be seen …

Go to article

Initial Investigation Of Seasonal Flammability Of Three Invasive East Texas Forest Understory Fuels Using Thermogravimetric Analysis, Mike Tiller, Brian P. Oswald, Alyx Frantzen, Warren Conway, Ikuai Hung Jul 2020

Initial Investigation Of Seasonal Flammability Of Three Invasive East Texas Forest Understory Fuels Using Thermogravimetric Analysis, Mike Tiller, Brian P. Oswald, Alyx Frantzen, Warren Conway, Ikuai Hung

Faculty Publications

East Texas forest understory fuels have become increasingly infested with invasive species which have contributed to greater hazardous fuel loads when combined with decades of fire exclusion and passive management. This study focused on estimating seasonal changes in flammability parameters of invasive yaupon (Ilex vomitoria), Chinese privet (Ligustrum sinense), and Chinese tallow (Triadica sebifera) using thermogravimetric analysis. Foliage and stem samples were collected in the dormant (February) and growing (August) seasons. Differential thermogravimetric (DTG) and proximate analyses were used to estimate species specific flammability parameters related to relative spontaneous ignition temperature (RSIT), gas-phase maximum …

Go to article

Multiple Mechanisms Of Flaxseed: Effectiveness In Inflammatory Bowel Disease, Amber Hanif Palla, Anwar Gilani, Samra Bashir, Najeeb Ur Rehman Jul 2020

Multiple Mechanisms Of Flaxseed: Effectiveness In Inflammatory Bowel Disease, Amber Hanif Palla, Anwar Gilani, Samra Bashir, Najeeb Ur Rehman

Department of Biological & Biomedical Sciences

Materials and methods: Aqueous-methanolic crude extracts of Flaxseed (Fs.Cr) and Flaxseed oil were tested against 6% acetic acid- (AA-) induced colitis in BALB/c mice. Microscopic damage parameters of the hematoxylin and eosin-stained and periodic acid-Schiff-alcian blue-stained sections of the colon were scored to be assessed. Possible antispasmodic mechanism was studied on isolated rabbit jejunum, while antibacterial activity was assessed in vitro for microbes implicated in IBD.
Results: In AA-induced colitis, Flaxseed oil was found to be more effective in reducing mortality and colonic ulcers than Fs.Cr at 500 mg/kg dose. Fs.Cr was more efficacious in increasing mucin content as compared …

Go to article

The Impact Of Social Interactions On Resettled Refugee Health, Shahjadi Zaman Jul 2020

The Impact Of Social Interactions On Resettled Refugee Health, Shahjadi Zaman

Political Science ETDs

The purpose of this thesis is to investigate the effects of social interactions and other factors on the self-reported physical and mental health of former refugees in their host country. Social relationships and interactions consist of different layers extending from individual personal relations, to social networks, to collective activities. Using data from a public opinion survey of newly resettled Bhutanese and Rohingya refugees in Michigan, I find that along with their economic situations, like employment and income, social integration is an important determinant of physical and mental health among resettled refugees. In particular, resettled refugees tend to have better health …

Go to article

Thrombospondin-1 Plays An Essential Role In Yes-Associated Protein Nuclear Translocation During The Early Phase Of Trypanosoma Cruzi Infection In Heart Endothelial Cells, Ashutosh Arun, Kayla J. Rayford, Ayorinde Cooley, Girish Rachakonda, Fernando Villalta, Siddharth Pratap, Maria F. Lima, Nader Sheibani, Pius N. Nde Jul 2020

Thrombospondin-1 Plays An Essential Role In Yes-Associated Protein Nuclear Translocation During The Early Phase Of Trypanosoma Cruzi Infection In Heart Endothelial Cells, Ashutosh Arun, Kayla J. Rayford, Ayorinde Cooley, Girish Rachakonda, Fernando Villalta, Siddharth Pratap, Maria F. Lima, Nader Sheibani, Pius N. Nde

Publications and Research

The protozoan parasite Trypanosoma cruzi is the causative agent of Chagas disease. This neglected tropical disease causes severe morbidity and mortality in endemic regions. About 30% of T. cruzi infected individuals will present with cardiac complications. Invasive trypomastigotes released from infected cells can be carried in the vascular endothelial system to infect neighboring and distant cells. During the process of cellular infection, the parasite induces host cells, to increase the levels of host thrombospondin-1 (TSP-1), to facilitate the process of infection. TSP-1 plays important roles in the functioning of vascular cells, including vascular endothelial cells with important implications in cardiovascular …

Go to article

Modeling And Simulation Of A Micro Pump And Its Performance., Mohamed Ibrahim, Mohamed Mansour, Mohamed Sabry Jul 2020

Modeling And Simulation Of A Micro Pump And Its Performance., Mohamed Ibrahim, Mohamed Mansour, Mohamed Sabry

Mansoura Engineering Journal

A transient 2D model of Valve-less micro-pump is constructed and used to study pump performance under different conditions through numerical simulation. Operating conditions, design parameters and fluid properties effect on the micro pump net flow rate have been investigated. The operating frequency was found to be a critical operating parameter. Therefore, the effect of other design and operating conditions on the resonance frequency (optimum operating frequency) has been studied. Also, general correlations for the micro pump dimensionless performance characteristics have been deduced with sufficient accuracy, within the studied range.

