Number of Articles: 20
Hydrochemical Evaluation of Erbil City Aquifer / North of Iraq
Volume 27, Issue 10 , July 2009, Page 310-332
Abstract
Eribl city lies in the north part of Iraq within the middle basin of Eribl plain(1400) km2, while the city of Eribl is only (70) km2. The research deals with thestudy of hydrochemical ... Read More ...Study of Polymer Quenchants Effect on Some Properties of Stainless Steel alloy (316L).
Volume 27, Issue 10 , July 2009, Page 333-348
Abstract
This study is concerned with the effect of polymer quenching on someproperties of an austenitic stainless steel alloy (316L). Three different operationsof heat treatment have been done ... Read More ...Quantitative Analysis of Ternary Alloy's Content By means of Laser Induced Plasma Emission Spectroscopy
Volume 27, Issue 10 , July 2009, Page 1891-1900
Abstract
A quantitative elemental analysis of ternary alloy's content was carried outwith laser induced plasma emission spectroscopy. An energetic Nd: glass laserhave been focused on a set of ... Read More ...Heat Transfer from an Immersed Heater in Liquid – Liquid – Solid Fluidized Beds
Volume 27, Issue 10 , July 2009, Page 1901-1914
Abstract
Heat transfer from an immersed heating surface to a liquid-solid and liquid-liquidsolid fluidized beds have been studied. The experiments were carried out in a (0.22) m column diameter ... Read More ...The Effect of Zr loading on the Performance of Honeycomb Monolithic catalyst for the Removal of NO , CO and Hydrocarbon from Exhaust Gas
Volume 27, Issue 10 , July 2009, Page 1915-1936
Abstract
Catalytic monolith reactors have numerous applications in industrialprocesses and as technical devices, so the focus is set specially on automotive catalytic converters. In present ... Read More ...A New Narrow Band Dual-Mode Miniaturized Bandpass Filter Design for Wireless Communication Systems
Volume 27, Issue 10 , July 2009, Page 1937-1951
Abstract
A new narrowband, compact, and low profile microstrip filter design ispresented in this paper as a candidate for use in modern wireless systems. The proposed design is based on the ... Read More ...Lineaments Analysis and Mapping From Satellite Images For Southern Iraq
Volume 27, Issue 10 , July 2009, Page 1952-1965
Abstract
Synergistic display of data recorded by different remote sensing has proved extremely valuable for the extraction of geological features such as lineaments . Accordingly , two satellite ... Read More ...Expansion Method For Solving Linear Delay Integro- Differential Equation Using B- Spline Functions
Volume 27, Issue 10 , July 2009, Page 1966-1975
Abstract
The main goal of this paper lies briefly in submitting and modifying somemethods for solving linear delay integro-differential equations (L-DIDEs)containing three types (retarded, neutral ... Read More ...Improving Keystream Generation for Sosemanuk Stream Cipher Using Twofish Block Cipher
Volume 27, Issue 10 , July 2009, Page 1976-1991
Abstract
This paper will introduce two proposal algorithms (Snowfish 1) and the (Snowfish 2) to improve the Sosemanuk stream cipher algorithm by benefiting from the efficient properties of the ... Read More ...Modeling ofMixing in The Liquid Phase For Bubble Column
Volume 27, Issue 10 , July 2009, Page 1992-2007
Abstract
Hydrodynamic characteristics (mixing in the liquid phase) in a bubble column with a non-Newtonian liquid phase (aqueous solutions of carboxymethylcellulose, or CMC, at different concentrations) ... Read More ...Design and Simulation of Digital PLL Synchronizer for BPSK and QPSK Based on Software Defined Radio
Volume 27, Issue 10 , July 2009, Page 2008-2026
Abstract
This paper presents a design and simulation of digital PLL synchronizer, usingCostas loop based on SDR for high frequency communication systems. Designparameters are selected for each ... Read More ...Consolidation Characteristics of Unsaturated Soil
Volume 27, Issue 10 , July 2009, Page 2027-2046
Abstract
The most common three-phase problem in porous media is the flow of air and water. This is for example found in the unsaturated zone, where water infiltrates through partly saturated ... Read More ...A General Equation for the Flexural – Membrane Behaviour of Rigid – Plastic RC Square Slabs Having Variously Restrained Edges
Volume 27, Issue 10 , July 2009, Page 2047-2060
Abstract
Uniformly loaded rigid – plastic reinforced concrete (RC) square slabs havingsix different cases of boundary restraints have been recently analyzed(1) under thecombined effect ... Read More ...Aِ studing The Effect of Chemical Composition of Workpiece on Built Up Edge Formation And Surface Roughness
Volume 27, Issue 10 , July 2009, Page 2061-2071
Abstract
the phenomena built-up edge was the unwanted rough edge on cutting tool that is created by workpiece material welding onto the tool during cutting , occurs at the chip/tool interface ... Read More ...Simple Treatment Of Textile Industry Wastewater For Reuse And Recycling
Volume 27, Issue 10 , July 2009, Page 2072-2084
Abstract
The aim of the present work is at describing a simple physico-chemicaltreatment for the textile wastewater of a local plant to bring its characteristics tothat used within the plant. ... Read More ...Attribute Adjacency Matrix Approach for Extracting and Recognizing Manufacturing Prismatic Features from CAD Models
Volume 27, Issue 10 , July 2009, Page 2085-2099
Abstract
This paper introduces Developed Attributes Adjacency Matrix (DAAM)approach for extracting and recognizing of part’s features, by deal with decouplingor isolated manufacturing ... Read More ...Aircraft Jet Engine Electrical Starting System
Volume 27, Issue 10 , July 2009, Page 2100-2112
Abstract
This paper presents the study and analysis of the parameters of aircraft electricalstarting system by using multi-method multi-step starting process. The most importantparameters of ... Read More ...Modeling and Implementation of Space Vector PWM Driver of 3-Phase Induction Motor
Volume 27, Issue 10 , July 2009, Page 2113-2131
Abstract
This research proposes the design, simulation, and implementation of a three-phase induction motor driver, using voltage-fed Space Vector Pulse Width Modulation technique (SVPWM), which ... Read More ...A Simplified Method For Estimating The Peak Load In The Large Cold Stores
Volume 27, Issue 10 , July 2009, Page 2132-2141
Abstract
In this paper a simplified method for estimating the peak load in the large coldstores is found and its occurrence day by utilizing two new variables A & B. Thefirst variable represents ... Read More ...Scale Effects on the Hydrodynamics of Bubble Column
Volume 27, Issue 10 , July 2009, Page 2142-2164