Number of Articles: 20
Stadying mechanical properties for polyethylene composites rein for by fish shell particles
Volume 29, Issue 15 , November 2011, Page 607-620
Abstract
In this research we use both High Density Polyethylene (HDPE), and Low Density Polyethylene (LDPE)were used as matrix to the composite material and fish shell particles were used as ... Read More ...Study Relationship Between The Dimensional Change – Temperature and Carburizing Time of Low Carbon Steel By Using (C#2008) Programming Language
Volume 29, Issue 15 , November 2011, Page 621-634
Abstract
In this paper a program was build by (C#2008) programming language to calculate a dimensional change in specimens of low carbon steel during solid carburizing process. The chemical ... Read More ...Study of Some Structural , Optical Properties of Copper Oxide Thin Films Deposited by Chemical Spray Pyrolysis Method
Volume 29, Issue 15 , November 2011, Page 635-649
Abstract
In this research we prepared copper oxide thin films by Spray pyrolysis method with various salts such as ( acetate, nitrate & copper chloride (0.1 M) and study its structural and ... Read More ...Experimental Determination of Drag Coefficient on Different Automobiles Geometry
Volume 29, Issue 15 , November 2011, Page 3043-3057
Abstract
The undertaken research deals with an experimental determination of drag coefficient for five car models. Experiments were run within a subsonic aspiration wind tunnel, covering an ... Read More ...Preparation of Silver Nanoparticles by Pulsed Laser Ablation in Liquid Medium
Volume 29, Issue 15 , November 2011, Page 3058-3066
Abstract
Silver nanoparticles were synthesized by pulsed laser ablation (Q-switched Nd:YAG, ë=1064nm, 10 ns pulse duration and E=100-900 mJ) of pure Ag metal plate immersed in double distilled ... Read More ...Synthesis, Structural and Biological Studies of /3-(1, 3- benzothiazol-2-yl) - /4H- spiro[indole2,3-[1,3]thiazolidine]- 2,/4(1H) dion with Cr (III), Mn (II), Co (II), Ni (II), Cu (II), and Zn (II) ions
Volume 29, Issue 15 , November 2011, Page 3067-3078
Abstract
This paper describes the synthesis of a new derivative 3-(1,3- benzothiazol-2-yl)- /4H- spiro[indole2,3-[1,3]thiazolidine]-2,/4(1H) dion [L], which have been obtained from the cyclization ... Read More ...Simulation of Deep Excavation in Sand by Finite Element Using Hardening Soil Model (HSM)
Volume 29, Issue 15 , November 2011, Page 3079-3096
Abstract
Deep excavation is very important problem in geotechnical engineering and use in construction of tunnel and underground structure. This paper study the deep excavation using Plaxis ... Read More ...Exploring Turbulent Effects on Spray Evaporation Modeling
Volume 29, Issue 15 , November 2011, Page 3097-3107
Abstract
In this work, numerical investigations are conducted for diesel spray under evaporating conditions. The Eulerian-Eulerian framework of evaporating turbulent spray is presented in terms ... Read More ...A Confined Flow over a Cylinder by the Finite Element and the Finite Difference Methods
Volume 29, Issue 15 , November 2011, Page 3108-3117
Abstract
The Finite element and the finite difference methods were applied to a confined flow over a cylinder. The values of velocity potential (F), the stream function (Y) and the velocity ... Read More ...The Geometrical Analysis Accuracy for Parallel Robotic Mechanisms
Volume 29, Issue 15 , November 2011, Page 3118-3129
Abstract
The geometrical analysis of the robotic mechanisms means the formulation of the position equation of the mechanism in terms of dependent and independent coordinates. This function should ... Read More ...Effect of Using Local Sand Filter on Increasing Efficiency of Treatment Wastewater in Iraq
Volume 29, Issue 15 , November 2011, Page 3130-3140
Abstract
Sand filtration has been an effective wastewater treatment process for control of contaminates. Sand filters are very economic treatment and do not need constant operator attention, ... Read More ...Study the Microbiologically Influenced Corrosion of Carbon Steel
Volume 29, Issue 15 , November 2011, Page 3141-3157
Abstract
The main objective of this study was to evaluate the microbiologically influenced corrosion of carbon steel in water, samples of water taken from Al-Hilla rivers and distill water (control ... Read More ...Color Images Hiding Based on Wavelet Based Fusion
Volume 29, Issue 15 , November 2011, Page 3158-3171
Abstract
At present, information is being communicated and proceeds automatically on a large scale. Hence, the required measures for secure storage and transporting of the information are increased. ... Read More ...New Design of Optical Filters Based on Single Mode-Multimode-Single Mode Fiber Structure for Optical Fiber Communication Systems
Volume 29, Issue 15 , November 2011, Page 3172-3184
Abstract
In this paper, a design of optical filters based on single mode-multimode-single mode fiber structure (SMS) is demonstrated. The multimode interference effect can be utilized to design ... Read More ...Omnidirectional Mirrors for Porous Silicon Multilayer by Electrochemical Etching
Volume 29, Issue 15 , November 2011, Page 3185-3193
Abstract
The measurements and calculations of monolayer and multilayer reflectance, made of porous silicon films, have been carried out. The multilayer component has been made of porous silicon ... Read More ...Studying the Effect of Chemical Solution on Corrosion Behavior of SiC and Al2O3 Reinforced Aluminum Composite Materials
Volume 29, Issue 15 , November 2011, Page 3194-3203
Abstract
Corrosion behavior of aluminum matrix composites (MMCs) with (10, 20 &30) weight fraction of each alumina and silicon carbide was investigated in 10% (NaCl, NaOH &HCl) solutions ... Read More ...Linear Graded Refractive Index Antireflection Coatings For Silicon Substrate
Volume 29, Issue 15 , November 2011, Page 3204-3210
Abstract
In this work, a theoretical study of linear profile for graded antireflection coating has been used with silicon as substrate. A computer program has been designated using the basic ... Read More ...The Characteristics of Vortex Spray Countercurrent Mass Exchange Device (VSCMED)
Volume 29, Issue 15 , November 2011, Page 3211-3223
Abstract
The article contains the results of the efficiency research of vortex dispersing countercurrent mass exchange device performance. There are recommendations given on the basis of analysis ... Read More ...Improvement of Ballast Embankment Resting on Soft Clay by Reed and Asphalt Layers
Volume 29, Issue 15 , November 2011, Page 3224-3241
Abstract
The present paper investigates the possibility of using reed and /or asphalt as stabilizing materials for ballast model embankment overlaying a bed of soft soil. Four model tests were ... Read More ...Speaker Identification Using Wavelet Transform and Artificial Neural Network
Volume 29, Issue 15 , November 2011, Page 3242-3255