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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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At least 343 records · Page 19

Direct measurement of carbon-14 in carbon dioxide by liquid scintillation counting

Liquid scintillation counting technique is applied to the direct measurement of carbon-14 in carbon dioxide. This method has high counting efficiency and eliminates many of the basic problems encountered with previous techniques. The technique can be used to achieve a percent substitution reaction and is of interest as an analytical technique.

Horrocks, D. L.↗

Continuous analysis of nitrogen dioxide in gas streams of plants

Analyzer and sampling system continuously monitors nitrogen dioxide concentrations in the feed and tail gas streams of a facility recovering nitric acid. The system, using a direct calorimetric approach, makes use of readily available equipment and is flexible and reliable in operation.

Durkin, W. T.↗

Oxygen-carbon dioxide-energy

Factors determining oxygen consumption and carbon dioxide production in relation to oxygen supplies required for maximum work capacity during manned space flight

Roth, E. M.↗