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STS요소를 도입한 중학교 과학교육과정 개발 연구 : 물리 영역을 중심으로
박재호,김학수,박은미,백남권 釜山大學校 師範大學 1996 교사교육연구 Vol.33 No.-
The purpose of this study was to develop an STS curriculum and a sample of STS contents. The materials of daily affairs, social experiment and the interaction of Science-Technology-Society were considered. This study investigated the middle school students' science-related attitude and acknowledgement of STS education. The subjects were 191 students of middle school in Pusan. The results of this investigation can be summarized as following : 1. The science-related attitude investigation showed that many students weren't interested in the science classes, felt tiresome of new scientific introductions and didn't like the science-related works. 2. The acknowledgement-investigation of STS education showed that many students thought science should be related to technology and society, and desired daily affairs to be ralated to materials of the science class.
Blood Mercury Concentration and Related Factors in an Urban Coastal Area in Korea
Jo, Eun-Mi,Kim, Byoung-Gwon,Kim, Yu-Mi,Yu, Seung-Do,You, Chang-Hun,Kim, Joon-Youn,Hong, Young-Seoub The Korean Society for Preventive Medicine 2010 Journal of Preventive Medicine and Public Health Vol.43 No.5
Objectives: This study was carried out for the purpose of evaluating the blood mercury concentration of the residents of Busan, Korea, as well as the relationship between the mercury concentration and the pattern of fish consumption along with other epidemiological factors. Methods: Two hundred ninety-three subjects (147 men and 146 women), who were aged 40 years or more, were recruited into this study between June and October 2009. The mean age of the subjects was 54.3 years (with a range of 40-70 years). Mercury concentrations in blood samples were measured using a gold-amalgam collection method. Results: The geometric mean concentration of mercury in the total subjects was $8.63\;{\mu}g/L$ [range: $1.48{\sim}45.71\;{\mu}g/L$]. The blood mercury concentration of the men ($9.55\;{\mu}g/L$) was significantly higher than that of the women ($7.76\;{\mu}g/L$). The blood mercury concentration of those who eat fish more than 4 times per week was higher than others, and was statistically significant (male p = 0.0019, female p = 0.0002). According to the multiple analysis, the blood mercury concentration was significantly affected by the consumed fish but other epidemiological factors were not related. Conclusions: It was found that the subjects who have consumed a large amount of fish may have high blood mercury concentration. It appears that fish consumption can influence blood mercury concentration. Therefore, guidelines for fish consumption that will decrease blood mercury concentration might be necessary in Korea.
수 중 존재하는 실리케이트의 존재형태가 불용성 알루미늄실리케이트 형성에 미치는 영향
권은미(Eun Mi Gwon),홍승관(Seung Kwan Hong),김지형(Ji Hyong Kim),정욱진(Wook Jin Jung),유명진(Myung Jin Yoo) 大韓環境工學會 2007 대한환경공학회지 Vol.29 No.6
본 연구에서는 알루미늄 실리케이트의 형성으로 인한 파울링 메카니즘을 밝히기 위한 기초단계로서 잔류 알루미늄농도와 실리케이트의 존재형태가 알루미늄실리케이트 생성에 미치는 영향을 배치실험을 통해서 알아보고자 하였다. 이를 위해서 Al과 Si의 조성이 다른 용액에서 생성되는 침전물의 양을 정량하고 생성된 침전물의 형상과 원자조성비를 SEM-EDS로 관찰하였다. 아울러 용액과 침전물중의 실리케이트 형태를 분석하여 불용성 알루미늄 실리케이트의 형성과의 관계를 밝히고자 하였다. 생성된 알루미늄실리케이트의 양은 용액 중 총 실리케이트 농도와 알루미늄의 농도가 증가할수록 증가하였다. 이 중 pH 2.7에서도 녹지 않고 남아있는 침전물은 용액 중 실리케이트가 거의 반응성형태로 존재한 시료 2에서 가장 높았다. 또한 생성된 침전물의 반응성실리케이트의 함량은 용액 중 반응성 실리케이트농도가 높은 시료에서 가장 높았으며, 용액의 실리케이트의 농도가 같은 시료 중에서는 알루미늄의 농도가 높은 시료에서 높았다. 생성된 침전물의 형상을 SEM - EDS로 관찰한 결과 시료 2에서 pH 2.7에서도 녹지 않는 불용성 염이 형성되었음을 알 수 있었다. 