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Articles 6031 - 6060 of 6604
Full-Text Articles in Entire DC Network
Information Technology In The Health Care Industry: A Primer, P. Southard, S. J. Hong, Keng Siau
Information Technology In The Health Care Industry: A Primer, P. Southard, S. J. Hong, Keng Siau
Research Collection School Of Computing and Information Systems
The paper discusses current and future applications of information technology within the healthcareindustry. It presents some broad strategies for approaching information technology investments and various tools available.
สัมภาษณ์ : รองศาสตราจารย์ สุรี ขาวเธียร ประธานกรรมการประชาพิจารณ์ โครงการกำจัดมูลฝอยของกรุงเทพมหานคร, เสถียร รุจิรวนิช, ชัยรัตน์ วงศ์กิจรุ่งเรือง
สัมภาษณ์ : รองศาสตราจารย์ สุรี ขาวเธียร ประธานกรรมการประชาพิจารณ์ โครงการกำจัดมูลฝอยของกรุงเทพมหานคร, เสถียร รุจิรวนิช, ชัยรัตน์ วงศ์กิจรุ่งเรือง
Thai Environment
No abstract provided.
สิ่งที่น่าสนใจบางประการของ "คำประกาศ" เกี่ยวกับวิทยาศาสตร์ จากการประชุมวิทยาศาสตร์ระดับโลก ปี 2542 (World Conference On Science), ทวีศักดิ์ ปิยะกาญจน์
สิ่งที่น่าสนใจบางประการของ "คำประกาศ" เกี่ยวกับวิทยาศาสตร์ จากการประชุมวิทยาศาสตร์ระดับโลก ปี 2542 (World Conference On Science), ทวีศักดิ์ ปิยะกาญจน์
Thai Environment
No abstract provided.
รัฐธรรมนูญกับการมีส่วนร่วมของประชาชนในการพิทักษ์สิ่งแวดล้อม, โกเมท ทองภิญโญชัย
รัฐธรรมนูญกับการมีส่วนร่วมของประชาชนในการพิทักษ์สิ่งแวดล้อม, โกเมท ทองภิญโญชัย
Thai Environment
No abstract provided.
น้ำดื่มกับสุขภาพ : การเลือกเครื่องกรองนาประจำบ้าน, ธีรพล คังคะเกตุ
น้ำดื่มกับสุขภาพ : การเลือกเครื่องกรองนาประจำบ้าน, ธีรพล คังคะเกตุ
Thai Environment
No abstract provided.
ร่างพระราชบัญญัติการจัดรูปที่ดินเพื่อพัฒนาเมือง, ชูขวัญ นิลศิริ
ร่างพระราชบัญญัติการจัดรูปที่ดินเพื่อพัฒนาเมือง, ชูขวัญ นิลศิริ
Thai Environment
No abstract provided.
อันตรายจากไดออกซิน, ขนิษฐา ทวีถาวรสวัสดิ์
Johann Friedrich Herbart, David E. Leary
Johann Friedrich Herbart, David E. Leary
Psychology Faculty Publications
German philosopher, psychologist, and educator. Herbart was among the first, early in the nineteenth century, to propose a mathematical psychology. Coming after Immanuel Kant's claim (in his Metaphysische Angangsgriinde der Naturwissenschaft [Metaphysical Foundation of Natural Science], Riga, 1786) that there could be no such discipline, this was a bold proposal. which kept alive the eighteenth-century quest for a science of psychology. Even though Herbart himself denied the possibility of an experimental psychology, and despite the fact that his own psychology (as a branch of applied metaphysics) was largely conjectural, his example inspired subsequent scholars to work toward a quantitative, experimental …
Unlv College Of Education Multicultural & Diversity Newsletter, Steve Mccafferty, John Filler, Nancy P. Gallavan, Le Ann Putney, Nancy Sileo, Kyle Higgins, Porter Troutman, Paul Meacham, Cyndi Giorgis, Aimee Govett, Jean Henry, Bill Pankratius, Lisa Bendixen, Joyce Nelson-Leaf
Unlv College Of Education Multicultural & Diversity Newsletter, Steve Mccafferty, John Filler, Nancy P. Gallavan, Le Ann Putney, Nancy Sileo, Kyle Higgins, Porter Troutman, Paul Meacham, Cyndi Giorgis, Aimee Govett, Jean Henry, Bill Pankratius, Lisa Bendixen, Joyce Nelson-Leaf
College of Education Multicultural & Diversity Newsletter
A newsletter discussing a variety of topics dealing with multicultural topics and diversity in education.
