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이종숭,배종용,백운경 釜慶大學校 1999 釜慶大學校 論文集 Vol.4 No.1
In the spark ignitio engine, the number of the electronic control parts is increased so that the harmful exhaust gas can be reduced and the thermal efficiency of the engine can be enhanced. ECU can control the function of the engine better when the function signals of the engine are converted into the electrical signal under optimum condition. This study deals with the improvement of the signal measuring and processing for the electronic control in the SI engine. The measurement algorithm was developed within 1°accuracy of the crank angle, and as a result, the function of the engine can be more precisely controlled, such as the duration of the fuel injection and the timing of the spark ignition.
朴贊云,裵泰聖,朴鍾萬 全北大學校 1988 論文集 Vol.30 No.-
Since the introduction of ceramo-metal system in dentistry, many investigators have attempted to measure the bond strengths between the porcelains and the alloys. In this paper, 3-point and 4-point flexure test of Ni-Cr plate, being used in this experiment, and ceramometal system were analyzed for displacements and stress distributions using finite element method(F.E.M).
초등학교 운동경기 종목에 따른 학부모들의 인식도 조사 연구
김명배,백경운,유종상,엄태권 한국스포츠리서치 2004 한국 스포츠 리서치 Vol.15 No.6
The objective of the research which it sees when rearing the sons and daughters of recognition and oneself of the parents, against an elementary school motion department with the sports star examined the point which it considers a place objective which it provides with the fundamental data for an elementary school motion vice- activation, with to grope an efficient and system motion bringing up for discussion direction, compared to further there was in order to attain like this research objective the recognition of the parents against a motion vice- voice it analyzed. Data analysis of the research which it sees it led and with after words it got a same conclusion. Recognition of the parents against the school life of the sons and daughters whom It follows in athletic contest item analysis 1) Educational background improvement of the sons and daughters hazard It stands and whole it is one in the charge teacher and. 2) The studies accomplishing degree of the sons and daughters is recognizing generally with first lieutenant volume. 3) With educational background inactive cause of tha sons and daughters it is recognizing ineffort insufficiency of each person. Recognition of the parents against the motion vice- budget which it follows in athletic contest Item analysis 1) Against a motion vice- support the parents of group item are recognizing as positivity most. 2) If public finance the atomic reactor after substance whol is recognizing the school and education Chung. 3) Almost there is not a month membership fee which the parents charge.
( Jong Woon Bae ),( Jung Hun Lee ),( Jung Hwa Ko ),( Jin Hwa Hong ),( Joong Sub Choi ) 대한산부인과학회 2012 대한산부인과학회 학술대회 Vol.98 No.-
The purpose of this study was to evaluate the feasibility and efficacy of laparoscopic lymphadenectomy in patients with gynecologic malignancies and improve upon the existing published data regarding laparoscopic lymphadenectomy. We conducted a retrospective chart review of 225 patients with various gynecologic malignancies who had undergone laparoscopic pelvic lymphadenectomy (LPL) and/or laparoscopic para-aortic lymphadenectomy (LPAL) at Kangbuk Samsung Hospital between November 2003 and October 2010. One hundred and seventy-two patients underwent both LPL and LPAL, 47 patients underwent LPL alone, and six patients underwent a repeat laparoscopic lymphadenectomy. The median age and body mass index of the patients were 49.4 years (range 23-79 years) and 24.2 kg/m2 (range 17.5-37.2 kg/m2). The median numbers of harvested pelvic and para-aortic lymph nodes were 25.9 (range 3-63) and 10.6 (range 1-34), respectively. The median operating times for the LPL and LPAL were 72.3 min (range 40-120 min) and 40 min (range 20-70 min), respectively. There were seven cases of major vessel injuries, two lymphocytes, two lymphedemas, and two chylous ascites. There was no unplanned conversion to laparotomy. Laparoscopic lymphadenectomy can be considered a technically feasible and safe procedure and has become the alternative modality in the field of gynecologic oncology surgery. And our results could reinforce the existing published data regarding laparoscopic lymphadenectomy.
비파열성 난관 임신에서 Methotrexate 일회 투여요법의 임상적 효과
배종운(Jong Woon Bae),김승룡(Seung Ryong Kim),문영진(Young Jin Moon),박문일(Moon II Park),조삼현(Sam Hyun Cho),정성로(Sung Ro Chung),문형(Hyung Moon),황윤영(Youn Yeung Hwang) 대한산부인과학회 2000 Obstetrics & Gynecology Science Vol.43 No.4
Objectives: The early detection of ectopic tubal pregnancy in unruptured state is increased as the transvaginal sonography and sensitive serum hCG test are available. For this unruptured tubal pregnancy, the medical treatment using methotrexate via various routes and dosage is being tried. Our study was to evaluate the efficacy of single systemic injection of methotrexate in the treatment of unruptured tubal pregnancies. Material and Methods: From the January 1997 to July 1999, of 152 ectopic pregnancy patients, 22 patients who were diagnosed as unruptured tubal pregnancies were treated with single-dose systemic methotrexate injection (50 mg/m2/IM). Exclusion criteria were unstable vital signs with hemoperitoneum, adnexal mass > 5-6 cm. Serum hCG titers were checked before injection and 4, 7 day after injection. If serum hCG titer declined more than 15% on 7 day after injection compared with titer on 4 day, the weekly hCG titer was followed until it was <10 mIU/ml .If the hCG titer did not decline more than 15 %, a second dose was given. If hCG titer was not decreased or vital signs became unstable after 1-2 injections, the treatment was considered failure and surgery was done. Results: 18 cases (82%) of 22 were successfully treated with single-dose methotrexate. The mean size of ectopic mass and initial serum hCG titers were 2.7±1.3 cm (range, 1.5-5.4 cm) and 3,298±1,007 mIU/ml (range, 132-12,239), respectively. Of 22, 6 cases (28%) needed second dose of methotrexate. The mean time to resolution of serum β-hCG titer was 27.5±13.6 days (range, 8-53 days). Elevation of liver enzyme did not occurred in all cases during treatment. Initial hCG titer was more important prognostic factor than ectopic mass size for successful medical treatment. Conclusion : Single-dose methotrexate appears to be an effective medical treatment for the unruptured tubal pregnancy. However, patients selection using strict criteria is needed to increase its success rate.