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Articles 13111 - 13140 of 14860
Full-Text Articles in Entire DC Network
Scope Of The Uniform Commerical Code; Survey Of Computer Contracting Cases, William J. Woodward Jr., Amelia H. Boss
Scope Of The Uniform Commerical Code; Survey Of Computer Contracting Cases, William J. Woodward Jr., Amelia H. Boss
Faculty Publications
No abstract provided.
Overcoming Tradition And Modernity: The Search For Islamic Authenticity, By Robert D. Lee, Shahrough Akhavi
Overcoming Tradition And Modernity: The Search For Islamic Authenticity, By Robert D. Lee, Shahrough Akhavi
Faculty Publications
No abstract provided.
Evaluation Of Personal Communications Dual-Antenna Handset Diversity Performance, Michael A. Jensen, Joseph S. Colburn, Yahya Rahmat-Samii, Gregory J. Pottie
Evaluation Of Personal Communications Dual-Antenna Handset Diversity Performance, Michael A. Jensen, Joseph S. Colburn, Yahya Rahmat-Samii, Gregory J. Pottie
Faculty Publications
In personal wireless communications systems, multipath propagation has a significant effect on system design and performance. Signal strength fading caused by destructive interference between multiple replicas of the signal of interest arriving at the receiver over different paths often is the limiting factor in system range/fidelity. Antenna diversity is one technique that can be used to help overcome multipath fading. This paper presents a description of experiments, data processing, and results used to evaluate the diversity performance of three candidate dual-antenna handset configurations: two side-mounted planar-inverted F antennas (PIFAs), a back-mounted PIFA with a top-mounted helix, a top-mounted PIFA, and …
Nonlinear Optimal Control Design Of A Missile Autopilot, Tim Mclain, Randal W. Beard
Nonlinear Optimal Control Design Of A Missile Autopilot, Tim Mclain, Randal W. Beard
Faculty Publications
The application of a new nonlinear optimal control strategy to the design of missile autopilots is presented. The control approach described and demonstrated here is based upon the numerical solution of the Hamilton-Jacobi-Bellman equation by Successive Galerkin Approximation. Using this approach, feedback controllers are computed by an iterative application of a numerical Galerkin-type PDE solver. Simulation results demonstrating the application of this approach to the design of a missile autopilot are presented.
Influence Of Ash Deposit Chemistry And Structure On Physical And Transport Properties, Larry Lin Baxter 8507091
Influence Of Ash Deposit Chemistry And Structure On Physical And Transport Properties, Larry Lin Baxter 8507091
Faculty Publications
Boiler ash deposits generated during combustion of coal, biomass, black liquor, and energetic materials affect both the net plant efficiency and operating strategy of essentially all boilers. Such deposits decrease convective and radiative heat exchange with boiler heat transfer surfaces. In many cases, even a small amount of ash on a surface decreases local heat transfer rates by factors of three or more. Apart from their impact on heat transfer, ash deposits in boilers represent potential operational problems and boiler maintenance issues, including plugging, tube wastage (erosion and corrosion), and structural damage. This report relates the chemistry and microstructural properties …
God, Christ, And All Things In 1 Corinthians 15:28, David E. Fredrickson
God, Christ, And All Things In 1 Corinthians 15:28, David E. Fredrickson
Faculty Publications
God's becoming "all in all" requires neither God's absolute sovereignty over all things nor the absorption of God into creation. In the New Testament, as in trinitarian theology, it is better understood as a way to speak of a personal relation between Creator and creation and between the Father and the Son.
No Trinity, No Mission: The Apostolic Difference Of Revisioning The Trinity, Gary M. Simpson
No Trinity, No Mission: The Apostolic Difference Of Revisioning The Trinity, Gary M. Simpson
Faculty Publications
Moral and experiential monotheism, twin bequests of the enlightenment, have robbed recent doctrines of God of an essential apostolic difference. A revisioned formulation of the Trinity will provide good news for the modern world.
Tribute To Professor Richard B. Tyler, William B. Fisch
Tribute To Professor Richard B. Tyler, William B. Fisch
Faculty Publications
Tribute to Professor Richard B. Tyler
The Poetic Art Of Aldhelm, Scott Gwara
A Case Of 'Great Unstableness': A British Slaveholder And Brazilian Abolition, Matt D. Childs
A Case Of 'Great Unstableness': A British Slaveholder And Brazilian Abolition, Matt D. Childs
Faculty Publications
No abstract provided.
