The Thermal Cycling Absorption Process (TCAP) is used to separate isotopes of hydrogen. TCAP involves passing a stream of mixed hydrogen isotopes through palladium deposited on kieselguhr (Pd/k) while cycling the temperature of the Pd/k. Kieselguhr is a s...
National Technical Information Service (NTIS)
Two prototype Thermal Cycling Absorption Process (TCAP) columns have been metallurgically examined after retirement, to determine the causes of failure and to evaluate the performance of the column container materials in this application. Leaking of the f...
Two alternate Thermal Cycling Absorption Process (TCAP) designs have been developed for the Tritium Facility Modernization and Consolidation (TFM and C) Project. The alternate designs were developed to improve upon the existing Replacement Tritium Facility (RTF) TCAP design and to eliminate the use of building ...
DOE Information Bridge
SRS uses the Thermal Cycling Absorption Process (TCAP) to separate isotopes of hydrogen. The frequency of thermal cycles is a limit of the productivity of the process and that frequency is largely determined by the thermal diffusivity of the absorbent material. For a given tube diameter, a larger thermal ...
Two prototype Thermal Cycling Absorption Process (TCAP) columns have been metallurgically examined after retirement, to determine the causes of failure and to evaluate the performance of the column container materials in this application. Leaking of the fluid heating and cooling subsystems caused retirement of both ...
Energy Citations Database
The Thermal Cycling Absorption Process (TCAP) was further studied with a new configuration. Previous configuration used a palladium packed column and a plug flow reverser (PFR). This new configuration uses an inverse column to replace the PFR. The goal was to further improve performance. Both configurations were experimentally tested. ...
The Thermal Cycling Absorption Process (TCAP) will be used in the Replacement Tritium Facility (RTF) and 232-H Tritium Facility for separation of hydrogen isotopes. These TCAP units will be filled with palladium deposited on kieselguhr (Pd/k) that has been heat treated to reduce particle breakdown and sieved to ...
The isotopic effect of palladium has been applied in different ways to separate hydrogen isotopes for many years. At Savannah River Site palladium deposited on kieselguhr (Pd/k) is used in a thermal cycling absorption process (TCAP) to purify tritium for ...
A thermal cycling absorption process (TCAP) for hydrogen isotope separation has been in operation at Savannah River Site since 1994. The process uses a hot/cold nitrogen system to cycle the temperature of the separation column. The hot/cold nitrogen system requires the use of large compressors, heat exchanges, ...
Production scale separation of tritium from other hydrogen isotopes at the Savannah River Site (SRS) in Aiken, SC, has been accomplished by several methods. These methods include thermal diffusion (1957--1986), fractional absorption (1964--1968), and cryogenic distillation (1967-present). Most recently, the Thermal Cycling Absorption ...
Pd/k is a hydride forming packing material which is used in the Thermal Cycling Absorption Process (TCAP). Palladium is supported on kieselguhr to create a packing material which will provide adequate void space to prevent excessive pressure drops and flo...
The isotopic effect of palladium has been applied in different ways to separate hydrogen isotopes for many years. At Savannah River Site palladium deposited on kieselguhr (Pd/k) is used in a thermal cycling absorption process (TCAP) to purify tritium for over ten years. The need to design columns for different throughputs and the ...
A project to relocate and consolidate tritium processing activities from old, second generation buildings to newer buildings was initiated in the late 1990's at the Savannah River Site. The new waste gas processing systems located in the newer facility utilize recent technology, including metal getters, an innovative permeator design, and ...
Thymosin ..cap alpha../sub 1/(T..cap alpha../sub 1/) is a biologically active thymic peptide currently undergoing trials as an immunomodulator in cancer patients and patients with immunodeficiencies. Abnormally elevated levels of T..cap alpha../sub 1/ have been found in the serum of individuals with or at risk for AIDS, with T-cell leukemias, and chronic ...
Pd/k is a hydride forming packing material which is used in the Thermal Cycling Absorption Process (TCAP). Palladium is supported on kieselguhr to create a packing material which will provide adequate void space to prevent excessive pressure drops and flow restrictions. The use of unsupported palladium would result in blockage of ...
The Actinide Technology Section has proposed the use of an nitric acid HNO3 and potassium fluoride KF flowsheet for stripping palladium Pd from palladium-coated kieselguhr Pd/K and removing aluminum (Al) metal foam from the TCAP coils. The basis for the HNO3-KF flowsheet is drawn from many sources. A brief review of the sources will be presented. The basic flowsheet involves ...