Beyond The Dipole Approximation: Angular-Distribution Effects In The 1s Photoemission From Small Molecules, Dennis W. Lindle, Oliver Hemmers, H. Wang, P. Focke, I. A. Sellin, J. D. Mills, J. A. Sheehy, P. W. Langhoff
Beyond The Dipole Approximation: Angular-Distribution Effects In The 1s Photoemission From Small Molecules, Dennis W. Lindle, Oliver Hemmers, H. Wang, P. Focke, I. A. Sellin, J. D. Mills, J. A. Sheehy, P. W. Langhoff
Environmental Studies Faculty Publications
Over the past two decades, the dipole approximation has facilitated a basic understanding of the photoionization process in atoms and molecules. Recent experiments on the 1s inner shells of small molecules at relatively low photon energies (⩽ 1000 eV) show strong nondipole effects. They are significant and measurable at energies close to threshold, in conflict with a common assumption that the dipole approximation is valid for photon energies below 1 keV.
Design Of A Fuzzy Logic Controller For Swing-Damped Transport Of An Overhead Crane Payload, Michael James Nalley
Design Of A Fuzzy Logic Controller For Swing-Damped Transport Of An Overhead Crane Payload, Michael James Nalley
UNLV Retrospective Theses & Dissertations
Transportation using overhead cranes can excite undesirable payload swinging. These oscillations have to be damped before other payload manipulation is done. A swing-damped motion profile based on the natural frequency of the payload is used to minimize swing excitation. In addition, a fuzzy logic controller is used to move the overhead crane along a desired path while ensuring that the payload is swing-free at the end of the motion. The control action is divided between displacement and swing controllers to simplify controller tuning for optimal performance. Examples, along with comparisons with a PD controller, are included, as well as related …
Permutation Polynomials And Systems Of Permutation Polynomials In Several Variables Over Finite Rings, Angela Marie Starr
Permutation Polynomials And Systems Of Permutation Polynomials In Several Variables Over Finite Rings, Angela Marie Starr
UNLV Retrospective Theses & Dissertations
This paper will present the historical development of theorems regarding permutation polynomials in several variables over finite fields. Single variable permutation polynomials will be discussed since they are so important to the discussions which will follow. Theorems involving permutation polynomials and systems of permutation polynomials will also be considered. It will be shown that many of the interesting results obtained for finite fields can be generalized to finite rings.
Experimental Investigation Of Natural Convection About Drift-Emplaced Waste Canisters, Qun Wang
Experimental Investigation Of Natural Convection About Drift-Emplaced Waste Canisters, Qun Wang
UNLV Retrospective Theses & Dissertations
Drift-emplaced waste canisters are under consideration for the long-term storage of high-level spent fuel in the proposed underground repository at Yucca Mountain. These canisters will be placed on pedestals above the floor of the drift and exchange heat with the wall of the drift with air circulating through the repository. To assess the requirements for repository energy management and the ventilation system, flow visualization and heat transfer experiments for natural convection were performed. The experiments used both the smoke generation and the dye injection techniques to obtain the natural convection patterns for 4.9 {dollar}\times{dollar} 10{dollar}\sp4{dollar} {dollar}\le{dollar} Ra{dollar}\sb{\rm d}{dollar} {dollar}\le{dollar} 1.6 …
An Augustinian Analysis Of The Comprehensive Test Ban Treaty, Jon Mcclendon White
An Augustinian Analysis Of The Comprehensive Test Ban Treaty, Jon Mcclendon White
UNLV Retrospective Theses & Dissertations
Applying the Christian principles of depraved human nature, expectation of detrimental behavior from irrational actors, and rational attempts to limit the destructiveness of war, Augustine would conclude that the declared nuclear weapons states have a moral obligation to prevent proliferation of nuclear weapons. Laws suitable to the needs of the times are the appropriate method for accomplishing this. The pending Comprehensive Test Ban Treaty (CTBT) is one such law. Because the CTBT bans all nuclear explosions and establishes an intrusive inspection scheme, it will have an impact on the U. S. Department of Energy (DoE). DoE should respond by participating …
Beliefs Of Teachers And Principals Regarding Iste's 2000 Technology Standards For All Teachers, Essington R Wade
Beliefs Of Teachers And Principals Regarding Iste's 2000 Technology Standards For All Teachers, Essington R Wade
UNLV Retrospective Theses & Dissertations
The purpose of this study was to ascertain if there were significant differences in the way teachers and principals articulated their beliefs about technology standards for all teachers. In comparing secondary principals to secondary teachers using the statistical instruments, it was found that the variables: secondary levels (middle and high) and positions (principal, English, math, science and social studies teachers) were not significantly different. In addition, the statistical analysis indicated that there were no significant interactions between secondary levels and educational positions. Examination of the mean values and the frequency distributions of teachers and principals revealed that the means of …
