Digital Commons Network^™

Effect The Natural Lighting In The Visual Comfort & Workers Satisfaction In Industrial Companies, Atheer Abdullah Mohammed

Journal of Economics and Administrative Sciences

Energy crisis and the requirements of health and feel good, all this renewed attention to the importance of natural lighting in all kinds of factories. Research problem was how to achieve the plant's own natural outlets visual comfort and satisfaction of workers in Companies, the industries of cotton and general al-fedaa. The research compuns address the impact of daylight to provide visual comfort in the factory. Indeed, the light must be treated very carefully, and natural lighting should be thinking from the perspective of the occupants of the plant and not wishing to view from the outside, but enjoy the …

The Influence Of The Industrial Buyer Behavior On Channels Of Distribution, Sanaa Hasan Helo

Journal of Economics and Administrative Sciences

This study deals with the influence of the industrial buyer behavior in Channels of distribution. It concentrates on one section of management levels in the company. Which is that of administrative managers The research problem is attempt to study and analysis the influence of industrial buyer behavior in channels of distribution.. The aiming at achieving a number of applicable goals depending on one major hypotheses I set a questionnaire in collecting the data and information relating to the study، which was distributed to sample of ( 30) department manager heads of section states company . In order to process the …

Oil Sector In Iraq (Reality And Prospects) Economic Analysis, Rabee Khalaf Saleh, Ihab Abbas Mohammed

Journal of Economics and Administrative Sciences

The oil sector in Iraq suffered from several difficulties led to the decline and reduction of oil production and the deterioration of refineries and transport pipeline status in addition to the weakness of the technology side and the prevalence of financial and administrative corruption besides the high costs of rehabilitation of the oil sector and also administrative and institutional problems still ongoing. In spite of Iraq's possession of vast oil wealth allows him to play an important role in the international energy market، he is still under the level. The production of oil doesn't suit with its enormous oil proven، …

Suitable Investment Environment For Business Sector In Iraq, Haloub Kazem Ma'la, Dalia Omar Nazmi

Journal of Economics and Administrative Sciences

Investment Bases directly and closely to an environment characterized by political, social and economic stability, and through a range of policies and institutions and economic laws that affect investor confidence and convince him directing investments to country without the other, where inter conditions and circumstances affecting the trends of capital and settle in, and political situation of the country and what is characterizedof stability or disorder as well as economic conditions that are affected by what is distinguishes the country from geographic and demographic characteristics are reflected on availability of production elements and country's infrastructure. Investment is one of important …

Evaluate The Performance Of The Agricultural Initiative In The Application Of The Agricultural Cooperative Bank, Ibrahim Muhammad Al-Jazrawi, Ibrahim Tariq Al-Azzawi

Journal of Economics and Administrative Sciences

This paper deals with the process of evaluating the performance of agricultural activity in Iraq and in particular the agricultural initiative launched by Prime Minister Nuri al-Maliki, during the period from 2008 - 2011. Where it is possible to use criteria or indicators that are fabricated by a statement on the calendar and the results of which may be by comparing planned performance with actual performance or the evaluation of the actual performance of successive periods selected. With an emphasis on the agricultural initiative is subject to the evaluation process by implementing and destinations specialized loan funds its own projects …

Assets Valuation Approaches & Its Reflects On Financial Reporting Quality, Bushra Fadhil Khudhair Al-Taie, Mustafa Younis Hamid

Journal of Economics and Administrative Sciences

The model of financial reporting in Iraq Based on a specific set of accounting objectives & concepts, which require the application of the historical cost valuation approach due to the nature of the objectives of financial reporting in Iraq, established under the unified accounting system , which focuses on serving the needs of the state because it the most influential user in setting accounting objectives and concepts, which stems mainly from the nature of the economic system in Iraq, which focuses on the public sector versus the private sector as well as the nature of the ownership business that focuses …

The Effects Of Timing And Visual Cues On Social Anxiety In Online Communication, Michael R. Knobeloch

All-Inclusive List of Electronic Theses and Dissertations

No abstract provided.

Factors Predicting Internalizing And Externalizing Psychopathology In A Sample Of Inner City Minority Women, Antonio Gonzalez

All-Inclusive List of Electronic Theses and Dissertations

No abstract provided.

