... EFFECT, LIQUIDS), (*TUNGSTEN COMPOUNDS, MOSSBAUER EFFECT), SODIUM COMPOUNDS, TUNGSTATES, FLUORIDES, CHLORIDES ...
DTIC Science & Technology
... PROPERTIES, *ANTIFERROMAGNETISM, *DYSPROSIUM COMPOUNDS, *MANGANESE COMPOUNDS, *TERBIUM COMPOUNDS, COUPLING ...
... Accession Number : ADA006575. Title : Research on the Synthesis of Novel Compounds Absorbing in the Near Infrared Region of the Spectrum. ...
Jul 12, 2006... the so called 'UV absorbers'- ultraviolet markings on the cloud top, ... They are so called because they absorb almost half of the solar ...
NASA Website
... Descriptors : *CARBON, *COPPER COMPOUNDS, *ABSORBERS(MATERIALS ... COBALT COMPOUNDS, NITRATES, CARBON DIOXIDE. ...
... The problem of positioning the solar focal spot on the thruster absorber is due to the visual complexity of the absorber, which is compounded by ...
... control of space vehicles by regulation of the solar absorption and ... The use of these compounds as ultraviolet radiation absorbers in pigmented ...
... ABSORPTION, *MAGNETIC MATERIALS, *COBALT COMPOUNDS, *NICKEL COMPOUNDS, *THORIUM COMPOUNDS, REPRINTS, MAGNETIC ...
... These compounds were tested for uniformi y, adhesion to ... COMPOUNDING TECHNIQUES FOR ... Aluminum Test Panels - Two 24" x 24" aluminum ...
... the quantum yields of the above compounds as a ... It is important to choose a compound with a high ... 3400A absorbed by a uranyl oxalate actinometer ...
... SILVER, MOLYBDENUM, TANTALUM, ALUMINUM COMPOUNDS, OXIDES ... LANTHANUM COMPOUNDS, BORIDES, LOW PRESSURE, POWER ...
... Title : The Effect of Humidity on the Collection Efficiency for Oxygenated Compounds Absorbed on Activated Charcoal. Descriptive ...
... Based on mechanochemical considerations, the possibility for occurrence of ... Selected infrared absorbance bands in organic compounds containing ...
... masses or dynamic vibration absorbers are ... Descriptors : *VIBRATION ISOLATORS, *MOUNTING BRACKETS, DYNAMICS, SHOCK ...
A process is given for removing SOx pollutants from a stack gas by (1) absorbing the SOx pollutants with an aqueous absorbent containing a formate compound and (2) regenerating the spent absorbent containing dissolved sox compounds by contact, in the presence of added formate anion, with a ...
Energy Citations Database
Black carbon, light-absorbing organic carbon (often called brown carbon) and mineral dust are the major light-absorbing aerosols. Currently the sources and formation of brown carbon aerosol in particular are not well understood. In this study we estimated...
National Technical Information Service (NTIS)
The new phenomenon called the quasi-magnetoelastic aftereffect has been described In this paper. It was found that In Sm(Fe[sub 1[minus]x]Co[sub x])[sub 2]H[sub n] (n [approximately] 0.1) compounds the fast change In orientation of the magnetization Initiated a slow change In the sample size. The deformation of the sample can achieve the value of 10[sup ...
Called forcing agents, these absorb additional energy in the atmosphere ( enhanced greenhouse effect). The greenhouse gasses shown in the figure: ...
A method for absorbing an ion from a fluid by using dispersing an organic acid into an anion surfactant solution, mixing in a divalent-metal containing compound and a trivalent-metal containing compound and calcining the resulting solid layered double hydroxide product to form an absorbent material and then ...
DOE Information Bridge
A porcelain enamel composition as a neutron absorbing material can be prepared of a major proportion by weight of a cadmium compound and a minor proportion of compound of boron, lithium and silicon. These compounds in the form of a porcelain enamel coatin...
... Abstract : A new class of water absorbent materials developed for use as copper cable filling compounds and as splice case encapsulants was ...
A process for removing SOx pollutants from a stack gas by (1) abvsorbing the SOx pollutants into an aqueous absorbent containing a formate compound and (2) regenerating the spent absorbent containing dissolved SOx compounds by contact, in the presence of added formate anion, with a water-insoluble, solid substance ...
