Search results for "Generation"

Cogeneration from thermal treatment of selected municipal solid wastes. A stoichiometric model building for the case study on Palermo

2003

This paper aims to calculate the energetic and environmental effects of an integrated solid waste management system in Palermo, Italy. In particular, the thermal treatment of Municipal Solid Waste (MSW) with energy recovery is assessed. The current characterization at the local scale is taken into account. Two different options of collection are taken into account: (1) unselected wastes; and (2) sorted collection, according to the current Italian regulation. Combustion process is analyzed and the following features are calculated: (1) stoichiometric content of air and air excess; and (2) temperature and enthalpy of flue gases. Energy recovery is performed in the hypothesis of Hirn cycle bot…

Two in one against motor neuron degeneration: tackling oxidative stress and inflammation with a sulfasalazine derivative.

2012

Increased p53 mutation load in nontumorous human liver of Wilson disease and hemochromatosis: Oxyradical overload diseases

2000

Hemochromatosis and Wilson disease (WD), characterized by the excess hepatic deposition of iron and copper, respectively, produce oxidative stress and increase the risk of liver cancer. Because the frequency of p53 mutated alleles in nontumorous human tissue may be a biomarker of oxyradical damage and identify individuals at increased cancer risk, we have determined the frequency of p53 mutated alleles in nontumorous liver tissue from WD and hemochromatosis patients. When compared with the liver samples from normal controls, higher frequencies of G:C to T:A transversions at codon 249 ( P < 0.001) and C:G to A:T transversions and C:G to T:A transitions at codon 250 ( P < 0.001 and P &…

Superstrade urbane. Dall’alta velocità alle trasformazioni contemporanee

2013

This article focuses on urban freeway deconstruction processes that recognize this infrastructure as a resource to be reclaimed for urban regeneration. Since they first appeared, freeways have been more than simple carriers of traffic flow. Following the suggestions provided by Le Corbusier, Drexler and Rudofsky in their “ROADS” exhibition, Lawrence Halprin, Reyner Banham, particular attention is paid to the shift towards a larger set of aesthetic assumptions applied to highways. Fifty years after the iconic evocation of Autopia, urban freeways no longer embody the modern value of speed: they must increasingly deal with ecological challenges and re-cycling processes. The nodes where infrast…

Refined Sellmeier equations from phase-matching measurements over the complete transparency range of KTiOAsO4, RbTiOAsO4 and CsTiOAsO4

2000

Sum- and difference- frequency generation phasematching properties are measured in spheres of KTiOAsO4, RbTiOAsO4 and CsTiOAsO4 for Sellmeier equations refinement over their complete transparency range.

Characterization of clamp-on current transformers under nonsinusoidal conditions

2009

This paper reports the performance of clamp-on current transformers under nonsinusoidal conditions. A set of experimental measurements helped to determine the ratio and the phase errors under two conditions: 1) sinusoidal excitation with frequencies from 45 to 1000 Hz and 2) nonsinusoidal excitation using the fundamental frequency and one harmonic, with adjusted phase shift. It was found that ratio and phase errors are affected by the phase angle between the harmonic and the fundamental and the harmonic amplitude. The effects of conductor location in the current transformer's window and of the air-gap width were also investigated. It was concluded that harmonic phase and ratio errors measur…

Analysis and optimization of fuel cell cogeneration systems for application in single-family houses

2010

The world’s demand of energy is projected to double by 2050 in accordance with population growth and with the industrialization of developing countries. The supply of fossil fuel could be limited and even worse is concentrated in a few regions of world, while demand is growing everywhere. One promising alternative to fossil fuel is hydrogen which is abundant and generously distributed through the world without regard for national boundaries. The aim of this paper is to explore this early market opportunity for fuel cell cogeneration systems in buildings and to determine the conditions under which they might compete with the alternative of purchased power. It is suitable to identify and to p…

Fullerenides: properties and high harmonic generation

2015

Probing Laser Plasma Dynamics Using High-Order Harmonics Generation in Carbon-Containing Nanomaterials

2021

We study high-order harmonics generation from plasmas generated from graphite, fullerenes, carbon nanotubes, carbon nanofibers, diamond nanoparticles, and graphene. Our approach utilizes a heating nanosecond laser pulse to produce plasmas that serve as the media for high harmonic generation from a subsequent driven femtosecond laser pulse. High harmonics are generated at different time delays following the plasma formation, which allows us to analyze the spreading of species with different masses. We analyze the harmonic yields from species of single carbon atom, 60 atoms (fullerene), 106 atoms (diamond nanoparticles), 109 atoms (CNTs and CNFs), and even much larger species of graphene shee…

K-12 game programming course concept using textual programming

2011

Several programming environments have been constructed to facilitate novice programming at K-12 and CS0/CS1 levels. The environments can be roughly divided into those using visual or textual programming. This paper presents a K-12 game programming course concept based on textual programming. The concept is based on an easy-to-use C# library, called Jypeli, built on top of Microsoft XNA Framework. The library tries to maintain advantages of visual programming and avoid challenges of textual programming. In particular, the library helps beginners to program their first games in a short period of time and without a heavy syntactic load. The course concept and an initial evaluation consisting o…