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Articles 3511 - 3540 of 4116
Full-Text Articles in Entire DC Network
Forecasting Classroom Adjustment: The Utility Of Standard Language Fluency, Anne Despres
Forecasting Classroom Adjustment: The Utility Of Standard Language Fluency, Anne Despres
Masters Theses
No abstract provided.
Exploratory Behavior As A Function Of Two Different Feeding Conditions In The Gerbil, Dennis A. Vanderweele
Exploratory Behavior As A Function Of Two Different Feeding Conditions In The Gerbil, Dennis A. Vanderweele
Masters Theses
Gerbils were fed under two different schedules for six weeks after base-line measurement of open-table-top exploratory behavior. One schedule was a variable schedule such that a variable food amount could be administered at any time or place within the S's environment. The other schedule was fixed as to amount of food, time of administration, and feeding area. Separate Ss were utilized under each schedule and total amounts of food per group was equal. Both groups were retested for exploration after termination of the six week feeding schedule and statistical comparisons were made to S's baseline exploration. The fixed-fed Ss showed …
A Study Of Perceptions Of The Effect Of Student Dress And Grooming On Behavior And Achievement In Selected Michigan Public Secondary Schools, Ozzie D. Parks
A Study Of Perceptions Of The Effect Of Student Dress And Grooming On Behavior And Achievement In Selected Michigan Public Secondary Schools, Ozzie D. Parks
Masters Theses
No abstract provided.
The United Arab Republic's Relation With The U.S.S.R Between The Suez, 1956, And The June, 1967, Wars, Helwan Mohamed Habter
The United Arab Republic's Relation With The U.S.S.R Between The Suez, 1956, And The June, 1967, Wars, Helwan Mohamed Habter
Masters Theses
No abstract provided.
Three Occupational Choice Categories And Their Perceived Reference Groups And Reference Individuals, Stephen M. Vargo
Three Occupational Choice Categories And Their Perceived Reference Groups And Reference Individuals, Stephen M. Vargo
Masters Theses
No abstract provided.
Incidental Learning During Acquisition Of Typewriting Skills, Donna Rae Clendenin
Incidental Learning During Acquisition Of Typewriting Skills, Donna Rae Clendenin
Masters Theses
No abstract provided.
The Dipole Moment Of Cis- And Trans- Chloroiodoethylene, Ashvin Gajendralal Gajjar
The Dipole Moment Of Cis- And Trans- Chloroiodoethylene, Ashvin Gajendralal Gajjar
Masters Theses
No abstract provided.
Construct Validity Of The Length-Complexity Index (Lci), Martha Morrill Hon
Construct Validity Of The Length-Complexity Index (Lci), Martha Morrill Hon
Masters Theses
No abstract provided by author.
A Comparative Analysis Of The Keynote Speeches Of The Democratic And Republican National Nominating Conventions Of 1968, Joseph Earl Block
A Comparative Analysis Of The Keynote Speeches Of The Democratic And Republican National Nominating Conventions Of 1968, Joseph Earl Block
Masters Theses
No abstract provided by author.
An Experimental Study Of The Food Plant Preferences Of The Black Cutworm, Agrotis Ypsilon (Hufnagel), Alan C. York
An Experimental Study Of The Food Plant Preferences Of The Black Cutworm, Agrotis Ypsilon (Hufnagel), Alan C. York
Masters Theses
No abstract provided.
Student Parent Handbook - Westfield Schools, Vergil Gregg
Student Parent Handbook - Westfield Schools, Vergil Gregg
Masters Theses
No abstract provided.
Special Education In Eastern Illinois Area, Beulah Wenthe
Special Education In Eastern Illinois Area, Beulah Wenthe
Masters Theses
No abstract provided.
