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열적, 화학적 강화에 의해 잔류응력이 형성된 유약층을 가진 도자기의 기계적 물성
김동환,맹지헌,한윤수,김형태,최성철,김형준,Kim, Dong-Hwan,Maeng, Jee-Hun,Han, Yoon Soo,Kim, Hyung-Tae,Choi, Sung-Churl,Kim, Hyeong-Jun 한국세라믹학회 2014 한국세라믹학회지 Vol.51 No.5
In this study, we measured the thermally and chemically induced residual stresses on glaze using the photoelastic method. Porcelain with thermally induced residual stress showed compressive stress of 49 MPa for thermal expansion mismatch and a locally fluctuated stress field over the glaze layer due to compensation of compressive stresses around pores. In the case of chemically strengthened porcelain, the compressive stress on the glaze was 151 MPa which was around 3 times higher than the stress on thermally strengthened glaze. The trend of fracture strength of thermally and chemically strengthened porcelains was coincident with that of the residual stress of porcelains.
김동환,한지영,이경섭,Kim, Dong-Hwan,Han, Ji-Young,Lee, Kyung-Sub 대한한방체열의학회 2003 대한한방체열의학회지 Vol.2 No.1
Background and Purpose : Ceramic based infra-red Therapy has been effective on derma system. The purpose of this case was to know the effect of ceramic based infra-red therap therapy on atopic dematitis. Material and Methods Among initial 25 outpatients with atopic detmatitis who visited Kangnam KyungHee Oriental hospital from Mar. 2000 to Sep. 2002, we excluded 4 outpatients that quited treatment after 1st treatment. We treated ceramic based infra-red therapy, herb medication treatment and Acupuncture women patients. Ceramic based infra-red therapy using GI-2000 system was lighted to under for 30 minutes. SoPungSan(消風散) was one of the effective herb medication on atopic dermatitis in oriental. In acupuncture treatment. We activated Kokchi(LI11, 曲池), Choksamni(S36, 足三里) and inhibited Yanggye(LI5, 陽谿), Yanggok(SI5, 陽谷). Results and Conclusions Ceramic based infra-red therapy, herb medication treatment and acupuncture therapy showed usfull effect on atopic dermatitis.
김동환,김연민,한정환,박원식,Kim Dong Hwan,Kim Yun Min,Han Jung Hwan,Park Won Sik 대한방사선사협회 2001 대한방사선사협회지 Vol.27 No.2
For the cancer of the liver, surgery has been the best treatment, while patients who have the cancer of the liver in its early stages or metastatic liver cancer hardly be healed by surgery tend to be treated with PEIT (Percutaneous Ethanol Injection Thera
다발성 림푸종성 용종증의 임상상으로 나타난 mantle cell lymphoma 4예
김동환(Dong Hwan Kim),손상균(Sang Kyun Sohn),정진태(Jin Tae Jung),김기연(Ki Youn Kim),곽동석(Dong Seok Kwak),박태인(Tae In Park),박소향(So Hyang Park),배한익(Han Ik Bae),서장수(Jang Soo Suh),이규보(Kyu Bo Lee) 대한내과학회 2000 대한내과학회지 Vol.59 No.4
Multiple lymphomatous polyposis(MLP) is an interesting clinical entity of non-Hodgkin's lymphoma(NHL) and is defined as B-cell lymphoma characterized by the presence of multiple lymphomatous polyps along the gastrointestinal tract. Recently MLP has been considered as a variant form of mantle cell lymphoma(MCL). The median survival of patients with MCL is only 3 years, and none of the available conventional chemotherapy regimens appears curative. Encouraging results have been reported with high dose chemotherapy with autoSCT and alloSCT for its treatment. We introduce 4 cases of MLP diagnosed as MCL by morphologic and immunologic method. The common clinical findings of these cases were splenomegaly (4/4), multiple intraabdominal lymphadenopathy (4/4), and advanced stage (3/4) at presentation. The overall remission duration was relatively short (5-27 months) and three of four cases relapsed after conventional chemotherapy or autologous stem cell transplant. Our report suggests that MCL presented as MLP is a high risk subgroup of NHL and more aggressive approach may be needed for cure.(Korean J Med 59:413-422, 2000)