Báo cáo vật lý: "Physical and Chemical Characteristics of Citrullus lanatus Var Colocynthoide Seed Oil" pdf

Báo cáo vật lý: "Physical and Chemical Characteristics of Citrullus lanatus Var. Colocynthoide Seed Oil" pdf

... the high demand to look for a new source of oil and the sufficient availability of this plant in Sudan, the scarcity of scientific studies of the seed oil of Citrullus lanatus var. Colocynthoide ... Characteristics of Citrullus lanatus Var. Colocynthoide Seed Oil A.K. Ziyada1 and S.A. Elhussien2 1Department of Applied Chemistry and Chemical Technology, Faculty of Engineering and Technology, ... Journal of Physical Science, Vol. 19(2), 69–75, 2008 71 2.1 Seed Characteristics and Composition Seed color was determined visually. One hundred seeds of each type were picked randomly and...

Báo cáo vật lý: "Flexural and Morphological Properties of Epoxy/Glass Fibre/SilaneTreated Organo-montmorillonite Composites Nor Hamidah Mohd" potx

... strength of the E/GF composites with the addition of silane-treated OMMT. According to Lin et al.,5 the clays were dispersed between both the bundles of GF and within the interstices of the ... reaction uses alkoxysilanes and exploits the -OH reactive sites of the MMT structure. In this research, we investigate the mechanical and morphological properties of E/GF/3-aminopropyltrimethoxysilane-treated ... provided by Dow Chemical Sdn. Bhd. (Malaysia). The curing agent, cycloaliphatic amine hardener HY2964, was purchased from Ciba Geigy (Switzerland). The GF was in the form of a chopped strand mat (CSM)....

Báo cáo vật lý: "Structural and Dielectric Properties of the Mn-Doped BaO-Nd2O3-4TiO2 System" ppt

... phase of standard BaNd2Ti5O14, ICDD No 33–136. The lattice parameters of the XRD show a = 12.20 Å, b = 22.35 Å and c = 3.84 Å. However, detailed observation shows the presence of extra ... composed of a major phase, BaNd2Ti5O14, with some secondary phases, Nd2Ti2O7 and BaTi4O9. The formation of the secondary phases affects the density, dielectric properties and quality ... for modifying the characteristic of BaO-Nd2O3-TiO2 including (1) doping with additives of SrO, PbO, Ta2O5 and other rare earth oxides10–14 and (2) varying the composition. As for...

Báo cáo vật lý: "Volumetric and Thermodynamic Studies of Molecular Interactions in Ternary Liquid Mixtures at 303, 308 and 313K" pptx

... between ketones and alkanols. The subsequent formation of new hydrogen bonds between the proton acceptor oxygen atoms of the group of DMF and the proton of the – OH group of 1-alkanols 17 ... molecules, and has been successfully employed in understanding the nature of molecular interactions in pure liquids and binary and ternary mixtures.4–6 Variations in ultrasonic velocity and related ... subsequent formation of (new) H-bonds [C=O … H–O] between the proton acceptor oxygen atom (with lone pair of electrons) of the C=O group of DMF and the proton of the OH group of 1-alkanols. The...

Báo cáo vật lý: "MODELLING AND SIMULATION STUDY OF VISIBLE EMISSION TRANSMISSIVITY OF SILICON RELATED TO SINGLE AND MULTILAYER ANTIREFLECTION COATINGS" potx

... of Si, SiO2 and Ge for increasing transmittance of Si as active medium in the far red region of 720–750 nm. This paper reports the design and simulation of the transmissivity of single and ... conclusions: the transmissivity of ~ 720–750 nm emission of silicon is affected significantly by the single and multilayer thin film coatings of Ge, SiO2 and Si/SiO2/air and Si/Ge/Si/SiO2/air ... multilayer coatings; and also reports the results of each design at the central wavelength 720 nm. 2. MODELING AND SIMULATION The knowledge of thickness and refractive index of AR coatings...

Báo cáo vật lý: "Protonation and Complexation Approaches for Production of Protic Eutectic Ionic Liquids" ppsx

... obtained from Sigma Aldrich (USA). All of the chemicals' purity exceeded 99% and the chemicals were used as they were received. The chemical structure of the reactants is shown in Figure ... systems. The physical and chemical properties of PEILs are congruent to those of the traditional ILs, but the range of structures for PEILs is likely to be different from that of ILs which are constituted ... non-volatile, and ILs are highly polar, miscible with certain organic solvents and/ or water, and have good solubility with organic and inorganic materials. They are also chemically inert, reusable and...

Báo cáo vật lý: "FORMATION AND MORPHOLOGY OF COLLOIDAL CHITOSAN-STABILIZED COPPER SULFIDES" pdf

... attempts of synthesizing and characterizing copper sulfides nanoparticles have been reported. Sonochemical,18 chemical bath deposition (CBD),19 hydrothermal,12 solvothermal,8 and photochemical ... presence and absence of the particle. Then, the number, N (ones), of particles within each square of different sizes, l, are counted. The fractal dimension, D is obtained from the slope of the ... (a) TEM micrograph of copper sulfides exhibiting fractal structure and (b) a plot of log10 N against log10 l Figure 9: SEM micrograph of copper sulfides Journal of Physical Science,...

Báo cáo vật lý: "Synthesis and Characterization of Bismuth Tantalate Binary Materials for Potential Application in Multilayer Ceramic Capacitors (MLCC)" doc

... Imaginary part of impedance as a function of frequency for BiTaO4 at various temperatures. Figure 8: Imaginary part of impedance as a function of frequency for BiTaO4 at various temperatures. ... the bulk (grain) property of the material arising due to the parallel combination of bulk resistance (Rb) and bulk capacitance (Cb) of the material. The capacitance of the sample is about ... Figure 9 shows the plots of real part of complex permittivity of BiTaO4 ceramics as a function of sintering temperature. The εr increases appreciably with the increase of temperature. The temperature...

09 Physical and Chemical Characteristics of DDGS revisions.

... & Chemical Characteristics of DDGS 1Physical & Chemical Characteristics of U.S. DDGS Physical and chemical characteristics of distiller’s dried grains with solubles (DDGS) vary among ... effectiveness of including 2% calcium carbonate in DDGS as a User HandbookPhysical & Chemical Characteristics of DDGSPhysical & Chemical Characteristics of DDGS 08 - Physical & Chemical Characteristics ... & Chemical Characteristics of DDGS 2 Particle Size, Bulk Density and pH Particle size and particle size uniformity of feed ingredients are important considerations of livestock and poultry...

Báo cáo Y học: Molecular and biochemical characteristics of a gene encoding an alcohol acyl-transferase involved in the generation of aroma volatile esters during melon ripening pptx

... DISCUSSIONSequence analysisBoth CM-AAT1 and CM-AAT2 encode proteins of 461amino acids with a theoretical molecular mass of 51.5 kDa and 51.8 and a pI of 8 and 8.5, respectively, and 87%identity at the amino ... Expression pattern of CM -AAT1 (A, B) and CM-AAT2 (C, D)genes during fruit development and ripening between 32 and 42 days of wild type (WT) and antisense ACC oxidase (AS) melons. Some of thefruitweretreatedonthevinewith50lLÆL)1ethylene ... The upper and lower bands cor-respond to the CM-AAT1 or CM-AAT2 genes and actin, respectively.Fig. 2. Dendogram of full-length deduced amino acid sequences of CM-AAT1 and CM-AAT2 and homologues,...

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