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한문섭(M. S. Han),창상훈(S. H. Chang),신명철(M. C. Shin) 대한전기학회 2013 전기학회논문지 Vol.62 No.3
A neutral section is installed around feeding substation(SS) and sectioning post(SP) that M?phase and Tphase are isolated in AC feeding system. Electric Train under “Notch?OFF” is operated by inertia within the neutral section. It causes disturbing the operation of electric trains for speed drop and driver’s mistakes. A automatic changeover system with thyristor recently have taken under development. In the paper, it is introduced the configuration of train detection system and performance testing on automatic changeover system..
신명철(M.C. Shin),김세원(S.W. Kim),신희동(H.D. Shin),이창엽(C.Y. Lee) 대한기계학회 2010 대한기계학회 춘추학술대회 Vol.2010 No.11
Reburning is one of the most useful and economical technologies to reduce nitric oxide in combustion system. The reburning process was demonstrated as an effective NOx reduction method through injection of a secondary hydrocarbon fuel. An experimental study has been conducted to evaluate the effect of biomass reburning on NOx reduction and CO formation in a liquid fuel flame in combustion furnace. Experiments on NOx reduction of air-carried rice husk powder as the reburn fuel were performed in flames stabilized by a co-flow swirl and fuel staged burner and It was observed that NOx concentrations have considerably decreased by applying biomass reburning.
자궁근종시 LHRH agonist (D-Trp6-LHRH) 치료에 따른 근종세포내 미세구조의 변화
박기현,신명철,이보연,이병석,송찬호,Park, K.H.,Shin, M.C.,Lee, B.Y.,Lee, B.S.,Song, C.H. 대한생식의학회 1991 Clinical and Experimental Reproductive Medicine Vol.18 No.2
Long-term administration of luteinizing hormone-releasing hormone(LHRH) agonists, through a process of pituitary desensitization and down-regulation of receptors, inhibits the secretion of gonadotropin and sex-steroids and induces a reversible suppression of gonadal activity. This approach can be used as an effective endocrine therapy for some hormone-dependent tumors. We have used D-Trp6-LHRH, a long acting LHRH agonist, for the treatment of eleven patients with uterine leiomyomas, thereafter myomectomy was performed in seven cases and observed the ultrastructural changes of leiomyoma with an electron microscope. The use of LHRH agonist may be effective in reducing the size of a myoma considerably by primarily inducing medical hypophysectomy and would allow easier surgical removal. Electron microscopic findings of myoma cells after the use of LHRH agonist included the following: loss of cristae and swelling nuclear chromatin, perinuclear vacuolation in cytoplasm. Bone mineral density was slightly decreased, however, the difference was not statistically significant.
골반경 자궁경상부적출술에있어서 Non - coring 술식의 유용성
김종욱(J . W . Kim),신명철(M . C . Shin),박원식(W . S . Park),조진호(J . H . Cho),이정노(C . N . Lee) 대한산부인과학회 1998 Obstetrics & Gynecology Science Vol.41 No.11
N/A We suggest the benefits of cervical non-coring technique among the many methods of hysterectomy for benign gynecologic diseases, rather than coring in laparoscopic supracervical hysterectomy (LSH). From Oct. 1992 to Jun. 1996, 300 cases of LSH with coring method and from Mar. 1995 to Jan. 1998, 103 cases with non-coring method have been done in CHA General Hospital, Seoul, Korea and Pundang CHA General Hospital, Seongnam, Korea, and we made a comparative study of two groups. The modified SEMM method of classical intrafascial supracervical hysterectomy (CISH) was used in coring group, and the only LSH was used in non-coring gmup. The pelvic adhesiolysis and salphingo-oophorectomy were done in both groups, if needed, The mean operation time was 104 minutes in non-coring group and 156 minutes in coring poup. The mean hemoglobin loss was 0.92 g/dL in non-coring group and 1.17 g/dL in coring group. During the postoperative follow up period (2-35 months), there was no specific bleeding and no menstruation in non-coring group. In addition, there was no case of abnormal cervical findings. However, very thin spotting or brownish vaginal discharge, which is different from dysfunctional uterine bleeding (DUB), was found in only 15 cases among follow up 74 cases of non-coring group. Although the follow up period is short and non-coring cases are small, our study shows tbat the LSH without coring might be a better and easier alternative hysterectomy method in benign gynecologic diseases.