Skip to main content

previous disabled Page of 43
and
  1. No Access

    Article

    Crystallization behavior during the gel spinning of ultra-high molecular weight polyethylene

    A computer simulation model was established to analyze the crystallization behavior during the gel spinning of semi-dilute solution of ultra-high molecular weight polyethylene in paraffin oil. A numerical calc...

    Chul Rim Choe, Kyeong Hyeon Kim, Kwang Hee Lee in Polymer Bulletin (1989)

  2. No Access

    Article

    Optimizations of carotenoid biosynthesis by controlling sucrose concentration

    The effects of sucrose onDaucus carota cell size and biosynthesis of carotenoid were investigated. At high concentration of sucrose, the growth rate and the final cell mass were low due to the substrate inhibitio...

    Jeong Won Yun, Ji Hyeon Kim, Young Je Yoo in Biotechnology Letters (1990)

  3. No Access

    Article

    Effect of yttrium on the stability of aluminide-yttrium composite coatings in a cyclic high-temperature hot-corrosion environment

    A composite coating of aluminide-yttrium has shown excellent corrosion resistance in a cyclic high-temperature hot-corrosion environment. To understand the effect of yttrium on the stability of the composite c...

    Kyoo Young Kim, Seon Hyo Kim, Kwang Woo Kwon, lg Hyeon Kim in Oxidation of Metals (1994)

  4. No Access

    Article

    Biosynthesis of SOD by carrot hairy roots

    Superoxide dismutase(SOD) was produced by carrot hairy roots. After increasing in the early exponential growth phase, SOD biosynthesis decreased as the growth rate of hairy roots declined. High sucrose concent...

    Ji Hyeon Kim, Yong Woo Lee, Young Je Yoo in Biotechnology Letters (1994)

  5. No Access

    Article

    Low Temperature Epitaxial Growth of AlN & GaN Thin Films by the Method of Ion Beam Assisted Deposition

    The epitaxial layers of AIN and GaN were grown on Si and Sapphire substrate at a relatively low temperature of around 500 °C using the process of reactive ion beam assisted deposition. The optimum ion beam ene...

    Ig-Hyeon Kim, Chan-Wook Jeon, Seon-Hyo Kim in MRS Online Proceedings Library (1995)

  6. No Access

    Article

    Spontaneous gelation of poly(oligo-oxyethylene methacrylate)

    The spontaneous gelation of poly(oligo-oxyethylene methacrylate) was studied. When the solvent of the polymer solution was removed by freeze drying or evaporation under atmosphere, spontaneous gelation occurre...

    Hee-Tak Kim, Kyoung-Hee Lee, Chang-Hyeon Kim, Jung-Ki Park in Polymer Bulletin (1996)

  7. No Access

    Article

    Post-Electrophoresis Capillary Scanner for Detecting DNA Sequencing Reaction Products

    A post-electrophoresis capillary scanning technique has been developed and its feasibility as a high-throughput DNA sequencing method has been demonstrated. In this method, capillary gel electrophoresis separa...

    Suhyeon Kim, Hyun Ju Yoo, Jong Hoon Hahn in Analytical Sciences (1996)

  8. No Access

    Article

    Interface Characterization and Delamination Mechanism of c-BN Film

    Cubic boron nitride films were prepared by helicon wave plasma CVD process on (100) Si. The growth and delamination mechanism of c-BN film was investigated with FT-IR spectroscopy and transmission electron mic...

    Ig-Hyeon Kim, Changmo Sung, Sang-Ro Lee, Young-Woon Seo in MRS Online Proceedings Library (1996)

  9. No Access

    Article

    Growth of Cubic SiC Thin Films on Silicon from Single Source Precursors by Supersonic Jet Epitaxy

    Cubic SiC thin films have been grown by supersonic jet epitaxy of single molecular precursors on Si(100), Si(111) and Separation by IMplanted OXygen (SIMOX) silicon on insulator (SOI) substrates at temperature...

    **-Hyo Boo, Scott A. Ustin, Wilson Ho, H. Paul Maruska in MRS Online Proceedings Library (1996)

  10. No Access

    Article

    Influence of the fluorine loading level on the skeletal isomerization of 1-butene over fluorine-modified alumina

    γ-alumina catalysts modified with different weight loadings of fluorine have been used for skeletal isomerization of 1-butene in order to investigate the effects of the fluorine loading level on the conversion...

