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The purpose of the present study is to develope the estimation scheme for sensible heat flux by semi-empirical approach using routine meteorological data such as solar radiation and air temperature. To compare observed sensible heat flux with estimated sensible heat flux, the sensible heat fluxes were measured by three dimensional sonic anemometer-thermometer. The field observation was performed during 1 year from December 1, 1995 to November 30, 1996 on a rice paddy field in Chunchon basin. The heat fluxes were measured at a heights of 5m and mean meteorological variables were obtained at two levels, 2.5m(or 1.5m) and 10m. Since condition of rice paddy field such as, wetness of the field, roughness length, vary widely, we devided annual data to 5 periods. Comparing with two sensible heat fluxes, the results showed that the correlation coefficients were more than 0.86. Thus, we can conclude that the estimation method of sensible heat fluxes using routine meteorological data is practical and reliable enough.
Sulfur is a simple element, and has been known as an important component of various enzymes and other organic substances. It was once used in the pyrotherapy of dementia praecox and general paresis and a small dose of it was used in neurosis. The author conducted an animal experiment to investigate the effect of sulfur on blood alcohol level, because many investigators have suggested that many psychotropic drugs elevated blood alcohol level in rabbits. The experiment was done on mature rabbits of both sexes. The control group was given alcohol alone, and the experimental groups were given various oral doses of sulfur, that is, 100mg/kg for 5 days, 100mg/kg for 10days, 200mg/kg for 5 days and 200mg/kg for 10 days, respectively, defore alcohol administration. The last dose was given one and a half hour before alcohol administration. In all groups, 5.0ml/kg of 20% ethanol solution was given intravenously. And at 15 and 45 minutes after alcohol injection blood specimens were obtained by cardiac puncture. The blood alcohol levels were determined by Cavett's method. As the results, comparing with the control group, sulfur, when administered in a dose of 100mg/kg of body weight daily for 5 days, did not change the blood alcohol level significantly at both 15 and 45 minutes after alcohol administration. But, sulfur, when administered in a dose of 100mg/kg of body weight daily for 10 days and 200mg/kg of body weight daily for 5 days, elevated the blood alcohol level significantly at 15 minutes after alcohol administration but not at 45minutes, and when administered in a dose of 200mg/kg of body weight daily for 10 days elevated the blood alcohol level significantly at both 15 and 45 minutes after alcohol administration. It is concluded that sulfur elevates the blood alcohol level in rabbits when the dose is sufficient, and the duration is long enough.
The purpose of this study was to develop an instrument for measuring career development of elementary school students, and to obtain evidences of validation for interpreting the scores on the instrument. The process of instrument validation was completed in four phases.The results of this study were summarized as follows: First, the value of coefficient alpha for the final 41-item instrument was .936, and the sub-scale alphas ranged from 0.787~0.911. These values were quite adequate according to the standards. Second, the result of exploratory factor analysis provided initial the evidence of construct validity for the Career Development Inventory for elementary school students, as the nine-factor model was determined to be a reasonable solution to the response data. Third, as a result of confirmatory factor analysis, Career Development Inventory for elementary school students was consisted of three dimensions and nine factors. The correlations among all factors were significant(p < 0.01). These procedures verified the construct validity. Fourth, when the scores of the career decision making self-efficacy were used as a criterion for concurrent validity, the correlation between the career decision making self-efficacy and Career Development Inventory for elementary school students was significant(p < 0.01) . And when interest congruence scores were used as a criterion for concurrent validity, the relationship between interest congruence and Career Development Inventory for elementary school students was significant. In conclusion, the result of this study verified that the Career Development Inventory for elementary school students has reliability and validity. According to the result, this study was to produce a percentile norm and a standardization score norm with respect to sex, grade, and school location for the interpretation of test results.