Now showing items 81-100 of 2240

    • Mycoflora And Mycotoxins Of Corned Beef 

      El Maraghy, S. S. Mohamed [سعد شحاتة محمد المراغي]; Zohri, A. A. ( Qatar University , 1995 , Article)
      Sixty species and 5 varieties belonging to 21 genera of fungi were collected from 20 corned beef samples . The average total counts of fungi ranged from 56 -236,47-275 and 39-202 colonies /g on glucose - 10% NAC1 - glucose ...
    • Pelagic Fish Resources And Their Fishery Around Qatar 

      Sivasubramaniam, K.; Ibrahim, M. A. ( Qatar University , 1983 , Article)
      The existing pelagic fishery around Qatar is relatively smaller than the demersal fishery. Inshore and offshore gillnetting trolling and even bottom trawling, contribute to the production of pelagic fish species. About 30 ...
    • Balanced Cross-Section Across The Southern Utah Overthrust Belt (Otb) 

      Nowir, M. Atef [محمد عاطف نوير]; Grant, Sheldon K.; Grant, Sheldon K. ( Qatar University , 1995 , Article)
      Balanced cross-sections are offering the chance of better understanding of areas of complex geological structures that are insufficiently understood. Detailed field study and structural analysis by employing geometric ...
    • The Structures And Mode Of Formation Of Some Cyclodiphosphazane Derivatives With Urea And Thiourea 

      Ibrahim, E. H. M. [عز الدين حرب محمد ابراهيم]; Abd-Ellah, I. M.; El-Khazandar, A. N. ( Qatar University , 1986 , Article)
      The methods of preparation and possible reaction mechanisms for the formation of some geminal and nongeminal aminocyclodiphosph (v) azanes of the type (II - V) are discussed. These cyclodiphosphazanes obtained from the ...
    • On Stability in Multiobjective Integer Linear Programming: A Stochastic Approach 

      Saad, Omar M. [عمر محمد سعد]; Sharif, Walied H. [وليد حازم شريف] ( Qatar University , 2006 , Article)
      In this paper we consider a multiobjective integer linear stochastic programming problem individual chance constraints. We assume that there is randomness in the right-hand sides of the constraints only and that the random ...
    • Zinc Tolerance and Accumulation in Aspergillus oryzae Penicillium citrinum and Rhizopus stolonifer isolated from Saudi Arabian Soil 

      Al Obaid, A. M. [عبد الرحمن بن محمد العبيد]; Hashem, A. R. ( Qatar University , 1997 , Article)
      Aspergillus oryzae, Penicillium citrinum and Rhizopus stolonifer isolated from Taif soil, Saudi Arabia could survive in a liquid medium containing up to 500 ug/ml Zn. Aspergillus oryzae and Penicillium citrinum were more ...
    • Krein's Method For Singular Mixed Problems 

      Abdou, M. A.; Ezzeldin, Naglaa Y.; عبده, محمد; عز الدين, نجلاء ( Qatar University , 1993 , Article)
      In this paper, the spectral relations of the Fredholm integral equation of the first kind for the mixed problems with singular kernel are obtained.
    • Gonadal Development Of Lead Intoxicated Rat Embryos 

      El Shabaka, H. A. [حمزة احمد الشبكة] ( Qatar University , 1987 , Article)
      Pregnant rats injected with 60ju,g lead nitrate/gm body weight on day 8 of gestation showed a significant fetal resorption and reduced size of gonads on day 13.5 gestation. Incidence of fetal death and fetal resorption ...
    • The Role of Improper Use of Artificial Insemination on Infertility and Abortion in Cows in Basrah Province, Iraq: Microbiological Study 

      Mousa, H. A-L. [حيدر عبد اللطيف موسى]; Aziz, M. A. [مشتاق عبد المهدي عزيز]; Bakr, S. S. [سندس صديق بكر]; Jamaladdin, N. M. [نظام محمد جمال الدين] ( Qatar University , 2006 , Article)
      A prospective study was performed to demonstrate the infectious causes and their mode of transmission in cases of infertility and abortion in cows. There were 434 artificially inseminated cows, of which 155 (35.7%) did not ...
    • Phyto-Ecological Observations In Northern Oman 

      Batanouny, K. H. [كمال الدين حسن البتانوني]; Ismail, A. M. ( Qatar University , 1985 , Article)
      The present study has evolved out of a limited field work during a short visit to Oman. It is an attempt to record more detailed data on the plant communities and their habitat features in three sectors of northern Oman. ...
    • Regeneration from different levels along the tail of the geckonid lizard, Bunopus tuberculatus 

