Browsing QU Ceased Journals by Title

Now showing items 841-860 of 2240

    • Production Of Extracellular Enzymes By Some Soil Yeasts 

      Falih, A. M. [عبد الله مساعد خلف الفالح] ( Qatar University , 1997 , Article)
      This study investigated the ability of soil yeasts, Geotrichum candidum, Geotrichum capitatum and Williopsis californica to produce extracellular enzymes (amylase, cellulase and protease) in vitro compared with that of a ...

    • Productivity And Economical Feasibility Of Multi Lateral Wells In Comparison Of A Horizontal Well 

      El Sayed, Abdel Alim H.; Al-Awad, M. N.; Al-Blehed, M. S.; Al-Saddiqui, M. A. ( Qatar University , 2000 , Article)
      This paper presents an economical model developed for assessing the feasibility of drilling multi lateral holes for exploiting oil reservoirs. Detailed equations are given for calculating the cost, return on investment and ...

    • The productivity of #Ness and +ity 

      Al Easa, Noor Sultan ( Qatar University , 1993 , Article)
      The theme of this paper is associated with word -formation rules that deal with productivity; however, the main discussion will be limited to morphological productivity. If a WFR is productive, then the native speaker can ...

    • Progress Of Ocean Sciences In India 

      Qasim, S. Z. ( Qatar University , 1999 , Article)

    • Proline Accumulation In Plants Of Different Ecological Groups As A Response To Water Deficit 

      Batanouny, K. H. [كمال الدين حسن البتانوني]; Hassan, A. H.; Zayed, K. M. ( Qatar University , 1985 , Article)
      The diurnal changes in proline content were investigated in different plants including a desert shrub (Retama raetam), a halophytic grass (Spombolus virgimcus) and a cultivated crop (Zea mays). Though these species have ...

    • Properties Of The Omani Sarooj 

      Hago, Abdel Wahid; Al-Rawas, Amer ( Qatar University , 1997 , Article)
      The fundamental properties of the Omani sarooj have been studied. Sarooj samples were collected from different sites to assess their pozzolanic activity. A laboratory testing program covering chemical and physical ...

    • A proposal for the revision of the professional component of a program of teacher education. 

      Fahmy, Mahmoud ( Qatar University , 1984 , Article)
      One of the anticipated outcomes of the following proposal is an organized statement of the content and experiences (curriculum) for the professional component of teacher education program which appropriately utilized the ...

    • Proteins of cottonseed (gossypium barbadense) .• extraction and characterization by electrophoresis 

      Sammour, Reda Helmy [رضا حلمي سمور]; El-Shourbagy, M. N.; Abo-Shady, A. M.; Abasary, A. M. ( Qatar University , 1995 , Article)
      The seed proteins of cotton (Gossypium barbadense) were quantitavely and qualitavely investigated. The qualitative study was carried out using different electrophoretic techniques ((PAGE, SDS-PAGE, Poro-PAGE, SDS-Poro-PAGE, ...

    • Proton And Carbon-13 Nuclear Magnetic Resonance Of Some 4-Amino-3-Alkyl (Aryl)-5-Thio-1,2,4-Triazolines And Their Derivatives 

      El Toukhy, Ahmed [احمد الطوخي]; Al-Kubaisi, Abdulla H.; Kenawy, Ibrahim ( Qatar University , 1991 , Article)
      The proton and carbon-13 NMR spectra of some 4-amino-3-alkyl(aryl)-5-thio-1,2,4-triazolines, some 3-alkyl-5-thio- 1,2,4-triazolines and some 4-amino-3-aryl-5-thio-l,2,4-triazoles were measured in DMSO-d6 as solvent. The ...

    • Pullulan production from sugar beat molasses 

      Kassim, Mohammad Bashir Ismail [محمد بشيراسماعيل قاسم]; Sultan, Raad Hussani ( Qatar University , 1997 , Article)
      Sugar beet molasses was used as the substrate for the production of pullulan with Aureobasidum pullulans ATCC 42023. In addition biomass, residual sugar and final pH of the culture medium were investigated. In comparing ...

