Business Commons^™

Mechanical Properties Of Transition Metals Mn,Fe And Zn Doped Nio Nanoparticles, Ahmed Khalaf, Jamalat Al Boukhari, Lidea Zeidan

BAU Journal - Science and Technology

This work is a continuation of the characterization study of nickel oxide (NiO) nanoparticles (NPs) doped with transition metals (TM) like Mn, Fe and Zn, synthesized by the co-precipitation method. In this part, the effect of TM doping on the physical and mechanical properties of the NiO NPs is examined using a digital Vickers microhardness tester. The microhardness measurement results enable us to evaluate the important mechanical parameters including Vickers microhardness (HV), Young's modulus (E), yield strength (Y) and fracture toughness (KIC), responsible for practical industrial applications. It was found that all the properties given above strongly depend on the …

Empirical Study Of Knowledge Sharing Among Multinational Academicians, Shaidah Jusoh, Hejab Alfawareh

BAU Journal - Science and Technology

Knowledge sharing among faculty members may enhance the quality of teaching and research activities. Despite the fact that a number of research has been conducted, to the best of our knowledge, this is the first work that focus on multinational academicians. The aim of this empirical study is to investigate ways and factors which contribute to knowledge sharing in the context of multinational academicians at universities. We performed this study at the Information Technology faculty at one of universities in Saudi Arabia, as a case study. The faculty employed academicians from 10 different countries including Malaysia, Jordanian, Egypt, Saudi Arabia, …

Rotary Oscillation Of A Rigid Sphere In A Couple Stress Fluid, Tarek Shehadeh, Emad Ashmawy

BAU Journal - Science and Technology

In this paper, the rotary oscillation of a rigid sphere in an incompressible couple stress fluid is studied. The classical no slip boundary conditions are imposed on spherical boundary. Moreover, it is assumed that the couple stresses on the boundary of the sphere vanish. In the present study, the motion is generated by a sudden rotary oscillation of the rigid sphere about an axe passing through its center with a time-dependent angular velocity. Stokasian assumption is taken into consideration so that the non-linear terms are neglected in the equation of motion. The torque experienced by the couple stress fluid on …

On The Product Of Two Hypoexponential Random Variables, Therrar Kadri, Khaled Smaili, Seifedine Kadry, Ali El-Joubbeh

BAU Journal - Science and Technology

In this paper, we consider the product of two independent Hypoexponential distributions which has many applications in sciences and engineering. We find analytically the probability density function, the cumulative distribution function, moment generating function, the reliability function and hazard function, which was proved to be a linear combination of the K distribution. Finally, we will apply our results application in stochastic PERT Network.

Influence Of Nano-Ag Addition On Phase Formation And Excess Conductivity Analysis Of (Cu0.5tl0.5)-1223 Superconducting Phase, Nayera Mohammed, Seham Mahmoud, Weleed Abdeen, Marwa Hasebbo

BAU Journal - Science and Technology

Ceramic superconducting samples of type (nano-Ag)xCu0.5Tl0.5Ba2Ca2Cu3O10-δ, 0.0 ≤ x ≤ 3.0 wt.%, were successfully synthesized via single step solid-state reaction technique at 850 ºC and under ambient pressure. The samples were characterized by XRD and SEM. Obtained data revealed that the highest grains connectivity volume fraction was detected for the sample with x = 0.15 wt.%. The electrical properties of the prepared samples was examined using the electrical resistivity measurements, and the results proved that the highest superconducting transition temperature Tc was observed at x = 0.15 wt.%. Furthermore, the fluctuation conductivity Δσ(T), above Tc, was analyzed as a function …

Speed Bump Detection For Autonomous Vehicles Using Signal-Processing Techniques, Mohamad Darwiche, Wassim El-Hajj-Chehade

BAU Journal - Science and Technology

Autonomous vehicle (AV) is one of the emerging technologies that have far-reaching applications and implications in smart cities. Among the current challenges of the Smart City, Traffic management is of utmost importance. AV technologies can decrease transportation cost and can be used for efficient management and control of traffic flows. Traffic management strongly depends on the road surface condition. Abnormalities in the road, such as manholes and potholes, can cause accidents when not identified by the drivers. Furthermore, human-induced abnormalities, such as speed bumps, could also cause accidents. Detecting road abnormalities provide safety to human and vehicles. Current researches on …

A Review On The Use Of Vegetable Oil And Its Waste In Construction Applications, Ahmed Chamaa, Jamal Khatib, Adel Elkordi

