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하기용,고재권,김영두,김기영,남정권,고종철,김보경,백만기,노광일,노광일,김정곤 한국육종학회 2008 한국육종학회지 Vol.40 No.3
“Dami”is a new japonica rice variety developed and registered by the rice breeding team of Honam Agricultural Research Institute, NICS, RDA in 2006. This variety was derived from a cross between Iksan438 with lodging tolerance and high yield potential, and Iksan426 This variety has about 122 days of growth duration from transplanting to harvesting in Honam and Youngnam plain of Korea. It is about 83 cm in culm length and tolerance to lodging. In reaction to biotic stresses, it shows moderately resistance to blast, and resistance to bacterial blight pathogen races from K1 to K3, but susceptible to other major diseases and insect pests. The milled rice of “ami”has high Quality, midium short grain. The milled rice yield of this variety is about 5.92 MT/ha in local adaptability test for three years. “ami”would be adaptable to Middle plain, Honam plain and Youngnam plain area of Korea.
유비쿼터스 홈네트워크를 위한 LonRF 디바이스 기반의 센서 네트워크 설계 및 응용
노광현,이병복,박애순,Ro Kwang-Hyun,Lee Byung-Bog,Park Ae-Soon 한국융합신호처리학회 2006 융합신호처리학회 논문지 (JISPS) Vol.7 No.3
For realizing an ubiquitous home network(uHome-net), various sensors should be able to be connected to an integrated wire/wireless sensor network. This paper describes an application case of applying LonWorks technology being widely used in control network to wire/wireless sensor network in uHome-net and the design and application of LonRF device that consists of a neuron chip including LonTalk protocol, a 433.92MHz RF transceiver, a sensor, and application programs. As an application example of the LonRF device, the LonRF smart badge that can measure the 3D location of objects in indoor environment and interwork with the uHome-net was developed. LonRF device based home network services were realized on the uHome-net testbed such as indoor positioning service, remote surveillance service and remote metering service were realized. This research shows that LonWorks technology based sensor network could be applicable to the control network in an ubiquitous home network and the LonRF device can be used as a wireless node in various sensor networks. 유비쿼터스 홈네트워크 ( uHome-net) 구현을 위해서는 다양한 센서들이 통합된 유무선 센서 네트워크에 연결될 수 있어야 한다. 본 논문은 제어 네트워크에 널리 사용되고 있는 LonWorks 기술을 uHome-net의 유무선 센서 네트워크에 적용한 사례를 소개하고, LonTalk 프로토콜이 탑재된 뉴런칩, 433.92MHz RF 트랜시버, 센서와 응용 프로그램으로 구성되는 LonRF 디바이스의 설계 및 응용 서비스 구현 결과를 설명한다. LonRF 디바이스의 응용 예로 실내에서 물체의 3차원 좌표를 측정할 수 있고 uHome-net과 연동되는 LonRF 스마트배지를 개발하였다. LonRF 디바이스 기반의 위치인식 서비스, 원격검침서비스, 원격경비서비스 등의 홈네트워크 서비스를 uHome-net 테스트베드에 구현하였다. 본 연구는 LonWorks 기술 기반의 센서 네트워크가 유비쿼터스 홈네트워크의 제어 네트워크로 적용할 수 있고, 개발된 LonRF 디바이스가 센서 네트워크의 무선 노드로 사용될 수 있음을 보였다.
Fe-3Cu-3Ni 조성에 P 를 첨가한 압분체의 합금화 거동 및 소결체의 기계적 특성
노광현,이방식,이도재,류재욱 대한금속재료학회(대한금속학회) 1990 대한금속·재료학회지 Vol.28 No.9
The mechanical properties and alloying behavior of Fe-base compacts were investigated. Fe-P and Cu-P master alloys were used for preparing Fe-3Cu-3Ni-P compacts varying the composition of phosphorus from 0.2 wt% to 0.6 wt%. The compacts were sintered at 1120℃ for various time up to 180 minutes under dried hydrogen atmosphere. Remarkable increase in hardness of sintered compacts was observed by adding the phosphorus, however the tendency and the amount of increase in hardness were different with the type of phosphorus compound used. The compacts which prepared from powder mixture containing Cu-P compound powder showed higher values of sintered hardness than the specimens containing Fe-P compound powder. The dimensional expansion took place at early stage of sintering ; during heating the specimen to sintering temperature. Most of the dimensional expansion was attributed differently by the type of used P-compound ; the penetration of liquid phase between Fe particles for the compacts containint Fe-P compound powder, and the alloying phenomena for the compacts containing Cu-P compound powder during heating and sintering. The added P compound powder formed eutectic alloy during heating and melted at lower temperature than the melting point of P-compound. The liquid phase smeared out to Fe matrix and formed solid solution leaving pore at the site of liquid phase located.
광식각공정 클린룸에서의 기류 및 교차오염에 대한 수치적 연구
노광철(Kwang-Chul Noh),이승철(Seung-Chul Lee),오명도(Myung-Do Oh) 대한기계학회 2003 대한기계학회 춘추학술대회 Vol.2003 No.11
We performed the numerical study on the characteristics of the airflow and cross contamination in<br/> the photolithography process cleanroom. The nonuniformity, the deflection angle and the global cross<br/> contamination were used for analyzing the characteristics and performances of cleanroom. We knew that<br/> the airflow characteristics of the cleanrooms are largely affected by the porosity of panel and the<br/> adjustment of dampers. And the numerical result showed that the global cross contamination varies with<br/> the location of source and the passage of time.