Modified Method Of Linear Associative Retrieval, James Donald Byrd
Modified Method Of Linear Associative Retrieval, James Donald Byrd
Masters Theses
"It is becoming increasingly important for those in decision making positions to have the most current and accurate data possible as related to their particular needs. Although there are several well known retrieval techniques available an intensified effort is being made at many installations to provide a retrieval system that will supply the demands of their own needs. One well known approach to the solution of information retrieval is linear associative retrieval. The solution that has been proposed requires several computer runs on some requests and therefore is very time consuming. The author has implemented a method to eliminate unnecessary …
The Design, Construction And Experimental Verification Of A Split Hopkinson Bar, Woosoon Bai
The Design, Construction And Experimental Verification Of A Split Hopkinson Bar, Woosoon Bai
Masters Theses
"This thesis presents the design considerations for a dynamic loading device utilizing a projectile fired from a tube. Also included is a preliminary investigation of the stress-strain relation, under dynamic loading with the device, for a plaster known as Hydrostone. Design of the unit is based on the split Hopkinson pressure bar originally developed by Kolsky and on a similar unit in use at the Lawrence Radiation Laboratory, Livermore, California. The strain pulses along the pressure bars are sensed by resistance wire strain gages and displayed on an oscilloscope. The oscilloscope traces are photographed and manually digitized for insertion into …
Numerical Solutions Of The Torsional Oscillations Of A Shaft-Flywheel System, Mahendrakumar Ramkrishna Patel
Numerical Solutions Of The Torsional Oscillations Of A Shaft-Flywheel System, Mahendrakumar Ramkrishna Patel
Masters Theses
"The application of the finite-difference technique, the Fourier transform, and the Laplace transform for the solution of a system governed by the one-dimensional wave equation is examined. A specific example consisting of a continuous shaft-flywheel system acted upon by an exciting torque applied at a specific section of the shaft is studied. The exact solution to this example is obtained using the classical method of superposition of modes, and is used as a reference to evaluate the accuracy (in terms of the rms error) and relative efficiency (based on computer time) of three approximate solution methods. A sinusoidal excitation was …
Petrology And Diagenesis Of The Cyclic Maquoketa Formation (Upper Ordovician) Pike County, Missouri, Edwin Carl Kettenbrink Jr.
Petrology And Diagenesis Of The Cyclic Maquoketa Formation (Upper Ordovician) Pike County, Missouri, Edwin Carl Kettenbrink Jr.
Masters Theses
"The Maquoketa Formation (Upper Ordovician-Cincinnatian Series) has been extensively studied for over one hundred years, but a petrographic study of its cyclic lithologies has been neglected. The following six distinct Maquoketa lithologies have been recognized in this study in Pike County, Missouri: 1) phosphatic biosparite, 2) phosphorite, 3) micrite-microsparite, 4) dolomitic shale, 5) dolomitic marlstone, and 6) dolomitic quartz siltstone. Three cycle types are present in the Maquoketa. They are expressed as thin beds (1-20 inches) of alternating micrite-shale, micrite-marlstone, and shale-siltstone. Contacts between different lithologies are sharp, indicating a primary sedimentological origin for the cycles. Precisely what mechanism was …
Abandoned Automobiles :A Case History Of Land Pollution, Robert William Arden
Abandoned Automobiles :A Case History Of Land Pollution, Robert William Arden
Masters Theses
"A study has been made of the abandoned automobile problem as it now exists throughout the United States with particular emphasis on the problem in the Saint Louis area. The primary goal of this study was to determine those factors which most influence the collection and disposal of derelict vehicles. The problem was examined in the following major areas: (1) The history of the problem in the Saint Louis area and the various attempts made to correct it, (2) the various businesses directly involved with the disposal of junk automobiles, namely, the auto wreckers and the scrap processors, and (3) …
A Computer Simulation Of The Internal Ballistics Of Recoilless-Rifle Rocket Launchers, John Edd Mosier
A Computer Simulation Of The Internal Ballistics Of Recoilless-Rifle Rocket Launchers, John Edd Mosier
Masters Theses
"A computer program has been developed to simulate the basic mechanics and gas dynamics associated with launching a solid propellant rocket from a recoilless rifle. This program, entitled "KICKIT," may be used to predict the performance and evaluate many of the pertinent design parameters of both conventional recoilless rifles and a recoilless rocket launcher system. This program is a valuable analytical tool which enables the designer either to optimize the system design or predict the behavior of the system under off-design conditions"--Abstract, Page ii.