Status Processes And Mental Ability Test Scores, Michael J. Lovaglia, Jeffrey W. Lucas, Jeffrey A. Houser, Shane R. Thye, Barry N. Markovsky
Status Processes And Mental Ability Test Scores, Michael J. Lovaglia, Jeffrey W. Lucas, Jeffrey A. Houser, Shane R. Thye, Barry N. Markovsky
Faculty Publications
The expected consequences of a score on an ability test can constrain individual performance. The authors predict that status processes, including status differences and the differences in rewards and costs that result, will produce differences in ability test scores between high-status and low-status individuals. In three controlled experi- ments, participants randomly assigned low status scored lower on a standard test of mental ability (the Raven Progressive Matrices) than did participants assigned high status. For both men and women, the difference in ability test score between low-status and high-status participants was about half a standard deviation. The results suggest the need …
Successive Galerkin Approximations To The Nonlinear Optimal Control Of An Underwater Robotic Vehicle, Timothy Mclain, Randal W. Beard
Successive Galerkin Approximations To The Nonlinear Optimal Control Of An Underwater Robotic Vehicle, Timothy Mclain, Randal W. Beard
Faculty Publications
The application of a new nonlinear optimal control strategy to the station-keeping control of an underwater robotic vehicle is considered. The control approach described and demonstrated here is based upon the numerical approximation of solutions to the Hamilton-Jacobi-Bellman equation. These solutions are computed by an iterative application of Galerkin's method. Preliminary simulation results demonstrating the application of this approach to the control of an underwater vehicle in the horizontal plane are presented.
Race, Redlining, And Automobile Insurance Prices, Scott E. Harrington, Gregory R. Niehaus
Race, Redlining, And Automobile Insurance Prices, Scott E. Harrington, Gregory R. Niehaus
Faculty Publications
Following Becker's (1993) suggestion that tests for discrimination should attempt to infer whether profits differ for products sold to minorities and nonminorities, this article tests the hypothesis that racial discrimination affects market prices of auto insurance in Missouri. Compared with tests for discrimination in lending markets, our results are less susceptible to bias from omitted variables.Controlling for available demographic and coverage- related factors, we do not find that loss ratios at the zip-code level are negatively related to percent minority population. This finding is inconsistent with the hypothesis that racial discrimination increases premiums relative to expected claim costs for minorities.
Development And Experimental Validation Of An Underwater Manipulator Hydrodynamic Model, Timothy W. Mclain, Stephen M. Rock
Development And Experimental Validation Of An Underwater Manipulator Hydrodynamic Model, Timothy W. Mclain, Stephen M. Rock
Faculty Publications
Hydrodynamic forces can be large and hence have a significant effect on the dynamic performance of underwater manipulation systems. this paper investigates these forces for a cylindrical single-link arm undergoing motions that are characteristics of a robotic manipulator. Based on flow visualization, theoretical analysis, and experimental measurements, a new model is developed that describes these forces. This model differs from previous models in that the drag and added-mass coefficients are state-dependent functions that depend on the distance traveled by the arm. A factor of four improvement in accuracy is demonstrated over standard constant-coefficient models.
Ellen G. White And The Apocrypha, Denis Fortin
Ellen G. White And The Apocrypha, Denis Fortin
Faculty Publications
Paper prepared for the Historical/Theological Consultation on the Prophetic Gift of Ellen G. White - Silver Spring, June 17-19, 1998
Solute-Solvent Pair Distribution Functions In Highly Asymmetric Additive Hard Sphere Mixtures, Douglas Henderson, Kwong-Yu Chan
Solute-Solvent Pair Distribution Functions In Highly Asymmetric Additive Hard Sphere Mixtures, Douglas Henderson, Kwong-Yu Chan
Faculty Publications
Contact values for the solute-solvent pair distribution function in an additive hard sphere mixture, as computed from the Henderson-Chan (HC) formulas, are compared with the recent Monte Carlo (MC) data and formula of Matyushov and Ladanyi (ML) [J. Chem. Phys. 107, 5815 (1997)]. The agreement is found to be excellent. The negative finding of ML is due to a misprint in one of the HC publications. We find the HC formula to be superior to the ML formula when compared to our MC data [Mol. Phys. 91, 1137 (1997)] for the case where the ratio of diameters is large and …
