Spectral line parameters that have absorption features within the HCl and HF channels of the Halogen
NASA Technical Reports Server (NTRS)
This report is a preliminary theoretical analysis of the vaporization of materials by focussed high intensity radiation and of the optical emission and absorption properties of the resulting vapor. (Author)
National Technical Information Service (NTIS)
A procedure for the Flameless Atomic Absorption Spectroscopic analysis of chemical agent Lewisite is given. The analysis is performed on specimens that have been hydrolyzed by solutions, and measures the amount of arsenic present. The method is simple and...
Absorption spectra and light-induced absorbance changes of crystals from Rhodopseudomonas viridis reaction centers are recorded. A theoretical analysis of the absorption and circular dichroism spectra is presented, yielding a consistent picture of spectroscopic and structural information.
PubMed Central
This report summarizes a range of work, both theoretical and experimental, involving the spectroscopy of the diatomic halogens in the gas phase. Included are 1) Analysis of absorption, fluorescence, and emission spectra -- both discrete and diffuse -- of ...
A tunable laser is disclosed in which a plurality of laser beams different from one another in wavelength and polarization can be simultaneously oscillated. The tunable laser is advantageous among others in that an atomic absorption spectroscopic analysis can be carried out with very high sensitivity when it is used as, for example, a ...
Energy Citations Database
... Title : A SPECTROSCOPIC MEASUREMENT OF THE RESONANT ABSORPTION OF MICROWAVE ENERGY BY OXYGEN IN THE 2.5 ...
DTIC Science & Technology
This book describes the preparation and spectroscopic properties of uranium compounds. It is Volume 2 of Division 3 (Special Separations Project) in the National Nuclear Energy Series, which describes scientific results from the Manhattan Project. Some of the subtopics are analysis of X�ray information, absorption spectral ...
NSDL National Science Digital Library
Spectroscopic techniques for the analysis of composition, electronic structure, short range order, and microstructure of thin films are reviewed. Electron spectrometry; absorption spectrometry; emission spectrometry with ion bombardment; and X-ray diffrac...
Four papers are presented which discuss the following: information measures in nonlinear experimental design; information in spectra of collision broadened absorption lines; band analysis by spectral curve fitting; and least squares analysis of Voight sha...
) intramolecular proton transfer (ESIPT). A detailed analysis of the transient absorption measurements resolved fluorescence up-conversion and transient absorption spectroscopy. The observation of dual-resolved transient absorption spectroscopy and fluorescence up-conversion spectroscopy study of carminic acid
E-print Network
nutrient cycling, net primary production and litter decomposition is an important part in defining .... solar flux (wavelengths greater than 2400 rim). .... In our analysis we restricted the absorption features examined to avoid strong ...
NASA Website
A sample cell has been designed and built to contain hot H2SO4 vapor for spectroscopic analysis. The cell is heated to between 190 and 250C by an electric furnace designed specifically for use with the sample cell. A small bulb connected to the main compa...
An analysis of absorbing and scattering properties of blood and urine plasma proteins is presented. Assessment methods of their spectroscopic parameters, such as extinction, absorption and scattering coefficients, are described. Possibilities for a separate assessment of the albumin and globulin concentrations in biological media are ...
NASA Astrophysics Data System (ADS)
Absorption and fluorescence changes were used to monitor the thermally induced folding-unfolding transition of beta-trypsin. These parameters reflect changes in the microenvironment of different subsets of the four tryptophanyl residues of this protein. The thermal transition was found to be sequential.
Out of 120 short communications contained in the book of abstracts, 19 were inputted to the INIS system. The topics covered include applications of Moessbauer spectroscopy, X-ray fluorescence analysis, atomic absorption spectroscopy, atomic emission spect...
During the last years Optical Coherence Tomography could proof its value as a precise and non-invasive tool for providing morphologic information about biological tissue. Nevertheless there is also a demand for obtaining functional tissue parameters like for instance oxygen saturation of blood. Such information can be accessed by spectroscopic tissue ...
... The spectroscopic absorption of an aromatic compound on a ... behavior of aromatic compounds on soils at the ... to be characteristic of para-substituted ...
The results of optical spectra analysis of two carbon-rich long-period variables V1983 Cyg and V2047 Cyg are presented. The stars were suspected to be cool R CrB variables candidates according to the photometric light curves. We compared the spectroscopic properties of the selected stars with those of DY Per and ordinary carbon stars to check their ...
