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      • 녹지조건에 따른 상대습도의 변화

        윤용한,송태갑 建國大學校 自然科學硏究所 2002 建國自然科學硏究誌 Vol.13 No.2

        This reseach sought to measure the relative humidity in the green belt on clear days aimed at indentifying the relevancy of relative humidity with landcover status and the height of forest. Based on this measurement data, it used regresssion analysis and interpreted the relevancy of the relative humdity in the green belt with the landcover ratio and with the height of woody plants. As a result, high wet areas are formed in the forest land and near the water surface, while low wet areas are formed on the paved surface and bare ground. Taking a look at the relevancy between the landcover ratio and the relative humidity, the increase in forestland and grassland is ??ective in raising the relative humidity. Also, the increase in number of trees, regarless of the height of trees, is effective in raising the relative humdity, and the efficiency is big in the order of arbores and small arbores.

      • KCI등재
      • KCI등재

        열형광선량계에 의한 선량평가 알고리즘 개발

        송명재,김희근,하정우,이태영,윤석철 대한방사선 방어학회 1992 방사선방어학회지 Vol.17 No.2

        본 연구의 목적은 ANSI N13. 11-1983의 시험기준에서 제시한 개인선량계의 선량평가 시험범주를 모두 만족시킬 수 있는 선량평가 알고리즘을 개발하는데 있다. 알고리즘 개발 대상 개인선량계로는 Teledyne Isotopes사의 PB-3 열형광선량계로 하였다. 개발된 알고리즘에 대한 미국 Atlan-Tech사와의 2차례의 검증결과, 본 알고리즘은 ANSI N-13. 11-1983의 선량평가 범주를 모두 만족시키는 것으로 나타났다. The purpose of this study is to develop an algorithm of TLD dose evaluation to meet all requirements stated in ANSI N13. 11-1983. It made the PB-3 TLD of Teledyne Isotopes an object of the development. Personal dosimetry performance testings of the development algorithm have been performed twice through the Atlan-Tech, INC. in accordance with the criteria of testing described in ANSI N13. 11-1983. As a result, it is assured that the developed algorithm has complied with all requirements stated in ANSI N13-1983.

      • 서울시내 특급호텔 한식당의 현황

        윤은숙,나영아,송태희 서울保健大學 1998 論文集 Vol.18 No.1

        This study was investigated to the Korean restaurant menus from eight of the first class and five of the second class hotels in Seoul, and attempted to evaluate the restaurant evaluation and cooks job satisfaction with questionnaire surveys. The results were as follows : Korean restaurants of the first class hotel was on sale classified with a large table of food (so called kjo-ja-sang), Korean tabled hotel dinner(chong-sik), a Ia carte (il-pum yori), dessert, and wine with various prices and dishes. The first class hotel sold a lot of a large tables, second class hotel merchandised many Korean tabled hate dinner, both of them served from soup and stew of low price to high class dishes, served rice drink(sik-hei) and ginger tea with dried persimmons (su choung-kwa) with dessert, and served so-ju and bop-ju with Wine. Cooks whose sex were composed of 20% of female and 80% of male, ages were 52% of 20th, most of them graduated from high school or more. They had Korean, Western. Japanese or two or more of cooking license, had engaged in cooking for 5-10 years, worked 8 hours a day, made 1,000,000-1,500,000 won in a month. Most of them were satisfied with their job, possibilities, education training, and salary, whereas they dissatisfied with a cuisine environment such as room temperature, noise, illuminations. Therefore Korean restaurants need improve their working environment. Korean restaurants of the first class hotel had job description. standard cooking recipe, and job planing, hence we know that they were managed with scientific systems. We must attempt to survey menu design of food service system, western and Chinese restaurant as well.

      • KCI등재
      • 직장암 수술 후 국소재발과 예후

        김태윤,백무준,김성용,신응진,박내경,이문수,김창호,송옥평 순천향의학연구소 2004 Journal of Soonchunhyang Medical Science Vol.10 No.1

        Locally recurrent rectal cancer is a difficult clinical problem. Local recurrence following treatment for rectal cancer is a major cause of morbidity and mortality. The reported range of local recurrence rates following surgical treatment for rectal cancer has varied from 4% to 50%. We retrospectively reviewed the charts of 142 rectal cancer patients from January 1991 to December 1999. Analysis of patients factors included age, gender, type of surgery, and adjuvant therapy. Tumors were assessed for level, stage, and grade. Local recurrence and distant metastases were also documented. Variables influencing local recurrence in this group were identified and disease-free survival is determined. Of the 142 patients(74 males, 68 females; mean age 62.6 years), 137 consecutive patients operated on for rectal cancer and followed up to December 2000 (range 23-118months) were analyzed. Local recurrence rate was 18.3%. Age and sex of patients, type of surgery, location of tumor in the rectum, size, morphology and grading of the tumor were all unrelated to the event under investigation. At Cox regression, the Dukes stage and the postoperative radiotherapy were the only independent prognostic factors for local recurrence, and Dukes stage (Hazard ratio=2.89, p<0.001) and local recurrence (Hazard ratio=3.31, p<0.01) were the only independent factors associated with improved survival.