생성된 침전물의 Al/Si비율은 0.48∼3.14였으며, 불용성 염이 뚜렷하게 관찰된 시료 2의 Al/Si 비율이 3.14로 가장 높았다. 이상의 결과를 통하여 막에서 비가역적 파울링의 원인이 되는 불용성 알루미늄실리케이트는 용액의 실리케이트가 반응성 물질로 존재할 때 생성되기 쉬우며, 아울러 공존하는 잔류알루미늄의 농도비도 매우 중요한 영향인자라는 것을 알 수 있었다. The goal of this research was to identify the impact of silicate polymerization on the formation of insoluble aluminiumsilicate salts which could be a cause of irreversible fouling in the membrane process by lab-scale test. For this, the amount and characteristics of precipitates that were formed in six samples with different Al and Si concentration were analyzed. And the particles was also observed by SEM-EDS(Scanning Electron Microscope - Electron Dispersion Spectrophotometer) to compare morphology and ratio of Al and Si in each precipitates. Finally the reactive and nonreactive silicate contents in the solution and precipitates were analyzed to calculate silicate form content in each fraction. The amount of precipitates was in proportion to the total concentration of both element in solution. And the amount of insoluble particle that was not dissolved in the acid solution was recorded the highest in the sample 2 of which Si concentration was lower than the saturation concentration, 50 mg/L. The content of reactive silicate in precipitates was also recorded the highest value in sample 2 of which almost silicate form was reactive. When the silicate concentration is same, that value was recorded the highest in the sample with highest Al concentration. The SEM morphology of the precipitates was similar to that of Aluminiumhydroxide and the insoluble precipitates was not dissolved in acidic solution with pH 2.7 was able to observed only in sample 2. The ratio of Al and Si in the precipitates was ranged 0.48~3.14, that of sample 2 was recorded the highest value, 3.14. It is concluded that the insoluble aluminiumsilicate could be easily formed in the solution of which silicate exist as a reactive form and coexisting Al is sufficient.
당뇨병 환자의 임상영양치료를 위한 임상영양사의 직무표준 개발
권수진 ( Su Jin Gwon ),우미혜 ( Mi Hye Woo ),주달래 ( Dal Lae Ju ),김은미 ( Eun Mi Kim ),박미선 ( Mi Sun Park ),손정민 ( Cheong Min Sohn ),위경애 ( Gyung Ah Wie ),이송미 ( Song Mi Lee ),차진아 ( Jin A Cha ),서정숙 ( Jung Sook Seo 대한영양사협회 2015 대한영양사협회 학술지 Vol.21 No.1
This study was conducted to develop job standards for clinical dietitian administering clinical nutrition therapy to diabetic patients in hospitals. Based on DACUM (Developing A Curriculum) analysis of 17 members including clinical dietitians, professors majoring in clinical nutrition and researchers, information on duties, tasks and task elements of clinical dietitians for diabetes care were derived and applied to diabetes mellitus- specific clinical nutrition care in hospitals for evaluation. The final developed job standards for clinical dietitians for diabetes care included four duties, 19 tasks and 56 task elements. The duties consisted of nutrition assessment, nutrition diagnosis, nutrition intervention, and nutrition monitoringㆍevaluation. For application of diabetes mellitus-specific job standards in clinical nutrition care, 108 work activities were developed and classified into 90 basic and 18 recommended types. Performance rates of standardized jobs were 80.2% at nutrition assessment, 99.6% at nutrition diagnosis, 78.5% at nutrition intervention, and 32.9% at nutrition monitoringㆍevaluation. These results can be applied as guidelines to implement jobs for diabetes mellitus-specific clinical nutrition services in clinical settings. In addition, they would be useful for education standards in educational institutions for education and training of clinical dietitian.