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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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Atomic spectroscopy with the shock tube.

Shock tube applications in atomic spectroscopy, discussing relative and absolute line strengths for atomic species, transition probabilities and atomic excitation

Bengtson, R.↗

Aggregation of metallochlorophylls - Examination by spectroscopy

Nuclear magnetic resonance measurements determine which metallochlorophylls, besides magnesium-containing chlorophylls, possess coordination aggregation properties. Infrared spectroscopy reveals that only zinc pheophytin and zinc methyl pheophorbide showed significant coordination aggregation, whereas divalent nickel and copper did not.

Boucher, L. J.↗