Propene dissociation channels were characterized by ab initio CCSD(T)/6-311++g(d,p) calculations. Inthis work the detailed mechanism of propene dissociation to C2H4+CH2, C2H2+H+CH3, C2H2+CH4 andC3H3+H2+H have been investigated. According to our calculations, ten fragments can be classified intofive dissociated channels. Our results point out that two mechanisms come into play in the H2 eliminat...

Electrochemical treatment is a popular and efficient method for improving the photoelectrochemical performance of water-splitting photoelectrodes. In our previous study, electrochemical activation Mo-doped BiVO4 electrodes was ascribed to removal MoOx segregations, which are considered be surface recombination centers photoinduced electrons holes. However, this proposed mechanism cannot explain...

Polar codes, that have been recently introduced by Arikan, are one of the first codes that achieved the capacity for vast numerous channels and they also have low complexity in symmetric memoryless channels. Polar codes are constructed based on a phenomenon called channel polarization. This paper discusses relay channel polarization in order to achieve the capacity and show that if inputs of tw...

Abstract. To increase the efficiency of operation heating networks located in non-passable channels, a schematic and structural solution regenerative-utilization heat use was previously proposed at same time it is shown that isdifficult to create an acceptable full-scale experimental installation or difficulty conducting passive experiment on existing mains channels. As alternative for performi...

Substantial progress has been made in understanding the role of the distal airway and alveolar epithelial barriers in regulating lung fluid balance. Molecular, cellular, and whole animal studies have demonstrated that reabsorption of fluid from the distal air spaces of the lung is driven by active sodium transport. Several different in vivo, in situ, and isolated lung preparations have been use...

Air is our main contact with the environment in which wefind ourselves. Every day, we breathe in 15 kg of air; that’s more than our daily food intake. Air, in cities and confined environments where houses are really close together, consists of particles of different sizes charged of chemical pollutants. The finer particles will come into contact with the alveoli and will allow some pollutants g...

Recent evidence suggests that water transport between the pulmonary vasculature and air spaces can be inhibited by HgCl2, an agent that inhibits water channels (aquaporin-1 and -5) of cell membranes. In the present study of isolated rat lungs, clearances of labeled (3HOH) and unlabeled water were compared after instillation of hypotonic or hypertonic solutions into the air spaces or injection o...

It is generally accepted that environmental factors can significantly influence respiratory system. Cold is one of these factors. Understanding of the reaction of airways to cold air is very important tool leading to improvement in management of cold induced rhinitis, cold induced asthma, exercise induced asthma, and exacerbation of chronic airway diseases induced by cold exposure. Despite the ...

Water management is crucial to the performance of PEM fuel cells. Water is generated as part of the electrochemical reaction, and is removed through the reactant channels. This results in two-phase flow in the reactant channels. Increased understanding of the behavior of the liquid water in the channels allows us to devise better strategies for managing the water content inside the fuel cell. M...