نتایج جستجو برای: linear parabolic collectors

تعداد نتایج: 502903  

2005
Stoimen Stoimenov Malte Henkel

Conditional and Lie symmetries of semi-linear 1D Schrödinger and diffusion equations are studied if the mass (or the diffusion constant) is considered as an additional variable. In this way, dynamical symmetries of semi-linear Schrödinger equations become related to the parabolic and almost-parabolic subalgebras of a three-dimensional conformal Lie algebra (conf3)C. We consider non-hermitian re...

2017
Yosub Joo Jeongbae Rhie

BACKGROUND This study aimed to identify the emotional labor and workplace violence status among toll collectors by assessing and comparing the same with that in workers in other service occupation. It also aimed to analyze the relationship between emotional labor and workplace violence. METHODS This study examined emotional labor and workplace violence status in 264 female toll collectors fro...

Journal: :Thermal science and engineering progress 2023

A systematic literature review was conducted to investigate the environmental impact of solar thermal power plants in industrial supply chains. number different collectors like parabolic trough (PT), linear Fresnel (LFR), dish (SD) and towers (ST) were considered analysed. The first observation that PT generate lowest level Green House Gas (GHG) emissions, followed by LFR, DT SD plants. There a...

Journal: : 2021

Renewable energy is one of the cleaner generation strategies practiced all over world to reduce environmental impacts and waste based on current sustainability in economic practices. Solar kind renewable sources for different application. The thermal storage system solar least methods research, utilization application attaining higher responses quite possible. In this paper, heat attained by pa...

1999
ANDREAS ČAP C. Fefferman

Parabolic geometries may be considered as curved analogues of the homogeneous spaces G/P where G is a semisimple Lie group and P ⊂ G a parabolic subgroup. Conformal geometries and CR geometries are examples of such structures. We present a uniform description of a calculus, called tractor calculus, based on natural bundles with canonical linear connections for all parabolic geometries. It is sh...

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