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조원철,허준행,서규우,이원환 연세대학교 산업기술연구소 1994 논문집 Vol.26 No.1
The water level and flow rate data measured at Indogyo measurement point which serves as one of the major measuring points of Han River have been very important in aspect of controlling the flow. Because these data are becoming more and more unreliable due to the recent change in the basin or the narrowing of the river width, these data will be standardized by comparing the recent data of Indogyo measuring point with the past those. To minimize the errors of water level-flow rate curve caused by the yearly changes of basin, the standard water level-flow rate curve with respect to the present basin conditions will be set, and calculated reduced water level will be compared with the past data. And through frequency analysis, frequency-based flood level with respect to return period will be presented. Finally, the total flow rate of the flood measured in September, 1990 at the point of Indogyo measuring point will be compared with the total flow of the past extreme floods.
Heo, Jun-Young,Jeon, Jae-Woo,Ok, Soo-Min,Jeong, Sung-Hee,Ahn, Yong-Woo Korean Academy of Orofacial Pain and Oral Medicine 2016 Journal of Oral Medicine and Pain Vol.41 No.1
Purpose: To investigate the efficacy of pregabalin for patients with primary burning mouth syndrome (BMS) who are unresponsive to topical clonazepam therapy. Methods: By searching the clinical electronic records from the Department of Oral Medicine, Pusan National University Dental Hospital from 2012 to 2014, a retrospective analysis was performed on patients with primary BMS who were treated with topical clonazepam therapy during this period. Of the patients who were unresponsive to this therapy, 19 patients who were subsequently treated with pregabalin were included in the study. A pain assessment was performed using the 11-point numerical rating scale at first visit, following topical clonazepam therapy, and again after pregabalin therapy. The treatment outcomes were statistically analyzed using the Wilcoxon signed rank test. Results: Following additional pregabalin administration, the mean pain score was slightly reduced. A total of 7 patients reported a marked response (>50% pain reduction), and 3 patients reported a slight reduction in pain. Pain reduction following pregabalin therapy was statistically significant (p<0.05). Conclusions: Pregabalin has a slight therapeutic effect on patients with primary BMS. Therefore, we recommend pregabalin as an alternative drug for BMS patients who are unresponsive to topical clonazepam therapy.
Dae Woo Son,Chan-Hee Kim,Ye Rang Heo,Jun Beom Lee,Ho Am Jang,Jong Wook Kim,Min Young Seong,Jae Hyun Cho,Jiyeun Kate Kim,Bok Luel Lee 한국응용곤충학회 2014 한국응용곤충학회 학술대회논문집 Vol.2014 No.04
The Riptortus (stinkbug) has a specialized symbiotic organ, M4 midgut, to harboring symbiont Burkholderia. M4 midgut is located in abdomen and surrounded with insect hemolymph. Recently our group demonstrated that symbiotic Burkholderia showed different physiology after adapting in M4 gut compare with in vitro cultured Burkholderia. And population of symbiotic Burkholderia in the M4 midgut is regulated by special organ. However, the molecular mechanism to prevent spreading and migrating symbiont bacteria to other host tissues from symbiotic organ is not clear. Therefore, we assumed that symbiont Burkholderia are susceptible to host humoral immunity after established infection in M4 midgut to prevent spreading and migrating into the other host tissues through Riptortus hemolymph. To prove this assuming, we tested the susceptibility and survival rate of symbiont Burkholderia in hemolymph of Riptortus in vitro and in vivo. We also examined the susceptibility of symbiont Burkholderia using purified antimicrobial peptides (AMP), pyrrhocoricin-like, thanatin-like and defensin-like AMPs. Finally, we tested inducing ability for AMPs by systemic infection of symbiotic Burkholderia. Gene expression of purified AMPs was not different after systemic infection of both symbiont and in vitro cultured Burkholderia. Surprisingly, in vitro cultured Burkholderia resisted on bacteria injected hemolymph and purified AMPs but symbiont Burkholderia were highly susceptible in bacteria injected hemolymph and purified AMP. These results suggest that symbiont Burkholderia can't survive in the hemolymph after escaping symbiotic organ. Moreover, humoral immunity of host Riptortus is important to prevent spreading and migrating symbiont Burkholderia into the other host tissue or organ from symbiotic organ.
AC-PDP 대향 방전 구조에서 셀 크기에 따른 전기 · 광학적 특성 연구
허준(Jun Heo),김동환(Dong-Hwan Kim),최용석(Yong-Suk Choi),김윤기(Yun-Gi Kim),옥정우(Jung-Woo OK),김동현(Dong-Hyun Kim),박정후(Chung-Hoo Park),이해준(Hea June Lee),이호준(Ho-Jun Lee) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.7
일반적으로 AC-PDP는 낮은 휘도와 효율이 문제점으로 지적받아 오고 있다. 본 연구에서는 효율 상승을 위하여 상하 대향 방전구조를 제안 하였다. 실험은 42인치 XGA와 50인치 FHD 의 셀 크기를 가지는 기존 면방전 구조와 제안된 상하 대향 방전 구조를 각각 4-inch test panel로 제작하여 전기-광학적 특성을 비교하였다. 여기에 동작 가스는 Ne(base)+ Xe(8 %)이고 가스 압력은 400 Torr을 사용하였다. 실험 결과, 42인치 XGA 셀 크기를 가지는 패널에서는 제안된 구조가 기존 구조보다 휘도와 효율이 낮았고, 50인치 FHD 셀 크기를 가지는 패널에서는 제안된 구조가 기존 구조보다 휘도와 효율이 높아지는 것을 확인 할 수 있었다.
Heo Min Hee,Kim Ji Yeon,Kim Jung Hyeon,Kim Kyung Woo,Lee Sang Il,Kim Kyung-Tae,Park Jang Su,Choe Won Joo,Kim Jun Hyun 대한마취통증의학회 2021 Korean Journal of Anesthesiology Vol.74 No.5
Background: Postoperative pain control after the minimally invasive repair of pectus excavatum (MIRPE) is essential, but there is a controversy about a better analgesic method between epidural and intravenous (IV) analgesia. This systematic review and meta-analysis aimed to compare the effect of epidural versus IV analgesia following MIRPE. Methods: We searched PubMed, MEDLINE, Embase, Cochrane Central Register, and ClinicalTrials.gov for randomized controlled trials (RCTs) dated up to 31st May 2021. The primary outcome was the area under the curve (AUC) of the weighted mean visual analog scale (VAS) after MIRPE. The secondary outcomes were postoperative nausea, operation time, total operating room time, and postoperative length of hospital stay. Results: Four RCTs involving 243 patients were finally included in this meta-analysis. The AUC of the weighted mean VAS was 343.62 in the epidural group and 375.24 in the IV group. The epidural group showed lower VAS than the IV group at 12 to 48 h after the surgery. Postoperative nausea, operation time and length of hospital stay was not different between two groups. The epidural group had a significantly longer total operating room time due to epidural catheter insertion time. Conclusions: Epidural analgesia after the MIRPE had a better analgesic effect than IV analgesia. However, IV analgesia may also be a viable option, and physicians should wisely choose analgesic modalities after MIRPE.