The Lund Ash-Flow Tuff, John Evans Kreider
The Lund Ash-Flow Tuff, John Evans Kreider
Masters Theses
"The Lund Ash-flow Tuff is the uppermost member of the Needles Range Formation, located in southwestern Utah and eastern Nevada. This member can be correlated over an area of several thousand square miles. A detailed study of petrographic and physical features of the Lund show vertical and lateral variations in mineral content and welding intensity. Vertical differences are related to changes in the magma chamber during the Lund eruption interval. Several different ash-flows make up the Lund member. All mineral concentrations vary laterally, with concentration decreasing away from the center of the Lund field. Vertical and lateral variations in physical …
Evaluation Of City And Region Planning Techniques, Charles Clay Miller
Evaluation Of City And Region Planning Techniques, Charles Clay Miller
Masters Theses
"The transportation and community planning effort in the United States has resulted in the expenditure of a great deal of time and money. However, the result of this effort has largely been unusable because of a lack of an effective formalized planning method. this thesis presents summarizations of the planning methods employed in ten plans which are typical of the U.S. Planning Effort. Each of these methods are critiqued in the light of a proposed planning method. The Federal Government has recently required the adoption of a Planning, Programming and Budgeting System (PPBS) in an effort to formalize a scientific …
An Investigation Of The Adjustable Element Concept For Design Of Automotive Exhaust Mufflers, Phillip Scott Gegesky
An Investigation Of The Adjustable Element Concept For Design Of Automotive Exhaust Mufflers, Phillip Scott Gegesky
Masters Theses
"The concept of the adjustable muffler is felt to be a step in the direction of easing the present tedium of constructing and testing prototype mufflers. The evaluation of such a muffler also furthers the knowledge of the interaction of acoustic elements. A review of past and present efforts in the design and evaluation of acoustic filters and filter elements is herein presented. Some consideration is given to phenomena, such as tube attenuation and transverse modes of vibration, which are encountered in muffler evaluation techniques. The characteristics of wave guides are discussed at length. The solution of the plane wave …
Magnetohydrodynamic Channel Flow With Non-Uniform Inlet Velocity Profiles, Gwok-Liang Chen
Magnetohydrodynamic Channel Flow With Non-Uniform Inlet Velocity Profiles, Gwok-Liang Chen
Masters Theses
"An analysis is made of laminar magnetohydrodynamic (MHD) flow development in the entrance region of a parallel-plate channel. The problem is formulated in general for any velocity distribution at the channel inlet by extending the linearization method of Sparrow, Lin, and Lundgren for non-MHD duct flows. This method involves linearization of the inertia terms in the equation of motion by introducing a stretched axial coordinate. A closed form solution is obtained for the velocity distributions which are continuous across the channel and along the length all the way from the entrance to the fully developed region. An expression for the …
Behavior Of A Remolded Silty-Clay Subjected To Sequential Loading, Lawrence Tsi-Ching Chung
Behavior Of A Remolded Silty-Clay Subjected To Sequential Loading, Lawrence Tsi-Ching Chung
Masters Theses
"The investigation was undertaken to determine shear strength and pore pressure parameters of a soil when subjected to sequential loading. This method is intended to similate the in-situ condition of stress application under certain field conditions. The testing procedure, a sequential triaxial shear test, is described. This test consists of successive stages of partial consolidation followed by undrained shear. Triaxial consolidation and shear strength characteristics of a sedimented remolded silty-clay are compared with the results from conventional tests on isotropically consolidated samples. The undrained strength was found to be a function of moisture content, irrespective of the method of test …
Thermal Stresses In Circular Plates Including The Effect Of Transverse Shear Deformation, An-Ton Liu
Thermal Stresses In Circular Plates Including The Effect Of Transverse Shear Deformation, An-Ton Liu
Masters Theses
"This thesis is an extension of the work of T. F. Lehnhoff which used the method suggested by Goodier to develop the Reissner-Goodier small displacement theory for plates subjected to lateral loading. The purpose of this work is to develop a more complete Reissner-Goodier small displacement theory for plates under general loadings, both lateral and thermal, and to provide a solution to the six governing coupled partial differential equations by using a process similar to that of Lehnhoff. Any loading, lateral and/or thermal, that satisfies the Dirichlet conditions of Fourier analysis and virtually any boundary conditions may be handled. Most …
