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  • On The Category of Graded Module 
    Omar Adnan; Abdulsatar J. AL-Juburie; Lieth A. Majed (2023)
    In this article, we introduce some results on category theory and construct some propositions and examples for the category of R-module, and graded R-module, differential graded Rmodule. Also we gave the proof for results.
  • On the Performance of All Optical Wireless Communications Based on Optical Nonlinear Generators 
    Lwaa Faisal Abdulameer; Ali Salah Mahdi (University of Diyala – College of Engineering, 2020)
    Erbium Doped Fiber Ring Laser (EDFRL) and Mach-Zehnder Interferometer (MZI) are being used to generate optical nonlinear signals to increase the level of security. Using nonlinear components in communication systems are ...
  • On The Product Of Positively Defined Operators 
    Mahmood Kamil Shihab (university of Diyala, 2017)
    The main result is to prove that the product of two positively defined operators is positively defined if and only if it is normal. In general, the normality is required can not be dropped.
  • On Training Of Artificial Neural Networks 
    L.N.M.Tawfiq; R.S.Naoum (مجلة الفتح للبحوث التربوية والنفسية, 2005)
    In this paper we describe several different training algorithms for feed forward neural networks. In all of these algorithms we use the gradient of the performance function, energy function, to determine how to adjust ...
  • On 𝑷𝜷-Open Sets and 𝑷𝜷-Irresolute Functions 
    Jamil Mahmoud Jamil Intisar Elaiwi Ubaid (University of Diyala, 2016)
    The main purpose of this paper is to introduce and study generalization of open sets called 𝑃𝛽- open. This class is weaker than the class 𝑝𝜃-open sets and stronger than the class pre-open sets. We studied the relation ...
  • On 𝝑-Open Set and Some of its Applications 
    Jamil Mahmoud Jamil and Intisar Elaiwi Ubaid (University of Diyala, 2019)
    In this work, we study and introduce new type of open sets is called -open. We characterize these sets and investigate some of their mainly properties. Further, we present various functions are associated with -open, ...
  • Open Carpal Tunnel Decompression Under Local Anaesthesia for Treatment of Carpal Tunnel Syndrome ( C.T.S) 
    Abdulrahman Saeed Ahmed (University of Diyala - College of Medicine, 2013-10)
    Background: Carpal tunnel syndrome is an entrapment neuropathy of the median nerve at the wrist underneath the flexor retinaculum .It's widely more common in females than males, usually responding to conservative treatment ...
  • Open Loop & Closed Loop Vector Control of VFD Three Phase Version Induction Motor Drives 
    Husham Idan Hussein; Ahmed Ibrahim Jaber (University of Diyala – College of Engineering, 2017)
    In this paper, a design of a vector control algorithm for a three-phase induction motor. The three phase AC induction motors are a popular in manufacturing industries as it has many benefits. It is quite simple and minimum ...
  • THE OPINIONS OF TEACHING MEMBERS OF COLLEGE OF AGRICULTURE-TIKRIT UNIVERSITY REGARDING THE SIZE AND IMPORTANCE OF DSERTIFICATION PROBLEMS IN SALAHDDIN GOVERNARATE AND ITS RELATION WITH SOME VARIABLES 
    Ali Ahmed Ghaidhaib (University of Diyala / College of Agriculture, 2018-12)
    The research aims were to determine the size and the importance of desertification problems in Salahddin governorate and relationship between the size of the problems and their importance, and to determine correlation ...
  • Optical and Structural Properties of Mg Doped ZnO Thin Films 
    Sarwar I. Saleh (university of Diyala, 2014)
    Thin films of ZnO and Mg doped ZnO were prepared by chemical spray pyrolysis. . The optical energy gap was increased from (3.27-3.54) eV as the Mg content increases, while all the optical parameters show a reverse behavior, ...
