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김재윤,김경식,김석윤 ( J . Y . Kim,K . S . Kim,S . Y . Kim ) 한국열처리공학회 1996 熱處理工學會誌 Vol.9 No.4
The direct reaction method has been used for the fabrication of Al-Mg/Al₂O₃functionally gradient materials. It was found that the reaction layer of the Al-Mg/Al₂O₃powder compact at 900℃ under air atmosphere led to the formation of reaction layers with varying ceramic phase contents. As the results of experiments by using the TGA system, the characteristics and growth behavior of the reaction layers were affected by the reaction temperature, the gas flow rate, the Mg contents and the Al₂O₃contents.
김재윤,서용원,장철성,D. S. Kim,김대연,J. B. Kim,K-R Kim 한국물리학회 2007 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.50 No.I
Wheat mutants generated from a cultivar ``Geumgangmil"by using a $^{60}$Co source (gamma-ray) were developed for bentazone (3-isopropyl-2,1,3-benzo-thiadiazin-4-one-2,2-dioxide) resistance. Resistant M$_2$ plants were selected from seedlings and adult plants consecutively. Bentazone-resistant wheat plants were able to survive at up to 10 times (1,600 ppm) the commercially recommended concentration. The four plants with the highest bentazone resistance were selected. An AFLP (amplified fragment length polymorphism) analysis was applied to identify molecular markers for bentazone-resistant wheat mutants. Twelve polymorphic products, which were unique to bentazone-resistant plants, were identified, cloned, and sequenced. Among the twelve polymorphic bands, eight Sequence-tagged Sites (STS) primer sets were designed. Only one STS primer set (HRMW-08) was converted a ``Bentazone-resistant wheat-specific" STS marker. The wheat mutants and markers that we obtained could be employed in a cross-breeding program incorporated with marker assisted selection (MAS) in the early stages of population segregation.
김재윤,차근창,한철희,박영신,김호수 한국구조물진단유지관리학회 2011 한국구조물진단학회 학술발표회논문집 Vol.2011 No.9
The stone masonry arch bridges have the behavior characteristics of arch structure. For this reason, the reasonable analysis method is reguired for the structural behavior of stone masonry arch bridges. Therefore, this study performs the mechanical characteristics analysis according to the foundation types of stone masonry arch bridges through the finite element modelling.
A New Record of the Genus Ectopsocus McLachlan, 1899 (Psocodea: Ectopsocidae) from South Korea
김재윤,홍기정,이원훈,Jaeyun Kim,Ki-Jeong Hong,Wonhoon Lee Korean Society of Applied Entomology 2023 한국응용곤충학회지 Vol.62 No.2
The genus Ecopsocus is recorded from Korea for the first time with E. briggsi McLachlen, 1899. This species was collected on southern regions, Geoje-si, Jinju-si, Ulsan-si, and Jeju-do, in Korea. In this study, illustration of diagnostic characters of E. briggsi is provided.
원적외선이 자가면역성 관절염 흰쥐모델의 산화질소정량에 미치는 영향
김재윤,박규현,박영한,김진상,박래준,Kim Jae Yoon,Park Kyu Hyun,Park Young Han,Kim Jin-Sang,Park Rae Joon 대한물리치료학회 2002 대한물리치료학회지 Vol.14 No.2
OBJECTIVE: This study was Far infrared(FIR) irradiating to a rat collagen-induced autoimmune arthritis and observed nitric oxide level of spine. METHODS: Type II collagen(CII) in adjuvant was injected into rats on day 0. The results showed that rats injected with CII plus adjuvant had signs of autoimmune arthritis on day 14. Thereafter, Far infrared(FIR) irradiation was begun on day 15. The rats were irradiated FIR twice per day for 20 min each time. RESULTS: Seven days later(Day 22), the level of NO at FIR irradiated group(FRG; Arth+FIR) was decreased more than FIR-non irradiated group(FNRG; Arth). Twenty-one days later(Day 36), the level of NO at FRG was more closed to the control group's NO level than the FNRG. CONCLUSION: These results indicated that Far infrared irradiating appears to reduce the nitric oxide level at a rat model of autoimmune arthritis induced.