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Articles 80281 - 80310 of 83267
Full-Text Articles in Entire DC Network
The Geology And Hydrogeology Of The New Lead Belt, Missouri, Charles Scott Fletcher
The Geology And Hydrogeology Of The New Lead Belt, Missouri, Charles Scott Fletcher
Masters Theses
"In order to analyze the effects of pumping groundwater from underground lead mines upon present groundwater resources of the New Lead Belt area, the geology and hydrogeology of that area must first be determined. The primary method of investigation of this analysis was interpretation of ecologic and hydrogeologic data taken from water well logs and mineral exploration well logs, with supplemental information supplied by published and unpublished literature sources. From all these sources of data, structural contour maps of the Precambrian erosional surface; the tops of the Lamotte, Bonneterre, and Davis Formations; isopachous maps of the Davis and the Lamotte/Bonneterre …
An Economical-Digital Interface For Multiplex Recording Of Analog Signals, Samuel Knoles George
An Economical-Digital Interface For Multiplex Recording Of Analog Signals, Samuel Knoles George
Masters Theses
"In measuring and evaluating performance of an automobile and driver combination it is necessary to record data from the vehicle and driver while both are in the field.
The University of Missouri - Rolla Transportation Research Program performs this type of evaluation. The present method of recording data in the field is with a large, bulky, and somewhat fragile strip chart recorder.
The digital recording interface described in this paper is designed to permit replacement of the strip chart recorder with an audio tape recorder. The interface will allow simultaneous recording of two analog channels which may be reproduced as …
A Multiple-Plan Evaluation Model For Small Ungauged Watersheds, James R. Dexter
A Multiple-Plan Evaluation Model For Small Ungauged Watersheds, James R. Dexter
Masters Theses
A computer solution model is proposed for simulation of the effect of alternative measures for flood damage reduction. The goal of the model is to optimize the value of an objective function which will maximize the amount of net benefits returned by the project. The evaluation includes unit hydrograph synthesis, direct runoff construction, computation of average annual damages, and optimization of an objective function. A test application of the model is made on a small community affected by floods from a small ungauged stream"--Abstract, page iii.
A Computerized Simulation Of A Personal Rapid Transit System., James Richard Cromer
A Computerized Simulation Of A Personal Rapid Transit System., James Richard Cromer
Masters Theses
"The movement of people from an origin to a destination has become a complex and sometimes severe problem, The present modes of transportation available, which include the rapid rail systems, bus transit service, and the personal automobile, have proven quite ineffective in dealing with the situation, A new concept in the transportation area is that of Personal Rapid Transit (PRT). This concept offers a promising solution to many of our people and goods movement difficulties. Before this new system can be implemented it is necessary that various design, construction, and operational criteria be evaluated to determine the optimal system to …
A Geohydrologic Study Of The St. Francois County Regional Sanitary Landfill., Kent David Gastreich
A Geohydrologic Study Of The St. Francois County Regional Sanitary Landfill., Kent David Gastreich
Masters Theses
"The St. Francois County Sanitary Landfill is a 503.8-acre site located 1n the Old Lead Belt area of southeast Missouri. The landfill, which was opened in July 1973., is being operated by the non-profit St. Francois County Environmental Corporation. The site is largely covered by up to 80 feet of tailings finely ground dolomite of the lower Bonne Terre Formation., wh1ch are a product of decades of lead mining and milling at the Deslodge, Missouri, Mine. The landfill 1s surrounded on three sides by the Big River. Approximately 36,000 people are being served by the landfill which takes in about …
Esca Characterization Of Flotation Products From A Lead-Zinc-Copper Concentrator On The New Lead Belt Of Southeast Missouri., Kevin Leroy Purdy
Esca Characterization Of Flotation Products From A Lead-Zinc-Copper Concentrator On The New Lead Belt Of Southeast Missouri., Kevin Leroy Purdy
Masters Theses
"Electron spectroscopy for chemical analysis (ESCA) was used to determine the surface characteristics of products from an operating Pb-Zn-Cu concentrator on the New Lead Belt of southeast Missouri and pure galena and sphalerite samples treated with flotation reagents in concentrations similar to those used in the mills. The emphasis was on the action of surface modifiers such as Na2Cr2O7, starch, SO2, CuSO4 and NaCN in sphalerite flotation and in the galena-chalcopyrite separation. The objective of the investigation was to monitor the relative oxidation states of the mineral and reagent constituents and correlate these …
Bidding And Negotiation Of Government Funded Contracts With Inflationary Considerations., David Thurman Hearst
Bidding And Negotiation Of Government Funded Contracts With Inflationary Considerations., David Thurman Hearst
Masters Theses
"The traditional government contract type has played an important role in the economy of the United States. In its most used type, that of fixed price, it represents a stabilizing factor in the cycles of the business world. However, recently this type of contract has been affected by the nation's most recent plague, double-digit inflation.
