Physical Sciences and Mathematics Commons^™

Comparison Of Conjoint Analysis, Multiple Regression Models With Person Vectors And Profile Analysis To Assess Important Factors Used To Select Colleges, John Fraas, Isadore Newman

John W. Fraas

The purpose of this study was to investigate the relative effectiveness of the traditional conjoint analysis approach to the multiple regression approach that includes person vectors and profile analysis. It was expected that the more sophisticated models would increase the effectiveness in terms of its shrinkage estimates and the accuracy of its predictability of two holdout groups. The data source consisted of a sample of 100 students who rated eight colleges on five attributes -- quality of education, financial aid, quality of dorm life, student/faculty relations, and social life.

Ripoplex Male Enhancement (Reviews 2019):, Edam Smith

edam smith

An Analogue In Certain Unique Factorization Domains Of The Euclid-Euler Theorem On Perfect Numbers, Wayne L. Mcdaniel

UMSL Emeritus

Http://Www.Supplementsell.Com/Krygen-Xl/, Grikil Row

Krygen Xl Male Enhancement

Kaon Transitions And Predictions Of Chiral Symmetry, Jf Donoghue, Br Holstein

Barry R Holstein

We describe a set of kaonic electromagnetic and semileptonic weak decay processes which are completely predicted within the framework of chiral symmetry (and, therefore, of low-energy QCD), emphasizing where present problems exist and suggesting future experiments.

Stepwise Synthesis And Structural Characterization Of The Molybdenum-Iron-Sulfur {[Mofe3s4cl2(Cl4cat)]2(.Mu.2-S)2}6- And {[Mofe3s4cl2(Cl4cat)]2(.Mu.2-S)(.Mu.2-Oh}5- Doubly Bridged Double Cubanes Obtained By The Coupling Of [Mofe3s4] Clusters, Dimitri Coucouvanis, Paul Challen, Sang Koo, W. Davis, W. Butler, W. Dunham

Paul R. Challen

No abstract provided.

The Search For Medicinal Plants Among Madagascar’S Tsimihety Ethnic Group, Nat Quansah

Nat Quansah

No abstract provided.

Student Perceptions Of The Relative Importance Of Selected Attributes Of An Institution Of Higher Education: A Conjoint Approach, John Fraas, Ronald Paugh

John W. Fraas

A study investigated the relative importance of certain college attributes to the freshmen of Ashland University, a small, private university in Ohio. Five institutional characteristics were examined: availability and variety of financial aid, dorm life (living conditions and food quality), quality of education (quality of teaching, career relevance of the curriculum, and overall institutional reputation), student-faculty relationships and interaction (availability of faculty to students, faculty promotion of student development, and degree of faculty advice given to students on personal as well as academic matters), and campus social life.

Conformal Transformations In Quantum Mechanics, Alec Schramm, Alfons Stahlhofen

Alec J Schramm

We discuss the occurrence of orientation- or area-preserving diffeomorphism groups in quantum mechanics. We show that the generators of these groups are contained in the generators of the symmetry group of a central potential, as is demonstrated by the example of the Coulomb problem. Our approach is based on the recently introduced concept of a factor space of scattering states.

Infrared Spectroelectrochemical Measurements Of The Electrochemical Double Layer: Using Carbon Monoxide As A Double Layer Probe Molecule, Mark Anderson, Andrea Russell, Stanley Pons

Mark R. Anderson

No abstract is currently available.

On The Dimension Of Bivariate Superspline Spaces, Tian-Xiao He

Tian-Xiao He

A bivariate piecewise polynomial function of total degree d on some grid partition △ that has rth order continuous partial derivatives everywhere may have higher-order partial derivatives at the vertices of the grid partition. In finite element considerations and in the construction of vertex splines, it happens that only those functions with continuous partial derivatives of order higher than r at the vertices are needed to give the same full approximation order as the entire space of piecewise polynomials. This is certainly the case for d > 4r + 1. Such piecewise polynomial functions are called supersplines. This …

The Electrochemical And Sniftirs Behavior Of Copper(I)Tetrakisbenzonitrile, Mark Anderson, Daniel Blackwood, Thomas Richmond, Stanley Pons

Mark R. Anderson

No abstract is currently available.

Progress In The Development Of Hemp Protection Standards For C3i Facilities, George H. Baker, Clinton R. Gordon

George H Baker

DoD is involved in EMP standards development efforts which culminate 25 years of research. This paper previews an EMP protection standard for fixed, ground-based communication facilities. The standard uses a low-risk hardening approach which depends on an electromagnetic barrier comprised of a conducting shield to prevent harmful transients from reaching communication electronics. The standard is the first of its kind and is being instituted as MIL-STD-188-125.

