... lunar geology M. G. Langseth,1 F. E. Ruccia,' and A. E. Wechsler Thermal Conductivity of Evacuated Glass Beads: Line Source Measurements in a Large Volume Bead Bed Between 225 and 300 K REFERENCE: Langseth, M. G., Ruccia, F. E., and Wechsler, A. E., "Thermal Conductivity of Evacuated Glass Beads...

... was 10 micrograms per square foot of critical surface and flush samples with particles over 750 µm in size required recleaning. This resulted in providing the scientific community with samples whose integrity had not been compromised during preliminary investigations and allocations. lunar geology...

... Within the framework of engineering constraints and of scientific uncertainties, the Apollo project has proved a great scientific success. A brief history is presented of the lunar exploration as it evolved through the unmanned probes to Apollo 16. sampling lunar geology lunar rock...

... samples containing less than 0.1-ppm total organic contamination, which is as low or lower than the experimental blanks obtained in organic geochemical research laboratories. lunar analysis organic matter lunar geology contamination cleaning monitors organic chemistry mass spectrometry B. R...

... with pressure of crystal-field bands of divalent iron in pyroxene suggest that pressure will enhance the properties of thermal transfer by radiation. Thermal radiation could be an efficient mechanism for heat flow in the lunar interior. lunar analysis lunar geology crystals optical spectrometers lunar...

...: opal glass, bauxite, Na-feldspar, argillaceous limestone, dolomitic limestone, and the phosphate rock; the U.S. Geological Survey biotite LP-6; and the Smithsonian Institution “AUende meteorite.” lunar analysis lunar geology oxygen analysis fast neutrons lunar rock standards meteorites...

... elements found in lunar samples can be determined via the technique of instrumental neutron activation analysis employing these two relatively inexpensive neutron sources. lunar geology neutron activation analysis lunar analysis neutrons neutron sources chemical analysis analyzing Morteza...

... integrated neutron fluxes is pointed up. lunar analysis isotopes neutron activation analysis rhenium tungsten neutron irradiation neutron flux neutron spectra lunar geology isotopic anomaly R. Michel,^ U. Herpers,^ H. Kulus,^ and W. Herr ^ Isofopic Abundance DeterminaHon of Submicro Amounts...