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두개강내 출혈을 동반한 불응성 특발성 혈소판감소성 자반증의 CYCLOPHOSPHAMIDE 치험 1예
서정철,양태영,최연수,박유환,김완중,허경,정원영,정춘해 朝鮮大學校 附設 醫學硏究所 1993 The Medical Journal of Chosun University Vol.18 No.1
Idiopathic thrombocytopenic purpura(ITP) is an autoimmune bleeding disorder characterized by the development of antibodies to one's own platelets, which are then destroyed by phagocytosis in the spleen and liver. Its clinical manifestations are characterized by bleeding and the most serious complication is hemorrhage into the central nervous system, but which is rarely seen below 1%. In treating IPT, the therapy of first chice is administration of adrenocorticosteroid and r-globuline. If satisfactory results are not obtained, then splenectomy is recommended. If this also proves inadequate, then administration of immunosuppressants is carried out. 16-year-old male was admitted with complaints of left hemiplegia and nasal bleeding. This case may be developed spontaneous intracerebral hemorrhage causing thrombocytopenia and was treated by steroid, r-globuline and splenectomy, but satisfactory results are not obtained. After all, the paient was successfully treated with cyclophosphamide.
외식업 온라인 쿠폰 이용 사례 연구 : 휴면 고객 재방문을 중심으로
신서호,신서영,최규완,양일선 대한지역사회영양학회 2008 대한지역사회영양학회지 Vol.13 No.5
The purposes this study were to a) analyze the revisiting ratio of resting customers after issuing online coupons, b) compare the characteristics of coupon redemption customers with non-redemption customers. For this study, the customers of M restaurant who did not revisit during the last 8 months were classified as ‘resting customers’, totaling 4,052 customers. The online coupons, valid for 9 months, were sent via e-mail to those customers. After that, the data collected from those who redeemed the coupon in September 2006 was utilized. As a result of sending the coupon to 4,052 resting customers, 1,288 customers redeemed the coupon during the study period, showing relatively high redemption ratio (31.6%). The average check of customers with the online coupon was decreased by 22% compared with customers without the coupon, but the party size remained almost the same, 2.6 customers, and also the redemption ratio was increasing as the expiration date of the coupon was approaching. The redemption ratio of female (35.3%) was much higher than male (19.2%), representing higher redemption possibility of the female customers by issuing the coupon. The redemption ratio of the twenties (69.1%) was obviously higher than other age groups. Also, the non-redemption ratio of other groups except the twenties was higher than the redemption ratio. The redemption ratio of low-educated was higher, under college degree (58.6%), college degree (35.4%), and over college degree (16.6%). Following the result of the average visiting frequency of redemption customers during last the 8 months was 4.2, the frequency of non-redemption customers was 9.8. The total average visiting of non-redemption customer was 10.5, and that of redemption customers was 8.6. Customers who visited the restaurant less frequently in the past have higher possibility to revisit after receiving the coupon.
박완근,유석인,박광서 강원대학교 삼림과학연구소 2000 Journal of Forest Science Vol.16 No.-
강원도 인제군 남면 원대리 자연습지를 대상으로 1999년 4월부터 동년 10월까지 관속식물상을 조사한 결과 71과 175속 228종 1아종 33변종 3품종, 총 265종류가 분포하는 것으로 나타났으며, 이 가운데 갈대, 달뿌리풀, 삿갓사초, 골풀, 구릿대, 버드나무 등의 수생 및 관속식물은 19과 24속 31종 5변종 1품종, 총 37종류가 분포하고 있었다. 본 조사지역내 식생의 특성을 파악하기 위해 식물사회학적조사를 실시한 결과 갈대군락, 갯버들-횐물봉선아군락, 조팝나무-사철쑥아군락으로 분류되었다. This study was to estabilish the composition and vegetation of vascular plants on natural mashes in Wondae-ri(710m; 37˚ 58' 30" N, 128˚ 12' 15" E). This work was conducted from April to October, 1999. Vascular plants were composed of 71 families, 175 genera, 228 species, 1 subspecies, 33 varieties and 3 formae, totaling 265 taxa. Among the investigated vascular plants, 19 families, 24 genera, 31 species, 5 varieties 1 formae, totaling 37 taxa(13.9%) were hydrophytes and hygrophytes. The forest vegetation was classified Into 1 community and 2 subcommunities ; A.Phragmites japonica community A-1.Salix gracilistyla-Impatiens noli-tangere subcommunity A-2.Spiraea prunifolia var. simpliciflora-Artemisia capillaries subcommunity Key words : natural mashes, hydrophytes and hygrophytes
YAG 결정에 첨가된 Tm^3+와 Ho^3+이온의 형광 메카니즘 분석
장만송,서효진 釜慶大學校 2001 釜慶大學校 論文集 Vol.6 No.-
The fluorescence characteristics of Tm3+ and Ho3+ ions in YAG crystal were investi- gated by using the high-resolution laser spectroscopy. The emission, excitation, power dependence and lifetime measurements were performed. The upconverted and downconverted fluorescence in the range from IR to UV were observed under the excitation into the 3F2 state of Tm3+ and the 5F5 state of Ho3+. The sequential two- photon excitation process (STEP) and energy transfer upconversion (ETU) are dominant mechanisms for the upconversion fluorescence in this system.