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      • 초고속 통신망에서 비디오의 주관적 품질 평가에 관한 연구

        강명화,강진석,최연성,김장형 濟州大學校 産業技術硏究所 2001 산업기술연구소논문집 Vol.12 No.1

        According to information communication business faces with competitions in a various spheres with the development of multimedia and information communication. the time when we have to make an effort to improve a quality comes from an era when we devote ourselves to quantitative expansion. we will try to perform quality assessments of real-time interactive multimedia service. and so on - in this research and present criteria of new subjective quality assessments which is fit on Korea by analyzing examples of ITU-T and foreign countries and Korea.

      • 모 축전지 회사 근로자들의 연폭로 지표에 대한 경시적 관찰

        강명식,김용배,이용진,리갑수,김화성,황규윤,장봉기,이성수,안규동,이병국 순천향대학교 산업의학연구소 1998 순천향산업의학 Vol.4 No.1

        Lead poisoning is still prevalent and one of important occupational disease in Korea. To prevent undue high lead burden and maintain good health condition of lead workers in lead using industries, periodic health examination and regular biological monitoring of lead workers are often required in addition to the fundamental improvement of their working condition. To evaluate the effect of comprehensive occupational health program with regular biological monitoring on the level of lead exposure of lead workers in lead using industries, 11 year database from 1983 to 1994 of one storage battery factory was reviewed. From 1983 to end of 1986 only periodic health examination was provided to the lead workers, but from 1987 comprehensive occupational health program with regular biological monitoring was provided to maintain better health condition of lead workers. Selected study variables for lead exposure were blood lead(PbB), zinc protoporphyrin in blood(ZPP), δ-aminolevulinic acid in urine(ALAU), hemoglobin(Hb), hematocrit(HCT). Information on sex, age and work duration was also reviewed. 5 years data from 1983 to 1987 and 3 years data from 1990, 1993 and 1994 were available for all lead exposure indices except ALAU which has only 5 years data from 1983 to 1997. The results of 11 years longitudinal observation of lead indices are all follows: 1. The mean value of ZPP of lead workers in 1983 was 148.7±73.1 ㎍/㎗(Male: 145.5±72.3, Female: 168.1±79.1), whereas that of ZPP of lead workers in 1994 was decreased to 64.3±32.7 ㎍/㎗(Male: 60.2±28.8, Female: 95.2±43.4). 2. The mean value of PbB of lead workers in 1983 was 56.4±18.8 ㎍/㎗(Male: 55.59±19.1, Female: 59.6±19.1), whereas that of PbB of lead workers in 1994 was dcreased to 35.4±11.9 ㎍/㎗(Male: 35.7±12.0, Female: 32.8±10.8). 3. The mean value of Hb of lead workers in 1983 was 14.1±1.4 g/㎗(Male: 14.4±1.1, Female: 11.7±0.8), whereas that of Hb of lead workers in 1994 was increased to 15.6±1.5 g/㎗(Male: 15.9±1.2, Female: 12.9±1.1). 4. Blood lead is most highly correlated with ZPP(r=0.522, male:0.54 and female:0.50) and also correlated with ALAU and work duration also. 5. The simple regression analysis of PbB and ZPP showed different coefficient of regression by the measurement year, but there was no difference of coefficient of regression between sex. The slope of equation of pooled data for 1983-1986 without comprehensive occupational health program was 2.16 and differed from that of pooled data for 1987-1994(1.25). This difference suggests that the unit effect of blood lead on ZPP was relatively smaller in later period of comprehensive occupational health program than carly period without comprehensive program. The slope change in the analysis of linear regression of PbB on ZPP in lead workers can be used to evaluate the possible effect of health intervention to prevent undue high lead absorption in lead using industries. 6. 11 years occupational health service in this storage battery factory brought out considerable improvement of health status of lead workers in terms of decrease of PbB and ZPP and increase of Hb and the improvement was more remarkable after the introduction of comprehensive occupational health program.

