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정석훈,이태경,정재열,장정기,장상현,이미경,강시현,정혜윤,유한익,김창윤,홍진표 大韓神經精神醫學會 2006 신경정신의학 Vol.45 No.1
Objectives : Recent studies have shown that schizophrenic patients are at increased risk to commit acts of aggression, and aggressive behaviors have severe critical results for the patients and victims. The purpose of the present study is to assess the homicidal behaviors of schizophrenic patients as a extreme case of aggressiveness. Methods : 93 homicidal schizophrenic patients and 93 non-homicidal schizophrenic patients participated in this study. Diagnostic evaluation was made with SCID (Structured Clinical Interview for DSM-IV), and personality trait was evaluated with SIDP (Structured Interview for DSM-IV Personality Disorders). Symptom evaluation was done with PANSS (Positive And Negative Syndrome Scale), and violent behaviors were assessed with LHA (Life History of Aggression) and OAS (Overt Aggression Scale). Results : There were no significant differences in demographic vahables, schizotypal personality trait and antisocial Personality trait between two groups. Mean age at homicidal commitment was 34±8.9 years and 9.8±7.5 years after the onset of illness. The major criminal victims were the parents of the patients (N=49, 53.7%). The aggressiveness was higher in homicidal schizophrenic patients in LHA and OAS scales. There were statistical significances in separate items of the PANSS scale such as excitement (P4), Poor rapport (N3), lack of judgement and insight (G12), disturbance of volition (G13), Poor impulse control (G14) and active social avoidnance (G16), but not in the positive, negative, general subscales and the total scores of the PANSS scale. Conclusion : Excitement and poor impulse control persisted in homicidal schizophrenics, although overt psychotic Symptoms decline after proper treatment. Homicidal behavior can be preventive if proper treatment for excitement and poor impulse control are given.
隔板을 가진 水平環狀空間에서 自然對流에 관한 實驗的 硏究
鄭泰鉉,金善政,李範澈,權純錫 동아대학교 공과대학 부설 한국자원개발연구소 1988 硏究報告 Vol.12 No.2
Natural convection from a horizontal annulus with spacers has been studied on the effects of Rayleigh numbers and position of spacers by experimental method. In case of vertical spacers, the maximum local Nusselt number appears at θ=150° in a conducting tube and θ=30° in a cylinder. The local spacer Nusselt numbers show positive values on the lower spacer, but negative values on the upper spacer. In case of horizontal spacers, the flow over the spacer is more active than that of under the spacer as the Rayleigh number increase. The maximum local Nusselt number appears at θ=180° In a tube and at θ=0° in a cylinder. The local spacer Nusselt number show positive values on the upward surface of spacer, but negative values on the downward surface of spacer. The mean tube Nusselt numbers and mean cylinder Nusselt numbers with vertical spacer are increased 11% And 2.7%, respectively by those of horizontal spacer.
태권도 품새 수련이 아동의 심박수, 심근산소소비량, 에너지 대사에 미치는 영향
정성태,전태원,박익렬,정덕조,우재홍,이광희,이동기,강현주 서울대학교 체육연구소 2000 서울大學校 體育硏究所論集 Vol.21 No.1
The Taegeuk Poomse 1 through 8 of Taekwondo are based upon eight major branches of philosophical theories. The propose of this study was to investigate the nfluence of Taekwondo poomse trainning on heart rate, MVO2, energy metabolism in primary school students. Subjects for this study were eight male the fifth∼sixth grades students who participated in exercise program consist of Taekwondo poomse trainning in dojang which is located in Shinlim-2dong, Kwanak-Gu, Seoul(12.7± 0.5years, 150.8 ±4.6cm, 45.1 ± 9.4kg, 24.9 ± 9trainning length). The results of thet this study are as follows: 1) The average of heart rate was Taegeuk Poomse 1 through 8 of Taekwondo 90.57± 4.gbeats/min in rest and 139.7 ± 17.5beats/min in exercise. The minimum heart rate was 89.0±2.8, peak heart rate was 167.1 ±6.4 in exercise. It was ranged from 42% to 80% 2) of the max heart rate and ranged 42 to 65%HRmax. Taegeuk 1 Jang was differenced with others Jangs significantly(p<0.05), 2) The time of the Taegeuk 1 through 8 Jang of Taekwondo was 5minutes 12seconds. Heart rate was ranged from 90.6 ± 7.85beats/min to 171.8 ±8.Ibeats/min and increased linearly. 3) The average of the MVO2 was 11.1 ±0.78mmHg · bpm-3 in rest and 19.1 ± 1.2mmHg ㆍbpm-3 in exercise. MVO2 was ranged from 10.5mmHg · bpm-3 to 20.3mmHg · bpm-3. There were not difference between Taegeuk Poomses(p<0.05). 4) The energy metabolism was as follows: Mean VO2 Respiratory exchange ratio, energy consumption were 0.51(V02L/min),0.71(RQ),2.32Ckca1/min) in rest respectively. but In exercise Mean VO2 Respiratory exchange ratio, energy consumption were 0.89 ± 0.18( V 02L/min), 0.79±0.08(RQ), 4.26±0.51(kcal/min) respectively . The difference was only between Taegeuk 1 Jang and Taegeuk 3 Jang(p<0.05). This study showed that the Taekwondo Poomse trainning was proper exercise for fitness, body composition and weight control in normal, abnormal(obese) children because the Taekwondo trainning are dynamic and exciting sport.
