Digital Commons Network^™

Economics, Politics And The Future Supply Of Energy Sources, Raphael Shen

UMR-MEC Conference on Energy / UMR-DNR Conference on Energy

High degree forward linkages created by oil and natural gas consumption was sufficient "justification" to regulate energy prices. The "welfare triangle" was artificially enlarged, and the economy as a whole indeed reaped benefits therefrom. It was workable, then. But the economy has since been experiencing macroeconomic dislocations. To avoid future payments of current policy mistakes, to ensure continued and steady economic growth, and to assure future energy adequacy/ abundance, enhanced investment incentives are rational imperatives that merit serious consideration.

The Missouri Miner, October 02, 1980

The Missouri Miner Newspaper

No abstract provided.

Missouri S&T Magazine, October 1980, Miner Alumni Association

Missouri S&T Magazine

No abstract provided.

The Missouri Miner, September 18, 1980

The Missouri Miner Newspaper

No abstract provided.

The Missouri Miner, September 11, 1980

The Missouri Miner Newspaper

No abstract provided.

The Missouri Miner, September 04, 1980

The Missouri Miner Newspaper

No abstract provided.

The Missouri Miner, August 28, 1980

The Missouri Miner Newspaper

No abstract provided.

Evaluation Of Zinc Sulphate Electrolytes Containing Certain Impurities And Additives By Cyclic Voltammetry, D. R. Fosnacht, Thomas J. O'Keefe

Materials Science and Engineering Faculty Research & Creative Works

The polarization characteristics of acid zinc sulphate electrolytes containing various amounts of germanium and cobalt were examined by cyclic voltammetry. The effects of zinc and acid concentration, temperature, and surface preparation were also investigated. Small concentrations of impurities are shown to cause measurable changes in polarization behavior. Levels as low as 0.02 mgl-1 Ge and 0.1 mgl-1 Co can be detected using this technique. The actual mechanism of impurity behavior is more clearly delineated using this technique and evaluation of the data from these tests indicate that germanium and cobalt form local galvanic cells. The results of these short-term tests …

Discussion Of "Gas Composition, Temperature, And Pressure Measurements In A Lead Blast Furnace", Arthur E. Morris, John R. Knoepke

Materials Science and Engineering Faculty Research & Creative Works

No abstract provided.

The Missouri Miner, May 08, 1980

The Missouri Miner Newspaper

No abstract provided.

The Missouri Miner, April 24, 1980

The Missouri Miner Newspaper

No abstract provided.

The Missouri Miner, April 03, 1980

The Missouri Miner Newspaper

No abstract provided.

The Missouri Miner, March 27, 1980

The Missouri Miner Newspaper

No abstract provided.

Angular Differential Cross Sections For Excitation Of Atomic Hydrogen To The N=2 Level By Proton Impact, John T. Park, John E. Aldag, Jerry Peacher, Jacob M. George

Physics Faculty Research & Creative Works

Differential cross sections for 15-145-keV proton impact excitation of atomic hydrogen to the n=2 level have been determined for center-of-mass scattering angles 0 to 1.2 mrad. The cross sections were obtained from an analysis of the angular distribution of protons which had lost an energy corresponding to the excitation of atomic hydrogen to its n=2 level. The differential cross sections obtained are in rather good agreement with available coupled-state calculations as well as the simpler Glauber-approximation calculations. However, at the larger scattering angles the cross sections obtained from the theoretical treatments appear to decrease more rapidly than the experimental data.

Potential Use Of Chemical Spot Test Method For Submicron Aerosol Sizing, Paul C. Yue, Josef Podzimek

Physics Faculty Research & Creative Works

A submicron particle, which is too small to be observed in an optical microscope, may form an observable spot on a chemically prepared substrate of the collector. The size of the spot or "Liesegang circle" is related to the aerodynamic diameter of the particle through a magnification factor. This paper presents the experimental results of the study of this factor using sodium chloride aerosol in the size range of 0.5 to 2 pm which has not previously been studied. We calibrated a cylindrical centrifuge with known sized latex particles. A relationship between the aerodynamic diameter and the deposition length is …

The Missouri Miner, February 21, 1980

The Missouri Miner Newspaper

No abstract provided.

The Missouri Miner, February 07, 1980

The Missouri Miner Newspaper

No abstract provided.

Missouri S&T Magazine, February 1980, Miner Alumni Association

Missouri S&T Magazine

No abstract provided.

The Strength Of Cold-Formed Steel Columns, Du Thinh Dat, Teoman Peköz

CCFSS Library (1939 - present)

INTRODUCTION The flexural buckling of columns is a fundamental problem whose solution was found by Euler more than 200 years ago. Since then, refinements have extended the solution to the inelastic range and clarified the influence of initial deflections and residual stresses. Most of these advances were made by studying hot-rolled steel columns, which are widely used. Cold-formed sections are coming into greater and greater use, thanks to the great variety of geometries available, which make them suitable for specific needs, and the significant advances made in the last four decades in understanding the behavior of cold-formed steel and in …

Ultimate Strength Of Cold-Formed Steel Z-Purlins, M. A. A. Razak, Teoman Peköz

CCFSS Library (1939 - present)

INTRODUCTION Cold-formed steel structures are being widely used in various forms of construction such as industrial plants, gymnasiums, hangars and metal buildings. One important feature of metal building construction is the use of light gage roof panels connected to purlins, particularly of the Z-section. This section is, besides the channel-section, the simplest two-flange section which can be produced by cold-forming. The purlins have span lengths of 20 to 25 feet, generally made continuous over the building rigid frames by nesting. Construction details vary from manufacturer to manufacturer. The purlins available would typically have prepunched holes for connection of various types …

The Missouri Miner, January 31, 1980

The Missouri Miner Newspaper

No abstract provided.

