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교류 누설전류 및 가변과부하 전류 차단기의 게이트 제어 회로에 관한 연구
崔甲石,房萬源 명지대학교 1978 明大論文集 Vol.11 No.-
본 논문은 교류 누설전류 차단 기능과 가변과부하전류 차단기능을 갖는 게이트 제어회로를 고찰하였다. 교류100〔V〕에서 500〔μA〕의 누설전류가 발생하는 경우와 설정전류의 1.2배에서 과전류 발생시 교류반도체 차단기를 동작시키는 우수한 특성을 가진 게이트 제어 회로를 설계하였으며 실험결과 누설전류가 500〔μA〕이하에서도 차단이 가능한 것으로 나타났다. This paper describes the gate control circuit of AC leakage current and variable overload current breaker. There is a discussion on the gate control circuit design of AC semiconductor circuit breaker, when AC 100(V) 500(μA) leakage current and 1.2 setpoint current generation for make cutoff circuit. Experimental results less than 500(μA) leakage current possible cutoff of circuit.
Bang, Man Seok,Kang, Keunsoo,Lee, Jung-ju,Lee, Yea-Jin,Choi, Jin Eun,Ban, Ju Yeon,Oh, Chung-Hun 한국유전학회 2017 Genes & Genomics Vol.39 No.3
<P>Lung cancer can be classified into two different types, non-small cell lung cancer (NSCLC) and small cell lung cancer. Up to 85% of lung cancer cases are NSCLC. To identify prognostic marker genes for NSCLC, we conducted 10 pairs of genetically matched transcriptome (NSCLC and adjacent normal tissues obtained from 10 patients) analysis using next-generation sequencing. Pathway analysis revealed that the genes associated with the cell cycle are highly upregulated in NSCLC. Integrative analysis of two independent NSCLC studies, 71 pairs (GSE40419) and 58 pairs (TCGA-LUAD), also confirmed that cell cycle-related genes are mostly upregulated in NSCLC. All three independent NSCLC transcriptomes concordantly identified 10 potential tumor-marker genes that are highly expressed as well as significantly altered in NSCLC. A quantitative real-time polymerase chain reaction experiment validated the altered expressions of the genes. Among them, downregulation of MFAP4 and AGER and upregulation of SPP1 genes in NSCLC compared to normal tissues were significantly associated with poor prognosis as evaluated by Kaplan-Meier survival and receiver operating characteristic analyses. A further analysis indicated that the expression ratio of MFAP4 and SPP1 or AGER and SPP1 can be used as potential prognostic marker genes for NSCLC.</P>
김만식,한재석,심순보,연규방,심규철 충북대학교 건설기술연구소 1989 建設技術論文集 Vol.8 No.1
The purpose of this paper is to study the applications and considerations of the water balance simulation models in succession to $quot;A Study of Water Balance Simulation in River Basins(I).$quot; For the verifications and applications of the developed water balance simulation models and computer programs, the Seomjin River Basin is selected. The field measured and statistical analysed data are accomplished for the effective operations of the developed computer programs, and the water balance analyses for the effective water resources management of river basins is studied. The results of this study would be utilized to more effective operations of the limited water resources in Korean river basins.
김방순 ( Bang Soon Kim ),박상만 ( Sang Man Park ),고우석 ( Woo Seok Koh ) 대한피부과학회 1996 대한피부과학회지 Vol.34 No.4
We report three cases of sarcoidosis with pulmonary involvement. The skin lesions showed three types of cutaneous manifestations which were erythema nodosum, pruritic maculopapular eruptions, and subcutaneous nodules respectively. Erythema nodosum in our cases accompanied by arthralgia and bilateral hilar adenopathy, so we call it Lofgrens syndrome. Histopathologic findings of the case with eythema nodosum revealed septal panniculitis and the others showed characteristic histopathologic findings of sarcoidosis so-called naked tubercle. Regressions of the skin lesions were obtained with systemic and/or topical corticosteroid therapy except for subcutaneous nodules. Subcutaneous nodules initially improved but new lesions have been found. (Kor J Dermatol 1996;34(4): 678-683)
Early clinical implications of microalbuminuria in patients with acute ischaemic stroke.
Cho, Bang-Hoon,Kim, Joon-Tae,Chang, Jane,Choi, Kang-Ho,Nam, Tai-Seung,Choi, Seong-Min,Lee, Seung-Han,Park, Man-Seok,Kim, Byeong-Chae,Kim, Myeong-Kyu,Cho, Ki-Hyun Blackwell Scientific Publ ; BMJ Publishing Group 2012 Postgraduate medical journal Vol.88 No.1045
<P>Microalbuminuria is thought to be independently associated with an increased risk of, and mortality from, stroke. However, no studies have shown whether microalbuminuria is associated with the early clinical outcomes of acute ischaemic stroke. Therefore we investigated whether this. We also looked at radiological outcomes in stroke patients with microalbuminuria.</P>
Eom, Bang Wool,Yoon, Hong Man,Min, Jae Seok,Cho, In,Park, Ji-Ho,Jung, Mi Ran,Hur, Hoon,Kim, Young-Woo,Park, Young Kyu,Nam, Byung-Ho,Ryu, Keun Won,Sentinel Node Oriented Tailored Approach (SENORITA) St The Korean Gastric Cancer Association 2019 Journal of gastric cancer Vol.19 No.2
Purpose: Although standard radical gastrectomy is recommended after noncurative resection of endoscopic submucosal dissection (ESD) for early gastric cancer in most cases, residual tumor and lymph node metastasis have not been identified after surgery. The aim of this study is to evaluate the feasibility of sentinel node navigation surgery after noncurative ESD. Materials and Methods: This trial is an investigator-initiated, multicenter prospective phase II trial. Patients who underwent ESD for clinical stage T1N0M0 gastric cancer with noncurative resections were eligible. Qualified investigators who completed the prior phase III trial (SENORITA 1) are exclusively allowed to participate. In this study, 2 detection methods will be used: 1) intraoperative endoscopic submucosal injection of dual tracer, including radioisotope and indocyanine green (ICG) with sentinel basins detected using gamma-probe; 2) endoscopic injection of ICG, with sentinel basins detected using a fluorescence imaging system. Standard laparoscopic gastrectomy with lymphadenectomy will be performed. Sample size is calculated based on the inferior confidence interval of the detection rate of 95%, and the calculated accrual is 237 patients. The primary endpoint is detection rate, and the secondary endpoints are sensitivity and postoperative complications. Conclusions: This study is expected to clarify the feasibility of laparoscopic sentinel basin dissection after noncurative ESD. If the feasibility is demonstrated, a multicenter phase III trial will be initiated to compare laparoscopic sentinel node navigation surgery versus laparoscopic standard gastrectomy in early gastric cancer after endoscopic resection.
김만식,한재석,심순보,연규방,심규철 충북대학교 건설기술연구소 1989 建設技術論文集 Vol.7 No.2
In this paper, the water balance simulation models of river basin based on the Node-Reach concepts and the computer systems were developed. The water balance simulation models of river basin were composed of the models for river basin runoff at the rainfall period and non-rainfall period, river channel flows, and demand water computations in future. In addition, for the more effective operation of the developed simulation models, the computer systems including the computational algorithms and all sorts of programs, which were the systems for main and sub simulation models. D.B. systems, Code designs, I/O designs, various file designs etc., were developed.