The first generation of TCAP hydrogen isotope separation process has been in service for tritium separation at the Savannah River Site since 1994. To prepare for replacement, a next-generation TCAP process has been developed. This new process simplifies the column design and reduces the ...
The Thermal Cycling Absorption Process (TCAP) is used to separate isotopes of hydrogen. TCAP involves passing a stream of mixed hydrogen isotopes through palladium deposited on kieselguhr (Pd/k) while cycling the temperature of the Pd/k. Kieselguhr is a silica mineral also called diatomite. To aid in the design of ...
The Defense Programs Plant Directed Research and Development Program sponsored the optimization and interface of a fiber-optic Raman sensor as a complementary technique to mass spectrometry currently used in the Tritium Facility for measuring hydrogen isotopes. This sensor will provide real-time feedback while reducing the sample load for off-line gas analysis by the Tritium mass spectrometers. ...
Hydrogen isotope exchange kinetics of Pd/k was tested in laboratory scale columns to help troubleshoot the HT-TCAP performance problem. The main objective was to evaluate the effects of old and new Pd/k, column diameter, and metal foam on hydrogen isotope exchange efficiency. This efficiency affects the separation performance of the TCAP column. Three ...
A variety of direct nuclear reaction experiments were made with a polarized triton beam. Of particular interested was the use in nuclear spectroscopy of the (t,..cap alpha..) and (t,d) reactions for the measurement of nuclear spins and strength factors. In addition, these reactions as well as the (t,p) and (t,t/sup 1/) reactions were used to examine the role of multistep ...
... coefficients in a circular cylindrical plasma column. ... DATA PROCESSING, COMPUTER PROGRAMMING, THERMAL RADIATION, ABSORPTION ...
DTIC Science & Technology
Congenital muscular dystrophies are defined by congenital or infantile onset of muscle weakness; while 12 culprit genes have been identified, many cases remain molecularly uncharacterized. On the other hand, mutations in the telethonin gene (TCAP) have been associated with a rare form of recessive limb girdle muscular dystrophy, usually presenting in the second decade. So far, ...
PubMed
Tcap/telethonin encodes a Z-disc protein that plays important roles in sarcomere assembly, sarcomere-membrane interaction and stretch sensing. It remains unclear why mutations in Tcap lead to limb-girdle muscular dystrophy 2G (LGMD2G) in human patients. Here, we cloned tcap in zebrafish and conducted genetic studies. We show that ...
PubMed Central
An optimization of the SS No. 7 Transport Capabilities Procedures is verified by specifying both the original and the optimized TCAP in (micrometer)CRL, generating transition systems for both using the (micrometer)CRL tool set, and checking weak bisimulat...
The Actinide Technology Section has proposed the use of an nitric acid HNO3 and potassium fluoride KF flowsheet for stripping palladium Pd from palladium-coated kieselguhr Pd/K and removing aluminum (Al) metal foam from the TCAP coils. The basis for the H...
The moisture absorption of ARALL is compared to that of aramid and carbon fiber composites. The influence of diffusion barriers on the diffusion process is examined. The absorption rate of ARALL strongly depends on the environmental temperature while the ...
This report describes the Thermodynamic Cycle Analysis Program (TCAP) software developed in support of the Collaborative Advanced Gas Turbine (CAGT) research project. The goal of the CAGT project was to evaluate different configurations of gas turbine-based power generation cycles. TCAP software enables the user to graphically construct power cycles that ...
... as absorption, adsorption and combinations of the two processes. ... the resin by centrifugation; and absortion, an irreversible process occuring at ...
... New bands in the spectrum of methylamine and its deuterium derivatives have been found and their absorption cross-section measured. ...
... 15 Sep 76-15 Mar 77,. ... SPECTRA, ABSORPTION CROSS SECTIONS, FLUORIDES, ATMOSPHERES, RESONANCE ABSORPTION, KRYPTON. ...
... Accession Number : ADP009028. Title : Optical Absorption Technique in the Study of Membrane Filtration Processes,. Corporate ...
... understanding of the absorption process by first modeling simple membranes such as butyl rubber, and extrapolating the results for rat skin to other ...
... Abstract : An appartatus and process for removing contaminants in a gas through absorption in a liquid absorbent is provided wherein the ...
... Descriptors : *ACOUSTIC ABSORPTION, *SODIUM CHLORIDE, *SEA WATER, *MAGNESIUM SULFATES, MEASUREMENT, PROCESSING ...