Quantum Dot Enhanced Epitaxial Lift-Off Solar Cells, Mitchell F. Bennett

Theses

Embedded nanostructures such as quantum dots (QDs) have been studied for many applications in solar cells including enhanced mini-band absorption in intermediate-band solar cells and current matching in multi junction cells. The major drawbacks of using such techniques to decrease intrinsic solar cell loss mechanisms are twofold: first, it is difficult to maintain partially populated states using QDs due to a quick thermal extraction of carriers; second, QDs have a weak absorption which necessitates a near-perfect control of QD growth mechanisms to carefully ensure a balance between dot size and density. One avenue for improving absorption into QDs is to …

Group Selection And Key Management Strategies For Ciphertext-Policy Attribute-Based Encryption, Russell F. Martin

Theses

Ciphertext-Policy Attribute-Based Encryption (CPABE) was introduced by Bethencourt, Sahai, and Waters, as an improvement of Identity Based Encryption, allowing fine grained control of access to encrypted files by restricting access to only users whose attributes match that of the monotonic access tree of the encrypted file. Through these modifications, encrypted files can be placed securely on an unsecure server, without fear of malicious users being able to access the files, while allowing each user to have a unique key, reducing the vulnerabilites associated with sharing a key between multiple users.

However, due to the fact that CPABE was designed for …

Latinos In Massachusetts Selected Areas: Fall River, Phillip Granberry, Mayara Fontes

Gastón Institute Publications

This report provides a descriptive snapshot of selected economic, social, educational, and demographic indicators pertaining to Latinos in Fall River. It reflects a commitment by UMass Boston’s Mauricio Gastón Institute for Latino Community Development and Public Policy to provide periodic updates on the growing Latino population in Massachusetts.

The report on Fall River is part of a larger series that covers cities and towns with a population between 35,000 and 100,000 residents in the Commonwealth of Massachusetts with a significant number of Latinos. Fall River is considered a “Gateway City.” These cities are midsized urban centers that were once industrial …

Latinos In Massachusetts Selected Areas: New Bedford, Phillip Granberry, Mayara Fontes

Gastón Institute Publications

This report provides a descriptive snapshot of selected economic, social, educational, and demographic indicators pertaining to Latinos in New Bedford. It reflects a commitment by UMass Boston’s Mauricio Gastón Institute for Latino Community Development and Public Policy to provide periodic updates on the growing Latino population in Massachusetts. The report on New Bedford is part of a larger series that covers cities and towns with a population between 35,000 and 100,000 residents in the Commonwealth of Massachusetts with a significant Latino population. Each report analyzes data from the American Community Survey (ACS) conducted annually by the U.S. Census Bureau. We …

The Challenges Of Inclusion: Perceptions Of Superintendents, Principals, And Teachers In Mississippi Alternative Schools, Gary Lynn Tune

Dissertations

Alternative schools serve a population of students who have come in conflict with the codes of conduct of their home school district. Students with disabilities are subject to the same codes of conduct and occasionally are referred to alternative schools. These referrals constitute a change in placement mandating alternative schools to provide academic and educational services and supports commensurate to the home school. This includes educating students with disabilities in regular classes. This research sought to ascertain perceptions of superintendents, alternative school principals, and regular and special education teachers regarding how well alternative schools in Mississippi meet the challenges of …

An Analysis Of Teacher Perspectives On The Mississippi Alternative Assessment Of Extended Curriculum Framework, Greerlynn Myrtice Bezue-Tull

Dissertations

For more than a decade, federal legislation has been characterized by increasing standards of accountability for learning for all students. With the passage of No Child Left Behind Act of 2001, and the reauthorization of the Individuals With Disabilities Education Improvement Act (IDEIA) of 2004, schools are now accountable for special education students, even students with severe cognitive disabilities, in every aspect of education, including increased student achievement through access to the general education curriculum. Moreover, IDEIA (2004) mandated that students with severe cognitive disabilities participate in high-stakes accountability testing through individual state-developed alternate assessment measures.

This study investigated whether …

Manufacture And Investigation Of Organic Composite Polymer Based Films For Advanced Flexible Solar Cells, Raffie Arshak

Masters

Modern society has created big challenges in the area of sustainable supply of energy to satisfy the needs of growing population and to account for depleting fossil fuel resources. The Irish Government has set targets for the energy sector by 2020, with 33% of electricity to be generated from renewable sources. Organic photovoltaic devices offer several advantages over expensive silicon solar cells, including deposition of ultra-thin films by spin-coating, printing and spray-coating. This in turn provides for the exciting possibility to make lightweight, flexible solar cells for a broad range of existing and emerging applications for security, military and medicine. …