... selectively absorb elements or compounds. Therefore, zeolites are highly useful as catalysts, molecular sieves, absorbants, or ion exchange materials. ...
A series of 62 critical and critical approach experiments were performed to evaluate a possible novel means of storing large volumes of fissile solution in a critically safe configuration. This study is intended to increase safety and economy through use of such a system in commercial plants which handle fissionable materials in liquid form. The fissile solution`s concentration may equal or ...
A promising means to increase the decay rate of vibration along the rail is using a rail absorber for noise reduction. Compound track models with the tuned rail absorber are developed for investigation of the performance of the absorber on vibration reduction. Through analysis of the track dynamics with the rail ...
NASA Astrophysics Data System (ADS)
The development of absorbent materials for volatile organic compounds (VOCs) is in demand for a variety of environmental applications including protective barriers for VOCs point sources. One of the challenges for the currently available VOCs absorbents is their recyclability. In this study, we syn...
Technology Transfer Automated Retrieval System (TEKTRAN)
Hemoglobin-iron was absorbed by the guinea pig as an iron-containing porphyrin compound. Absorption of both inorganic and hemoglobin-iron occurred primarily in the duodenum but about one-third of the quantity absorbed from the gut can be absorbed from the...
The absorbents for SO{sub 2} and NO from flue gas were prepared from calcium hydroxide, calcium sulfate, silicic acid, and aluminum hydroxide. The effects of the composition of the absorbent are studied on the activity for the absorption of SO{sub 2} and NO on the structure of the absorbent. The activity for the absorption of SO{sub 2} ...
Taxonomically diverse marine, freshwater and terrestrial organisms have evolved the capacity to synthesize, accumulate and metabolize a variety of UV-absorbing substances called mycosporine-like amino acids (MAAs) as part of an overall strategy to diminish the direct and indirect damaging effects of environmental ultraviolet radiation (UVR). Whereas the ...
PubMed
PubMed Central
We report the optical and scintillation properties of the Ce3+-doped bromoelpasolites Cs2NaREBr6 (RE = La,Y,Lu). The ?-ray scintillation light yield of these materials varies from 6000 to 17 000 photons per MeV absorbed ?-ray energy. At room temperature (RT), the ?-ray scintillation decay curves for all compounds show a fast component of 61 ns, whereas the ...
Conventional (i.e. passive) radar absorbers are widely used for modifying the radar cross-section (RCS) of current military platforms but such absorbers may not have adequate performance to satisfy future requirements. Active absorbers, however, offer the potential to overcome the so-called Rozanov performance ...
Dithiene complexes are promising candidates for dye 'Q' switches functioning as saturable absorbers operating at two microns. Although these compounds are not commercially available, similar compounds have been prepared. The purpose of this contract was t...
It is an object of the invention to provide benzotriazole compounds as a basis for novel polymeric ultraviolet absorbers having higher wavelength cutoffs of up to about 430nm. Particular ultraviolet absorbers are 2(2-Hydroxynaphthyl) 2H-Benzotriazole comp...
Storage of thermal energy through the formation or dissociation of complex compounds is described. A solid-vapor reaction of an absorbant, a metal inorganic salt, and an absorbate, the ligand of the complex provides energy storage for a heat pump cycle. O...
... streams, UV-absorbing compounds, UV-B radiation Anthropogenic depletion of the stratospheric ozone layer has led to an increase in solar ultraviolet- ... ...
NBII National Biological Information Infrastructure
A capillary zone electrophoresis method was developed for the simultaneous analysis of seven closely related polyhydroxyalkaloids called calystegines. Successful results were obtained with a fused-silica capillary, 80 mM sodium tetraborate at pH 9.2 and temperature of 50 degrees C. Detection of non-UV-absorbing calystegines was achieved through in-situ ...
Here we present magnetocaloric and specific heat data at the valence transition of the stoichiometric compound YbInCu4 at very high fields. The underlying mechanism responsible for this transition is the so-called Kondo collapse effect. While its temperature-magnetic field phase diagram is well described in terms of entropy driven first-order transition ...
... Absorption, Low energy, Absorbers(Materials), Reflectivity, Dielectric properties, Mirrors, Silver, Thorium compounds, Phosphates, Cadmium ...
The vertical hashing on each data point (black dots) are error bars. The troughs and dips are the result of various compounds absorbing NIR light. ...
