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조수연(Su Yeon Jo),최수현(Su Hyeon Choi),임지영(Ji Young Im),홍성철(Sung Chul Hong),이종대(Jong Dae Lee),양원호(Won Ho Yang),손부순(Bu Soon Son) 한국실내환경학회 2011 한국실내환경학회지 Vol.8 No.3
We measured indoor, outdoor, and personal exposure concentrations of ozone (O₃) at 54 households in Gwangyang from June to September, 2009. The results are as follows. The concentration of ozone in outdoor, 16.53±5.72 ppb, was observed two times higher than the concentration of ozone in indoor, 8.22±4.60 ppb. The similar arithmetic average ozone were obtained in exposed and controlled areas, 15.16±1.45 ppb and 15.25±1.94 ppb, respectively. The ozone concentration of an individual smoker was 24.89±7.11 ppb, which was higher than that of a non-smoker, 21.01±11.79 ppb. The indoor occupant density elevated ozone concentrations. The relatively low concentration of ozone was observed in a house with air conditioner (8.59±4.04 ppb) than a house without the unit(10.07±6.43 ppb).
나무이야기 - 조경수의 다양한 활용(10) - 나무의 결실
조수연,Jo, Su-Yeon 한국조경수협회 2009 造景樹 Vol.113 No.-
길을 걷다보면 간혹 바닥에 떨어져 있는 은행을 만나기도 하고(도시에서는 이미 누군가의 발에 밟혀서 뭉개져 있기 십상이지만), 몇 개 아슬아슬 남겨져 있는 감이 담장 너머로 보이기도 하는 요즘이다. 나무가 열매로 자신의 결실을 보이는 가을. 물론 잡지가 발간되었을 지금은 가을이라기보다는 겨울이라는 느낌이 강하겠지만, 원고를 위해 사진을 찍던 11월 말은 늦가을의 느낌이 더 강했던 시기였다. 가을은 때론 쓸쓸하고, 때론 아름답고, 가끔은 처연(凄然)하지만, 강한 인상에 비해 그 기간은 매우 짧아서 금세 기억에서 잊혀진다. 여름이나 겨울처럼 강렬하지 못하기 때문일까. 곧 더 추운 겨울이 닥칠 것이다. 12월이면 지난 1년을 되돌아 보아야할 때다. 올 한해의 결실을 점검하구 내년도의 목표를 세우는 시기. 과연 여러분들은 어떠한 결실을 이루었다고 생각하시는지.
움직임 요소 중심의 주제표현 수업을 위한 초등학교 블렌디드 러닝 사례연구
조수연 ( Su Yeon Jo ),이정연 ( Jeong Yeon Lee ) 대한무용학회 2021 대한무용학회논문집 Vol.79 No.3
This study aims to develop a subject expression class program using blended learning and apply it to the sixth-grade elementary school class to derive its effectiveness around four motion elements (body, space, effort, relationship). As a result, first, students recognized body parts in various ways, and learned how to express themselves appropriately using the recognized body parts. Second, students learned to properly utilize spaces that span heights and widths to suit the subject, or creatively utilize movements in different directions to express the body. Third, the dynamic energy of movement increased, and the confidence and enjoyment of expression activity classes improved. Fourth, students learned how to express topics by utilizing visual effects using objects or people and smart devices. Furthermore, students naturally improved how to utilize smart devices(smart phone etc.). In addition, through cooperation with friends, it had a positive influence on creating a positive friendship and a class atmosphere.
자동차 전장 시스템에서 주기 및 비주기 태스크를 위한 실시간 스케줄링
조수연,김남진,이은령,김재영,김주만,Jo, Su-Yeon,Kim, Nam-Jin,Lee, Eun-Ryung,Kim, Jae-Young,Kim, Joo-Man 대한임베디드공학회 2011 대한임베디드공학회논문지 Vol.6 No.2
We propose power-saving real-time scheduling method for mixed task sets which consist of both time-based periodic and event-based aperiodic tasks in the automotive operating system. In this system, we have to pursue maximization of power-saving using the slack time estimation and minimization of response time of aperiodic tasks simultaneously. However, since these two goals conflict each other, one has to make a compromise between them according to the given application domain. In this paper, we find the adjustment factor which gives better response time of aperiodic tasks with slight power consumption increase. The adjustment factor denotes the gravity of response time for aperiodic tasks. We apply the ccEDF scheduling for time-based periodic tasks and then calculate new utilization to be applied to the adjustment factor. In this paper, we suggest the lccEDF algorithm to make a tradeoff between the two goals by systematically adjusting the factor. Simulation results show that our approach is excellent for variety of task sets.