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대한간학회지 제2차 춘계학술대회 초록집 : 식도정맥류 출혈시 내시경적 경화요법과 고무밴드 결찰요법의 치료 효과
김영탁 ( Kim Yeong Tag ),금민수 ( Geum Min Su ),이양일 ( Lee Yang Il ),최성곤 ( Choe Seong Gon ),이창형 ( Lee Chang Hyeong ),권영오 ( Kwon Yeong O ),김성국 ( Kim Seong Gug ),최용환 ( Choe Yong Hwan ),정준모 ( Jeong Jun Mo ) 대한간학회 1996 Clinical and Molecular Hepatology(대한간학회지) Vol.2 No.2(S)
소변 및 대변 검체를 통한 헬리코박터 파이로리 감염의 진단
이영학 ( Lee Yeong Hag ),이승엽 ( Lee Seung Yeob ),김영탁 ( Kim Yeong Tag ),박창근 ( Park Chang Geun ),조창민 ( Jo Chang Min ),탁원영 ( Tag Won Yeong ),권영오 ( Kwon Yeong O ),김성국 ( Kim Seong Gug ),최용환 ( Choe Yong Hwan ) 대한소화기학회 2003 대한소화기학회지 Vol.42 No.2
Background/Aims: The urine antibody and stool antigen test are newly developed non-invasive tests for Helicobacter pylori (H. pylori) infection. The aim of this study was to assess the diagnostic value of these tests. Methods: Urine and stool specimens from 50 consecutive patients who had undergone gastroscopy (28 men, mean age 54 years) were obtained. A kit for antibody against H. pylori (RAPIRUN test) was used for urine specimens and a kit for H. pylori antigen using ELISA (HpSA test) was used for stool specimens. None of patients had ever received any treatment to eradicate H. pylori. The H. pylori status was evaluated based on three different tests (histology, 13C-urea breath test, rapid urease test) and defined as positive when two of three tests were positive. Results: Of 50 patients, 31 patients were diagnosed as H. pylori positive and 15 patients were negative. The RAPIRUN test was positive in 24 of 31 patients (sensitivity 77.4%) and negative in 13 of 15 patients (specificity 86.7%). The HpSA test was positive in 25 of 31 patients (sensitivity 80.1%) and negative in 14 of 15 patients (specificity 93.3%). Conclusions: The accuracies of H. pylori urine antibody and stool antigen test are similar to those of Western studies. These two tests are found to be useful methods for diagnosis of H. pylori infection in Korea. (Korean J Gastroenterol 2003;42:115-120)
설계 단계에서 적용 가능한 창호별 결로방지 성능 평가 방법에 관한 연구
유지용(Yu, Ji-Yong),이규남(Rhee, Kyu-Nam),김영탁(Kim, Young-Tag),임아람(Lim, Ah-Ram),송진희(Song, Jin-Hee),송승영(Song, Seung-Yeong) 한국태양에너지학회 2013 한국태양에너지학회 학술대회논문집 Vol.2013 No.4
The objective of this study is to derive the condensation preventing performance (temperature Difference Ratio) by part of the window, which can be evaluated at design stage by means of computer simulation. There are two evaluation methods that is available at design stage: One is the method that estimates the temperature difference ratio(hereinafter TDR) with regard to the overall window (hereinafter method 1), the other is the method that calculates the TDR at each part of the window by using computer simulation (hereinafter method 2). As for method 1, the estimation is relatively simple, however, it is difficult to evaluate the performance at thermal bridge, which has high risk of condensation. As for method 2, the calculation is somewhat complicated, however, it is possible to evaluate the performance at thermal bridge. The evaluation result of typical windows shows that the performance estimated by method 1 is 23∼48% higher than method 2. As the result can underestimate the possibility of condensation at the heat bridge, it is needed to evaluate the performance at every point of the window, as suggested in method 2. However, method 2 has a restriction that the simulation should be conducted for every design. Thus it is required to establish a database that provides the TDR by part of the common windows, much like U-value.
목업 테스트를 통한 창호 종류별 창호 결로방지 성능 평가방법
유지용(Yu, Ji-Yong),이규남(Rhee, Kyu-Nam),김영탁(Kim, Young-Tag),임아람(Lim, Ah-Ram),송진희(Song, Jin-Hee),송승영(Song, Seung-Yeong) 한국태양에너지학회 2012 한국태양에너지학회 학술대회논문집 Vol.2012 No.11
In this study, we validated and analyzed the performance evaluation methods of the condensation prevention on the window through mock-up tests. NFRC 500-2010 compares the condensation prevention performance of various windows by using condensation resistance value at specific indoor temperature(21℃) and humidity(30%/50%/70%). AAMA 1503-09 is advantageous to the evaluation of condensation prevention performance for the overall window, while KS F 2295 is advantageous to the evaluation considering the local parts of the window. The results show that high-performance glazing type is Low-e (Argon filled), followed by Low-e (Air filled) and conventional double glazing. Based on the results of this study, we will establish the evaluation method which is appropriate to the domestic circumstances and users" performance requirements.