Number of Articles: 20
Studying the Optical Properties Cadmium Stunet Cd2SnO4 Thin Films Prepared by Spray Pyrolysis Technique
Volume 27, Issue 14 , October 2009, Page 445-456
Abstract
Cd2SnO4 thin films have been prepared by Spray pyrolysis on glasses slides of ( 0.2 M ) from (CdCl2.2H2O) and (0.2 M,0.1 M)from(SnCl4.5H2O) . Some films are prepared in different temperatures ... Read More ...Study the Mechanical Properties of Al-glass Composite
Volume 27, Issue 14 , October 2009, Page 457-466
Abstract
The present research aimed at studying the effect of (1, 3, 5 ) Wt % addition of glass particles on the mechanical and wear resistance of the pure Aluminum. All samples were prepared ... Read More ...Effect of Zirconia (ZrO2) Addition on Some Characteristics of Iraqi Bauxite Refractories
Volume 27, Issue 14 , October 2009, Page 467-483
Abstract
Use Iraqi Bauxite (64.2%) Alumina was calculated at (1400 oC ) and Graingradient limited after add kaolin and Sodium Silicate to increase compaction bauxite grain and then addition ... Read More ...Study of Wear Sliding For Dezincification of Brass
Volume 27, Issue 14 , October 2009, Page 484-499
Abstract
Given the emergence of cracks in a high proportion of clay product in the production phase of the plant Blocks in the laboratory Abu- Nuass which was reflected in the increase of damage ... Read More ...Thermal Annealing of the CdO/Si Hybrid Impulse Impregnated by Pulsed Iaser Deposition
Volume 27, Issue 14 , October 2009, Page 500-506
Abstract
In the present work, enhancement of the electrical and photovoltaic properties of CdO/ Si heterojunction device has been carried out. This has done by using classical thermal annealing ... Read More ...Wear Resistance for Thermosetting Polymer Blend
Volume 27, Issue 14 , October 2009, Page 507-516
Abstract
The research involves using Epoxy ,Unsaturated Polyester and Novolac resins ;they were needed to prepare ternary polymer blends; wear resistance including change load applied, sliding ... Read More ...Electrical and Electronical Properties of Silicon Nanostructure Produced by Electronical Etching
Volume 27, Issue 14 , October 2009, Page 2523-2530
Abstract
Porous silicon constituting silicon nanostructures layer have been produce on crystal silicon using different preparation condition in electronical etching process. The electrical properties ... Read More ...An Experimental Study Into The Effect Of Temperature And Pressure on The Hydraulic System
Volume 27, Issue 14 , October 2009, Page 2531-2545
Abstract
The present work is conducted in order to study the effect of oiltemperature and pressure variation on the hydraulic system performance at various ranges of temperature and pressure. ... Read More ...Soft Clay Soil Improvement Using Stone Columns and Dynamic Compaction Techniques
Volume 27, Issue 14 , October 2009, Page 2546-2565
Abstract
Soft clays are widely spread in Iraq particularly in its southern Mesopotamian plain. As many sites within these regions may be used for vital projects; an adequate solution has been ... Read More ...Rate-Based Model In Bubble-Cup Batch Distillation Column
Volume 27, Issue 14 , October 2009, Page 2566-2583
Abstract
The present work concerned with studying the behavior of batchmulticomponent plate distillation tower using Rate-Base model (Non-Equilibrium model) theoretically and experimentally. ... Read More ...An Automated Assembly Sequence Planning System
Volume 27, Issue 14 , October 2009, Page 2584-2594
Abstract
In this paper, a methodology called ASPS (computer-aided AssemblySequence Planning System) was developed to incorporate making decisions on process planning and production planning ... Read More ...Chattering Attenuation of Sliding Mode Controller Using Genetic Algorithm and Fuzzy Logic Techniques
Volume 27, Issue 14 , October 2009, Page 2595-2610
Abstract
Sliding Mode Controller design provides a systematic approach to theproblem of maintaining stability and consistent performance in the face of modeling imprecision. The major drawback ... Read More ...The Effect of Boundary Air Flow on Premixed Stationary Burning Velocity
Volume 27, Issue 14 , October 2009, Page 2611-2623
Abstract
In this study the effect of boundary condition on premixed methane-airstationary Bunsen flames has been experimentally investigated. Laminar burning velocity is calculated by the concentrated ... Read More ...Ehrhart Polynomials of a Cyclic Polytopes
Volume 27, Issue 14 , October 2009, Page 2624-2631
Abstract
Computing the volume of a polytope in Rn is a very important subject indifferent areas of mathematic. A pplications range from the very pure (number theory, toric Hilbert functions, ... Read More ...Influence of Post- Annealing on The Properties of Cuxs: Al, Fe Films Deposited By C B D
Volume 27, Issue 14 , October 2009, Page 2632-2641
Abstract
Thin films of copper sulfide (CuxS) were deposited at room temperature on glass substrates from solution containing copper (II) chloride, triethanolamine, and thiourea at appropriate ... Read More ...Chebyshev Polynomials and Spectral Method for Optimal Control Problem
Volume 27, Issue 14 , October 2009, Page 2642-2652
Abstract
This paper presents efficient algorithms which are based on applying the idea of spectral method using the Chebyshev polynomials: including Chebyshev polynomials of the first kind, ... Read More ...Optical and Structure Properties of MgxZn1-xO Thin Films by Pulsed Laser Deposition
Volume 27, Issue 14 , October 2009, Page 2653-2665
Abstract
In this study, the optical and structure properties of MgxZn1-xO thin films is reported. The MgxZn1-xO thin films were prepared on Glass substrates by Q-switch second harmonic Nd:YAG ... Read More ...Development of A Four Arms Viscoelasic Damper And Its Application To A Heavy Floor Vibration Due To Walking Excitation
Volume 27, Issue 14 , October 2009, Page 2666-2681
Abstract
High levels of unwanted vibrations are normally occur in light, and (or) long span floor systems due to human activities such as walking or jumping. It causes annoyance and discomfort ... Read More ...Increasing the Conductivity of Cadmium Telluride Films
Volume 27, Issue 14 , October 2009, Page 2682-2691
Abstract
The structural , optical and electrical properties of vacuum-evaporated CdTe thin films were investigated as a function of post-deposition annealing without and with CdCl2 treatment ... Read More ...Numerical Study Of Turbulent Natural Convection In An Enclosure With Localized Heating From Left Side
Volume 27, Issue 14 , October 2009, Page 2692-2710