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김선희,한상섭 한국임학회 2000 한국산림과학회지 Vol.89 No.4
This study was carried out to investigate the characteristics of longitudinal permeability and hydraulic resistance, and to compare the longitudinal permeability (K_E) calculated by the Hagen-Poiseuille's law (Siau, 1971) and the longitudinal permeability (K) measured in sapwood of Acer mono stem. The volume flow rate (Q) in a vessel was 0.80 × 10^(-4) ㎤/sec and the hydraulic resistance (R_s) to viscous flow through a vessel was, on average, 1.37 × 10^(10) dyn · sec · cm^(-3) · cm^(-2) The average value of volume flow rate (Q_N) through the cross section of sapwood was 0.32㎤ · sec^(-1)·cm^(-2) , and the average resistance (R_(SN)) was 3.59×10^6 dyn · sec · cm^(-3) _ cm^(-2) . The values of K decreased as the diameter of stem increases, which was attributable to variations in the number of vessel per unit area rather than in vessel diameter, and to different resistances in the conducting tissues of each part of the stem. The average value of K measured at breast height was 31% of average value of K_E. The K/K_E ratios were 100% in 4 to 6 year-old stems and more than 90% in 7 to 27 year-old stems. The K/K_E ratio decreased as the age of stems increases, and was not more than 20% in near-ground parts of stem.
대학 교양수업에서의 일본문화 관심도 경향분석 및 교육방안 모색
김선희 한국일본언어문화학회 2021 일본언어문화 Vol.57 No.-
The purpose of this study is to analyze objective data of interest in Japan, reveal its trend, and seek the direction of education through a survey on the frequency of expression of associated words related to society and culture in Japan. In fact, the emphasis on culture in university language education is due to the globalization and information age and the reorganization of curriculum, and this is why the number of lectures on social culture in universities is increasing. The need for cultural education, which was neglected in language education in the past, has been emphasized, but it is undeniable that it is a transitional situation that is recognized as a basic knowledge to develop language skills. Through the observation of the frequency of expression of culture-related words in this study, it can be recognized that university students are interested in Japanese society and culture in various fields. In general, other cultures were mainly delivered in the form of knowledge through media, newspapers, books, and magazines, but in the recent information age, a large amount of cultural items are delivered quickly and directly through various media such as the Internet. In addition, the spread of the Internet, YouTube, and SNS has led individuals to actively and selectively interact with and learn about culture at their own discretion.In addition, the number of ways to travel in person and experience socializing is increasing. Through this study, it can be assumed that the direction of cultural education should be changed, as there are perception gap of culture between generations, individual experiences and education, and the utilization of media, etc. In future university education, various IT technologies such as virtual reality space (Metaverse) should be combined to provide Japanese culture education through SHEEF experiences.