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A. 高校 科學 (生物·地球科學) 및 數學科 探究學習의 評價模型 定立과 評價紙 開發
李相協,權炳奎,林在圭,孫文求,吳岱燮,楊洪準,梁承榮,姜用熙,林成圭,金正遠,金吉民,兪正在 경북대학교 과학교육연구소 1982 科學敎育硏究誌 Vol.6 No.-
Currently the evaluation of high school science and mathematics learning has been too much knowledge-centered without concerning the inquiring ability or scientific attitude. This study, therefore, was made for the purpose of establishing of evaluation model for high school science (biology and earth science) and mathematics learning and its evaluation items. In this paper, the research was done about three fields, biology, earth science and mathematics. 1. For the biology, the evaluation methods of inquiry learning were studied with the foreign references, and proper evaluation items were suggested. 2. For the earth science, after analizing 5 kinds of earth science textbook of current using in high school, essential 19 items were selected. 5 of them were tested in test group and control group, then, the results were analized. 3. For the mathematice, the teaching elements of「Set」and「Flow chart」in mathematics (Ⅰ) were selected and structured. Detailed teaching objects were established and evaluation items were introduced.
신디오탁틱 폴리메타크릴릭산과 폴리-L-프로린 사이의 수소결합을 통한 복합체 형성에 관한 연구
임광규,이재원 嶺南大學校 基礎科學硏究所 1996 基礎科學硏究 Vol.16 No.-
Complex formation change between helical poly(L-proline) (PLP(Ⅲ)) and syndiotatic poly(methacrylic acid) (st-PMAA) through hydrogen bonding in aqueous solution. Reduced viscosity ( ?? ) in the mixing ratio 0.9 turned out the interpolymer complex for [st-PMAA]/[PLP(Ⅱ)]. The driving force to form the complex is thought to be hydrogen bonding between the carboxyl group of PMAA and ketone groups of PLP(Ⅱ). The morphology change for complex formation of st-PMAA and PLP(Ⅱ) is determined by using SEM and TEM.
축냉재 포접화합물의 열물성에 관한 실험적 연구(Ⅲ) : 충전량 변화 Variations of Charging Conditions
임재경,고광옥,김진흥,정낙규,하옥남 朝鮮大學校 機械技術硏究所 2000 機械技術硏究 Vol.3 No.1
The objective of this paper is to investigate the thermal properties of TMA-clathrate compound in order to applicate cold storage system to residential air-conditioning. Especially, the test tube experiments are performed by comparing and analyzing the concentration of TMA-clathrate compound, the temperature of heat source, and the phase change temperature, specific heat and subcooling characteristics on the point of the variation of charge capacity. The results are summarized as follows; 1) When the temperature of heat source is -15℃, the stability of the thermal properties is appeared high in the whole experiments 2) The effect of subcooling suppression is improved around 0.6℃ when the temperature of heat source is -15℃, while the teemperature of subcooling is about 2.2℃ when the temperature of heat source is -10℃. Especially, it did not almost present any subcooling in the 26wt% of the 5g and the 25wt%, 30wt% of the 10g. Thus, we concluded that TMA-clathrate compound has thermal properties as the cold storage medium for residential air-conditioning.
高血壓을 일으키는 아세트 알데하이드의 作用에 關한 硏究 : 副腎에서 카테콜아민의 分泌에 對하여
林東潤,文宰奎 朝鮮大學校 附設 醫學硏究所 1986 The Medical Journal of Chosun University Vol.11 No.1
Authors tried to investigate whether acetaldehyde causes release of catecliolaniiiies(CA) from Liie isolated perfused rabbit adrenal gland or not and to elucidate its mechanism or action. Acetaldehyde (300㎍) injected into adrenal vein produced the marked secretion of CA. Acetaldehyde-induced secretory effect of CA was not affected by treatment of atropine or chlorisondamine and even by atropine plus chlorisondamine. Release of CA evoked by acetaldehyde was not blocked by pretreatment with adenosine, but inhibited significantly by ouabain-treatment or calcium free Krebs solution. These results obtained suggest that acetaldehyde evokes release of CA from the isolated perfused rabbit adrenal gland by direct action, and that it may exert its hypertensive action partly through this mechanism.
