Browsing ELibrary by Author "Nagao K."
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Browsing ELibrary by Author "Nagao K."
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Nakamura T.; Nagao K.; Metzler K.; Takaoka N. (1999)Distribution of solar, cosmogenic, and primordial noble gases in thin slices of Murchison, Murray, and Nogoya CM carbonaceous chondrites was determined by the laser microprobe analysis so as to put some constraints on the ...
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Nakamura T.; Nagao K.; Takaoka N. (1999)In situ noble gas analyses using a laser microprobe with a beam diameter of 50-100 μm were performed on thin slices of Murchison and Yamato (Y-) 791198 CM carbonaceous chondrites in order to see microdistribution of ...
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Okazaki R.; Nakamura T.; Takaoka N.; Nagao K. (2003)Noble gases in two ureilites, Kenna and Allan Hills (ALH) 78019, were measured with two extraction methods: mechanical crushing in a vacuum and heating. Large amounts of noble gases were released by crushing, up to 26.5% ...
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Miura Y.N.; Nagao K.; Sugiura N.; Fujitani T.; Warren P.H. (1998)Noble gases including radioactive 81Kr (t1/2 = 2.1 × 105 yr) have been measured for the cumulate eucrite Binda and five noncumulate eucrites, Béréba, Camel Donga, Juvinas, Millbillillie, and Stannern, some of which have ...
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