Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Hyun Ki Youn"'
Publikováno v:
Clean Technology. 22:9-15
xAl-yZr mixed oxide catalysts with different molar ratios of Al/(Al+Zr) were prepared by a co-precipitation method and its catalytic performance was compared in the iso-propanol dehydration as a model reaction. The catalysts were charac- terized by X
Publikováno v:
Clean Technology. 21:248-256
Publikováno v:
Korean Chemical Engineering Research. 53:824-830
Publikováno v:
Applied Catalysis B: Environmental. 91:210-216
Nano-sized Fe3O4 particles that were covered with a porous layer of nano-sized TiO2 (TiO2-masked Fe3O4) were prepared by simply controlling pH of aqueous slurry solution containing the two particles that have different values of isoelectric point (IE
Autor:
Ho Young Song, Hyo-Cheol Kim, Gi Young Ko, Ji Hoon Shin, Hyun Ki Youn, Seung-Il Park, Kyu Bo Sung
Publikováno v:
Journal of Vascular and Interventional Radiology. 16:1699-1704
PURPOSE To evaluate the safety and clinical effectiveness of fluoroscopically guided balloon dilation in 62 patients with benign anastomotic stricture after Ivor-Lewis esophagectomy. MATERIALS AND METHODS Between January 1996 and June 2004, fluorosco
Publikováno v:
Catalysis Letters. 60:199-204
H3PMo12O40-polymer composite film catalysts were prepared by blending these two materials using a methanol–chloroform mixture by a membrane preparation technique. Polyphenylene oxide (PPO), polyethersulfone (PES) and polysulfone (PSF) were used as
Publikováno v:
ECS Meeting Abstracts. :37-37
not Available.
Publikováno v:
Journal of the Korean Orthopaedic Association. 28:2256