On Use of Linear and Nonlinear Models to Measure Compressive Strength of Concrete Bearing
On Use of Linear and Nonlinear Models to Measure Compressive Strength of Concrete Bearing

Azhar Hadi Mahdi

Volume 30, Issue 4 , February 2012, , Page 99-116

https://doi.org/10.30684/etj.30.4.15

Abstract
  Statistical and analysis researches are considered important in solving many problems, and taking suitable decisions, and sometimes predict incoming problems and solving them in near ...  Read More ...
Some Common Random Fixed Point Theorems In S- metric Space with New Type of Rational Contractive Conditions
Some Common Random Fixed Point Theorems In S- metric Space with New Type of Rational Contractive Conditions

Sameer Qasim Has; Tamara Shihab Ahmed

Volume 33, 1B , January 2015, , Page 99-109

https://doi.org/10.30684/etj.33.1B.11

Abstract
  In this paper , we prove some common random fixed point theorems for a new type of rational contraction mappings in generalized metric space which is called S –metric space .  Read More ...
Simulation and Optimization of Depropanizer Using Hysys Simulation Package
Simulation and Optimization of Depropanizer Using Hysys Simulation Package

Nidhal M. Abdul Razzak Al-Azzawi

Volume 31, Issue 18 , October 2013, , Page 100-121

https://doi.org/10.30684/etj.2013.83718

Abstract
  A new depropanizer is designed for the revamped petrochemical complex PC1 in Basrah. Conventional fractionation column is used to match the design of the existing plant. The feed to ...  Read More ...
Calculate theDry Season fromtheRainy Season For The City Of Baghdad
Calculate theDry Season fromtheRainy Season For The City Of Baghdad

Asraa Khtan

Volume 33, 4B , April 2015, , Page 100-105

https://doi.org/10.30684/etj.33.4B.20

Abstract
  The importance of the drought have been calculated for the city of Baghdad using percent of normalmethod (PN), a method used for the first time in Iraq, despite its importance in giving ...  Read More ...
Synthesis and Characterization of TiO2 Nanoparticles by Laser Ablation in Liquid
Synthesis and Characterization of TiO2 Nanoparticles by Laser Ablation in Liquid

Amenah A. Salman

Volume 34, 1B , January 2016, , Page 100-106

https://doi.org/10.30684/etj.34.1B.12

Abstract
  The laser ablation techniques was employed to prepare TiO2 nanoparticles by pulsed laser ablation of titanium target immersed in the double distilled deionized water using wavelength ...  Read More ...
Compared the Efficiency of Two Methods (Chemical and Biological) for Removal (Cadmium, Copper and Zinc) from Contaminated Water
Compared the Efficiency of Two Methods (Chemical and Biological) for Removal (Cadmium, Copper and Zinc) from Contaminated Water

Muntaha N. Althweni; Jenan H. Mohammed; Mayami H. Awad; Teba S. Ganee

Volume 34, 4A , April 2016, , Page 100-107

https://doi.org/10.30684/etj.2016.112942

Abstract
  In the present study two methods were used to compare the efficiency of removing heavy metals (cadmium, copper and zinc) from contaminated water, and by applying the method of adding ...  Read More ...
Design a Fuzzy PID Controller for Trajectory Tracking of Mobile Robot
Design a Fuzzy PID Controller for Trajectory Tracking of Mobile Robot

M.J. Mohamed; M.Y. Abbas

Volume 36, 1A , January 2018, , Page 100-110

https://doi.org/10.30684/etj.2018.136785

Abstract
  In this paper, a trajectory tracking control for a non-holonomic differential wheeled mobile robot (WMR) system is presented. A big number of investigations have been used the kinematic ...  Read More ...
Using Diode Laser for Determination of Hemoglobin and GOT in Blood
Using Diode Laser for Determination of Hemoglobin and GOT in Blood

Abd-Alrahman Rasheed. Mohammed Murad

Volume 27, Issue 3 , February 2009, , Page 101-110

https://doi.org/10.30684/etj.27.3.17

Abstract
  In this work , Semiconductor Laser Diode (SLD) emitting at 532nm wavelength and1 mW power was used to detect and analyze the Hemoglobin and GOT in Blood insteadof Spectrophotometer.  Read More ...
The Optimum Conditions for Arc Fusion to Splice Photonic Crystal Fiber and Single Mode Optical Fiber
The Optimum Conditions for Arc Fusion to Splice Photonic Crystal Fiber and Single Mode Optical Fiber