BAU Journal - Science and Technology

The generation of waste materials is causing an impact on the environment due to many reasons including the effect on human health and decrease in landfill space. Of these waste materials is the waste cooking oil. There are large amounts of waste vegetable oil generated in the world and most of it is disposed of in the sewer system which can cause problems when treating wastewater. This paper is a review of literature on the use of vegetable oil (VO) and waste vegetable oil (WVO) as chemical admixtures in construction materials. The construction materials include mainly concrete and pavement. The …

Flexural Testing Of Various Composite-Beamsunder Quasi-Static Loads, Wael Slika, Adnan Masri, Oussama Baalbaki

BAU Journal - Science and Technology

The successful interaction between concrete and steel has inspired researchers to develop composite structural systems. Steel and concrete are utilized in various configurations to reduce construction costs and assure optimal load-response behavior. Since the response spectrum of the composite system varies from one system to another, adequate understanding of the composite system behavior is essential to guarantee a desired response. Several parameters affect the flexural capacity and failure mode of a composite section, such as geometry, material properties and bond. In practice, advanced material mechanics and numerical modeling can be utilized for simulating section response, however, variability in the material …

The Impact Of Design Changes In Construction Projects On The Cost Charged By Consultant Offices, Hadi Abou Chakra

BAU Journal - Science and Technology

In any construction project, a large number of modifications occur. The consequences of those modifications may result in additional costs due to the re-design of the project on each member of the project’s stakeholders. The financial impact of modifications during the construction phase of a project on consultant offices will be explored in this study. The aim of this study is to investigate the cost of the modifications and to examine the type of relationship between the time ‎spent on the design to accomplish the modifications and the amount of money earned in the return of the ‎extra work done. …

Siderite As A Weighting Material In Drilling Mud, Khaled Abou Alfa, Rami Harkouss, Jamal Khatib

BAU Journal - Science and Technology

Successful petroleum drilling largely depends on the type and quality of mud used in the process. There exist many types of muds, which differ in use and composition. Certain muds are composed of materials that can cause damage to the formation and the bottom-hole. This has resulted in the search for alternatives mud additives or addition of new materials to minimize the damage of the formation and enhance the stability of the wellbore. Several bodies of literature exist that research different sources of mud functions and additives, also their effect on the drilling process, the production zone and the environment. …

Airport Operations Delays And Possible Mitigation Through Electric Taxi Systems, David S. Cross Ph.D., Ed.D., Mark Scharf Ph.D., Kristine M. Kiernan Ph.D.

National Training Aircraft Symposium (NTAS)

Airline departures, not including private aircraft, increased from 25,143 in 2000 to 36,722 in 2017. More passengers necessitate more aircraft and more flights. With more aircraft at terminals, ground delays, based on current airport design, will continue to increase. Systems that allow for reduced aircraft time on the ground will improve airline economics and airport operations, in addition, will reduce airline delays both for departure and arrival at the gate. The purpose of this qualitative research study was to explore the efficacy, from ramp controllers’ perspectives, of equipping airliners with an electric taxi system. Prototype electric taxi systems have shown …

Under Pressure: Decision Making In Aircraft Maintenance And The Role Of Gender, Stephanie Douglas Ph.D., Bettina M. Mrusek Ph.D.

National Training Aircraft Symposium (NTAS)

In aircraft maintenance, leaders are under near-constant pressure to maintain airworthiness. Every minute an aircraft cannot fly due to maintenance represents financial waste. Decisions are therefore made in a relatively quick fashion. A leader evaluates the situation, identifies a course of action and then communicates this message to a team of technicians. However, gender influences regarding leaders’ decisions can influence team members’ perceptions of those decisions.

The study will measure decision making methods of leaders in aircraft maintenance and the perceptions of the technicians. It informs how gender influences decision making from both the leader and follower perspective. The expected …

Outsourcing Aircraft Maintenance And Related Safety Implications, Rajee Olaganathan Ph.D., Mark Miller Ed.D., Bettina M. Mrusek Ph.D.

