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Proposed Cross-Florida Barge Canal: Water Quality Aspects with a Section on Waste-Assimilative Capacity

Description: Abstract: The route of the partly completed Cross-Florida Barge Canal follows the St. Johns, Oklawaha and Withlacoochee Rivers. If the canal is ┬Ěcompleted, the Summit Reach, connecting the Oklawaha and Withlacoochee Rivers will be excavated into the Floridan aquifer. Large springs that discharge from this limestone and dolomite aquifer flow to the Oklawaha and Withlacoochee Rivers.
Date: February 1976
Creator: Merritt, M. L.
Partner: UNT Libraries Government Documents Department

Chemical Action of Halogenated Agents in Fire Extinguishing

Description: From Summary: "The action of halogenated agents in preventing flame propagation in fuel-air mixtures in laboratory tests is discussed in terms of a possible chemical mechanism. The mechanism chosen is that of chain-breaking reactions between agent and active particles (hydrogen and oxygen atoms and hydroxyl radicsls). Data from the literature on the flammability peaks of n-heptane agent-air mixtures are treated. Ratings of agent effectiveness in terms of the fuel equivalent of the agent, based on both fuel and agent concentrations at the peak, are proposed as preferable to ratings in terms of agent concentration alone."
Date: September 1955
Creator: Belles, Frank E.
Partner: UNT Libraries Government Documents Department

A method for the analysis of compounds containing boron, carbon, and hydrogen

Description: Report presenting a method for analyzing each of the elements, boron, carbon, and hydrogen from the quantitative analysis of a single sample of an organoboron compound. The method is helpful for the analysis of volatile hydrocarbons and polynuclear aromatic compounds.
Date: March 3, 1955
Creator: Allen, Harrison, Jr. & Tannenbaum, Stanley
Partner: UNT Libraries Government Documents Department

Vapor pressures of concentrated nitric acid solutions in the composition range 83 to 97 percent nitric acid 0 to 6 percent nitrogen dioxide, 0 to 15 percent water, and in the temperature range 20 to 80 C

Description: Report presenting total vapor pressures for 28 acid mixtures of the ternary system nitric acid, nitrogen dioxide, and water within a range of temperatures and compositions.
Date: September 17, 1953
Creator: McKeown, A. B. & Belles, Frank E.
Partner: UNT Libraries Government Documents Department

Preparation and physical properties of some trialkylboranes

Description: Report presenting the preparation and properties of triethylborane, tri-n-propylborane, and tri-n-butylborane from boron triflouride and the appropriate Grignard reagent. Some of the characteristics examined included the freezing point, heat of fusion, boiling point, heat of combustion, refractive index, density, dielectric constant, and infrared spectra.
Date: November 1, 1955
Creator: Rosenblum, Louis & Allen, Harrison, Jr.
Partner: UNT Libraries Government Documents Department

Burning times of magnesium ribbons in various atmospheres

Description: Report presenting some details of the physical mechanism of the combustion of magnesium ribbon and burning times for magnesium ribbons with various mixtures of oxygen in argon, nitrogen, helium, and argon-water vapor. Results regarding the types of gaseous reactions that occurred are also provided.
Date: December 1954
Creator: Coffin, Kenneth P.
Partner: UNT Libraries Government Documents Department

Synthesis of cyclopropane hydrocarbons from methylcyclopropyl ketone 3: 2-cyclopropyl-1-butene, cis and trans 2-cyclopropyl-2-butene, and 2-cyclopropylbutane

Description: From Summary: "The hydrocarbons - 2-cyclopropyl-1-butene, cis and trans 2-cyclopropyl-2-butene, and 2-cyclopropylbutane - were obtained from methylcyclopropyl ketone by reacting the ketone with ethylmagnesium bromide, dehydrating the resultant methylethylcyclopropylcarbinol to a mixture of olefins from which 2-cyclopropyl-1-butene and cis and trans 2-cyclopropyl-2-butene were isolated, and hydrogenating the olefins to 2-cyclopropylbutane. All four hydrocarbons were obtained in high purity for the first time; their physical constants and infrared spectra are presented."
Date: June 1951
Creator: Slabey, Vernon A. & Wise, Paul H.
Partner: UNT Libraries Government Documents Department

Synthesis and hydrolysis-rate studies of decaborane derivatives

Description: From Summary: "A series of experiments involving the reaction of water with decaborane and HEF-3, a borane fuel consisting mainly of ethyldecaborane, was performed. The results show that the presence of one alkyl group on the decaborane nucleus inhibits the hydrolysis reaction significantly and that the hydrolysis rate can be increased by using an acidic hydrolysis mixture. Two diiododecaborane isomers were prepared for use as intermediates in proposed dimethyldecaborane syntheses, and their melting points, molecular weights, and solubilities in certain solvents were determined."
Date: October 8, 1957
Creator: Lucas, D. & Lipschitz, A.
Partner: UNT Libraries Government Documents Department

Spatial Burnout in Water Reactors with Nonuniform Startup Distributions of Uranium and Boron