Mohammed S. Mehde; Salah Aldeen Adnan Taha; Ammar Anwer Ahmed

Volume 33, 1A , January 2015, , Page 101-113

https://doi.org/10.30684/etj.33.1A.9

Abstract
  This search deals with the empirically obtained conditions for the fusion splicing with photonic crystal fibers (ESM-12) and (SMF-28) by controlling the arc-power and the arc-time of ...  Read More ...
Behavior of Short Span Composite Beams Strengthened with CFRP Strips
Behavior of Short Span Composite Beams Strengthened with CFRP Strips

Ahmed F. Kadhum; Jian Yang; Sabih Z. Al-Sarraf

Volume 28, Issue 1 , January 2010, , Page 103-118

https://doi.org/10.30684/etj.28.1.9

Abstract
  The experimental program in this paper is divided into two groups: the firstone consists of seven composite beams; six of them were strengthened with oneand two CFRP strips and with ...  Read More ...
Some Factors Effecting on the Dielectric Strength for (PVC- Kaolin) Composites
Some Factors Effecting on the Dielectric Strength for (PVC- Kaolin) Composites
Volume 29, Issue 3 , February 2011, , Page 103-116

https://doi.org/10.30684/etj.29.3.18

Abstract
  This research includes the effect of kaolin additions to the polymer matrix (PVC) and study some factors affecting to dielectric strength. The kaolin powder was added as percentage ...  Read More ...
Assessing and Evaluating the Effect of Organic Matters on Clayey and Silty Soil Stiffness Properties
Assessing and Evaluating the Effect of Organic Matters on Clayey and Silty Soil Stiffness Properties

Aqeel Al Adilil; Kawther Y.H. Al-Soudany

Volume 31, Issue 19 , November 2013, , Page 103-119

https://doi.org/10.30684/etj.31.19A.8

Abstract
  Construction of building and other civil engineering structures on weak or soft soil is highly risky because such soil is susceptible to differential settlements, poor shear strength, ...  Read More ...
The effects of Cyanobactrum Chroococcus Minor and Oscillatoria amonea on Seed Germination of Plant Vigna radiate
The effects of Cyanobactrum Chroococcus Minor and Oscillatoria amonea on Seed Germination of Plant Vigna radiate

Ghaidaa Alrubaie

Volume 36, 2C , October 2018, , Page 103-107

https://doi.org/10.30684/etj.36.2C.1

Abstract
  Cyanobacteria are prokaryotic photosynthesis algae able to produce toxins and that cause problems in water quality, agriculture and aquatic organisms As well as concerns about the public ...  Read More ...
Friction and Wear of Aluminum-Silicon Alloys
Friction and Wear of Aluminum-Silicon Alloys
Volume 26, Issue 3 , March 2008, , Page 104-114

https://doi.org/10.30684/etj.26.3.13

Abstract
  The effect of iron and lead that added to Al-13%Si alloy on the phases, frictionand wear characteristics were studied. All friction and wear test specimens were dryslided on the carbon ...  Read More ...
Nested Method for Optimizing Elliptic Curve Scalar Multiplication
Nested Method for Optimizing Elliptic Curve Scalar Multiplication

N. M. Ghanim; M. A. Magamiss

Volume 35, 2B , February 2017, , Page 105-111

https://doi.org/10.30684/etj.2017.138621

Abstract
  The algebraic curve that attracted considerable interest in recent years is called Elliptic Curve (EC). This is due to the computational complexity of its arithmetic over a finite field. ...  Read More ...
Determination Some Creep Factors For Lead Under Tension
Determination Some Creep Factors For Lead Under Tension

Tariq Mohammed Ali Al Nuaimi

Volume 33, 8B , October 2015, , Page 106-118

https://doi.org/10.30684/etj.2015.117205

Abstract
  There are a lot of engineering structures working at elevated temperatures for long periods, as in chemical plants, generation, transfer and energy application or devices uses of energy, ...  Read More ...
Effect of Surfactant Additives on Phase Inversion in Oil-Water Pipe Flow System
Effect of Surfactant Additives on Phase Inversion in Oil-Water Pipe Flow System

