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Caudal middle hepatic vein trunk preserved right lobe graft in living donor liver transplantation
Kwangho Yang,Youngmok Park,Kimyung Moon,Jeho Ryu,Chongwoo Chu 대한외과학회 2014 Annals of Surgical Treatment and Research(ASRT) Vol.87 No.4
Purpose: Multiple segment 5 vein (V5) anastomoses are common and inevitable in living donor liver transplantation (LDLT) using modified right lobe (MRL) graft. Sacrifice of segment 4a vein (V4a) can simplify bench work and avoid graft congestion. But it could be harmful to some donors in previous simulation studies. This study aimed to evaluate donor safety in LDLT using caudal middle hepatic vein trunk preserved right lobe (CMPRL) graft. Methods: LDLT using MRL grafts were performed on 33 patients (group A) and LDLT using CMPRL grafts were performed on 37 patients (group B). Group B was classified into 2 subgroups by venous drainage pattern of segment 4: V4a dominant drainage group (group B1) and the other group (group B2). Parameters compared between group A donors and group B donors included operation time, bench work time, number and diameter of V5, remnant liver volume and postoperative course. Those were also investigated in group B1 compared with group B2. And, we reviewed postoperative course of the recipients in groups A and B. Results: Operation time and bench work time in group B were significantly shorter. There were no significant differences in most postoperative parameters between groups B1 and B2. As a result of recipient, V5 patency rates after LDLT were significantly higher in group B. Conclusion: LDLT using CMPRL graft is a safe procedure for living donors. Donors with any type of V4 could be proper candidates for CMPRL graft if remnant liver volume is greater than 30% with minimal fatty change.
梁光鎬(Kwangho Yang),朱玧魯(Munno Ju),明聖鎬(Sungho Myung),吉暻碩(Gyungsuk Kil),黃琪鉉(Gihyun Hwang),李東一(Dongil Lee) 대한전기학회 2006 전기학회논문지A Vol.55 No.4
HVAC transmission lines must be designed to satisfy environmental regulations. Therefore it is necessary to pre-evaluate environmental problems for transmission line designer using prediction program. In this study, environmental design software, TLCALC(Transmission Line CALCulation) for transmission lines was developed as a comprehensive window program. It has 6 modules that are audible noise, radio noise, television noise, magnetic field, electric field and conductor surface gradient. TLCALC solved a few problems in use of the existing foreign tools and took several advantages as follows; ① It is a common tool that solves calculating limitations of foreign formulas, ② It has wide application ranges and enhances accuracy of prediction. ③ It can be applied to almost transmission line configurations in Korea. ④ Experienced designers can get the results of calculation within about 15 minutes. Because the use of TLCALC is easy and practical, this program will be usefully applied to the environmental friendly design and construction of transmission lines. In the future, it is expected that public complaints and social environmental cost will be reduced by the use of TLCALC.
양기철,이광호 木浦大學校基礎科學硏究所 1998 基礎科學硏究誌 Vol.16 No.-
A document clustering method based on index term clusters has been introduced in this paper. Index terms are clustered manually and the clusters are organized as a type hierarchy. Number of index terms from each document are extracted and distributed according to the type hierarchy in order to cluster the documents.
Yang, HyunJung,Park, HaeIn,Lim, Chungsan,Park, SangKyun,Lee, KwangHo KOREAN PHARMACOPUNCTURE INSTITUTE 2014 Journal of pharmacopuncture Vol.17 No.4
Objectives: Digital infrared thermographic imaging (DITI) has been used widely for various inflammatory diseases, circulatory diseases, skin diseases, musculoskeletal diseases and cancers. In cases of ligament injury, obviously the temperature of the damaged area increases due to local inflammation; however, whether the temperature also increases due to DITI has not been determined. The purpose of the present study was to identify whether or not the changes of temperature in patient's with medial collateral ligament injury were really due to infrared thermography and to determine the applicability of DITI for assessing ligament injuries. Methods: Twenty patient's who underwent DITI for a medial collateral ligament injury from September 2012 to June 2014 were included in the current study. The thermographic images from the patient's knees were divided to cover seven sub-areas: the middle of the patella, and the inferomedial, the inferolateral, the superomedial, the superolateral, the medial, and the lateral regions of patella. The temperatures of the seven regions were measured, and the temperature differences between affected and unaffected regions were analyzed by using the Wilcoxon signed rank test. Results: The 20 patient's were composed of 14 women (70%) and 6 men (30%), with a mean age of $62.15{\pm}15.71$ (mean${\pm}$standard deviation (SD)) years. The temperature of the affected side, which included the middle of the patella, and the inferomedial, the superomedial, the superolateral, and the medial regions, showed a significant increase compared to that of the unaffected side (P < 0.05). The inferolateral and the lateral regions showed no significant changes. Conclusion: Our study results suggest that DITI can show temperature changes if a patient has a ligament injury and that it can be applied in the evaluation of a medial collateral ligament injury.
New Pyrimidine Derivatives possessing ALK Inhibitory Activities
Yang, Eun Hye,Yun, Jeong In,Latif, Muhammad,Lee, Hyeon Ji,Yun, Chang-Soo,Lee, Kwangho,Park, Chi Hoon,Cho, Sung Yun,Jung, Hee Jung,Kim, Pilho,Ha, Jae Du,Kim, Hyoung Rae Korean Chemical Society 2013 Bulletin of the Korean Chemical Society Vol.34 No.10
신광호(Kwangho Shin),최송(Song Choi),정호종(Hojong Jeong),이진우(Jinwoo Lee),양동근(Dong-keun Yang),정백영(Baikyoung Chung) 대한설비공학회 2016 대한설비공학회 학술발표대회논문집 Vol.2016 No.11
This study is describing a method for improving reliability and energy efficiency of GHP system. First of all, capacitance level sensor was evaluated for detecting oil level and in the oil separator. As the result of applying the oil level sensor in GHP system, it was confirmed that oil return operation was unnecessary. It provided a continuous heating operation under the sufficient presence of oil in oil separator. Therefore, GHP system applying the oil level sensor was able to reduce energy consumption as compared with the conventional system. Second of all, a control method for the refrigerant charge amount is performed using receiver. The energy efficiency was improved in the cooling and heating mode through changing refrigerant charge amount. The difference of refrigerant charge amount between optimal cooling and heating mode was about 27%, and it was controlled with relationship between high pressure and degree of subcooling.