  • Optical Fiber Amplifiers: Optimization and PerformanceEvaluation 
    A. k. Abass; Mohammed J. Abdul-Razak; Haneen H. Mohammed; Suad M. Kadhim; Mohammed A. Salih (University of Diyala – College of Engineering, 2019)
    This work demonstrates the simulation of two different types of optical fiber amplifiers (OFA) utilizing OptiSystem–10, namely, 3 m length of erbium doped fiber amplifier (EDFA) and 7 km length of Raman fiber amplifier ...
  • Optical Fiber Bragg Grating Temperature Sensor 
    Marwan L. Yousf; Ihssan A. Kadham; Tahreer S. Mansour; Khalil I. Hajim (University of Diyala – College of Engineering, 2014-12-01)
    In this work, uniform Fiber Bragg Grating (FBG) temperature sensor system were implemented and investigated due to measurement of the Bragg wavelength shift. An (FBG) is an optical fiber in which the refractive index in ...
  • Optical Parameters of (KMnO4) Doped (PVA) 
    Widad Hano Abass (university of Diyala, 2013-07-01)
    Films of pure (PVA) and (PVA) doped by (KMnO4) have been prepared using casting method. We have studied the effect of(KMnO4) dopant on the optical properties of a polymer poly(vinyl alcohol) (PVA). Optical band energy ...
  • Optical properties of polyvinyl alcohol (PVA) films doped with CoCH3COOH salt. 
    Sabah A. Salman; Zainab A. Al-Ramadhan; Zainab F. Nazal (university of Diyala, 2014)
    The optical characteristics of polyvinyl alcohol (PVA) films doped with different concentrations (0, 1, 3, 5, 7 and 10 wt%) of CoCH3COOH salt powder were studied. The optical transmittance (T%) in the wavelength range ...
  • Optical properties of V-doped ZnO thin films prepared by chemical spray pyrolysis method 
    نادر فاضل حبوبي; صباح انور سلمان; كاظم مصطفى كاظم ** (university of Diyala, 2012)
    In this research; The effect of vanadium doped ZnO at different ratios (1,3,5,7)% on the optical properties has been studied. These thin films were prepared by the chemical spray pyrolysis technique and deposited on the ...
  • Optimal Design of Industrial Reactor for Naphtha Thermal Cracking Process 
    Aysar Talib Jarullah, Arkan Jasim Hadi (University of Diyala – College of Engineering, 2015)
    The ethylene production is regarded one of the most significant issues for chemical industries and improving its production operation can bring several benefits. Thus, the market demand for ethylene production has accelerated ...
  • OPTIMAL ECONOMIC DISPATCH BIASED ON PARTICLE SWARM OPTIMIZATION: 400kv IRAQI SUPER GRID 
    Mohammed Kdair Abd (University of Diyala – College of Engineering, 2012-06-01)
    In this paper application of Particle Swarm Optimization (PSO) based algorithm for Optimal Power Flow (OPF) in Economic Dispatch (ED) was studied. Firstly, this method is dynamic in nature and it beats the arrears of other ...
  • Optimal Kinetic Parameters of Trickle bed Reactor for Oxidation of 2-Proplymercaptan in Naphtha 
    Amer Talal Nawaf (University of Diyala – College of Engineering, 2019)
    The best kinetic of the reaction are estimated based on experimental data obtained from the literature using parameter estimation technique. The best mathematical model for oxidative 2-proplymercaption via oxygen is taking ...
  • Optimal Land Use Classification for Iraq Cities 
    Nabil T. Ismael; Ali Awda Mohammed; Samaan Majeed Yas (University of Diyala – College of Engineering, 2020)
    The classification of land uses in the city is an essential element for the organization and distribution of land uses when it is preparing and updating master plans for cities. The land uses in each country are divided ...
  • Optimal Solution for Simultaneous Multicriteria Problem 
    Adawiya A. Mahmood Al-Nuaimi (University of Diyala, 2016)
    This paper considers a branch and bound (BAB) algorithm for simultaneous multicriteria problem of minimizing the sum of the three criteria of total completion time, maximum tardiness and maximum late work within the ...