Thermochemistry Of A Structurally Defined Aldol Reaction., Edward Arnett, Franklin Fisher, Michael Nichols, Anthony Ribeiro

Michael A Nichols

No abstract provided.

The Activation Of Carbon-Fluorine Bonds By Oxidative Addition At Tungsten(O): An Electrochemical Study, Andrea Russell, Carolyn Osterberg, Daniel Blackwood, Mark Anderson, Thomas Richmond, Stanley Pons

Mark R. Anderson

We have investigated the anodic oxidation reactions of W(CO)4Et,F5 (I), where Et,F5 is the ligand N,N'-bis(pentafluorophenylidine)ethylenediamine, by cyclic voltammetry and infrared spectroelectrochemistry. The results in both acetonitrile and methylene chloride indicate an ece type mechanism, with the product of the first electron transfer stabilized by the more coordinating solvent.

Estimating Vaporization Enthalpies Of Organic Compounds With Single And Multiple Substitution, James S. Chickos, Donald G. Hesse, Joel F. Liebman

James Chickos

No abstract provided.

Pitch Of Complex Tones With Many High‐Order Harmonics, Adrianus J. M. Houtsma, J. Smurzynski

Jacek Smurzynski

The Adiabatic Propagator, Br Holstein

Barry R Holstein

The Feynman propagator is expanded in the adiabatic limit, wherein the time scale over which the potential varies is long compared to typical quantum mechanical oscillation times in the problem. Comparison with known exact results is made for two simple models.

A Status Report On Software Quality In The United States And Japan, Robert Yacobellis

Robert H Yacobellis

No abstract provided.

Rigidity Percolation, Anthony Day, M. Thorpe, W. Xia

Anthony Roy Day

No abstract provided.

The Adiabatic Theorem And Berry's Phase, Br Holstein

Barry R Holstein

A study is presented of Berry's observation that when a quantum-mechanical system is transported on a closed adiabatic journey, a topological phase arises in addition to the usual dynamical phase expected from the adiabatic theorem. Consequences are explored in the case of a simple magnetic moment-magnetic field interaction and are shown to lead, among other things, to Dirac's famous relation between electric and magnetic charges.

Random Elastic Networks, Anthony Day, M. Thorpe, W. Xia

Anthony Roy Day

Proceedings of the International Workshop on Condensed Matter Theories, 1988.

Spectral Continuity In Complex Interpolation, Karen Saxe, D. Herrero

Karen Saxe

No abstract provided.

An Assessment Of Potential Hazards To The Cassini Spacecraft From Debris Along Satellite Orbits, Robert A. Kolvoord

Robert A Kolvoord

No abstract provided.

General Functional Differential Systems With Asymptotically Constant Solutions, William F. Trench

William F. Trench

No abstract provided.

Existence Of Solutions Of Functional-Differential Systems With Prescribed Asymptotic Behavior, William F. Trench

William F. Trench

No abstract provided.

On Discrete-Time Sliding Modes, Sergey V. Drakunov, Vadim I. Utkin

Sergey V. Drakunov

No abstract provided.

The Effect Of Solvent Type On The Infrared Spectrum Of Carbon Monoxide Adsorbed At Platinum Electrodes, Mark Anderson, Daniel Blackwood, Thomas Richmond, Stanley Pons

Mark R. Anderson

The infrared spectrum of CO adsorbed on a platinum electrode from several solvents was investigated. In N-methylformamide, acetonitrile, and 1,2-dichloroethane, the infrared band attributed to linearly bonded CO had experimental Stark tuning rates of 20 cm−1/V, 22 cm−1/V, and 19 cm−1/V, respectively. For each of these solvents, the potential dependence of the band position was found to be linear for the entire potential range investigated. When methanol was the solvent, the plot of the band position versus potential had three distinctly linear portions, each with a different value for the slope. The behavior is explained in terms of the ability …

The Behavior Of The Infrared Spectrum Of Carbon Monoxide Adsorbed At Platinum Electrodes From Non-Aqueous Solvents, Mark Anderson, Daniel Blackwood, Stanley Pons

Mark R. Anderson

Electrochemical oxidation of vanadium hexacarbonyl anion, V(Co)6 in aprotic solvents results in formation of the V(0) complex which decomposes to form CO in high concentrations next to the electrode surface. As a result, CO is more rapidly adsorbed on the surface than by conventional methods. Surface reflection infrared spectroscopy shows that the potential dependent frequency shift for the infrared active bands due to CO adsorbed on platinum is 19 cm−1/V in 1,2-dichloroethane and 22 cm−1/V in acetonitrile, which are considerably less than the 30 cm−1/V observed in aqueous systems.

Systems Of Functional Differential Equations With Asymptotically Constant Solutions, William F. Trench, T. Kusano

William F. Trench

No abstract provided.