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조희욱,하야시 마사카즈,Hee-Wook Cho,Masakazu Hayashi Korean Society of Applied Entomology 2023 한국응용곤충학회지 Vol.62 No.2
한반도 분포 여부가 불확실했던 뿌리잎벌레류 Sominella Jacobson, 1908 속이 북한산 S. macrocnemia (Fischer von Waldheim, 1824) 표본의 발견으로 분포가 확인되었다. 이 종의 표본사진, 진단형질 및 한반도 분포지도를 제공하였다. This paper presents the confirmed occurrence of the reed beetle genus Sominella Jacobson, 1908 in North Korea, based on a specimen of S. macrocnemia (Fischer von Waldheim, 1824). Photographs of the habitus, main diagnostic characters, and a distribution map in Korea are provided.
볼트 체결부 해석 방법론 최적화를 통한 체결 주요인자 영향성 연구
이준하(Joon Ha Lee),조종래(Jong Rae Cho),조희욱(Hee Wook Cho),강주연(Joo Youn Kang),김문성(Moon Sung Kim) 한국자동차공학회 2022 한국자동차공학회 부문종합 학술대회 Vol.2022 No.6
In order for promotion the fastening robustness on early stage of development for all joints of automobile, optimization of FEA methodology of bolted joint should be needed. This paper describes the process of developing optimization of all kinds of FEA methodology for bolted joint and the result and comparison of each methodology on a representative joint design. In addition to FEA optimization, various key factors on joint tightening are quantitatively studied by utilizing this optimized FEA methodology.
학술 논문 : 차량 개발 단계의 친환경설계 프로세스에 대한 연구
권재수 ( Jae Soo Gwon ),이준하 ( Joon Ha Lee ),홍성준 ( Sung Joon Hong ),조희욱 ( Hee Wook Cho ),홍병권 ( Byoeng Kwon Hong ),홍존희 ( John Hee Hong ) 한국전과정평가학회 2011 한국전과정평가학회지 Vol.12 No.1
Recently the environmental regulations require automobile makers not only to set up the open loop resource recycling system by promoting the material recycling and remanufacturing in disposal phase, hut also to apply Eco-design to their products in design phase. Hyundai Motor Group applies DfD(Design for Disassembly) and DfR(Design for Recycling) from conceptual design stage to production stage with the aspect of concurrent engineering. Eco-design guideline helps engineering designers to understand the necessity of Eco-design. The recyclability check sheets that include detailed design ideas classified by the polymer parts enable each designer to verify the product design by oneself. Furthermore, virtual recyclability inspection is performed in the digital product inspection stage which handles the virtual 3D modeling of products. All these activities became the official procedure in product development process. The DOROSY(Design fOr Recycling Optimizing SYstem) which is developed to help designers evaluate and modify their 3D design to generate the redesign alternatives and finally analyze the effect of environmental design change within a short time. Because DOROSY is based in CATIA which is familiar to engineering designers using the parametric designed template, engineering designer can apply the Eco-friendly idea to product design efficiently.
길안천(경북 안동)의 저서성대형무척추동물 군집변동 및 생물학적 수질평가
조희욱,김경호,노상은,박진영,서을원,이종은 7개 국립대학교 환경연구 논문집 공동발행 위원회 2004 공업기술연구 Vol.4 No.-
A biological assessment of water quality was carried out in Giran stream from May 203 to January 2004. The benthic macroinvertebrates collected seasonally from 5 field sites were identified mostly up to species level. The benthic macroinvertebrates collected from the surveyed sites were composed of 88 species, 68 genera,42 families, 14 orders, 5 class and 4 phyla. The dominance index (DI) showed the high-est as 0.802 at site 5 and the lowest as 1.643 at site 3. Ecological score of benthic macroinvertebrate (ESB) showed the highest as 103 at site 2 and the lowest as 63 at site 3. All surveyed sites were Oligosaprobic that the water quality estimated by ecological score of benthic macroinvertebratc community.
덕유산 국립공원 저서성대형무척추동물의 군집변동 및 생물학적 수질평가
이영미,노상은,조희욱,이종은 7개 국립대학교 환경연구논문집 공동발행 위원회 2005 공업기술연구 Vol.5 No.-
A biological assessment of water quality was carried out in Deogyusan National Park from April 2005 to August 2005. The benthic macroinvertebrates collected seasonally from 5 field sites were identified mostly up to species level. The benthic macroinvertebrates collected from the surveyed sites were composed of 105 species, 74 genera, 46 families, 12 orders, 4 classes and 3 phyla. Dominant species occurring in all the surveyed sites was white color Chironomus sp. of Diptera. The dominance index(DI) showed the highest as 0.666 at site 3 and the lowest as o.388 at site 5. The species diversity index(H') showed the highest as 3.998 at site 5 and the lowest as 2.752 at site 3. Ecological score of benthic macroinvertebrate(ESB) Showed the highest as 199 at site 5 and the lowest as 149 at site 3. All surveyed sites were Oligosaprobic that the water quality estimated by ecological score of benethic macroinvertebrate community