... Absorption and Collisional Redistribution of Molecular Energy Revealed by Double Resonance Spectroscopy/Molecular Deactivation Processes in ...
... Absorption Equilibrium of Nitrogen Oxygen Mixtures and Dynamic Considerations on the Process of Oxygen Concentration by Molecular Sieves,. ...
... K G. Mueller - Provided the absorption coefficients for NO Z , 0- photodetachment, and free-free processes. (Z. Taulbee ...
A novel absorption process called Phase Transitional Absorption was invented. What is the Phase Transitional Absorption. Phase Transitional Absorption is a two or multi phase absorption system, CO(sub 2) rich phase and CO(sub 2) lean phase. During ...
Teneurin C-terminal associated peptide (TCAP)-1 is a member of a novel family of neuropeptides that has been highly conserved throughout evolution. TCAP-1 is expressed in the limbic system in areas such as the hippocampus and amygdala. In vitro, TCAP-1 increases cytoskeletal proteins in immortalized neurons and modulates neurite ...
Autosomal recessive limb-girdle muscular dystrophy type 2G (LGMD2G) is an adult-onset myopathy characterized by distal lower limb weakness, calf hypertrophy and progressive decline in ambulation. The disease is caused by mutations in Tcap, a z-disc protein of skeletal muscle, although the precise mechanisms resulting in clinical symptoms are unknown. To provide a model for ...
CONCLUSIONS: In case of the work of oil with an additive in a motor, processes of the absorption and desorption of the additive on the motor parts take place in addition to the chemical interaction of the additive with the products of fuel combustion and ...
The relationships among the many systems of units for absorption coefficients, optical paths, and intensities for gaseous processes are discussed. A table showing the interconnecting factors is presented. (Author)
A design study of the Absorption Freezing Vapor Compression (AFVC) process for desalination and other concentration/separation treatments of waste water was conducted. The AFVC process overcomes one of the major problem areas in previous freezing processe...
The process of absorption is a cellular process (microscopic). Absorption cells line the stomach and intestine walls and allow small nutrients (broken down from the food we eat) to pass through and into our blood. The process of absorption is much like a leaking balloon ...
NSDL National Science Digital Library
The development of a process for ozone uptake in water treatment technology is presented. The process fundamentals for ozone absorption in downflow bubble columns were established in a pilot plant. It was shown that the absorption efficiency of downflow b...
segment of planaria is inhibited by tricyanoaminopropene whereas other ... Recent studies (1) by Best and Elshtain have shown that in planaria, ...
NASA Website
mental disorders, Acta Psychiatrica "? Heurologica. 1948, Supp0 48. Jacob, Jo and Sirlia, J0L0. Synthesis of BH& in vitro stimulated in dipteran ...
... Proposed Ultrasonic Inspection of a DC 9 Wingbox T-Cap: The difficulties ... was suggested that that device's water containment seals be investigated ...
The process by which a chemical species undergoes a chemical change as the result of the absorption of a photon of light energy. ...
... Descriptors : *ATOMIC SPECTROSCOPY, *MOLECULAR ... PROCESSING, SPECTROMETRY, SPECTROSCOPY, SYMPOSIA, ABSORPTION ...
... EFFICIENCY, VISIBLE SPECTRA, ABSORPTION CROSS SECTIONS, FLUORIDES, CARBONYL COMPOUNDS, KRYPTON, IRON ORGANIC ...
... LASERS, FLUORIDES), (*INFRARED RADIATION, ABSORPTION), CALCIUM COMPOUNDS, STRONTIUM COMPOUNDS, BARIUM COMPOUNDS ...
... THERMODYNAMICS INFORMATION PROCESSING WELDING AND METALS ... accompanying the diffusion of water into ... surfaces in contact with the ...
... Descriptors : *SUBMARINES, ADSORPTION, CONTROLLED ATMOSPHERES, CATALYSTS, FLUIDIZED BED PROCESSES, STATE OF THE ART ...
Drug absorption is a very complex process that manifests itself through potential interaction with a host of physicochemical and physiological variables. Some factors that may affect the absorption processes include presystemic metabolism/efflux, the "absorption window" along the ...
Ocean Biology Processing Group Ocean Color Science Community ... I've found that the the resulting absorption coefficients are given in Short ...
of Spectroscopy Extensive tutorial on reflectance spectroscopy, the causes of absorption bands, the absorption and scattering processes that occur when light encounters a...
