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주홍진,이호,신우철,곽희영 대한건축학회지회연합회 2007 대한건축학회지회연합회 학술발표대회논문집 Vol.2007 No.1
This paper presents demonstration study results derived through field testing of a part load solar energized cooling system for the library of a cultural center building located in Gwangju, Korea. The area of demanded cooling for building was about 350m2. Solar hot water was delivered by means of a 200m2 array of evacuated tubular solar collector (ETSC) to drive a single-effect (LiBr/H2O) absorption chiller of 35kW nominal cooling capacity. During the demonstration tests, operating conditions of the solar cooling system are established through modifications of the various control parameters. Operation data for 10stable hours at a clear sky day during the summer season are achieved and analyzed for the verification of the availability, stability, and reliability of the present system.
양현옥(Yang, Hyun-Ok),곽희영(Kwak, Hee-Young) 한국산학기술학회 2009 한국산학기술학회논문지 Vol.10 No.6
피부미용사들의 전문직업성에 대한 인식을 밝혀보고자 2009년 4월 1일부터 4월 20일까지 전라북도 군산시와 전주시의 피부미용사 290명을 대상으로 설문조사한 결과는 다음과 같다. 첫째, 변인별 전문직업성은 연령, 학력, 현 근무지 근무 연수에 따른 전문직업성은 통계적으로는 유의미한 차이를 보이지 않았지만, 삶의 만족도, 직무만족도별 전문직업성은 통계적으로 유의미한 차이를 보였다. 삶의 만족도에 따른 전문직업성은 삶에 대해 만족하는 피부미용사가 그렇지 않은 피부미용사보다 높았고(t =2.77, p<.01), 직무만족도에 따른 전문직업성은 직무에 대해 만족하는 피부미용사가 가장 긍정적이었고, 보통인 피부미용사가 불만족하는 피부미용사보다 높지 않았다(F= 6.06, p<.01). 둘째, 전문 직업성의 하위요인간의 상관관계 분석 결과, 자율성 (r=.595, p<.001), 전문조직의 활용(r=.428, p<.001), 직업에 대한 소명의식(r=.492, p<.001)과는 통계적으로 유의미한 정적 상관관계를 보였으며, 서비스에 대한 신념 (r=-.634, p<.001), 자기규제에 대한 신념 (r=-.485, p<.001)과는 통계적으로 유의미한 부적 상관관계를 보였다. The purpose of this study was to examine the professionalism of estheticians in gusan and jeonju city, jeollabuckdo province. Total 290 questionnaires were collected. The period of research was from april 1 to 20, 2009. The findings of the study were as follows: First, when their professionalism was checked in light of the selected variables, their age, education and work years at current job made no statistically significant differences, but that was different according to life satisfaction and job satisfaction. By life satisfaction, the estheticians who found their lives satisfactory professionalism better than the others who didn't(t=2.77, p<.01) By job satisfaction, the estheticians who were contented with their job took the most positive professionalism, and those who found their job just not to be bad looked at it less positively than the others who were discontented(F=6.06, p<.01). Second, when the correlation of their professionalism of the sub-factors was investigated, there was a statistically significantly positive correlation among faith in autonomy(r=.595, p<.001), use of professional organization(r=.428, p<.001) and sense of mission(r=.492, p<.001). Their faith in services(r=-.634, p<.001) had a statistically significantly negative correlation to faith in self-control(r=-.485, p<.001).
이겨라,박종경,김성근,최승혜,윤상섭,이성,곽희영 대한내시경복강경외과학회 2012 Journal of Minimally Invasive Surgery Vol.15 No.1
Purpose: Perforation is a dreadful complication of peptic ulcer disease requiring immediate management. This study examined the feasibility of laparoscopic primary closure in perforated peptic ulcer disease to allow an earlier return to normal life. Methods: This study reviewed our experience retrospectively with 72 consecutive patients treated with the simple closure of a perforated peptic ulcer disease in our hospital from December 2002 to January 2011. Thirty five patients were treated laparoscopically and the rest underwent open surgery. The operative time, nasogastric tube utilization, abdominal drain usage, time to oral feeding, hospital stay, postoperative complications and recurrence in both groups were compared. A student’s t-test was used to make the comparisons. A p value<0.05 was considered significant. Results: The operative time, use of nasogastric tubes, and abdominal drainage were similar in both groups. After laparoscopic surgery, the patients showed an earlier return to normal oral feeding and discharge than the open surgery group (4.17±0.62 vs. 5.03±2.34 days, p=0.040, 8.63±1.96 vs. 10.24±3.59 days, p=0.021, respectively). The decreased handling of tissue in laparoscopic surgery led to less wound infection (0 in laparoscopic surgery vs. 3 in open) and postoperative ileus (0 vs. 2). Conclusion: Laparoscopic repair of a perforated peptic ulcer is a safe and feasible treatment that offers early oral feeding and a shorter postoperative hospital stay.