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Articles 72661 - 72690 of 75028

Full-Text Articles in Engineering

Practical Optimization Of Steel Highway Bridge Beams., Robert Henry Busek Jan 1971

Practical Optimization Of Steel Highway Bridge Beams., Robert Henry Busek

JTRP Technical Reports

No abstract provided.


Optimization Of The Structural Design Of Asphalt Pavements : Technical Paper, Joseph C. Oppenlander, Salim Said Hejal, L. D. Burns Jan 1971

Optimization Of The Structural Design Of Asphalt Pavements : Technical Paper, Joseph C. Oppenlander, Salim Said Hejal, L. D. Burns

JTRP Technical Reports

No abstract provided.


An Evaluation Of Traffic Signal Coordination, Conway Edward Cooper Jan 1971

An Evaluation Of Traffic Signal Coordination, Conway Edward Cooper

JTRP Technical Reports

No abstract provided.


The Prediction Of Running Speeds On Urban Arterial Streets, Kenneth Alan Shackman Jan 1971

The Prediction Of Running Speeds On Urban Arterial Streets, Kenneth Alan Shackman

JTRP Technical Reports

No abstract provided.


Travel Time And Accident Benefits Due To Reconstruction Of U.S. 52 Bypass At Lafayette, Indiana : Progress Report, Alexander Edward Mcneil Jan 1971

Travel Time And Accident Benefits Due To Reconstruction Of U.S. 52 Bypass At Lafayette, Indiana : Progress Report, Alexander Edward Mcneil

JTRP Technical Reports

No abstract provided.


Mechanical Methods Of Steel Placement For The Slipform Construction Of Continuously Reinforced Concrete Pavements : Technical Paper, Charles F. Scholer, Olubayo Timothy Olateju Jan 1971

Mechanical Methods Of Steel Placement For The Slipform Construction Of Continuously Reinforced Concrete Pavements : Technical Paper, Charles F. Scholer, Olubayo Timothy Olateju

JTRP Technical Reports

No abstract provided.


Water Conservation Handbook, D J. Carder, G. W. Spencer Jan 1971

Water Conservation Handbook, D J. Carder, G. W. Spencer

Natural resources published reports

This handbook is intended as a practical guide in some of the most common aspects of water conservation in the agricultural areas of Western Australia. It deals mainly with water conserved in dams for stock and domestic purposes on the farm.

the farm. The handbook does not attempt to deal with all aspects of handling and using water for agricultural purposes. This is a vast subject which extends into many fields such as engineering, irrigation and land use.

The guide does, however, touch on some important aspects of good management of agricultural land. It should be read in conjunction with …


A Generalized Investigation Of Potentially Poor Soil Support By Regional Geomorphic Units Within The Adjacent 48 States : Preprint, Matthew W. Witczak, C. W. Lovell Jan 1971

A Generalized Investigation Of Potentially Poor Soil Support By Regional Geomorphic Units Within The Adjacent 48 States : Preprint, Matthew W. Witczak, C. W. Lovell

JTRP Technical Reports

No abstract provided.


Techniques In Slipform Paving And Continuously Reinforced Concrete Pavement Construction, Olubayo Timothy Olateju Jan 1971

Techniques In Slipform Paving And Continuously Reinforced Concrete Pavement Construction, Olubayo Timothy Olateju

JTRP Technical Reports

No abstract provided.


Driver Information Systems For Highway-Railway Grade Crossings, Thomas Urbanik Jan 1971

Driver Information Systems For Highway-Railway Grade Crossings, Thomas Urbanik

JTRP Technical Reports

No abstract provided.


Young Drivers' Severe Automobile Accidents : Progress Report, William Asher, Michelle Shapiro Jan 1971

Young Drivers' Severe Automobile Accidents : Progress Report, William Asher, Michelle Shapiro

JTRP Technical Reports

No abstract provided.


Practical Optimization Of Steel Highway Bridge Beams: Technical Paper, Robert Henry Busek, John Thixton Gaunt, A. D. Lewis Jan 1971

Practical Optimization Of Steel Highway Bridge Beams: Technical Paper, Robert Henry Busek, John Thixton Gaunt, A. D. Lewis

JTRP Technical Reports

No abstract provided.


Test 1070: Minneapolis-Moline A4t-1600 Diesel (Also Oliver 1655 Diesel) 10-Speed, Nebraska Tractor Test Lab Jan 1971

Test 1070: Minneapolis-Moline A4t-1600 Diesel (Also Oliver 1655 Diesel) 10-Speed, Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT

GENERAL CONDITIONS

East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers.

