This study was conducted to assess the levels of microbiological hazards of preprocessed Namuls, which were served at the school foodservice. 19 preprocessed ground or root vegetables were collected from 21 schools in May to June of 2011. Heavy contamination of aerobic plate counts (from 3.39 to 8.42 logCFU/g) and total coliform groups (from 3.16 to 7.84 logCFU/g), enterobacteriaceaes (from 2.53 to 7.55 logCFU/g) were detected in preprocessed Namuls. In addition, the detection rates of Escherichia coli, Staphylococcus aureus and Bacillus cereus (emetic form) were 4.3%, 11.7% and 2.1%, respectively. In addition, sanitary indicative bacterium at preprocessing steps of root vegetables (lotus root, burdock root, bellflower root) and blanched Namuls (bracken, sweet potato vine, chinamul) were analyzed. Aerobic plate counts, coliform groups, and enterobacteriaceaes were not effectively removed during preprocessing including washing and soaking steps. In the case of blanched Namuls (bracken, sweet potato vine, chinamul), contamination levels increased more after drying process and no significant reduction effect on the levels of microbial contamination was observed during preprocessing steps. Thus, effect of preprocessing steps on the microbiological hazards in Namuls must be reevaluated to improve the microbiological quality of preprocessed Namuls at the school foodservice and retail markets.

자전거는 에너지 소모나 오염을 발생시키지 않는 지속가능한 녹색교통수단으로 정부는 자전거이용 활성화를 적극 추진하고 있다. 그러나 자전거 시장규모 증가와 함께 자전거 사고 또한 지속적으로 증가하고 있다. 현재 KHCM에서 제시하고 있는 자전거도로 평가는 자전거도로를 유형별로 구분하여 각기 다른 효과척도를 적용하여 자전거의 이동성과 안전성을 평가하고 있으며, 현장조사를 통한 자료수집을 통해 도로를 평가하고 있다. 본 연구에서는 공공자전거에 장착된 GPS수신기를 활용한 자전거 주행환경 평가 방안으로 수집된 자전거 주행속도자료를 이용하여 모든 자전거도로에 적용 가능한 구간단위의 자전거 주행환경을 평가하는 방법론을 제시하였다. 주행쾌적성 평가지표 개발을 위해 자전거GPS속도계를 장착한 실험자전거를 이용하여 도로선형, 신호교차로 및 과속방지턱의 유무 등 주행환경이 다른 자전거도로의 속도자료를 수집하였다. 분석시간동안 자전거 주행환경평가를 위해 자전거 주행속도 감소량을 분석하여 주행쾌적성을 0~1 사이의 값으로 계량화한 CCI(Cycling Comfortability Index)를 개발하였다. 실험구간별로 산출된 CCI를 분석한 결과, 주행쾌적성은 신호교차로와 종단구배의 영향을 많이 받는 것으로 나타났으며, 이를 바탕으로 도로환경에 따른 LOCC(Level of Cycling Comfortability)를 도출하였다. 본 연구의 결과는 GPS수신기를 장착한 공공자전거에 적용하여 자전거 교통의 모니터링 시스템으로 발전시키는데 유용한 기초자료로 활용될 것으로 기대된다.

목적 : S-PBL학습방법이 학생들의 학업성취도와 만족도에 영향을 미치는지 알아보기 위해 교육평가도구를 개발하여 작업치료과 학생들의 교육양상을 살펴보고, 교과목 운영에 있어서 통합교과목과 교과목 부분통합으로 운영하는 학과간의 차이를 비교분석하여, S-PBL학습방법의 효과를 밝히는데 있다.연구 방법 : PBL학습을 기초로 S-PBL학습방법을 경험한 간호·보건계열 학생 966명을 대상으로 조사하였다. 작업치료과는 2년간 적용한 학년과 학기별 비교와 교과목 운영에 영향을 미치는지를 알아보기 위해 학과간의 비교분석으로 학생들의 교육효과를 검증하였다. 결과 : 첫째, 작업치료과 학생들은 1학기보다 2학기에 학업성취도와 학습만족도가 높았으며, 1학년보다 3학년이 모든 항목에서 높았다. 특히, 그룹활동 능력은 모든 학년에서 높았다. 둘째, S-PBL학습방법은 학습자들의 문제해결 능력, 그룹활동능력, 의사소통능력, 현장실무능력에 매우 유익한 학습방법임을 분석결과 모두 통계적으로 유의했다. 셋째, 부분통합 교과목 보다는 통합교과목으로 적용된 학생들의 학업성취도가 문제해결 능력을 제외한 모든 항목이 유의하게 높았으며, 교육환경과 운영방법에 대한 학습 만족도 역시 높았다. 결론 : 이상의 결과를 바탕으로 S-PBL학습방법은 통합교과목으로 운영되고, 매학기 학 년마다 적용한 학생일수록, 학업성취도와 학습만족도가 높다. 그러므로 작업치료학과에서 학생들의 통합능력과 문제해결능력, 실무능력들을 학교교육에서 갖추고자 한다면, 통합된 교과목으로 S-PBL학습방법을 매 학기와 학년마다 확대 적용할 필요성이있음을 시사해주었다.