Madrigala Celebration, December 2013, Illinois State University

Madrigal Dinner Programs

Illinois State University

December 13th and 14th, 2013

Good Hair, Bad Hair, Dominican Hair, Haitian Hair, Katie E. Saunders

Master's Theses - Sociology and Anthropology

The goal of this research is to build on the literature concerning presentation practices of racial and national identity. The research examines presentation practices of race and national identity among Haitian heritage residents of the Dominican Republic (DR). Haitian immigrants have been an important part of the Dominican economy and the Dominican way of life since the beginning of the 20th century. Their descendants have to manage between Haitian and Dominican identities, while under the incredible pressure of anti-Haitian prejudices. The current literature concerning Dominican presentation practices asserts that normative presentation practices hide racial blackness. However, more recent literature questions …

Openline Newsletter, December 2013, Civil Service Council

OpenLine Newsletter

A monthly newsletter for Civil Service employees, Volume XXXVIII, Number 6, December 2013.

Degrees Of Freedom Of The Single Antenna Gaussian Wiretap Channel With A Helper Irrespective Of The Number Of Antennas At The Eavesdropper, Mohamed Nafea, Aylin Yener

Electrical and Computer Engineering Faculty Research & Creative Works

A Gaussian wiretap channel with a helper, i.e., a cooperative jammer, is considered and its secure degrees of freedom (s.d.o.f.) is computed. Previous work showed that the s.d.o.f. is upper bounded by 1 over 2 in this model when all parties are equipped with one antenna each. In this paper, the more challenging scenario where the eavesdropper has multiple antennas is tackled. Relying on structured signaling and cooperative jamming, specifically, by real interference alignment, it is shown that s.d.o.f. of 1 over 2 is achievable irrespective of the number of antennas the eavesdropper may have as long as the cooperative …

Southern Educator, Georgia Southern University

College of Education: News & Publications (2003-2023)

• Georgia Southern University College of Education Earns National Continuing Accreditation

A New Coulomb Gauge Based Electric Field Integral Equation Method, Xiaoyan Y.Z. Xiong, Li (Lijun) Jun Jiang, Wei E.I. Sha, Yat Hei Lo

Electrical and Computer Engineering Faculty Research & Creative Works

The electric field integral equation (EFIE) method is one of the most commonly-adopted computational electromagnetic methods. Its popularity stems from the efficient surface triangulation, excellent numerical precision, and the powerful capability of handling open and complex geometries. However, when the frequency tends to zero, the method-of-moment (MoM) solution of EFIE using the Rao-Wilton-Glisson (RWG) basis functions suffers from the low-frequency breakdown, where the contribution from the vector potential is extremely imbalanced with that from the scalar potential. As a result, the matrix representation of EFIE operator is highly ill-conditioned and cannot be inverted reliably and efficiently. © 2013 IEEE.

Enhanced A-Efie With Calderón Multiplicative Preconditioner, Sheng Sun, Lijun Jiang, Weng Cho Chew

Electrical and Computer Engineering Faculty Research & Creative Works

In this work, a Calderón multiplicative preconditioner (CMP) is proposed for the augmented electric field integral equation (A-EFIE) to improve the convergence. To avoid the imbalance between the vector potential and the scalar potential in the traditional EFIE, A-EFIE considers both the charge and the current as unknowns. After implementing the appropriate frequency scaling and the enforcement of charge neutrality, its formulation is also stable in the low-frequency regime and applicable for large-scale and complex problems. Instead of using other preconditioners, Calderón preconditioning converts the first kind integral equations into the second kind, thus improving the spectrum of the original …

Reducing Computational Workload Of Electromagnetic Scattered Fields From Electrically Large Quadratic Surface At High Frequency, Yu Mao Wu, Weng Cho Chew, Li (Lijun) Jun Jiang

Electrical and Computer Engineering Faculty Research & Creative Works

We use the numerical steepest descent path (NSDP) method to calculate the highly oscillatory physical optics (PO) scattered fields on electrically large quadratic surfaces. The resultant phase behaviors of PO integrands are elliptic and hyperbolic on parabolic and saddle quadratic patches, respectively. The proposed method relies on deforming the integration path of the PO integral into the NSDPs on the complex plane. Numerical results of the PO scattered fields on these smooth conducting quadratic surfaces illustrate that the proposed NSDP method gains high accuracy while the workload is frequency independent. © 2013 IEEE.