    Gon Seo, Na-Hyeon Kim, Young-Hee Lee, Jong-Ho Kim in Catalysis Letters (1998)

  11. No Access

    Article

    Reaction intermediate over mordenite-type zeolite catalysts for no reduction by hydrocarbons

    An infrared spectroscopic study has been made over mordenite-type zeolite catalysts prepared by the ion exchanging method to observe a surface species during the selective reduction of NO by hydrocarbons with ...

    Moon Hyeon Kim, In-Sik Nam, Young Gul Kim in Korean Journal of Chemical Engineering (1999)

  12. No Access

    Article

    Skeletal isomerization of 1-butene over mesoporous materials

    On the skeletal isomerization of 1-butene, mesoporous materials with mesopores too large to expect any shape selectivity have been used in order to investigate the effects of the concentration of acid sites on...

    Gon Seo, Na-Hyeon Kim, Young-Hee Lee, Jong-Ho Kim in Catalysis Letters (1999)

  13. No Access

    Article

    High selective skeletal isomerization of 1-Butene over phosphorus-modified silica-alumina

    Silica-alumina catalysts modified with different loadings of phosphorus have been used for the skeletal isomerization of 1-butene to investigate the effects of the phosphorus modification on the conversion of ...

    Wang-Gi Kim, Na-Hyeon Kim, Jong-Ho Kim, Gon Seo in Korean Journal of Chemical Engineering (1999)

  14. No Access

    Article

    Variations in the morphology of rice plants regenerated from protoplasts using different culture procedures

    Rice protoplasts were cultured using 4 different culture procedures such as agarose embedding (AE) without feeder cells and the use of filter membranes (MEM), one layer of nylon mesh (MS1), or a double layer o...

    Sung-Ho Lee, Young Goel Shon, Cha Young Kim in Plant Cell, Tissue and Organ Culture (1999)

  15. No Access

    Article

    Primary stent placement for recanalization of iliac artery occlusions: Using a self-expanding spiral stent

    Purpose: To report the clinical results for recanalizations of an occluded iliac artery by a self-expanding spiral stent.

    Jae-Kyu Kim, Yun-Hyeon Kim, Sang-Yeung Chung in CardioVascular and Interventional Radiology (1999)

  16. Article

    Characteristic of InGaN/GaN Laser Diode Grown by a Multi-Wafer MOCVD System

    InGaN/GaN multi-quantum well (MQW) laser diodes (LDs) were grown on c-plane sapphire substrates using a multi-wafer MOCVD system. The threshold current for pulsed lasing was 1.6 A for a gain-guided laser diode...

    Y. Park, B. J. Kim, J. W. Lee, O. H. Nam in MRS Internet Journal of Nitride Semiconduc… (1999)

  17. No Access

    Chapter

    Effects of Air Temperature, Relative Humidity and Photosynthetic Photon Flux on the Evapotranspiration Rate of Grafted Seedlings Under Artificial Lighting

    Four air temperature levels of 23, 25, 27 and 29C, three humidity levels of 85, 90 and 95%R.H. and two photosynthetic photon flux (PPF) levels of 30 and 50 jumol m-2 s-1 were provided to investigate the effects o...

    Yong Hyeon Kim in Transplant Production in the 21st Century (2000)

  18. No Access

    Chapter and Conference Paper

    Topic Spotting on News Articles with Topic Repository by Controlled Indexing

    Topic spotting is the task of assigning a category to the document, among the predefined categories. Topic spotting is called text categorization. Controlled indexing is the procedure of extracting the informa...

    Taeho C. Jo, Jerry H. Seo, Hyeon Kim in Intelligent Data Engineering and Automated… (2000)

  19. No Access

    Chapter and Conference Paper

    Squeezing Micropumps for Elastomer Microchips; Picoliter-Handling Capability

    We have developed a squeezing micropump for elastomeric micropumps, which is featured by capabilities of bi-directional pum**, highly reproducible and ultra-small-volume handling down to picoliters.

    Kwanseop Lim, Suhyeon Kim, Kihoon Na, Je-kyun Park in Micro Total Analysis Systems 2001 (2001)

  20. No Access

    Article

    Water tolerance of DeNOx SCR catalysts using hydrocarbons: Findings, improvements and challenges

    The recent developments on the effect of H2O on deNOx performance of a variety of SCR catalysts selectively removing NOx by hydrocarbons in excess oxygen have been reviewed. In particular, the water tolerance of ...

    Moon Hyeon Kim, In-Sik Nam in Korean Journal of Chemical Engineering (2001)

previous disabled Page of 43