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Maeda, Toshihiro*; Horita, Masakuni*; *; Muroi, Tatsumi*
JNC TJ5410 2004-008, 202 Pages, 2004/03
JNC-TJ5410-2004-008.pdf:57.98MB
This work contains the following task to achieve the above-mentioned purpose; 1) measurement of pressure distribution before groundwater sampling. 2) continuous groundwater sampling from 3 different depths(227 to 231m, 285 to 289m, 477 to 479m). 3) groundwater sampling in confined pressure condition from the 3 different depths. 4) measurement of pressure distribution after groundwater sampling.
Maeda, Toshihiro*; Horita, Masakuni*; Muroi, Tatsumi*
JNC TJ5410 2004-006, 119 Pages, 2003/12
JNC-TJ5410-2004-006.pdf:75.4MB
This contract is involved in installation of the multiple piezometric logger system (MP system) in order to make long-term measurement of groundwater pressure distribution and groundwater chemistry in boreholes.After installation of the measurement system, the function of the system was tested by measuring the pressure along the borehole and taking a water sample.
Mitsugi, Takeshi; Odo, Toshihiro; Abe, Tomoyuki; Isozaki, Kazunori; Maeda, Koji; Ito, Chikara
Genshiryoku eye, 49(9), 1 Pages, 2003/08
Focusing on the cover layer materials (as the Radon Barrier Materials), which could have the effect to restrain the radon from scattering into the air and the effect of the radiation shielding, we produced the radon barrier materials with crude bentonite on an experimental basis, using the rotary type comprehensive unit for grinding and mixing, through which we carried out the evaluation of the characteristics thereof.
Maeda, Yukimoto; Aoyama, Takafumi; Odo, Toshihiro; Nakai, Satoru;
P96, 96 Pages, 2002/00
None
Maeda, Akio; Oba, Toshihiro; Kikuchi, Hiroyuki; Shibata, Katsuyuki
JAERI-Tech 2001-003, 48 Pages, 2001/02
JAERI-Tech-2001-003.pdf:5.95MB
no abstracts in English
*; *; Odo, Toshihiro
PNC TN9410 89-030, 111 Pages, 1989/02
This report summarizes preliminary results on experiments, analyses and evaluations performed by Reactor Technology Section, Experimental Reactor Division during october through December, 1988. All results described in the repoprt were released with internal memoranda of Reactor Technology Section, before detailed analyses, evaluations, and/or discussions. Each result is classified into the following categories according to its content. (1)Results of measurements, analyses and evaluations for nuclear characteristics in JOYO. (2)Results of measurements and analyses for the plant characteristics of JOYO. (3)Results of measurements and analyses of neutron flux, gamma ray and decay heat of JOYO. (4)Preparation of Construction Permit Amendment for the operational reliability tests of FBR fuel assembly. (5)Preparation of Construction Permit Amendment for spent fuel strage facility. (6)Results of study and development for analytical technic. (7)Production and/or arrangements of analyses codes and their manual. (8)Analyses and evaluations on MK-III Core. (9)Miscellaneous results. Table classified by kind of work are added. After detailed discussions, analyses and evaluations, the final report for each program will be published, respectively.