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시멘트 콘크리트 포장의 임계하중 재하 위치에 관한 연구
조성하,유지형,김수일 연세대학교 산업기술연구소 1986 논문집 Vol.18 No.2
In this study, the critical loading position of cement concrete pavement is evaluated using the finite element method. In the analysis the temperature gradient of the slab is considered and 18 Kips is replaced by DB 24 as a standard load. The Winkler model under a 5-slab system which is linked with 4 joints in one direction is selected as foundation. The rigid pavement is subjected to the interior and the edge loading of DB 24 located on the various positions and then the maximum major principal stresses corresponding to the loading positions are calculated. It is found that the most critical stress occurs when the 2 rear axles of DB 24 are located symmetrically with a joint in the center on the edge and is affected by temperature gradient. Also, comparing the results of DB 24 with those of single axle load, it can be inferred that there is little differences of major principal stress between them.
1980년대(1981-1990) 전·후반기 피부과 외래환자의 통계적 비교 관찰
은 철,강승구,권상진,정성재,조지형,권철욱,김영진,김재홍 한양대학교 의과대학 1997 한양의대 학술지 Vol.17 No.1
To study the prevalence of common dermatoses 37,638 and 30,286 new outpatients who visited dermatology clinic with Hanyang University Hospital from January 1981 to December 1985 and from January 1986 to December 1990, respectively. Among the 37,638 outpatients in the first 5 years, the total number of male patients were 18,107(48.1%) and female patients were 19,531 (51.9%). Among the 30286 outpatients in the last 5 years, the total number of male patients were 14,705 (48.6%) and female patients were 15,581 (51.4%). In the both periods, the most frequent age groups was 21-30 (27.3%,25.2% respectively). The 15 common dermatoses, bacterial infection, seborreic dermatitis, drug eruption, verruca, syphilis, psoriasis, herpes zoster, and hypopigmentary disorder, in order of frequency. In thelast 5years, dermatophytosis, contact dermatitis, urticaria, acne, other eczema, atopic dermatitis, seborrheic dermatitis, bacterial infection, drug eruption, verruca, gerpes zoster, psoriasis, hypopigmentary disorder, scabies and syphilis were the 15 common dermatoses, as frequency. In both periods, the dermatosis which showed annually increasing tendency was dermatophytosis and those of decreasing tendency was bacterial infection. In the both periods, dermatophytosis, urticaria, bacterial infection, seborrheic dermatitis, verruca, and hypopigmentary disorder occurred most frequently during the summer season, and the incidence of other ecxema, scabies, atopic dermatitis, and herpes zoster increased during the winter season.
피부 악성 종양에서의 mdm - 2 단백 표현에 관한 면역조직화학적 연구
조지형 ( Ji Hyeung Cho ),노영석 ( Young Suck Ro ) 대한피부과학회 1996 대한피부과학회지 Vol.34 No.4
Background: The human homologue of mouse double minute 2(mdm-2) gene codes for a cellular protein that forms a complex with the mutant and wild type p53 protein and modulates its trans-activation activity. Overexpression of the mdm-2 protein is associated with the tumorigenic potential of mdm-2 gene and overcomes the growth suppressive activity of p53. Objective & Methods : In order to investigate the pattern of the mdm-2 and p53 expression in malignant skin tumors, we performed an immunohistochemical analysis using NCL-MDM-2p polyclonal antibody and DO7 monoclonal antibody, respectively, in 10 squamous cell carcinomas (SCCs), 8 basal cell carcinomas(BCCs), 5 malignant melanomas(MMs), and 6 fibrosarcomas (FSs). Results : The expression of mdm-2 protein was detected in 40% of SCCs, 25% of BCCs, 40% of MMs and 33% of FSs, whereas 40% of SCCs, 25% of BCCs, 20% of MMs, and 17% of FSs showed p53 positivity. One case of SCCs and one case of BCCs showed immunoreactivity with both anti-mdm-2 and anti-p53 antibodies. Within the limitations of this small sample size, there was no relationship between the expression of mdm-2 and p53 protein, as overexpression of these two genes was not mutually exclusive. Conclusion : These findings suggest that interaction between the mdm-2 and p53 genes and products in these malignant tumors appears to be heterogenous and more complex than previously realized. Further studies on molecular basis are required to characterize the mechanism of mdm-2 overexpression and its relation to p53. (Kor J Dermatol 1996;34(4): 538-545)
Cho, Sang Hyun,Bahar-Moni, Ahmed Suparno,Whang, Jong Ick,Seo, Hyeung Gyo,Park, Hyun Sik,Kim, Ji Sup,Park, Hyun Chul The Korean Society for Microsurgery 2016 Archives of reconstructive microsurgery Vol.25 No.1
In cases of replantation, accurate closure of all structures, including bone, tendons, arteries, nerves, and veins is essential. Among these, the vein is a weaker structure and is damaged severely in most amputation cases. After fixation of bone, repair of tendons, nerves, and arteries, surgeons often experience difficulty in performing venous anastomoses. We found that in such cases, venous anastomosis is easy to perform using an additional incision after closure of the original wound. In a 33-year-old male patient with amputation of all four fingers at the metacarpophalangeal joint level, venous anastomoses were performed with dorsal veins using additional incisions after completion of the fixation of bones and repair of all other structures and closure of the skin due to surgical site tension.
