نتایج جستجو برای: compound parabolic concentrators cpcs
تعداد نتایج: 148359 فیلتر نتایج به سال:
This work addresses the methodology to determine exact concentration ratio (CR) for a parabolic solar concentrator (PSC) using thermographic imaging. The value of CR is commonly given in terms area receiver and not image produced by on surface. With analysis, it possible know real generated PSC receiver, which helps have precise calculation CR. It important measure only manufacturing purposes b...
This paper discusses the effect of jet impingement of water on a photovoltaic thermal (PVT) collector and compound parabolic concentrators (CPC) on electrical efficiency, thermal efficiency and power production of a PVT system. A prototype of a PVT solar water collector installed with a jet impingement and CPC has been designed, fabricated and experimentally investigated. The efficiency of the ...
The technical feasibility, mechanisms, and performance of degradation of aqueous diuron (22 mg/L) have been studied at pilot scale in two well-defined photocatalytic systems of special interest because natural UV light can be used: heterogeneous photocatalysis with titanium dioxide and homogeneous photocatalysis by photo-Fenton. Equivalent pilot-scale (made up of Compound Parabolic Collectors (...
Simulation study of a solar adsorption refrigeration system using a wing type compound parabolic concentrator (CPC) is presented. The system consists of the wing type collector set at optimum angles, adsorption bed, a condenser and a refrigerator. The wing type collector captures the solar energy efficiently in the morning and afternoon and provides the effective temperature for a longer period...
abstract compound is a word-formation process that are made two free morpheme (independent) and forms a new word with a new meaning that consists of meaning of both two component of compound. avestan language is one of the ancient iranian languages that is one of the indo-iranian languages. indo-iranian languages is one branch of indo-european languages. structure of compound noun and adjectiv...
IMPORTANCE Whether sex-specific chest pain characteristics (CPCs) would allow physicians in the emergency department to differentiate women with acute myocardial infarction (AMI) from women with other causes of acute chest pain more accurately remains unknown. OBJECTIVE To improve the management of suspected AMI in women by exploring sex-specific CPCs. DESIGN, SETTING, AND PARTICIPANTS From A...
BACKGROUND Cardiac progenitor cells (CPCs) possess the insulin-like growth factor-1 (IGF-1)-IGF-1 receptor system, and IGF-1 can be tethered to self-assembling peptide nanofibers (NF-IGF-1), leading to prolonged release of this growth factor to the myocardium. Therefore, we tested whether local injection of clonogenic CPCs and NF-IGF-1 potentiates the activation and differentiation of delivered...
BACKGROUND Capillary pericytes (cPCs), the mural cells of microvessels, play an important role in the formation and maintenance of microvessels; however, little is known about the mechanisms of how cPCs regulate angiogenesis. To identify factors that modulate cPC function, genes whose levels were altered in cPCs during neovessel formation were identified through a microarray screen. METHODS A...
Cardiac progenitor cells (CPCs) have the capacity to differentiate into cardiomyocytes, smooth muscle cells (SMC), and endothelial cells and hold great promise in cell therapy against heart disease. Among various methods to isolate CPCs, differentiation of embryonic stem cell (ESC) into CPCs attracts great attention in the field since ESCs can provide unlimited cell source. As a result, numerou...
BACKGROUND Administration of cardiac progenitor cells (CPCs) 4 hours after reperfusion ameliorates left ventricular function in rats with acute myocardial infarction (MI). Clinically, however, this approach is not feasible, because expansion of autologous CPCs after acute MI requires several weeks. Therefore, we sought to determine whether CPCs are beneficial in the more clinically relevant set...
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