Development And Testing Of A Quantitative Food Frequency Questionnaire For Use In Kerala, India, James R. Hébert, Prakash C. Gupta, Ramesh B. Bhonsle, P. R. Murti, Hemali Mehta, Florence Verghese, Mira Aghi, Kamala Krishnaswamy, Fali S. Mehta
Development And Testing Of A Quantitative Food Frequency Questionnaire For Use In Kerala, India, James R. Hébert, Prakash C. Gupta, Ramesh B. Bhonsle, P. R. Murti, Hemali Mehta, Florence Verghese, Mira Aghi, Kamala Krishnaswamy, Fali S. Mehta
Faculty Publications
Objective: To develop and test a food frequency questionnaire (FFQ) for use in rural areas of Kerala, India. Design: Based on food use and market surveys of the study area, a quantitative 81- item interviewer-administered FFQ was developed. A validation study was conducted consisting of 24-h diet recalls (24HR) administered on 8 days randomly selected over an entire year and two administrations of the FFQ, one at the beginning of the l-year period and the other at the end. FFQ and 24HR-derived nutrient scores were compared using correlation and regression analyses and by examining differences in the nutrient scores. Setting: …
Fuel Equalized Retargeting For Separated Spacecraft Interferometry, Timothy Mclain, Randal W. Beard, Fred Y. Hadaegh
Fuel Equalized Retargeting For Separated Spacecraft Interferometry, Timothy Mclain, Randal W. Beard, Fred Y. Hadaegh
Faculty Publications
Motivated by NASA's proposed Deep Space 3 interferometer mission, the paper considers the problem of reorienting a constellation of spacecraft such that the total fuel distributed across the constellation is both conserved and expended uniformly. The spacecraft constellation is controlled to reorient as if it were a rigid body. Two approaches to fuel equalization are investigated. The first approach picks a point of rotation a priori that optimizes an objective function that trades off minimum-fuel maneuvers and maneuvers that equalize the fuel. Since the point of rotation is selected a priori and is fixed during the rotation, this approach is …
A Practical Algorithm For Designing H∞ Control Laws, Timothy Mclain, Randal W. Beard
A Practical Algorithm For Designing H∞ Control Laws, Timothy Mclain, Randal W. Beard
Faculty Publications
We describe an approximation method for the Hamilton-Jacobi-Isaacs (HJI) equation that results in feedback control. The approximation is accomplished via a two-step successive Galerkin approximation scheme. An application of the technique to the control of the forward motion of an underwater vehicle is described.
Search For A New Gauge Boson In Π0 Decays, Nomad Collaboration, J. Altegoer, D. Autiero, A. Baldisseri, M. Baldo-Ceolin, G. Ballocchi, M. Banner, S. Basa, G. Bassompierre, K. Benslama, N. Besson, I. Bird, B. Blumenfeld, F. Bobisut, J. Bouchez, S. Boyd, A. Bueno, S. Bunyatov, L. Camilleri, K. Zuber, Roberto Petti, Et. Al.
Search For A New Gauge Boson In Π0 Decays, Nomad Collaboration, J. Altegoer, D. Autiero, A. Baldisseri, M. Baldo-Ceolin, G. Ballocchi, M. Banner, S. Basa, G. Bassompierre, K. Benslama, N. Besson, I. Bird, B. Blumenfeld, F. Bobisut, J. Bouchez, S. Boyd, A. Bueno, S. Bunyatov, L. Camilleri, K. Zuber, Roberto Petti, Et. Al.
Faculty Publications
A search was made for a new light gauge boson X which might be produced in π0→γ+X decay from neutral pions generated by 450 GeV protons in the CERN SPS neutrino target. The X's would penetrate the downstream shielding and be observed in the NOMAD detector via the Primakoff effect, in the process of X→π0 conversion in the external Coulomb field of a nucleus. With 1.45×1018 protons on target, 20 candidate events with energy between 8 and 140 GeV were found from the analysis of neutrino data. This number is in …
Quantum Associative Memory With Exponential Capacity, Tony R. Martinez, Dan A. Ventura
Quantum Associative Memory With Exponential Capacity, Tony R. Martinez, Dan A. Ventura
Faculty Publications
Quantum computation uses microscopic quantum level effects to perrform computational tasks and has produced results that in some cases are exponentially faster than their classical counterparts by taking advantage of quantum parallelism. The unique characteristics of quantum theory may also be used to create a quantum associative memory with a capacity exponential in the number of neurons. This paper covers necessary high-level quantum mechanical ideas and introduces a simple quantum associative memory. Further, it provides discussion, empirical results and directions for future work.
