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환경적 변화에 대응 가능한 그린인프라스트럭처 사례연구 -도심 우수처리시설을 중심으로-
황채은(Hwang, Chae-Eun),김희근(Kim, Hee-Keun) 대한건축학회 2024 대한건축학회 학술발표대회 논문집 Vol.44 No.1
Currently, cities have faced rapid climate change worldwide due to the effects of rapid industrialization and urbanization. In Korea, where storm and flood damage accounts for more than 90% of natural disaster damage, damage is occurring intensively in urban areas. As a solution to this, the necessity of securing a rain water reservoir capable of storing rainwater in the city center is being discussed, but it is difficult to secure space in urban areas. However, it is used as basic data for the construction of stormwater treatment facilities in the urban area in the future, and the purpose of the study is to examine the value of a facility that responds to environmental changes through domestic and foreign case analysis.
한미애,한혜진,정문희,유림환,황채은,명수현,손윤진,윤영실,이철균,Han, Mi-Ae,Han, Hye Jin,Jung, Moon Hee,Yoo, Rim Hwan,Hwang, Chae Eun,Myung, Su Hyun,Son, Yun Jin,Yoon, Young-Sil,Lee, Choul-Gyun 한국해양바이오학회 2014 한국해양바이오학회지 Vol.6 No.2
Ultraviolet-B radiation (UV-B) in sunlight causes biological damages such as erythema and blister on skin. Microalgae have been in the limelight as an attractive feedstock for manufacturing functional materials. This study focused on screening microalga with protection ability against UV-B. The microalgae were isolated from local areas on April to June 2013 as well as June 2014. The cells were grown under continuous illumination from fluorescent lamps at $136.3{\pm}2.2{\mu}E/m^2/s$ in BG-11 medium at $15^{\circ}C$ for 12-14 days. The selected cells were spread on BG-11 agar and were exposed to UV-B (312 nm) for 20 and 25 minutes. The 13 strains among selected algae were classified. Among these, 9 strains were Scenedesmus sp. and the remains were Chlorella sp. Based on this study, it seems that Scenedesmus sp. and Chlorella sp. have resistibility against ultraviolet. These results will help to study on UV protection using microalgae.
완효형 Etofenprox 제재의 목화진딧물에 대한 살충효과
채시라(Si-Ra Chae),황채은(Chae-Eun Hwang),서미자(Mi-Ja Seo),유용만(Yong-Man Yu),윤영남(Young-Nam Youn) 충남대학교 농업과학연구소 2010 농업과학연구 Vol.37 No.3
For the development of more effective insecticides for aphids, including the cotton aphid, Aphis gossypii Glover, control released insecticides were developed and tested as new type of formulation for the cotton aphid. Etofenprox is a target-of-control-released formulation that is toxic to insects with piercing-sucking type mouths including aphids and hoppers. The insecticidal effect of etofenprox is distinguished among others; however, continuance period of the effect of insecticide is shorter than other insecticides. In addition, the control effect of control released etofenprox on the cotton aphid was examined. The results show that control released etofenprox induced no control effects to the cotton aphid within 5 days of treatment. The cotton aphid's population was increased, and their reproduction rate was also high. However, control effect was shown to have very low levels 7 days after treatment, and it increased to higher effect. It is supposed that it is possible to control the cotton aphid using the type of control released etofenprox with a kitosan carrier. It is necessary to develop a more effective carrier type to release more of the insecticidal ingredient on the leaf after spraying.
지능형 IoE 플랫폼을 위한 Nools 기반 룰 엔진의 설계 및 구현
이성훈(Sung-Hun Lee),황채은(Chae-Eun Hwang),정진우(Jin-Woo Jeong) 한국정보전자통신기술학회 2018 한국정보전자통신기술학회논문지 Vol.11 No.4
IoT 생태계가 다양한 사용자들에 의하여 폭넓게 사용되기 위해서는 디바이스, 플랫폼과 사용자와의 상호작용 및 이에 대한 사용자 경험이 향상되어야 한다. 본 연구에서는 사용자들이 IoE (Internet of Everything) 플랫폼에서 디바이스와 서비스들을 보다 효과적으로 사용할 수 있도록 지원하기 위한 웹 기반 룰 엔진 시스템을 제안한다. 제안하는 시스템은 센서, 액추에이터, 외부 서비스 기반의 규칙 기반 시나리오를 직관적으로 생성하고 관리하기 위한 웹 인터페이스 및 UI 컴포넌트와 이를 통하여 생성된 규칙들을 Nools 룰 엔진에 적합하게 자동으로 변환하고 관리하기 위한 룰 관리 모듈로 구성되어 있다. 마지막으로, 본 논문에서는 각종 IoT 디바이스와 외부 서비스들의 룰 기반 응용 시나리오 동작 시연을 통하여 제안하는 시스템의 활용 가능성과 유용성을 보였다. In order to make the IoT ecosystem more usable and friendly to general users, the interaction between the users and platforms/devices and its UX must be improved. In this study, a web-based rule engine system to help users intuitively interact with the various devices and services in IoE (Internet of Everything) platform is proposed. The proposed system consists of web interfaces and UI components for creating and managing rule-based scenarios using sensors, actuators, and external services in an intuitive way. Also, a rule management module for automatically translating the rules from the web interface into Nools rule engine compatible ones is proposed. Finally, we show the usability and feasibility of the proposed system by demonstration of rule-based use cases of IoT devices and external services.