    • The Pulse of Colour: in Virginia Woolf's 'To the Lighthouse' 

      McCarthy, Shaun ( Qatar University , 1979 , Article)

    • Pyrolysis Kinetics of Oil-Palm Solid Waste 

      Mohd Din, Azam T.; Hameed, Bassim H.; Ahmad, Abdul Latif ( Qatar University , 2005 , Article)
      Pyrolysis of oil-palm shells, a cheap and abundantly available solid waste from palm oil producing process, was carried out using thermogravimetric analysis. The effect of heating rates (10,15,20 and 25°C/min) on the kinetic ...

    • Pyrrolizidine alkaloids from alkanna orientalis (L.) Boiss 

      Hammouda, F. M. [فايزة محمود حمودة]; Ismail, S. I.; Hassan, N. M.; Tawfiq, W. A.; Kamel, A. ( Qatar University , 1992 , Article)
      Three pyrrolizidine alkaloids; 7-angelyl retronecine (I), 9-angelyl retronescine (II), and dihydroxytriangularine (III) were isolated by DCCC and VLC from Alkanna orientalis growing in Egypt. Their structures were elucidated ...

    • Pyrrolizidine alkaloids from heliotropium arbainense and h. Ovalifolium 

      Rizk, A. M. [عبد الفتاح محمد رزق]; Hammouda, F. M.; Hassan, N. M. ( Qatar University , 1991 , Article)
      Investigation of the pyrrolizidine alkaloids of Heliotropium arbainense resulted in the isolation and identification of heliotrine, europine and 7-angelylheliotrine. From H. ovalifolium three alkaloids were isolated: ...

    • Pyrrolizidine Alkaloids From Senecio Aegyptius L. 

      Rizk, A. M. [عبد الفتاح محمد رزق]; Hammouda, F. M.; Ismail, S. I.; Hassan, N. M. ( Qatar University , 1988 , Article)
      Investigation of the alkaloidal constituents of Senecio aegyptius L. resulted in the isolation and identification of senecionine, dehydrosenkirkine and probably an isomer of seneciphylline. TLC, HPLC and GLC showed the ...

    • Qualitative And Quantitative Assessment Of Drained Water From Urban Ground-Water 

      Al Hajri, Mohd. M.; Shadid, Fawzi T.; Al-Hajri, Khalid; Ahmed, Shamim ( Qatar University , 1992 , Article)
      Although the groundwater table in the State of Qatar peninsula is reducing, there is a persistent increasing level of groundwater in some areas in Doha city. This increasing tendency could be attributed to the topography ...

    • A Qualitative And Quantitative Survey On The Helminth Parasites Of Fishes From The Aswan High Dam Lake In Egypt 

      Soud, M.F.A. [محمد فتحي عبد الفتاح سعود]; Wannas, M. Q. A. ( Qatar University , 1984 , Article)
      The present investigation is concerned with a helminthological survey of 19 species of fish collected along different seasons from the Aswan High Dam Lake in the southernmost part of Egypt. 615 out of 850 fish (72.4%) are ...

    • A Qualitative Approach to Direct Inference Principle 

      Khayata, Mohamed Yasser [محمد ياسر خياطة] ( Qatar University , 2002 , Article)
      In this paper,we study the suitability of a symbolic model of syllogistic reasoning and direct inference principle with the representation and the management of knowledge based on statistical information and evaluated in ...

    • Qualitative Assessment Of Bottled Water In The Middle East 

      Ahmad, S; Saleem, Abdul ( Qatar University , 1996 , Article)
      Many brands of bottled water are being produced in the Middle East including the Gulf Cooperation Council (GCC) countries. Over fourteen brands of bottled water could be found in the market of Doha. Use of bottled water ...

    • Qualitative Dealing with Quantified Assertions 

      Khayata, Mohamed Yasser [محمد ياسر خياطة]; Jaam, Jihad Mohamad; Garcia, Laurent; Pacholczyk, Daniel ( Qatar University , 2002 , Article)
      In this paper we present a newapproach to a symbolic treatment ofquan-tified statements having the following form "Q A's are 5's", knowing that A and B are labels denoting sets,and Q is a linguistic quantifier interpreted ...