This study was investigated to determine the contents of sulfur dioxide residues in medicinal herbs in Seoul Yang Nyoung Shi in 2010 (1,522 samples of 189 kinds). Samples were measured by modified Monier-Williams method. Of the total samples, 618 samples (84 kinds) were domestic, and 904 samples (158 kinds) were imported. The content of sulfur dioxide in the domestics showed the range of 0.0 to 1,298.0 mg/kg (average 12.7 mg/kg), while those in imported samples were the range of 0.0 to 3,982.2 mg/kg (average 42.4 mg/kg). The average (mg/kg) amount of sulfur dioxide by parts in medicinal herbs was as follows; Tuber 122.3, Radix 69.3, Rhizoma 37.4, Cortex 33.3, Fructus 8.8, Ramulus 4.9, Semen 4.6, Folium 3.4, Flos 2.7, Perithecium 1.4. Of the total samples (1,522), 52 samples (3.4%) were violated the KFDA regulatory guidance of sulfur dioxide. Among these 52 unsuitable samples, 16samples (7 kinds) were domestic, and 36 samples (23 kinds) were imported. Approximately 88.1% of the total samples was less than 10 mg/kg of sulfur dioxide and 6.3% of the total samples showed more than 30 mg/kg of sulfur dioxide.

The study was conducted to estimate the contents of heavy metal in commercial herbal medicines (1047 samples of 132 species) which were collected from markets in Seoul and to analyze the contents of heavy metals of herbal medicines by classifying them by parts. The samples were digested using microwave method. The contents of heavy metal (Pb, Cd, and As) and Hg were determined using Inductively coupled plasma-Mass spectrometer (ICP/MS). And the contents of Hg were obtained by Mercury analyzer. The average values of heavy metal in herbal medicines were as follows [mean (minimum-maximum), mg/kg]; Pb 0.870 (ND-69.200), As 0.148 (ND-2.965), Cd 0.092(ND-2.010), and Hg 0.007 (ND-0.137). And the average values of heavy metal by parts in herbal medicines were as follows [mean (minimum-maximum), mg/kg]; Ramulus 2.046 (0.065-4.474), Herba 1.886 (0.048-10.404), Flos 1.874(0.052-5.393), Cortex 1.377 (0.011-4.837), Radix 1.165 (0.012-70.111), Rhizoma 1.116 (0.016-5.490, Fructus 0.838(0.017-4.527), Perithecium 0.729 (0.013-4.953), Semen 0.646 (0.006-4.416). The average values of heavy metal of imported herbal medicines except Radix were higher than domestic ones. By decoction of herbal medicines exceeding the tolerances, average intake rates of Pb, As, Cd and Hg were obtained as 6.1%, 40.3%, 4.7%, and 2.2%, respectively.

게임은 현대 사회에 있어 주요한 미디어이자 놀이문화의 하나이다. 또한 컴퓨터 기술의 발전으로 인해 시각적 화려함과 청각적 정교함은 컴퓨터 기술의 발전에 힘입어 지속적으로 진화하고 있다. 그러나 이러한 시각적, 청각 적인 자극 특성은 게임 사용자에게 있어서 스트레스를 감소하는 자극이 아니라, 스트레스를 증가시키는 원인이 될 수 있다. 그러므로, 컴퓨터 게임에서도 스트레스가 감소하는 것이 아닌 스트레스가 증가할 가능성이 있다. 본 연구 에서는 이러한 관점에서 게임의 주요한 피드백인 시각을 제외한 청각적 자극인 효과음을 제거하여 게임 사용자의 스트레스에 어떠한 영향을 미치는지를 알아보았다. 연구 결과 효과음의 유무가 게임 사용자의 스트레스 경험을 변화시키는 것으로 나타났다.

The purpose of this study were to examine the effect of consumer-brand relationship of fashion luxury product on brand loyalty and the mediating effect of consumer satisfaction. The questionnaire developed through the literature search and a survey was conducted both in on-line and off-line questionnaire simultaneously. Finally 227 data from women who had a buying experience of fashion luxury products were analyzed using frequency, factor analysis, ANOVA, t-test, regression analysis by SPSS for WIN program. The results were as follows. First, the consumers' brand identification was composed of three factors; self-connection, interdependence, attachment. Second, the consumer- brand relationship significantly influenced on the brand loyalty. Third, the consumer-brand relationship significantly influenced on the consumer satisfaction. Fourth, the consumer satisfaction significantly influenced on the brand loyalty. Fifth, the consumer-brand relationship had both direct and indirect effects on brand loyalty mediated by consumer satisfaction. The results indicated that causal relationship was existed among these three variables.

We have successfully developed the KASI (Korea Astronomy and Space Science Institute) Solar Imaging Spectrograph (KSIS), which has been originally upgraded from the KASI solar spectrograph that was able to record solar spectra for a given slit region and to inspect the response function of narrow band filters. A prototype KSIS was developed in 2004 by using a scanning mirror in front of the spectrograph slit and a SBIG ST-8XE CCD camera. Its main disadvantage is that it took a long time (about 13 minutes) to scan a whole active region. In this work, we have upgraded the KSIS by installing a much faster Dalsa 1M15 CCD camera, which gives a data acquisition time of about 2.5 minutes. The software for KSIS was also improved for the new CCD camera on the basis of component-based development method. We have successfully made a test observation for a simple and small active region (AR10910) using the improved KSIS system. Our observations show that H-alpha images for several wavelengths have typical features in a sunspot as well as a H-alpha centerline image is quite similar to a BBSO H-alpha image, demonstrating the capability of the KSIS system.

In 2002, a new solar spectroscopic system with the Coelostat type has been installed at Korea Astronomical Observatory. It was designed to observe solar spectra in the range from 3000 to 8000 Å with the spectral resolution of 1 Å/mm. The system is composed of a 40cm diameter Coelostat with 9m focal length, spectroscopic system with 600groove/mm grating, and a IK × IK CCD detector. By developing observational softwares for this system, we have successfully observed solar Ha spectra. In this paper, we development of telescope control and observational softwares.