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Song, K.J.,Ko, R.K.,Kim, H.S.,Ha, H.S.,Ha, D.W.,Oh, S.S.,Park, C.,Yoo, S.-I.,Kim, M.W.,Kim, C.J.,Joo, J.H. Institute of Electrical and Electronics Engineers 2007 IEEE transactions on applied superconductivity Vol.17 No.2
<P>The degree of ferromagnetism of Ni-W<SUB>y</SUB> alloys decreases as W-content y increases. Both the saturation magnetization <I>M</I> <SUB>sat</SUB> and Curie temperature <I>T</I> <SUB>c</SUB> decrease linearly with W-content y, and both <I>M</I> <SUB>sat</SUB> and <I>T</I> <SUB>c</SUB> go to zero at critical concentration of y<SUB>c</SUB> ~9.50 at.% W. To compare with Ni-W alloys, the magnetic properties of a series of both as-rolled (non-textured) and annealed (biaxially textured) [Ni<SUB>97at.%</SUB>-W<SUB>3at.%</SUB>]<SUB>100-x</SUB>-Cu<SUB>x</SUB> alloy tapes with compositions x = 0, 1, 3, 5, and 7 at.%, were studied. Characterization methods included XRD analyses to investigate the biaxial texturing of the annealed [Ni-W]-Cu alloy tapes and studies of the magnetization for both as-rolled and annealed [Ni-W]-Cu alloy tapes. Both the isothermal mass magnetizations <I>M</I>(<I>H</I>) of a series of samples at different fixed temperatures and <I>M</I>(<I>T</I>) in fixed field, were measured. The effect of Cu addition on both the saturation magnetization and Curie temperature T<SUB>c</SUB> of the Ni<SUB>97at.%</SUB>-W<SUB>3at.%</SUB> alloy was investigated.</P>
Nam, S.M.,Choi, J.H.,Yoo, D.Y.,Kim, W.,Jung, H.Y.,Kim, J.W.,Kang, S.Y.,Park, J.,Kim, D.W.,Kim, W.J.,Yoon, Y.S.,Hwang, I.K. Pergamon Press ; Elsevier Science Ltd 2013 Experimental Gerontology Vol.48 No.11
Valeriana officinalis is used in herbal medicine of many cultures as mild sedatives and tranquilizers. In this study, we investigated the effects of extract from valerian root extracts and its major component, valerenic acid on memory function, cell proliferation, neuroblast differentiation, serum corticosterone, and lipid peroxidation in adult and aged mice. For the aging model, d-galactose (100mg/kg) was administered subcutaneously to 6-week-old male mice for 10weeks. At 13weeks of age, valerian root extracts (100mg/kg) or valerenic acid (340μg/kg) was administered orally to control and d-galactose-treated mice for 3weeks. The dosage of valerenic acid (340μg/kg), which is the active ingredient of valerian root extract, was determined by the content of valerenic acid in valerian root extract (3.401+/-0.066mg/g) measured by HPLC. The administration of valerian root extract and valerenic acid significantly improved the preferential exploration of new objects in novel object recognition test and the escape latency, swimming speeds, platform crossings, and spatial preference for the target quadrant in Morris water maze test compared to the d-galactose-treated mice. Cell proliferation and neuroblast differentiation were significantly decreased, while serum corticosterone level and lipid peroxidation in hippocampus were significantly increased in the d-galactose-treated group compared to that in the control group. The administration of valerian root extract significantly ameliorated these changes in the dentate gyrus of both control and d-galactose-treated groups. In addition, valerenic acid also mitigated the d-galactose-induced reduction of these changes. These results indicate that valerian root extract and valerenic acid enhance cognitive function, promote cell proliferation and neuroblast differentiation, and reduce serum corticosterone and lipid peroxidation in aged mice.
Spectrogram Approach for Gait Classification using Deep Convolutional Neural Networks
M. D. Nguyen(뉴엔 마우덩),K. R. Mun(문경률),D. W. Jeong(정다운),S. G. Yoo(유성근),H. S. Jeong(정환수),D. G. Shin(신동경),M. Park(박미나),J. Ankhzaya(앙크자야),J. Han(한주인),A. M. Zeeshan(아샤드 무하마드 지샨),J. W. Kim(김진욱) Korean Society for Precision Engineering 2019 한국정밀공학회 학술발표대회 논문집 Vol.2019 No.5월