نتایج جستجو برای: diffractogram
تعداد نتایج: 104 فیلتر نتایج به سال:
This paper is the first multi-scale characterization of the fluidize-dried gum extracted from the fresh fruits of the plant Abelmoschus esculentus. It describes the physical, thermal, sorptional and functional properties of this natural gum. Elemental analysis, scanning electron microscopy (SEM), particle size analysis, X-ray powder diffraction (XPRD), thermo-gravimetric analysis (TGA), differe...
The presented work shows the synthesis and characterization of Zn/Ti layered double hydroxide (LDH) intercalated with carbonate dodecyl sulfate ions following its application as a functional filler in LDPE order to improve thermal properties resistance degradation UV-Vis radiation. X-ray diffractogram patterns LDH-CO3 LDH-DDS present basal spacing value 6.81 Å 38.09 Å, respectively, indicating ...
To complement previous results, an analysis of the chemical and morphological properties babassu fibers (Attalea speciosa Mart. ex Spreng.) was conducted in order to evaluate their potential as reinforcements production composites with epoxy matrix. The diameter distribution analyzed a sample one hundred fibers, allowing verification its variation. determination involved experimental analyses c...
The biosynthesis of CuO nanoparticles was studied. aims this research were from Cu2+ion solution and leaves aquoeus extract sweet star fruit its in vitro study as antibacterial agent Escherichia coli. characterized using FTIR spectroscopy X-Ray diffractometer. synthesized by reaction between fruit. Paper disk method used the application suspension nanoparticles. result showed that Cu-O groups d...
Multicomponent crystallization is a method that can modify the physicochemical properties of Carvedilol (CVD), thereby increasing its solubility. Based on in silico screening coformers (Benzoic Acid, Isonicotinamide, and Saccharin) showed non-covalent interactions with CVD, so multicomponent crystal preparation CVD by solvent evaporation used these mole ratios 1:1, 1:2, 2:1. CVD:Isonicotinamide...
Apart from using silicon material, thin-layer solar cells can be made various types of semiconductor materials, such as a combination groups III and VI. In cell applications, these materials are usually used n-type coatings. This study not only aimed to determine the crystal structure effect annealing temperature on lattice parameters but also chemical composition surface morphological crystals...
Tissue engineering scaffolds require a controlled pore size and interconnected pore structures to support the host tissue growth. In the present study, three dimensional (3D) hybrid scaffolds of poly lactic acid (PLA) and poly glycolic acid (PGA) were fabricated using solvent casting/particulate leaching. In this case, partially fused NaCl particles were used as porogen (200-300µ) to improve th...
BACKGROUND Pretreatment of lignocellulosic biomass is essential to increase the cellulase accessibility for bioconversion of lignocelluloses by breaking down the biomass recalcitrance. In this work, a novel pretreatment method using ethylenediamine (EDA) was presented as a simple process to achieve high enzymatic digestibility of corn stover (CS) by heating the biomass-EDA mixture with high sol...
Research on the effect of addition phosphorus doping using a syringe pump with sol-gel method. The purpose this study was to determine rate crystal structure and specific surface area TiO2. Doping increment used are 0,4; 0,2; 0,13 0,1 ml/hours TiO2 samples were calcined at 450ºC for 5 hours. powder characterized by x-ray diffraction (XRD) analyzer (SAA) BET XRD diffractogram generally shows tha...
In this research work mixture of two acids were used for changing the P H of the solution. Single crystals of cadmium tartrate oxalate were grown by gel technique using single diffusion method at optimum temperature. The effect of varying various process parameters such as P H of the gel, gel setting time, gel concentration of the reactance on the growth of crystals were studied. In the gel pre...
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