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Divinski, Sergiy V.,Lee, Jai Sung,Herzig, Christian Trans Tech Publications, Ltd. 2007 Materials science forum Vol.539 No.-
<P>The radiotracer technique was applied to measure self- (Fe, Ni) and solute- (Ag) grain boundary diffusion in nanocrystalline Fe-40wt.%Ni alloy. The nanocrystalline material was prepared by pressureless sintering of the nanoalloy powders. The nano-sized crystallites were found to be clustered in micrometer-large agglomerates. Two types of internal interfaces with fundamentally different properties exist in the nanomaterial: the grain boundaries between the nanocrystallites and the interfaces between the agglomerates. A complete and consistent model of the diffusion processes in such material is elaborated. Whereas the nanocrystalline boundaries reveal diffusivities, which are similar to those in coarse-grained material, diffusion along interagglomerate interfaces occurs faster by orders of magnitude. This behavior is explained by a nonrelaxed structure of the inter-agglomerate interfaces.</P>
MINERVA: SMALL PLANETS FROM SMALL TELESCOPES
WITTENMYER, ROBERT A.,JOHNSON, JOHN ASHER,WRIGHT, JASON,MCCRADY, NATE,SWIFT, JONATHAN,BOTTOM, MICHAEL,PLAVCHAN, PETER,RIDDLE, REED,MUIRHEAD, PHILIP S.,HERZIG, ERICH,MYLES, JUSTIN,BLAKE, CULLEN H.,EAST The Korean Astronomical Society 2015 天文學論叢 Vol.30 No.2
The Kepler mission has shown that small planets are extremely common. It is likely that nearly every star in the sky hosts at least one rocky planet. We just need to look hard enough-but this requires vast amounts of telescope time. MINERVA (MINiature Exoplanet Radial Velocity Array) is a dedicated exoplanet observatory with the primary goal of discovering rocky, Earth-like planets orbiting in the habitable zone of bright, nearby stars. The MINERVA team is a collaboration among UNSW Australia, Harvard-Smithsonian Center for Astrophysics, Penn State University, University of Montana, and the California Institute of Technology. The four-telescope MINERVA array will be sited at the F.L. Whipple Observatory on Mt Hopkins in Arizona, USA. Full science operations will begin in mid-2015 with all four telescopes and a stabilised spectrograph capable of high-precision Doppler velocity measurements. We will observe ~100 of the nearest, brightest, Sun-like stars every night for at least five years. Detailed simulations of the target list and survey strategy lead us to expect $15{\pm}4$ new low-mass planets.
Liu, Wanyang,Hashikata, Hirokuni,Inoue, Kayoko,Matsuura, Norio,Mineharu, Yohei,Kobayashi, Hatasu,Kikuta, Ken-Ichiro,Takagi, Yasushi,Hitomi, Toshiaki,Krischek, Boris,Zou, Li-Ping,Fang, Fang,Herzig, Rom Japanese Society for Hygiene 2010 Environmental health and preventive medicine.['97. Vol.15 No.2
<P>In an earlier study, we identified a locus for Moyamoya disease (MMD) on 17q25.3.</P>