      • Streptococcus faecalis var. liquefaciens 의 Plasmid 와 변이주 형질의 연관성

        姜國熙,李命基,金榮勳,李春花,朴淵姬 成均館大學校 科學技術硏究所 1986 論文集 Vol.37 No.2

        Lac^- and Prt^- variants were selected from Str. faecalis var. liquefaciens SKD-1007 by acrifiavin treatment. Prt^- Lac^- variant was obtained from Prt^- vaiant by mitomycin C treatment. The plasmid of variants showed same pattern with parent strain. Plasmid cured variants(SKR1, SKR2, SKR3) were obtained from parent treated by novobiocin. SKR3 variant which lost pSK6 plasmid(2.1 Mdal) was sensitive to lincomycin and erythromycin. The results implied that pSK6 plasmid of test strain was associated with antibiotic resistance (L.M, EM).

      • 금속촉매산화계에 의한 단백질과 DNA의 산화적 손상에 대한 Candida Protetor의 효과

        김명희,김강화 全南大學校家政科學硏究所 1993 生活科學硏究 Vol.3 No.-

        Candida pseudotropicalis로부터 분리 정제된 항산화단백은 메르캅탄을 포함한 금속촉매산화계에 의한 대장균 글루타민합성효소의 불활성화 및 효소 단백의 분절을 억제하였을 뿐 아니라 DNA의 분절 또한 억제하였으나 전자공여체로서 아스코르브산을 포함한 금속촉매산화계에 의한 산화적 손상은 억제하지 못하였다. 그러나 아스코르브산을 포함한 금속촉매산화계에 의한 DNA의 분절은 디티오트레이톨 존재시 Candida 항산화단백에 의하여 억제되었는 바 Candida 항산화단백은 금속촉매산화계를 억제하개 위하여 메르캅탄을 요구하는 것으로 보인다.

      • 간호대학생들의 영성에 관한 연구

        이명화,강희경,박진경 고신대학교 전인간호과학연구소 2003 전인간호과학연구 학술모음집 Vol.2 No.-

        The purpose of this study was an attempt to investigated a spirituality of nursing students and to provide baseline data for spirituality development education of nursing students. The method The subjects were 499 students at department of Nursing, 5 University in Busan. The data were collected from June 7th to July 18th, 2002. The instrument was used Hosden's Spirituality Assessment Scale. The results were as follows. 1. The score on spirituality scale ranged from 28 to 140 with a mean of 101.14±8.40(3.89±0.33) 2. The score on percieved health state ranged from 1 to 5 with a mean of 3.42±0.80 3. The spirituality according to general characteristics showed significant differences in sex(t=-2.125, p=.034) religion(F=7.387.66, p=.007) drinking (t=-2.401, p=.0170, atomsphere of home (F=7.659, p=.0060. 4. The spirituality according to religionious characteristics showed significant differences in influence of religion,(F=6.489, p=.002) necessity of religion(F=4.608, p=.003), help of religion(F=11.213, p=.000), subjectivity of God in life9f=7.412, p=.000), reading of religionious books(F=5.5768, p=.001), participation of religion ceremony (F=5.007, p=.002). 5. There were significant positive correlation between percieved health states and spirituality.(r=.498, p=.004) Conclusionly, spirituality of nursing students was high and was influenced in sex, religion, drinking, atomsphere of home, religionious characteristics, percieved health status.

      • KCI등재

        글루코만난을 첨가하여 제조한 패티가 고지방 식이로 유도된 비만 흰쥐의 체중 감소 및 영양상태에 미치는 영향

        박수진,강명화 동아시아식생활학회 2005 동아시아식생활학회지 Vol.15 No.1

        This study was carried out to investigate the effect of body weight reduction of patty containing glucomannan in high fat diet-induced obese rats. Male Spraque-Dawley rats were randomly assigned to control and high fat diets groups for 4 weeks. After 4 weeks, the control and high fat diet groups were rearranged into 5 groups by different levels of patty containing glucomannan (60%). After 5 weeks, serum and whole blood levels were analyzed. Obesity index was significantly lower in the group fed patty containing glucomannan than that of high fat diet groups. The status of white blood cells in hematological examination was significantly higher in rats fed high fat diet and not significantly different from those fed patty. Serum albumin levels were not significantly different, while serum glucose levels were significantly different among groups. Serum Triglyceride and total cholesterol levels were the highest in rats fed high fat diets, while the lowest in rats fed patty containing glucomannan.