Optimal Control Using A Neural/Evolutionary Hybrid System, Tony R. Martinez, Dan A. Ventura
Optimal Control Using A Neural/Evolutionary Hybrid System, Tony R. Martinez, Dan A. Ventura
Faculty Publications
One of the biggest hurdles to developing neurocontrollers is the difficulty in establishing good training data for the neural network. We propose a hybrid approach to the development of neurocontrollers that employs both evolutionary computation (EC) and neural networks (NN). EC is used to discover appropriate control actions for specific plant states. The survivors of the evolutionary process are used to construct a training set for the NN. The NN leams the training set, is able to generalize to new plant states, and is then used for neurocontrol. Thus the EC/NN approach combines the broad, parallel search of EC with …
Constructing High Order Perceptrons With Genetic Algorithms, Timothy L. Andersen, Tony R. Martinez
Constructing High Order Perceptrons With Genetic Algorithms, Timothy L. Andersen, Tony R. Martinez
Faculty Publications
Constructive induction, which is defined to be the process of constructing new and useful features from existing ones, has been extensively studied in the literature. Since the number of possible high order features for any given learning problem is exponential in the number of input attributes (where the order of a feature is defined to be the number of attributes of which it is composed), the main problem faced by constructive induction is in selecting which features to use out of this exponentially large set of potential features. For any feature set chosen the desirable characteristics are minimality and generalization …
Annotated Bibliography Of Research In The Teaching Of English, Deborah Brown, Richard L. Larson, Melissa E. Whiting
Annotated Bibliography Of Research In The Teaching Of English, Deborah Brown, Richard L. Larson, Melissa E. Whiting
Faculty Publications
Twice a year, in the May and December issues, RTE publishes a selected bibliography of recent research in the teaching of English. Most of the studies listed appeared during the six-month period preceding the compilation of the bibliography (July through December, 1997, for the present bibliography), but some studies that appeared earlier are occasionally included. The listing is selective; it makes no attempt to include all research and research-related articles that appeared in the period tinder review. Comments on the bibliography and suggestions about items for inclusion may be directed to the bibliography editors. We encourage you to send your …
English Loanwords In Chicano Spanish: Characterization And Rationale, Robert N. Smead
English Loanwords In Chicano Spanish: Characterization And Rationale, Robert N. Smead
Faculty Publications
One highly visible, often stigmatized feature of Chicano Spanish is lexical innovation due to intimate contact with English and the mainstream culture. As noted in table 1, these Anglicisms are the result of varying degrees of host language adaptation and integration and include at least three distinct types of innovations: the lexical switch, the loanword, and the calque.
Writing In The Legal Academy: A Dangerous Supplement, Lisa A. Eichhorn
Writing In The Legal Academy: A Dangerous Supplement, Lisa A. Eichhorn
Faculty Publications
This article explores the relationship of writing and speech in the legal academy through the lens of an ancient, embedded hierarchy that favors speech over writing. The article borrows the philosophical notion of the "dangerous supplement" to describe the role of writing in this hierarchy and argues that law schools have long seen only one aspect of this role, viewing writing as a "dangerous" curricular supplement, but failing to see why it is necessary to the existence of the remainder of the curriculum. This article examines the lurking distrust that surrounds writing in the legal academy. Part I of this …
Coping With "Loss": A Re-Examination Of Sentencing Federal Economic Crimes Under The Guidelines, Frank O. Bowman Iii
Coping With "Loss": A Re-Examination Of Sentencing Federal Economic Crimes Under The Guidelines, Frank O. Bowman Iii
Faculty Publications
This Article has three objectives. First, it attempts to rethink the sentencing of federal economic criminals in light of the basic purposes of sentencing and of the Guidelines' particular structure and objectives. Second, it examines the deficiencies in the current sentencing guidelines regarding theft, fraud, and other economic crimes, and the problem areas in the case law construing those guidelines. Third, it proposes and analyzes a consolidated guideline, together with accompanying application notes, for sentencing virtually all theft and fraud cases (a draft of which follows the text of this Article as Appendix A).
The Brotherhood Of The Common Life And Its Influence, Kathryn A. Edwards
The Brotherhood Of The Common Life And Its Influence, Kathryn A. Edwards
Faculty Publications
No abstract provided.
Political Culture In The Nineteenth Century South: Mississippi, 1830-1900, By Bradley G. Bond, Lacy K. Ford, Jr.
Political Culture In The Nineteenth Century South: Mississippi, 1830-1900, By Bradley G. Bond, Lacy K. Ford, Jr.
Faculty Publications
A review of Political Culture in the Nineteenth Century South: Mississippi, 1830-1900, by Bradley G. Bond
Differential Expression Of The Arabidopsis Nia1 And Nia2 Genes: Cytokinin-Induced Nitrate Reductase Activity Is Correlated With Increased Nia1 Transcription And Mrna Levels, Xiaodan Yu, Sujatha Sukumaran, László Márton
Differential Expression Of The Arabidopsis Nia1 And Nia2 Genes: Cytokinin-Induced Nitrate Reductase Activity Is Correlated With Increased Nia1 Transcription And Mrna Levels, Xiaodan Yu, Sujatha Sukumaran, László Márton
Faculty Publications
Nitrate reductase (NR) activity increased up to 14-fold in response to treatment of Arabidopsis thaliana seedlings with the cytokinin benzyladenine. NR induction was observed in seedlings germinated directly on cytokinin-containing medium, seedlings transferred to cytokinin medium, and seedlings grown in soil in which cytokinin was applied directly to the leaves. About the same level of induction was seen in both wild-type and Nia2-deletion mutants, indicating that increased NR activity is related to the expression of the minor NR gene, Nia1. The steady-state Nia1 mRNA level was increased severalfold in both wild-type and mutant seedlings after benzyladenine treatment. Transcript …