Browsing by Issue Date

Help

Browsing by Issue Date

Sort by: Order: Results:

  • Depth Dose Distribution For 252cf Source Using Solid State Detectors 
    Eissa, H.M.; Abdel-Wahab, M.S.; El-Enany, N.; El-Fiki, S.; El-Feky, M.A. (1991)
    LiF (600 and 700) and CR-39 plastic detectors were used for measuring fast and thermal 252^~ neutrons and y-ray doses from uz source in a tissue equivalent phantom. Conversion factors as well as related quality factors ...
  • Comparative study of depth dose distribution of fast neurons using solid state nuclear track detectors 
    Abdel-Wahab, M.S.; El-Enany, N.; Sharaf, M.A.; El-Fiki, S.; El-Feky, M.A. (1991)
    Neutron depth dose distribution in a water phantom for some plastics was measured. The experiment was made with Makrofol, CR-39 and LR-II5. The fluence distribution of 252Cf in air and in water phantom were investigated. ...
  • Level structure of 154 Gd 
    El-Kameesy, S. U.; Abdel-Wahab, M. S.; Al-Houty, L.; Abou-Leila, H. (Acta Physica Hungarica, 1992)
    The decay of154Eu to154Gd has been studied using H. P. Ge and H. P. Ge−NaI(Tl) spectrometers in coincidence measurements. 141 gamma transitions have been observed. One of these transitions is found to be new and has an ...
  • Nature of gamma background radiation and dose-rate in Ain Shams University 
    El-Kameesy, S.U.; Abdel-Wahab, M.S.; El-Faramawy, N. (Applied Radiation and Isotopes, 1992)
    A study of the background gamma radiation spectrum in Ain Shams University buildings was performed for the energy range 50 keV–3 MeV using a hyperpure Ge-detector. The absolute dose for each gamma line was calculated and ...
  • A Simple Calibration of a Whole-body Counter for the Measurement of Total Body Potassium in Humans 
    Abdel-Wahaw, M. S.; Youssef, S. K.; Aly, A. M.; El-Fikp, S. A.; EL-ENANY, N.; ABBAS, MAGDA T. (1992)
    A simple calibration procedure for the Inshas whole body counter for evaluating total body potassium has been adopted. More than 120 Egyptian employees in the Nuclear Research Center (N.R.C.) were studied for their total ...
  • منهج لتحسن كفاءة الصيانة بالفنادق من خلال تقييم الأداء الفعلي بعد الإشغال 
    خليل, وائل صلاح الدين بهلول (وائل صلاح الدين بهلول, 1997)
    يتناول البحث مفهوم و أهمية الصيانة لمباني الفنادق, و تكاليف عمليات الصيانة بالفنادق , و ضرورة حفضها و أساليبها و أيضاً شرحاً لمستويات التخطيط لأعمال الصيانة بالفنادق كما يتناول البحث شرحاً عن تقييم أداء الفنادق بعد إشغالها, ...
  • synthesis of new thiolated acyclonucleosides with potential anyi - HBV activity 
    Zeid, Ibrahim F.; Abdel Rahman, Adel A.-H.; Abdel-Megied, Ahmed E.-S.; El-Etrawy, Abd-Allah SH. (nucleosides and nucleotides, 1999)
    treatment of the sodium salt of compounds 1, 7 or 12 with chloroethyl methyl ether, 2- chloroethyl toluoylate or 2- (2- chloro ethoxy) ethyl acetate afforded the corresponding derviatives 2, 3, 4, 8, 9, 13 and 14 . ammonolysis ...
  • A Novel 256-Bit Block Cipher 
    Tolba, Mohamed Fahmy; Abdel Wahab, Mohamed Saeed; Hussien, Ashraf Saad; Abo El-Fotouh, Mohamed Ahmed (Faculty of Computers and Information Sciences,Ain Shams University,Cairo, Egypt, 2000)
    Tornado is a novel 256-bit block cipher that accepts a variable-length key up to 256 bits. The proposed cipher was built on an idea which gives it a dynamic nature. This nature means that the cipher execution flow varies ...
  • Locally advanced breast carcinoma. Does it still exist, and is there a chance for improving Quality of life? 
    F. Reda, Mahmoud (2002)
    In the period from 2003 till 2006 six cases of advanced breast cancer (stage 3 and 4) presented with uncontrollable local symptoms. This was in the form of severe local pain of the breast in 3 cases, extensive bleeding ...
  • Termination analysis in active Databases by using evolution graphs 
    Harb, Hany; Kelash, Hamdy; Shehata, Ahmed (2002)
    We introduce a method for rule termination analysis within active databases by using evolution graphs which simulating rule processing statically and considering both rule activation and deactivation. The evolution graph ...