Science.gov Websites
The method of flash absorption spectroscopy has been applied to the primary processes of photosynthesis in green plants.
Effect of meson exchange currents have been investigated in the pion absorption process ..pi../sup +/+d..-->..p+P.
The paper presents a detailed theoretical analysis of the process of gas absorption to a thin liquid
NASA Technical Reports Server (NTRS)
Numerical simulations have been conducted to investigate the absorption of internal waves at a critical level. A comparison of linear with nonlinear computational results provides insight into nonlinear processes occurring during wave absorption. In particular, nonlinear processes, including wave breaking, are ...
The Tactical Communications Analysis Program (TACP) User's Manual describes the applicability of, data required for, and operational instructions for the TCAP. The TCAP was developed for the U.S. Marine Corps to perform electromagnetic compatibility analyses of snapshot deployments of tactical communications equipment operating in the HF (2-30 MHz), VHF ...
NASA Astrophysics Data System (ADS)
This volume includes information on pumping, compression, and expansion of fluids; refrigeration and liquid natural gas processes. Also discussed are absorption and fractionation; water content, hydrates and hydrate inhibition; glycol and dry-dessicant dehydration; absorption hydro-carbon recovery; and process ...
A review on the processes that have been used or are promising for the removal of CO/sub 2/, H/sub 2/S, and water vapor from biogas. The process conditions and flow schemes for 16 processes are given. The basic physical mechanisms that are involved in the processes are discussed and include physical ...
To understand the effect of ultrasonic treated on brown rice, it is important to research the water absorption processing of brown rice before and after ultrasonic treatment. The objective of this study was investigate and modeling water absorption characteristics of brown rice using Peleg¿s equatio...
Technology Transfer Automated Retrieval System (TEKTRAN)
Organic contamination of ultraviolet optical systems is discussed. Degradation of signal by reflection, scattering, interference, and absorption is shown. The first three processes depend on the physical state of the contaminant while absorption depends o...
Conserve Resources, Incorporated is currently developing an innovative, patented absorption heat pump. The heat pump uses rotation and thin film technology to enhance the absorption process and to provide a more efficient, compact system. The purpose of t...
The mechanism of nonlinear absorption owing to collective absorption by a large number of quasi-resonant vibrational-rotational transitions and two-photon and cascade processes is investigated theoretically and experimentally for the triatomic molecule, ozone. PMID:19730503
The application of differential optical absorption (DOA) techniques for the in-situ determination of the chemical composition of coal gasification process streams is investigated. Absorption spectra of relevant molecular species and the temperature and pr...
This report describes a proposed system for automating atomic absorption analysis. The system consists of two atomic absorption instruments and an automatic sampler that can be attached to either instrument. A computer program controls the sampling and gathers data. The program then uses the data to perform bookkeeping, data ...
...determine the amount or percentage of water absorption and retention that is unavoidable using...describe variable factors that affect water absorption and retention. In poultry processing...Additional factors that may affect water absorption and retention are scalding...
Code of Federal Regulations, 2011
...may interfere with such absorption. (f) Pharmacokinetic... (2) The degree of absorption of the active drug ingredient...therapeutic moiety in the intestinal wall or liver during the process of absorption (first-class...
Code of Federal Regulations, 2010
The optical constants of degenerate CdO films were measured at about 10 deg K in the spectral range around the LO lattice frequency (5 to 24 mu m). besides the free carrier absorption and a tail of the lattice absorption, an additional absorption is found above the LO frequency which can be explained by the theory of free ...
The process of absorption of magnetic sound waves in a fully ionized plasma with thermal mution was examined. These waves are radiaily distributed with respect to a constant magnetic field and have frequencies which are higher than the cyclotron ion frequency but much less than the cyclotron electron frequency. The absorption ...
Multiphoton absorption of 2,5-bis[4-(2-N,N-diphenylaminostyryl)phenyl]-1,3,4-oxadiazole was experimentally studied by using femtosecond laser pulses. This material demonstrates a very broad multiphoton absorption band of around 300 nm width with two peaks of 1250 and 1475 nm. The first peak results from the three-photon absorption ...
The authors studied the primary photochemical processes and the electron donor-acceptor properties of chlorophyll a and carbon tetrachloride by using kinetic absorption and EPR spectroscopy. The induced absorption spectra were studied on lamp and laser pulsed photolysis systems. The EPR spectra were recorded on an E-12 ...
