Zobrazeno 1 - 10
of 46
pro vyhledávání: '"G. Langhans"'
Investigation of reactive bimetallic Ni-Al particles as a heat source for microwave-assisted joining
Publikováno v:
Journal of Materials Processing Technology. 282:116637
Thermal joining of materials with dissimilar thermo-physical properties requires an efficient and adaptable energy input that does not lead to thermal damage of the joining partners. Reactive particles provide a promising solution for this purpose as
Publikováno v:
Zeitschrift f�r Physik D Atoms, Molecules and Clusters. 34:151-155
Picosecond laser-induced fluorescence spectroscopy and a pulsed hollow cathode discharge are applied to measure 66 radiative lifetimes of Ta II, Ti II, Ce II, Zr II, Zr I, and Fe I levels. In the present investigation systematic influences like polar
Publikováno v:
Physics Letters A. 183:205-208
The radiative lifetime of the Kr III 5p 5P3 level has been measured by the technique of time-resolved laser-induced fluorescence and a novel ion source. In a first step doubly charged krypton ions are prepared by the combination of a pulsed electron
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Autor:
J. P. Troup, L. J. D'acquisto, H. Bone, S. H. Arredondo, S. Takahashi, G. Langhans, C. Letner
Publikováno v:
Medicine & Science in Sports & Exercise. 22:S124
Publikováno v:
Physica Scripta. 36:890-894
13 radiative Lifetimes of V II levels are reported. They are measured by selective laser excitation and time resolved observation of the fluorescence. The short-lived z 5Dj0 were excited by tunable dye laser pulses of less than 1 ns (FHWD) duration a
Autor:
G. Langhans, U. Heber
Publikováno v:
International Astronomical Union Colloquium. 87:309-312
SB 939 was analyzed spectroscopically for the basic atmospheric parameters Teff, log g and helium content. It was shown to be an intermediate helium star (helium abundance = 22% by number) situated unusually far away from star-forming regions.
Publikováno v:
Physica Scripta. 39:246-250
Radiative lifetimes of eleven argon II and krypton II levels have been determined using selective pulsed laser excitation and time resolved observation of the reemitted fluorescence. The laser excitation was performed from metastable Ar II and Kr II
Publikováno v:
Chemie Ingenieur Technik. 38:65-69
Die kontinuierliche Herstellung von Tetrachlorkohlenstoff durch katalytische Dismutierung von Phosgen ist wirtschaftlich von Interesse, da hierbei im Gegensatz zur Methan-Chlorierung kein Chlor durch Umsetzung zu Chlorwasserstoff entwertet wird. Als