Properties Of High Alumina Refractories After Exposure To Steam/H₂ Atmospheres, David W. Lang

Masters Theses

"Selected properties of a dense fired alumina, a phosphate-bonded ramming mix, and a calcium aluminate cement-bonded castable were evaluated after exposure at 260°C and 538°C to steam/H₂ atmospheres (2.58, 5.17, and 6.89) MPa. Chemical reactions in the refractories were determined by x-ray diffraction, DTA/TGA, and changes in physical properties. The modulus of rupture (MOR) of the dense alumina decreased with increasing steam pressure and degree of saturation. The calcium aluminate cement phases in the castable were most reactive in 260°C steam and formed several hydrated phases which generally resulted in a higher MOR. The MOR of the ramming mix …

A Study Of Mechanical Degradation Of A Coarse Aggregate Subject To Repeated Loading, Mark Alan Roenfeldt

Masters Theses

"This investigation concerns itself with the problem of mechanical degradation of a coarse aggregate and specifically as it is used as railroad ballast. Laboratory tests were used to study the aggregate with respect to its plastic deformation characteristics, the amount of degradation, changes in gradation, and the rate of change of degradation as a function of the number of load cycles.

The repeated load triaxial tests were used to study how degradation occurs with respect to aggregate gradation, relative density, and the number of load applications. The Los Angeles abrasion test was also used to determine the degradation of the …

A Molecular Dynamics Study Of The Stability Of Small Prenucleation Water Clusters, Tze-Shan Chen

Doctoral Dissertations

"The dynamical stability and internal energy distribution of prenucleation water embryos have been studied by the molecular dynamic's method. Water clusters containing either five or twenty molecules were chosen to represent prenucleation embryos of small or intermediate size. A central force potential model of water which allows energy to be absorbed into intramolecular modes so that bond lengths and bond angles could adjust to changes in molecular environments was employed to describe the interaction between all pairs of atoms. The motion of the molecules was followed for extended time periods (of the order of several picoseconds) at each of a …

Amorphous-Damage Depth Distributions And The Amorphization Of Silicon By Ion Bombardment, Joseph Sadowski

Doctoral Dissertations

"Depth distributions of the radiation damage in moderately to heavily ion bombarded silicon was obtained in the following manner: The electron spin resonance signal from an ion bombarded silicon target was measured. This ESR signal was proportional to the amount of amorphous silicon present in the target. A thin oxide of specified thickness was then grown on the surface of the target by anodic oxidation and subsequently stripped off in a HF etch. The depth of the stripped impression below the unoxidized surface was measured using a multibeam interferometer. The amorphous ESR signal was again measured, and the strip / …

Angular Differential Cross Sections For Excitation Of Atomic Hydrogen To Its N=2 Level By Impact Of 15-100 Kev He⁺ Ions, John Eldon Aldag

Doctoral Dissertations

Differential cross sections Ear excitation of atomic hydrogen to its n = 2 level by 15-100 keV He⁺ ions have been determined for cm. angles from Oto 8 m rad. The cross sections were obtained from an analysis of the angular distribution of the scattered ions which had lost an energy corresponding to the excitation of the target to its n= 2 level. The shape of the differential cross section changes rapidly with increasing incident energy. At 15 keV, the cross section falls off by a factor of 5 in 6 m rad. At 100 keV, the cross section …

A Multiprocessor System Using A Switch Matrix Configuration, Rabah Aoufi

Masters Theses

"This thesis describes a class of interconnection networks based on the use of a switch matrix to provide processor to memory communication. This switch allows a direct link between any processor to any memory module. The cost and performance of this network are analytically examined. The results are compared with those of a multiprocessor system using a time-shared bus configuration and it is shown that for the two extreme cases of maximum and minimum throughput, the two approaches are equivalent from a performance point of view. However, in the general case, even with a higher cost, the switch matrix provides …

Rubber Covered Rolls-The Nonlinear Elastic Problem, R. C. Batra

Mechanical and Aerospace Engineering Faculty Research & Creative Works

The problem of the indentation of a rubberlike layer bonded to a rigid cylinder and indented by another rigid cylinder is analyzed. The rubberlike layer is assumed to be made of a homogeneous Mooncy-Rivlin material. The materially and geometrically nonlinear problem is solved by using the finite-element code developed by the author. Results computed and presented graphically include the pressure profile at the contact surface, stress distribution at the bond surface and the deformed shape of the indented surface. © 1980 by ASME.

A Survey And Analysis Of Electrical Engineering Curricula In Communications And Signal Processing, Rodger E. Ziemer, William H. Tranter

Electrical and Computer Engineering Faculty Research & Creative Works

No abstract provided.

Phase 1 Inspection Report: National Dam Safety Program. Mississippi -St. Francis Basin. Nims Lake Dam, Washington County, Missouri, Woodward-Clyde Consultants, Chicago, Illinois

Missouri Dam Safety Inspection Reports

This report presents the results of field inspection and evaluation of Nims Lake Dam, Missouri Inventory Number 30064.

It was prepared under the National Program of Inspection of Non-Federal Dams.

This dam has been classified as unsafe, non-emergency by the St. Louis District as a result of the application of the following criteria:

a. Spillway will not pass 50 percent of the Probable Maximum Flood without overtopping the dam.

b. Overtopping of the dam could result in failure of the dam.

c. Dam failure significantly increases the hazard to loss of life downstream.