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정영철,정애자,황익근 大韓神經精神醫學會 1988 신경정신의학 Vol.27 No.3
It has been reported that expressed emotion, a measure of family attitude toward psychiatric patients, is closely related to the relapse of schizophrenics. To test the above mentioned relationship, the authors evaluated expressed emotion of schizophrenic's relatives with six component scales; critical comment, hostility, dissatisfaction, warmth, emotional overinvolvement and guilt. The subjects consisted of three different groups ; relatives of 15 chronic schizophrenia, relatives of 15 subchronic schizophrenia and relatives of 15 neuroses who were admitted to the department of neuropsychiatry of Chonbuk Notional University Hospital. The results were as follows ; 1) 3 Groups were significantly different in frequencies of critical comment. In comparison of other expressed emotion, intensity of hostility and warmth also showed significant difference in all of the compared groups(Table 7). 2) Critical comment was positively correlated to hostility(r=0.93). But hostility was negatively related to warmth (r--0.49). 3) Comparing the high expressed emotion group with the similar studies of other countries, Korea vs California was significantly different at p<.05 X²and British vs California was also different with the statistical significance at p<.01. In addition the mean frequencies of critical comment was lowest in Korea among them.
소나무-참나무 천연혼효림에 있어서의 수분 경쟁에 관한 연구
정동준,전상근,김영채 경희대학교 생명자원과학연구원 2000 硏究論文集 Vol.21 No.-
This study is to rationalize the forest management practice based upon the growth and water competition of pine-oak natural mixed forest stands in central part of South Korea. Average volume is 259.3 m^(3)/ha for pine stands and 150 m^(3)/ha for mixed pine stands, whereas 206.5 m^(3)/ha for pure oak stands, and 71.7 m^(3)/ha for mixed oak stands. Quadratic mean diameter and quadratic mean height, basal area, and volume decrease as the direction moves from north to south, whereas the values peak at south slope and hit the lowest at the north for oak stands. The maximum water potentials measured between 12 and 14 oclock was analyzed by stand and altitude, and by direction in case of mixed stand. Water potential of pine showed higher in both pure stands and mixed stands than oak. Especially the water potential of oak in muted stands was 3 MPa, which was lower than that of pines, -2.7 MPa. The value of two species increased as the altitude gets lower. Pine has 3.2 MPa at higher altitude, -2.4 MPa at lower altitude, which are much higher than those of oak, 3.4 MPa and 2.9 MPa at higher and lower altitudes. Soil water content was high m oak pure stands than pine pure stands or mixed stands Soil water content for each direction in mixed stands tended to decrease as slope goes from north to south. Interspecific water potential and the soil moisture content turned out to be highly correlated. Under the same soil moisture content, water potential of oak was lower that that of pine. Therefore, it seems that both pine and oak have high moisture requirement in the highly competitive southern slope and oak has higher moisture requirement than pine. It is concluded that, oak is in much competitive position than pine in terms of water competition.
정영희,남현근 광주보건대학 1975 論文集 Vol.2 No.-
In order to know the Diets of Urban and Rural of Jeonnam Area, Nutrition survey carried out through two years. 1) In urban area, average intake of the 1, 2, 3, food-stuff groups per day is 969.66 gr(1974), 1,058.16 gr(1975). 2) In rural area, average intake of the 1, 2, 3, food-stuff groups per adult per day is 1,003.12 gr (1974), 949.70 gr (1975). 3) In urban area, Average intake of Nutritional elements per adult per day 433.88 gr(1974), 490.04 gr(1975), and in rural area, 604.41 gr(%974), 568,87 gr(1975). 4) Average Calorie distribution of the Nutritional elements per adult per day is 12.51% (Protein), 7.46% (Fat), 80.03% (Carbohydrates) in 1974 and 12.31% (Protein), 13.49%(Fats), 74.19% (Carbohydrates) in 1975 for the urban area. 5) In the rural area average, Calorie distribution per adult per day is 11.12% (potein), 5.37% (Fats), 83.61% (Carbohydrates), in 1974 and 11.44% (Protein), 9.83% (Fats), 78.73% (Carbohydrates) in 1975. 6) In the urban, ratio the animal protein per total protein intake is 30.29% in 1974, and 34.13% in the rural, 16.8% (1974), 15.26% (1975) average intake per adult per day respetively. 7) In aspect of Calorie: In the urban area, intaked Calorie is 2,525. 87 Cal in 1974, 2,533.05 Cal in 1975: In the rural area, intaked Calorie is 2,569.18 Cal in 1974, 2,45 0.82 Cal in. 1974. 8) In aspect of inorganic material, in the urban, amount of Ca intake is 569.97mg in 1974, 576.83 mg in 1975: in the rural, amount of Ca intake is 325.01 mg in 1975,385.84 mg in 1975. 9) In the urban, Fe intaked is 16:12mg in 1974, 12.74mg in 1975, In the rural, 7.26mg in 1974, 9.73mg in 1975.