급성 심근경색 : Gd-DTPA 조영증강 자기공명영상 Gd-DTPA Enhanced Magnetic Resonance Imaging
정경일,김제현,이창호,이영주,김한수,소동문,이영돈,박경주,왕희정,탁승제,이철주,김선용,김옥화,임태환,문창현,최병일,서정호 아주대학교 의과학연구소 1996 아주의학 Vol.1 No.1
This study was undertaken to determine the value of gadolinium dimeglumine (Gd-DTPA) enhanced MRI in the diagnosis of acute myocardial infarction. Seven cats were subjected to 2 hours of left anterior descending coronary arteryocclusion (group 1) and 8 cats to 1 hour of occlusion (group 2). Reperfusion was followed by taking Tl-weighted MR images at 5, 15, 30, 45, 60 minutes after Gd-DTPA (0.2 mmol/kg) injection. Myocardial enhancement patterns were categorized into three zones (central ischemic, peripheral ischemic, and normal) or two zones (ischemic and normal) and the presence of injured myocardium in each zone was confirmed by 2,3,5-triphenyltetrazolium chloride (TTC) staining. Signal intensity (SI) of each zone was evaluated relative to back muscle in regard to its chronological changes and difference among the zones. Group 1 displayed three zones of enhancement in 6 cats whereas 1 cat in group 1 and all in group 2 showed two zones of enhancement. Intermediate SI central zone was compatible but smaller than TTC nonstained area, and determined to be a persistently occlusive injury. High SI peripheral zone in group 1 and high SI ischemic zone in group 2 were stained and determined as reperfused injury although reversibility was not definite. The peak SI, occurring 15 minutes after Gd-DTPA injection, of 2.47±0.48 at peripheral zone was greater than that of 1.66±0.36 at central zone in group 1 and of 1.81±0.41 at ischemic zone in group 2 (p < 0.05). SI of injured myocardium increased more rapidly and decreased more gradually than that of normal myocardium. That the features of SI change with time in injured myocardium was compatible with the results of other studies using different contrast agents. Gd-DTPA enhanced MRI differentiated persistently occlusive injury as central intermediate SI, and reperfused injury as homogenous high SI, with the maximal contrast between the two at 15 minutes after contrast injection, thus indicating the value of Gd-DTPA enhanced MRI in the diagnosis of acute myocardial infarction.
^(155,156)Gd 동의원소의 keV 영역 중성자 포획단면적 측정
정원정,황정훈,김현,노태익 東亞大學校 2004 東亞論叢 Vol.41 No.-
The Neutron Capture Cross-Section of ^(155,156)Gd were measured in a neutron energy region from 15 to 85 keV using the 3MV Pelletron accelerator of Tokyo Institute of Technology. Pulsed neutrons were produced from the ^(7Li)(p,n)^(7)Be reaction. The incident neutron spectrum on a capture sample was measured by means of a TOF method with a ^(6)Li-glass detector. The capture γ-ray were detected with a large anti-Compton NaI(TI) spectrometer. A pulse-height weighting technique was applied to measured capture γ-ray pulse-height spectra to derive capture yields. The capture cross sections were obtained by using the standard capture cross-section of ^(197)Au. The present results are corrected for isotope impurities of sample because the samples contain various isotope Godolinium. The present results are compared with the previous measurements and the evaluated data of ENDF/B-VI.
정만석,곽현철,석호태 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.1
Generally, Educational Buildings was selected a direction, plan and scale of building according to the figure of a site. However, In the result. The selection was spent more energy and made every effort to achieve the Thermal Comfort. In the Evaluation of Energy Performance, You must consider whether it will be worthwhile. In this study, we found a difference of Energy Consumption changes according to corridor style, direction, vertical and horizontal location, and roof-space by using DOE-2.1E energy simulation program. Based on this simulation results, found a probability of reducing energy consumption in educational buildings.
鄭鉉丞,姜奉泰,李炳五 진주산업대학교 1972 論文集 Vol.9 No.-
This is the report for 1971 of the third year project among the three years plan on the development of sheep range in Mt. Chiri. To investigate the effect of native grasses in Mt. Chiri on the breeding percentage of sheep this experiment was carried out from March 22, 1971 to March 21, 1972. Numbers of experimental animal used in this experiment were 12. Furthermore, the processing method of wool, marketing, economical analysis in the collective feeding and storage were investigated in cooperation with this experiment. The results obtained here were as follows; 1. For the processing method of wool, there are two ways; one of the processing method of wool is the self-processing method which follows the easy method of wool processing and another of the processing method of wool exchange with the good of wool texture company which follows the charge processing method of wool. 2. For the marketing route of wool, because the wool texture company can buy limitlessly wool, there are two ways to sell wool. The one of the way is the direct sell method of wool to the wool texture company and the other of the way is the sell method of wool via the route of circulation mechanism. 3. In the case of economical analysis for the collective feeding of sheep, if farms could raise 3,000 of sheep in the method of collective feeding it could get net income of 150,000 to 300,000 won for 52 days per farm per year. 4. For the storage of wool, to attach of wool fat must be needed and in the case of short period storage, wool must be placed in the arid place and in the case of long period storage, wool should be prevented from the attack of insect and rat, attachment of spurious article such as dust, decrease of weight and denaturation of wool fat. 5. The breeding percentage of sheep fed only native herbages plant was 60%.