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Forma-Revista d Estudis Comparatius Art Literatura Pensament最新文献

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A Pale View of Shizuo Ishiguro's Research— Abiki, the 1953 North Sea Flood, and Beyond— 论石黑静雄的研究——阿比奇、1953年北海洪水及以后
Forma-Revista d Estudis Comparatius Art Literatura Pensament Pub Date : 2020-01-01 DOI: 10.5047/forma.2020.008
S. Miyazaki
{"title":"A Pale View of Shizuo Ishiguro's Research— Abiki, the 1953 North Sea Flood, and Beyond—","authors":"S. Miyazaki","doi":"10.5047/forma.2020.008","DOIUrl":"https://doi.org/10.5047/forma.2020.008","url":null,"abstract":"","PeriodicalId":43563,"journal":{"name":"Forma-Revista d Estudis Comparatius Art Literatura Pensament","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70593406","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Full-model Finite-element Analysis for Structural Color of Tarsiger cyanurus's Feather Barbs 蓝鲢羽倒刺结构颜色的全模型有限元分析
Forma-Revista d Estudis Comparatius Art Literatura Pensament Pub Date : 2020-01-01 DOI: 10.5047/forma.2020.005
T. Ueta, G. Fujii, G. Morimoto
{"title":"Full-model Finite-element Analysis for Structural Color of Tarsiger cyanurus's Feather Barbs","authors":"T. Ueta, G. Fujii, G. Morimoto","doi":"10.5047/forma.2020.005","DOIUrl":"https://doi.org/10.5047/forma.2020.005","url":null,"abstract":"This paper presents full modeling of the cross-section of a blue feather barb of Tarsiger cyanurus and computed optical properties of the barb by means of finite element simulations. Cross-sectional models of the blue barbs are created based on SEM and TEM observations and are characterized on the basis of the radial sizes and the arrangements of air-pores. Large-scale finite element method is employed in order to investigate reflective properties of a blue feather barb. Measured and computed results show good agreement in the visible wavelength range, when we take into account optical absorption of keratin.","PeriodicalId":43563,"journal":{"name":"Forma-Revista d Estudis Comparatius Art Literatura Pensament","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70592908","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Metallic Right-Triangles 金属直角三角形
Forma-Revista d Estudis Comparatius Art Literatura Pensament Pub Date : 2020-01-01 DOI: 10.5047/forma.2020.007
T. Sugimoto
{"title":"The Metallic Right-Triangles","authors":"T. Sugimoto","doi":"10.5047/forma.2020.007","DOIUrl":"https://doi.org/10.5047/forma.2020.007","url":null,"abstract":"","PeriodicalId":43563,"journal":{"name":"Forma-Revista d Estudis Comparatius Art Literatura Pensament","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70593072","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Stokes Flow around a Hypersphere in n-Dimensional Space and Its Visualization n维空间中绕超球的Stokes流及其可视化
Forma-Revista d Estudis Comparatius Art Literatura Pensament Pub Date : 2019-01-01 DOI: 10.5047/forma.2019.002
T. Yoshino
{"title":"Stokes Flow around a Hypersphere in n-Dimensional Space and Its Visualization","authors":"T. Yoshino","doi":"10.5047/forma.2019.002","DOIUrl":"https://doi.org/10.5047/forma.2019.002","url":null,"abstract":"We derived the Stokes equations and velocity potential around a hyperspherical obstacle in n-dimensional space. The objectives of this study were to understand the hyperspace through the physics in the space and to bring the analytical solution of fluid flow in hyperspace for numerical simulation. The equations were obtained from the n-dimensional Navier-Stokes equation assuming the low Reynolds number flow. These were generalized formulae from a 3-dimensional system to an n-dimensional one. Our results show that the effect of the hyperspherical obstacle on the uniform flow is localized in higher dimensional spaces. We visualized the flow using the collections of hypersections.","PeriodicalId":43563,"journal":{"name":"Forma-Revista d Estudis Comparatius Art Literatura Pensament","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70593266","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Trial on Low-Pass Filter Design for Bio-Signal Based on Nonlinear Analysis 基于非线性分析的生物信号低通滤波器设计试验
Forma-Revista d Estudis Comparatius Art Literatura Pensament Pub Date : 2019-01-01 DOI: 10.5047/forma.2019.003
Toru Tanimura, Yusuke Jono, T. Hirata, Y. Matsuura, H. Takada
{"title":"Trial on Low-Pass Filter Design for Bio-Signal Based on Nonlinear Analysis","authors":"Toru Tanimura, Yusuke Jono, T. Hirata, Y. Matsuura, H. Takada","doi":"10.5047/forma.2019.003","DOIUrl":"https://doi.org/10.5047/forma.2019.003","url":null,"abstract":"The nonlinearity of the mathematical model describing the cerebral blood flow dynamics and the body sway in the prefrontal cortex was investigated experimentally. The measured bio-signal data were smoothed with each low-pass filter. The signal was set to 0.1–2 Hz for the cerebral blood flow dynamics and to 0.1–20 Hz for the body sway. Nonlinearity was observed in the biological signal when the cut-off frequency of the low-pass filtering was 0.2 Hz or less, and while the body sway was 0.5 Hz or less, and was considered as a stochastic differential equations.","PeriodicalId":43563,"journal":{"name":"Forma-Revista d Estudis Comparatius Art Literatura Pensament","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70593282","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Spectroscopy of Hydrogen, Helium, Neon and Mercury Low-Pressure Discharge and a Barcode-like Periodic Table Based on Energy Levels 氢、氦、氖和汞低压放电光谱和基于能级的类似条形码的元素周期表
Forma-Revista d Estudis Comparatius Art Literatura Pensament Pub Date : 2019-01-01 DOI: 10.5047/forma.2019.001
Y. Maeda, S. Miyazaki
{"title":"Spectroscopy of Hydrogen, Helium, Neon and Mercury Low-Pressure Discharge and a Barcode-like Periodic Table Based on Energy Levels","authors":"Y. Maeda, S. Miyazaki","doi":"10.5047/forma.2019.001","DOIUrl":"https://doi.org/10.5047/forma.2019.001","url":null,"abstract":"Strong spectral lines in the visible range are obtained from luminescence generated by low-pressure gas discharge tubes of hydrogen, neon, helium, and mercury. Although the spectrum of neon is complicated at first glance, the energy levels are degenerate and clustered; this means that the level statistics differ from the Wigner surmise, which is closely related to level repulsion and quantum chaos. We present a visualization of the lower 99 energy levels of each atom in a barcode-like periodic table.","PeriodicalId":43563,"journal":{"name":"Forma-Revista d Estudis Comparatius Art Literatura Pensament","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70593224","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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