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      • 디지털 제어 방식에 의한 온실의 환기제어 시뮬레이션

        문성동,이상옥 三陟大學校 産業科學技術硏究所 2003 産業科學技術硏究論文集 Vol.8 No.2

        Heating control system of the greenhouse has been achieved by a simple ON-OFF control method conventionally. It has such disadvantages as decreasing of control accuracy and cycling of control response induced by- wide dead band. To solve these problems of OK-OFF control. serial evaluations for establishment of mathematical model of the heating control system of greenhouse, identification of the recursive model, analysis of characteristics of Proportional(P) control, Proportional Integrated Derivative(PID) control and Model Reference Adaptive Control(MRAC) based on digital control methods. respectively. and simulation and evaluation of the investigated control system were carried out. A computer system was used for measuring the weather condition and controlling the power devices. The experimental greenhouse consisted of three gutter-connected round roof. covered with two layer polyethylene film, and equipped an air-heater with an oil burner.

      • 濟州道 一部地域의 絲狀蟲症患者와 象皮病患者에 對한 學的調査 및 Spatonin에 依한 集團化學療法의 臨床報告

        文玉綸 서울大學校 保健大學院 1968 公衆保健雜誌 Vol.5 No.2

        Filariasis survey was carried out on 1107 subjects of 3 villages located in southern county of Che Ju Do from June to October of 1968. Mass chemotherapy with spatonin (Diethylcarbamazine) on 208 microfilaria positive cases was followed after the survey. The summarized results are as follows: 1. Epidemiological characteristics of microfilaria positives and elephantiasis patients. Microfilaria rates varied by areas with average of 20.9% ranging from 17.3% to 27.1%. Distribution of microfilaria rate by sex did not show any significant difference, however, the distribution of microfilaria rate by age showed two peaks, one for 21-30 years and the other for 41-50 age group. For the remarkable dropped rate for 31-40 years age group, more studies may be necessary to give explanations. The range of microfilaria counts per 40㎣ of blood (density) varied widely from 1 to 788, although the most of microfilaria positives (40%) had less than 25 Mf (microfilaria) per unit of blood. Also the microfilaria density showed interesting correlation between Mf. rate and the density by villages; where the rate was high, the density was proportionately high. The survey by family unit revealed that 40% (average) of total households surveyed had Mf positives, and 80% of positive households had one or two positive family members. On the survey of clinical filariasis, 41 of 1107 subjects were found to have elephantiasis. Female showed predominantly higher rate (2.2 times) compared with that of male. The distribution by age showed definite tendency of increasing rate by increasing age; in more than 80% of the cases, the elephantiasis appeared after 20 years of age, even though the earlest case was 14 years old girl. Sites for elephantiasis were found in 75% on lower extremities, 5% on upper extremities and 20% on both extremities. Erythematous swellings of extremities accompanied by fever seemed to occur once or twice annually. Some contributing factors for the episodes seemed to be related to over exhaustion and/or injuries. 2. Mass treatment with spatonin, its efficacy and side reactions. Mass chemotherapy with spatonin on 208 microfilaria positives gave all excellent efficacy according to the results of blood smear immediately after the last dose of the drug; four experimental groups (by village) treated with 6mg of spatonin/kg body weight every day, every other day for 6 doses, same amount of the drug 6mg/kg of b.w. every other day for first 2 doses and every day for rest of doses, and 3mg/kg of b.w. every other day for 14 doses, showed similar results (92.6%, 91.2% and 88.4% of rate turning to microfilaria negative) for 6mg/kg of b.w. groups regardless of way of administration except 3mg/kg of B.W. group, which had much inferior efficacy than the another groups(only one of five became negative). Six doses of 6mg/kg b.w. spatonin may be enough to turn the positives to negative, although long term follow up study is strongly desired. The side reactions due to the drug was relatively severe especially after the first and second doses. More frequent symptoms were anorexia, fever, headache, joint pain, and dizziness, which became milder when the drug was administered every other day. From this study, it was tentatively concluded that filariasis is one of important endemic diseases in the area studied. and spatonin could be a potent drug for control of filariasis when administered properly.

      • 농어촌 지역의료보험의 정책과제와 전망

        문옥륜 서울大學校 保健大學院 1994 보건학논집 Vol.31 No.1

        The cost of rural health insurance has in creased 23.5% per annum for the past five years, which is equivalent to two-fold that of the industrial workers health insurance. Those 136 rural health insurance associations have made a surplus of 101 billion won by 1993. However, it is problematic that differences in the power of financial solvency among rural health insurance associations become greater. In fact, 8 rural associations ran financially red in 1993. The rural conditions expect to be aggravated rapidly under the pressure of the Uruguay Round agreement. The eight policy objectives are set to overcome the impending financial problems. This study recommended that: ① The grants-in-aid be provided to the worthy poor rural associations at the end of fiscal year. The worthy poor rural associations have indicated that those rural associations paying the national average amount of contributions, yet making a financial deficit. ② The average net amount of contributions for the rural health insurance be maintained less than that for industrial workers and public officials and private school teachers. It is decided that in the long run the rural farmers and fishmen pay contributions according to their financial ability. ③ The benefit period of 180 days per annum be gradually expanded to 365 days within three and six years. ④ The use of high cost technology such as CT and MRI be included under the benefit package. ⑤ The copayment of the poor be adjusted according to their ability to pay. ⑥ The corresponding preventive health services be included for members of rural insurance like those of other health insurances. ⑦ As to the efficient management, the optimum size of rural health insurance associations be pursued to get the advantage of economy of scale effect. ⑧ A change of payment method be considered for correcting the known disadvantages of fee-for-service payment. The DRGs is an example. Some proposals mentioned above are the same as those made by the National Medical Security Reforming Committee. This study recommends the six stepwise approach to implement the proposals: ① The law be amended in a manner for the government to subsidize rural health insurance for the half of administration costs and that of benefit expenses. About 100 billion won will be reserved from this measure. ② A financial adjustment scheme be developed for the assistance to elderly care. From the scheme, about 70 billion won will be reserved in 1996. ③ Another financial adjustment scheme be added for the financial solvency of the worthy poor association. ④ The corresponding raise of contribution is another potential source in accordance with the raise of insurance benefits. ⑤ (If financially in red still) the organization of a national farmers health insurance is another possibility. ⑥ (Despite these measures deficit financing continuing) the last approach is to switch into the tax system for farmers and fisbmen. The author believes that gradual reform can serve people better health. Thus, a stepwise approach is strongly needed in planning the rural health insurance program.

