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Results:
1-17
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Results: 17
Authors:
Ito, K
Saito, Y
Yamamoto, T
Ujihira, Y
Nomura, K
Citation: K. Ito et al., Correlation study between oxygen permeability and free volume of ethylene-vinyl alcohol copolymer through positronium lifetime measurement, MACROMOLEC, 34(18), 2001, pp. 6153-6155
Authors:
Yamada, N
Yasui, I
Shigesato, Y
Li, HL
Ujihira, Y
Nomura, K
Citation: N. Yamada et al., Donor compensation and carrier-transport mechanisms in tin-doped In2O3 films studied by means of conversion electron Sn-119 Mossbauer spectroscopy and Hall effect measurements, JPN J A P 1, 39(7A), 2000, pp. 4158-4163
Authors:
Kuzmann, E
Lakatos-Varsanyi, M
Nomura, K
Ujihira, Y
Masumoto, T
Principi, G
Tosello, C
Havancsak, K
Vertes, A
Citation: E. Kuzmann et al., Combination of electrochemical hydrogenation and Mossbauer spectroscopy asa tool to show the radiation effect of energetic heavy ions in Fe-Zr amorphous alloys, ELECTROCH C, 2(2), 2000, pp. 130-134
Authors:
Ito, K
Ujihira, Y
Yamashita, T
Horie, K
Citation: K. Ito et al., Temperature dependence of free volume of polyacrylamide gels studied by positron lifetime measurements, RADIAT PH C, 58(5-6), 2000, pp. 521-524
Authors:
Ito, K
Ujihira, Y
Yamashita, T
Horie, K
Citation: K. Ito et al., Free-volume change during the volume phase transition of polyacrylamide gel studied by positron annihilation: Solvent-composition dependence, J POL SC PP, 38(7), 2000, pp. 922-933
Authors:
Akiyama, S
Kawahara, S
Akiba, I
Iio, S
Li, HL
Ujihira, Y
Citation: S. Akiyama et al., Free Volume of cis-1,4 polyisoprene/polybutadiene blends, POLYM BULL, 45(3), 2000, pp. 275-279
Authors:
Li, HL
Ujihira, Y
Shukushima, S
Ueno, K
Citation: Hl. Li et al., Variation of size, numerical concentration and size distribution of free volume of heat shrink polyethylene prepared by electron irradiation cross-linkage with temperature probed by positron annihilation technique, POLYMER, 41(1), 2000, pp. 93-99
Authors:
Ito, K
Nakanishi, H
Ujihira, Y
Citation: K. Ito et al., Extension of the equation for the annihilation lifetime of ortho-positronium at a cavity larger than 1 nm in radius, J PHYS CH B, 103(21), 1999, pp. 4555-4558
Authors:
Ito, K
Yagi, Y
Hirano, S
Miyayama, M
Kudo, T
Kishimoto, A
Ujihira, Y
Citation: K. Ito et al., Estimation of pore size of porous materials by positron annihilation lifetime measurement, J CERAM S J, 107(2), 1999, pp. 123-127
Authors:
Ito, K
Ujihira, Y
Yamashita, T
Horie, K
Citation: K. Ito et al., Free-volume change in volume phase transition of polyacrylamide gel as studied by positron annihilation: Salt dependence, J POL SC PP, 37(18), 1999, pp. 2634-2641
Authors:
Ito, K
Ujihira, Y
Yamashita, T
Horie, K
Citation: K. Ito et al., Change of free volume in polymer gels as studied by positron annihilation lifetimes, ACT PHY P A, 95(4), 1999, pp. 551-556
Authors:
Ujihira, Y
Li, HL
Ito, K
Citation: Y. Ujihira et al., Free volume study on three types of shape memory polymers by positron annihilation, ACT PHY P A, 95(4), 1999, pp. 677-682
Authors:
Yagi, Y
Hirano, S
Ujihira, Y
Miyayama, M
Citation: Y. Yagi et al., Analysis of the sintering process of 2 mol % yttria-doped zirconia by positron annihilation lifetime measurements, J MAT SCI L, 18(3), 1999, pp. 205-207
Authors:
Homonnay, Z
Nomura, K
Juhasz, G
Vertes, A
Ujihira, Y
Citation: Z. Homonnay et al., The microenvironment of iron in (Ba,Ca)(Fe,Co)O3-delta catalyst system: A Mossbauer study, J RAD NUCL, 239(2), 1999, pp. 291-296
Authors:
Ito, K
Ujihira, Y
Yamashita, T
Horie, K
Citation: K. Ito et al., Change in free volume during volume phase transition of poly(N-isopropylacrylamide) gel as studied by positron annihilation lifetimes: temperature dependence, POLYMER, 40(15), 1999, pp. 4315-4323
Authors:
Kurosawa, K
Li, HL
Ujihira, Y
Nomura, K
Citation: K. Kurosawa et al., Characterization of carbonitrided and oxidized layers on low-carbon steel by conversion electron Mossbauer spectrometry, X-ray diffractometry, and X-ray photoelectron spectrometry, CORROSION, 55(3), 1999, pp. 238-247
Authors:
Ito, K
Ujihira, Y
Yamashita, T
Horie, K
Citation: K. Ito et al., Positron annihilation lifetime study of free volume parameters of polyacrylamide gel during volume phase transition caused by pH change in acetone-water mixed solvent, POLYM GEL N, 6(5), 1998, pp. 367-381
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