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규조토여과 및 활성탄흡착 공정을 이용한 용수처리에 관한 연구
신대윤,김지열,지성남,Shin Dae-Yewn,Kim Ji-Yeoul,Ji Sung-Nam 한국환경보건학회 2004 한국환경보건학회지 Vol.30 No.5
I performed the research about the drinking water treatment by precoat filtration and activated carbon adsorption process in the D water treatment plant at Gwangju. D water treatment plant inlet water is supplied from Juam lake in Jeollanamdo. The results are as follows; 1. Element disk used in this experiment are R(pore size $10{\mu}m$), B(pore size $20{\mu}m$). And diatomaceous earth are A(cake pore size $3.5{\mu}m$), B(cake pore size $7{\mu}m$) and C(cake pore size $17{\mu}m$) 2. Filtrate of precoat filter during 30 min are B-C 10.2 > BB 5.7 > R-A 5.4 ($m^3/m^2$). 3. The water quality through B-C+AC and R-A+AC are DOC 1.76 mg/1, 1.288 m/l respectively. 4. total THMs produced by chlorination are $84.2{\mu}g/l$(B-C+AC), $66.11{\mu}g/l$ (R-A+AC), $97{\mu}g/l$ (rapid sand filtration water) respectively. 5. The R-A+AC and B-C+AC process can be substitute of CWTS.
비심장성 흉통을 가진 환자에서 식도 Scintigraphy 의 의의
조정곤(Jung Kon Cho),구철(Cheol Koo),유종선(Jong Seon Rew),윤종만(Chong Mann Yoon),김지열(Ji Yeoul Kim) 대한내과학회 1989 대한내과학회지 Vol.37 No.5
N/A In order to evaluate the diagnostic value of esophageal scintigraphy in patients with sustained angina like chest pain of noncardiac origin, we performed esophageal scintigraphy in 25 normal subjects and 25 patients with chest pain of noncardiac origin. All the patients who complained of chest pain were studied with exercise ECG and/or coronary angiography to exclude the cardiac origin. Esophageal transit time (ETT) was significantly longer in the patient group (19.4±15.1 sec) than in the control group (7.2±3.9 sce). Cases of abnormal transit time and pattern were 11/25 (44%) in the patient group and 2/25 (8%) in the contn1 group, respectively. Cases of the markedly prolonged transit time more than 40 sec were 8 (32%) in the patient group, but there were none in the control group. Abnormal patterns of esophageal transit were divided into two groups: incoordinate movement (24%) and adynamic movement (20%) of radioisotope. These results suggest that esophageal scintigraphy could be used as a diagnostic modality in angina like chest pain of noncardiac origin.
최확도법을 (最確度法) 이용한 무증상 (無症狀) 정상간기능 (正常肝機能) HBsAg 양성자 간스캔의 감별진단 (鑑別診斷)
윤종만(Chong Mann Yoon),범희승(Hee Seung Bom),류종선(Jong Sun Rew),이성(Sung Lee),윤경환(Kyung Hwan Yoon),김지열(Ji Yeoul Kim) 대한소화기학회 1988 대한소화기학회지 Vol.20 No.2
N/A For the differential diagnosis of asymptomatic HBsAg carrier with normal liver function by the liver scan, authors applied the maximum likelihood method as follows: 1) Ninety-six cases who underwent both peritoneoscopic liver biopsy and liver scan were divided randomly into two groups. In one group scoring table was made and in the other group diagnostic accuracy of the data was evaluated. The diagnostic accuracy in general was 53.2% and those in normal, liver cirrhosis, nonspecific reactive hepatitis, and chronic active hepatitis were 85.7%, 75%, 62.5%, and 12.5%, respectively. 2) Twenty-eight liver scans of aymptomatic HBsAg carrier with normal liver function were revealed to be normal in 23 cases (82.2%) and liver cirrhosis in 5 cases (17.8%). In conclusion the maximum likelihood method was considered to be useful in the differential diagnosis of liver scans. And we recommend a careful evaluation of asymptomatic HBsAg carrier with normal liver function in view of the fact that 17.8% of them was diagnosed as liver cirrhosis in this study.