Description: Spatial burnout calculations have been made of two types of water moderated cylindrical reactor using boron as a burnable poison to increase reactor life. Specific reactors studied were a version of the Submarine Advanced Reactor (sAR) and a supercritical water reactor (SCW) . Burnout characteristics such as reactivity excursion, neutron-flux and heat-generation distributions, and uranium and boron distributions have been determined for core lives corresponding to a burnup of approximately 7 kilograms of fully enriched uranium. All reactivity calculations have been based on the actual nonuniform distribution of absorbers existing during intervals of core life. Spatial burnout of uranium and boron and spatial build-up of fission products and equilibrium xenon have been- considered. Calculations were performed on the NACA nuclear reactor simulator using two-group diff'usion theory. The following reactor burnout characteristics have been demonstrated: 1. A significantly lower excursion in reactivity during core life may be obtained by nonuniform rather than uniform startup distribution of uranium. Results for SCW with uranium distributed to provide constant radial heat generation and a core life corresponding to a uranium burnup of 7 kilograms indicated a maximum excursion in reactivity of 2.5 percent. This compared to a maximum excursion of 4.2 percent obtained for the same core life when w'anium was uniformly distributed at startup. Boron was incorporated uniformly in these cores at startup. 2. It is possible to approach constant radial heat generation during the life of a cylindrical core by means of startup nonuniform radial and axial distributions of uranium and boron. Results for SCW with nonuniform radial distribution of uranium to provide constant radial heat generation at startup and with boron for longevity indicate relatively small departures from the initially constant radial heat generation distribution during core life. Results for SAR with a sinusoidal distribution rather than uniform axial distributions of ...
Date: March 23, 1955
Creator: Fox, Thomas A. & Bogart, Donald
Partner: UNT Libraries Government Documents Department

Heat of Combustion of the Product Formed by the Reaction of Diborane with 1,3-Butadiene

Description: Report presenting the net heat of combustion of the product formed by the reaction of diborane with 1,3-butadiene was found to be 18,700 plus or minus 150 Btu per pound for the reaction of liquid fuel to gaseous carbon dioxide, gaseous water, and solid boric oxide. The measurements were made in a Parr oxygen-bomb calorimeter, and the combustion was believed to be 98 percent complete.
Date: January 1, 1953
Creator: Tannenbaum, Stanley & Allen, Harrison, Jr.
Partner: UNT Libraries Government Documents Department

Heat of Combustion of the Product Formed by the Reaction of Acetylene and Diborane (LFPL-CZ-3)

Description: The heat of combustion of the product formed by the reaction acetylene and diborane was found to be 20,100 +/- 100 Btu per pound for the reaction of liquid fuel to gaseous carbon dioxide, gaseous water, and solid boric oxide. The measurements were made in a Parr oxygen-bomb calorimeter, and chemical analyses both of the sample and of the combustion products indicated combustion in the bomb calorimeter to have been 97 percent complete. The estimated net heat of combustion for complete combustion would therefore be 20,700 +/- 100 Btu per pound.
Date: October 24, 1957
Creator: Allen, Harrison, Jr. & Tannenbaum, Stanley
Partner: UNT Libraries Government Documents Department

Effects of chemically active additives on boundary lubrication of steel by silicones

Description: Report presenting an investigation of a method of improving the lubricating quality of silicones by providing chemically active additives. The conventional additives were not effective, but more active materials like peroxide did provide effective lubrication.
Date: August 1954
Creator: Murray, S. F. & Johnson, Robert L.
Partner: UNT Libraries Government Documents Department

Influence of chemical composition on rupture properties at 1200 degrees F of forged chromium-cobalt-nickel-iron base alloys in solution-treated and aged condition

Description: From Summary: "The influence of systematic variations of chemical composition on rupture properties at 1200 degrees F. was determined for 62 modifications of a basic alloy containing 20 percent chromium, 20 percent nickel, 20 percent cobalt, 3 percent molybdenum, 2 percent tungsten, 1 percent columbium, 0.15 percent carbon, 1.7 percent manganese, 0.5 percent silicon, 0.12 percent nitrogen and the balance iron. These modifications included individual variations of each of 10 elements present and simultaneous variations of molybdenum, tungsten, and columbium. Laboratory induction furnace heats were hot-forged to round bar stock, solution-treated at 2200 degrees F., and aged at 1400 degrees F."
Date: October 26, 1949
Creator: Reynolds, E. E.; Freeman, J. W. & White, A. E.
Partner: UNT Libraries Government Documents Department

Use of highly reactive chemical additives to improve afterburner performance at altitude

Description: Report presenting an investigation in an altitude test chamber to evaluate the use of highly reactive chemicals injected into a turbojet afterburner to promote the combustion process. The chemicals evaluated were commercial hydrogen and aluminum trimethyl. Results regarding the afterburner efficiency, afterburner stability limits, afterburner-outlet total temperature, and an application of the results to other systems are provided.
Date: September 30, 1958
Creator: Wanhainen, John P. & Sivo, Joseph N.
Partner: UNT Libraries Government Documents Department

