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Journal Articles

Variation of $$^{14}$$C, $$^{137}$$Cs and stable carbon composition in forest soil and its implications

Guo, J.; Atarashi-Andoh, Mariko; Amano, Hikaru

Journal of Radioanalytical and Nuclear Chemistry, 255(1), p.223 - 229, 2003/01

https://doi.org/10.1023/A:1022281226010
 Times Cited Count：7 Percentile：45.77(Chemistry, Analytical)

Soil organic matter content, $$delta$$$$^{13}$$C, $$^{14}$$C and $$^{137}$$Cs radioactivity were determined in 3 undisturbed forest soil profiles in Ibaraki prefecture, Japan to estimate $$^{14}$$C migration in surface environment. The $$^{137}$$Cs data illustrate that no disturbance has occurred during past years in 3 soil profiles. The peak values are observed in the top 10 cm of the soil profiles. $$^{14}$$C activities were determined with fast bomb combustion-liquid scintillation counting method. $$^{14}$$C determination shows that $$^{14}$$C also has peak values in the top 10 cm of the soil profiles ascribed to the highest bomb $$^{14}$$C level in 1960's.$$delta$$$$^{13}$$C values continuously decreased with increasing soil depth. Enrichment of deeper soils in isotope ratio probably results from discrimination against $$^{13}$$C during mineralization and loss of isotopically lighter carbon from soils due to root uptake, leaching etc.It shows that $$delta$$$$^{13}$$C is an excellent indicator of soil carbon turnover and belowground process.

Journal Articles

Interdiffusion in the U-Zr system at $$delta$$-phase compositions

Akabori, Mitsuo; Ito, Akinori; Ogawa, Toru; *

Journal of Alloys and Compounds, 271-273, p.597 - 601, 1998/00

https://doi.org/10.1016/S0925-8388(98)00167-4
 Times Cited Count：15 Percentile：66.59(Chemistry, Physical)

no abstracts in English

Journal Articles

Experimental study of high-power millimeter wave transmission of sapphire window for electron cyclotron range of frequencies system

Kasugai, Atsushi; Takahashi, Koji; Sakamoto, Keishi; Yamamoto, Takumi; Tsuneoka, Masaki; Kariya, Tsuyoshi*; Imai, Tsuyoshi

Japanese Journal of Applied Physics, Part 1, 36(5A), p.2883 - 2887, 1997/00

https://doi.org/10.1143/JJAP.36.2883
 Times Cited Count：4 Percentile：27.96(Physics, Applied)

no abstracts in English

Journal Articles

Temperature effects on radiation induced phenomena in polytetrafluoroethylene (PTFE); Change of G-value

*; Ikeda, Shigetoshi*; Kudo, Hisaaki; Seguchi, Tadao; Tabata, Yoneho*

Radiation Physics and Chemistry, 50(6), p.611 - 615, 1997/00

https://doi.org/10.1016/S0969-806X(97)00103-5
 Times Cited Count：60 Percentile：95.92(Chemistry, Physical)

no abstracts in English

Journal Articles

High temperature $$gamma$$-ray irradiation effects of varnish wires

Yagi, Toshiaki; Morita, Yosuke; Seguchi, Tadao; *; *; *

DEI-95-128, 0, p.39 - 48, 1995/12

no abstracts in English

Journal Articles

Gas separation performance of a hollow-filament type polyimide membrane medule for a compact tritium removal system

Hayashi, Takumi; Yamada, Masayuki; Suzuki, Takumi; Matsuda, Yuji; Okuno, Kenji

Fusion Technology, 28(3), p.1503 - 1508, 1995/10

no abstracts in English

Journal Articles

High power experiment of MM wave transmission with sapphire

Kasugai, Atsushi; Takahashi, Koji; Sakamoto, Keishi; Tsuneoka, Masaki; Kariya, Tsuyoshi*; Imai, Tsuyoshi

Conf. Digest; 20th Int. Conf. on Infrared and Millimeter Waves, 0, p.18 - 19, 1995/00

no abstracts in English

Journal Articles

Lattice stability and structure of $$delta$$-UZr$$_{2}$$ at elevated temperatures

Akabori, Mitsuo; Ogawa, Toru; Ito, Akinori; Morii, Yukio

Journal of Physics; Condensed Matter, 7, p.8249 - 8257, 1995/00

https://doi.org/10.1088/0953-8984/7/43/005
 Times Cited Count：46 Percentile：89.25(Physics, Condensed Matter)

no abstracts in English

Journal Articles

Statistical analyses of variability/reproducibility of environmentally-assisted cyclic crack growth rate data relative to $$Delta$$K control modes

Tsuji, Hirokazu; ; Nakajima, Hajime; Kondo, Tatsuo

Journal of Nuclear Materials, 202, p.79 - 86, 1993/00

https://doi.org/10.1016/0022-3115(93)90031-S
 Times Cited Count：1 Percentile：18.76(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

