اثر السمة التأريخية في تشكيل الأعراف المعمارية
اثر السمة التأريخية في تشكيل الأعراف المعمارية
Volume 26, Issue 4 , April 2008, Page 143-168

https://doi.org/10.30684/etj.29.4.11

Abstract
  From past the architecture dealing with pre experiments for benefit to productand the smith the new by many tactics, because the dogmatic reality bynecessity of past to make the present ...  Read More ...
دراسة عددية لانتقال الحرارة بالحمل الحر داخل فجوة مملوءة بوسط مسامي مشبع بوجود توليد حراري داخلي
دراسة عددية لانتقال الحرارة بالحمل الحر داخل فجوة مملوءة بوسط مسامي مشبع بوجود توليد حراري داخلي
Volume 26, Issue 4 , April 2008, Page 169-184

https://doi.org/10.30684/etj.29.4.12

Abstract
  Two – dimensional, steady natural convection in a rectangularcavity filled with a heat generating saturated porous medium has beenstudied numerically for the case when the vertical ...  Read More ...
دراسة بعض العوامل المؤثرة على لحام المونة لربط الفولاذ مقاوم الصدأ (CK مع الفولاذ منخفض الكاربون ( 15 ( AISI 316L )
دراسة بعض العوامل المؤثرة على لحام المونة لربط الفولاذ مقاوم الصدأ (CK مع الفولاذ منخفض الكاربون ( 15 ( AISI 316L )
Volume 26, Issue 4 , April 2008, Page 185-201

https://doi.org/10.30684/etj.29.4.13

Abstract
  Similar Plates of stainless steel (AISI 316L) and dissimilar plates ofstainless steel (AISI 316L) and low carbon steel (Ck15) are welded by brazingusing copper base non- active filler ...  Read More ...
استخدام خوارزمية طريقة تطوير مو لد قطع المستوي لإيجاد الحل العددي لمسائل البرمجة الكسرية
استخدام خوارزمية طريقة تطوير مو لد قطع المستوي لإيجاد الحل العددي لمسائل البرمجة الكسرية
Volume 26, Issue 4 , April 2008, Page 202-207

https://doi.org/10.30684/etj.29.4.14

Abstract
  There are many methods for solving Fractional Programming problems thatgetting the optimal solution of the problem where the values of variables arefractional numbers not integer numbers, ...  Read More ...
تصميم وتقييم منظومة تركيز ليزرالنديميوم- ياك
تصميم وتقييم منظومة تركيز ليزرالنديميوم- ياك
Volume 26, Issue 4 , April 2008, Page 208-213

https://doi.org/10.30684/etj.29.4.15

Abstract
  An optical system has been designed with spherical lenses to focus high power (~kJ) , Nd-YAG laser (1.06)μm with 55mm beam diameter to spot size diameter(1.248μm ). Minimum number ...  Read More ...
Electrochemical Studies of Heat Treated Ti-6Al-7Nb alloy used in Surgical Implant Application
Electrochemical Studies of Heat Treated Ti-6Al-7Nb alloy used in Surgical Implant Application

Sami Abulunoun Ajeel

Volume 26, Issue 4 , April 2008, Page 394-407

https://doi.org/10.30684/etj.29.4.1

Abstract
  biocompatibility. Vanadium-free Ti-6Al-7Nb alloy has been developed as apotential alloy for providing improved corrosion and wear resistance for orthopedicimplant devices, and to avoid ...  Read More ...
Hydrochemical study of Rain Water In Baghdad city-Iraq
Hydrochemical study of Rain Water In Baghdad city-Iraq

Jaafar Sadeq Maatooq; Aqeel Shakir Al-Adili

Volume 26, Issue 4 , April 2008, Page 408-422

https://doi.org/10.30684/etj.29.4.2

Abstract
  The chemical substance dissolved in rain water are generally considered to have two atmosphericsources, dry fallout and/or soluble salts. The present study deals with the rain water ...  Read More ...
Enhanced the response time of the P-N junction Photodetector
Enhanced the response time of the P-N junction Photodetector

