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Improved collecting apparatus

Description: An improved collecting apparatus for small aquatic or airborne organisms such as plankton, larval fish, insects, etc. The improvement constitutes an apertured removal container within which is retained a collecting bag, and which is secured at the apex of a conical collecting net. Such collectors are towed behind a vessel or vehicle with the open end of the conical net facing forward for trapping the aquatic or airborne organisms within the collecting bag, while allowing the water or air to pass through the apertures in the container. The container is readily removable from the collecting net whereby the collecting bag can be quickly removed and replaced for further sample collection. The collecting bag is provided with means for preventing the bag from being pulled into the container by the water or air following therethrough.
Date: March 5, 1981
Creator: Duncan, C.P.
open access

System for Analyzing Coal-Liquefaction Products

Description: A system for analyzing constituents of coal-derived materials comprises three adsorption columns and a flow-control arrangement which permits separation of both aromatic and polar hydrocarbons by use of two eluent streams. 4 figures.
Date: October 29, 1982
Creator: Dinsmore, Stanley R. & Mrochek, John E.
open access

Low-pressure ion source

Description: A low pressure ion source for a neutron source comprises a filament cathode and an anode ring. Approximately 150V is applied between the cathode and the anode. Other electrodes, including a heat shield, a reflector and an aperture plate with a focus electrode, are placed at intermediate potentials. Electrons from the filament drawn out by the plasma and eventually removed by the anode are contained in a magnetic field created by a magnet ring. Ions are formed by electron impact with deuterium or tritium and are extracted at the aperture in the focus electrode. The ion source will typically generate a 200 mA beam through a 1.25 cm/sup 2/ aperture for an arc current of 10A. For deuterium gas, the ion beam is over 50 percent D/sup +/ with less than 1% impurity. The current density profile across the aperture will typically be uniform to within 20%.
Date: October 27, 1982
Creator: Bacon, F.M.; Brainard, J.P.; O'Hagan, J.B. & Walko, R.J.
open access

Optically active biological particle-distinguishing apparatus

Description: The disclosure is directed to organic particle sorting and identification. High frequency pulses of circularly polarized light, alternating between left and right, intersect a fast moving stream of organic particles. Circular intensity differential scattering and linear intensity differential scattering are monitored to uniquely identify a variety of organic particles.
Date: unknown
Creator: Salzman, G.C. & Kupperman, R.H.
open access

Sonic resonator control and method for determining component concentration in multiple-component liquid

Description: This invention teaches a control to be used in smelting aluminum by the electrolysis breakdown of alumina (Al/sub 2/O/sub 3/) in a molten electrolyte heated to approximately 950 to 1000/sup 0/C. The invention provides a sonic resonator and control that can accurately detect the resonant frequency of the resonator in the molten electrolyte. The resonator preferably is made with tubular side wall 1/4 of the sonic wavelength, or is a quarter wave resonator. A wave generator inputs a signal having a range of frequencies that includes the resonant frequency, so that a peak resonant output at the resonant frequency can be detected on an oscilloscope or like detector. This instantaneous resonant frequency is then checked against an accurate data base correlating the resonant frequencies of the resonator in the electrolyte at specific alumina concentrations normally experienced throughout the electrolysis cycle. The electrolysis cycle can thus be controlled and recharged at any predetermined low alumina concentration greater than where the anode effect phase of the cycle normally might begin.
Date: October 29, 1982
Creator: Shen, S.Y.
open access

Bioremediation of contaminated groundwater

Description: Disclosed is an apparatus and method for in situ remediation of contaminated subsurface soil or groundwater contaminated by chlorinated hydrocarbons. A nutrient fluid (NF) is selected to simulated the growth and reproduction of indigenous subsurface microorganisms capable of degrading the contaminants; an oxygenated fluid (OF) is selected to create an aerobic environment with anaerobic pockets. NF is injected periodically while OF is injected continuously and both are extracted so that both are drawn across the plume. NF stimulates microbial colony growth; withholding it periodically forces the larger, healthy colony of microbes to degrade the contaminants. Treatment is continued until the subsurface concentration of contaminants is acceptable. NF can be methane and OF be air, for stimulating production of methanotrophs to break down chlorohydrocarbons, especially TCE and tetrachloroethylene.
Date: January 1, 1994
Creator: Hazen, T.C. & Fliermans, C.B.
open access

