Materials Literature
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A pre-design parameter, system efficiency (SE) was modeled for operations with water recovery rate through cell pairs (WRRTC)>0.5. The variables for equation were validated with data from a pilot scale study of electrodialysis reversal (EDR). The correlation between experimental and predicted SE are good at overall R2…
A pulsed laser fabrication method is used to prepare fluorescent microstructures on silicon substrates in this paper. A 355 nm nanosecond pulsed laser micromachining system was designed, and the performance was verified and optimized. Fluorescence microscopy was used to analyze the photoluminescence of the microstruct…
The Cactvs Chemoinformatics Toolkit is probably the most powerful general-purpose chemical information processing toolkit on the market. Since its inception about twenty years ago, its main language for rapid script development has been Tcl – at that time a language at the forefront of lazily-typed rapid prototyping a…
In this paper, yttrium aluminum garnet (YAG) powders were synthesized by the normal-strike co-precipitation method (adding precipitant solution to the metal nitrate solution). Aluminum nitrate (Al (NO3)39H2O) and yttrium nitrate (Y(NO3)36H2O) were used as raw materials and ammonium hydrogen carbonate (AHC) was used as…
The practical possibility of synthesizing micron-size corrosion-resistant powder materials based on lower and higher nitrides of the Fe-N system in the form of both a bulk composition and a “core-shell” system was implemented at relatively low temperatures. Information on the elemental and chemical composition of iron…
Uniaxial compressive stress was applied during fatigue process of soft lead zirconate titanate piezoelectric ceramics and their fatigue resistance was improved when the stress was larger than 20MPa. Before fatigue, compressive stress had a strong depolarization effect and restricted domains switching behavior under la…
The real and imaginary parts of the refractive index of thin zinc phthalocyanine films have been measured by two different methods (spectral and ellipsometric). The results obtained have been used to calculate the absorption and scattering cross sections of spherical zinc phthalocyanine nanoparticles in water as funct…
Coatings on steel Kh12MF are fabricated by the force of electric-spark treatment by the TiB 2 -20% NiAl electrode and carbon-containing materials. Kinetics of their formation, the phase composition, mechanical and tribological properties, roughness, and durability to high-temperature oxidation are investigated. When d…
This paper presents the leakage phenomenon of the left-handed transmission line (LH-TL) in the slow-wave region. The 15 μm unit-cell of the LH-TL is implemented based on the 0.13 μm 1P8M CMOS technology. The dispersion curves extracted by the measured scattering parameters show that the increasing of the normalized at…
The effect of VC and Cr3C2 grain growth inhibitors on mechanical properties of the WC-Ni-ZrO2 composites are studied in the present work. The microstructural features responsible for a change in mechanical properties are analysed. Addition of both VC and Cr3C2 results in increase in hardness of the WC-based system, bu…
This work intends to verify the technical feasibility of NaOH treatment in particleboard manufacture made from banana pseudostem fibers. The particles were treated for a 24 hour period and subsequently washed with water to remove the product. The concentration used was NaOH at 0.5%. The adhesive used was urea - formal…
Cyclic stresses around welding joint part affect the strength of mechanical components. In order to understand the fatigue phenomena caused by the cyclic stresses, non-destructive methods that can be related to number of stress cycles are necessary. In the present work, we used a newly developed scanning Hall probe mi…
Organic matter bound to mineral grains can remain there for many decades. But only a fraction of the mineral surface area ever binds any carbon.
L’irradiation d’un solide par des particules de haute énergie est à l’origine de modifications importantes, souvent défavorables, de ses propriétés d’usage : on parle d’endommagement. Dans cet article, on décrit brièvement les mécanismes d’interaction entre les neutrons rapides et la matière, qui se traduisent par la…
Density functional theory calculations have been used to study the bulk modulus of a nanosized Ti cluster. The applicability of various equations of states to nanosized and bulk titanium has been analyzed.
The CO2/H2S corrosion behaviors of oil tube steels N80 and P110 at different temperature were investigated by corrosion rate calculation and corrosion morphology observation. The results show that with the increase of temperature, the CO2/H2S corrosion rates of both steels increase at first and then decrease, and reac…
U 자형 전자석 하나로 부상력과 안내력을 동시에 얻는 중·저속 자기부상열차는 안내제어기 없이 곡선을 주행한다. 때문에 곡선, 특히 곡률반경이 매우 작은 곡선 주행 시에 차량이 레일과 물리적 접촉을 방지하기 위해서는 곡선형상의 결정이 세심하게 이루어져야 한다. 특히 완화곡선의 형상이 중요하다. 본 논문에서는 완화곡선 선로를 구성하는 형상 매개변수들의 차량 안내 성능에의 영향도를 분석하는데 목적이 있다. 이를 위하여 차량, 전자석, 부상제어기, 곡선가이드웨이가 통합된 3 차원 자기부상열차 다물체 동역학 모델을 개발하였고, 개발된 모델을 이용하여 곡선형상을 구성하는 매개…
Au/MeOx(MeOx- SiO2, Al2O3and TiO2) nanocomposites have been produced by the extractive-pyrolytic method. An organic extract – a solution of n-trioctylammonium tetrachlorolaurate ([Oct3NH]AuCl4) in toluene – was used as a gold-containing precursor. The produced samples were analyzed by IR spectroscopy, X-ray diffractio…
The effectiveness of plantation wastes along with locally available organic materials in ameliorating acidic soil was studied by conducting an experiment with coconut husk, poultry manure, vermicompost, and compared with limestone. Application of organic amendments significantly increased the soil pH, and it was great…
In this study, waterborne polyurethane (WPU) hybrid emulsions with a weight ratio of 2/1 were prepared by emulsion polymerization using a mixture of styrene (St) and/or butyl acrylate (BA) monomers with WPU dispersion. WPU dispersion was synthesized with isocyanic acid and m -tetramethylxylene diisocyanate ( m -TMXDI)…