Double-Knudsen-cell apparatus provides molecular beam from selected one of two Knudsen cells. Both cells maintained at same temperature. Molecular beam directed into mass spectrometer for measurement of vapor pressure of selected material component. Designed to minimize undesired thermal gradients, provides appropriate translation to place selected cell in position for sampling, and minimizes mixing of molecular beams from cells.
Double-Knudsen-Cell Apparatus Measures Alloy-Component Activities
NASA Tech Briefs ; 19 , 11
01.11.1995
Sonstige
Keine Angabe
Englisch
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