Go to article

Chicago School Of Professional Psychology, Margaret Smith Jul 2020

Chicago School Of Professional Psychology, Margaret Smith

Faculty and Staff Publications

The impact that the systemic invisibility of indigenous people in the national narrative has on addiction and the recovery process cannot be overstated. An exploration of the nature of how this invisibility has evolved and is currently maintained may facilitate a deeper understanding of the issues. Understanding the importance of indigenous storytelling and identity can help us more effectively meet those working toward recovery. Anchoring such work, inalienability of indigenous identity and the wisdom of indigenous storytelling will be examined as it relates to a recovery process.

Go to article

Novel Technique To Analyze The Effects Of Cognitive And Non-Cognitive Predictors On Students Course Withdrawal In College, Mohammed Ali Jul 2020

Novel Technique To Analyze The Effects Of Cognitive And Non-Cognitive Predictors On Students Course Withdrawal In College, Mohammed Ali

Technology Faculty Publications and Presentations

A novel technique was applied to a college student database to identify the cognitive and non-cognitive factors that predict college students’ course withdrawal behaviors. Predictors such as high school grade point average (HSGPA), standardized test scores (ACT–American College Test or SAT-Scholastic Aptitude Test), number of credit hours enrolled, and age were analyzed in this study. Data mining software algorithms were used to study information about undergraduate students at a west-south-central state university in the United States. The study results revealed that two factors, number of enrolled credit hours, and a student’s age have the most effect on collegiate course withdrawal …

Go to article

Comparative Study On The Effect Of Vegetable Based Cutting Fluid And Mineral Oil On Cutting Forces And Surface Roughness During Turning Operation., I. Elewa, Ahmed Galal, N. Saker, A. Abd El Tawab Jul 2020

Comparative Study On The Effect Of Vegetable Based Cutting Fluid And Mineral Oil On Cutting Forces And Surface Roughness During Turning Operation., I. Elewa, Ahmed Galal, N. Saker, A. Abd El Tawab

Mansoura Engineering Journal

Experimental Comparative study on the performances of both new developed environmental friendly vegetable based cutting fluids (sunflower, olive, coconut, linseed, and castor oils) and mineral oil-based cutting fluids during turning processes were reported in this work. Performances of cutting fluids were compared with respect to surface roughness and cutting forces during longitudinal turning of mild steel. Experimental results were also compared with results from dry cutting conditions. Different cutting conditions were used in this study. All vegetable based cutting fluids which were used in this comparison at cutting speed (955 rpm),depth of cut (1 mm) and feed rate (0.08 mm/rev) …

Go to article

Potential Tracking Of Cytotoxic Activities Of Mangrove Perepate (Sonneratia Alba) Root Extract As An Anticancer Candidate, Madyawati Latief, Nelson Nelson, Hilda Amanda, Indra Lasmana Tarigan, Siti Aisyah Jul 2020

Potential Tracking Of Cytotoxic Activities Of Mangrove Perepate (Sonneratia Alba) Root Extract As An Anticancer Candidate, Madyawati Latief, Nelson Nelson, Hilda Amanda, Indra Lasmana Tarigan, Siti Aisyah

Pharmacology and Clinical Pharmacy Research

Mangrove plants are one of the most extensive biodiversity in Jambi. Besides functioning as a coastal ecosystem protector, it also has any potential of its chemical content. The study of mangrove’s bioactive compound is important to generate a new therapeutic agent. This study aims to obtain chemical compounds that have cytotoxic activity, reveal the chemical formula and molecular structure of that active compound, and determine the cytotoxic activity level of active compound from perepat (Sonneratia alba) root extract. The extract was isolated and purified using Liquid Vacuum Chromatography, Graphitation Column Chromatography, and Thin Layer Chromatography. The isolate was characterized using …

Go to article

Formate Dehydrogenase (Fdh1) Localizes To Both Mitochondria And Chloroplast To Play A Role In Host And Nonhost Disease Resistance, Seonghee Lee, Ramu S. Vemanna, Sunhee Oh, Clemencia M. Rojas, Youngjae Oh, Amita Kaundal, Taegun Kwon, Hee-Kyung Lee, Muthappa Senthil-Kumar, Kirankumar S. Mysore Jul 2020

Formate Dehydrogenase (Fdh1) Localizes To Both Mitochondria And Chloroplast To Play A Role In Host And Nonhost Disease Resistance, Seonghee Lee, Ramu S. Vemanna, Sunhee Oh, Clemencia M. Rojas, Youngjae Oh, Amita Kaundal, Taegun Kwon, Hee-Kyung Lee, Muthappa Senthil-Kumar, Kirankumar S. Mysore