PREPARATION FOR PERFORMANCE RUNS

The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …


Test 1065: Allis-Chalmers Landhandler 210 Diesel, Nebraska Tractor Test Lab Jan 1971

Test 1065: Allis-Chalmers Landhandler 210 Diesel, Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF TEST REPORT

GENERAL CONDITIONS

East tractor is a production model equipped for common usage. Power consuming accessories can be disconnected only when it is convenient for the operator to do so in practice. Additional weight can be added as ballast if the manufacturer regularly supplies it for sale. The static tire loads and the inflation pressures muse conform to recommendations in the Tire Standards published by the Society of Automotive Engineers.

PREPARATION FOR PERFORMANCE RUNS

The engine crank case is drained and refilled with a measured amount of new oil conforming to specifications in the operator’s manual. The …


Herbicide-Binding Activity Of The Plasma Membrane From Grass Coleoptiles : Progress Report, Carole A. Lembi, D. James Morré Jan 1971

Herbicide-Binding Activity Of The Plasma Membrane From Grass Coleoptiles : Progress Report, Carole A. Lembi, D. James Morré

JTRP Technical Reports

No abstract provided.


An Effect Of 2, 4-D Herbicide On The Cell Surface Membrane Of Onion Stem Explants : Technical Paper, Willliam Jan Vanderwoude, Carole A. Lembi, D. James Morré Jan 1971

An Effect Of 2, 4-D Herbicide On The Cell Surface Membrane Of Onion Stem Explants : Technical Paper, Willliam Jan Vanderwoude, Carole A. Lembi, D. James Morré

JTRP Technical Reports

No abstract provided.


Permeability Scaling In A Numerical Coning Model, V. K. Dutta, Marion D. Arnold Jan 1971

Permeability Scaling In A Numerical Coning Model, V. K. Dutta, Marion D. Arnold

Geosciences and Geological and Petroleum Engineering Faculty Research & Creative Works

A method is described for simulating coning into a wellbore using a numerical simulation model. The method allows the wellbore cells to be considerably larger than the actual wellbore. This makes coning studies feasible using an implicit pressure-explicit saturation type model with a reasonable time step. This capability is achieved by scaling the horizontal-vertical permeability ratios to give the proper vertical potential drop.


Anodic Dissolution Of Beryllium In Anhydrous Media, William Joseph James, Martin E. Straumanis Jan 1971

Anodic Dissolution Of Beryllium In Anhydrous Media, William Joseph James, Martin E. Straumanis

Chemistry Faculty Research & Creative Works

No abstract provided.


Stored Energy Of Room Temperature Deformed Copper, G. J. Filatovs, Hollis P. Leighly Jan 1971

Stored Energy Of Room Temperature Deformed Copper, G. J. Filatovs, Hollis P. Leighly

Materials Science and Engineering Faculty Research & Creative Works

No abstract provided.


Thermal Expansion Of Pb3o4, Charles A. Sorrell Jan 1971

Thermal Expansion Of Pb3o4, Charles A. Sorrell

Materials Science and Engineering Faculty Research & Creative Works

Thermal expansion of Pb3O4 was investigated by high‐temperature X‐ray diffraction. The coefficient in the a0 direction is 14.6x10−6/°C. Expansion in the c0 direction is 32% greater, with a coefficient of 19.3x10−6/°C. Coefficients of expansion are linear from 25° to 490°C and are comparable with those of tetragonal and orthorhombic PbO. Copyright © 1971, Wiley Blackwell. All rights reserved


Activation Volumes Of Interstitial Diffusion In Ferromagnetic Metals And Alloys, Manfred Wuttig, J. Keiser Jan 1971

Activation Volumes Of Interstitial Diffusion In Ferromagnetic Metals And Alloys, Manfred Wuttig, J. Keiser

Materials Science and Engineering Faculty Research & Creative Works

The Dis accommodation technique was used to determine the activation volumes of carbon diffusion ΔV of a Fe-1.4 wt% Si alloy, of hcp cobalt, and of nickel at the temperatures of -21, 75, and 110°C, respectively. The obtained values of ΔV are +0.3 ± 0.3 and -0.6 ± 0.9 cm3 mole-1 for the two relaxations observed in hcp cobalt, and 1.2 ± 0.1 cm3 mole-1 for nickel. These results are discussed in terms of a continuum model that interprets the activation energy of diffusion as a sum of the strain and exchange energies. It is found that in ferromagnetic solids …


Mixed‐Cation Effect In Silver Borate Glasses, E. N. Boulos, N. J. Kreidl Jan 1971

Mixed‐Cation Effect In Silver Borate Glasses, E. N. Boulos, N. J. Kreidl

Materials Science and Engineering Faculty Research & Creative Works

No abstract provided.