Khawla S. khashan; Evan T. Salem; Mukaram A. Fakhery

Volume 26, Issue 4 , April 2008, Page 423-428

https://doi.org/10.30684/etj.29.4.3

Abstract
  In the present work, the response time of p-n junction photo-detector has been achieved by using the rapid thermalannealing (RTA) technique in which the annealing time has been ranged ...  Read More ...
Study of Thermal Characteristics of a Composite Specimen Experimentally and by Using Finite Element Method
Study of Thermal Characteristics of a Composite Specimen Experimentally and by Using Finite Element Method

Jawad Kadhim Uleiwi; Sura Salim

Volume 26, Issue 4 , April 2008, Page 429-441

https://doi.org/10.30684/etj.29.4.4

Abstract
  This research deals with the study of the effect of fibers volumefraction and fibers orientation on the thermal conductivity and wall surfacetemperatures for composite specimen in form ...  Read More ...
Optoelectronic properties of ZnO/PS/n-Si Heterojunctions
Optoelectronic properties of ZnO/PS/n-Si Heterojunctions

Khawla S. Khashan

Volume 26, Issue 4 , April 2008, Page 442-448

https://doi.org/10.30684/etj.29.4.5

Abstract
  In this work a colloid of nanocrystalline ZnO particles is prepared bychemical method, and then sprayed on porous silicon substrate which is preparedby electrochemical etching under ...  Read More ...
Study the Adhesion Force of Tubular Shaped Fiber Reinforced Composites
Study the Adhesion Force of Tubular Shaped Fiber Reinforced Composites

Adnan A. AbdulRazak; Najat j. Saleh; Hussein Ali Hamid AL-Abdly

Volume 26, Issue 4 , April 2008, Page 449-457

https://doi.org/10.30684/etj.29.4.6

Abstract
  In the present work tubular –shaped fiber reinforced composites weremanufactured by using two types of resin epoxy (EP) and unsaturated polyester(UP),each was separately reinforced ...  Read More ...
Effect of Magnetic field on the growth of Escherichia coli and Staphylococcus aureus
Effect of Magnetic field on the growth of Escherichia coli and Staphylococcus aureus

Samir H.Nasher; Amal A.Hussein

Volume 26, Issue 4 , April 2008, Page 458-461

https://doi.org/10.30684/etj.29.4.7

Abstract
  Magnetic fields with two densities (1200 , 3200)gauss experminted on twokinds of bacteria Escherichia coli and Staphylococcus aureus in Nutrient brothmedia . The field subjected for ...  Read More ...
Sulfur Dioxide Removal in Coal Slurry Reactor
Sulfur Dioxide Removal in Coal Slurry Reactor

Neran K. Ibrahim; Zainab A. Jawad

Volume 26, Issue 4 , April 2008, Page 462-477

https://doi.org/10.30684/etj.29.4.8

Abstract
  The objective of this work was to study the feasibility of using coalslurry for the removal of SO2 from simulated flue gas stream (air,SO2). The effect of gas rate, temperature, and ...  Read More ...
EFFECT OF IRRADIATION ON COMPRESSIVE STRENGTH OF EPOXY REINFORCED WITH GLASS FIBERS
EFFECT OF IRRADIATION ON COMPRESSIVE STRENGTH OF EPOXY REINFORCED WITH GLASS FIBERS

Sheelan R. Areef

Volume 26, Issue 4 , April 2008, Page 478-483

https://doi.org/10.30684/etj.29.4.9

Abstract
  The compressive strength was investigated for epoxy resin type (DGEBA) before and afterreinforcing with glass fibers (woven roven, chopped strand mat, and two types together as asandwich ...  Read More ...
CONTRIBUTION OF LIQUID ASPHALT IN SHEAR STRENGTH AND REBOUND CONSOLIDATION BEHAVIOUR OF GYPSEOUS SOIL
CONTRIBUTION OF LIQUID ASPHALT IN SHEAR STRENGTH AND REBOUND CONSOLIDATION BEHAVIOUR OF GYPSEOUS SOIL

SAAD I. SARSAM; SALAH W. IBRAHIM

Volume 26, Issue 4 , April 2008, Page 484-495

https://doi.org/10.30684/etj.29.4.10

Abstract
  AbstractThis paper deals with the effect of stabilizing gypseous soil using two liquid Asphalttypes (cutback and emulsion) on its behavior in shear strength and reboundconsolidation.Soil-Asphalt ...  Read More ...