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연길환,조희제,임경택,윤석천 忠南大學校 産業技術硏究所 1994 산업기술연구논문집 Vol.9 No.2
This study aims to review the problems and status of accident and construction projects also to find out the ways of preventing the works from accident. It can let them understand the reasons for the accidents and the way of promoting the awareness of safety. For the study the literature and previous studies are reviewed and then the field managers and safety management members were interviewed intent of status of field safety management and accidents data occurred at domestic construction fields.
김희남,송승기,정윤중,윤여권,김희원,조상원,심재환 한국안전학회 2003 한국안전학회지 Vol.18 No.2
The magnetic polishing is the useful method to finish some machinery fabrications by using magnetic power. This method is one of the precision techniques and has an aim for clean technology in the transportation of the pure gas in the clean pipes. The magnetic abrasive polishing method is not so common in the field of machine that it is not known to widely. There are rarely researcher in this field because of non-effectiveness of magnetic abrasive. Therefore, in this paper we deals with the development of the magnetic abrasive with the use of Ba-Ferrite. In this development, abrasive grain WA has been made by using the resin bond fabricated at low temperature. And magnetic abrasive powder was fabricated from the Ba-Ferrite which was crushed into 200 mesh. The XRD analysis result shows that only WA abrasive and Ba-Ferrite crystal peaks were detected, explaining that resin bond was not any more to contribute chemical reaction. From SEM analysis, we found that WA abrasive and Ba-Ferrite were strongly bonding with each other.
자기연마를 이용한 STS304 파이프 내면의 초정밀 가공
김희남,윤여권,심재환 한국산업안전학회 2002 한국안전학회지 Vol.17 No.3
The magnetic abrasive polishing is the useful method to finish using magnetic power of a magnet. It's not a long time this method was introduced to korea as one of precision finishing techniques. The magnetic abrasive polishing method is not so common for machine that it is not spreaded widely. There are rarely researcher in this field because of non-effectiveness of magnetic abrasive. The mechanism of this R&D is dealing with the dynamic state of magnet-abrasive. This paper deals with mediocritizing magnetic polishing device into regular lathe and this experiment was conducted in order to get the best surface roughness at low cost. We need to continue the research on it. This paper contains the result of experiment to acquire the best surface roughness, not using the high-cost polishing material in processing. The average diameters of magnetic abrasive are the particles of 150㎛, 250㎛.
비만을 동반한 위암 환자에서 두 병을 같이 수술 치료한 경험(증례)
최경현,윤기영,문형환,신연명,서경원,안수미,송윤미,석정희,정경연,이은하 고신대학교의과대학 2008 고신대학교 의과대학 학술지 Vol.23 No.3
Obesity is growing problem in Korea. We had a case of bariatric surgery during gastric cancer operation. Patient was 29 year old Korean lady with early gastric cancer located in the lesser curvature side of the middle 1/3 of the stomach. Her body weight was 89 kg, height 163 cm, and thus body mass index was 33.5 kg/m2. Preoperative blood pressure was 130/90 mmHg, hemoglobin 12.9 g/dL, total lymphocyte count 3,280/mL, serum albumin 4.3 g/dL, CEA 1.1 ng/mL, CA 19-9 9.1 ng/mL, and alpha fetoprotein 2 ng/mL. Another associated disease was right thyroid follicular neoplasm. The chest X-ray was normal. After IM injection of 2,500 units of heparin 30 minutes before the induction of general anesthesia, she received curative subtotal gastrectomy and Roux en Y gastrojejunostomy when a malabsorption loop of 120 cm jejunum was incorporated between the Treitz ligament and the end to side jejuno-jejunostmy site at May 29th 2006. Her postoperative course was uneventful except a minor wound seroma and the elevations of serum amylase(up to 4 folds) and lipase(up to 2 folds). She lost her body weight 9 kg in 5th, 21 kg in 7th, and 27 kg in 10th postoperative months to became 61.5 kg. On follow up exams in July 2008, she gained 4 kg to overcome her weakness and fatigue. From the above result, the incorporation of a malabsorption loop during reconstruction phase of gastric cancer operation was a good option for obese gastric cancer patients especially in cases of early gastric cancer.
항암화학요법을 받는 암 환자에 대한 Nucare^R의 영양지지효과
조덕연,김현수,곽상혁,강정현,김철희,배광봉,김종숙,박상준,윤환중,김삼용 충남대학교 의과대학 지역사회의학연구소 1997 충남의대잡지 Vol.24 No.1
Purpose : The purpose of this study was to evaluate the effect of nutritional support with enteral liquid supplement in cancer patients receving chemotherapy for possible benefit in nutritional, immunologic and golbal function of patients. Patients and Methods : From October 1995 to February 1997, 30 advanced cancer patients receving chemotherapy were divided two roups. The Nycare group, in addition to normal diet, Nucare^R enteral supplement was given for 1week right after chemotherapy for the duration of 2 chemotherapy cycles. Control group received only normal diet without parenteral fluid supplement for 2 chemotherapy cycles. Results : Median ages were 53 end 56 years for Nucare group and Contrl group respectively. Performance scores was less than 2 by ECOG scale. All patients were stage Ⅲ or Ⅳ. The physical parameters, such as weight, arm muscle circumference(AMC) and triceps skin fold(TSF) were decreased in both groups after 2 cycles of anticancer therapy. but it was less severe in Nucare group(p<0.05). Serum transferrin was maintained in mild deficit state in Nucare group, whereas it aggravated form mild to moderate deficit in Control group(p<0.05). Serum albumin level increased in Nucare group without statistical significance. but it decreased from normal to mild deficit in Control group. Serum total protein did not change significantly in Nucare group. but in Control group, serum total protein was decreased from 7.24±0.9 to 6.52±0.5(P<0.05). Total lymphocyte count did not change significantly in both groups. Conclusion : This study shows that the nutritional support with Nucare^R was effective in the prevention of nutritional deficit status in patients receving a nticancer chemotherapy.
From Gnomon to Parallelogram: A Geometry of Interpretation in Dubliners
( Hee Whan Yun ) 한국제임스조이스학회 2013 제임스조이스저널 Vol.19 No.1
This paper tries to clarify the concept of gnomon and examine its possibility as an interpretative strategy in reading Dubliners. Gnomon is the part of a parallelogram which remains after a similar parallelogram has been taken away from one of its corners. Gnomon, therefore, is an incomplete parallelogram, a figure that would be whole were it not missing one of its corners. The gaps, ellipses, omissions, absences and silences in Joycean text frequently obstruct reader``s interpretation. Such a textual "uncertainty" can make readers feel frustrated in their deciphering process. A gnomonic reading is an effort to fill in those missing, unwritten parts of the text, trying to discover subtly programmed as well as deftly hidden keys and clues for interpretation. Such a reading, geometrically speaking, can be likened to making complete an incomplete parallelogram, that is, a gnomon. Gnomonic approach can be highly creative, bringing about new, radical, alternative interpretations. It requires on the reader``s part, however, to strike a balance between what is said and what is unsaid in the text. Otherwise a gnomonic reading can simply lead to idiosyncratic and irresponsible misreading. Understanding of gnomon as a narrative concept, as well as its applicability to reading, still remain controversial. But its practicality as a reading strategy is very challenging as well as promising because it could open up different textual interpretations hitherto unknown, as my gnomonic reading of Dubliners would hopefully show.