Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Kimiko Ema"'
Autor:
Toshiyuki Fujii, Shigehiro Nishijima, Shin-ichi Takeda, Yoshinobu Izumi, Yuta Yasaka, Yuji Shibahara, Kimiko Ema
Publikováno v:
Solvent Extraction and Ion Exchange. 24:915-929
Strontium isotopes were fractionated using liquid chromatography with a cryptand (2B,2,2) polymer as a stationary phase. In this study, we observed that the single stage isotope enrichment factor of 84Sr shows the following order, water[6.4×10−3]>
Autor:
Atsuhiko Yamanaka, Yoshinobu Izumi, Masayuki Tsutsumi, Shigehiro Nishijima, Toshihiro Kashima, Kimiko Ema
Publikováno v:
Journal of Composite Materials. 41:165-174
High-strength polyethylene fiber (Dyneema®, DF) has a negative linear thermal expansion coefficient in the direction of the fiber. Thermal expansion coefficients of fiber-reinforced plastics are of important applications in cryogenic use. The purpos
The effect of γ-irradiation on thermal strain of high strength polyethylene fiber at low temperature
Autor:
Kimiko Ema, Hiroyuki Fujishiro, Shigehiro Nishijima, Hiroshi Hirahata, Tooru Kitagawa, Takaya Terada, Yoshinobu Izumi, Atsuhiko Yamanaka
Publikováno v:
Journal of Applied Polymer Science. 102:204-209
To understand the contribution to negative thermal expansion by the length of the molecular chains in high-strength ultra-high-molecular-weight polyethylene (UHMW-PE) fiber, the thermal expansion coefficient in the range of low temperature was invest
Autor:
Hiroyuki Fujishiro, Kimiko Ema, Masayuki Tsutsumi, Shunzo Abe, Atsuhiko Yamanaka, Muneatsu Nakamura, Takeshi Oohazama, Takaya Terada, Tooru Kitagawa, Shigehiro Nishijima, Yoshinobu Izumi
Publikováno v:
Journal of Applied Polymer Science. 100:5007-5018
To understand the influence on the thermal conductivity by the length of the molecular chain in the polymer fiber, the thermal conductivity and thermal diffusivity of ramie fibers and those irradiated by γ rays, which induced molecular chain scissio
Autor:
Hiroyuki Fujishiro, Shigehiro Nishijima, Hideki Sugihara, Takaya Terada, Yoshinobu Izumi, Hiroshi Hirahata, Atsuhiko Yamanaka, Tooru Kitagawa, Kimiko Ema
Publikováno v:
Journal of Applied Polymer Science. 101:2619-2626
To understand the contribution to thermal conductivity by the length of the molecular chains in high strength ultra-high-molecular-weight polyethylene (UHMW-PE) fiber, the thermal conductivity in the range of low temperature was investigated for high
Autor:
Kimiko Ema, Atsuhiko Yamanaka, Tooru Kitagawa, Yoshinobu Izumi, Shigehiro Nishijima, Masayuki Tsutsumi, Hiroyuki Fujishiro, Shunzo Abe
Publikováno v:
Journal of Applied Polymer Science. 100:2196-2202
To understand the effect of extension of molecular chain in amorphous region in polymer fibers to thermal conductivity, the thermal conductivity, tensile modulus and crystal orientation angle of ramie fibers and those drawn by the stress of 17.4 kg/m
Autor:
Hiroyuki Fujishiro, Toshihiro Kashima, Kimiko Ema, Manabu Ikebe, S. Nishijima, Atsuhiko Yamanaka, Tooru Kitagawa, Yoshinobu Izumi
Publikováno v:
Journal of Polymer Science Part B: Polymer Physics. 43:1495-1503
High strength polyethylene fiber (Toyobo, Dyneema® fiber, hereinafter abbreviated to DF) used as reinforcement of fiber-reinforced plastics for cryogenic use has a high thermal conductivity. To understand the thermal conductivity of DF, the relation
Autor:
Kimiko Ema, Yoshinobu Izumi, Shigehiro Nishijima, Masatoshi Yoshikawa, Masayuki Tsutsumi, Tooru Kitagawa, Takeshi Oohazama, Hiroyuki Fujishiro, Shunzo Abe, Atsuhiko Yamanaka
Publikováno v:
Journal of Polymer Science Part B: Polymer Physics. 43:2754-2766
To understand the influence to thermal conductivity by bridging in the polymer fibers, the thermal conductivity, and thermal diffusivity of ramie fiber and those bridged by formaldehyde (HCHO) using vapor-phase method (VP-HCHO treatment) were investi
Autor:
Atsuhiko Yamanaka, Tooru Kitagawa, Shigehiro Nishijima, Yoshinobu Izumi, Masayuki Tsutsumi, Hiroyuki Fujishiro, Toshihiro Kashima, Kimiko Ema
Publikováno v:
Journal of Applied Polymer Science. 93:2918-2925
High strength polyethylene fiber (Toyobo, Dyneema® fiber: hereinafter abbreviated to DF) has a negative thermal expansion coefficient. Relation between fiber structure and thermal strain of DF used as reinforcement of DF reinforced plastic (DFRP) fo
Publikováno v:
RADIOISOTOPES. 52:8-12
温度応答性ハイドロゲル材料であるN-イソプロピルアクリルアミド (NIPAAm) の温度応答の機能性を損なうことなく力学的強度を向上させるために, 同時照射放射線重合法による汎用材料と