... wood or coconut shell based, a thixotroping agent, a dispersant, a pigment and corrosion inhibitor. ... 31 4. Coconut Shell Based Carbon ..... ...
... These slurries incorporate active carbon (minimum of 25%), either coal, petroleum, wood or coconut shell based, athixotroping agent, a dispersant ...
Water sample is passed through a column containing macroreticular resin, which absorbs only nonionic
NASA Technical Reports Server (NTRS)
filaments. Such filaments could be identified with the warm absorber. Mixing layers will be strong emittersMon. Not. R. Astron. Soc. 000, 000--000 (0000) Printed 17 January 1995 Warm absorbers in active; the so�called warm absorber. Constraints on the location of the warm material are presented
E-print Network
... a class of naturally occurring compounds with important ... of a red-fluorescent compound (most-probably ... via oxidation with cerium ammonium nitrate ...
The sealed water calorimeter is intended for direct measurement of absorbed dose to water. This calorimeter was used for a series of approximately 3700 measurements to investigate the so-called heat defect, that is, anomalous endothermic or exothermic eff...
Because of the variable transparency of C sub 3 F sub 7 I, the pump light energy absorbed in the oscillator mode is larger than the pump light energy absorbed in the amplifier mode. The evaluation of the difference, here called ''bleaching losses,'' impor...
the space and the atmosphere in the form of a wave (electromagnetic waves) and is called radiation Heat capacity is the heat energy absorbed to raise a substance to a given temperature Specific hear. Ice to vapor: absorb energy, cool environment (melt, evaporation, sublimation) Vapor to ice: release
May 15, 2002 ... The phenomenon, called the 'runaway greenhouse' effect, occurs when a planet absorbs more energy from the sun than it can radiate back to ...
... gentamicin infusion: A destructive procedure used for Meniere's disease . An antibiotic called gentamicin is introduced into the middle ear and absorbed via the round window. The drug ...
MedlinePLUS
The neon absorbs approximately 7 W of heat, including parasitic loads, which is transferred to the cryocooler through a heat exchanger called the cold load ...
Jun 2, 2000 ... Today's image is a MODIS data product called "Fraction of Photosynthetically Active Radiation," which is a measure of the proportion of the ...
Nov 21, 2002 ... Blackbody Radiation & Wien's Law. A star is considered to be an example of a " perfect radiator and perfect absorber" called a black body. ...
... the essential physics for understanding the role of the strong interactions between electrons in certain rare earth and actinide compounds called ...
The formation of gas and liquid products in the 800-kvp electron radiolysis of n-hexane liquid has been studied as a function of the energy absorbed, temperature and the presence of solutes. The hydrogen yield decreased with temperature to a limiting value in the solid state. The same limiting yield was atiained in the presence of solutes. The yield of unsaturated ...
Chlorophyll is the chemical compound that plants use to absorb the sun's energy and use it to produce their own food. Phytoplankton are microscopic organisms in the oceans that contain chlorophyll, and through the process of photosynthesis, produce most of the oxygen for the planet. However, some types of phytoplankton are also dangerous to human health ...
NSDL National Science Digital Library
A process for the removal of oxidizable sulfur compounds from a waste gas; is described which comprises: (A) mixing a waste gas containing compounds oxidizable to sulfur oxides with molecular oxygen and oxidizing said compounds to sulfur oxides; (B) contacting the oxidized gas with a metal oxide absorbent capable ...
This standard covers granular absorbents (activated carbon, mineral base, polymer, etc.) for use in air and gas treatment systems. The absorbents are used in both thin-bed absorber cells and deep-bed systems. The standard includes docuent list, technical requirements, quality assurance requirements, and preparation for delivery. Test ...
A mineral oil of improved resistance to deterioration due to gamma radiation was prepared by adding a combined amount of from 0.0075 to 0.5 wt% of a liquid scintillation phosphor capable of absorbing gamma radiation and a compound capable of absorbing ultraviolet light to the oil. The compound used to ...
A neutron absorbing composition is described and consists of a one-component room temperature vulcanizable silicone rubber composition or a two-component room temperature vulcanizable silicone rubber composition in which the composition contains from 25 to 300 parts by weight based on the base silanol or vinyl containing diorganopolysiloxane polymer of a boron ...