Improved method for preparing rare earth sesquichalcogenides

Description: An improved method for the preparation of high purity rare earth sesquichalcogenides is described. The rare earth, as one or more pieces of the metal, is sealed under a vacuum with a stoichiometric amount of sulfur or selenium and a small amount of iodine into a quartz reaction vessel. The sealed vessel is then heated to above the vaporization temperature of the chalcogen and below the melting temperature of the rare earth metal and maintained until the product has been formed. The iodine is then vaporized off leaving a pure product. The rare earth sulfides and selenides thus formed are useful as semiconductors and as thermoelectric generators. 3 tables.
Date: April 14, 1982
Creator: Takeshita, T.; Beaudry, B. J. & Gschneidner, K. A. Jr.
open access

Geothermal Energy

Description: Geothermal Energy Technology (GET) announces on a bimonthly basis the current worldwide information available on the technologies required for economic recovery of geothermal energy and its use as direct heat or for electric power production.
Date: February 1, 1996
Creator: Steele, B. C.; Harman, G. & Pitsenbarger, J.
open access

U.S. Department of Energy Strategic Plan: 2000

Description: The Department of Energy conducts programs relating to energy resources, national nuclear security, environmental quality, and science. In each of these areas, the US is facing significant challenges. Our economic well-being depends on the continuing availability of reliable and affordable supplies of clean energy. Our Nation's security is threatened by the proliferation of weapons of mass destruction. Our environment is under threat from the demands a more populated planet and the legacies of 20th-century activities. Science and the technology derived from it offer the promise to improve the Nation's health and well-being and broadly expand human knowledge. In conducting its programs, the Department of Energy (DOE) employs unique scientific and technical assets, including 30,000 scientists, engineers, and other technical staff, in a complex of outstanding national laboratories that have a capital value of over $45 billion. Through its multidisciplinary research and development activities and its formidable assemblage of scientific and engineering talent, DOE focuses its efforts on four programmatic business lines: (1) Energy Resources--promoting the development and deployment of systems and practices that provide energy that is clean, efficient, reasonably priced, and reliable. (2) National Nuclear Security--enhancing national security through military application of nuclear technology and by reducing global danger from the potential spread of weapons of mass destruction. (3) Environmental Quality--cleaning up the legacy of nuclear weapons and nuclear research activities, safely managing nuclear materials, and disposing of radioactive wastes. (4) Science--advancing science and scientific tools to provide the foundation for DOE's applied missions and to provide remarkable insights into our physical and biological world. In support of the above four business lines, DOE provides management services to ensure that the technical programs can run efficiently. Our Corporate Management area deals with organizational and management challenges that we must address to better serve our customers, and ultimately, U.S. taxpayers, …
Date: September 1, 2000
open access

Anode Materials for Rechargeable Li-Ion Batteries

Description: This research is on materials for anodes and cathodes in electrochemical cells. The work is a mix of electrochemical measurements and analysis of the materials by transmission electron microscopy and x-ray diffractometry. At present, our experimental work involves only materials for Li storage, but we have been writing papers from our previous work on hydrogen-storage materials.
Date: January 12, 2001
Creator: Fultz, B.
open access

MAGNETIC STRUCTURE AND MAGNETIC IMAGING OF RE{sub 2}Fe{sub 14}B (RE=Nd,Pr) PERMANENT MAGNETS

Description: This chapter aims to review the magnetic structures observed in the RE{sub 2}Fe{sub 14}B (RE = Nd, Pr) system using various TEM magnetic imaging techniques. The authors focus on studies of die-upset Nd-based permanent magnets conducted mainly at Brookhaven National Laboratory in the past several years. Investigations on Nd-Fe-B sintered magnets and single crystals, as well as Pr-Fe-B die-upset magnets also will be covered. In Sec.2 and Sec.3 they review the microstructure, including grain alignment and secondary phases of the materials, and grain boundary structure and composition of the intergranular phase. Sec.4 is devoted to the domain structure, such as the width of domain and domain wall and domain-wall energy. Monte Carlo simulation of the effects of demagnetization fields will be presented in Sec.5. In-situ experiments on the dynamic behavior of domain reorientation as a function of temperature, pinning, grain boundary nucleation related to coercivity under various fields are described in Sec.6. Finally, in Sec.7 the correlation between microstructure and properties are discussed.
Date: April 20, 2000
Creator: Zhu, Y. & Volkov, V. V.
open access

Design specifications for the development of the initial validation software (Version 3.0) for processing of NWTC 80-Meter meteorological tower data

