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김헌수,이재우,나철,김영돈,김민호,김은희,권지란,박광식,이길홍,민병근 중앙대학교 의과대학 의과학연구소 1987 中央醫大誌 Vol.12 No.4
The purpose of the present study was to examine the relationship between their problem behavioral pattern and anxious trends among Korean student adolescent. Zung's measurement of anxiety level undergone through used of the self-rating anxiety scale. the data were collected through the questionaire survey which was conducted on Dec.1, 1983. Subjects served for this atudy consisted of 1,404 syudents in Korea, randomly sampled from Korean student population by means of census method. The data were analysed by CDC-174 computer of KAIST, using SPSS pogram. Statistical methods empoyed were χ^2 test and Eta measures. the results of this study were as follows. 1. It showed that students psychological anxious trends had greatest significant correlation with adolescent student's problem brhavioral pattern, but the cardiovascular, respiratory, gastrointestional and genitourinary anxious trends has not significantly related with student's problem behavioral pattern. 2. Students group with undersocialized aggressive, undersocialized nonaggressive,undersocialized school-norm avoidant, or socialized nonaggressive behavioral patterns were less anxious, whereas those with socialized latent aggressive, socialized sexual, or socialized modellong behavioral patterns were higher anxious.
족저압력분포 측정장비를 이용한 골프 스윙시 족저압 분석
이동기,이중숙,이범진,이훈식,김용재,박승범,주종필 한국운동역학회 2005 한국운동역학회지 Vol.15 No.1
D. K. LEE, J. S. LEE, B. J. LEE, H. S. LEE, Y. J. KIM, S. B. PARK, J. P. JOO. PIantar foot pressure analysis during golf swing motion using plantar foot pressure measurement system. Korean Journal of Sport Biomechanics, Vol. 15, No. 1, pp. 75-89, 2005. In this study, weight carrying pattern analysis and comparison method of four foot region were suggested. We used three types of club(driver, iron7, pitching wedge). This analysis method can compare between top class golfer and beginner. And the comparison data can be used to correct the swing pose of trainee. If motion analysis system, which can measure the swing speed and instantaneous acceleration at the point of hitting a ball, is combined with this plantar foot force analysis method, new design development of golf shoes to increase comfort and ball flight distance will be available. 1. Address acting, forces concentrated in rare foot regions and lateral foot of right foot. Back swing top acting, relatively high force occurred in medial forefoot region of left foot and forefoot region of right foot. Impact acting, high force value observed in the lateral rarefoot region of left foot and medial forefoot region of right foot. Finish acting, force concentration observed on the lateral region and rarefoot region of left foot. 2. Forces were increased in address of right foot with clubs length increased. All clubs, back swing top acting, high force value observed in the lateral forefoot region of right foot. All clubs, in impact, high force value observed in the lateral rarefoot region of left foot and medial forefoot region of right foot. Finish acting, force concentration observed on the rarefoot region in driver and lateral foot region in iron on left foot. 3. Right foot forces distribution were increased in address, back swing top and left foot force distribution were increased in impact, finnish
Lee, Sunghun,Lee, Dong Hun,Park, Bong-Woo,Kim, Riyoun,Hoang, Anh Duc,Woo, Sang-Keun,Xiong, Wenjun,Lee, Yong Jin,Ban, Kiwon,Park, Hun-Jun Nature Publishing Group UK 2019 Experimental and molecular medicine Vol.51 No.2
<▼1><P>Vascular regeneration in ischemic hearts has been considered a target for new therapeutic strategies. It has been reported that ETV2 is essential for vascular development, injury-induced neovascularization and direct cell reprogramming of non-endothelial cells into endothelial cells. Thus, the objective of this study was to explore the therapeutic potential of ETV2 in murine models of myocardial infarction in vivo. Direct myocardial delivery of lentiviral ETV2 into rodents undergoing myocardial infarction dramatically upregulated the expression of markers for angiogenesis as well as anti-fibrosis and anti-inflammatory factors in vivo. Consistent with these findings, echocardiography showed significantly improved cardiac function in hearts with induced myocardial infarction upon ETV2 injection compared to that in the control virus-injected group as determined by enhanced ejection fraction and fractional shortening. In addition, ETV2-injected hearts were protected against massive fibrosis with a remarkable increase in capillary density. Interestingly, major fractions of capillaries were stained positive for ETV2. In addition, ECs infected with ETV2 showed enhanced proliferation, suggesting a direct role of ETV2 in vascular regeneration in diseased hearts. Furthermore, culture media from ETV2-overexpressing cardiac fibroblasts promoted endothelial cell migration based on scratch assay. Importantly, intramyocardial injection of the adeno-associated virus form of ETV2 into rat hearts with induced myocardial infarction designed for clinical applicability consistently resulted in significant augmentation of cardiac function. We provide compelling evidence that ETV2 has a robust effect on vascular regeneration and enhanced cardiac repair after myocardial infarction, highlighting a potential therapeutic function of ETV2 as an efficient means to treat failing hearts.