Liquid Viscosity Measurement Using A Buret: An Instructional Technique, Charles A. Sorrell Jan 1971

Liquid Viscosity Measurement Using A Buret: An Instructional Technique, Charles A. Sorrell

Materials Science and Engineering Faculty Research & Creative Works

No abstract provided.


Structure And Properties Of Silver Borate Glasses, E. N. Boulos, N. J. Kreidl Jan 1971

Structure And Properties Of Silver Borate Glasses, E. N. Boulos, N. J. Kreidl

Materials Science and Engineering Faculty Research & Creative Works

Clear glasses form in the system Ag2O‐B2O3 up to about 35 mol% (65 wt%) Ag2O. Infrared absorption, thermal expansion, and density data indicated an analogy to the Na2O‐B2O3 system. Pentaborate‐triborate group pairs appear to be formed on addition of Ag2O to B2O3 up to 20 mol% Ag2O and diborate groups from 20 to 33 mol% Ag2O. This interpretation is supported by the comparison of the infrared absorption spectra of quenched and crystallized glasses. One crystallization product, Ag2O‐4B2O3, was …


On The Activation Entropy Of Interstitial Diffusion In B.C.C. Iron, Manfred Wuttig Jan 1971

On The Activation Entropy Of Interstitial Diffusion In B.C.C. Iron, Manfred Wuttig

Materials Science and Engineering Faculty Research & Creative Works

No abstract provided.


The Effect Of Channel Errors In The Differential Pulse-Code-Modulation Transmission Of Sampled Imagery, Roger J. Arguello, Harvey R. Sellner, John A. Stuller Jan 1971

The Effect Of Channel Errors In The Differential Pulse-Code-Modulation Transmission Of Sampled Imagery, Roger J. Arguello, Harvey R. Sellner, John A. Stuller

Electrical and Computer Engineering Faculty Research & Creative Works

This Paper Presents an Analysis, Simulation, and Discussion of the Effects of Communication Errors on Four-Bit Differential Pulse-Code Modulation (DPCM) Sampled Imagery. Simulations Are Presented that Describe the Effects of Inserting Periodic "PCM Updates" in Order to Correct Communication Errors in the DPCM Transmission of Photographic Scenes that Have Been Scanned and Sampled at the Nyquist Rate. Copyright © 1971 by the Institute of Electrical and Electronics Engineers, Inc.


Population Trends For Indiana —Counties —Cities —Towns 1960–1970, Jean E. Hittle Jan 1971

Population Trends For Indiana —Counties —Cities —Towns 1960–1970, Jean E. Hittle

Indiana Local Technical Assistance Program (LTAP) Publications

This report presents tabulations and rankings that permit a direct comparison of population growth and population totals for city, town and county units.


1971 Handbook Of Facts And Figures On Indiana County Roads—Including Directory Of County Highway Departments, Jean E. Hittle Jan 1971

1971 Handbook Of Facts And Figures On Indiana County Roads—Including Directory Of County Highway Departments, Jean E. Hittle

Indiana Local Technical Assistance Program (LTAP) Publications

This handbook will assist county road officials in the planning of county road operations. The data and information included in this handbook are either statistical or public information which are already available from the official sources, but which needed to be brought together for convenient distribution and use.


Criteria For No-Passing Zones : Technical Paper, Valkenburg Gerald Van, Harold L. Michael Jan 1971

Criteria For No-Passing Zones : Technical Paper, Valkenburg Gerald Van, Harold L. Michael

JTRP Technical Reports

No abstract provided.


Cylindrical Couette Flow Experiments In The Transition Regime, Darryl J. Alofs, George S. Springer Jan 1971

Cylindrical Couette Flow Experiments In The Transition Regime, Darryl J. Alofs, George S. Springer

Mechanical and Aerospace Engineering Faculty Research & Creative Works

Density Distributions Were Measured in Rarefied Argon Contained between Two Concentric Cylinders, the Inner One Rotating, the Outer One Stationary. the Experiments Were Performed with a Mach Number Near Unity, based on the Surface Speed and Surface Temperature of the Rotating Cylinder. Particular Attention Was Focused on Obtaining Data in the Slip and Transition Regimes Where the Knudsen Number, Defined as the Ratio of the Mean Free Path to the Gap Size between the Cylinders, Varied from 0.04 to 1.07. the Density Distributions Were Measured by Observing the Gas Luminescence Induced by the Passage of a Narrow Beam of High …