Scaffolding Literacy Knowledge Within A One -On -One Tutoring Situation: An Ethnographic Study, Diane Katherine Brantley
Scaffolding Literacy Knowledge Within A One -On -One Tutoring Situation: An Ethnographic Study, Diane Katherine Brantley
UNLV Retrospective Theses & Dissertations
The primary purpose of this study was to explore and describe the culture of tutoring to determine if America Reads Challenge (ARC) tutors were able to provide elementary school tutees with scaffolded literacy learning experiences. Three main educational theories formed the framework for this study: sociocultural theory of cognitive development, scaffolding, and activity theory. Relevant research related to the efficacy of tutoring programs also was included. The overarching research design was an ethnographic methodology that included the collection of video tape, followed up with informal interviews to substantiate the findings with the two tutoring dyads; Subsequently, the data was analyzed, …
Dance In The Contemporary American Musical Theater: What Has Become Of The Dream Ballet?, Phoebe Ellen Newsted
Dance In The Contemporary American Musical Theater: What Has Become Of The Dream Ballet?, Phoebe Ellen Newsted
UNLV Retrospective Theses & Dissertations
The dream ballet is defined. The discussion explains the inception, subsequent rise and eventual disappearance of the dream ballet. The research follows the development of the dream ballet and identifies its contributions to the American musical theater. The thesis specifically examines the amplification of the emotional realm of character and plot development, as elicited by the dream ballet; The study evaluates the void left today by the absence of the dream ballet in relation to an examination of the climate of contemporary American musical theater. The analysis explores the correlation between the decline of the dream ballet and the decline …
Pultrusion Of Commingled Thermoplastic Composite Materials, Vijay Anand Ananthakrishnan
Pultrusion Of Commingled Thermoplastic Composite Materials, Vijay Anand Ananthakrishnan
UNLV Retrospective Theses & Dissertations
The work involves the analysis and verification of the pultrusion process. The pultrusion machine at UNLV was improved by modifying the consolidation and the cooling system. A comparative study of the material properties of the pultrusion process and the compression molding were done with the theoretical material properties. This involved a series of compression molding experiments of the commingled material followed by the pultrusion process itself. The results were then confirmed by a series of mechanical tests of the material obtained as a result of the pultrusion and the compression molding processes in the Material Test System (MTS) machine. The …
Imaging The Mantle In Southwestern, Utah Using Geochemistry, And Geographic Information Systems, Reina Fern Downing
Imaging The Mantle In Southwestern, Utah Using Geochemistry, And Geographic Information Systems, Reina Fern Downing
UNLV Retrospective Theses & Dissertations
Basaltic volcanism is common in the transition zone from the Basin and Range to the Colorado Plateau. This study focuses on an 80 km long transect containing seven separate basalt fields spaced less than 20 km apart. The transect extends from eastern Nevada through northwestern Arizona and into southwestern Utah, across the crustal boundary defined as the transition zone; Geochemistry and geographic information systems (GIS) define the geometry and orientation of a mantle boundary trending approximately E-W, almost perpendicular to the crustal boundary. This study suggests that there is no genetic link between the mantle boundary and crustal boundary between …
Automated Mammographic Mass Shape Classification Using Wavelets And Neural Networks, Nithya Shanmugam
Automated Mammographic Mass Shape Classification Using Wavelets And Neural Networks, Nithya Shanmugam
UNLV Retrospective Theses & Dissertations
The objective of the thesis is to demonstrate the utility of wavelet transforms with artificial neural networks for the classification of mammographic mass shapes. A fully automated mammographic classification system has been developed to distinctly classify mass shapes as either round, which typically indicates the absence of breast cancer, or irregular, which typically indicates the presence of cancer. First, a wavelet transform was applied to the radial distance measure (RDM) of the mass shapes to obtain multiscale decomposition. The discrete wavelet transform and wavelet packet decompositions were investigated. The second step was the computation of scalar-energy features from the wavelet …
An Application Of Optimal Control Theory In Welfare Economics, Steven Ernest Scroggin
An Application Of Optimal Control Theory In Welfare Economics, Steven Ernest Scroggin