In-situ observation of an austenitic stainless steel weld joint during helium irradiation

Hamada, Shozo; Hojo, Kiichi; Hishinuma, Akimichi

Journal of Nuclear Materials, 205, p.219 - 224, 1993/00

https://doi.org/10.1016/0022-3115(93)90084-C
 Times Cited Count：3 Percentile：38.07(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Effect of $$Delta$$K control modes on variability/reproducibility of fatigue crack growth rate data

Tsuji, Hirokazu; Nakajima, Hajime; Kondo, Tatsuo

Journal of Nuclear Materials, 189, p.65 - 71, 1992/00

https://doi.org/10.1016/0022-3115(92)90419-L
 Times Cited Count：4 Percentile：41.92(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Radiation degradation of a new biodegradable copolyester consisting of epsilon-caprolactone and delta-valerolactone prepared by direct polycondensation in the absence of catalysts

*; *; Yoshida, Masaru; *; Asano, Masaharu; Kumakura, Minoru

Radiation Physics and Chemistry, 39(2), p.235 - 236, 1992/00

https://doi.org/10.1016/1359-0197(92)90046-I

no abstracts in English

Journal Articles

A New biodegradable implant consisting of waxy-type poly($$varepsilon$$-caprolactone-co-$$delta$$-valerolactone) and estramustine

*; Yoshida, Masaru; *; Asano, Masaharu; Kumakura, Minoru; Mashimo, Toru*; Yamanaka, Hidetoshi*; *

Int. J. Pharm., 68, p.87 - 95, 1991/00

https://doi.org/10.1016/0378-5173(91)90130-G

no abstracts in English

Journal Articles

Phase relation and thermodynamic properties of cubic fluorite-type solid solution, Ba$$_{y/2}$$Y$$_{y/2}$$U$$_{1-y}$$O$$_{2+x}$$(x$$>$$0,x=0,x$$<$$0)

Fujino, Takeo*; Yamashita, Toshiyuki; Ouchi, Kinji

Journal of Nuclear Materials, 183, p.46 - 56, 1991/00

https://doi.org/10.1016/0022-3115(91)90469-N
 Times Cited Count：9 Percentile：69.44(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Effect of phosphoric acid on the polycondensation of $$varepsilon$$-caprolactone with $$delta$$-valerolactone and biodegradation of their copolyesters

*; *; Yoshida, Masaru; *; Asano, Masaharu; Kumakura, Minoru

Makromol. Chem., 192, p.1067 - 1072, 1991/00

no abstracts in English

Journal Articles

Direct copolymerization of glycolic acid with lactones in the absence of catalysis

*; Yoshida, Masaru; Asano, Masaharu; *; Kumakura, Minoru

European Polymer Journal, 26(4), p.457 - 461, 1990/00

https://doi.org/10.1016/0014-3057(90)90052-6
 Times Cited Count：28 Percentile：76.24(Polymer Science)

no abstracts in English

Journal Articles

Direct copolycondensation of $$varepsilon$$-caprolactone and $$delta$$-valerolactone in the absence of catalysts

*; *; Yoshida, Masaru; *; Asano, Masaharu; Kumakura, Minoru

European Polymer Journal, 26(8), p.831 - 836, 1990/00

https://doi.org/10.1016/0014-3057(90)90153-U
 Times Cited Count：18 Percentile：65.39(Polymer Science)

no abstracts in English

Journal Articles

Statistical analyses of variability/reproducibility of environmentally assisted cyclic crack growth rate data relative to $$Delta$$K control modes

Tsuji, Hirokazu; ; Nakajima, Hajime; Kondo, Tatsuo

NUREG/CP-0112, p.231 - 251, 1990/00

no abstracts in English

Journal Articles

A New biodegradable pasty-type copolymer of L-lactic acid and $$delta$$-valerolactone with relatively low molecular weight for application in drug delivery systems

*; Yoshida, Masaru; Asano, Masaharu; Kumakura, Minoru; Mashimo, Toru*; Yuasa, Hisako*; Imai, K.*; Yamanaka, Hidetoshi*; *; Suzuki, K.*

Journal of Controlled Release, 10, p.293 - 303, 1989/00

https://doi.org/10.1016/0168-3659(89)90079-5

no abstracts in English

Journal Articles

A Large hybrid focal-plane detector to be used with a magnetic spectrograph for heavy-ion research

; ; ; ; ; *; *; *

Nuclear Instruments and Methods in Physics Research A, 237, p.512 - 522, 1985/00

https://doi.org/10.1016/0168-9002(85)91061-7
 Times Cited Count：9 Percentile：74.19(Instruments & Instrumentation)

no abstracts in English

29 (Records 1-20 displayed on this page)