조지형,이창우,노영석,김영태,김재홍 中央醫學社 1994 中央醫學 Vol.59 No.11
Fifty patients of acute urticaria who visited emergency room of Hanyang University hospital for treatment of acute urticaria were investigated for probable/suspected inducing factors individually. Among them, food(meats, fish, fruits, ect.) was regarded the most common inducing facotr(38 cases); other factors were drugs(common cold drugs, etc.; 7 cases). Insect bites(3 cases) and unknown(2 cases) in order of frequency. Bacterial/viral infection(s) was suspected in a few patients, however we could not find any convincing laboratory evidences for those suspected infections. Perhaps, "patients' recognition" on the precipitationg factors for the acute urticara can further be refined to define the causative agents and to prevent recurrences of the skin disease.
김지형(Ji-Hyeung Kim),조남규(Nam-Gue Cho),이규성(Gue-Sung Lee),주광식(Gwang-Sig Joo),이한정(Han-Jung Lee),황의화(Eui-Hwa Hwang),고종명(Jong-Myoung Go),김용희(Yong-hee Kim) 대한환경위생공학회 2007 대한환경위생공학회지 Vol.22 No.3
본 연구는 인천항으로 유입되는 휴대농산물의 안전성 확보를 위하여 휴대량 초과로 인천본부세관에 유치되는 농산물 등을 검사하였다. 수거 검체는 건고추절편 또는 고춧가루, 곡류, 종실류, 콩류, 견과류, 한약재원료, 참기름 등 총 293건을 대양으로, 품목별로 잔류농약, 곰팡이수, 타르색소, 수단색소 Ⅰ, Ⅱ, Ⅲ, Ⅳ, 아플라톡신, 납, 카드뮴, 수은, 비소, 잔류이산화황 분석을 실시하였다. 1. 건고추절편 또는 고춧가루는 잔류농약동시다성분분석, 곰팡이수, 타르색소, 수단색소 Ⅰ, Ⅱ, Ⅲ, Ⅳ 검사를 실시하였고 이중 곰팡이수와 타르색소에서 부적합이 있었다. 2. 종실류는 타르색소 검사에서 불검출이었고, 콩류와 견과류의 아플라톡신 검사결과도 불검출이었다. 3. 곡류는 납, 카드뮴, 수은의 중금속 검사와 흑미의 경우 타르색소 검사를 추가하였고, 쌀 2건, 찹쌀, 율무, 조에서 각 1건씩 납 기준을 초과하였다. 4. 한약재 원료는 납, 카드뮴, 수은, 비소, 잔류이산화황 검사에서 대추 2건과 건강 3건에서 잔류이산화황이 기준을 초과하였고, 건강 1건에서 카드뮴이 부접합하였다. 5. 추석 전에 대거 유입된 참기름의 규격검사 결과는 모두 적합한 것으로 나타냈다. 6. 총 293건의 휴대농산물 가운데 건고추절편 또는 고춧가루 78건, 곡류 5건, 한약재 5건 등 88건에서 규격기준을 초과하여 30% 부적합율을 나타내었다, 시험항목 중에서는 곰팡이수 부적합 76건, 타르색소 1건, 곰팡이수와 타르색소 동시부적합 1건, 납 5건, 잔류이산화황 4건, 잔류이산화황과 카드뮴 동시부적합 1건으로 나타냈다. 7. 중금속 측정결과는 곡류에서 Pb 0.000~0.740㎎/㎏(0.191±0.209), Cd 0.000~0.108㎎/㎏(0.007±0.020), Hg 0.000~4,201㎎/㎏(0.162±0.319)으로 나타났으며, 한약재원료에서는 Pb 0.000~ 2.480㎎/㎏(1.130±0.730), Cd 0.000~0.761㎎/㎏(0.044±0.122), Hg 0.000~0.157㎎/㎏(0.022±0.033), As 0.000~0.560㎎/㎏(0.040±0.082), 잔류이산화황은 2.0~1459.4ppm(303.1±324.2)으로 나타났다. This study was investigated hazardous substances in agricultural products of baggage by Incheon Port from chinese. We tested 293 kinds of dried red pepper, cereal, sesame, bean, nut, herbal medicine and sesame oil for pesticides residue, mold, tar color, sudan Ⅰ, Ⅱ, Ⅲ, Ⅳ, aflatoxin, Pb, Cd, Hg, As and sulfur dioxide residues. Violated samples over standard limits by Korean Food and Drug Administartion (KFDA) were 76 dried red pepper over the number of mold and 1 dried red pepper detected red 102 tar color and 1 dried red pepper over the number of mold and detected red 102 tar color simultaneously. And 2 rice, 1 sticky rice, 1 adlay and 1 millet were over lead. Violated herbal medicine were 2 Zizyphi Furctus and 2 Zingiberis Rhizoma over sulfur dioxide residue and 1 Zingiberis Rhizoma over sulfur dioxide residue and cadmium simultaneously. The contents of heavy metals in cereal were as follow; Pb 0.000~0.740㎎/㎏(0.19±0.209), Cd 0.000~0.761㎎/㎏(0.044±0.122), Hg 0.000~0.157㎎/㎏(0.022±0.033), As 0.000~0.560㎎/㎏(0.040±0.082). Contents of SO₂ ranged 2.0~1459.4ppm(303.1±324.2).