Materials Literature
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This paper describes the use of fuzzy logic to improve the performance of the proxy cache. A multi-agent system has been developed to control the cache cleanup process on both parent and child sides. Fuzzy logic is used to combine LFU and LRU caching replacement policies on the child cache. Size, LFU, and LRU policies…
This work proposes three different glass formula derived from the SiO2-Li2O-K2O-Al2O3 system to investigate the effect of glass compositions on their crystal formation and mechanical properties. Glass LD_1 was SiO2-Li2O-K2O-Al2O3 system with adding P2O5 and CaF2 as nucleating agents. In Glass LD_2, a few amount of MgO…
This paper deals with the sensitivity analysis of models for the high consistency refining process in the pulp and paper industry. Several models reported in literature are considered, which are screened for their potential use in the design of controllers for refiners or in the optimization of refiner operation. For…
In this paper an accurate modeling of permanent magnet synchronous motor that is suitable for high frequency differential mode calculation is proposed. The model takes into consideration the core losses and the two resonance responses that occurred during the experimental results. The model is suitable for calculation…
Optical fibers constituted by photonic quasi-crystals it is based on aperiodic structures characterized by at least two different symmetrical patterns. In this work an optical fiber constitute by quasi-periodic and symmetric matrix is analyzed using the finite element method in conjunction with cylindrical perfectly m…
We propose a generalization of the LDA + DMFT + Σ k approach to the multiband case, in which correlated and uncorrelated states are present in the model simultaneously. Using the multiband version of the LDA + DMFT + Σ k approach, we calculate the density of states and spectral functions for the Emery model in a wide…
This article describes our recent research on a selective protein detection system built on a graphene oxide (GO) surface.Our original idea is to fix pieces of GO on a solid support.This enables direct observation of chemical reactions occurring on the GO surface and on-chip device fabrication.The basic principle can…
Controlling the morphological structure of titanium dioxide (TiO2) is crucial for obtaining superior power conversion efficiency for dye-sensitized solar cells. Although the sol-gel-based process has been developed for this purpose, there has been limited success in resisting the aggregation of nanostructured TiO2, wh…
Extended abstract of a paper presented at Microscopy and Microanalysis 2013 in Indianapolis, Indiana, USA, August 4 – August 8, 2013.
Abstract The paper discusses the impact of drawing poly(ethylene terephthalate) (PET) fibers in the presence of solvents, which consist of the first five homologues of aliphatic primary alcohols, namely methanol to amyl alcohol. The solvent induced deformation under tensile load leads to surface fissures characterized…
A coesão de alguns horizontes de certos solos interfere diretamente no crescimento de plantas, provocando redução da profundidade efetiva, do volume de raízes e da emergência de plântulas, em decorrência da redução da disponibilidade de água e ar no solo. Neste estudo, objetivou-se caracterizar, por meio dos atributos…
Resistivity of boron-doped polycrystalline-silicon (polysilicon) film was investigated experimentally with wide range of doping concentration (5×1018~1.4×1020cm-3) and various annealing conditions (950~1050°C, 10-30mins), which results in sheet resistance of 89.5~149000Ω/°C and resistivity of 2.6×10-3~4.3Ω·cm. Mathema…
We establish a mathematical model with numerical example of solar thermoelectric power generation system. The components' thermal resistances, thermal contact resistances at the interface between components and Thomson heating are all considered in the model. The inner effects include Seebeck effect, Peltier heating e…
This study examines the eect of slow crystal dummy rotation on three-dimensional oscillatory instability and time-dependent supercritical ow states in a Czochralski melt ow experimental model. To enable further comparison with numerical modelling, the experiments are carried out using a 20 cSt silicone oil as an exper…
The present study was undertaken to investigate the effect of Thermo-mechanical Treatment (TMT) on aging and hardness of Al-Mg-Si (6082) alloys. The effect of cold work after solution treatment, aging time and temperature on the microstructure and hardness were studied. Hardness measurements were carried out on specim…
Soy protein isolate (SPI)-essential oil monomers edible composite films were prepared by casting and solvent evaporation method. Films antibacterial activity and preservation effect on chilled pork were investigated. The results indicated that composite films showed significant inhibitory effect on the growth ofEscher…
This paper proposes reflection and transmission controlling materials using the artificially designed material. As the artificially designed material, finite- and infinite-length metal wire array sheets are used here. The laminated structures consisting of the metal wire array sheets and dielectric material are propos…
A stability analysis of non-axisymmetric annular curtain is carried out for an axially moving viscous jet subject in surrounding viscous gas media. The effect of inertia, surface tension, gas-to-liquid density ratio, inner-to-outer radius ratio, and gas-to-liquid viscosity ratio on the stability of the jet is studied.…
Now that ITER is under construction, interest is increasing in the specification and design of the successor machine, a Demonstration Power Plant (DEMO), which in Europe is coordinated by the EFDA Power Plant Physics and Technology programme. This paper summarises the work carried out for EFDA in 2011-2012 on design i…
This paper presents numerical results in the form of graphs of the power reflection coefficients for electromagnetic signals normally incident upon a conductive plane covered with two layers of inhomogeneous plasma slabs. The plasma electron density varies only in the direction perpendicular to the plane. Parameters c…