Plants, Soils, and Climate Faculty Publications

Nonhost disease resistance is the most common type of plant defense mechanism against potential pathogens. In this study, the metabolic enzyme formate dehydrogenase (FDH1) was identified to be involved in nonhost disease resistance in Nicotiana benthamiana and Arabidopsis thaliana. In Arabidopsis, AtFDH1 was highly upregulated in response to both host and nonhost bacterial pathogens. Arabidopsis Atfdh1 mutants were compromised in nonhost resistance, basal resistance, and gene-for-gene resistance. The expression patterns of salicylic acid (SA) and jasmonic acid (JA) marker genes after pathogen infections in Atfdh1 mutant indicated that SA is most likely involved in the FDH1-mediated plant defense response to …

Go to article

Aerobic Treatment Of Wastewater Using Hybrid System., Kamal Radwan, Moharram Fouad, Ahmed El-Say Jul 2020

Aerobic Treatment Of Wastewater Using Hybrid System., Kamal Radwan, Moharram Fouad, Ahmed El-Say

Mansoura Engineering Journal

A raw wastewater has been treated in wastewater treatment plant of Met Abo El-Kom city using attached growth systems. The treatment was accomplished using an Aerated Fixed Film Reactor (AFFR) with plastic plates or plastic plates with plastic mesh. The first reactor consisted of a number of biofilm carriers from fiber glass plates. Another modified (AFFAR) has been used by modifying the first one by attaching plastic mesh to enhance biofilm area. The system was run in the field for more than six months. Practically, the system consistsed of four stages as with bafflers at hydraulic loading rate (HLR) of …

Go to article

Cutaneous Nontuberculous Mycobacteria Infection After Cosmetic Tattooing: A Case Report, Jennifer Seyffert, Christopher Wong, Sadia Saeed, David Fitzmaurice Jul 2020

Cutaneous Nontuberculous Mycobacteria Infection After Cosmetic Tattooing: A Case Report, Jennifer Seyffert, Christopher Wong, Sadia Saeed, David Fitzmaurice

GME Publications

Nontuberculous (atypical) mycobacteria rarely cause skin and soft tissue infections. Tattooing with contaminated gray ink has been implicated in previously reported outbreaks. We report the case of a 39-year-old Hispanic man who presented with a refractory, pruritic, papular eruption within the distribution of his tattoo with punch biopsy demonstrating papillary dermal granulomatous and suppurative inflammation surrounding small collections of acid-fast bacilli with associated superficial and deep dermal perivascular lymphatic inflammation consistent with nontuberculous mycobacterial infection. Although uncommon, clinicians should consider nontuberculous mycobacterial infection in the differential diagnosis of refractory tattooassociated skin eruptions.

Go to article

Studies On The Expression Of Exogenous P5cs Gene In Transgenic Wheatgrasses, Fugui Mi, Guihua Wang, Xiuwen Huo, Shujun Dong Jul 2020

Studies On The Expression Of Exogenous P5cs Gene In Transgenic Wheatgrasses, Fugui Mi, Guihua Wang, Xiuwen Huo, Shujun Dong

IGC Proceedings (1977-2023)

No abstract provided.

Go to article

Effects Of Polyethylene Glycol (Peg)‐Simulated Drought Stress On Chamecytisus Palmensis Seed Germination, Zhongju Meng, Yong Gao Jul 2020

Effects Of Polyethylene Glycol (Peg)‐Simulated Drought Stress On Chamecytisus Palmensis Seed Germination, Zhongju Meng, Yong Gao

IGC Proceedings (1977-2023)

No abstract provided.

Go to article

Photosynthesis And Transpiration Of Chicory With Different Irrigation Treatments In Beijing, Lin Meng, Yingjun Zhang, Peichun Mao, Guofang Zhang Jul 2020

Photosynthesis And Transpiration Of Chicory With Different Irrigation Treatments In Beijing, Lin Meng, Yingjun Zhang, Peichun Mao, Guofang Zhang

IGC Proceedings (1977-2023)

No abstract provided.

Go to article

Study On The Water Use Of Chicory In Beijing Of China, Lin Meng, Yingjun Zhang, Peichun Mao, Guofang Zhang Jul 2020

Study On The Water Use Of Chicory In Beijing Of China, Lin Meng, Yingjun Zhang, Peichun Mao, Guofang Zhang

IGC Proceedings (1977-2023)

No abstract provided.

Go to article

Assessing Genetic Diversity Of Elymus Sibiricus (Poaceae: Triticeae) Populations From Qinghai‐Tibet Plateau By Issr Markers, Xiao Ma, Xinquan Zhang, Yonghong Zhou, Shiqie Bai Jul 2020

Assessing Genetic Diversity Of Elymus Sibiricus (Poaceae: Triticeae) Populations From Qinghai‐Tibet Plateau By Issr Markers, Xiao Ma, Xinquan Zhang, Yonghong Zhou, Shiqie Bai

IGC Proceedings (1977-2023)

No abstract provided.

Go to article

First Prev Next Last