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김근수,Kim, Geun-Su 한국도서관협회 1970 圖協月報 Vol.11 No.11
이 해제 목록은 제16회 독서주간을 기념하기 위하여 9월 24일부터 30일까지 서울특별시립 종로 도서관에서 본 협회가 개회한 ‘제1회 한국잡지전시회’에서 출품 전시되었던 잡지를 해제한 것으로 해방이후부터 1960년까지 우리나라에서 간행된 것 중 김근수 선생이 소장하고 있는 것만을 실었음을 밝혀둔다.
김근수,허석환,Kim, Keun-Soo,Suganuma, Katsuaki,Huh, Seok-Hwan 대한용접접합학회 2011 대한용접·접합학회지 Vol.29 No.5
Ag metallic particles from nano-scale to submicron-scale are combined with organic solvent to provide fine circuits and interconnection. Ink-jet printing with Ag nano particle inks demonstrated the potentials of the new printed electronics technology. The bonding at the interface between the Ag wiring layer and the various substrates is very important. In this study, the details of interfaces in Ag wiring are investigated primarily by microstructure observation. By adjusting the materials and sintering conditions, nicely formed interfaces between Ag wiring and Cu, Au or organic substrates are achieved. In contrast, transmission electron microscope (TEM) image clearly shows interface debonding between Ag wiring and Sn substrate. Sn oxides are formed on the surface of the Sn plating. The formation of these is a root cause of the interface debonding.
Effect of Investor Sentiment on Market Response to Stock Split Announcement
김근수,변진호 한국증권학회 2010 Asia-Pacific Journal of Financial Studies Vol.39 No.6
This paper creates monthly investor sentiment indices for Korea and provides evidence that these indices have the power to predict the subsequent 6-month buy-and-hold returns. In addition, the paper shows that investor sentiment positively affects market response to stock split announcements by using stock splits on the Korea Exchange from 1999 to 2006. First, market response to a stock split announcement is positively related to investor sentiment. Second, market response is more pronounced in high sentiment periods, particularly for small, young, highly volatile, and low profit-stocks, the valuations of which are highly subjective and difficult to arbitrage. Third, the initial effects of size, age, volatility, and profitability in times of high investor sentiment tend to be reversed over 12-month post-split performance. These empirical results imply that the market tends to overreact to stock split announcements for small, young, highly volatile, and low-profit firms in a high sentiment period but thereafter correct the overvaluation of those firms during the 12-month post-split performance. As such, the paper shows how investor sentiment affects the valuation of stocks at a corporate event level.
효과적 호흡제공을 위한 변형된 방식의 2인 구조자 기본 심폐소생술에 대한 연구: 구조자 숙련도에 따른 분석
김근수,나준호,이기호,이경룡,홍대영,백광제,박상오 대한응급의학회 2014 大韓應急醫學會誌 Vol.25 No.4
Purpose: The purpose of this study is to compare the modifiedtwo-person cardiopulmonary resuscitation method(MM) (the first resuscitator performs chest compressionsand squeezes the bag of bag-valve-mask (BVM) duringpauses of compression, and the second resuscitator usestwo hands to provide an open airway) using the conventionaltwo-person cardiopulmonary resuscitation method (CM). Methods: This simulation study used a manikin and across-over execution design and included 102 participants. After practice of CM and MM, participants were randomlyassigned a partner. Each pair of participants performed the2-CPR for five cycles using both methods alternately at random. All data were recorded in a personal computer andanalyzed. Results: Data from 510 cycles each of the CM and MMwere analyzed. The MM generated a higher mean tidal volume(TV) (791.2 ml versus 563.8 ml, p<0.001) and morefrequent visible chest ventilation (92.1% versus 64.7%,p<0.001). For the inexpert resuscitator group (50; 49%), theMM generated more frequent visible chest ventilation(88.6% versus 34.0%, p<0.001) and ventilation with anadequate TV (43.6% versus 32.0%, p<0.001). No significantdifference in compression rate, depth, hand position,and release, and minimal difference of hands off time (0.5s)were observed between the two methods. Conclusion: The CM could not easily provide sufficient visiblechest rise and might be a poor ventilation option forinexpert BVM resuscitators. The MM can be useful as analternative method and preferable to the CM for inexpertBVM resuscitators.