      • KCI등재후보

        사회복지시설 아동에게 시리얼보충이 철분영양상태에 미치는 영향

        정혜경,강명화 한국식생활문화학회 2003 韓國食生活文化學會誌 Vol.18 No.6

        To evaluate the effect of cereal supplementation on children's iron nutritional status of Korean institutionalized was designed. Dietary survey was carried out methods of food weighting in the breakfast or/and dinner, and record interview in lunch (n=74). A nutritional intervention study was carried out through supplementing cereal for 4 weeks in 24 children of 1 institution fro, 4 to 12 years. The children received 3.6mg elemental Fe(as 100g cereal) per day. Blood samples were drawn before and after supplementation. Nutrients which children's intakes was less than two-thirds of Korean RDA were Vit A, Vit B1, VIt B2, Ca and Fe. The mean daily intake of iron were 5.1mg for male and 4.9mg for female and 52.3% for male and 45.4% for female of Korean RDA. The proportions of children with iron depletion assessed by TIBC(>360mg/dl) and serum ferritin(<20ng/ml) were 56.6% and 58.7%, respectively. The proportions of children with the iron deficient erythropoiesis assessed by serum iron(<70ml/dl), Hb(<12g/dl), and Hct(<36%) were 76.0%, 58.7%, and 64.0%, respectively. After cereal supplementation, in anemic children, levels of Hct(p<0.001), serum iron(p<0.001) and transferrin saturation(p<0.001) were significantly increased. The effect of cereal supplementation in children with iron deficient erythropoeisis was more effective to improve the iron nutritional status than children with iron depletion. It was concluded that cereal supplementation program in anemic children was also effective to improve iron nutritional status.

      • SCOPUSKCI등재

        암환자의 삶의 질 도구개발

        태영숙,강은실,이명화,박금자 성인간호학회 2000 성인간호학회지 Vol.12 No.4

        This study was undertaken to develop an instrument to be used for measuring the concept of duality of life of Korean patients with cancer multidimensionary and correctly. It can contribute in holistic nursing care for Korean cancer patients and also provide and validate basic data to help oncology nurses measure the outcome of nursing intervention correctly. To develop this instrument, the researchers first estabilished a conceptual framework based on the results of qualitative data analysis and indepth interview method Development of the scale was conducted using a method in which 31 items were assessed by subjects' self report using linear analogue scales. The subjects were 79 D.M. Patients. 103 patients with acute illness, and 91 cancer Patients residing in Busan, Korea. Data were collected during the period from July, 24 to August 14. 2000. This instrument consisted of 31 items with a self report stale. This instrument covered 4 dimensions of cancer patients : 1) Physical wellbeing 2) psychological wellbeing 3) social wellbeing and 4)spiritual wellbeing. Each item had a possible score of 10. The reliability of the scale was tested with Cronbach's alpha. Validity was evaluated by examining the relationships of this scale. Youn's Quality of Life Questionnare scores and the Simple Quality of Life scale. Two separate runs of multiple regression were used to predict scores on the Simple Quality of Life measuremend. Further validation was obtained by examining the correlation between the instrument subscores and Youn's Quality of Life measurement subscore for convergence of this scale. Examination of the discriminant. power of the instrument was done using ANOVA test. The results are summarized as follows : 1.The reliability of the instrument for the quality of life was 0.8321 (Cronbach's alpha.), physical wellbeing dimension 0.6343. Psychological wellbeing dimension 0.6501, spiritual wellbeing dimension 0.5883. 2.This instrument had a high correlation with Youn's Quality of Life measurement(r= 0.636) in cancer Patients, whereas it had a low correlation with Simple Quality of Life measurement(r= 0.455) in cancel patients. In the D.M. patients, the instrument correlated with both the Youn's Quality of Llfe measurement and Simple Quality of life measurement(r=0.313. r= 0.407) and in the acute stage patients. the instrument had no correlation. 3.Multiple regression of individual Items on the Simple Quality of Life scores accounted for 56.8% of the variance in the Simple Quality of Life measurement, whereas, Youn's Quality of Life measurement scores accounts for 31.7%. The correlations collected from the three group had the same patterns of variations but especially the instrument developed in this study had higher disciminant power than that of Youn's Quality of Life Measurement.

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