      • KCI등재
      • Fluconazole로 치유된 안면백선 1예

        이병송,윤태진 대한화학요법학회 1996 대한화학요법학회지 Vol.14 No.1

        저자들은 fluconozole로 치료한 T. mentagrophytes에 의한 안면백선 1예를 경험하고 이를 문헉고찰과 함께 보고한다. Fluconazole is a triazole antifungal agent with a primarily fungistatic action in vitro. Its spectrum includes dermatophyte, filamentous, dimorphic and dermaticaceous fungi and some yeast species. Fluconazole inhibits the cytochrome P-450 dependent 14-demethylase (lanosterol N-demethylase), therefore inhibiting conversion of lanosterol to ergosterol. At low concentrations there is inhibition of the enzyme 14-demethylase and ergosterol synthesis, with an elevation in the ianosterol/ergostetrol ratio. At higher concentrations there is fungicidal activity with rapid fungal membrance damage. Fluconazole may also inhibits cytochrome C perixidative and oxidative enzymes, causing an increase in intercellular peroxide generation. Furthermore, there may be inhibition of transformation of candidal yeast forms to pseudohyphae. We experienced a patient with timea faciale caused by Trichophyton mentagrophytes. He was treated with fluconazole 150mg weekly for 3 weeks. After completion of therapy, skin lesions showed complete recovery and we could not see any laboratory abnormalities or adverse reactions.

      • 화상에 의한 간상해에 Anti-prostaglandin이 미치는 영향

        김용송,임정교,손윤경,서인수,손태중 慶北大學校 醫科大學 1991 慶北醫大誌 Vol.32 No.1

        저자는 anti-prostaglandin의 화상독에 의한 간상해에 미치는 영향에 관하여 알아보고자 Sprague-Dawley계 흰쥐 수컷의 체표 30%에 3도 화상을 일으키고 생리식염수와 anti-prostaglandin제제인 flurbiprofen을 투여한 후 각각 5일과 10일 후 도살하여 간의 변화를 관찰하였으며 성적은 다음과 같다. 생리식염수를 투여한 실험군에서는 화상 5일 후 간세포에 mitochondria의 상해와 ER의 확장이 있었고 유동내에는 호중구 등 염증세포의 침윤이 있었다. 화상 10일 후에는 상기한 mitochondria의 상해가 거의 수복되고 ER의 확장도 감소되었으며 유동내의 염증세포도 거의 보이지 않았다. flurbiprofen을 투여한 실험군에서는 화상 5일후 mitochondria의 상해와 ER의 확장이 관찰되었으며 이는 화상 10일 후 까지 지속되었다. 이상의 성적으로 보아 중증화상후에 간은 화상독에 의하여 간세포 mitochondria의 상해를 주로하는 손상을 받게되나 이는 시간이 지나면 수복 가능한 가역적인 상해라 보아진다. 또한 anti-prostaglandin제제는 화상독에 의한 간세포상해에 거의 영향을 미치지 못할 것으로 생각된다. An ultrastructural study was carried out to investigate the effects of burn toxin to liver. Thermal burns wee tried on the skin of Sprague-Dawley rats with severity of 30% and 3rd degree. Flurbiprofen (a kind of anti-prostaglandin) and normal saline was administered every day after burn. The animals were sacrificed at 5 days and 10 days after burns and the livers were extracted for electron microscopic observation. The liver cells of saline intake groups at 5 days after burns were characterized by generalized mitochondrial injury, such as swelling, loss of cristae and membrase destruction. Dilatation of ER and lysosomal increase are also noted. The sinusoid revealed neutrophilic infiltration. At 10 days after burns the liver cells demonstrated nearly normal structure without mitochondrial injury. Mild dilatation of ER was seen. The flurbiprofen intake groups revealed that mitochondrial swelling, loss of critae and destruction of mitochondrial membrane with dilatation of ER and lysosomal increase at 5 days after burns. These features were continued to 10 days after burns. According to these results, it would be concluded that the effects of burn toxin to liver is characterized by mitochondrial injury and it is reversible change. And the anti-prostaglandin drugs may not be effective to inhibit the progressive injury induced by burn toxin.

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