Browsing Chemistry by Title
Now showing items 87-106 of 106
-
Simplified Step-by-Step Nonlinear Static Program Investigating Equilibrium Conditions of Electrons in Atom and Ionization Energies: Case Study on Argon
(Scientific Research, 2018-05)For investigation of equilibrium conditions of electrons in an atom, and Ionization Energies of Elements, a simplified deterministic static model is proposed. The electrons are initially uniformly and sparsely arranged ... -
Solvent Effects on the UV Absorption Spectrum of Carmofur
(Scientific Research Publishing, 2016-01)In this article, we reported that carmofur could be induced by some solvent to produce conformational alteration. Ultraviolet (UV) spectra were used to study the conformation alteration of carmofur. Upon the addition of ... -
Specific Heat of Solution of HCl-NaOH Reaction by a Simple Handmade Calorimeter
(2017-12)A research study was performed by couple of students under the research project of bachelor in chemistry. The main goal to perform this project was to determine the changes in temperature of solution when an acid and a ... -
A Specific Periodic Table for Chemistry of Organic, Semi-Organic and Inorganic Elements: Compatibility with the Even-Odd Rule,the Number of Electrons and the Isoelectronicity Rule
(Scientific Research, 2018-05)Following the introduction of the new even-odd and isoelectronic rules and definitions affecting the understanding of electronic structure and bonds, the author has thought necessary to summarize understandings in the ... -
Structure-Function Relationship of a Gellan Family of Polysaccharide, S-198 Gum, Produced by Alcaligenes ATCC31853
(Scientific Research Publishing, 2016-05)The structure-function relationship of a gellan family of polysaccharides, S-198 gum produced by Alcaligenes ATCC31853 was investigated in terms of rheological aspects. The flow curves of S-198 gum showed plastic behavior ... -
Study the Attenuation Coefficient of Granite to Use It as Shields against Gamma Ray
(Scientific Research Publishing, 2016-04)The present work investigates the linear and mass attenuation coefficients for gamma rays practically and theoretically by using spectroscopy gamma ray (UCS-20) and program (XCOM)) for various types of common use granite, ... -
Studying Different Etching Methods Using CR-39 Nuclear Track Detector
(Scientific Research Publishing, 2016-07)In this research we try to investigate the optimum etching time for the tracks originate in (CR-39) solid state nuclear track detector after irradiated with alpha source (241Am) using three different etching techniques: ... -
Synthesis and Modification of Carboxylated Multi Wall Nanotubes with Atenolol
(Scientific Research, 2014-07)In this paper functionalized multiwall carbon nanotubes (FMWCNT) were modified using atenolol as a class of drugs that were used in cardiovascular diseases containing reactable nitrogen, which could attach chemically to ... -
Synthesis of Luminescent CdTe Nanorods on Anodized Aluminum Oxide Template and Their Utility in Divalent Heavy Metal Ion Sensing
(Scientific Research, 2014-07)A simple one-pot hydrothermal method to grow luminescent CdTe nanorods on porous anodized aluminum oxide (AAO) template is described. These CdTe nanorods on the AAO template were further applied as an optical probe to ... -
Theoretical Insight into the Structure, Energetic Property and Thermal Stability of C6N6H12 Cages
(2016-11)Recent theoretical studies have identified carbon-nitrogen cages are potentially stable high energy density materials. Two such C6N6H12 cages were proposed and investigated using the density functional theory comparison ... -
Theoretical Treatment of Ion Stopping in Complex Systems
(2014-08)The sort of materials treated by theoretical methods in physics has changed radically in recent years, from small molecules and biomolecules, as well as perfect solids and gasses at zero temperature, to much more complex ... -
Thermodynamic and Kinetic Studies of Powerful Eco Friendly Green Inhibitors; Costus afer, Uvaria chamae and Xylopia aethiopia for the Control of Mild Steel Corrosion in HCl Solution.
(2018-01)The inhibitive action of the methanol extracts of three powerful eco-friendly green Inhibitors; Costus afer (COA), Uvaria chamae (UVC), and Xylopia aethiopica (XYA) leaves on the corrosion of mild steel in 2.5 M HCl solutions ... -
Thermodynamics of CO2 Adsorption on Polyethyleneimine Mesoporous Silica and Activated Carbon
(2017-03)A thermodynamic study of the enthalpies of adsorption of CO2 was conducted on polyethyleneimine 10k/ mesoporous silica (PEI-10k/MPS) and activated carbon (AC). These materials were chosen because of their high CO2 sorption ... -
Thinning of Emulsion Water-in-Oil Films Stabilized with Modified Aluminum Hydroxide under Influence of Applied Pressure Drop
(Scientific Research, 2014-03)The results of studies of thinning free water-in-oil emulsion films stabilized by solid particles by the Applied Pressure Drop Technique (APDT) are reported. The quasi-equilibrium film thickness achieved by slow increasing ... -
Three-Center Configuration with Four,Three, and Two Electrons for Carbon,Boron, Hydrogen, and Halogen Exchange. A Model and Theoretical Study with Experimental Evidence
(Scientific Research, 2014-05)The introduction of specific sites in organic frames for accommodation of various modes of bonding has been focused on reaction types which are described by using different theoretical models with or without a definite ... -
Updated Definition of the Three Solvent Descriptors Related to the Van der Waals Forces in Solutions
(Scientific Research, 2018-02)Innovative viewpoint on the older topic of the van der Waals forces, is of interesting and significant issue to be concerned in both the fields related to the fundamental investigation and thus valuable in guiding the ... -
Variation of Isotope Coefficient with Number of CuO2 Layers in High TC Superconductors
(2017-02)In this paper, an effort has been made to study the isotope coefficient in high TC Superconductors by using the variation of isotopic coefficient with the number of CuO2 layers and the variation of isotope coefficients on ... -
Virtual Antigens made by Laser Beams
(2014-01) -
XRF Analysis of Heavy Metals for Surface Soil of Qarun Lake and Wadi El Rayan in Faiyum, Egypt
(Scientific Research, 2013-07)The environmental pollution with some heavy metals for twenty four surface soil samples collected from Qarun Lake and Wadi El Rayan region in Faiyum, Egypt utilizing X-ray fluorescence (XRF) spectroscopy was measured. The ...