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      • 한의진단명과 진단요건의 표준화 연구 III : 3차년도 연구결과 보고

        최선미,양기상,최승훈,박경모,박종현,심범상,김성우,노석선,이인선,정진홍,이진용,김달래,임형호,김윤범,박성식,송태원,김종우,이승기,최윤정,신순식 한국한의학연구원 1997 한국한의학연구원논문집 Vol.3 No.1

        The diagnostic requirements were suggested and explained regarding the systems of differentiation of symptoms and signs in the third year study of standardization and unification of the terms and conditions used for diagnosis in oriental medicine. The systems were as follows : - analyzing and differentiating of epidemic febrile disease - analyzing and differentiating in accordance with the Sasang constitution medicine based on four-type recognition - differentiation of disease according to pathological changes of Chong and Ren channels - standards for diagnosis of women's disease - standards for diagnosis of children's disease - standards for diagnosis of motor and sensor disturbance (-muscle. born, joint, etc.) - standards for diagnosis of neuropsychiatric disease - standards for diagnosis of five sense organ disease - standards for diagnosis of external disease The indivisual diagnosis pattern was arranged by the diagnostic requirements in the following order : another name, notion of diagnosis pattern, index of differentiation of symptoms and signs, the main point of diagnosis, analysis of diagnosis pattern, discrimination of diagnosis pattern, prognosis, a way of curing a disease, prescription, herbs in common use, disease appearing the diagnosis pattern, documents. The standards for diagnosis of each disease was arranged by the diagnostic requirements in the following order : another name, notion of disease, the main point of diagnosis, analyzing and differentiating of disease, analysis of disease, discrimination of disease, prognosis, a way of curing and prescription of disease, disease in western medicine appearing the disease in oriental medicine, documents.

      • A Basic Study on Leaf and Stem Production of Angelica acutiloba

        Choi,Seong-Kyu,Yun,Kyeong-won,Chon,Sang-Uk,Lee,Jong-Ill,Seo,Young-Nam,Seo,Kyoung-Sun,Choi,Kyeong-Ju 한국자원식물학회 2004 Plant Resources Vol.7 No.3

        This study was conducted to develop effective production system in greenhouse for leaves and stems of Angelica acutiloba by using connect pots in 2003 and 2004. Seed germination rate and plant biomass of Angelica acutiloba collected in 2004 were higher than those harvested in 2003. Germination rate of Angelica acutiloba seeds collected in 2003 was 10%, while germination rate of seeds collected in 2004 was above 90%. Especially, plant growth and yield of Angelica acutiloba grown in connect pots sized with 4×4×5cm(length×width×height) were the highest. These results indicate that leaf and stem production of Angelica acutiloba can be improved by using connect pots and optimizing seed collecting time in greenhouse.

      • 중등학교 체육수업의 교수행동과 실제학습시간에 관한 연구

        김달영,최종선 公州大學校 藝體能硏究院 스포츠 科學硏究所 2004 스포츠科學硏究所論文集 Vol.16 No.-

        The purpose of this study is to increase Academic learning Time -Physical Education(ALT-PE) by analyzing the relationship between the teaching behavior and the learning behavior in middle school physical education classes. The result of this study by recording the 10 randomly sellected teacher'physical education classes with VTR in Phyong tak city area abstracted as fallows. first, in teaching behaviors, teachers allocated class time in the order of monitoring, Management, Lecturing or Orienticipation, Corrective Skill feedback. In a correlation with Academic Learning Time - Physical(ALT-PE), hustle, Positive skill Feedback, Teacher Participation variable have positive correlation. However, Lecturing or Orientation, Naglect, Questioning show negative Correlation. Second, Academic Learning Time - Physical Education(ALT-PE) at middle school pyoung t다 city turn out to be a low 22.62 percent by analying student'behavior phenomenon. This figure is much lower than that of Seoul, Kyunggi, Chungbuk area(37.89) percent by Kim Tae-hyung) and Chungnam area(29.44 percent by Choi jong sun). It means that decreasing the time of Monitoring, Management and lecturing or Orientation makes the time of corrective skill feedback which showered positive correlation with Academic Learning Time - Physical Education(ALT-RE) Increase. In conclusion, teachers should utilize More effcient physical education teaching methods by developing various future-oriented teaching patterns to over come routine monotonous classes. To achieve this goal, teachers should analyze their own classes, use teaching aid materials, implement adequate teaching skill ; methods of drawing more student'attention effciency in class management and roll-calling, rapidness in arranging implements, simple and clear directions. In addition to, we have many problem to solve: insufficients, too many students in class with wating, moveing and non-activity time to be reduce, and so on. Naturally, to increase Academic Learning Time - Physical Education(ALT-PE), it is neccessary that problem above mentioned Will be solved.

      • SCIESCOPUSKCI등재

        Modeling of CO<sub>2</sub> Emission from Soil in Greenhouse

        Lee, Dong-Hoon,Lee, Kyou-Seung,Choi, Chang-Hyun,Cho, Yong-Jin,Choi, Jong-Myoung,Chung, Sun-Ok Korean Society of Horticultural Science 2012 원예과학기술지 Vol.30 No.3