UNLV Retrospective Theses & Dissertations
We consider the maximization of a functional representing social welfare over continuous time. A social welfare functional (SWF) is an integral that models social welfare as a function of individual consumption, individual utility of consumption and the value of utility aggregated across individuals. A SWF may be subject to constraints in the form of differential or integral equations and inequalities, which represent the production possibilities of the economy. We solve the optimization problem by applying the Pontryagin maximum principle. We consider an autarky and a command economy. We explore the interaction of impatience and productivity in autarky and the implications …
Pre-Service Secondary Mathematics Teachers' Attitudes About The History Of Mathematics, Kelly Marie Sullivan
Pre-Service Secondary Mathematics Teachers' Attitudes About The History Of Mathematics, Kelly Marie Sullivan
UNLV Retrospective Theses & Dissertations
This study was conducted to show that using historical material to teach mathematical content to pre-service secondary mathematics teachers could improve their attitudes about incorporating the history of mathematics into the mathematics classroom. A historical module from the Mathematical Association of America was taught to an undergraduate class of pre-service secondary mathematics teachers. Their attitudes regarding the use of the history of mathematics in the mathematics classroom were then compared to the attitudes of students in another undergraduate class, taught by the same researcher, whose instruction did not incorporate history. Results from t-tests indicate that there was a positive change …
Acoustic Characteristics Of Fiberglass-Lined Circular Ducts, Luis A Villegas
Acoustic Characteristics Of Fiberglass-Lined Circular Ducts, Luis A Villegas
UNLV Retrospective Theses & Dissertations
Fiberglass lined circular ducts are circular ducts with an outer spiral metal shell. They are either dual-wall or single-wall. They have been acoustically treated and are intended to be used in heating, ventilation and air conditioning (HVAC) duct systems to reduce the amount of sound that is generated by the operation of the components of the system; To quantify the amount of the sound energy that can be attenuated by a given fiberglass lined circular duct, its acoustical performance has to be determined. Acoustical performance of lined ducts can be experimentally determined in an acoustical laboratory under controlled conditions. These …
On Speech Processing, Ying Yang
On Speech Processing, Ying Yang
UNLV Retrospective Theses & Dissertations
Speaking is one of the most important ways of communication between humans. Speech processing refers to the technology of speech signal transformations for more efficient storage and transmission, for enhanced intelligibility and ease of assimilation. According to the different purpose as above, technologies on speech signal processing falls into three main categories. They are speech coding, speech recognition and speech synthesis; This thesis shows the experience of our approaching in this area. It focused on analyzing the different characteristics of speech by using mathematical and statistical methods. A test based on lagl product of signals was taken for separating the …
An Analysis Of Interconnection Network Effects Of Dynamic Element Matching Digital-To-Analog Converters, Hui Fu
UNLV Retrospective Theses & Dissertations
Digital-to-Analog Converters (DACs) convert digital signals into analog signals and thereby provide the link from digital systems to the analog world. Many DAC architectures use matched components to convert signals. However, practical DACs contain mismatched circuit components that cause nonlinear errors in the DAC's analog output signal. Dynamic Element Matching (DEM) is a method that can eliminate or reduce the effects of mismatch errors. In this thesis, DEM algorithms applied to a specific DEM DAC architecture that use several interconnection networks, including the Barrel Shifting network, the Generalized-Cube network, the Omega network and the Indirect Binary n-cube network, are mathematically …
The Gamma Distribution As An Alternative To The Lognormal Distribution In Environmental Applications, Ross Joseph Iaci
The Gamma Distribution As An Alternative To The Lognormal Distribution In Environmental Applications, Ross Joseph Iaci
UNLV Retrospective Theses & Dissertations
In environmental applications dealing with data from contaminated sites the positively skewed lognormal distribution has been the most commonly used model. The upper confidence limit (UCL) of the arithmetic mean of a lognormal population is computed by using the H-statistics. Recent concerns have arisen to the effectiveness of the H-Statistic based UCL for the mean of the lognormal distribution in instances of moderately to highly skewed data sets. In this paper the positively skewed Gamma distribution is considered as an alternative to the lognormal distribution and is shown to produce more reasonable UCL's for the mean.
