Resource Type
Partner
Collection
Office of Scientific & Technical Information Technical Reports
781
Congressional Research Service Reports
122
Government Accountability Office Reports
70
Technical Report Archive and Image Library
44
TRAIL Microcard Collection
22
National Advisory Committee for Aeronautics Collection
17
Texas State Publications
15
Harris and Eliza Kempner
5
LGBT Collections
2
Texas Stonewall Democratic Caucus Papers (The Dallas Way)
2
2 More
Serial/Series Title
Atomic Energy Commission Reports
14
NACA Research Memorandums
14
Texas Motor Vehicle Traffic Accident Summaries
8
Oak Ridge National Laboratory Reports
6
CF (Series)
5
Personal Papers (MS 80-0002)
5
CRS Issue Briefs
4
MUSC Environmental Biosciences Progress Report
4
113th Congress
3
NACA Technical Reports
3
67 More
Country
Decade
Month
Day
Language
1,041 Matching Results
Results open in a new window/tab.
Results:
1 - 24 of
1,041
next
The quiescent-chamber type compression-ignition engine
Report presents the results of performance tests of a single-cylinder 4-stroke-cycle compression-ignition engine having a vertical disk form of combustion chamber without air flow. The number, size, and direction of the orifices of the fuel-injection nozzles used were independently varied. A table and graphs are presented showing the performance of the engine with different nozzles; results of tests at different compression ratios, boost pressures, and coolant temperatures are also included.
Date:
April 30, 1936
Creator:
Foster, H. H.
System:
The UNT Digital Library
An Attempted Separation of Mercury Isotopes
The following document describes the analysis on an attempt at separating mercury isotopes by making their environments as widely different as possible.
Date:
April 30, 1942
Creator:
Kauzmann, Walter, 1916-
System:
The UNT Digital Library
Exposure history of discharged metal
None
Date:
April 30, 1945
Creator:
Menegus, R.L.
System:
The UNT Digital Library
Unwatering and sampling of the Kirk Mine, Gilpin County, Colorado
Two parts of a report. Part I is regarding unwatering and sampling of the Kirk mine. Part II discusses the geology of kirk mine. Kirk mine is located in Gilpin County, Colorado.
Date:
April 30, 1945
Creator:
Hill, J. M.; Selfridge, G. C.; George, D. R. & Guillotte, G. B.
System:
The UNT Digital Library
Application of an ultraviolet spectrophotometric method to the estimation of alkylnaphthalenes in 10 experimental jet-propulsion fuels
Report presenting the combustion efficiencies of 10 experimental jet-propulsion fuels that are approximately 200 degrees Fahrenheit cuts of five selected crudes available in large quantities in a turbojet engine combustor at altitude conditions.
Date:
April 30, 1947
Creator:
Cleaves, Alden P. & Carver, Mildred S.
System:
The UNT Digital Library
Progress Report for the Month of April, 1947
This report covers progress in chemical and spectrographic analysis, chemical work, beta-counting methods of analysis, and ore-dressing and pyrometallurgical studies.
Date:
April 30, 1947
Creator:
Center, E. J.; Nelson, H. R.; Pray, H. A. & Richardson, A. C.
System:
The UNT Digital Library
Investigation to determine contraction ratio for supersonic-compressor rotor
Report presenting a method for applying the limited contraction ratio to obtain the maximum allowable blade thickness of a two-dimensional model of a supersonic-compressor rotor.
Date:
April 30, 1948
Creator:
Wright, Linwood C.
System:
The UNT Digital Library
Relation of Nozzle-Blade and Turbine-Bucket Temperatures to Gas Temperatures in a Turbojet Engine
Memorandum presenting an investigation conducted to determine experimentally turbine-nozzle-blade and turbine-bucket temperatures in a turbojet engine and to correlate these temperatures with the gas temperatures. Data were obtained over the normal range of engine speeds and with two tail-pipe-nozzle areas. Results regarding basic data, turbine-nozzle-blade temperature distribution, turbine-bucket-temperature distribution, temperature distribution of gas at burner-outlet, turbine-bucket temperatures during starting, and relation of material and gas temperatures are provided.