A neutron absorbing composition comprises a one-component room temperature vulcanizable silicone rubber composition or a two-component room temperature vulcanizable silicone rubber composition in which the composition contains from 25 to 300 parts by weight based on the base silanol or vinyl containing diorganopolysilioxane polymer of a boron compound or ...
A neutron absorbing composition comprising a one-component room temperature vulcanizable silicone rubber composition or a two-component room temperature vulcanizable silicone rubber composition in which the composition contains from 25 to 300 parts by weight based on the base silanol or vinyl containing diorganopolysiloxane polymer of a boron compound or ...
DOEpatents
The invention discloses co-current absorber for recovering inorganic compounds from plant effluents, particularly useful for recovery of fluorine values as low phosphorus fluosilicic acid from phosphate plant effluents. The improved co-current absorber utilizes multiple cyclonic entrainment separators, co-current flow and renewed ...
New absorbent solutions containing three components have been evaluated for efficiency in decreasing the ambient CO2 level aboard submarines. One of the absorbent systems investigated consisted of a high-boiling organic compound, sulfolane, which has a hi...
The objective of the program was to develop decontaminating systems for persistent chemical agents using micronized carbon. These systems must be effective in absorbing chemical agents and designed to the following goals: (1) Act rapidly over a wide tempe...
The transmission of an optical beam through the compound cell of a differential refractometer with an absorbing sample is analyzed. Formulas for the lateral shift and the deflection angle of the transmitted optical beam for a complex refractive-index difference are obtained. PMID:19823545
Our approach involves on-axis illumination of the compounds inside the capillary detection region and is applied to absorbance and fluorescence detection. Absorbance measurements were made by focussing an incident laser beam into one capillary end; by usi...
Various compound parabolic concentrator (CPC) configurations are discussed, and the application of glass technology to CPC designs is discussed. CPC designs with flat absorbers, cylindrical absorbers, evacuated receivers, and evacuated tube receivers are ...
A new type of low concentration solar collector, namely the Compound Cylindrical Concentrator (CCC) has been analyzed, designed, fabricated and tested. Aluminum sheet was used for the reflector and black chrome coated copper tube for absorber with concentration ratio 1.65 for acceptance half angle 15/sup 0/. A V- groove was coupled to the CCC beneath the ...
The VARSKIN computer code has been limited to the isotopes for which the scaled absorbed dose distributions were provided by the Medical Internal Radiation Dose (MIRD) Committee or to data that could be interpolated from isotopes that had similar spectra. This document describes the methodology to calculate the scaled absorbed dose distribution data for ...
that control compound 4C had over twice the peak absorbance of bi-thiophene as well as double the Stokes shift. Scheme 1, top: Synthetic pathway for bi-thiophene control compound. Figure 1, bottom: UV-Vis spectra for bi-thiophene control compound 4C and bi-thiophene. Bi-thiophene ...
A porcelain enamel composition as a neutron absorbing material can be prepared of a major proportion by weight of a cadmium compound and a minor proportion of compounds of boron, lithium and silicon. These compounds in the form of a porcelain enamel coating or layer on several alloys has been found to be ...
We present a numerical study on an interacting monomer�dimer model with nearest neighbor repulsion on a square lattice, which possesses two symmetric absorbing states. The model is observed to exhibit two nearby continuous transitions: the Z2 symmetry-breaking order�disorder transition and the absorbing transition with directed percolation criticality. ...
The biological effect taking place in the medium as the result of irradiation is determined by the absorbed irradiated energy and its micro and macro distribution in the tissue under irradiation. The quantitative evaluation of irradiation is effected by the measured dose contained in the air and expressed in roentgen units. The necessity to quantitatively evaluate ...
A process is given for polymerization of vinyl compounds, in the presence of irradiated refractory compounds. The refractory compounds are preferably oxides such as alumina, zirconia, or silica, but silicates such as aluminum silicate may also be used. The refractory compound is ex posed to ionizing ...
We report on the experimental observation of localized laser structures in a compound laser system consisting of two mutually coupled broad-area Vertical Cavity Surface Emitting Lasers (VCSELs), one of which is operated as a saturable absorber. As cavity solitons appearing in a VCSEL driven by a coherent driving beam, these localized structures coexist ...
... found that clay had minerals such as kaolin, smectite, and micas that can absorb secondary compounds such ... ...