      Abdel Karim, Ahmed E.; عبد الكريم, أحمد السيد ( Qatar University , 1994 , Article)
      Study of the influence or amputation level on regenerate length, elongation rate and mitotic index of the tail of the geckonid lizard, Bunopus tuberculatus revealed that the tails amputated such that three-fourth, or ...
    • Annealing Behaviour, Tcr Values And Defect Density For "Cold-Condensed" Silver Films 

      Al Houty, L [لطيفة ابراهبم الحوطي] ( Qatar University , 1990 , Article)
      Thin silver films were deposited under vacuum of 10^ -6 Torr by thermal evaporation onto cooled glass substrates kept at low temperatures. Pure argon gas prevailed as residual gas. Annealing behaviour of the electrical ...
    • A Numerical Solution For The Bending Of A Plate Using The Boundary Element Method 

      Abbassi, Medhat M.; عباسي, مدحت ( Qatar University , 1992 , Article)
      In this paper the numercial solution for the bending of a plate is considered. The method used is called the Boundary Element Method (BEM). The BEM is a numerical method based on the boundary integral equation formulation ...
    • Effect Of Gossypol, Apogossypol And Gossypolone On Fatty Acids Pattern Of Lipid Fractions In Rat Serum And Seminal Fluid 

      El sharaky, A. S. [احمد صبحي الشراكي]; Sewedy, S. M.; El-Sayed, M. M.; El-Shahawy, I. N. ( Qatar University , 1994 , Article)
      he fatty acids pattern of the total lipid fractions of male rat serum and seminal fluids were studied under the effect of gossypol and some of its metabolites (Apogossypol and gossypolone). The applied dose of gossypol and ...
    • Strain Broadening of E.P.R. Linewidths in Fe/Mgo Single Crystals and Powders 

      Al Hawery, A. S.; Thorp, J. S.; Skinner, A. R. ( Qatar University , 2004 , Article)
      The E.P.R. linewidth of the M= + 1/2 <-» -1/2 transition of Fe3+ spectrum of Fe/MgO single crystals and powders have been measured at 9 GHz before and after annealing. The nominal iron concentrations ranged from 310 to ...
    • Evaluation of Electron Swarm Parameters in SF6 Using Monte Carlo Method 

      Settaouti, Abdelrahmane [عبد الرحمن ساتوتو]; Settaouti, Lahouaria [هورية ستاوتي] ( Qatar University , 2005 , Article)
      The motion of electrons in sulfur hexafluoride (SFo) in uniform electric fields is simulated using a Monte Carlo method. The swarm parameters are evaluated and compared with experimental results of drift velocity, electron ...
    • Ferricretes of the Early Tertiary Dammam Formation in the Dukhan Area, Western Qatar: mineralogy, geochemistry, and environment of deposition 

      Nasir, Sobhi J. [صبحي نصر]; Al-Saad, Hamad; Al-Sayigh, Abdul Razak; Al-Harthy, Abdul Rahman; Almishwat, Ali; ... more authors ( Qatar University , 2003 , Article)
      Ferricretes of the Middle Eocene Dammam Formation, Western Qatar, were investigated using petrographic and ore microscopy, IR TGA, XRD, and geochemical analyses. The ferricretes mainly consist of goethite, which is very ...
    • Mycoflora And Natural Occurrence Of Mycotoxins Of Chicken Stock 

      Saber, Sabah M. [صباح محمد صابر] ( Qatar University , 1993 , Article)
      Twenty four species and one species variety (belonging to 11 genera) and 20 species with the addition of two species varieties (belonging to 7 genera) were isolated on glucose-Czapek's agar and glucose-Czapek's agar medium ...
    • Transmetalation Mechanisms 

      Davies, G. [جيفري ديفز]; Al-Shehri, S.; Al-Kady, N.; El-Sayed, M. A.; El-Toukhey, A. ( Qatar University , 1993 , Article)
      Transmetalation is the stoichiometric replacement of the metals in a polymetallic target T with different metals from reagents called transmetalators, TM. Transmetalation at useful rates under mild conditions is an excellent ...
    • Karyotype, Meiosis And Sperm Formation In The Land Snail Macrochlamys Indica 

      El Alfy, Nagla Z. [نجلاء زكي الالفي]; Abdel-Rehim, A. H.; Al-Ali, K. A. ( Qatar University , 1994 , Article)
      Karyotype analysis, meiosis and sperm formation of the land snail Macrochlamys indica collected from different farms of ornamental plants in Doha city of the State of Qatar were investigated. The chromosome number is n=24 ...