        Greenhouse industry has been growing in many countries due to both the advantage of stable year-round crop production and increased demand for fresh vegetables. In greenhouse cultivation, $CO_2$ concentration plays an essential role in the photosynthesis process of crops. Continuous and accurate monitoring of $CO_2$ level in the greenhouse would improve profitability and reduce environmental impact, through optimum control of greenhouse $CO_2$ enrichment and efficient crop production, as compared with the conventional management practices without monitoring and control of $CO_2$ level. In this study, a mathematical model was developed to estimate the $CO_2$ emission from soil as affected by environmental factors in greenhouses. Among various model types evaluated, a linear regression model provided the best coefficient of determination. Selected predictor variables were solar radiation and relative humidity and exponential transformation of both. As a response variable in the model, the difference between $CO_2$ concentrations at the soil surface and 5-cm depth showed are latively strong relationship with the predictor variables. Segmented regression analysis showed that better models were obtained when the entire daily dataset was divided into segments of shorter time ranges, and best models were obtained for segmented data where more variability in solar radiation and humidity were present (i.e., after sun-rise, before sun-set) than other segments. To consider time delay in the response of $CO_2$ concentration, concept of time lag was implemented in the regression analysis. As a result, there was an improvement in the performance of the models as the coefficients of determination were 0.93 and 0.87 with segmented time frames for sun-rise and sun-set periods, respectively. Validation tests of the models to predict $CO_2$ emission from soil showed that the developed empirical model would be applicable to real-time monitoring and diagnosis of significant factors for $CO_2$ enrichment in a soil-based greenhouse.

      • SCIESCOPUSKCI등재

        Modeling of CO₂ Emission from Soil in Greenhouse

        Dong Hoon Lee,Kyou Seung Lee,Chang Hyun Choi,Yong Jin Cho,Jong-Myoung Choi,Sun-Ok Chung 한국원예학회 2012 원예과학기술지 Vol.30 No.3

        Greenhouse industry has been growing in many countries due to both the advantage of stable year-round crop production and increased demand for fresh vegetables. In greenhouse cultivation, CO₂ concentration plays an essential role in the photosynthesis process of crops. Continuous and accurate monitoring of CO₂ level in the greenhouse would improve profitability and reduce environmental impact, through optimum control of greenhouse CO₂ enrichment and efficient crop production, as compared with the conventional management practices without monitoring and control of CO₂ level. In this study, a mathematical model was developed to estimate the CO₂ emission from soil as affected by environmental factors in greenhouses. Among various model types evaluated, a linear regression model provided the best coefficient of determination. Selected predictor variables were solar radiation and relative humidity and exponential transformation of both. As a response variable in the model, the difference between CO₂ concentrations at the soil surface and 5-㎝ depth showed are latively strong relationship with the predictor variables. Segmented regression analysis showed that better models were obtained when the entire daily dataset was divided into segments of shorter time ranges, and best models were obtained for segmented data where more variability in solar radiation and humidity were present (i.e., after sun-rise, before sun-set) than other segments. To consider time delay in the response of CO₂ concentration, concept of time lag was implemented in the regression analysis. As a result, there was an improvement in the performance of the models as the coefficients of determination were 0.93 and 0.87 with segmented time frames for sun-rise and sun-set periods, respectively. Validation tests of the models to predict CO₂ emission from soil showed that the developed empirical model would be applicable to real-time monitoring and diagnosis of significant factors for CO₂ enrichment in a soil-based greenhouse.

      • 유기 능동 소자 제작을 위한 α-육티오펜 박막의 물리적ㆍ전기적 특성 연구

        崔淙宣 弘益大學校 科學技術硏究所 1997 科學技術硏究論文集 Vol.8 No.-

        α-sexithienyl(α-6T) thin films were deposited by Organic Molecular Beam Deposition(OMBD) technique, where the α-6T was synthesized and purified by the sublimation method. The thin films of the α-6T were deposited under various deposition conditions. The effects of deposition rate, substrate temperature, and vacuum pressure on the formation of these films have been studied. The molecular orientations of α-6T films were investgated with the polarized electronic absorption spectroscopy. The molecules in the α-6T film deposited at a low deposition rate under a high vacuum were aligned almost perpendicular to the substrate. The film deposited at an elevated substrate temperature (∼90℃) showed higher conductivity than the film deposited at room temperature.

      • 농업용수수질기준 제정을 위한 T-P 항목의 검증실험

        최선화,김영일,김민호,이변우,오종민 경희대학교 2003 環境硏究 論文集 Vol.12 No.-

        This study was carried out to nvestigate- the effects of T-P concentrations in irrigation water on the growth, yield, and grain quality of rice. It acquire fundamental knowledges to set up irrigation water quality standards. The pot experiment was conducted with 5 treatments using irrigation water. It consisted of various total phosphorus concentrations (control, 1, 2, 5, 10 mg/L) and replicated four times with randomized block design. the results of this study showed that as t-P concentrations in irrigation water increases, plant height tended to increase. Dry weight of rice plant at t-P 10 mg/L was significantly higher than the control. However, t-P in irrigation water did not affect plant height, tiller number, plant; dry weight, yield, and quality of rice.

      • KCI등재

        농업용수 수질기준 T-N 항목 설정을 위한 벼생육 실험

        최선화,김호일,윤경섭,최이송,오종민 한국물환경학회 2004 한국물환경학회지 Vol.20 No.3

        The present water quality standards for agricultural were established without considering the effects of water quality on the safety, growth, yield and quality of crops. This study was carried out to investigate the effects of irrigation water quality on the growth, yield, and grain quality of rice, and to acquire basic knowledges to set up water quality standards for irrigation. The field and pot experiments were conducted with irrigation water that was previously adjusted four concentrations (control, 5, 10, 20 ㎎/L) and six concentrations (control, 5, 10, 15, 20, 30 ㎎/L) by NH₄NO₃ solution and replicated three and four times with randomized block design, respectively. The results of this study showed that the inorganic nutrient of rice plant, rice protein contents and number of panicle tended to increase as the T-N concentration in irrigation water was increased. In addition, grain yield at T-N 10 ㎎/L and 20㎎/L were significantly higher than the control at the field experiment. From the pot experiment at T-N 30 ㎎/L, the percentage of head rice was slightly lower due to the increase of green kernel and white belly/core kernel.

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