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평판인쇄의 축임물 조성이 교과서 인쇄품질에 미치는 영향
구철회(Chul-Whoi Koo),심우석(Woo-Seok Sim),하영백(Young Baeck Ha) 한국펄프·종이공학회 2016 펄프.종이기술 Vol.48 No.1
Dampening in printing is not only used with plain water but also used with various substances like dampening additive, in order to improve the wetting property by lowering the surface tension and to control material for modifing the ink transfer characteristic with proper emulsification. We have studied the printing quality according to these, looking into interrelationship among the dampening solutions pH, electrical conductivity and IPA content, prescribing the proper usage and minimum usage of fountain solution and dampening additive. In this study, it shows good result when mixing at the 7 wt% dampening with additive solution, which is result from the color density of printed sheets in accordance with the change of dampening solution condition. And the printed density value calculated 1 hour after printing, it shows relatively safe value at the etch liquid 4 wt% and IPA addition 2 wt%. The dry down at this test showed similar results regardless of various dampening conditions on coated paper, but in case of uncoated paper, the dry down showed a quite gap of different due to the fast penetration to the paper.
추간판 탈출증 환자에서 미추 접근법으로 일측 경막외 카테터를 통한 스테로이드 주입 시 유효 용량에 관한 연구
신영희 ( Young Hee Shin ),김태형 ( Tae Hyeong Kim ),이석진 ( Seok Jin Lee ),이철중 ( Chul Joong Lee ),심우석 ( Woo Seok Sim ),곽미숙 ( Mi Sook Gwak ),김정수 ( Chung Soo Kim ),함태수 ( Tae Soo Hahm ),김명희 ( Myung Hee Kim ),조현성 대한마취과학회 2008 Korean Journal of Anesthesiology Vol.54 No.4
경막외 Hydromorphone 자가조절진통에서 소양증에 대한 경막외 Naloxone의 효과
방시라 ( Si Ra Bang ),김희숙 ( Hee Suk Kim ),김지혁 ( Ji Hyeok Kim ),심우석 ( Woo Seok Sim ),곽미숙 ( Mi Sook Gwak ),양미경 ( Mi Kyung Yang ),김정수 ( Chung Su Kim ),함태수 ( Tae Soo Hahm ),조현성 ( Hyun Sung Cho ),최덕환 ( Duck H 대한통증학회 2006 The Korean Journal of Pain Vol.19 No.1