Inflation attacks almost all phases of stability in the economy and in contract negotiations and bidding techniques. It erodes the monetary unit of the economy, distorts forecasting models, and creates potential ruin for contractors due to uncertainty in costs.
Research pertaining to government funded contracts …
An Analysis Of Water Research Programs Of The Utah Water Research Laboratory And Center For Water Resources Research, Water Resources Research Citizen Advisory Panel
An Analysis Of Water Research Programs Of The Utah Water Research Laboratory And Center For Water Resources Research, Water Resources Research Citizen Advisory Panel
Reports
Foreward: As a means of keeping water research programs at Utah State University responsive to needs in terms of both timeliness and emphasis, President Glen L. Taggart, in 1970, requested a number of Utah citizens to serve as a panel to give counsel and advice to the Utah Water Research Laboratory and Center for Water Resources Research. Membership of this 16-member panel represents a broad spectrum of water-related experience gained from a variety of professional backgrounds and organizational affiliations. The objective was to keep the panel small enough for it to be a "working" group but large enough to obtain …
Modeling The Total Hydrologic-Sociologic Flow System Of Urban Areas - Phase Ii, Wade H. Andrews, J. Paul Riley, George B. Shih, Malcolm B. Masteller
Modeling The Total Hydrologic-Sociologic Flow System Of Urban Areas - Phase Ii, Wade H. Andrews, J. Paul Riley, George B. Shih, Malcolm B. Masteller
Reports
Introduction and Overview: This is an interim report on Phase II of the three phase study. The objectives covered in this phase were: 1. To gather social and hydrologic data needed to calibrate and test the model. 2. The expand the physical model to include the rural part of the watersheds. 3. To test and improve techniques of the logical linking of the hydrologic and sociologic systems. 4. To begin adapting the model to the computer. During the second phase for the hydrologic component of the model major emphasis was placed on the expansion of the hydrologic area and the …
Upgrading Wastewater Stabilization Ponds To Meet New Discharge Standards, Donna H. Falkdenborg, Ronald F. Lewis, Donald J. Ehreth
Upgrading Wastewater Stabilization Ponds To Meet New Discharge Standards, Donna H. Falkdenborg, Ronald F. Lewis, Donald J. Ehreth
Reports
No abstract provided.
0103: William Ziebold Papers, 1915-1932, Marshall University Special Collections
0103: William Ziebold Papers, 1915-1932, Marshall University Special Collections
Guides to Manuscript Collections
Engineer from Charleston, West Virginia. Papers include examinations from the Ohio State University, a field book, and correspondence regarding a gas field in Canada.
Comparative Cost Analysis Of Implementing Computer Assisted Instruction On General Purpose Computers, Minicomputers, Or Time-Shared Systems, William Henderson Trueheart Junior
Comparative Cost Analysis Of Implementing Computer Assisted Instruction On General Purpose Computers, Minicomputers, Or Time-Shared Systems, William Henderson Trueheart Junior
College of Graduate Studies: Theses & Dissertations (1964–2006)
No abstract provided.
The Control Of Noise In Urban Areas., Edwin Eugene Frye Jr.
The Control Of Noise In Urban Areas., Edwin Eugene Frye Jr.
