http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
大邱市內(대구시내) 一部(일부) 綜合病院(종합병원)에서 使用(사용)하는 各種(각종) 消毒劑(소독제)의 殺菌效果(살균효과)에 과난 調査(조사) 硏究(연구)
서정교 ( J G Seo ) 대한임상검사과학회 1992 대한임상검사과학회지(KJCLS) Vol.24 No.1
The recently increased incidence of hospital infection due to the opportunistic pathogens necessitates reevaluation of bactericidal activities of antiseptics and disinfectants. The author examined the in vitro bactericidal activity of several antiseptics and disinfectants generally used in the general hospitals in Taegu city, which were 1%, 2% gentian violet, 10% povidoneiodine, 2% boric acid, 2% mercurochrome, 3% H20 2, 70% isopropyl alcohol, 2% iodine tincture 0.02%, 0.2% potassium permanganate, 2% zephanon, 4% hibiclen, 5% hibitan, 75% ethanol, 2% glutaraldehyde, 1%, 2% cresol 1%, 3% phenol and 10% formalin. Clinical strains of Staphylococcus aureus, Staphylococcus epidermidis, Salmonella typhi, Escherichia coli, Klebsiella pneumoniae, Klebsiella oxytoca, Proteus mirabilis, Proteus vulgaris, Serratia marcescens, Acinetobacter baumannii, Acinetobacter lwof fii, Pseudomonas aeruginosa, Pseudomonas chlororaphis, Enterobacter aerogenes, Enterobacter cloacae, Bacillus subtilis, and Candida albicans were inoculated in to the several diluted solutions of antiseptic and disinfectant added with 1% human plasma, and 0.01 ml were plated to blood agar plates for bacterial survival at 0.5, 1, 2, 4, 8, 16 and 32 minutes. The results showed that : 1. All strains tested were killed within 30 seconds at 4 OC and 22°C in 2% zephanon, 4% hibiclen, and 5% hibitan. 2. All strains, except spore-forming Bacillus subtilis tested were killed within 30 seconds at 4°C and 22°C in 2% glutaraldehyde, 3% phenol, 70% isopropyl alcohol, 2% iodine tincture, and 75% ethanol. 3. At 22°C, all strains, except spore-forming Bacillus subtilis tested were killed within 30 seconds in 1% cresol, but at 4 OC S. au reus and S. epidermidis were alived for one minute and A. lwoffii were alived for 30 seconds. 4. All strains tested were alived until! 32 minutes at 4 OC and 22 OC in 2% boric acid and 0.02% potassium permanganate. 5. In generaly, the maximum exposure time for bacterial killing of antiseptics was more prolonged at 4 OC than at 22°C.
자기저항 헤드용 MR / TbCo 박막의 자기교환 결합
서정교(J-K. Seo),조순철(S-C. Jo) 한국자기학회 1996 韓國磁氣學會誌 Vol.6 No.1
To simulate the characteristics of magnetic exchange coupling at the interface of MR /TbCo thin films, the directions of magnetizations were calculated by minimizing energy in the films. Newton method and Gauss-Seidel method were used. The width of M-H curve increased with TbCo anisotropy constant, and with the thickness of the transition region of TbCo layer. Hysteresis loop width became extremely narrow (less than 10 Oe of coercivity), when the TbCo transition region length was 400 Å. Also the hysteresis loop of films with low interfacial exchange coupling constant was similiar to that of short transition region length. When interfacial exchange coupling constant was 1/100 of perfect coupling, hysteresis loop showed a coercivity of less than 10 Oe. Comparing the measured hysteresis loop of a fabricated sample with that of simulated one, exchange coupling constant could be estimated.