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전용성(Yong-Sung Jun),안승혜(Seung-Hye Ahn),권정휘(Jeong-Hwi Kwon),박병권(Byong-Kwon Park) 대한기계학회 2012 대한기계학회 춘추학술대회 Vol.2012 No.11
This paper describes on the technology to improve construction quality and reliability by creating a new plastic pipe on the inside of the pipeline applying the trenchless for repairing construction. In this study, procedures of hardening process for repairing a pipeline system are the re-lining of the thermosetting resin impregnated nonwoven materials into the pipeline by fluid pressure, while insertion and inversion pipe lining to the internal curing, and thermosetting resin impregnated tube lining re-heated with hot water while the inner section of the aging pipeline. The main factors for the application of this repairing construction are pipe line diameter, plate thickness, impregnated thermosetting resin using unsaturated polyester, and the outer surface of the plastic using polyethylene or polyurethane. Through the improvement of lining material, impregnating method, and repairing construction technology, we can expect to improve the reliability of construction quality, shorten construction period and construction cost savings. Detailed the characteristics of this study are also analyzed and discussed.
파워블로그의 신뢰 요인이 제품 및 서비스 구매 의도에 미치는 영향
윤혜정(Haejung Yun),안승혜(Seung-Hye Ahn),이중정(Choong C. Lee) 한국콘텐츠학회 2012 한국콘텐츠학회논문지 Vol.12 No.2
본 연구에서는 파워블로그에 대한 신뢰에 영향을 미치는 요인을 알아보고, 형성된 신뢰가 파워블로그에서 소개하고 있는 제품이나 서비스의 구매의도에 미치는 영향을 분석하였다. 정보 품질과 온라인 신뢰에 대한 기존 이론을 바탕으로 연구모형을 설정하여, 파워블로그의 실제 사용자 122명을 대상으로 설문조사를 진행하였다. 연구 결과, 파워블로그에 대한 신뢰에 영향을 주는 콘텐츠 품질 요인으로는 최신성을 제외한 콘텐츠의 범위, 정확성, 유일성, 링크, 표기 수준이 채택되었고, 파워블로그의 지각된 평판도 신뢰에 유의미한 영향을 주는 것이 증명되었다. 또한 신뢰는 제품 및 서비스에 대한 우호적인 태도에 영향을 주며, 태도는 구매 의도에 유의한 영향을 미치는 것으로 밝혀졌다. This study is focusing on factors influencing trust in power blogs, and the effect of trust on users’ attitude and purchase intention. The research model is based on the theory of online trust formation process and content quality. The statistical analysis was conducted through the survey of 122 power blog users. Research findings show that scope, accuracy, uniqueness, links, quality of wring, and reputation of power blogs significantly affect trust. Also, trust was found to have a significant influence on the users’ attitude and purchasing intention on products/ services.
채식자와 비채식자에서 동맥경화성 심장질환 위험도 비교연구
홍상인(Sang In Hong),박흥진(Heung Jin Park),곽성진(Seong Jin Kwak),박순희(Soon Hee Park),유해진(Hae Jin Yu),원동준(Dong Jun Won),박정식(Jeong Shik Park),이중건(Choong Keun Lee),안승혜(Seung Hye Ahn),구종수(Jong Soo Koo) 대한내과학회 1996 대한내과학회지 Vol.51 No.1
N/A Objectives: Hyperlipidemia is well-known as one of the major risk factors of atherosclerotic heart disease. Previous reports indicate that reduction of meat and dairy product consumption has reduced development of coronary heart disease. This study was designed to assess prospectively the difference in blood level of various lipids and coronary artery disease risk between vegetarian and non-vegetarian in Korean adults. Methods :100 vegetarians and 82 non-vegetarians were recruited for lipid test including total cholesterol, triglyceride, HDL-cholesterol, Apo A-I and Apo B during annual routine physical examination. Coronary risk and relative risk were analyzed according to the Framingham study data base using computerized calculation with variables including cholesterol, age, sex, blood pressure, smoking history and diabetes. To evaluate the influence of diet to coronary disease risk, 42 vegetarians and 97 non-vegetarians without other coronary risk factors were analyzed same manner, Result: 1) Total cholesterol was significantly lower in vegetarian groups (group A: 161.4mg/d1±6.76, group C: 160.62mg/dl±28.8) compared to non-vegetarians groups(group B: 180.65mg/dl±5.13, group D: 189.05 mg/dl 37.8)(p<0.01). 2) Other lipid values did not show significant difference. 3) Coronary risk was significantly lower in vegetarian groups compared to non-vegetarians(group A : 1.48% vs. group B: 1.78%; group C: 2.0% vs. group D: 6%). 4) Relative risk was also significantly lower in vegetarian groups compared to non-vegetarian groups (group A: 0.75±0.31 vs. group B: 1.00±0.41; group C: 0.74±0.2 vs. group D: 1.09±0.44) Conclusion: This study shows vegetarian group has significantly lower total cholesterol level and reduced coronary heart disease risk compared to non-vegetarian group.
