Results 201 to 210 of about 46,590 (254)
Primary Stress Factors and Adaptive Mechanisms of Microalgae in Space Environments and Their Applications in Space Life Support Systems. [PDF]
Plants (Basel)Dai S +7 more
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Applied Optics, 1967
Some applications of vacuum uv radiation to basic research problems are discussed, with emphasis on the interaction of vacuum uv radiation with gases and solids.
James A R Samson
exaly +4 more sources
Some applications of vacuum uv radiation to basic research problems are discussed, with emphasis on the interaction of vacuum uv radiation with gases and solids.
James A R Samson
exaly +4 more sources
A Polarizer for the Vacuum Ultraviolet
Applied Optics, 1967The construction and optical properties of a MgF(2) double Rochon prism are described. The prism is useful as a polarizer or analyzer in the vacuum uv wavelengths longer than 1300 A. Measurements of MgF(2) transmission and of polarizer angular beam deviation from 1150 AS to 2900 A are presented.
D L, Steinrnetz +3 more
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Vacuum Ultraviolet Spectroscopy
Applied Spectroscopy, 1969A review is presented on vuv spectroscopy, discussing the optics necessary, instrumentation used in absorption and emission vuv, and measurement of wavelength and intensities. Finally, several applications of the technique of interest to the chemist are presented.
MILAZZO G, CECCHETTI, GAETANO
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Vacuum Ultraviolet Photoionization of C 3
Journal of the American Chemical Society, 2005Photoionization efficiency (PIE) curves for C(3) molecules produced by laser ablation are measured from 11.0 to 13.5 eV with tunable vacuum ultraviolet undulator radiation. A step in the PIE curve versus photon energy, obtained with N(2) as the carrier gas, supports the conclusion of very effective cooling of C(3) to its linear (1)Sigma(g)(+) ground ...
Nicolas, Christophe +6 more
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Recombination lasers in the vacuum ultraviolet
AIP Conference Proceedings, 1982Isoelectronic scaling of known laser transitions to higher ion stages1 has recently been shown to be a useful technique for scaling electron-ion recombination lasers, produced in expanding plasmas, to shorter wave-lengths2. The observation of laser action on a sequence based upon the 4f-5d transition in Ag I (1832 nm), Cd II (537.8 nm) and In III (298 ...
W. T. Silfvast, O. R. Wood
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Vacuum ultraviolet spectrophotometer system
Journal of Physics E: Scientific Instruments, 1973A spectrophotometer system comprising a continuum source, monochromator, reflectometer and digital signal handling system is described. The important advantages are that; the system is totally integrated; both transmission and reflection measurements (at a range of angles) can be made; operation is simple, convenient and semi-automatic; data are ...
C F, Dickinson, E, Ellis
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Vacuum-Ultraviolet Photovoltaic Detector
ACS Nano, 2018Over the past two decades, solar- and astrophysicists and material scientists have been researching and developing new-generation semiconductor-based vacuum ultraviolet (VUV) detectors with low power consumption and small size for replacing traditional heavy and high-energy-consuming microchannel-detection systems, to study the formation and evolution ...
Wei Zheng +5 more
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On the vacuum ultraviolet transparency of sapphire
Physica Status Solidi (a), 1978The transmittance and absorption spectra α-Al2O3 monocrystals (sapphire) in the vacuum ultra-violet (VUV) region (hv > 6.0 eV) are analyzed and the lowest absorption level is achieved (k ≦ ≦ 1 cm−1 in the whole VUV region). Using Smakula's formula the conccentration of the possible Cr3+ impurity (5 × 1015 cm−3) or anion vacancies (7.5 × 1015 cm−3) in ...
V. N. Abramov +4 more
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THE VACUUM ULTRAVIOLET PHOTOCHEMISTRY OF NUCLEOTIDES
Photochemistry and Photobiology, 1982Abstract— Photodestruction of nucleotides by vacuum UV (λ < 200 nm) and near UV radiation in thin films has been studied; the products were analyzed by thin‐layer chromatography. Vacuum UV photolysis leads to the rupture of the N‐glycosidic bond with liberation of bases, the quantum yield of the process being about 2 × 10‐4 for guanosine‐5 ...
, Dodonova NYa +3 more
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