Wan Shik Ha: шукати на сайті Z-Library

Рік:

2001

Мова:

english

Файл:

PDF, 232 KB

english, 2001

Preparation and characterization of syndiotacticity-rich ultra-high molecular weight poly(vinyl alcohol)/imogolite blend film

Choi, Jin Hyun, Cho, Yong Woo, Ha, Wan Shik, Lyoo, Won Seok, Lee, Chul Joo, Ji, Byung Chul, Han, Sung Soo, Yoon, Won Shik

Журнал:

Polymer International

Рік:

1998

Мова:

english

Файл:

PDF, 244 KB

english, 1998

Sequence analysis of poly(ethylene terephthalate)/poly(butylene terephthalate) copolymer prepared by ester-interchange reactions

Joon Ho Kim, Won Seok Lyoo, Wan Shik Ha

Журнал:

Seung Won Seo, Wan Shik Ha

Рік:

2001

Мова:

english

Файл:

PDF, 250 KB

english, 2001

Synthesis and characterization of poly(ether urethane)-nylon 6 block copolymer

Журнал:

Journal of Separation Science

Рік:

1993

Мова:

english

Файл:

PDF, 937 KB

english, 1993

Enzymatic transformation of platycosides and one-step separation of platycodin D by high-speed countercurrent chromatography

In Jin Ha, Young Wan Ha, Minseok Kang, Jongsung Lee, Deokhoon Park, Yeong Shik Kim

Журнал:

Рік:

2010

Мова:

english

Файл:

PDF, 274 KB

english, 2010

Development of a rapid and convenient method to separate eight ginsenosides from Panax ginseng by high-speed counter-current chromatography coupled with evaporative light scattering detection

Omer Shehzad, In Jin Ha, Youmie Park, Young Wan Ha, Yeong Shik Kim

Журнал:

Journal of Separation Science

Рік:

2011

Мова:

english

Файл:

PDF, 282 KB

english, 2011

Blood compatibility and biodegradability of partially N-acylated chitosan derivatives

Kuen Yong Lee, Wan Shik Ha, Won Ho Park

Журнал:

Biomaterials

Рік:

1995

Мова:

english

Файл:

PDF, 742 KB

english, 1995

Preparation and structural determination of large oligosaccharides derived from acharan sulfate

Lianli Chi, Eva M. Munoz, Hyung Seok Choi, Young Wan Ha, Yeong Shik Kim, Toshihiko Toida, Robert J. Linhardt

Журнал:

Carbohydrate Research

Рік:

2006

Мова:

english

Файл:

PDF, 148 KB

english, 2006

Qualitative and quantitative determination of ten major saponins in Platycodi Radix by high performance liquid chromatography with evaporative light scattering detection and mass spectrometry

Young Wan Ha, Yun-Cheol Na, Jung-Ju Seo, Soo-Na Kim, Robert J. Linhardt, Yeong Shik Kim

Журнал:

Рік:

2006

Мова:

english

Файл:

PDF, 658 KB

english, 2006

Preparative isolation of four ginsenosides from Korean red ginseng (steam-treated Panax ginseng C. A. Meyer), by high-speed counter-current chromatography coupled with evaporative light scattering detection

Young Wan Ha, Soon Sung Lim, In Jin Ha, Yun-Cheol Na, Jung-Ju Seo, Heungsop Shin, Sung Ho Son, Yeong Shik Kim

Журнал:

Рік:

2007

Мова:

english

Файл:

PDF, 419 KB

english, 2007

Development and optimization of a method for the separation of platycosides in Platycodi Radix by comprehensive two-dimensional liquid chromatography with mass spectrometric detection

Eun-Kyung Jeong, Hyun-Jeong Cha, Young Wan Ha, Yeong Shik Kim, In Jin Ha, Yun-Cheol Na

Журнал:

Young Wan Ha, Yeong Shik Kim

Рік:

2010

Мова:

english

Файл:

PDF, 1.11 MB

english, 2010

Preparative isolation of six major saponins from Platycodi Radix by high-speed counter-current chromatography

Журнал:

Phytochemical Analysis

Рік:

2009

Мова:

english

Файл:

PDF, 268 KB

english, 2009

Effect of copolycondensation temperature on the reactivity ratios of bis(4-hydroxybutyl) terephthalate and bis(2-hydroxyethyl) terephthalate

Won Seok Lyoo, Se Geun Lee, Wan Shik Ha, Jinwon Lee, Joon Ho Kim

Журнал:

Polymer Bulletin

Рік:

1999

Мова:

english

Файл:

PDF, 775 KB

english, 1999

Isolation and tandem mass fragmentations of an anti-inflammatory compound fromAralia elata

Ju Hyeon Lee, Young Wan Ha, Choon Sik Jeong, Yeong Shik Kim, Youmie Park

Журнал:

Archives of Pharmacal Research

Рік:

2009

Мова:

english

Файл:

PDF, 264 KB

english, 2009

Characterization of heparan sulfate from the unossified antler of Cervus elaphus

Young Wan Ha, Byong Tae Jeon, Sang Ho Moon, Hidenao Toyoda, Toshihiko Toida, Robert J. Linhardt, Yeong Shik Kim

Журнал:

Carbohydrate Research

Рік:

2005

Мова:

english

Файл:

PDF, 320 KB

english, 2005

Kinetics of copolycondensation of bis(4-hydroxybutyl) terephthalate and bis(2-hydroxyethyl) terephthalate by ester-interchange reaction

Won Seok Lyoo, Joon Ho Kim, Wan Shik Ha

Журнал:

Рік:

1996

Мова:

english

Файл:

PDF, 502 KB

english, 1996

Polyelectrolyte complexes of sodium alginate with chitosan or its derivatives for microcapsules

Kuen Yong Lee, Won Ho Park, Wan Shik Ha

Журнал:

Рік:

1997

Мова:

english

Файл:

PDF, 196 KB

english, 1997

Effect of chemical structure on crystallization behavior of poly(phenylene alkylene dicarboxylate) (PPAD)

Ji Ho Youk, Wan Shik Ha, Won Ho Jo, Chong Rae Park

Журнал:

Рік:

1997

Мова:

english

Файл:

PDF, 201 KB

english, 1997

Thermodynamic properties and crystallization behavior of poly(p-phenylene succinate)

Ji Ho Youk, Wan Shik Ha, Won Ho Jo, Seung Wook Lee

Журнал:

Рік:

1999

Мова:

english

Файл:

PDF, 137 KB

english, 1999

Structural changes and their effect on mechanical properties of silk fibroin/chitosan blends

Sung Jin Park, Kuen Yong Lee, Wan Shik Ha, Soo Young Park

Журнал:

Рік:

1999

Мова:

english

Файл:

PDF, 139 KB

english, 1999

Syndiotacticity-rich ultrahigh molecular-weight poly(vinyl alcohol) film. I. Determination of optimum polymer concentration by zone-drawing method in film preparation

Won Seok Lyoo, Sung Soo Han, Won Sik Yoon, Byung Chul Ji, Jinwon Lee, Yong Woo Cho, Jin Hyun Choi, Wan Shik Ha

Журнал:

Journal of Polymer Science Part B: Polymer Physics

Рік:

2000

Мова:

english

Файл:

PDF, 358 KB

english, 2000

Preparation of poly(ethylene terephthalate-co-isophthalate) by ester interchange reaction in the PET/PEI blend system

Wan Shik Ha, Yong Kun Chun, Seung Soon Jang, Do Mook Rhee, Chong Rae Park

Журнал:

Рік:

1997

Мова:

english

Файл:

PDF, 186 KB

english, 1997

Monte carlo simulation of copolymerization by ester interchange reaction in miscible polyester blends

Seung Soon Jang, Wan Shik Ha, Won Ho Jo, Ji Ho Youk, Jun Ho Kim, Chong Rae Park

Журнал:

Journal of Polymer Science Part B: Polymer Physics

Рік:

1998

Мова:

english

Файл:

PDF, 245 KB

english, 1998

Preparation of syndiotacticity-rich high molecular weight poly(vinyl alcohol) microfibrillar fiber by photoinitiated bulk polymerization and saponification

Journal of Polymer Science Part A: Polymer Chemistry

Журнал:

Рік:

1997

Мова:

english

Файл:

PDF, 375 KB

english, 1997

Origin of double melting behavior of poly(p-phenylene succinate)

Ji Ho Youk, Wan Shik Ha, Won Ho Jo

Журнал:

Journal of Polymer Science Part B: Polymer Physics

Рік:

2000

Мова:

english

Файл:

PDF, 112 KB

english, 2000

Cyclization Routes for Formation of Cyclic Oligomers in Poly(ethylene terephthalate)

Jun Shik Cho, Ji Ho Youk, Won Ho Jo, Suk Won Ko, Wan Shik Ha, Dong Il Yoo

Журнал:

Macromolecular Chemistry and Physics

Рік:

2001

Мова:

english

Файл:

PDF, 112 KB

english, 2001

Thermal properties and crystalline structure of liquid crystalline poly(ethylene terephthalate-co-2(3)-chloro-1,4-phenylene terephthalate)

Do Mook Rhee, Wan Shik Ha, Ji Ho Youk, Dong Il Yoo

Журнал:

Рік:

2002

Мова:

english

Файл:

PDF, 125 KB

english, 2002

Compatibility of nylon 6 and PMMA–oligoamide graft copolymer

Seung Won Seo, Won Ho Jo, Wan Shik Ha

Журнал:

Seung Won Seo, Wan Shik Ha

Рік:

1984

Мова:

english

Файл:

PDF, 576 KB

english, 1984

Phase behavior of poly(ether urethane)-nylon 6 block copolymer

Журнал:

Macromolecular Chemistry and Physics

Рік:

1994

Мова:

english

Файл:

PDF, 1.16 MB

english, 1994

Insoluble polyelectrolyte complex formed from chitosan and α-keratose: conformational change of α-keratose

Won Ho Park, Kuen Yong Lee, Wan Shik Ha

Журнал:

Рік:

1996

Мова:

english

Файл:

PDF, 453 KB

english, 1996

Structure and properties of microfibrillar poly(vinyl alcohol) fibres prepared by saponification under shearing force of poly(vinyl pivalate)

Журнал:

Polymer

Рік:

1996

Мова:

english

Файл:

PDF, 819 KB

english, 1996

Structural analysis of platycosides in Platycodi Radix by liquid chromatography/electrospray ionization-tandem mass spectrometry

Yun-Cheol Na, Young Wan Ha, Yeong Shik Kim, Kang-Jin Kim

Журнал:

Journal of Pharmaceutical and Biomedical Analysis

Рік:

2008

Мова:

english

Файл:

PDF, 805 KB

english, 2008

Simultaneous quantification of 14 ginsenosides in Panax ginseng C.A. Meyer (Korean red ginseng) by HPLC-ELSD and its application to quality control

Su Na Kim, Young Wan Ha, Heungsop Shin, Sung Ho Son, Song Ji Wu, Yeong Shik Kim

Журнал:

Рік:

2007

Мова:

english

Файл:

PDF, 360 KB

english, 2007

Preparation of high molecular weight polyvinylalcohol by low temperature azoinitiator

Won Seok Lyoo, Byoung Chul Kim, Chul Joo Lee, Wan Shik Ha

Журнал:

European Polymer Journal

Рік:

1997

Мова:

english

Файл:

PDF, 271 KB

english, 1997

Direct polymerization of aromatic diacid dimethyl esters with aromatic diamines: I. Analysis of reaction mechanism

Seung Koo Park, Wan Shik Ha, Chul Joo Lee

Журнал:

Polymer

Рік:

1997

Мова:

english

Файл:

PDF, 717 KB

english, 1997

In situ fibrillation of poly(vinyl alcohol) during saponification of poly(vinyl ester) (1). Chemorheological and morphological investigations of in situ fibrillation

Won Seok Lyoo, Byoung Chul Kim, Wan Shik Ha

Журнал:

Polymer

Рік:

1999

Мова:

english

Файл:

PDF, 1.20 MB

english, 1999

A high performance liquid chromatography method to determine monomer reactivity ratios in copolycondensation of bis(4-hydroxybutyl) terephthalate and bis(2-hydroxyethyl) terephthalate

Won Seok Lyoo, Se Geun Lee, Wan Shik Ha, Jinwon Lee, Joon Ho Kim

Журнал:

Polymer Testing

Рік:

2000

Мова:

english

Файл:

PDF, 148 KB

english, 2000

Rheological and rheo-optical properties of high molecular weight syndiotactic and atactic polyvinylalcohol solutions

Журнал:

Polymer Engineering & Science

Рік:

1997

Мова:

english

Файл:

PDF, 560 KB

english, 1997

Blood compatibility of poly(ether urethane)–nylon 6 block copolymer

Seung Won Seo, Wan Shik Ha

Журнал:

Polymer International

Рік:

1994

Мова:

english

Файл:

PDF, 640 KB

english, 1994

Kinetic studies on the formation of cyclic oligomers in poly(ethylene terephthalate)

Wan Shik Ha, Young Kwan Choun

Журнал:

Journal of Polymer Science Part A: Polymer Chemistry

Рік:

1979

Мова:

english

Файл:

PDF, 664 KB

english, 1979

Double melting behavior of cyclic tris(ethylene terephthalate)

Dong II Yoo, Seung Won Seo, Wan Shik Ha

Журнал:

Polymer Bulletin

Рік:

1992

Мова:

english

Файл:

PDF, 761 KB

english, 1992

Relationships between antithrombogenicity and surface free energy of regenerated silk fibroin films

Won Ho Park, Wan Shik Ha, Hiraku Ito, Takeaki Miyamoto, Hiroshi Inagaki, Yasuharu Noishiki

Журнал:

Рік:

2001

Мова:

english

Файл:

PDF, 162 KB

english, 2001

Preparation of high molecular weight atactic poly(vinyl alcohol) by photo-induced bulk polymerization of vinyl acetate

Журнал:

Рік:

2001

Мова:

english

Файл:

PDF, 184 KB

english, 2001

Interchange reaction kinetics and sequence distribution of liquid crystalline poly(ethylene terephthalate-co-2(3)-chloro-1,4-phenylene terephthalate)

Do Mook Rhee, Wan Shik Ha, Ji Ho Youk, Dong Il Yoo

Журнал:

Рік:

2001

Мова:

english

Файл:

PDF, 187 KB

english, 2001

Processing and characterization of liquid crystalline copoly-(ethylene terephthalate-co-2(3)-chloro-1,4-phenylene terephthalate)/polycarbonate blends

Do Mook Rhee, Wan Shik Ha, Ji Ho Youk, Dong Il Yoo

Журнал: