Difference and Contradiction of Critique Methods to Produce Styles of Modulation in Architecture: (Architect Peter Eisenman as Example)
Difference and Contradiction of Critique Methods to Produce Styles of Modulation in Architecture: (Architect Peter Eisenman as Example)

Basim H. Al-Majidi; Baneen A. Al-Saadawi

Volume 36, 11A , November 2018, Page 1122-1143

https://doi.org/10.30684/etj.36.11A.1

Abstract
  Rapid changes and developments have brought contemporary intellectual theories and different and diverse ties to highlight the different and multiple concepts contribute to the definition ...  Read More ...
Hiding 9 Gray Images In RGB Image and Using Filters For Noise Removing
Hiding 9 Gray Images In RGB Image and Using Filters For Noise Removing

Haraa R. Hatem

Volume 36, 11A , November 2018, Page 1144-1147

https://doi.org/10.30684/etj.36.11A.2

Abstract
  This paper shows two major techniques, the first is steganography and the second is filters. Gaussian and median filters are used to enhance the quality of image and remove the noise. ...  Read More ...
Geomatics Techniques to Evaluate Bus Service Coverage A Case Study on Nasiriyah, Iraq
Geomatics Techniques to Evaluate Bus Service Coverage A Case Study on Nasiriyah, Iraq

Murtadha S. Satchet

Volume 36, 11A , November 2018, Page 1148-1157

https://doi.org/10.30684/etj.36.11A.3

Abstract
  In this paper, geomatics techniques were used to collect, build, and analyze a geo-database of the bus transport network. Spatial identification of bus routes and bus stops using GPS ...  Read More ...
Effect of V-Shape Twisted Jaw Turbulators on Thermal Performance of Tube heat exchanger: An Experimental Study
Effect of V-Shape Twisted Jaw Turbulators on Thermal Performance of Tube heat exchanger: An Experimental Study

Akram H. Abed; Nassr F. Hussein; Abdulmunem R. Abdulmunem

Volume 36, 11A , November 2018, Page 1158-1164

https://doi.org/10.30684/etj.36.11A.4

Abstract
  The main purpose of the present investigation is enhancing heat transfer rate in a tube heat exchanger by using V-shape twisted Jaws. The air is used as a working fluid and pumped through ...  Read More ...
New Accurate Wattmeter Based on Logarithmic Amplifiers
New Accurate Wattmeter Based on Logarithmic Amplifiers

Azzad B. Saeed

Volume 36, 11A , November 2018, Page 1165-1170

https://doi.org/10.30684/etj.36.11A.5

Abstract
  Analog Computers can realize most of mathematical equations; these equations can be solved using difference, adder, logarithmic, anti-logarithmic, integrator, and differentiator amplifiers. ...  Read More ...
Applying Modern Optimization Techniques for Prediction Reaction Kinetics of Iraqi Heavy Naphtha Hydrodesulferization
Applying Modern Optimization Techniques for Prediction Reaction Kinetics of Iraqi Heavy Naphtha Hydrodesulferization

Zaidoon M. Shakor; Anfal H. Sadeiq

Volume 36, 11A , November 2018, Page 1171-1175

https://doi.org/10.30684/etj.36.11A.6

Abstract
  In this study, a powerful modern optimization techniques such as Genetic Algorithm (GA), Particle Swarm Optimization (PSO) and Artificial neural network (ANN) were applied to estimate ...  Read More ...
Size Miniaturized Fractal Nested Circular Rings-Shaped Microstrip Antenna for Various Wireless Applications
Size Miniaturized Fractal Nested Circular Rings-Shaped Microstrip Antenna for Various Wireless Applications

Shereen A. Shandal; Mahmood F. Mosleh; Mohamed A. Kadim

Volume 36, 11A , November 2018, Page 1176-1184

https://doi.org/10.30684/etj.36.11A.7

Abstract
  In this paper; a wideband fractal circular rings shaped microstrip antenna over partial rectangular ground plane is presented. Fractal geometry technique is used in order to take advantage ...  Read More ...
Physical Properties Study on Ti-C/Nano-Ceramics Composite
Physical Properties Study on Ti-C/Nano-Ceramics Composite

Ahmed M. Al-Ghaban; Niveen J. Abdulkader; Hadeel A. Al baiaty

Volume 36, 11A , November 2018, Page 1185-1188

https://doi.org/10.30684/etj.36.11A.8

Abstract
  The effect of introducing Al2O3 and CuO nano particles on the physical properties of sintered Ti-C based materials has been studied. Titanium and carbon elemental powders have been ...  Read More ...
The Effect of Addition of CeO2 Nanoparticles on the Microstructure and Mechanical Properties of Ti-Al-Mg Compact Samples
The Effect of Addition of CeO2 Nanoparticles on the Microstructure and Mechanical Properties of Ti-Al-Mg Compact Samples

Mahdi M. Hanoon; Akeel A. Al-Attar; Ali M. Resen

Volume 36, 11A , November 2018, Page 1189-1195

https://doi.org/10.30684/etj.36.11A.9

Abstract
  In this research, Ti-15Al-5Mg alloy with different amount of CeO2 nanoparticles was prepared by powder metallurgy method, the powders of these materials were mixed together by ball ...  Read More ...
Corrosion Activity Laser Treated Aluminum-12% Silicon Alloy with Fe and Ti Powders at Two Different Energies
Corrosion Activity Laser Treated Aluminum-12% Silicon Alloy with Fe and Ti Powders at Two Different Energies

Mervit M. Hanoos

Volume 36, 11A , November 2018, Page 1196-1200

https://doi.org/10.30684/etj.36.11A.10

Abstract
  In This work, the corrosion activity of laser treated almium-12%silicon alloy was tested. The addition of Fe and Ti as elemental powders was studied. Two different laser energies of ...  Read More ...
Fault Diagnosis in Wind Power System Based on Intelligent Techniques
Fault Diagnosis in Wind Power System Based on Intelligent Techniques

Kanaan A. Jalal; Lubna A. Abd alameer

Volume 36, 11A , November 2018, Page 1201-1207

https://doi.org/10.30684/etj.36.11A.11

Abstract
  Wind energy is one of the most important sources as well as being environmentally friendly and sustainable. In this paper, different types of faults of Doubly-Fed Induction Generator ...  Read More ...
Effect of Inhibition by Honey on Corrosion Behavior of Composite Materials from Al-4% Si Alloy Reinforced with Y2O3 Particles
Effect of Inhibition by Honey on Corrosion Behavior of Composite Materials from Al-4% Si Alloy Reinforced with Y2O3 Particles

Hanna A Al-Kaisy; Mervit M. Hanoos

Volume 36, 11A , November 2018, Page 1208-1212

https://doi.org/10.30684/etj.36.11A.12

Abstract
  this work focuses on the preparation specimens of metal matrix composite materials exemplified alloy (Al-4%Si) reinforced by yttria particles Y2O3 with different weight percentage (1,2and ...  Read More ...