Date:
April 30, 1948
Creator:
Farmer, J. Elmo
System:
The UNT Digital Library
A Summary and Analysis of Wind-Tunnel Data on the Lift and Hinge-Moment Characteristics of Control Surfaces Up to a Mach Number of 0.90
Report presenting an extensive collection of lift and hinge-moment characteristics of control surfaces up to a Mach number of 0.90 in a high-speed wind tunnel. A wide variety of control-surface profiles, plan forms, and aerodynamic balances are included. Results regarding elevator hinge moments and longitudinal control, aileron hinge moments and lateral control, control-surface characteristics, and transonic flutter are highlighted.
Date:
April 30, 1948
Creator:
Axelson, John A.
System:
The UNT Digital Library
The Effects of Roentgen Rays on Adult Trout
None
Date:
April 30, 1949
Creator:
Welander, Arthur D.; Donaldson, Lauren R.; Foster, Richard F.; Bonham, Kelshaw; Seymour, Allyn H. & Lowman, Frank G.
System:
The UNT Digital Library
Equations of State of Elements Based on the Generalized Fermi-Thomas Theory
The Fermi-Thomas model has been used to derive the equation of state of matter at high pressures and at various temperatures. Calculations have been carried out both without and with the exchange terms. Discussion of similarity transformations lead to the virial theorem and to correlation of solutions for different Z-values.
Date:
April 30, 1949
Creator:
Feynman, R. P.; Metropolis, N. & Teller, E.
System:
The UNT Digital Library
The Machinability of Beryllium
The following report investigates the isolation of the cause of the unusual tool-wear rates found in machining beryllium as attributed to an inherent characteristic of beryllium, or an effect of inclusions in beryllium, as well as the evaluation of the comparative machinability of the various types of beryllium.
Date:
April 30, 1949
Creator:
Armstrong, E. T.; Dayton, Russell Wendt & Dawes, R. C.
System:
The UNT Digital Library
Design and performance of an experimental axial-discharge mixed-flow compressor 3: over-all performance of impeller and supersonic-diffuser combination
Report presenting an investigation of an axial-discharge impeller in combination with a 16-vaned supersonic diffuser cascade over a range of flow conditions at equivalent tip speeds varying from 800 to 1600 feet per second. Results regarding the overall performance of the combination, starting of diffuser cascade, use of flow bleedoff to aid starting, radial distribution of flow angle, flow characteristics within diffuser, and efficiency of diffuser cascade are provided.
Date:
April 30, 1951
Creator:
Wilcox, Ward W. & Robbins, William H.
System:
The UNT Digital Library
Effect of Fuel Volatility on Performance of Tail-Pipe Burner
Fuels having Reid vapor pressures of 6.3 and 1.0 pounds per square inch were investigated in a tail-pipe burner on an axial-flow-type turbojet engine at a simulated flight Mach number of 0.6 and altitudes from 20,000 to 45,000 feet. With the burner configuration used in this investigation, having a mixing length of only 8 inches between the fuel manifold and the flame holder, the low-vapor-pressure fuel gave lower combustion efficiency at a given tail-pipe fuel-air ratio. Because the exhaust-nozzle area was fixed, the lower efficiency resulted in lower thrust and higher specific fuel consumption. The maximum altitude at which the burner would operate was practically unaffected by the change in fuel volatility.
Date:
April 30, 1951
Creator:
Barson, Zelmar & Sargent, Arthur F., Jr.
System:
The UNT Digital Library
Heath-Physics Monthly Information Report
None
Date:
April 30, 1951
Creator:
Bradley, J. E. & Burbage, J. J.