A.A. Alwasiti; N.M. Farhan

Volume 35, 2A , February 2017, , Page 106-110

https://doi.org/10.30684/etj.2017.127319

Abstract
  This research investigates the effect of surfactant additives on phase inversion point in the oil-water flow in horizontal pipe. Two types of surfactants were used in the experiments; ...  Read More ...
Effect of Honey on Mice in Vitro Fertilization (IVF)
Effect of Honey on Mice in Vitro Fertilization (IVF)

Wasnaa Hatif Mohammed

Volume 32, 1B , January 2014, , Page 107-113

https://doi.org/10.30684/etj.32.1B.13

Abstract
  Traditionally, honey is frequently consumed by the local population as a nutrient, as well as for the enhancement of fertility and vitality. This study concerning the effects of honey ...  Read More ...
Characterization of Rheocast Al-Mg Alloy
Characterization of Rheocast Al-Mg Alloy

Awfa Abdul-Rasoul; Zainab Kassim Hassan

Volume 34, 1B , January 2016, , Page 107-120

https://doi.org/10.30684/etj.34.1B.13

Abstract
  The present work encompasses the development of a new method of cooling plate casting process by changing the inlet and outlet of water flow which is different from the conventional ...  Read More ...
Study of Polymer Quenchants Effect on Some Properties of Alloyed Tool Steel (X155)
Study of Polymer Quenchants Effect on Some Properties of Alloyed Tool Steel (X155)
Volume 28, Issue 4 , February 2010, , Page 108-121

https://doi.org/10.30684/etj.28.4.20

Abstract
  This study is concerned with the effect of polymer quenching on someproperties of an alloyed tool steel (X155). Three different operations of heat treatmenthave been done including ...  Read More ...
Estimate the Proportion of Soil Contamination at the University of Technology by Lead Metal
Estimate the Proportion of Soil Contamination at the University of Technology by Lead Metal

Rashed Taleb Rasheed; Hadeel Salah Mansor

Volume 31, 5 B , May 2013, , Page 108-113

https://doi.org/10.30684/etj.31.5B.14

Abstract
  The focus of this study estimate the proportion of soil contamination in the University of Technology lead metal using atomic absorption spectrometer Flame (AAS), and the results showed ...  Read More ...
The Emitted Emissions of Compression Ignition Engine Fueled with Iraqi Diesel Fuel during Idle Time
The Emitted Emissions of Compression Ignition Engine Fueled with Iraqi Diesel Fuel during Idle Time

Miqdam Tariq Chaichan

Volume 34, 4A , April 2016, , Page 108-116

https://doi.org/10.30684/etj.34.4A.13

Abstract
  Idle emissions of unburnt hydrocarbon (HC), CO, CO2, NOx, particulate matter (PM) and noise were measured from multi cylinder direct injection diesel-fueled engine. The purpose was ...  Read More ...
Modified Method For Generating B-Spline Curves of Degree Three And Their Controlling
Modified Method For Generating B-Spline Curves of Degree Three And Their Controlling

Abdul Monem S. Rahma; A.Y. Abdullah; A.M. J. Abdul-Hussen

Volume 30, Issue 1 , January 2012, , Page 109-127

https://doi.org/10.30684/etj.30.1.10

Abstract
  The reaction between designer, and design needs modified methods to control the design. This paper presents modified mathematical technique for controlling the generation of the 2D ...  Read More ...
Use of Bernstein Polynomial in Numerical Solution of Nonlinear Fred Holm Integral Equation
Use of Bernstein Polynomial in Numerical Solution of Nonlinear Fred Holm Integral Equation

Khawla A .AL-Zubaidy; Muna M. Mustafa

Volume 29, Issue 1 , January 2011, , Page 110-115

https://doi.org/10.30684/etj.29.1.10

Abstract
  In this paper, Bernstein polynomials with different degree has been used to approximate the solution of nonlinear Fredholm integral equations. A comparison between the different degree ...  Read More ...
A Zero Knowledge Authentication Protocol Based on Novel Heuristic Algorithm of Dense Induced Subgraphs Isomorphism
A Zero Knowledge Authentication Protocol Based on Novel Heuristic Algorithm of Dense Induced Subgraphs Isomorphism

N. M. G. Al-Saidi; N.A. Rajab; H. N. Abdul-Rahman

Volume 33, 1B , January 2015, , Page 110-126

https://doi.org/10.30684/etj.33.1B.12

Abstract
  Graphs provide an useful mathematical tool for modeling various real world phenomena. Dense graphs arise in many places of interest, for instance the internet and social networks to ...  Read More ...