Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Hiroto Yokoi"'
Publikováno v:
IEEJ Transactions on Electronics, Information and Systems. 142:64-73
Publikováno v:
Water Supply. 15:26-33
An automatic coagulant dosage control technology for water purification plants was developed to deal with rapid changes of feed water quality. Control logic was developed to decide coagulant dosage based on aluminum concentration in the mixing tanks.
Publikováno v:
Water Supply. 12:918-925
An automatic coagulant dosage control technology for water purification plants was developed to deal with rapid changes of raw water quality parameters. Control logic was developed to decide coagulant dosage based on aluminum concentration in rapid m
Autor:
Atsushi Watanabe, Hiroto Yokoi
Publikováno v:
Journal of Nuclear Science and Technology. 44:1317-1323
Secondary products (aerosol, gas and swarf) are released in the work area when cutting nuclear reactor components are underwater during component replacement. We studied the characteristics and behavior of the secondary products produced during cutti
Autor:
Hiroto Yokoi, Toshihiko Ohmichi, N. Nitani, Tsuneo Matsui, Tadasumi Muromura, Toshiyuki Yamashita
Publikováno v:
Journal of Nuclear Materials. 247:59-62
Phase relations of fuel materials and simulated spent fuels in two Th0 2 -MgAl 2 0 4 -A1 2 0 3 and Zr0 2 (Y, Gd)-MgAl 2 0 4 -Al 2 0 3 systems have been studied to confirm the formation of geologically stable fuels which consist of rock-like phases. T
Autor:
Hirotake Shigematsu, Tsuneo Matsui, Yuji Arita, Takanori Nagasaki, Yutaka Hanajiri, Hiroto Yokoi
Publikováno v:
Journal of Nuclear Materials. 247:285-288
The solubility limits of Ce, Nd and U in CaTi0 3 , one of the promising host matrix for fixation of lanthanide and actinide elements, were determined by X-ray diffraction to be between 20 and 30 mol%, between 20 and 30 mol% and between 0 and 3 mol%,
Publikováno v:
Journal of Nuclear Materials. 238:163-168
The local structures around Zr atoms such as coordination number of oxygen and cations, and the Zr O and Zr Ln (Ln: La, Nd and Ce) interatomic distances in the (La1−xMx)2Zr2O7 (M Nd or Ce with x = 0–1.0) pyrochlore compounds, where Nd and Ce are
Publikováno v:
High Temperatures-High Pressures. :629-636
Publikováno v:
Journal of Nuclear Materials. 209:174-179
The vapor pressures over the two kinds of two-phase mixtures, ZrO2 + BaZrO3 and BaZrO3 + Ba2ZrO4, were measured by mass-spectrometry in the temperature range of 1899–2085 K and 1566–1732 K, respectively. As the main gas species, only BaO(g) was i
Conference
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