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Reddy, G.U.,Oshima, M.,Nishino, N. Asian Australasian Association of Animal Productio 1992 Animal Bioscience Vol.5 No.2
Italian ryegrass (Lolium multiflorum Lam.) was fractionated into leaf nutrient concentrate, fiber and deproteinised juice (DPJ). The fresh and fermented DPJs were concentrated and referred to as fresh deproteinised juice concentrate (FDPJC) and fermented deprotenised juice concentrate (FMTD DPJC). The FDPJC and FMTD DPJC were separately mixed with dried fiber and ensiled. Wilted crop silage and fresh fiber silage were also prepared from the same material crop. The nutritive value of these four silages were compared using four goats by $4{\times}4$ Latin square design. Green crop fractionation resulted lesser amount of crude protein and ash, and higher amount of neurtal detergent fiber, acid detergent fiber, cellulose and hemicellulose in fresh fiber. The pH of fresh fiber silage was lower than that of the other silages. Addition of FDPJC or FMTD DPJC to the dried fiber at ensiling did not improve the silage qualities; but all the silages were satisfactorily preserved. Goats fed these silages showed similar ruminal pH and total volatile fatty acid concentrations. But addition of FMTD DPJC was effective on increasing ruminal acetic acid concentration reducing propionic acid concentration. Ruminal n- and iso- butyric acid concentrations were proportional to that of propionic acid. High ammonia content of the silage containing FMTD DPJC was reflected to the ruminal ammonia concentration, urinary nitrogen excretion and serum urea level of goats. Inclusion of FDPJC or FMTD DPJC added 15 to 25% dry matter to the fiber silages with a little reduction in the digestibilities of most components of the silages.
Preparation of IrO2 Thin Films by MOCVD Using Ir(EtCp)(CHD)
H. Fujisawa,S. Watari,H. Niu,M. Shimizu,N. Oshima 한국물리학회 2005 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.46 No.1
We report on MOCVD of IrO2 thin lms by using liquid Ir precursor, Ir(EtCp)(CHD). IrO2 lms were successfully grown on SiO2/Si, Ti/SiO2/Si and Pb(Zr,Ti)O3/Pt/SiO2/Si at 400C and oxygen concentration of as high as 77 %. IrO2 lms prepared on SiO2/Si with and without surfaceoxidizedIr seeds exhibited an electrical resistivity of 103 cm, and a root-mean-square surface roughness of 5 nm. IrO2 lms showed step coverages of 40-50%on SiO2-stepped substrate with L/S (line and space) of 0.7/3.6 and 1.4/2.9 m.
연료전지 촉매층 내부의 물의 거동 예측에 대한 물 분자모델의 분자동역학적 평가
김영민(Y.M. Kim),야구치 히사오(H. Yaguchi),오시마 노부유키(N. Oshima) 한국전산유체공학회 2014 한국전산유체공학회 학술대회논문집 Vol.2014 No.11
Nanoscopic problems on the cathode catalyst layer in proton exchange membrane fuel cells are highly important to evaluate the performance of the devices. The aim of this work is to suggest a proper potential model for molecular dynamics simulation to deal with this problem. Four potential models TIP3P, TIP4P, TIP5P and NvE model are numerically validated and compared with experimentation. The NvE model shows good agreement with measurement, while it is the time-consuming model. This research is carrying out a complex system which describes the simplified cathode catalyst layer by applying the NvE model.