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Shin Saito,Fumikazu Hoshi,Daiji Hasegawa,Migaku Takahashi 한국자기학회 2002 Journal of Magnetics Vol.7 No.3
We proposed a novel method to evaluate the magnetic properties of the initial layer and the columnar structure separately for CoCr-based perpendicular recording media. We show that the thickness of the initial layer and the intrinsic magnetocrystalline anisotropy of columnar structure can be quantitatively evaluated using the plotted product of perpendicular anisotropy to magnetic film thickness versus magnetic film thickness (K^(exp.)_(u⊥) × d_(mag). vs. d_(mag). plot). Based on the analyses, it is found that: (1) compared with CoCrPtTa media, CoCrPtB media have relatively thin initial layer, and have fine grains with homogeneous columnar structure with c-plane crystallographic orientation; (2) CoCrPtB media can be grown epitaxially on Ru or CoCr/C intermediate layer, and as the result, the magnetic properties of the media within thin thickness region of d_(mag). ≤ 20 ㎚ is significantly improved; (3) the key issue of material investigation for CoCr-based perpendicular recording media will be focused on how to fabricate c-plane-oriented columnar grains well isolated with nonmagnetic substance in epitaxial-growth media, while maintaining the thermal stability of the media.
Hidetomo Saito,Kimio Saito,Yoichi Shimada,Toshiaki Yamamura,Shin Yamada,Takahiro Sato,Koji Nozaka,Hiroaki Kijima,Naohisa Miyakoshi 대한슬관절학회 2018 대한슬관절학회지 Vol.30 No.4
Purpose: High tibial valgus osteotomy (HTO) is a wellestablished surgical procedure for patients with medial compartment osteoarthritis (OA) of the knee. The hybrid closedwedge HTO (CWHTO) procedure permits extensive correction in patients with severe deformities or patellofemoral joint OA. The aim of this study was to report the shortterm results in a consecutive series of patients treated with hybrid CWHTO.Materials and Methods: We retrospectively evaluated the clinical outcomes and radiographic parameters in 29 consecutive knees that underwent hybrid CWTHO to correct medial compartment OA at an average followup of 52.6 months. Clinical outcomes were assessed using the Lysholm score and knee scoring system of the Japanese Orthopedic Association (JOA). The KellgrenLawrence grading system and pre and postoperative mechanical axis (MA), femorotibial angle (FTA), posterior tibial slope, and patella height were assessed.Results: The FTA and MA significantly changed from 180.7° to 170.4° and from 22.0° to 60.2°, respectively. No significant differences were observed between the mean pre and postoperative posterior tibial slope, InsallSalvati ratio, or CatonDeschamps index. The postoperative JOA and Lysholm scores significantly improved from 76.7 to 95.8 and from 58.8 to 90.2, respectively. Conclusions: Satisfactory outcomes can be achieved with hybrid CWHTO in patients with medial OA.
High performance field emission of carbon nanotube film emitters with a triangular shape
Shin, Dong Hoon,Yun, Ki Nam,Jeon, Seok-Gy,Kim, Jung-Il,Saito, Yahachi,Milne, William I.,Lee, Cheol Jin Elsevier 2015 Carbon Vol.89 No.-
<P><B>Abstract</B></P> <P>We report novel two-dimensional (2D) shaped carbon nanotube (CNT) field emitters using triangular-shaped CNT films and their field emission properties. Using the 2D shaped CNT field emitters, we achieved remarkable field emission performance with a high emission current of 22mA (equivalent to an emission current density >10<SUP>5</SUP> A/cm<SUP>2</SUP>) and long-term emission stability at 1mA for 20h. We also discuss the field emission behavior of the 2D shaped CNT field emitter in detail.</P>
Shin, Sangah,Saito, Eiko,Sawada, Norie,Ishihara, Junko,Takachi, Ribeka,Nanri, Akiko,Shimazu, Taichi,Yamaji, Taiki,Iwasaki, Motoki,Sasazuki, Shizuka,Inoue, Manami,Tsugane, Shoichiro,Tsugane, S.,Sawada, Elsevier 2018 Clinical nutrition Vol.37 No.3
<P><B>Summary</B></P> <P><B>Background & aims</B></P> <P>A finding between dietary pattern and cancer may provide visions beyond the assessment of individual foods or nutrients. We examined the influence of dietary pattern with colorectal cancer (CRC) among a Japanese population.</P> <P><B>Methods</B></P> <P>A total of 93,062 subjects (43,591 men, 49,471 women) who participated in the Japan Public Health Center-based Prospective Study were followed from 1995–1998 to the end of 2012, during which 2482 cases of CRC (1514 men, 968 women) were newly identified. Dietary data was obtained from a validated food-frequency questionnaire between 1995 and 1998.</P> <P><B>Results</B></P> <P>Three dietary pattern was derived from principal components factor: prudent, westernized, and traditional pattern. After controlled for potential confounders, the prudent pattern showed a decreased association of CRC risk in men (HR for highest quintile vs lowest: 0.85; 95% CI: 0.72–1.00; <I>P</I> trend <0.05), slightly more strongly with distal colon cancer (<I>P</I> trend <0.05); but an increased risk of rectal cancer in women (<I>P</I> trend <0.05). The westernized pattern showed a significant positive linear trend for colon (<I>P</I> trend <0.05) and distal cancer (<I>P</I> trend <0.05) in women. There was no apparent association of traditional Japanese dietary pattern on the overall or any specific sites risk of CRC.</P> <P><B>Conclusions</B></P> <P>A prudent dietary pattern showed an inverse association with CRC risk in men, and a westernized pattern was related with a higher risk of colon and distal cancer in women.</P>