김기찬,김열홍,홍상인,박흥진,원동준,안승혜,정보윤 대한내과학회 1995 대한내과학회지 Vol.48 No.1
Chronic lymphocytic leukemia (CLL) of T cell origin (T-CLL) is extremely rare but one case has reported in Korea. We have experienced a case of T4-CLL, which was confirmed by immunophenotyping panel and monoclonal antibody of lymphocytes and we want to present the case with a review of the literature. A 86-year-old woman admitted to the department of internal medicine Seoul Adventist Hospital on September 9th, 1993 with febrile sensation end multiple itchy eruptions on face and both extremities. Homoglobin was 10.2g/dl, hematocrit 32.2%, reticulocyte count 2.7%, platelet 221,000/㎣ and white blood cell count was, 71,000/㎣ with 5% segments and 79% lymphocytes. Albumin was 3.5g/dl and total globulins were 8.2g/dl. Quantitative immunoglobulins were within normal limits. Bone marrow aspiration and biopsy was done. Myeloid series showed normal distribution, erythroid series revealed normoblastic erythropoiesis. Lymphocytes were increased in number (40%). Marrow cellularity was 50% and mature lymphocytes were increased in number by interstitial type. The results of surface marker studies of leukemic cells were SmIg: IgG 16%, SmIg: IgM 7%, SmIg: Lambda 17%, Smig: Kappa 10%, Monoclonal antibody tests of leukemic cells were T1: 96%, T3:93%, T4:98%, T11:99%, Ia:74%, 3A1:93% and J5, b1, B4 were negative.
혈소판 증다증과 고열을 보인 PCR 로 진단된 비전형적 만성 골수성 백혈병 1 예
김기찬,정성균,지현숙,김열홍,유승박,이재동,안승혜 대한내과학회 1994 대한내과학회지 Vol.47 No.1
Chronic myelocytic leukemia (CML) is the one of myelophroliferative disorders which is characterized by increased leukocyte counts, abnormal granulocytes with frequent thrombocytosis on periphreral blood study and the presence of Philadelphia chromosome on chromosamal study, Now bcr/abl gene translocation in CML is an well known phenomenon on molecular biologic study and occasionally it is positive even in Philadelphia chromosome negative CML. Sometimes CML presents atypical findings in blood cell counts and morphology. In this case, molecular biologic study is very helpful to differentiate CML with other disease showing similar hematologic changes. Recently we experienced one case of CML with tuberculus lymphadenitis representing unusual peripheral blood findings. This 29-year-old male patient had thrombocythemia, splenomegaly, low leukocyte alkaline phosphatase score and bcr/abl gene translocation which was confirmed by PCR technique.
재발성 정맥혈전증을 유발한 Antithrombin Ⅲ와 Protein C 복합 결핍증 1예
엄민섭,박연희,설재일,채수엽,유문빈,강기훈,이병수,채은하,박정식,정용환,안승혜,이효진 대한내과학회 2002 대한내과학회지 Vol.62 No.5
Primary venous thrombosis caused by deficiency or qualitative abnormality of antithrombin Ⅲ, protein C and protein S is usually inherited as an autosomal dominant trait. Usually, deep vein thrombosis or pulmonary thromboembolism is developed by such abnormalities, however, mesenteric vein thrombosis is rarely reported. A 27-year-old man with previous history of deep vein thrombosis underwent segmental resection of jejunum due to mesenteric vein thrombosis complicated by necrosis of jejunum. Postoperative investigation disclosed combined deficiency of antithrombin Ⅲ and protein C. His son also showed deficiency of antithrombin Ⅲ. Postoperatively, he is on life-long warfarin therapy without experiencing recurrence of venous thrombosis.