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JAEA Reports

Analysis by fracture network modelling

WILLIAM S.DERSHO*; *

JNC-TJ8440 2000-001, 408 Pages, 2000/02

JNC-TJ8440-2000-001.pdf:21.62MB

None

JAEA Reports

Certification of reliability of nuclide migration data

Ueda, Shinzo*; *; *; *

JNC-TJ8400 2000-002, 316 Pages, 2000/02

JNC-TJ8400-2000-002.pdf:14.28MB

Japan Nuclear Cycle Development Institute (JNC) have been setting migration parameters and developing its database for the 2nd Progress Report of HLW Geological Disposal (H12 Report). In this study, experimentswere carried out to certify the reliability of parameters and scenario, and examination was carried out to survey procedures of quality management. The main contents are as follows. (1)Data acquisition for certification of migration parameters. The effect of NH$$_{3}$$ complex of Pd on distribution coefficients (Kd) of Pd on both bentonite and rocks, and the effect of sulfate and carbonate complexes of Am on Kds of Am on bentonite are investigated. Kds of Pd depended on NH$$_{4}^{+}$$ concentration in aqueous. The dependence varied with pH. Effects of sulfate and carbonate complexes on Kds of Am were not remarkable. Apparent diffusivities of Cs in bentonite saturated by saline water were measured. It was confirmed that the apparent diffusivities of Cs in saline water were similar to those in pure water. (2)Evaluation of colloidal effect on nuclide migration. An evaluation of validity of analytical model (Hwang's model) for nuclide migration under existence of colloids and investigation of characterization of colloids in groundwater were carried out. As the results, it was indicated that the Hwang's model was appropriate, and it was found that samplingtechnique influenced concentration and size distribution of colloids. (3)Influence of organic substances on solubility. Solubility of Th was measured under the condition with humic acid and carbonate. It increased roughly in proportion to the concentration of humic acid. And it was remarkably high under the condition with carbonate. It was confirmed that Th solubility data set in H12 report was conservative, even though humic acid existed in groundwater. (4)Use of Mechanistic Models for Safety Assessment. The integrated sorption/diffusion model has been used to calculate K$$_{d}$$, D$$_{a}$$ and D$$_{e}$$ values ...

JAEA Reports

None

Sato, Toshinori

JNC-TN7400 99-012, 99 Pages, 1999/12

JNC-TN7400-99-012.pdf:6.13MB

JAEA Reports

Working Programme for MIU-4 Boreholo Investigations

; ; Metcalf; ; ; ; Takeuchi, Shinji

JNC-TN7410 99-007, 44 Pages, 1999/08

JNC-TN7410-99-007.pdf:2.59MB

JAEA Reports

None

*; *; *; *

PNC-TJ7409 98-002, 91 Pages, 1998/03

PNC-TJ7409-98-002.pdf:3.16MB

None

JAEA Reports

None

*; *; *; *

PNC-TJ7409 98-001, 254 Pages, 1998/03

PNC-TJ7409-98-001.pdf:9.23MB

None

JAEA Reports

None

*; *; *; *

PNC-TJ1222 98-009, 610 Pages, 1998/02

PNC-TJ1222-98-009.pdf:17.71MB

None

JAEA Reports

None

PNC-TN1000 97-003, 55 Pages, 1997/03

PNC-TN1000-97-003.pdf:2.0MB

no abstracts in English

JAEA Reports

None

*; Morooka, Koichi*; *; *; *; *

PNC-TJ1211 97-002, 774 Pages, 1997/03

PNC-TJ1211-97-002.pdf:30.98MB

None

JAEA Reports

None

Ogata, Nobuhisa; Koide, Kaoru; ;

PNC-TN7420 96-008, 14 Pages, 1996/08

PNC-TN7420-96-008.pdf:0.67MB

None

JAEA Reports

None

*; Sato, Shinya*

PNC-TJ7417 96-001, 163 Pages, 1996/03

PNC-TJ7417-96-001.pdf:44.76MB

no abstracts in English

JAEA Reports

None

PNC-TJ1205 95-003, 90 Pages, 1995/05

PNC-TJ1205-95-003.pdf:4.92MB

None

JAEA Reports

None

Hirata, Yoichi*

PNC-TJ7439 95-004, 46 Pages, 1995/03

PNC-TJ7439-95-004.pdf:5.19MB

no abstracts in English

JAEA Reports

None

Hirata, Yoichi*

PNC-TJ7439 95-003, 45 Pages, 1995/03

PNC-TJ7439-95-003.pdf:1.13MB

no abstracts in English

JAEA Reports

None

*; Morooka, Koichi*; *; *

PNC-TJ1211 95-001, 75 Pages, 1995/03

PNC-TJ1211-95-001.pdf:2.1MB

None

JAEA Reports

None

*; Ito, Kenji*; *; Oyamada, Kiyoshi*

PNC-TJ1561 95-001, 107 Pages, 1995/02

PNC-TJ1561-95-001.pdf:3.08MB

None

JAEA Reports

None

PNC-TJ7439 94-003, 50 Pages, 1994/03

PNC-TJ7439-94-003.pdf:9.9MB

no abstracts in English

JAEA Reports

None

PNC-TJ7439 94-002, 131 Pages, 1994/03

PNC-TJ7439-94-002.pdf:5.82MB

no abstracts in English

JAEA Reports

None

PNC-TJ1458 94-004, 64 Pages, 1994/03

PNC-TJ1458-94-004.pdf:1.44MB

None

28 (Records 1-20 displayed on this page)