The efficiencies of laser isotope separation processes based on multiple photon absorption from infrared laser pulses are enhanced thermally by raising the temperature of the gas upon which the laser beam is incident, thereby increasing the absorption and the isotopically selective excitation which enables isotopes in the gas to be ...
This work reports the behaviour of the absorption coefficient in a C2+-implanted Nd:YVO4 crystal by successive annealing steps. The absorption coefficient was monitored with respect to time and temperature after an annealing process. Firstly, the annealing duration increased in a constant form keeping a constant temperature and ...
An in vivo method has been described for studying radiophosphorus and radiostrontium absorption from the intestinal tract in rats. The method is simple, avoids surgical trauma, and permits visualization of the absorption process in individual animals. Rate of absorption at various times may also be ...
The purpose of this study was to determine whether Tennessee Comprehensive Assessment Program (TCAP) Achievement reading scores, school district per-pupil expenditures, school size, percentage of students qualifying for free and reduced-priced meals, and attendance were related to science TCAP test scores from the 2007-2008 school year. The data were ...
Based on a moving boundary model, a rate equation t = k[X + (1 {minus} X) 1n(1 {minus} X)] has been derived for fibrous adsorbents. The kinetics of copper ion absorption on acrylic acid grafted polypropylene PP-g-AA (ion-exchange) fibers fit this rate equation during the initial absorption process. The moving boundary particle ...
The results of investigations of absorption and emission processes in gases important in upper atmosphere chemistry and physics by a wide variety of spectroscopic techniques are presented. The principle area studied is the vacuum ultraviolet at wavelength...
The absorption of intense laser light in plasmas with a long density scale length can be influenced by many different processes, ranging from collisional absorption to laser-driven instabilities. The mix of these coupling processes depends strongly on the...
A variety of atomic processes contribute to absorption of radiation in dense plasmas. Most existing atomic data are for low density, high temperature plasmas. At high densities and low temperatures, realistic modeling to incorporate the important addition...
This review of laser implosion research contains discussions on the efficiency of light absorption, processes of absorption, and the energy spectra of heated electrons. Diagrams are given showing the various processes and stages of a laser imploded target. Some calculational results using the LASNEX code are ...
The first step in the economic analysis of the integration of geothermally powered absorption refrigeration into a food processing plant was an evaluation of the potential geothermal sites in the Western United States. The evaluation covered availability ...
The approach to theoretical analysis of the combined heat and mass transfer process taking place in absorption systems is described. The two tranfer phenomena are strongly coupled here. The purpose of the analysis is to relate, quantitatively, the heat an...
The report describes studies of SO2 absorption from flue gases by water and alkaline solutions in venturi scrubber processes, including recycle of the scrubbing liquor. It proposes mathematical models describing the process momentum, heat, and mass transf...
The wave energy losses in nonsteady processes, the linear Bonch-bruevich effect, and the dependence of the electromagnetic wave absorption on its amplitude, the non-linear Bonch-Bruevich effect, are analyzed. (R.V.J.)
A novel absorption process called Phase Transitional Absorption was invented. What is the Phase Transitional Absorption? Phase Transitional Absorption is a two or multi phase absorption system, CO{sub 2} rich phase and CO{sub 2} lean phase. During ...
... was used to interpret the ultrasonic absorption data for manganese sulfate in ... higher than those for the elementary diffusion process for the ions. ...
... The Ultraviolet Reflection-Absorption Spectroscopy (UVRAS) method has important advantages for in-situ studies of processing environments. ...
We have obtained CO absorption profiles of several young stellar objects (YSOs), spanning a range of
... Attempts to find evidence for two photon absorption processes in several systems, including solutions of perylene in ethanol, subjected to the ...
... including calorimetry, vapor absorption, inverse gas chromatography and by the establishment of binary or ternary phase diagrams for appropriate ...
... Visible light bleaches out much of the enhanced absorption and thermal ... The characteristics of this creation and bleaching process suggest that UV ...
The collisional processes that influence the absorption of monochromatic light by iodine in air have
As with Bremsstrahlung, complete (rigorous) derivation is quite tricky. ..... � Thermal bremsstrahlung absorption (energy absorbed by free moving electrons) ...
... Report Date : 30 SEP 1970. ... and total absorption for the cesium resonance lines at 8944, 8521, 4593 and 4555 A for cesium is argon at pressures ...
The infrared intersubband absorption process in quantum well systems with anisotropic bulk effective
