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황종관,윤명균,강대민 釜慶大學校 2002 釜慶大學校 論文集 Vol.7 No.-
This paper describes the energy absorption of a square tube in the cases of two models under axial compression by using PAM-CRASHTM. The first model is the model with various thickness under contant length, and the second model is the model with various length under constant thickness. To verify the energy absorption and the effects of dimensions, the standards were used as related density and specific energy and mean crushing load. The results were discussed by the relationship between crush load vs. deformation, related density vs. specific energy, crush load vs. mean crush load, and the relationship between mean crush load vs. specific energy.
강명균(Myeong-Gyun Kang),이정훈(Jung-Hoon Lee),이승훈(Seung-Hoon Lee),전준수(Jun-Soo Jeon),김인용(In-Yong Kim),신용덕(Yong-Deok Shin) 대한전기학회 2014 전기학회논문지 Vol.63 No.3
The accelerated thermal aging of a CSPE were carried out for 0, 80.82, 161.63 days at 100℃, which are equal to 0, 40 and 80 years, respectively. The volume electrical resistivities of the non-accelerated thermally aged CSPE and the accelerated thermally aged CSPE for 40y and 80y were 9.620×10<SUP>12</SUP>∼1.246×10<SUP>13</SUP>Ω?cm, 5.066×10<SUP>12</SUP>∼7.576×10<SUP>12</SUP>Ω?cm and 7.195×10<SUP>12</SUP>∼9.208×10<SUP>12</SUP>Ω?cm at room temperature, respectively. The dielectric constant of the non-accelerated thermally aged CSPE and the accelerated thermally aged CSPE for 40y and 80y were 3.355∼4.030, 2.996∼3.963 and 3.020 ∼4.776 at room temperature, respectively. After seawater and freshwater flooding, the volume electrical resistivity of the CSPE trend slightly upward according to drying day at room temperature. After seawater flooding, the dielectric constant of the accelerated thermally aged CSPE were not measured. After seawater flooding, bright open pores of the accelerated thermally aged CSPE were partly transferred to dark close pores due to salinity. After freshwater flooding, dark close pores of the accelerated thermally aged CSPE were partly transferred to bright open pores because salinity of them is decreased. An insulation property of a cable in NPPs was decreased because of the seawater flooding, and an insulation property of them was recovered through the freshwater flooding. As a result, it is considered that an insulation property of a contaminated cable through Tsunami can be recovered if it is cleaned quickly.
Yena Kang,Eun Jung Kim,Sang Gyune Kim,Young Seok Kim,Jae Myeong Lee,Boo Sung Kim 순천향대학교 순천향의학연구소 2016 Journal of Soonchunhyang Medical Science Vol.22 No.1
Intervention treatment such as balloon retrograde or anterograde transvenous obliteration has been used for management of refractory hepatic encephalopathy as well as gastric variceal bleeding. Recently, plug-assisted retrograde transvenous obliteration without a help of balloon was newly developed to treat these patients. Here, we report three cases suffering refractory hepatic encephalopathy who were treated with this new technique.
Yena Kang,Eun-Jung Kim,Young Seok Kim,Sang Gyune Kim,Jae Myeong Lee2,Boo Sung Kim 순천향대학교 순천향의학연구소 2015 Journal of Soonchunhyang Medical Science Vol.21 No.2
Transcatheter arterial chemoembolization (TACE) is suitable treatment method of hepatocellular carcinoma (HCC) for patients with decreased underlying liver function or unresectable disease. But this procedure can induce some embolic events. We report a case of a gallbladder infarction caused by the embolic event in TACE procedure. A 61-year-old man had been going to undergo 6th TACE for marginal recurrence of HCC. After the procedure, gallbladder infarction occurred and was detected by abdominal computed tomography (CT) scan for response evaluation of the treatment at out-patient-clinic. Then, he was treated with oral antibiotics and conservative therapy at out-patient clinic. In 6th week after the event, abdominal CT scan showed improved state of gallbladder.
분만시 저체중아의 제대혈에서 측정한 미성숙 망상적혈구 분율의 평가
강웅선 ( Kang Ung Seon ),조용균 ( Jo Yong Gyun ),고지경 ( Go Ji Gyeong ),김명환 ( Kim Myeong Hwan ),박기현 ( Park Gi Hyeon ),이철민 ( Lee Cheol Min ),한태희 ( Han Tae Hui ),최훈 ( Choe Hun ),김복린 ( Kim Bog Lin ),이홍균 ( Lee Ho 대한산부인과학회 2004 Obstetrics & Gynecology Science Vol.47 No.1
Objective : To evaluate the immature reticulocyte fraction (IRF) by automated calculator that have played a role of predicting marker for hematopoiesis induced by perinatal asphyxia. Methods : Hospital charts of 40 neonates with diagnosis of small for ges
강균희(Gyun-Hee Kang),하동명(Dong-Myeong Ha) 한국위험물학회 2017 한국위험물학회지 Vol.5 No.1
In order to reduce the accidents in chemical processes, working places and laboratories, it is important to understand the information of on the materials handled in work places. The flash point, fire point, explosion(flammable) limit and autoignition temperature(AIT) are crucial the combustible parameters which need special attention in chemical plants and processes that handle hazardous substances. For the safe handling of isobutylbenzene(IBB) being widely used the chemical industry, the flash point, the fire point and the AIT of isobutylbenzene was experimented. And, the lower explosion limit of isobutylbenzene was calculated by using the lower flash point which obtained in the experiment. The flash points of isobutylbenzene by using the Setaflash and Pensky-Martens closed-cup testers measured 45℃ and 48℃ , respectively. The flash points of isobutylbenzene by using the Tag and Cleveland open cup testers are measured 54℃ and 58℃ . Also, the fire points of isobutylbenzene by the Tag and Cleveland open cup testers are measured 61℃ and 60℃ . The AIT of isobutylbenzene by ASTM 659E tester was measured as 424℃ . The lower explosion limit by the measured lower flash point of isobutylbenzene 45℃ was calculated as 0.84 vol%. In this study, the prediction of explosion limit is possible by using the flash point measured.