نتایج جستجو برای: solid ratio of 30 mlg
تعداد نتایج: 21260202 فیلتر نتایج به سال:
Graphene, in single layer or multi-layer forms, holds great promise for future electronics and high-temperature applications. Resistance to oxidation, an important property for high-temperature applications, has not yet been extensively investigated. Controlled thinning of multi-layer graphene (MLG), e.g., by plasma or laser processing is another challenge, since the existing methods produce no...
The success of the composite solid propellant motor depends on the proper stress-strain behavior of the propellant grain against tensile, compression and shear stresses and intensive changes in gravity during launch. In this paper, the effect of formulation components and other parameters affecting mechanical properties (tensile strength, elongation and elastic modulus), and their effects AP/Al...
Optimization of total flavonoid compound (TFC) extraction from Gynura medica leaf was investigated using response surface methodology (RSM) in this paper. The conditions investigated were 30-60% (v/v) ethanol concentration (X(1)), 85-95 °C extraction temperature (X(2)) and 30-50 (v/w) liquid-to-solid ratio (X(3)). Statistical analysis of the experiments indicated that temperature and liquid-to-...
Introducción: La cineantropometría en deportistas es imprescindible para la valoración cuantitativa de su Composición Corporal (CC) y nutricional, llevándonos a una percepción personalizada permitiendo establecer objetivos estrategias que convergen el entrenamiento dieta, con fin conseguir éxito deportivo. Objetivo: Describir las caracteristicas antropométricas, CC somatotipo específico por pos...
An experimental study was conducted to determine the effects of the leaching parameters on impurity ion concentrations of the liquid phase in ulexite leaching. Powdered ulexite ore was leached in an aqueous medium with sulfur dioxide. The Taguchi experimental design approach and statistical methods were used to evaluate the effects of the leaching parameters (solid/liquid ratio, temperature...
any change in the refractive index of a laser active medium can lead to serious degradation of beam quality, laser beam modes, laser performance and variation in the intensity distribution. alteration in the refractive index of laser active medium is especially notable in high power lasers. it is clear that in the laser beam production, the pumping agent induces a great amount of heat which...
PURPOSE We present and evaluate a fully automated 2D-3D intensity-based registration framework using a single limited field-of-view (FOV) 2D kV radiograph and a 3D kV CBCT for 3D estimation of patient setup errors during brain radiotherapy. METHODS We evaluated two similarity measures, the Pearson correlation coefficient on image intensity values (ICC) and maximum likelihood measure with Gaus...
Abstract Background and Objective: C- reactive protein (CRP), as an acute phase reactant and a reliable marker of inflammation, increases due to inflammatory diseases such as Rheumatoid Arteritis and infectious conditions. New evidence shows that Vitamin D may have important effects on adjusting and reducing the Immune Responses. The aim of this study was to evaluate the association between...
A fundamental understanding of the behavior gold (Au) nanostructures deposited on functional surfaces is imperative to discover and leverage interface-related phenomena that can boost efficiency existing electronic devices in sensorics, catalysis, spintronics. In present work, Au layers with nominal thickness 2 nm were sputter-deposited graphenized SiC substrates represented by buffer layer (Bu...
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