Characterization of High Temperature Vapors and Gases: Proceedings of the 20th Materials Research Symposium Held at the National Bureau of Standards, Gaithersburg, Maryland, September 18-22, 1978, Part 1John W. Hastie U.S. Department of Commerce, National Bureau of Standards, 1979 - 1726 pages |
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Page 21
... signal averaging , ion counting , and phase sensitive detection have increased the sensitivity and allowed determination of species in lower concentrations . Increased use of radiation rather than electron bombardment heating , and ...
... signal averaging , ion counting , and phase sensitive detection have increased the sensitivity and allowed determination of species in lower concentrations . Increased use of radiation rather than electron bombardment heating , and ...
Page 22
... signals from backgroun gases in the mass spectrometer . - Several problems arise with the use of low ionizing energies . Non - metal atoms have ionization potentials much higher than metals in general , so use of electron energies low ...
... signals from backgroun gases in the mass spectrometer . - Several problems arise with the use of low ionizing energies . Non - metal atoms have ionization potentials much higher than metals in general , so use of electron energies low ...
Page 74
... signals are transmitted to a laboratory computer where the mathematical analyses are done by means described ... signal encoder and computer interface ; ( 7 ) a clock and computer interface ; and ( 8 ) a laboratory computer . The ...
... signals are transmitted to a laboratory computer where the mathematical analyses are done by means described ... signal encoder and computer interface ; ( 7 ) a clock and computer interface ; and ( 8 ) a laboratory computer . The ...
Page 77
... signal produced is conditioned by a preamplifier circuit on a small printed - circuit board attached to the back of the photodetector mounting post . The conditioned signal is transmitted to an encoder circuit which generates a binary ...
... signal produced is conditioned by a preamplifier circuit on a small printed - circuit board attached to the back of the photodetector mounting post . The conditioned signal is transmitted to an encoder circuit which generates a binary ...
Page 91
... signals of the photomultipliers were recorded on transient digitizers interfaced to a disc storage system and a digital computer . A digital or graphical record of the temperature signal was stored . At 5000 K , a temperature resolution ...
... signals of the photomultipliers were recorded on transient digitizers interfaced to a disc storage system and a digital computer . A digital or graphical record of the temperature signal was stored . At 5000 K , a temperature resolution ...
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Common terms and phrases
absorption analysis argon atoms bands bond calculated carrier gas Characterization of High Chem chemical collision Combustion complex composition constant density detector diameter diatomic diffusion dimer dissociation distribution Drowart effects effusion cell electron diffraction energy equation equilibrium equilibrium constants expansion experimental experiments flow frequency furnace gaseous gases geometry Gingerich halides heat pipe High Temperature Vapors infrared ion current ion intensity ion source ionization isotope JANAF kcal/mol Knudsen cell Laboratory laser Mach number mass spectrometer matrix isolation measurements metal method molecular beam molecules N₂ NaCl nozzle observed obtained optical orifice oxide parameters partial pressures peak percent phase photolysis Phys pumping pyrometer Raman Raman scattering Raman spectroscopy range ratio reaction region relative rotational sampling sensitivity shown in figure signal skimmer spectra spectroscopy spectrum stoichiometry structure studies surface technique thermocouple thermodynamic Torr transition tube vacuum values vapor pressure vapor species vibrational X/Do
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