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조윤상(Yoon Sang Cho),남보우(Bo Woo Nam),홍사영(Sa Young Hong),김진하(Jin Ha Kim),김현조(Hyun Jo Kim) 한국해양공학회 2014 韓國海洋工學會誌 Vol.28 No.6
A numerical method to investigate the non-linear motion characteristics of a TLP is established. A time domain simulation that includes the memory effect using the convolution integral is used to consider the transient effect of TLP motion. The hydrodynamic coefficients and wave force are calculated using a potential flow model based on the HOBEM(higher order boundary element method). The viscous drag force acting on the platform and tendons is also considered by using Morison’s drag. The results of the present numerical method are compared with experimental data. The focus is the nonlinear effect due to the viscous drag force on the TLP motion. The ringing, springing, and drift motion are due to the drag force based on Morison’s formula.
강원도 벼 주산지에서 생태형별 이앙시기가 현미 품질에 미치는 영향
조윤상 ( Youn-sang Cho ),이지우 ( Ji-woo Lee ),윤예지 ( Ye-ji Yoon ),김용복 ( Yong-bok Kim ),정정수 ( Jung-su Jung ) 강원대학교 농업생명과학연구원 2022 강원 농업생명환경연구 Vol.34 No.0
강원도의 벼 주산지인 중부평야지(춘천), 동해안지(강릉), 중북부평야지(철원)에서 시험기간 중 출수 후 40일간 평균기온 기준 최적 등숙적온은 중부평야지 23.7°C, 동해안지 21.8°C, 중북부평야지 22.4°C였다. 중부평야지에서 벼생태형에 따른 품질은 조기보다 만기이앙이 좋았으나, 중북부평야지 및 동해안지의 중만생종 품종은 등숙기 적산온도가 부족하여 현미 품질이 급격히 저하되었다. 동해안지에서 종생종은 5월 20일 이앙시 품질이 가장 높았고, 중만생종은 6월 10일 이앙은 미숙립 등 품질이 낮아 안전재배에 적당하지 않았다. 중북부평야지에서 조생종은 5월 10일에서 5월 30일까지 이앙시 품질의 차이는 크지 않았으나 만기 이앙인 6월 10일 이앙에서 현미 품질이 급격히 저하되었다. 특히 중만생종은 현미 품질이 매우 낮아 재배는 권장할 수 없었다. 최근 기후변화나 이상기후 발생 증가에 따른 벼주산지에서 최적 품종 선발 및 이앙시기 재설정으로 재배안정성과 농가소득 향상에 기여할 수 있을 것으로 판단된다. Recent changes in the climate of Korea show that the average rate of temperature increase is above 1.5°C, which is more than twice the global average temperature increase rate of 0.74°C, indicating that the rate of warming here is faster than that in other regions. These rapid climate changes demand a response strategy that include the development of adaptive varieties and cultivation techniques in agricultural ecosystems. The major rice producing regions of Gangwon-do are diverse and located in the central plains, northern plains, and east coast. To obtain the basic data necessary for resetting the cultivation methods to adapt to climate change, the yield quantity and yield components of rice were analyzed based on different ecological types and their transplanting period. In the central plain, the yield of early and middle maturing varieties increased with the increase in average temperature. The yields were not stable for the high-quality cultivation of mid-late varieties. However, the temperature rise did not affect the yields of the early, middle, and mid-late maturing varieties in the east coast region. In the central and northern plains, cultivation stability was confirmed only for the early varieties. Therefore, cultivation of the middle and mid-late varieties is not recommended for high-quality rice production and maintaining cultivation-stability. In the climate change scenario, quality and stability of cultivation are the priority factors that must be considered in rice cultivation areas.
Mycobacterium bovis에 의한 소 및 사슴 결핵의 폐 병리조직학적 소견 비교연구
진영화,노인순,이경현,이경우,조윤상,주이석,Jean, Young Hwa,Roh, In Soon,Lee, Kyung Hyun,Lee, Kyung Woo,Cho, Yoon Sang,Joo, Yi Seok 대한수의학회 2008 大韓獸醫學會誌 Vol.48 No.2
Comparative studies of histopathologic lesions from 23 purified protein derivative (PPD) positive cattle, 21 slaughter cattle found with tuberculosis, and 11 tuberculosis-positive elk (Cervus elaphus) were performed. PPD positive cattle did not show specific histopathologic lesions in all 23 heads that were no visible lesion reactor. Slaughter cattle found with tuberculosis revealed microscopically classical granulomatous lesion (tubercle) with central caseous necrosis surrounded by mantle of epithelioid cells and Langhan's giant cells capsuled by connective tissue in lung. Elk was noted with some different lesion patterns with classical granulomatous lesion and suppurative abscesses that was composed of fibrin, degenerated cells without having connective tissue. In addition, many Langhan's giant cells infiltration in alveoli at peripheral lesion were observed in some cases of classical granulomatous lesion and suppurative abscesses.
뇌과학 교육을 위한 뇌교육 계발에 관한 소고 : OECD-CERI의 뇌과학 포럼과 뇌과학 교육을 중심으로
김현수(Kim Hyun-soo),조윤상(Cho Yoon-sang) 韓國精神科學學會 2011 한국정신과학회 학술대회 논문집 Vol.34 No.-
본 연구는 뇌과학과 교육문제를 다루었으며, 뇌과학 연구에서 교육정책과 그 실행에 대한 암시와 뇌 메커니즘과 유아기학습, 뇌메커니즘과 청년기학습, 뇌메커니즘과 노년기학습 등을 고수준포럼으로 제시한 New York · Granada · Tokyo 등에서의 OECD-CERI의 내용을 중심으로 연구하였다. 구성내용은 뇌과학 연구프로젝트, 뇌과학 연구 상의 교육현장 연구과제, 뇌과학과 교육의 국제교육 프로그램과 프로젝트, 지력의 육성과 다중지능, 뇌과학, 뇌발달과 학습력, 피문학 등을 밝혔다 The central theme of the study focus on Brain Science and Education. Brain mechanism and learning method in childhood, young age, adolescence and old age that were researched in Brain Science Forum in OECD-CERI in New York, Granada and Tokyo are proposed in this study. Contents: Brain Science Study Project, Usage practically Brain Science in Educational Site, Worldwide Conference of Brain Science, Mental Capacity Advancement, Brain Science and Multiple Intelligence and Brain Science connected with Dermatoglyphics.