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서정파,권영헌,이건상 한양대학교 이학기술연구소 2002 이학기술연구지 Vol.4 No.-
We proposed correlation exponent as feature vector of speaker recognition system aming the persons whose voices are much the same with each other. The ambiguity of speech utterance can be regarded as a chaotic property. For speakers whose voices appear to be nearly identical, with their vowel /i/ that is more chaotic than /a/,/e/,/o/, or /u/ was tested. since chaos which is sensitive to a noise, a reduction is necessary. We eliminate the noise by local projective noise reduction method and compare the behavior of the attractors of original speech and noise reduced speech. 본 논문에서는 발음이 매우 유사한 사람들 간의 화자 인식 시스템 구현을 위한 feature vector로써 correlation exponent의 사용을 제안하였다. 음성의 발성적 모호함을 chaos적인 특성으로 간주하고 formant 특성이 거의 동일하게 나타나는 화자들에 대해 모음 /i/ 발음을 채집하였다. 잡음에 민감한 카오스의 correlation exponent를 구하기 위해서는 선행적으로 잡음제거가 필수적이다. 이를 위해서 비선형 방법으로 잡음을 제거하고 잡음제거전의 각 화자들의 attractor를 비교하였다.
김동권,이수복,하종욱,김정훈,박인준 한국공업화학회 2003 응용화학 Vol.7 No.2
Perflurorourethane copolymers were stnthesized by free-radical copolymerization using a fluorine-containing monomer and urethane monomers as starting materials. The fluorine-containing monomer used was perfluoroalkyl alcohol(FOH), and the urethane monomers used were tolylene 2,4-diisocyanate(TDI), hexamethylene diisocyanate(HDI), and 4,4-methylene bis(phenyl isocyanate)(MDI). The surface properties and surface modification ability of the perfluorourethane copolymers prepared were investigated. The surface free energies of polyethylene(PE) films modified by the perfluorourethane copolymers and their surface modifkcation properties were also investigated.
李相勳,權貞南,李仁仙 동의대학교 한의학연구소 1997 동의한의연구 Vol.1 No.-
Infertility, delayed menstrual cycle, amenorrhea and abortion are frequents gynecology disease which my patients have. These disease cause and effect relation. They are classified types by dificiency of the kidney(腎虛), stagnation of qi(氣滯), dificiency of qi and blood(氣血虛弱), damp phlegm(濕痰) and blood stasis(血瘀). I made the administrative survey for oriental gynecology after I esearched types of menstrual symptom, digestive symptom, stool symptom, urine symptom and general symptoms. In conclusion, I made fundamentals of a verity of analysis. I expect the treatment range of oriental gynecology is expended and treatment generation is made by the survey.
정민철,정혜성,김성민,이정훈,박권필,안호근 한국공업화학회 2005 응용화학 Vol.9 No.1
We have been used for the Pt catalyst of cathode electrode in fuel cell. Weak point of Pt electrode are easily deactivated by the CO poisoning which are producing in reaction at electrode. Recent, researchers have developed cathode electrode to avoid the CO poisoning in electrode using the Pt-alloy or another novel metal. We now report Au-carbene complexes as an Au-electrode precursor derived from the reaction of the carbene with the ClAu(PPh₃) complex in THF/MeOH.
서울의 Penicillinase Producing Neisseria Gonorrhoeae 발생빈도(1996)
김재홍,황동규,전재홍,김윤석,김중환,김용준,이창균,임동진,김현수,조창근,김경문,박상훈,전우형,김희성,이호정,차명수,김갑형,김형석,김석우,황지환,박병순,권오상,이민수,송기훈,성소영,이인섭,부태성 대한화학요법학회 1999 대한화학요법학회지 Vol.17 No.2
Background : In recent years, gonorrhea has been panedemic and remains one of the most commom STDs in the world, especially in developing countries. Objective & Methods: For the detection of a more effective therapeutic regimen and assessing the prevalence of PPNG, we have been trying to study the patients who have visited the VD Clinic of Choong-Ku Public Health Center in Seoul since 1980 by means of the chromogenic cephalosporin method. Results: In 1996, 139 strains of N. gonorrhoeae were isolated, among which 53(39.0%) were PPNG. Conclusion: Our results suggests that after a peak of 74.3% in 1993, the prevalence of PPNG in Seoul is gradually declining.
춘계학술대회 : 포스터전시 ; 만성 C형간염환자에서 인터페론과 리바비린 치료 중 발생한 허헐성 대장염
( Su Jung Baik ),( Tae Hun Kim ),( Yoon Joo Na ),( Hae Sun Jung ),( Chang Yoon Ha ),( Min Jung Kang ),( Ji Min Jung ),( Hyun Joo Song ),( Hye Jung Yeom ),( Ki Nam Shim ),( Sung Ae Jung ),( Kwon Yoo ) 대한간학회 2007 Clinical and Molecular Hepatology(대한간학회지) Vol.13 No.3(S)
( Dong Hun Choi ),( In Su Kwon ),( Jung Hoon Koo ),( Yong Chul Jang ),( Eun Bum Kang ),( Jung Eun Byun ) 한국운동영양학회 2014 Physical Activity and Nutrition (Phys Act Nutr) Vol.18 No.2
Dong Hun Choi, In Su Kwon, Jung Hoon Koo, Yong Chul Jang, Eun Bum Kang, Jung Eun Byun, Hyun Sub Um, Hoo SeongPark, Dong Cheol Yeom, In Ho Cho and Joon Yong Cho. The effect of treadmill exercise on inflammatory responses in ratmodel of streptozotocin-induced experimental dementia of Alzheimer`s type. JENB., Vol. 18, No. 2, pp.225-233, 2014 [Purpose]The aim of this study was to investigate the effect of treadmill exercise on inflammatory response in streptozotocin (STZ)-inducedanimal model of Alzheimer`s disease (AD). [Methods]To induce the animal model of AD, Sprague-Dawley rats were injectedinto intracerebroventricular (ICV) injection with 1.5 mg/kg of STZ. Rats were divided into three groups as Sham-con group (n= 7), STZ-con group (n = 7) and STZ-exe group (n = 7). Exercise group ran on the treadmill for 30 min/day, 5 days/week during6 weeks. [Results] The results of this study were as follows: First, STZ-exe group was improved on cognitive function whencompared to STZ-con group in water maze test. Second, STZ-exe group help reduce the expression level of amyloid-beta (Aβ). In addition, Toll-like receptors-4 (TLR4), Nuclear factor-kB (NF-kB), Tumor necrosis factor-α (TNF-α) and Interleukin-1α (IL-1α)level of STZ-exe group was significantly decreased when compared to STZ-con group. [Conclusion] These results show that treadmillexercise had positive effect on cognitive function and reduced inflammatory response in STZ-induced animal model of AD. [Keyword]Streptozotocin, Alzheimer`s disease, Treadmill exercise, Amyloid-beta, Inflammatory
춘계학술대회 : 포스터전시 ; 장기간 라미부딘 치료 만성 B형간염환자에서 YMDD 돌연변이를 동반하지 않은 라미부딘 내성 바이러스의 검출
( Su Jung Baik ),( Kwon Yoo ),( Yoon Joo Na ),( Hae Sun Jung ),( Chang Yoon Ha ),( Min Jung Kang ),( Ji Min Jung ),( Hyun Joo Song ),( Hye Jung Yeom ),( Tae Hun Kim ),( Ki Nam Shim ),( Sung Ae Jung ) 대한간학회 2007 Clinical and Molecular Hepatology(대한간학회지) Vol.13 No.3(S)