576 results on '"isotope ratio"'
Search Results
2. Determining the extent of oxidation of sulfur dioxide in power plant plumes from isotopic ratio measurements. [Sampling of plumes using single-engine aircraft]
3. Fecal /sup 13/C analysis for the detection and quantitation of intestinal malabsorption
4. Distribution of natural radionuclides in native soils of southern Saskatchewan, Canada
5. Comparative molecular, elemental, and U-Pb isotopic composition of stratiform and dispersed-globular matter in the paleoproterozoic uraniferous metasediments, Elliot Lake, Canada
6. Comparison of procedures for reducing cross-contamination during steam distillations in nitrogen-15 tracer research
7. Caminite: a new magnesium-hydroxide-sulfate-hydrate mineral found in a submarine hydrothermal deposit, East Pacific Rise, 21/sup 0/N
8. [sup 36]Cl/Cl accelerator-mass-spectrometry standards: Verification of their serial-dilution-solution preparations by radioactivity measurement
9. Ion and sulfate-isotope ratios in arid soils subject to wind erosion in the southwestern USA
10. Energy flow in an arctic aquatic ecosystem
11. Rangeland -- Plant responses to elevated CO sub 2
12. Composition of phytoplankton communities and their contribution to secondary productivity in Carolina Bays on the Savannah River Plant
13. Stable isotopic study of precipitation and spring discharge on the Nevada Test Site
14. Development of analytical procedures for coprocessing
15. DEEP MIXING IN EVOLVED STARS. II. INTERPRETING Li ABUNDANCES IN RED GIANT BRANCH AND ASYMPTOTIC GIANT BRANCH STARS
16. RESOLVING THE CO SNOW LINE IN THE DISK AROUND HD 163296
17. ISOTOPIC COMPOSITION OF LIGHT NUCLEI IN COSMIC RAYS: RESULTS FROM AMS-01
18. Branches of {sup 33}S(p,{gamma}){sup 34}Cl at oxygen-neon nova temperatures
19. HINTS FOR NEUTRINO-PROCESS BORON IN PRESOLAR SILICON CARBIDE GRAINS FROM SUPERNOVAE
20. Measurements of nuclear {gamma}-ray line emission in interactions of protons and {alpha} particles with N, O, Ne, and Si
21. CONVECTIVE-REACTIVE PROTON-{sup 12}C COMBUSTION IN SAKURAI'S OBJECT (V4334 SAGITTARII) AND IMPLICATIONS FOR THE EVOLUTION AND YIELDS FROM THE FIRST GENERATIONS OF STARS
22. First Experimental Measurement of the {sup 18}O(p,{alpha}){sup 15}N Reaction at Astrophysical Energies
23. RELATIVE COMPOSITION AND ENERGY SPECTRA OF LIGHT NUCLEI IN COSMIC RAYS: RESULTS FROM AMS-01
24. Near- to mid-IR refractive index of {sup 28}Si, {sup 29}Si and {sup 30}Si monoisotopic single crystals
25. EFFECT OF HIGH-ENERGY RESONANCES ON THE {sup 18}O(p, {alpha}){sup 15}N REACTION RATE AT AGB AND POST-AGB RELEVANT TEMPERATURES
26. A COMPREHENSIVE SURVEY OF HYDROGEN CHLORIDE IN THE GALAXY
27. MULTIPLE ORIGINS OF NITROGEN ISOTOPIC ANOMALIES IN METEORITES AND COMETS
28. NanoSIMS STUDIES OF SMALL PRESOLAR SiC GRAINS: NEW INSIGHTS INTO SUPERNOVA NUCLEOSYNTHESIS, CHEMISTRY, AND DUST FORMATION
29. The Trojan Horse Method as a tool to investigate low-energy resonances: the {sup 18}O(p, {alpha}){sup 15}N and {sup 17}O(p, {alpha}){sup 14}N cases
30. COORDINATED ANALYSES OF PRESOLAR GRAINS IN THE ALLAN HILLS 77307 AND QUEEN ELIZABETH RANGE 99177 METEORITES
31. LITHIUM-BERYLLIUM-BORON ISOTOPIC COMPOSITIONS IN METEORITIC HIBONITE: IMPLICATIONS FOR ORIGIN OF {sup 10}Be AND EARLY SOLAR SYSTEM IRRADIATION
32. BORON SYNTHESIS IN TYPE Ic SUPERNOVAE
33. Neutron physics of the Re/Os clock. II. The (n,n{sup '}) cross section of {sup 187}Os at 30 keV neutron energy
34. Isospin transport effects in nuclear reactions at 25 MeV/nucleon
35. AUTOMATED NanoSIMS MEASUREMENTS OF SPINEL STARDUST FROM THE MURRAY METEORITE
36. ON THE NEED FOR DEEP-MIXING IN ASYMPTOTIC GIANT BRANCH STARS OF LOW MASS
37. New Developments in Experimental Thermonuclear Reactions
38. Resonance strengths in the {sup 14}N(p,gamma){sup 15}O and {sup 15}N(p,alphagamma){sup 12}C reactions
39. AN INVESTIGATION INTO THE ORIGIN OF Fe-RICH PRESOLAR SILICATES IN ACFER 094
40. OXYGEN ISOTOPIC RATIOS IN COOL R CORONAE BOREALIS STARS
41. THE {nu}{sub 8} BENDING MODE OF DIACETYLENE: FROM LABORATORY SPECTROSCOPY TO THE DETECTION OF {sup 13}C ISOTOPOLOGUES IN TITAN'S ATMOSPHERE
42. Diminished cage effect in solid p-H{sub 2}: Infrared spectra of ClSCS, ClCS, and ClSC in an irradiated p-H{sub 2} matrix containing Cl{sub 2} and CS{sub 2}
43. ISOTOPIC ANALYSIS OF SUPERNOVA SiC AND Si{sub 3}N{sub 4} GRAINS FROM THE QINGZHEN (EH3) CHONDRITE
44. A NOVEL APPROACH TO MEASURE THE CROSS SECTION OF THE {sup 18}O(p, alpha){sup 15}N RESONANT REACTION IN THE 0-200 keV ENERGY RANGE
45. OXYGEN ISOTOPIC COMPOSITIONS OF SOLAR CORUNDUM GRAINS
46. ON THE OXYGEN ISOTOPIC COMPOSITION OF THE SOLAR SYSTEM
47. Infrared absorption of GeNNO isolated in solid Ar
48. Two-color, Doppler-free ionization of molecular hydrogen for isotopic analysis
49. Carbon dioxide effects research and assessment program. Proceedings of the International Meeting on Stable Isotopes in Tree-Ring Research, New Paltz, New York, May 22-25, 1979
50. Isotopic analysis of enriched boron by chemical ionization mass spectroscopy
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