نتایج جستجو برای: energy absorption performance
تعداد نتایج: 1752405 فیلتر نتایج به سال:
Industrialization and increasing demand for the consumption of fossil fuels cause that energy becomes a strategic factor. Energy crisis and the emergence of modern architecture led designers to pay more attention to the important task of building's envelope. Building skins play an important role in building thermal behavior and reduce energy consumption. If Double Skin Facades properly designed...
The crushing of crash boxes is a complex phenomenon characterized by strong interaction structural and material properties. Many attempts to improve their energy absorption adopting one aspect resulted in unacceptable unprogressive bucking. Thus, special considerations are required for box optimization including both effects. In this study, the behavior analyzed new design approach introduced f...
Oil spills are the most important environmental impact in oceans and seas. In this article, Oil absorption, which was explored from Sardar-e-Jangal oilfield in Caspian Sea, by exfoliated graphite (EG), was investigated. Graphite was exfoliated through the reaction of graphite-CrO3 intercalation compounds with hydrogen peroxide. The obtained absorbent was characterized by Brunauer-Emmett-Teller ...
The n_TOF Collaboration has built and commissioned a high-performance detector for ðn;gÞ measurements called the Total Absorption Calorimeter (TAC). The TAC was especially designed for measuring neutron capture cross-sections of low-mass and/or radioactive samples with the accuracy required for nuclear technology and stellar nucleosynthesis. We present a detailed description of the TAC and disc...
in the first experiment, the chemical composition, apparent metabolizable energy (ame), ame corrected for nitrogen (amen), true metabolizable energy (tme), tme corrected for nitrogen (tmen) values of the sweet almond meal were determined in adult leghorn cockerels. the second experiment was performed to evaluate the effects of different levels of sweet almond meal at 0, 100, 200 and 300 g/kg on...
The conversion of solar energy with simultaneous electric energy storage provides a promising means for optimizing energy utilization efficiency and reducing device volume. In this paper, a 3-dimensional mesoporous carbon coated branched TiO2 nanowire composite is rationally designed for direct conversion and storage of solar energy as electric double-layer capacitive energy. The 1-dimensional,...
In this paper we consider the Interband Light Absorption Coefficient for various models. We show that at the lower and upper edges of the spectrum the Lifshitz tails behaviour of the density of states implies similar behaviour for the ILAC at appropriate energies. The Lifshitz tails property is also exhibited at some points corresponding to the internal band edges of the density of states.
Explicitly correlated local coupled-cluster (LCCSD-F12) methods with pair natural orbitals (PNOs), orbital specific virtual orbitals (OSVs), and projected atomic orbitals (PAOs) are compared. In all cases pair-specific virtual subspaces (domains) are used, and the convergence of the correlation energy as a function of the domain sizes is studied. Furthermore, the performance of the methods for ...
A novel white light-promoted reaction using photoluminescent nanocrystalline silicon enables the hydrosilylation of alkenes and alkynes, providing stabilization of the porous silicon without significant loss of the photoemissive qualities of the material. Photopatterning and lithographic fabrication of isolated porous silicon structures are made possible. Experiments and observations are presen...
We explore phenomenologies of the topflavour model for the LEP experiment at m Z scale and the atomic parity violation (APV) experiment in the C s atoms at low energies. Implications of the model on the Z peak data are studied in terms of the precision variables ǫ i 's. We find that the LEP data give more stringent constraints on the model parameters than the APV data.
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