National Training Aircraft Symposium (NTAS)

The U.S aviation industry faced severe financial losses after the 9/11 incident. The financial loss that occurred between 2000 and 2009 in the U.S. alone was $54 billion dollars. One of the operational strategies adopted by air carriers to overcome this hurdle was to outsource aircraft maintenance. Initially, this was accomplished in both home and off-shore locations. Unionized labor relations in the US ultimately forced these organizations to outsource to non-unionized labor sources in foreign countries. However, due to the upsurge in accidents and incidents that resulting from maintenance failures, the concept of outsourcing maintenance became a subject of debate …

Revisiting Cost Index - The Challenge Of Calculating A Precise Figure For Brazilian Airliners, Joaquim Pedro De Albuquerque D'Orey, Guilherme Amaral Da Silveira

National Training Aircraft Symposium (NTAS)

Within numerous possibilities, Cost Index (CI) is the tool that can provide economic speeds and deliver the lowest cost for a given flight. Cost Index is a highly volatile number that shifts its optimum value in several different circumstances. Through the analysis of the Brazilian regulation, operation and infrastructure reality, this paper reviews several influencers that can interfere with the optimum CI value for a specific flight, aiming for maximum precision and economy. A structured questionnaire was submitted to pilots from four of the biggest Brazilian airliners operating under part 121. The purpose of this questionnaire was to investigate whether …

Training And Experience Evaluations, Kate Stephenson, Megan Paul

Umbrella Summaries

What are training and experience evaluations?

Training and experience (T&E) include previous work and volunteer experience, education or other training, and credentials (Schneider, 1994). Evaluations of T&E are often included in employee selection procedures to screen and rate applicants based on information provided on resumes, applications, or other documents. These evaluations attempt to identify future successful employees by examining and applying systematic, judgment-based ratings to this information (McDaniel, Schmidt, & Hunter, 1988). The idea behind T&E evaluations is that past behavior is a good predictor of future behavior, and people with experience are more committed and motivated to perform well …

Student Brittney Huck To Receive Richard S. And Nelle Dabney Award, Lindenwood University

Archived Lindenwood Press Releases

No abstract provided.

Lindenwood Public Safety To Train On Responding To Mental Health Crises, Lindenwood University

Archived Lindenwood Press Releases

No abstract provided.

2020-March-04-Etsu Earns Nd Place In National Analytics Case Competition, University Marketing And Communication, East Tennessee State University

ETSU News

JOHNSON CITY (March 4, 2020) – East Tennessee State University students representing three disciplines – business, computer science and mathematics – showcased their talent and teamwork during the first-ever National Analytics Case Competition held at Elon University last month. Their performance earned 2^nd place out of 10 other participating schools.

The national competition, sponsored by HanesBrands, challenged graduate and undergraduate students with real world scenarios based on the Champion Brand to test their analytics skills. Members of the ETSU team are Aaron Barlow, a native of Knoxville studying computing with a concentration in information technology; Dawson Maddox of Chattanooga, …

2020-03-04 Message From The President, Morehead State University. Office Of The President.

Staff Congress Records

Message sent to the staff and faculty by the Office of the President on March 4, 2020.

Integrating Aviation Technology, Emergency Services, And Human Resilience: Considerations From Social Scientists, Chelsea A. Lenoble Ph.D., Joel M. Billings Ph.D., Allison A. Kwesell Ph.D., Ray H. Chang Ph.D.

National Training Aircraft Symposium (NTAS)

Unmanned aerial systems (UAS) have a range of applications within the field of disaster response. This presentation offers a novel framework of psychosocial considerations designed to advance UAS and disaster management integration. Social scientists highlight important challenges to the effective integration of three primary entities: UAS, the team of teams that responds to disasters, and populations affected by disasters.

The presentation adopts an emerging theoretical perspective on the intersection between UAS capabilities and disaster phases and extends it by bringing necessary attention to social science issues. Specifically, the framework outlines psychosocial considerations and areas of improvement for preparation (training), response …

The Universality Of Communication: Preparing The Next Generation Of Aviation Professionals, Patti J. Clark Ph.D., Doreen M. Mcgunagle Ph.D., Laura Zizka Ph.D.

National Training Aircraft Symposium (NTAS)

Current aviation college programs aim to prepare the next generation of aviation professionals to meet the needs of the ever-increasing global demand for air travel. Previous literature has identified gaps in competencies that employers noted in young graduates. This study attempts to narrow that gap by focusing on the curriculum of the top 20 aviation programs in the U.S. to compare the curriculum to the skills employers cited to assess whether the courses offered in the current programs reflect the actual needs of the aviation workplace. From a survey of Aerospace and Defense (A&D) employers, ten skills were cited: Team …

The Impact Of An International Aviation Leadership Development Program On Organizational Effectiveness, Stephanie Douglas Ph.D., Daisha M. Merritt Ph.D., Robin Roberts D.Mgt.

