Search Results - "Nakanishi, Nao"

Geochemical constraints on the formation of chondrules: Implication from Os and Fe isotopes and HSE abundances in metals from CR chondrites by Nakanishi, Nao, Yokoyama, Tetsuya, Okabayashi, Satoki, Iwamori, Hikaru, Hirata, Takafumi

“…CR chondrites are suitable for understanding the genetic linkage between metals and chondrules due to the unique characteristics of the coexisting metal phases…”
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Fractionation of highly siderophile elements in metal grains from unequilibrated ordinary chondrites: Implications for the origin of chondritic metals by Okabayashi, Satoki, Yokoyama, Tetsuya, Nakanishi, Nao, Iwamori, Hikaru

“…To investigate the formation processes of metal grains in chondrites, we measured the abundances of highly siderophile elements (HSEs: Re, Os, Ir, Ru, Pt, Rh,…”
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Re‐Os isotope systematics and fractionation of siderophile elements in metal phases from CBa chondrites by Nakanishi, Nao, Yokoyama, Tetsuya, Okabayashi, Satoki, Usui, Tomohiro, Iwamori, Hikaru

“…We report Os isotope compositions of metal grains in two CBa chondrites (Bencubbin and Gujba) determined using a micromilling sampling coupled with thermal…”
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Refinement of the Micro‐Distillation Technique for Isotopic Analysis of Geological Samples with pg‐Level Osmium Contents by Nakanishi, Nao, Yokoyama, Tetsuya, Ishikawa, Akira

“…In recent years, the 187Re–187Os isotope system has been increasingly used to study samples containing very small quantities of Os. For such samples,…”
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Dissipation of Tungsten-182 Anomalies in the Archean Upper Mantle: Evidence from the Black Hills, South Dakota, USA by Nakanishi, Nao, Puchtel, Igor S., Walker, Richard J., Nabelek, Peter I.

“…Most Eoarchean rocks are characterized by positive μ182W anomalies averaging ∼ +13 ppm (where μ182W values are the part per million difference in 182W/184W…”
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Tungsten-182 evidence for an ancient kimberlite source by Nakanishi, Nao, Giuliani, Andrea, Carlson, Richard W., Horan, Mary F., Woodhead, Jon, Pearson, D. Graham, Walker, Richard J.

“…Globally distributed kimberlites with broadly chondritic initial 143Nd-176Hf isotopic systematics may be derived from a chemically homogenous, relatively…”
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Re‐Os isotope systematics and fractionation of siderophile elements in metal phases from CB a chondrites by Nakanishi, Nao, Yokoyama, Tetsuya, Okabayashi, Satoki, Usui, Tomohiro, Iwamori, Hikaru

“…We report Os isotope compositions of metal grains in two CB a chondrites (Bencubbin and Gujba) determined using a micromilling sampling coupled with thermal…”
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Zirconium isotope composition indicates s ‐process depletion in samples returned from asteroid Ryugu by Schönbächler, Maria, Fehr, Manuela A., Yokoyama, Tetsuya, Gautam, Ikshu, Nakanishi, Nao, Abe, Yoshinari, Aléon, Jérôme, Alexander, Conel, Amari, Sachiko, Amelin, Yuri, Bajo, Ken‐ichi, Bizzarro, Martin, Bouvier, Audrey, Carlson, Richard W., Chaussidon, Marc, Choi, Byeon‐Gak, Dauphas, Nicolas, Davis, Andrew M., Di Rocco, Tommaso, Fujiya, Wataru, Fukai, Ryota, Haba, Makiko K., Hibiya, Yuki, Hidaka, Hiroshi, Homma, Hisashi, Hoppe, Peter, Huss, Gary R., Ichida, Kiyohiro, Iizuka, Tsuyoshi, Ireland, Trevor, Ishikawa, Akira, Itoh, Shoichi, Kawasaki, Noriyuki, Kita, Noriko T., Kitajima, Koki, Kleine, Thorsten, Komatani, Shintaro, Krot, Alexander N., Liu, Ming‐Chang, Masuda, Yuki, Morita, Mayu, Motomura, Kazuko, Moynier, Frédéric, Nakai, Izumi, Nagashima, Kazuhide, Nguyen, Ann, Nittler, Larry, Onose, Morihiko, Pack, Andreas, Park, Changkun, Piani, Laurette, Qin, Liping, Russell, Sara, Sakamoto, Naoya, Tafla, Lauren, Tang, Haolan, Terada, Kentaro, Terada, Yasuko, Usui, Tomohiro, Wada, Sohei, Wadhwa, Meenakshi, Walker, Richard J., Yamashita, Katsuyuki, Yin, Qing‐Zhu, Yoneda, Shigekazu, Young, Edward D., Yui, Hiroharu, Zhang, Ai‐Cheng, Nakamura, Tomoki, Naraoka, Hiroshi, Noguchi, Takaaki, Okazaki, Ryuji, Sakamoto, Kanako, Yabuta, Hikaru, Abe, Masanao, Miyazaki, Akiko, Nakato, Aiko, Nishimura, Masahiro, Okada, Tatsuaki, Yada, Toru, Yogata, Kasumi, Nakazawa, Satoru, Saiki, Takanao, Tanaka, Satoshi, Terui, Fuyuto, Tsuda, Yuichi, Watanabe, Sei‐ichiro, Yoshikawa, Makoto, Tachibana, Shogo, Yurimoto, Hisayoshi

“…Nucleosynthetic isotope variations are powerful tracers to determine genetic relationships between meteorites and planetary bodies. They can help to link…”
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As turbines spin, China's grid groansInfrastructure fails to keep pace as wind power is growing by Nakanishi, Nao

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Commodities pay off for Noble founder; ON THE MOVE by Miles, Tom, Nakanishi, Nao

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A fight to feed China's population; Beijing tries to offset threat to farmlands by Shuping, Niu, Nakanishi, Nao

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Less angst anticipated over Vale's Xstrata bid by Nakanishi, Nao, Regan, James

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Google Will Offer Free Tool for Energy Savings 268410 by Nakanishi, Nao, Henderson, Keiron

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