Description: This document describes the design, implementation, and testing of the Initial Validation Software (IVS) for meteorological tower data at the National Renewable Energy Laboratory/National Wind Technology Center. The document outlines all design issues relating to the IVS, including the design process, an outline of the software and testing procedures, and an evaluation of design results after further iterations of the design process.
Date: February 28, 2000
Creator: Johnson, W. & Kelley, N.
open access

Structural alloy with a protective coating containing silicon or silicon-oxide

Description: This invention is comprised of an iron-based alloy containing chromium and optionally, nickel. The alloy has a surface barrier of silicon or silicon plus oxygen which converts at high temperature to a protective silicon compound. The alloy can be used in oxygen-sulfur mixed gases at temperatures up to about 1100{degrees}C.
Date: January 1, 1992
Creator: Natesan, K.
open access

Recovery of UO{sub 2}/PuO{sub 2} in IFR electrorefining process

Description: This invention is comprised of a process for converting PuO{sub 2} and U0{sub 2} present in an electrorefiner to the chlorides, by contacting the PuO{sub 2} and U0{sub 2} with Li metal in the presence of an alkali metal chloride salt substantially free of rare earth and actinide chlorides for a time and at a temperature sufficient to convert the U0{sub 2} and PuO{sub 2} to metals while converting Li metal to Li{sub 2}O. Li{sub 2}O is removed either by reducing with rare earth metals or by providing an oxygen electrode for transporting 0{sub 2} out of the electrorefiner and a cathode, and thereafter applying an emf to the electrorefiner electrodes sufficient to cause the Li{sub 2}O to disassociate to 0{sub 2} and Li metal but insufficient to decompose the alkali metal chloride salt. The U and Pu and excess lithium are then converted to chlorides by reaction with CdCl{sub 2}.
Date: January 1, 1992
Creator: Tomczuk, Z. & Miller, W. E.
open access

Transcript of Commission on Structural Alternatives for the Federal Courts of Appeals Hearing: May 29, 1998

Description: Transcript of a public hearing held by the Commission on Structural Alternatives for the Federal Courts of Appeals held May 29, 1998 in San Francisco, California. This hearing includes testimonies from judges and attorneys of the Ninth Circuit Court of Appeals on the proposed division of the Ninth Circuit.
Date: May 29, 1998
Creator: United States. Administrative Office of the United States Courts.
open access

Transcript of Commission on Structural Alternatives for the Federal Courts of Appeals Hearing: March 23, 1998

Description: Transcript of a public hearing held by the Commission on Structural Alternatives for the Federal Courts of Appeals held March 23, 1998 in Atlanta, Georgia. This hearing includes testimony from judges and attorneys of the Eleventh Circuit U.S. Court of Appeals on the possible restructuring of the Eleventh Circuit Court.
Date: March 23, 1998
Creator: United States. Administrative Office of the United States Courts.
open access

Transcript of Commission on Structural Alternatives for the Federal Courts of Appeals Hearing: April 24, 1998

Description: Transcript of a public hearing held by the Commission on Structural Alternatives for the Federal Courts of Appeals held April 16,1998 in New York. This hearing includes testimony from judges and attorneys of the Ninth Circuit Court of Appeals on the topic of the restructuring and possible division of the Ninth Circuit.
Date: April 16, 1998
Creator: United States. Administrative Office of the United States Courts.
open access

Transcript of Commission on Structural Alternatives for the Federal Courts of Appeals Hearing: May 27, 1998

Description: Transcript of a public hearing held by the Commission on Structural Alternatives for the Federal Courts of Appeals held May 27, 1998 in Seattle, Washington. This hearing includes testimony from judges and attorneys of the Ninth Circuit Court of Appeals. It also includes testimony from Washington Senator Slade Gorton and Governor of Washington, Gary Locke.
Date: May 27, 1998
Creator: United States. Administrative Office of the United States Courts.
open access

Transcript of Commission on Structural Alternatives for the Federal Courts of Appeals Hearing: April 3, 1998

Description: Transcript of a public hearing held by the Commission on Structural Alternatives for the Federal Courts of Appeals held April 3, 1998 in Chicago, Illinois. This hearing includes testimony from judges, attorneys, and officials of the Ninth and Seventh Circuit U.S. Court of Appeals on the possible restructuring of the Ninth Circuit Court. It also includes testimony from William Richman, a Professor of Law, and Peter Jon Simpson on behalf of the Christian Legal Education Association.
Date: April 3, 1998
Creator: United States. Administrative Office of the United States Courts.
open access