스티렌 폭로 근로자들의 기중 및 혈중 스티렌과 요중 만델산의 관계 분석
정호근,강성규,양정선,김기웅,이종성,조영숙,박인정 大韓産業醫學會 1994 대한직업환경의학회지 Vol.6 No.1
The concentration of styrene in air in blood and mandelic acid in urine were checked for the 60 workers with normal liver function, exposed to styrene. Styrene in air were sampled with personal air sampler at least 4 hours and analyzed by gas chromatography. Blood and spot urine were collected at the end of shift with a vacuum tube and a polythylene bottle and analyzed by gas chromatography and high performance liquid chromatography. Means of air and blood styrene and urine mandelic acid were 8.16 ppm(geometric mean), 0.199 mg/L, and 0.519 g/g creatinine, respectively. The concentration of styrene in air and mandelic acid in urine were high in the FRP factories and low in polymerization factory. Styrene in blood showed large difference by the working process. Styrene in air showed a good correlation with mandelic acid in urine(r=0.6369) and styrene in blood(r=0.6371). The mandelic acid in urine and styrene in blood corresponded to exposure of 50 ppm styrene were 0.890 g/g creatinine and 0.434 mg/L. However, hippuric acid in urine did not show any correlation with styrene in air. Urine mandelic acid excretion expected ratio showed a tendency to decrease according to obesity index and to increase with alcohol consumption.
정상섭,박상근,오성훈,김선호,윤도흠,박정수,양우익,최인준,안영수,김경환,박창일,김진수,이현철 대한신경외과학회 1988 Journal of Korean neurosurgical society Vol.17 No.6
Recent experimental studies and clinical cases have suggested that grafting tissue from the adrenal medulla into the brain may alleviate the symptoms of Parkinson's disease. Autologous adrenal medullary grafts into the striatum was performed stereotactically in two patients with Parkinson's disease. Both patients were bedridden preoperatively, but 4 months after the surgery both became ambulatory and one was even capable of returning to his job. Even though the number of cases was small⑵ and the follow-up period was short, this study shows that adrenal medullary transplantation into the striatum may have some beneficial effects in patient with Parkinson's disease. Further experimental and clinical trials are necessary to see whether this procedure will be a recommendable surgical treatment for patients suffering from Parkinson's disease.
白鼠檢狀突起軟骨의 Acidic Glycosaminoglycan에 關한 硏究
鄭泰英,崔根培 대한구강생물학회 1977 International Journal of Oral Biology Vol.1 No.1
A study was made of acidic glycosaminoglycans of the xiphoid process of rat sternum, which the rats were orally administered with 10^4 I. U. of vitamin A daily for 45 days. Acidic glycosaminoglycans were separated with cetyl pyridinium chloride andanalyzed by chemical, electrophoretical, and enzymatical methods. The average total amount of acidic glycosaminoglycans(expressed as uronic acid) was 0.94% in normal group and 0.96% in the group administered with vitamin A. Acidic glycosaminoglycans in the cartilage of normal rat sternum proved to be chondrostin-4-sulfate(87.84%), hyaluronic acid(9.35%) and dermatan sulfate(2.82%). Dermatan sulfate increased slightly in the group administered with vitamin A.
골프장의 잔디 토양에서 살균제 Tolclofosmethyl의 분해
정근욱,우선희,김흥태,사동민,김영기,홍순달,김재정,이재구 한국환경농학회 2004 한국환경농학회지 Vol.23 No.3
Tolclofosmethyl (TCFM) is heavily and annually applied to the turf soils of most golf courses in Gyeongju to control the fungi known to cause the disease brown patch. The soil samples used for the experiment was collected three weeks after the annual application at the end of May in the year 2002. The preliminary results obtained from this study demonstrated that the repeated field annual applications of TCFM to the turf soils of a golf course located in Gyeongju city in the southern area of Korea showed the enhanced degradation of the parent compound TCFM, especially in the surface (0~15 cm) soil rather than the shallow subsurface (15~30 cm) and deep subsurface (30~45 cm) soils, compared to the corresponding surface (0~15 cm) and shallow and deep subsurface (15~30 cm and 30~45 cm) soils of the untreated plot. It appears that microorganisms in the soil may be involved in the enhanced degradation of TCFM.