Average Cayley Genus For Cayley Maps With Dihedral Groups, Jamie Keith Langille
Average Cayley Genus For Cayley Maps With Dihedral Groups, Jamie Keith Langille
UNLV Retrospective Theses & Dissertations
Let Gamma be a finite group and let Delta be a generating set for Gamma. A Cayley map associated with Gamma and Delta is an oriented 2-cell embedding of the Cayley graph GDelta (Gamma) such that the rotation of arcs emanating from each vertex is determined by a unique cyclic permutation of generators and their inverses. A formula for the average Cayley genus is known for the dihedral group with generating set consisting of all the reflections. However, the known formula involves sums of certain coefficients of a generating function and its format does not specifically indicate the Cayley genus …
Basic Skills Teacher Licensure Test Scores As College Of Education Admission Criteria, Audrey Lawrence
Basic Skills Teacher Licensure Test Scores As College Of Education Admission Criteria, Audrey Lawrence
UNLV Retrospective Theses & Dissertations
The objective of this paper is to analyze the criterion-related validity of the Pre-Professional Skills Test (PPST) cut-scores as teacher education program admission criteria. PPST and American College Test (ACT) scores of 372 graduates, and PPST scores and other academic characteristics of 1,062 graduates of a Nevada teacher education program were examined. Findings of this study support that PPST and ACT subtests measure similar constructs, PPST scores do not predict success in student teaching, nor do they predict teacher candidates' college GPAs over and above ACT scores. In addition, over 99 percent of students who received scores of 22 or …
Modelling Land Subsidence Due To Groundwater Pumping/Recharging In The Las Vegas Valley, Mehmet Necmi Okuyan
Modelling Land Subsidence Due To Groundwater Pumping/Recharging In The Las Vegas Valley, Mehmet Necmi Okuyan
UNLV Retrospective Theses & Dissertations
A model for ground settlement and swelling occurring in Las Vegas Spring Preserve due to groundwater level changes has been developed. A FORTRAN code that uses the finite element method has been prepared. The computer code calculates the hydraulic head in the aquifer resulting from pumping and recharging of the Wells The settlement or swelling of the ground level at each node point is calculated based on hydraulic conditions. The computed hydraulic head and settlement resulted between January 1990 and December 1999 have been compared to the observed static heads and the measured settlement; The sensitivity of the settlement to …
Development Of A Gis-Based Framework For Evaluating Space And Parking Utilization, Jyothi S Tallapragada
Development Of A Gis-Based Framework For Evaluating Space And Parking Utilization, Jyothi S Tallapragada
UNLV Retrospective Theses & Dissertations
Large organizations such as corporations and universities typically occupy many buildings. A typical university space includes classrooms, laboratories, offices, and parKing The cost of adding additional space is significant. Therefore, effective management and utilization of the space is critical, especially to organizations that are growing. Growth may be measured in terms of the number of employees or students. As the number of employees and students increase, the number of trips to the campus also increase. This poses a growing pressure on the parking supply at the campus; The main objective of this thesis is to develop a framework for evaluating …