Transcript of Commission on Structural Alternatives for the Federal Courts of Appeals Hearing: March 25, 1998

Description: Transcript of a public hearing held by the Commission on Structural Alternatives for the Federal Courts of Appeals held March 25, 1998 in Dallas, Texas. This hearing includes testimony from judges and an attorney of the Fifth Circuit U.S. Court of Appeals on the possible restructuring of the Fifth Circuit.
Date: March 25, 1998
Creator: United States. Administrative Office of the United States Courts.
open access

Environmental Biosciences Program Second Quarter Report

Description: In May 2002, the United States Department of Energy (DOE) signed Assistance Instrument Number DE-FC09-02CH11109 with the Medical University of South Carolina (MUSC) to support the Environmental Biosciences Program (EBP). This funding instrument replaces DOE Assistance Instrument Number DE-FC02-98CH10902. EBP is an integrated, multidisciplinary scientific research program, employing a range of research initiatives to identify, study and resolve environmental health risks. These initiatives are consistent with the MUSC role as a comprehensive state-supported health sciences institution and with the nation's need for new and better approaches to the solution of a complex and expansive array of environment-related health problems. The intrinsic capabilities of a comprehensive health sciences institution enable MUSC to be a national resource for the scientific investigation of environmental health issues. EBPs success as a nationally prominent research program is due, in part, to its ability to task-organize scientific expertise from multiple disciplines in addressing these complex problems Current research projects have focused EBP talent and resources on providing the scientific basis for risk-based standards, risk-based decision making and the accelerated clean-up of widespread environmental hazards. These hazards include trichloroethylene (TCE), polychlorinated biphenyls (PCBs), asbestos and low-dose ionizing radiation. A project is also being conducted in the use of geographical information system technology to analyze population health risks related to environmental hazards as a tool for risk-based decision-making.
Date: December 31, 2003
Creator: Mohr, Lawrence C.
open access

Relationship of Course Woody Debris to Red-Cockaded Woodpecker Prey Diversity and Abundance

Description: The abundance of diversity of prey commonly used by the red-cockaded woodpecker were monitored in experimental plots in which course woody debris was manipulated. In one treatment, all the woody debris over four inches was removed. In the second treatment, the natural amount of mortality remained intact. The overall diversity of prey was unaffected; however, wood roaches were significantly reduced by removal of woody debris. The latter suggests that intensive utilizations or harvesting practices may reduce foraging.
Date: September 3, 1999
Creator: Horn, G.S.
open access

ELECTROMOTIVE FORCE, EMF (CELLS)

Description: The voltage or electric potential difference across the terminals of a cell when no current is drawn from it. The emf of a cell is the sum of the electric potential differences (PDs) produced by a separation of charges (electrons or ions) that can occur at each phase boundary (or interface) in the cell. The magnitude of each PD depends on the chemical nature of the two contacting phases. Thus, at the interface between two different metals, some electrons will have moved from the metal with a higher free energy of electrons to the metal with a lower free energy of electrons. The resultant charge separation will produce a PD (just as charge separation produces a voltage across a capacitor) that, at equilibrium, exactly opposes further electron flow. Similarly, PDs can be produced when electrons partition across a metal/solution interface or metal/solid interface, and when ions partition across a solution/membrane/solution interface.
Date: September 16, 1998
Creator: Archer, M. D. & Feldberg, S. W.
open access

NUCLEAR ENERGY RESEARCH INITIATIVE (NERI) PROGRAM GRANT NUMBER DE-FG03-00SF22168 TECHNICAL PROGRESS REPORT (Aug 15, 2002 to Nov. 15, 2002) - DESIGN AND LAYOUT CONCEPTS FOR COMPACT, FACTORY-PRODUCED, TRANSPORTABLE GENERATION IV REACTOR SYSTEMS

Description: The objectives of this project are to develop and evaluate nuclear power plant designs and layout concepts to maximize the benefits of compact modular Generation IV reactor concepts including factory fabrication and packaging for optimal transportation and siting. This report covers the ninth quarter of the project. The three reactor concept teams have completed initial plant concept development, evaluation and layout. A significant design effort has proceeded with substantial change and evolution from original ideas. The concepts have been reviewed by the industry participants and improvements have been implemented. The third phase, industrial engineering simulation of reactor fabrication has begun.
Date: December 15, 2002
Creator: Mynatt, Fred R.; Kadak, Andy; Berte, Marc; Miller, Larry; Townsend, Lawrence; Williamson, Martin et al.
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