Masters Theses
"Noise has recently been labeled the 'fourth pollutant' and defined by some as the 'unwanted sound' that pervades our work environments and the privacy of our homes. This concern for noise and its effects has resulted from our nation's increasing population density, the increasing use of mechanized conveniences, the influx and growing use of mass transportation systems, and the public's awareness that noise not only 'annoys' and can increase everyday tensions and anxieties, but at certain levels can cause permanent hearing loss.
In order to curb the 'noise problem' legislators and municipal representatives began applying legal controls to noisy activities …
Minorities Are Not Prepared For Accepting Jobs In The Petroleum And Petrochemical Industries., Freddie Lorace Thompson
Minorities Are Not Prepared For Accepting Jobs In The Petroleum And Petrochemical Industries., Freddie Lorace Thompson
Masters Theses
"A survey has been made from nine petroleum and petrochemical companies in the Houston area to get recommendations on the training required for minorities to secure jobs and advance in these industries. Information gathered through this survey consist of the following; (1) recommendations on careers minorities should concentrate their training to secure jobs in these industries; (2) the demand for qualified technical minority graduates far exceeds the supply; (3) a vehicle whereby minorities can be trained and inducted into the petroleum and petrochemical industries; and (4) the companies surveyed are putting forth an honest effort to increase their job mix …
Application Of An Inverse Heat Conduction Technique To A Simulated Injection Mold., Noel Joy Rytter
Application Of An Inverse Heat Conduction Technique To A Simulated Injection Mold., Noel Joy Rytter
Masters Theses
"An analytical model was constructed to investigate the heat transfer in an injection mold for which the temperature was controlled by a special mold heating-cooling process. Several techniques were used to test the validity and accuracy of the analytical model of the mold and to explain some singularities that occurred. It was determined that the thickness of the plastic part being molded is the primary factor affecting the minimum cycle time for the molding operation. Also, abrupt changes in temperature on the molding surfaces are very difficult to obtain because this requires drastic temperature changes for the working fluid that …
Graph Model Analysis Of Computer Structures, Ömür Taşar
Graph Model Analysis Of Computer Structures, Ömür Taşar
Masters Theses
"Graph theory is applicable to the solving of problems in nearly every field of scientific study. The purpose of this thesis is to consider its applications in representing and analyzing digital computers. Fundamental graph theory definitions, the types and the properties of the directed graphs, the matrix representation, and several reduction techniques are discussed. The blocking gate method for diagnosing computer systems is described and applied to the Scientific Control Corporation (SCC) 650 for its fault-diagnosis.
Microprogramming has been a significant trend in hardware and software designs of computers. Microprogrammed computers are discussed in comparison to conventional computers. A general …
Local Buckling Of Cold-Formed Steel Structural Members Having Initially Curved Compression Elements, William M. Mckinney
Local Buckling Of Cold-Formed Steel Structural Members Having Initially Curved Compression Elements, William M. Mckinney
Masters Theses
"A comprehensive investigation of the effect of initial deviation from flatness on buckling stress and post-buckling strength of compression elements in structural plate members is presented. The study of stiffened and unstiffened elements expands the scope of elastic stability for initially curved plates. Finite element techniques were utilized for the study of unstiffened elements"--Abstract, page ii.
Waste Heat Utilization From A Direct Cycle High Temperature Gas Cooled Nuclear Reactor For District Heating And Air Conditioning, John Joseph Blase
Waste Heat Utilization From A Direct Cycle High Temperature Gas Cooled Nuclear Reactor For District Heating And Air Conditioning, John Joseph Blase
Masters Theses
"An analysis was conducted to determine the economic as well as technical feasibility of waste heat utilization from the proposed direct cycle high temperature gas cooled nuclear reactor, as designed by the General Atomic Company.
The rejected heat from this system is at considerably higher temperatures than those normally encountered in conventional steam-electric Rankine cycles. By taking advantage of these higher rejection temperatures, heat was translated into energy available to a district heating and air conditioning service. The transportation of this energy was considered to be in the form of heated and chilled water.