Magnetohydrodynamic Stability Of Laminar Flow In The Entrance Region Of A Parallel-Plate Channel, Thomas Eldon Eaton
Magnetohydrodynamic Stability Of Laminar Flow In The Entrance Region Of A Parallel-Plate Channel, Thomas Eldon Eaton
Masters Theses
"The hydrodynamic stability of laminar flow of an electrically conducting fluid flowing in a parallel-plate channel with an applied transverse magnetic field is investigated. The linear perturbation theory of hydrodynamic stability along with the assumption of low magnetic Reynolds number is applied to the governing equations to derive the governing rnagnetohydrodynarnic stability equation. A finite difference scheme is employed to numerically solve the magnetohydrodynamic stability equation. Neutral stability characteristics of the flow in the entrance region are obtained and presented. The neutral stability characteristics of the fully developed Hartmann flow are also re-examined and compared with those of a previous …
Cathodic Behavior Of Co, Co-Fe Alloys And Some Other Metals In Acids In A Cathodic Protection Arrangement, Ram Bajaj
Masters Theses
"During cathodic protection of a corroding metal, electrons are forced into the metal by a sacrificial anode, a battery or a rectifier. These electrons, which constitute the suppressing or external current, are discharged (by H⁺ of the corrosive liquid) on the local cathode of the corroding metal decreasing the emf of the local cells, and, thus, reducing the cell current or the rate of corrosion of the metal. This process was studied in detail by finding out the relationship existing between the cell and suppressing currents. The study was made using two circuits: the cell circuit (representing the local current) …
The Possible Correlation Of Carcinogenic Activity With Electronic Structure Of Benz(A)Anthracene, Patricia Joan Blair
The Possible Correlation Of Carcinogenic Activity With Electronic Structure Of Benz(A)Anthracene, Patricia Joan Blair
Masters Theses
"The electronic structure of benz(a)anthracene based on the sigma and pi electrons was predicted by the modified intermediate neglect of differential overlap (MINDO) molecular orbital method and compared with the pi electronic structure determined by the Pople method. The crystalline molecular structure was used for both methods. The Pople calculation was also done on the aromatic molecular structure and a combination structure which assumed the bond lengths of the crystal structure and the bond angles of the aromatic structure. Chemical properties predicted by the MINDO and POPLE electronic structures were compared; the MINDO results provided the best agreement with experimental …
A Permeability Scaling Technique In The Numerical Simulation Of Water Coning, Virendra Kumar Dutta
A Permeability Scaling Technique In The Numerical Simulation Of Water Coning, Virendra Kumar Dutta
Masters Theses
"A two-dimensional, two-phase, radial, horizontally layered water coning simulator was programmed for large memory digital computers. A permeability sealing technique is developed which allows the use of large size blocks as production blocks. As a result of this technique large time steps have been used without causing saturation instabilities around the well bore and the permeability scaling technique allows a more realistic simulation of a water cone. The IMPES method is used to calculate pressure and saturation in the system for each finite time step. The behaviour of the simulator is studied for various factors affecting the advance of a …
The Role Of Import-Substitution In Underdeveloped Countries, Farouk M. Bitar
The Role Of Import-Substitution In Underdeveloped Countries, Farouk M. Bitar
Masters Theses
No abstract provided.
An Explicit Simulation Of Overland Flow, Glendon Taylor Stevens
An Explicit Simulation Of Overland Flow, Glendon Taylor Stevens
Masters Theses
"Computer simulation of overland flow requires a mathematical model which converges to a true solution. This paper presents a method, based on measurable physical parameters, which insures convergence of a fixed grid explicit numerical solution. Analysis of a wide range of overland flow plane parameters has resulted in an equation of the form Δt = 0. 2 ΔX/So, for the time step increment. This equation provides values for Δt that will insure stability and convergence of the fixed grid explicit numerical method of solving the spatially varied unsteady flow equations. The effect of subarea shape on the rising …