Materials Literature
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There are three different fly ashes mixed with bentonite respectively as raw material to preparation of denitration catalyst. Then the catalyst combined with the low temperature plasma for denitration. The different mixing ratio, drying temperature and drying time of catalyst preparation were studied. The denitration…
We demonstrate theoretically that the epsilon-near-zero materials can be utilized to control effectively the polarization conversion of an electromagnetic wave through reflection. The significant feature differing from all other means based on whatever natural materials or metamaterials is that for TM incident wave, t…
In this study, we characterize the anodic dissolution behavior of thin PVD Cu/CVD Co bilayer films using linear sweep amperometry in a potassium nitrate electrolyte. The Co and Cu dissolution peaks are well separated, enabling an assessment of the continuity of the Cu overlayers. Complete coverage of the Co film is at…
The purpose of this study was to synthesize polydimethylsiloxanes by heterogeneous catalysis, based on the polymerization of the hexadecamethylcyclooctasiloxane (D8) by an environment-friendly solid catalyst (Maghnite-H+). Maghnite-H+ is a natural Algerian clay of the montmorillonite type, prepared by activation with…
Pollution of insulators is one of the most significant problems that can affect the reliability of power systems. Several practices have been employed to improve the insulation performance under polluted conditions such as extending the creepage distance, using specially designed profiles, washing of insulators and us…
We numerically study the quantum Hall effect in both monolayer and bilayer black phosphorus (BP) under an external electric field in the presence of both disorder and a strong perpendicular magnetic field based on the tight-binding model. In the monolayer BP case, the quantized Hall conductivity is similar to that of…
Surface charges accumulated on insulating film will change the electric field around the insulating film, and the surface charge distribution has direct relationship with the electric field around. In order to investigate the surface charge characteristics of insulating film in ion-flow field, an experimental platform…
Rural electrification in an archipelago country like Indonesia is a challenge. Indonesian government has stated that basic need of electricity is 60 kWh, however it is not easy to fulfill it. Fortunately, Indonesia is rich in biomass potency. Therefore, converting biomass energy to electricity might be a solution to t…
Shell-type nanostructures have recently attracted a lot of attention due to their several applications. The surface stress effect plays an important role in the mechanical behavior of such structures because of their large surface-to-volume ratio. In this paper, an analytical approach is presented for analyzing the ge…
Nanostructured materials are widely used to improve the properties of consumer products such as tires, cosmetics, light weight equipment etc. Due to their complex composition these products are hardly recycled and thermal treatment is preferred. In this study we investigated the thermal stability and material balance…
Summary Current and upcoming specifications for optical filters and components are driving the demand for optimized deposition techniques. Besides the need for high precision process control to achieve accurate and reproducible layer properties, additional requirements from a process automation perspective have to be…
Chase for manufacturing composite materials without negotiating on the physio-mechanical performance has been prevailing since long. Short jute fiber-reinforced epoxy based composites are prepared and their mechanical properties have been analyzed. The fibers are peroxide-silane treated under varying conditions of tem…
We present fitting equations for estimating effective dose per unit fluence at any photon energy between 10 keV and 10 GeV and any neutron energy between 0.001 eV and 10 GeV. These new equations are based on the latest radiation protection quantities for external radiation exposure found in International Commission on…
Penelitian ini dilakukan untuk menghasilkan Mg(OH)2 dari bittern menggunakan metode elektrokimia, dengan menitik beratkan pada kajian pengaruh potensial terhadap rendemen dan kemurnian Mg(OH)2 yang dihasilkan. Proses elektrokimia dilakukan menggunakan sel elektrolisis 2-kompartemen, dihubungkan dengan jembatan garam b…
The influence of plastic deformation carried out by high pressure torsion at room temperature on the microstructure of the YBa2Cu3O y (123) compound prepared by standard ceramic technology and annealed at low temperature (200°C) in a water-saturated atmosphere has been studied. It has been shown that the directional g…
Using methods of optical spectroscopy and small-angle X-ray scattering, the kinetics of the UV radiation-induced formation of gold nanoparticles in HAuCl 4 -doped water–acid solutions of chitosan has been studied from the very beginning of the reaction. It has been shown that, during synthesis, as the mean size of nan…
Optical properties and responsive mechanisms of three newly synthesized fluorescent probes for hypochlorous acid (HOCl) are investigated by employing time-dependent density functional theory. The computational results show that the absorption and emission properties of these probes change obviously when they react wit…
This paperwork tried to simulate the combustion inside the marine engines using the newest computer methods and technologies with the result of a diverse and rich palette of solutions, extremely useful for the study and prediction of complex phenomena of the fuel combustion. The paperwork is contributing to the theore…
In this paper, ZnSe:Co/ZnSe QDs were synthesized by co-precipitation technique in aqueous phase using L-cysteine as modifier, the experimental results were characterized by X-ray power diffraction(XRD), transmission electron microscope(TEM), infrared spectrum(IR)and photoluminescence spectrum(PL). The results showed t…
Influence of anisotropy on a bending of a magnetic stripe domain wall due to a magnetostatic stray field of a cylindrical magnetic domain (CMD) that is located within the stripe one is under investigation. It is revealed that for a specific set of physical parameters of the domain structure, energy of domain wall bend…