임재영,서규우,송일준,송무효 동의대학교 산업기술개발연구소 2000 産業技術硏究誌 Vol.14 No.-
In this study, USLE series parameter's characters are assessed each parameter. Main topic is propose for Assesment method. In case of Soil erosion energy factor for single storm, return period is commended 5 year. In case of Soil Erodibility factor, Percentage of Clay is increase then K value is decrease. In case of Slope Steepness-length factor, If the homogeneous slope length divide into short length, Sediment yield become exaggerated estimation. In condition of low steepness Slope basin, As the sensibility of Slope gradient, estimation of slope gradient must to be exceedingly careful. Also, the average slope where is low slope gradient basin is to be prudent. In spite of the same site, design engineer understood that site is convex configuration, soil erosion is estimated very much. In this study proposed cover factor estimation process. In case of soil conservation practice factor, I proposed that P factor substituted for delivery ratio, developed by US Forest Service.
임동규,박우균,권순익,남재작,이상범 한국환경농학회 2002 한국환경농학회지 Vol.21 No.4
가축분뇨를 혐기성소화하여 메탄가스를 생산하고 난 다음 혐기성 소화액비를 비료자원으로 활용하기 위하여 농가포장에서 액비의 시용적량을 구명하였다. 벼 생육상황은 액비 100%+화학비료구가 전 시기를 통해 가장 양호하였으며, 그 다음으로 표준시비구가 분얼기에만 양호하였으나 그 이후에는 표준시비구·액비 100%구 및 액비 150%구 간에는 서로 차이가 없었다. 시기별 식물체중 전질소함량은 분얼기 및 출수기에는 추비의 영향으로 표준시비구가, 유수형성기에는 액비 100%+화학비료구가 높았다. 벼 수량은 액비 100% 및 150%구들이 표준시비구와 비슷하거나 약간 증수되었으며, 액비 100%+화학비료구는 고중의 증가 및 도복으로 인하여 표준 시비구보다 수량이 오히려 약간 낮았다. 수확기 질소흡수량은 표준시비구가 가장 높았고 ,시비질소 효율은 액비 100%구에서, 시비질소 이용율은 액비 100%+화학비료구에서 높았다. 시기별 토양중 NH₄-N 및 NO₃-N함량 변화는 액비 100%+화학 비료구가 타 처리구보다 높았다. 시기별 관개수 중 NH₄-N 및 NO₃-N함량 변화는 분얼비의 영향으로 급격히 증가하였다가 급격히 감소하였는데, 증가한 시기에는 표준시비구 및 액비 100%+화학비료구가 가장 높았다. 시기별 침투수 중 NH₄-N함량 변화는 액비 150%구들에서 많이 용탈되었구 NO₃-N 함량은 액비에 화학비료를 추비한 구들에서 많이 용탈되었다. 혐기성 소화액비는 액비 중의 질소성분을 분석하여서 표준시비량의 질소성분에 맞추어 시용하여야 한다. This study was carried out to evaluate the proper application amount of anaerobic digestion waste water and the environmental influence on rice. The waste water collected after methane fermentation process of pig manure was used as a liquid manure. Liquid manure 100%+chemical fertilizer 30%(LM 100%+CF 30%) treatment was the most favorable at all growth stages of rice. The LM 100%+CF 30% treatment was applied to 100% amount of liquid manure which was correspond to the same amount of nitrogen for the standard application amount on rice, with adding 30% amount of chemical fertilizer(urea) at tillering stage. The yields of rice in the treatments of 100%(LM 100%) and 150% amount(LM 150%) of liquid manure were similar or a little higher than NPK treatment, but LM 100%+CF 30% treatment was less than the NPK treatment due to the increase of straw weight and plant lodging. In periodic changes of the NH_4-N and NO_3-N contents, the LM 70%+CF 30% treatment in paddy soil was the highest in all treatments. The NPK and the LM 100% treatments in irrigation water quality were higher than other treatments. In infiltration water quality, M44-N content was leached out much in the LM 150% treatment and NO_3-N content was in the LM 100%+CF 30% treatment. The proper application amount of anaerobic digestion waste water as a liquid manure must be to analyse the nitrogen content of the waste water and to apply the same amount of nitrogen for the standard application amount on rice.
數學敎育의 現況 分析과 改善 方案(Ⅰ) : 圖形의 變換의 指導內容 分析 The Analysis of Contents about Transformation of Figure
林在圭,奇宇恒,鄭長春,金海龍 경북대학교 과학교육연구소 1980 科學敎育硏究誌 Vol.4 No.-
Some concepts of modern mathematics give rise to the new contents of school mathematics in accordance with the modernization movement of mathematics education. The trasformation of the figures is one of contents. In the present paper, to find out the effective teaching methods for the transformations of figures, we study the followings; (1) the structures of various transformations (2) analizing the curriculum and the mathematics textbooks (3) organizing the development of contents by logical arguments (4) pointing out difficult aspects of contents which can be found in the educating place.