</P></▼1><▼2><P><B>Cardiovascular disease: New hope for healing the heart</B></P><P>A gene therapy strategy that stimulates cardiovascular repair could improve recovery for heart attack patients. Heart attacks inflict severe damage on the heart and blood vessels, tissues with limited capacity for self-repair. Researchers led by Kiwon Ban of the City University of Hong Kong and Hun-Jun Park of the Catholic University of Korea, Seoul, have now demonstrated that a gene responsible for cardiovascular development can also efficiently stimulate heart repair. They used viruses to deliver the gene into a mouse model of heart attack, and showed that treated heart tissues exhibited strong recovery relative to untreated controls. The treatment reduced scar tissue formation and promoted proliferation of the cells lining blood vessels and blood vessel formation, measurably improving heart function. This approach could lay the groundwork for treating a common potentially fatal event.</P></▼2>
Kim,Jeong-Hun,Kim,Hong,Lee,Bog-Young,Lee,Chang-Seop 한국화재소방학회 1997 한국화재소방학회 학술대회 논문집 Vol.1997 No.-
Experiments were conducted to evaluate the hazard risks of vehicle fires. Sensors were strategically placed in passenger cars to determine the temperature, propagation rate and direction of flame. The life safety hazard evaluations such as smoke and gas analysis were included. An important ignition position was performed in the engine compartment. The effects of different ignition positions and the opening of door glasses were also reviewed. The experimental results indicate that the maximum temperature when a vehicle burns varies commonly from 90<TEX>$0^{\circ}C$</TEX> -100<TEX>$0^{\circ}C$</TEX>. The flame reaches in the face of a driver about 6-7minutes and the windshield glass breaks about 10 minutes after the ignition in the engine compartment of vehicle. And the smoke and gas concentrations reached the limit of human inhalation after 13-14 minutes. Especially the concentrations of carbon monoxide exceeded the TWA(50 ppm) during short time after ignition in cases of all experiments.
서울의 Penicillinase Producing Neisseria gonorrhoeae 발생빈도(1998)
김재홍,김준호,반재용,이정우,황성주,정준규,정성태,강진문,조흔정,홍창의,정혜신,이한승,김이선,이봉길,이종호,선영우,한기덕,윤성필,이성훈,안종성,박석범,문승현,조항래,김형섭,류지호,황재영,박준홍,손상욱 한양대학교 의과대학 2001 한양의대 학술지 Vol.21 No.1
In recent years, gonorrhea has been pandemic and remains one of the most common STDs in the world, especially in developing countries. For the detection of a more effective therapeutic regimen and assessing the prevalence of Penicillinase Producing Neisseria gonorrhoeae(PPNG), we have been trying to study the patients who have visited the Venereal Disease Clinic of Choong-Ku Public Health Center in Seoul since 1980 by menas of the chromogenic cephalosporin method. In 1998, 93 strians of N. genorrhoeae were isolated, among which 60(64.5%) were PPNG. The prevalence of PPNG in Seoul, which had been decreased to 39% in 1996 after a peak of 74.3% in 1993, is increased to 64.5% in 1998.
미소결함의 형상인식을 위한 디지털 신호처리 적용에 관한 연구
김재열,홍석주,이규태,김병현,김훈조,김양중 韓國工作機械學會 2000 한국생산제조학회지 Vol.9 No.1
In this study, the classified researches the artificial and natural flaws in welding pails are performed using the pattern recognition technology. For this purpose the signal pattern recognition package including the user defined function was developed and the total procedure including the digital signal processing, feature extraction, feature selection and classifi-er selection is treated by bulk. Specially it is composed with and discussed using the statistical classifier such as the linear discriminant function the empirical Bayesian classifier. Also, the pattern recognition technology is applied to classifica-tion problem of natural flaw(i.e multiple classification problem - crack, lack of penetration, lack of fusion, porosity, and slag inclusion, the planar and volumetric flaw classification problem). According to this results, it is possible to acquire the recognition rate of 83% above even through it is different a little according to domain extracting the feature and the classifier.
Statistical Analyses of Interpretive Properties of Korean Multiple Subject Constructions
( Kim Ji-hye ),( Lee Yong-hun ) 한국현대언어학회 2017 언어연구 Vol.32 No.4
Multiple Subject Constructions (MSCs) have been one of the interesting topics in Korean syntax, and there have been lots of studies on this topic. Among the studies, Yoon (2004, 2009, 2015) pointed out that two interpretive properties (Characteristic and Newsworthy) play an important role in making MSCs acceptable to the native speakers. Kim (2015) adopted this idea in her experimental study and showed that these two interpretive properties played a role in Korean native speakers` knowledge of MSCs. This paper applied more statistical analyses to Kim`s (2015) study and investigated how these two interpretive properties affected the acceptability of MSCs. We first adopted a multinomial regression test to examine (i) how these two interpretive properties affected the acceptability of MSCs and (ii) if there is any interaction between these two factors. Then, we applied the predict() function and correlation tests to statistically examine which factor was more powerful. Through the analysis, the following facts were observed: (i) both Characteristic and Newsworthy play a role independently, (ii) there is no interaction between these two factors, and (iii) Newsworthy finally had more powerful influence than Characteristic in the acceptability of MSCs. (Korea National University of Education · Chungnam National University)