Spectroscopic instrumentation and the absorption characteristics of atmospheric gases are discussed in relation to the requirements of spectroscopic stratospheric experiments. Improvement in the spectral resolution, accuracy of the line parameters, and th...
Spectroscope absorption measurements of the stratospheric trace gases hydrogen chloride (HCl) and nitric (HNO3) using a Fourier transform infrared ...
... Title : In Situ Infrared Reflection Absorption Spectroscopic Characterization of Plasma Enhanced Chemical Vapor Deposited SiO2 Films. ...
... Title : Spectroscopic Analysis of the Products from the Reaction of Omicron- Chlorobenzylidenemalononitrile (CS) and 2-Diethylaminoethyl ...
... Title : Raman Spectroscopic Analysis of Impregnated Cathodes. ... Keywords: Thermionic cathodes, Raman spectroscopy. ...
A full IR, UV-Vis, FIR, spectroscopic analysis on substituted porphyrin iron, manganese, cobalt, copper and Zinc complexes was performed, and the spectroscopic patterns were found for the metalloporphyrin compounds with various structures. Base on molecular structures theory, the reasons for the spectroscopic ...
PubMed
The dinuclear iron center of the hydroxylase component of soluble methane monooxygenase (MMO) from Methylococcus capsulatus and Methylosinus trichosporiwn has been studied by X-ray absorption spectroscopy. Analysis of the Fe K-edge EXAFS revealed that the...
Sub diffraction limited infrared absorption imaging of hemoglobin was performed by coupling IR optics with an atomic force microscope. Comparisons between the AFM topography and IR absorption images of micron sized hemoglobin features are presented, along with nanoscale IR spectroscopic analysis of the ...
The D2O absorption spectrum recorded with a selective modulation Girard spectrometer in the region of 3690-4190 cm-1 (resolution ~0.07 cm-1) has been analyzed. Based on the fitting of experimental data the spectroscopic parameters of the vibrational state (011) have been determined and the parameters of the vibrational states (110) and (030) have been ...
... ULTRAVIOLET BAND RE-ASSIGNMENT FOR ANILINE AND ITS DERIVATIVES. ... of the ultraviolet absorption spectrum for anilines and derivatives ...
... COMPLEX COMPOUNDS, SPECTROSCOPY, STRUCTURAL PROPERTIES, ABSORPTION, PYRIDINES, PYRAZOLES, INDOLES, BRIDGES ...
... of gases in the atmosphere or elsewhere. ... in which a central control unit is ... ABSORPTION, AUSTRALIA, MULTIPLEXING, SIGNAL GENERATION. ...
This book, complementary to Trace Analysis: Spectroscopic Methods for Elements (1976; J.D. Winefordner, Ed.) comprises chapters on molecular analysis by ultraviolet-visible (UV-vis) absorption, luminescence, infrared absorption, and nuclear magnetic resonance (NMR). Although it is not evident ...
We analyze optical soliton propagation in the presence of weak absorption lines with much narrower linewidths as compared to the soliton spectrum width using the novel perturbation analysis technique based on an integral representation in the spectral domain. The stable soliton acquires spectral modulation that follows the associated index of refraction of ...
We analyze optical soliton propagation in the presence of weak absorption lines with much narrower linewidths as compared to the soliton spectrum width by using a perturbation analysis technique based on an integral representation in the spectral domain. The stable soliton acquires a spectral modulation that follows the associated index of refraction of ...
Euglena gracilis possesses a simple but sophisticated light detecting system, consisting of an eyespot formed by carotenoids globules and a photoreceptor. The photoreceptor of Euglena is characterized by optical bistability, with two stable states. In order to provide important and discriminating information on the series of structural changes that Euglena photoreceptive protein(s) undergoes ...
Space-based active sensing of CO(2) concentration is a very promising technique for the derivation of CO(2) surface fluxes. There is a need for accurate spectroscopic parameters to enable accurate space-based measurements to address global climatic issues. New spectroscopic measurements using laser diode absorption spectroscopy are ...
PRECISION RADIAL VELOCITIES OF DOUBLE-LINED SPECTROSCOPIC BINARIES WITH AN IODINE ABSORPTION CELL October 15; accepted 2005 February 25 ABSTRACT A spectroscopic technique employing an iodine absorption precision velocities of the spectroscopic double-lined binary HD 4676 to dem- onstrate