A refrigeration capacity on the order …
History Of So2 Removal System At The Meramec Plant Of Union Electric, Gerald E. Dreifke, John F. Mclaughlin, Jerrel D. Smith
History Of So2 Removal System At The Meramec Plant Of Union Electric, Gerald E. Dreifke, John F. Mclaughlin, Jerrel D. Smith
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
In line with the then emerging air pollution control regulations Union Electric installed a limestone injection wet scrubber sulfur dioxide removal system on an intermediate size coal-fired utility boiler at its Meramec Power Plant on an experimental basis in September, 1968. During approximately 3 years of operation many difficulties were encountered with plugging and scaling of various system components by calcium sulphate. As a result of this experience along with related experiences by other utilities employing similar systems, the experiment was terminated in June, 1971.
As a result of the experiences gained, however, second generation experiments in sulfur dioxide removal …
Future United States Energy Demand Patterns, Leland Blank, Richard Riley
Future United States Energy Demand Patterns, Leland Blank, Richard Riley
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
The future energy demands of the United States are forecast using a unique approach. The saturation forecasting method reflects the inability of an individual to utilize more than a limited amount of energy. This technique also allows evaluation of various conservation methods and their effects on the future energy needs.
A Minimum-Cost And Environmentally-Safe Program Of Herbicide Maintenance For Indiana Roadsides : Technical Paper, D. James Morré
A Minimum-Cost And Environmentally-Safe Program Of Herbicide Maintenance For Indiana Roadsides : Technical Paper, D. James Morré
JTRP Technical Reports
No abstract provided.
The Gyratory Testing Machine As A Design Tool And As An Instrument For Bituminous Mixture Evaluation : Draft Copy, Arun Kumar, William Harner Goetz
The Gyratory Testing Machine As A Design Tool And As An Instrument For Bituminous Mixture Evaluation : Draft Copy, Arun Kumar, William Harner Goetz
JTRP Technical Reports
No abstract provided.
Engineering Soils Map Of Delaware County, Indiana, D. G. Shurig
Engineering Soils Map Of Delaware County, Indiana, D. G. Shurig
JTRP Technical Reports
No abstract provided.
Analysis Of Motor Vehicle Accidents At Commercial Driveway Locations, David Albert Uckotter
Analysis Of Motor Vehicle Accidents At Commercial Driveway Locations, David Albert Uckotter
JTRP Technical Reports
No abstract provided.
Evaluation Of Parameters Significantly Influencing The Performance Of Continuously Reinforced Concrete Pavements : Technical Paper, Asif Faiz, Eldon J. Yoder
Evaluation Of Parameters Significantly Influencing The Performance Of Continuously Reinforced Concrete Pavements : Technical Paper, Asif Faiz, Eldon J. Yoder
JTRP Technical Reports
No abstract provided.
Effects Of Bicycle Lanes On Traffic Flow, Robert J. Jilla
Effects Of Bicycle Lanes On Traffic Flow, Robert J. Jilla
JTRP Technical Reports
No abstract provided.
Rtor: Warrants And Benefits, Ronald L. May
Rtor: Warrants And Benefits, Ronald L. May
JTRP Technical Reports
No abstract provided.
Destination Choice Modelling And Disaggregate Analysis Of Urban Travel Behavior : Executive Summary, Joseph Addo Ansah
Destination Choice Modelling And Disaggregate Analysis Of Urban Travel Behavior : Executive Summary, Joseph Addo Ansah
JTRP Technical Reports
No abstract provided.
Analysis Of Driver Reaction To Warning Devices At A High-Accident Rural Grade Crossing, Eugene Robert Russell
Analysis Of Driver Reaction To Warning Devices At A High-Accident Rural Grade Crossing, Eugene Robert Russell
JTRP Technical Reports
No abstract provided.
A Questionnaire-Aided Assessment Of The State Of The Art For Compacted Shale Embankments : Technical Paper, David Robert Chapman, Leonard E. Wood
A Questionnaire-Aided Assessment Of The State Of The Art For Compacted Shale Embankments : Technical Paper, David Robert Chapman, Leonard E. Wood
JTRP Technical Reports
No abstract provided.