نتایج جستجو برای: zenith

تعداد نتایج: 2358  

1998
Serguey PETCOV

The characteristic features of the neutrino oscillation length resonance, taking place in the ν2 → νe and νμ → νe (νe → νμ(τ)) transitions in the Earth of the solar and atmospheric neutrinos crossing the Earth core, are reviewed. The resonance enhances dramatically these transitions at small mixing angles but differs from the MSW one. It can be responsible, e.g., for the small excess of e−like ...

Journal: :Applied optics 2002
Xiaobing Zheng Tommy Dickey Grace Chang

In situ time-series measurements of spectral diffuse downwelling irradiance from the Bermuda Testbed Mooring are presented. Averaged diffuse attenuation coefficients of downwelling irradiance, Kd,and their elastic and inelastic components are investigated at seven wavelengths. At shorter wavelengths (<510 nm), Kd is weakly dependent on the solar zenith angle owing to the prevailing scattering e...

Journal: :The American Historical Review 1963

Journal: :Journal of Geophysical Research: Space Physics 2011

2007
Mario Castelán Ana J. Almazán-Delfín Marco I. Ramírez-Sosa Morán Luz Abril Torres-Méndez

We present a method for recovering facial shape using an image of a face and a reference model. The zenith angle of the surface normal is recovered directly from the intensities of the image. The azimuth angle of the reference model is then combined with the calculated zenith angle in order to get a new field of surface normals. After integration of the needle map, the recovered surface has the...

2016
YiBin Yao YuFeng Hu Chen Yu Bao Zhang JianJian Guo

Journal: :Annals of vascular surgery 2009
Kamaldeep S Heyer Scott A Resnick Jon S Matsumura Daniel Amaranto Mark K Eskandari

A completely percutaneous approach to infrarenal abdominal aortic aneurysm (AAA) endografting has the theoretic benefits of being minimally invasive and more expedient. Our goal was to demonstrate the utility of this approach using a suprarenal fixation device and a suture-mediated closure system. We conducted a single-institution, retrospective review of 14 patients who underwent percutaneous ...

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