Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Jang Soon Kim"'
Publikováno v:
Materials Science Forum. 658:65-68
Polyurethanes crystallized at the aluminum surface, but the crystalline interphase varied with polyol OH number. Early stage of spherulite formation was characterized using AFM after removing amorphous polyurethane. The crystallite shapes of polyuret
Publikováno v:
Applied Surface Science. 253:1601-1605
Surface area effect of carbon source on the carbothermal reduction for the fabrication of ZnO nanostructure was investigated. For a systematic comparison, graphite and three kinds of carbon black powder were used as source materials for the carbother
Publikováno v:
Materials Science and Engineering: B. 129:100-103
A study on the formation and characterization of ZnO nanocomb structure is presented. ZnO nanocomb was synthesized by the carbothermal reduction process with carbon black powder as a carbon source. As well as nanocomb, ZnO tetrapod and flower-like st
Publikováno v:
Applied Surface Science. 252:976-980
An investigation on the structure of W–Sb mixed oxide catalyst, W 12 Sb x O y ( x = 1, 3, 5), is proposed. The W–Sb mixed oxide powders were prepared by the calcination of aqueous precursors, antimony tartrate and ammoniummetatungstate, and chara
Publikováno v:
Macromolecular Research. 12:399-406
Glass-like carbon precursors shrink significantly during curing and carbonization, which leads to crack formation and bending. Cured furan resin powder and ethanol were added to furan resin to diminish the weight loss, to suppress the shrinkage and b
Autor:
Jae Hyung Kim, Jae Chun Lee, Yun Soo Lim, Dong Bok Lee, Yun Jung Chung, Young-Jae Lee, Jang Soon Kim
Publikováno v:
Materials Science Forum. :217-220
Activated carbon fibers were prepared from stabilized PAN-based fibers by chemical activation using potassium hydroxide at different concentration. The experimental data showed variations in specific surface area, microstructure by the activated carb
Autor:
Yun-Soo Lim, Jang-Soon Kim
Publikováno v:
Carbon. 41:2369-2376
Mesophase pitches were prepared by adding 0.5 to 2 wt.% of a borane–pyridine complex to a decant oil in a tubing bomb reactor and heating in a fluidized-sand bath held at 500 °C for 30, 45, and 60 min, respectively. The mesophase pitches were anal
Autor:
HW Ryu, H.J. Park, Jang-Soon Kim, Byung Chan Lim, H. J. Hwang, Kim Hj, J.I. Choi, Ki Joong Kim, Yong-Seung Hwang, J-H Chae
Publikováno v:
European Journal of Paediatric Neurology. 17:S73