System:
The UNT Digital Library
Hydrides and Metal-Hydrogen Systems. Final Report
The work reported deals with the preparation and physical properties, especially thermal dissociation pressures, and densities of hydrides, hydrogen- metal systems, and mixtures of hydrides with other substances. Possible applicatlons as moderators, high-temperature neutron shields, and low-temperature shields are cited and design problems discussed. Most of the data on dissociation pressures cover ranges and compounds not hltherto explored because of experimental difficulties and the basic knowledge of the thermal behavior of hydrides was substantially increased. New hydrldes were prepared and several reported in the literature were shown not to exist. The following compounds, mixtures, and systems were studled: Tl-H, U-H, Ll-H, Na-H, Ca-H, Ba-H, Th-H, Sr- H; NaH-NaF, NaH-NaOH, NaH-CaH/, LlH-LiF, CaH/sub 2/-CaF/sub 2/, CaH/sub 2/-CaC/ sub 2/,CaH/sub 2/-Ca/sub 3/N/sub 2/; FeH/sub 3/ (alleged), NiH/sub 2/ (alleged), Ti(BH/sub 4/)/sub 3/, Th(BH/sub 4/)/sub 4/, WH/sub 4/ (attempted), W(BH/sub 4/)/ sub 4/ (attempted), /sub 4/NBH/sub 4/, (CH , and ydrides are ing an N/sub H/ comparable to water yet stable at red heat, compounds giving a neutron shield weight less than half that of water, and compounds suitable for use as hightemperature moderators containing large amounts of hydrogen. (auth)
Date:
April 30, 1951
Creator:
Gibb, T. R. P., Jr.
System:
The UNT Digital Library
Preliminary evaluation of the air and fuel specific-impulse characteristics of several potential ram-jet fuels 1: octene-1, aluminum, and aluminum - octene-1 slurries
Report presenting a preliminary analytical evaluation of the air and fuel specific-impulse characteristics of octene-1, aluminum, and aluminum-octene-1 slurries. The adiabatic combustion flame temperature, combustion equilibrium-gas composition, air specific impulse, and fuel-weight specific impulse are presented for each fuel. Aluminum-octene-1 slurries were found to offer a means of increasing the limited air specific impulse values available with octene-1 or hydrocarbon-type fuels.
Date:
April 30, 1951
Creator:
Gammon, Benson E.
System:
The UNT Digital Library
The Synthetic Liquid Fuel Potential of Alabama
Report documenting the suitability of Alabama for plant locations to produce synthetic liquid fuels, based on raw materials, coal, natural gas, and oil-impregnated strippable deposits.
Date:
April 30, 1951
Creator:
Ford, Bacon, and Davis
System:
The UNT Digital Library
Determination of Oxygen in Sodium
Abstract: "A method has been developed for the determination of sodium monoxide in sodium which depends upon the reaction between sodium and n-butyl bromide in hexane solution. The sodium monoxide does not react with the reagent and can be determined, after the addition of water, by titration. The method is comparatively rapid, requires only the simplest of equipment, and it has the advantage that both oxygen and other impurities can be determined on the same sample."
Date:
April 30, 1952
Creator:
White, J. C.; Ross, W. J. & Rowan, R., Jr.
System:
The UNT Digital Library
ELECTROMAGNETICALLY ENRICHED ISOTOPES, INVENTORY, APRIL 30, 1952
None
Date:
April 30, 1952
Creator:
Keim, C.P.; Normand, C.E. & Weaver, B.
System:
The UNT Digital Library
Recovery of Nitrogen Oxides and Rare Gas Fission Products From the Nitric Acid Dissolution of Irradiated Uranium
From abstract: "Data obtained in laboratory studies of the 'fumelses dissolving' of irradiated uranium are presented. Procedures for handling dissolver off-gases are proposed."
Date:
April 30, 1952
Creator:
Gresky, A. T.; Snyder, M. D.; Blair, J. A.; Lovelace, R. C.; Corbin, L. T. & Tyson, W. R.
System:
The UNT Digital Library
Recovery of Nitrogen Oxides and Rare Gas Fission Products From the Nitric Acid Dissolution of Irradiated Uranium
Procedures for the handling and recovery of nitrogen oxides and rare-gas fission products from the nitric acid dissolution of irradiated uranium are described. (C.J.G.)
Date:
April 30, 1952
Creator:
Gresky, A.T.
System:
The UNT Digital Library
Small Source Model of a Thermal Pile
Report discussing the use of a small-source approximation for engineering calculation of thermal piles. Explanation for how this type of approximation is more appropriate in certain problematic situations where a homogenization approximation would be doubtful is given.
Date:
April 30, 1952
Creator:
Horning, W. A.
System:
The UNT Digital Library
Values of Resonance Integrals
The following report provides value tables of resonance intervals for various elements and materials.
Date:
April 30, 1952
Creator:
Wilson, E. S.
System:
The UNT Digital Library