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고주파스핀들을 이용한 박판 알루미늄합금소재(Al5052-H32)의 마찰교반접합에 의한 용접성 평가
주영환(Young-Hwan Joo),박영찬(Young-Chan Park),이용문(Yong-Moon Lee),김광호(Kwang-Ho Kim),강명창(Myung Chang Kang) 한국기계가공학회 2017 한국기계가공학회지 Vol.16 No.1
Recently, smaller and lighter products have become of interest in industry applications that increasingly demand thin plate joints of thickness 1.0 mm or less using friction stir welding. In this study, high frequency spindles that run at 3,500–6,500 rpm are introduced for thin friction stir-welded plates. Weldability tests are performed for the butt-joint method of Al5052-H32 alloy of 1.0 mm thickness under 3,500–6,500 rpm spindle revolution with 250–400 mm/min feed speed. An optical microscope was used to analyze the bid structure of the welded zone and stir zone. The tensile-strength and hardness of the welded zone were then measured.
이경환(Kyong-Hwan Lee),주영환(Young-Hwan Joo) 한국여행학회 2003 여행학연구 Vol.18 No.-
There has been no specific tourism product in bound for thosedays in spite of that it had so much time to research and development, especially for the experience tourism which are based on culture and environment Now, the theme of beauty & health rise the new issue in field of whole industry and it is time to rise issue as a new alternative in - bound experienced travel which are combined with beauty & health. Therefore, on this study, we can know concept and characteristics of beauty & health tourism and look over the scope of beauty & health resources, and more could forecast possibility of travel merchandizing in field of beauty & health
이경환(Kyoung Hwan Lee),주영환(Young Hwan Joo) 한국관광연구학회 2005 관광연구저널 Vol.19 No.2
There has been no specific tourism product in bound for thosedays in spite of that it had so much time to research and development, especially for the experience tourism which are based on culture and environment. Now, the theme of beauty & health rise the new issue in field of whole industry and it is time to rise issue as a new alternative in-bound experienced travel which are combined with beauty & health. Therefore, on this study, we can know concept and characteristics of beauty & health tourism and look over the scope of beauty & health resources, and more could forecast possibility of travel merchandizing in field of beauty & health.
최종욱,김상운,김창균,이찬근,주영환,Choi, Jong-Wook,Kim, Sang-Woon,Kim, Chang-Gyuen,Lee, Chan-Geun,Joo, Young-Hwan 해양환경안전학회 2013 해양환경안전학회지 Vol.19 No.4
본 연구의 목적은 해양오염 방제작업에 필요한 각종 정보를 시간과 장소에 구애 없이 손쉽게 이용할 수 있도록 2012년에 해양경찰청에서 개발한 모바일용 해양오염대응정보시스템을 소개하고 그 기능을 구현하는데 있다. 본 시스템은 우리나라에서 많이 사용하고 있는 Android와 iOS 운영체제를 기반으로 하고 모바일앱 기술과 모바일웹 기술을 결합한 하이브리드앱 형식으로 개발하였다. 이용 가능한 기능은 물질정보, 방제방법, 대응기술, QR스캔, 자원봉사 등 5개의 모바일 앱과 기상정보, 대응장비, 방제자재, SNS 등 4개의 모바일 웹으로 총 9개 구성하였다. The objective of this paper is to introduce on a mobile APP called MAMIS(Marine pollution Accident response Mobile Information System) and it's functions. MAMIS was developed by Korea Coast Guard for marine pollution responder in 2012. Users can get information on marine pollution response easily without being restricted by time and place. MAMIS can be operated by smart phones with Android OS and iOS, both of which are the most popular mobile operating systems in Korea. And it has been developed in the form of hybrid APP which combined the functions of mobile APP and mobile WEB. MAMIS is composed of 9 menus, 5 mobile-based ones and 4 web-based ones. The mobile-based menus are on substance information, clean-up skills, response measures, QR code scanning, and volunteer's safety, and the web-based ones on weather information, response equipment, clean-up materials, and SNS.