Lubricants of reduced flammability

Description: Report presenting information regarding lubricants of reduced flammability, including the determination of the change in spontaneous ignition temperature, stability testing, and a practical method for synthesizing them.
Date: January 1954
Creator: Frank, Charles E.; Swarts, Donald E. & Mecklenborg, Kenneth T.
Partner: UNT Libraries Government Documents Department

Reaction processes leading to spontaneous ignition of hydrocarbons

Description: Report presenting testing of the vapor-oxidation of iscooctane at 550 degrees Celsius under conditions leading to rapid quenching of the reaction yielding hydrogen peroxide, diiosbutylene, and isobutylene as the major reaction products. Results regarding isooctane, n-Heptane, 2,2,5-Trimethylhexane, isobutane, and hydrogen-peroxide formation are provided.
Date: June 1953
Creator: Frank, Charles E. & Blackham, Angus U.
Partner: UNT Libraries Government Documents Department

Thermodynamic charts for the computation of fuel quantity required for constant-pressure combustion with diluents

Description: Report presenting charts for calculating the quantity of hydrocarbon fuel required to attain a specific combustion temperature when water, alcohol, water-alcohol mixtures, liquid ammonia, liquid carbon dioxide, liquid nitrogen, liquid oxygen, or their mixtures are added to air as diluents or refrigerants.
Date: July 1948
Creator: Bogart, Donald; Okrent, David & Turner, L. Richard
Partner: UNT Libraries Government Documents Department

Thermal reaction of diborane with trimethylborane

Description: Report presenting testing of diborane and trimethylbornae in a tube at 235 to 300 degrees Celsius in the presence of hydrogen. Methylpentaboranes were produced and separated in a specially designed vacuum fractionation column. Results indicated that two isomers of monomethylpentaborane were isolated and that one had not been previously reported on.
Date: September 4, 1958
Creator: Lamneck, John H., Jr. & Kaye, Samuel
Partner: UNT Libraries Government Documents Department

Chemical and Physical Properties of Modified Hi-Cal-2

Description: Memorandum presenting some physical and chemical properties of a sample of modified Hi-Cal-2. Some of the results obtained include chemical analysis, heat of combustion, density, freezing point, self-ignition temperature, flash point, oxygen stability, water stability test, infrared spectrum, and vapor pressure and decomposition are provided.
Date: December 1955
Creator: Allen, Harrison, Jr.; McDonald, Glen E. & Pusanski, Barbara J.
Partner: UNT Libraries Government Documents Department

PROCEEDINGS OF THE SYMPOSIUM COMMEMORATING THE 25th ANNIVERSARY OF ELEMENTS 97 and 98 HELD ON JAN. 20, 1975

Description: This volume includes the talks given on January 20, 1975, at a symposium in Berkeley on the occasion of the celebration of the 25th anniversary of the discovery of berkelium and californium. Talks were given at this symposium by the four people involved in the discovery of these elements and by a number of people who have made significant contributions in the intervening years to the investigation of their nuclear and chemical properties. The papers are being published here, without editing, in the form in which they were submitted by the authors in the months following the anniversary symposium, and they reflect rather faithfully the remarks made on that occasion.
Date: July 1, 1976
Creator: Seaborg, Glenn T.; Street Jr., Kenneth; Thompson, Stanley G. & Ghiorso, Albert
Partner: UNT Libraries Government Documents Department

Vapor pressures and calculated heats of vaporization of concentrated nitric acid solutions in the composition range 71 to 89 percent nitrogen dioxide, 1 to 10 percent water, and in the temperature range 10 to 60 degrees C

Description: From Summary: "Total vapor pressures were measured for 16 acid mixtures of the ternary system nitric acid, nitrogen dioxide, and water within the temperature range 10 degrees to 60 degrees Celsius, and with the composition range 71 to 89 weight percent nitric acid, 7 to 20 weight percent nitrogen dioxide, and 1 to 10 weight percent water. Heats of vaporization were calculated from the vapor pressure measurements for each sample for the temperatures 25, 40, and 60 degrees Celsius. The ullage of the apparatus used for the measurements was 0.46. Ternary diagrams showing isobars as a function of composition of the system were constructed from experimental and interpolated data for the temperatures 25, 40, 45, and 60 degrees C and are presented herein."
Date: February 5, 1954
Creator: McKeown, A. B. & Belles, Frank E.
Partner: UNT Libraries Government Documents Department

Chain breaking and branching in the active-particle diffusion concept of quenching

Description: From Summary: "General quenching-distance equations were derived as extensions of the original simple theory of quenching by diffusion of active particles. These equations take into account the possibility of gas-phase chain breaking and branching and the effect of the efficiency of the walls to destroy active particles. The general characteristics of the equations were examined."
Date: February 1955
Creator: Belles, Frank E. & Berlad, A. L.
Partner: UNT Libraries Government Documents Department