  • cDNA Sequencing Of Fragments From Fibrinolytic Gene (F-4) From Cerastes Cerastes Venom Gland 
    Gaber, Dalia; Besheer, Ayman; Zaki, Kamelia; El-Asmer, M. Farid (Research Unit of Natural Toxins, Biochemistry Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt., 2004)
    A fibrinolytic anticoagulant (F-4) was previously isolated by Daoud et al; (1986) from Cerastes cerastes venom. In this study, isolation and sequencing of gene fragments of this F-4 protein was attempted. Primers utilized ...
  • Possibility of Cooperation between Islamic Banks and Conventional Banks 
    El-Gawady, Zeinab Mohamed (Misr University for Science & Technology, 2004)
    Islamic financial institutions have proven their strong capability in mobilizing financial resources, therefore 261 Islamic banks are now operating and managing about $250 billion. Although there are some constraints ...
  • Efficacy of Light-Emitting Diode Therapy on Diabetic Foot Ulcers 
    Bahey El-Deen, Heba A.; Nossier, Adel A.; Soliman, Mona M. (2004)
    The aim of this study was to determine the efficacy of light-emitting diode therapy in enhancement of chronic diabetic foot ulcer. Fifty patients participated in the study. They suffered from chronic foot ulcer as a ...
  • SecureSMSPay 
    Harb, Hany; Farahat, Hassan; Ezz, Mohamed (2004)
    In this paper, we introduce a secure Mobile Payment model suitable for macro transactions that compromise cost, simplicity, security, and performance of transaction, with minimum number of cryptography key usages, and ...
  • in fulfilment of the requirements for the degree of doctor of philosophy 
    el Diwany, Fatma Khalil Mostafa (2005)
    Willa Sibert Cather is an American author famous for her representation of the struggles of the early pioneers. She is mainly concerned with underlining the role of these pioneers in the establishment of the Garden of the ...
  • A comparative histological, histochemical and immunohistochemical study of the biocompatibility of three different nano-restorative materials implanted in rats’ connective tissue 
    El-Rouby, Dalia H.; Abdel- Halim, Sahar A. (Misr University for Science & Technology, 2005)
    This study was conducted to evaluate the subcutaneous connective tissue reaction to the newly-developed nano-restorative materials: Filtek Supreme XT, Ceram X and Ketac N100. These materials were placed in polyethylene ...
  • Surface Defects Detection for Ceramic Tiles Using Image Processing and Morphological Techniques 
    Elbehiery, H.; Hefnawy, A.; Elewa, M. (World Academy of Science, Engineering and Technology, 2005)
    Quality control in ceramic tile manufacturing is hard, labor intensive and it is performed in a harsh industrial environment with noise, extreme temperature and humidity. It can be divided into color analysis, dimension ...
  • Anti- Unemployment Policies in Non-Oil Countries in the Middle East and North Africa 
    El Gawady, Zeinab Mohamed; Kamal El Din, Maryam Walid (Misr University for Science & Technology, 2005)
    Unemployment is the lack of livelihood-producing work. Since the rise of Capitalism unemployment has increased. The population of the Middle East and North Africa is one of the fastest growing in the world. It has nearly ...
  • The Impact of E-commerce on Developed and Developing Countries 
    El Gawady, Zeinab Mohamed (Misr University for Science & Technology, 2005)
    Electronic commerce may have large economic effects in the future. Internet commerce will change the face of business forever. Moreover, e-commerce will change banking in 21st century. The e-commerce has affected the ...
  • Visual Inspection for Fired Ceramic Tile’s Surface Defects using Wavelet Analysis 
    Elbehiery, H. M.; Hefnawy, A. A.; Elewa, M. T. (ICGST-GVIP Journal, 2005)
    This paper deals with the visual inspection of ceramic’s tiles surfaces for the purpose of detecting flaws using a wavelet approach. Surface defects in the ceramic tiles are viewed as in-homogeneities in regularity ...