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The efficacy of ethanedinitrile to control wood related insect pests
Mingoo Park,Kijong Cho,Byungho Lee,Sungho Chun,Bokyung Sung 한국응용곤충학회 2009 한국응용곤충학회 학술대회논문집 Vol.2009 No.10
Methyl bromide (MeBr) which is widely used in most of the countries for quarantine purpose, has been designated and under control as ozone depleting substance. This study is on the toxicity of ethanedinitrile as a MeBr alternative to control several wood-related insect pests. LC50 value of Ethanedinitrile(EDN) for Reticulitemes speratus, Tomicus piniperda adults at 21℃ was 0.26, 4.83 mg/L respectively. LC99 value of EDN for R. speratus at open status and closed wooden cubes was 0.65, 0.62 mg/L respectively, whereas MB was 13.96, 31.10 mg/L, which means that the toxicity of EDN for R. spratus is greater and EDN penetrates better into wood as compared with MB. The morality of EDN 20.3 mg/L(6hr) at 25℃ for Crytogenius lutats in wood was 90.3% in larvae, 58.6% in pupae and 89.5% in adults, which means that pupae were more resistant than larvae and adult. All stages of C. lutats were disinfected with EDN at or more than 29.9.mg/L, 6hr(CT product 89 mg hr/L) at 25℃. In sorption and application test, CT product of EDN 50 g/㎥(6hr) was 157 g hr/㎥ in the conditions of 21% wood moisture content with 25% loading, 171 g hr/㎥ in 54% wood moisture content with 25% loading and 158 g hr/㎥ in 54% wood moisture content with 50% loading, respectively. In all treatments, adults of Cryphalus fulvus and R. speratus were completely killed. The minimal CT product (158 g hr/m3) of 6hrs treatment was higher than CT product to disinfect C. lutats (89 mg hr/L). It is expected that it can be used as alternative fumigant of MeBr for woods.
혈액관리 시스템을 위한 센서 네트워크 기술에 대한 연구
이민구(Mingoo Lee),강정훈(Junghoon Kang),임호정(Hojung Lim),윤명현(Myunghyun Yoon),유준재(Junjae Yoo) 대한전기학회 2006 정보 및 제어 심포지엄 논문집 Vol.2006 No.1
This whitepaper is a research about the sensor network techNoogy which enhance the performance of the blood management system. The problem of measuring and monitoring the real time temperature of a every point in a limited environment let us to develop a system which is able to monitor the temperature of a remote area using multi-hop networking techNoogy. This whitepaper propose the error correction techNoogies. which were used to eliminate problems that might occur during real tests of the system.
XR 콘텐츠 UI/UX 평가를 위한 VR 스마트 팩토리 교육훈련 콘텐츠 제작
이영우(YoungWoo Lee),임익수(EekSu Leem),이수민(Su Min LEE),김현식(Hyun Sik Kim),강민구(Mingoo Kang),이창교(Chang-kyo Lee),서정욱(Jeongwook Seo) 한국정보통신학회 2021 한국정보통신학회 종합학술대회 논문집 Vol.25 No.2
이 논문에서는 제조 분야에 디지털 트윈 기반 XR 콘텐츠의 UX/UI 디자인 및 사용성 평가를 위하여 범용적인 콘텐츠 소프트웨어와 달리, HDM의 의존성이 큰 XR 콘텐츠의 특성을 반영하기 위해, 공정수행작업 시나리오에 맞춘 XR 콘텐츠를 제작하였다. XR 콘텐츠의 공정수행 작업 시나리오를 수행하기 위해 Qculus Quest2라는 HMD장비를 사용하였으며, 콘텐츠 제작은 Unity 엔진[1]과 SteamVR Plugin을 통해 제작되었다. In this paper, VR smart factory XR content tailored to process execution scenarios was produced to reflect the characteristics of XR content, which is highly dependent on HDM, unlike general-purpose content software for UX/UI design and usability evaluation of digital twin-based XR content in manufacturing. HMD equipment called Qculus Quest2 was used to perform the process execution task scenario for XR content, and content production was made through Unity Engine and Steam VR Plugin.