One Dimensional Multiple Periodic Composite Right/Left Handed (Crlh) Structures, Zi Long Ma, Li (Lijun) Jun Jiang, Shulabh Gupta, Wei E.I. Sha

Electrical and Computer Engineering Faculty Research & Creative Works

The wave-propagation characteristics in a one-dimensional multiple-periodic (MP) Composite right/left-handed (CRLH) structures is presented, where it is found that an increase in the number of unit cells in each supercell leads to new passbands and stopbands. To understand this phenomenon, the network parameters are employed for the theoretical analysis. Detailed dispersion characteristics and the relation between passbands and sub-periodicities are investigated using both analytical and full-wave results, and the reasons for their emergence is qualitatively discussed. Besides, its application to multi-band leaky-wave radiators is also suggested. © 2013 IEEE.

Finite Horizon Stochastic Optimal Control Of Uncertain Linear Networked Control System, Hao Xu, S. Jagannathan

Electrical and Computer Engineering Faculty Research & Creative Works

In this paper, finite horizon stochastic optimal control issue has been studied for linear networked control system (LNCS) in the presence of network imperfections such as network-induced delays and packet losses by using adaptive dynamic programming (ADP) approach. Due to an uncertainty in system dynamics resulting from network imperfections, the stochastic optimal control design uses a novel adaptive estimator (AE) to solve the optimal regulation of uncertain LNCS in a forward-in-time manner in contrast with backward-in-time Riccati equation-based optimal control with known system dynamics. Tuning law for unknown parameters of AE has been derived. Lyapunov theory is used to show …

Modeling Of Crosstalk Between Two Nonparallel Striplines On Adjacent Layers, Songping Wu, Jun Fan

Electrical and Computer Engineering Faculty Research & Creative Works

Crosstalk between two nonparallel strip lines on adjacent layers is investigated. An equivalent per unit length model for nonparallel lines is developed based on multiconductor transmission line theories and the Nelder-Mead optimization algorithm. The physical meaning of the equivalent model is explained for different test geometries. Empirical formulas, as functions of various geometric parameters, are derived based on multivariable curve fitting for a set of defined trace geometries. The validity of the empirical model is confirmed through comparison with different test examples. © 2013 IEEE.

Study Of Low-Rate Ook And Bpsk Transmission With Pn Sequence In Shallow Water Acoustic Communication, Jinxing Hao, Jintao Wang, Yahong Rosa Zheng

Electrical and Computer Engineering Faculty Research & Creative Works

This work shows some results of synchronization and channel estimation in simple underwater acoustic communication systems using On-off keying and binary phase-shift keying.

Optimization Of The Transition From Connector To Pcb Board, Shuai Jin, Jiangfan Zhang, Jun Fan

Electrical and Computer Engineering Faculty Research & Creative Works

A transition from vertically launched coaxial connector to routed trace on board is simulated and optimized to achieve very small reflections for precise TRL calibration. The mismatch of the discontinuities in the transition was reduced by controlling the via-impedance, introducing capacitive via-pads and applying diving boards. Each segment was optimized first, and then the whole cascaded structure was simulated to achieve the optimized smooth signal transition. © 2013 IEEE.

Solutions To Finite Horizon Cost Problems Using Actor-Critic Reinforcement Learning, Ivo Grondman, Hao Xu, Sarangapani Jagannathan, Robert Babuska

Electrical and Computer Engineering Faculty Research & Creative Works

Actor-critic reinforcement learning algorithms have shown to be a successful tool in learning the optimal control for a range of (repetitive) tasks on systems with (partially) unknown dynamics, which may or may not be nonlinear. Most of the reinforcement learning literature published up to this point only deals with modeling the task at hand as a Markov decision process with an infinite horizon cost function. In practice, however, it is sometimes desired to have a solution for the case where the cost function is defined over a finite horizon, which means that the optimal control problem will be time-varying and …

Novel Crack Sensor For Tsv-Based 3d Integrated Circuits: Design And Deployment Perspectives, Chun Zhang, Moongon Jung, Sung Kyu Lim, Yiyu Shi

Electrical and Computer Engineering Faculty Research & Creative Works

The CTE mismatch-induced stress in 3D ICs may initiate cracks from the interface between a TSV and its dielectric liner and propagates them on the silicon substrate surface. If a crack grows beyond the keep-out-zone (KOZ) of a TSV, it will jeopardize the reliability of the devices along its propagation path. While such threat can be eliminated by a sufficiently large KOZ, significant area overhead will be incurred. Given the low probability of crack occurrence, we argue that a much more economical approach is to keep KOZ small and filter out bad chips with cracks growing beyond the KOZ during …