      • KCI등재
      • 단풍취 분획물이 알콜대사효소에 미치는 영향

        문형인,지옥표,문세훈,신말식 성균관대학교 약학연구소 1998 成均藥硏論文集 Vol.10 No.1

        Spraque-Dawley계 수컷랫트에 계통분획한 단풍취의 각 분획물을 경구투여하고 혈청 ethanol농도와 간의 ADH활성에 미치는 효과를 검색 추적한 결과 알코올대사를 촉진시키는 성분은 주로 에탄올가용부에, 억제시키는 성분은 에탄올불용부에 주로 존재함을 추정할 수 있었고 현재 활성성분을 분리중에 있다.(1998년 9월 25일 접수, 1998년 10월 14일 수리) Effects of organic solvents fraction from Ainsliaea acerifolia ethanol extract on alcohol metabolism in rats were examined and the results were as follows: Ethanol souble fraction, after a single oral administration to rats, was found to cause a significant decrease in the serum ethanol concentration as well as enhancement of liver cytosolic alcohol dehydrogenase(ADH) activity, on the other hand, the fraction insouble in ethanol was found to cause an increase ethanol concentration in the blood and inhibit ADH activity.

      • 韓國現代人體彫刻의 흐름과 表現樣相에 관한 小考

        文玉子 호남대학교 1991 호남대학교 학술논문집 Vol.12 No.2

        The real situation of sculpture for human body in Korea nowadays is that an incorrect point of view that the man who makes the human body an object of sculpture seems to be regarded a common sculptor is expanded outrageously in a course that recreates an object of human body as one sculpture work due to a lack of original consciousness or an unskilled modelling rather than a viewpoint of criticism not to obtaining an artistic realization. So it develops to the situation that even the students who major the sculpture in the university deny the modelling for the human body that is one of the basic education for sculpture. Thus, in this thesis, I try to make an appropriateness for the human body sculpture undestand by studing the human body sculpture as the object of sculpture and the aspect of human body sculpture through an art history as a human body expression background of sculpture in order to rectify the wrong point of view. As a result that I study the tendency and the expression aspect of modern sculpture in Korea by period from the stage of early introduction to the modern period in an objective view. I recognize the our modern sculpture for the human body that has a long history contains somewhat a standardized tendency due to a formative immitation of Western modern and contempoary sculpture for the human body and the problematic consciousness and the original consciousness is also lacked.

      • KCI등재

        청소년의 성교육을 위한 기초연구

        문인자,조옥희,김효심 한국 가정과 교육 학회 1997 한국가정과교육학회지 Vol.9 No.1

        The purpose of this study is to survey middle school students' awareness of sexuality and relationships with the opposite sex. The students need to have at their disposal basic resources on sexuality education and an established and systematic curriculum. To achieve this result, questionaires were distributed to 640 students who were chosen randomly in three middle schools in Seung-ju Goon and Goo-rye Goon in Chonnam area, 573 questionaries were used for the final analysis. The results were as follows: In the area of awareness of sexuality, male students regarded sex more positively than female students. It also showed that 19.9% of male students and 17.6% of female students were not aware of their virginity. Male students said they felt sexual impulses most when they saw naked women, and secondly, by sex magazines. This indicates students are motivated mostly by outside influences. There is a considerable gap in the degree of sexual knowledge between male and female according to their school year and father's education level. However, little difference is seen according to student's family circumstance, father's job, and student's religion and vise versa. School restrictions were so severe that 48.2% of boys and 47.1% of girls said that schools paid little attention to their needs. The school restricted rather than permitted relationships with opposite sex. Most of the students revealed a dissatisfaction with the school sexuality education program. Because of confucianism, Korean society has a negative attitude towards sexual activity including sexual education in the schools. 56.8% of male students and 81.4% of females students wanted female teachers to be their sexuality education teachers or advisors rather than male teachers, and 44.8% of male students and 51.2% of females students wanted to receive sexuality education in their Home Economics classes. Materials for sexuality education were considered most effective through videos and audio-visuals. As a result, this survey showed that there appeared to be a great need for a sound, effective, and sensitive sexuality education curriculum in the middle schools for teenagers. It should be conducted in such a way that the teenagers will learn about their sexual needs, their gender differences, and understand and know how to conduct themselves in today's society sexually.

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