نتایج جستجو برای: plane parallel chamber

تعداد نتایج: 374637  

Journal: :Publications of the Astronomical Society of Japan 2009

Journal: :The Astrophysical Journal 2023

Abstract The Minkowski tensors (MTs) can be used to probe anisotropic signals in a field, and are well suited for measuring the redshift-space distortion (RSD) signal large-scale structure catalogs. We consider how linear RSD extracted from field without resorting plane-parallel approximation. A spherically distorted is both inhomogeneous. derive expressions two-point correlation functions that...

Journal: :Optics letters 2001
B Barkey K N Liou

We report on a small, lightweight polar nephelometer for the measurement of the light-scattering properties of cloud particles, specifically designed for use on a balloonborne platform in cirrus cloud conditions. The instrument consists of 33 fiber-optic light guides positioned in a two-dimensional plane from 5 degrees to 175 degrees that direct the scattered light to photodiode detectors-ampli...

2015
Tatsiana A. Reynolds Patrick Higgins

The purpose of this study was to review application of a consistent correction method for the solid state detectors, such as thermoluminescent dosimeters (chips (cTLD) and powder (pTLD)), optically stimulated detectors (both closed (OSL) and open (eOSL)), and radiochromic (EBT2) and radiographic (EDR2) films. In addition, to compare measured surface dose using an extrapolation ionization chambe...

2005

Parallel lines are very important objects in Euclid plane geometry and its behaviors can be gotten by one's intuition. But in a planar map geometry, a kind of the Smarandache geometries, the situation is complex since it may contains elliptic or hyperbolic points. This paper concentrates on the behaviors of parallel bundles in planar map geometries, a generalization of parallel lines in plane g...

2005
Linfan Mao

Parallel lines are very important objects in Euclid plane geometry and its behaviors can be gotten by one's intuition. But in a planar map geometry, a kind of the Smarandache geometries, the situation is complex since it may contains elliptic or hyperbolic points. This paper concentrates on the behaviors of parallel bundles in planar map geometries, a generalization of parallel lines in plane g...

2016
Sarah-Charlotta Heidorn Nikolaus Kremer Christoph Fürweger

OBJECTIVE To characterize a novel method for field-size quality assurance of a variable approximately circular aperture collimator by means of dose-area product measurements and to validate its practical use over two years of clinical application. METHODS   To assess methodical limitations, we analyze measurement errors due to change in linac output, beam tuning, uncertainty in MU delivery, d...

In this paper, the Elzaki transform method is used for solving two-dimensional (2D) elasticity problems in plane polar coordinates. Airy stress function was used to express the stress compatibility equation as a biharmonic equation. Elzaki transform was applied with respect to the radial coordinate to a modified form of the stress compatibility equation, and the biharmonic equation simplified t...

2014
Jeffrey W. Pavlik Qian Peng Nathan J. Silvernail E. Ercan Alp Michael Y. Hu Jiyong Zhao J. Timothy Sage W. Robert Scheidt

The vibrational spectra of two five-coordinate nitrosyl iron porphyrinates, [Fe(OEP)(NO)] (OEP = dianion of 2,3,7,8,12,13,17,18-octaethylporphyrin) and [Fe(DPIX)(NO)] (DPIX = deuteroporphyrin IX), have been studied by oriented single-crystal nuclear resonance vibrational spectroscopy. Single crystals (both are in the triclinic crystal system) were oriented to give vibrational spectra perpendicu...

2006
J. Matousek J. Kousal H. Biederman D. Slavinska

The plasma polymer films were prepared in the Typical Modular Reactor (TMR). Two modules of this reactor with different geometry were used – parallel plate electrode arrangement and tubular arrangement. The homogeneity in thickness and the same chemical structure were found in the former case in the area of the substrate plane, corresponding to the size of the excitation electrode. In the latte...

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