National Training Aircraft Symposium (NTAS)

Leadership development is critical for organizational progress. Leaders who are strong in operations and talent management maximization are a strength to organizational effectiveness (Andenoro et al., 2015). An organization's leadership performance can be a differentiator in competitive advantages for the firm and used to leverage employee productivity (Gentry et al., 2014; Kark, 2011, Van Velsor et al., 2010). There is an urge for more of an emphasis on developing systemic leadership, observing the importance of looking at not only development of the individual leader but also the collective leadership capacity among all employees to address the increasing complexities and needs …

What Therapists Can Do To Strengthen The Impact Of Utah Girls And Women, Susan R. Madsen

Marketing and Strategy Faculty Publications

This idea sheet is based on a 2020 gathering of 25 therapists and other mental health practitioners. As society becomes more aware of how mental health impacts overall wellbeing, therapists will play an increasingly influential role, not only to their clients, but in the broader community as well.

2020-March-03-Women On Wednesdays, University Marketing And Communication, East Tennessee State University

ETSU News

JOHNSON CITY (March 3, 2020) – Historically, zines were often used to circumnavigate conventional methods of publishing in an effort to disrupt its capitalist and exclusive structures.  These self-published works have also been used by marginalized groups as a platform to foster their voices through art.

Sage Perrott of East Tennessee State University’s Department of Art and Design will discuss the use of zines in her own personal research and teaching in “Zines! Zines! Zines!” on Wednesday, March 11, at noon in the Reece Museum.  This free public talk is part of the “Women on Wednesdays” lecture series sponsored by …

Supply Chain Management Programs Featured Among Best In The Country, Lindenwood University

Archived Lindenwood Press Releases

No abstract provided.

Lindenwood Mba Ranked Among Best For Small Business, Lindenwood University

Archived Lindenwood Press Releases

No abstract provided.

2020-March-03-Three Pharmacy Students Named Ambrose Scholars, Bill Gatton College Of Pharmacy, East Tennessee State University, University Marketing And Communication, East Tennessee State University

ETSU News

JOHNSON CITY (March 3, 2020)  Three students at East Tennessee State University Bill Gatton College of Pharmacy have been accepted into the prestigious Paul Ambrose Scholars Program, which prepares public health and clinical health professions students to promote change and be leaders in addressing population health challenges at the national and community level. 

The students include third years Rebecca Maloney, Dowelltown; Chandler Parris, Canton, North Carolina; and Nicholas Shields, Granite Falls, North Carolina. They were selected out of 40 students from health profession schools across the United States and will travel to San Antonio, Texas, in March for the programs …

2020-March-03-Caduceus Award Winners, University Marketing And Communication, East Tennessee State University

ETSU News

Each year, a designated committee at Quillen College of Medicine hosts the Caduceus Awards to recognize attendings, residents, faculty, and staff members who consistently go above and beyond in medical education. Nominations are made my students spanning all four years and the final votes are held by the entire student body.

Typically, an event is held in celebrate the winners. However, due to the COVID-19 outbreak, the 2020 banquet was cancelled.

“While the past several weeks have been challenging, we are thankful for the many ways we have seen our Quillen community come together to support, encourage, and serve both …

2020-March-03-College Of Nursing Named Among Top Most Affordable Online Dnp Programs, University Marketing And Communication, East Tennessee State University

ETSU News

JOHNSON CITY (March 3, 2020) – East Tennessee State University’s College of Nursing was listed 10^th among the most affordable online Doctor of Nursing Practice (DNP) programs in the country, according to a new ranking by BestHealthDegrees.com.

ETSU’s DNP program is a doctoral degree focused on rural clinical practice in primary care settings. The program prepares advanced practice nurses and executive nurse leaders to assess and evaluate evidence from research and translate or use the findings to affect practice change and enhance and promote quality of care.

The program is offered in an online/blended format in which students complete …

2020-March-03-Culp Center Grand Reopening, University Marketing And Communication, East Tennessee State University

ETSU News

JOHNSON CITY (March 3, 2020) – Visitors to the D.P. Culp Student Center at East Tennessee State University are in for a surprise. Following nearly two years of major renovations, the “living room” of campus has gained square footage, amenities, food options, meeting and lounge space, and a more modern look.

A special grand reopening celebration is underway to welcome students, alumni and the community back to the Culp Center.

The public is invited to several grand reopening events on Thursday, March 5, culminating with the Ribbon Cutting Ceremony and Coming Home Celebration at 2 p.m.

The ETSU Bookstore will …