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السجلات المعروضة 131 -- 140 من 197
Multielement Analysis Of Suspended Particulates In Doha (Qatar) Air Before And During The Gulf War
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Qatar University
, 1994 , Article)
Efforts have been made to study the effect on Qatar atmosphere from the burning of Kuwait oil fields during the Gulf war. Analysis of suspended air particulates was done by X-ray fluorescence technique. Eight elements were ...
Effect Of Gossypol, Apogossypol And Gossypolone On Fatty Acids Pattern Of Lipid Fractions In Rat Serum And Seminal Fluid
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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 ...
Regeneration from different levels along the tail of the geckonid lizard, Bunopus tuberculatus
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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 ...
Diagenesis of the middle eocene "nummulite bank" of The giza pyramids plateau, Egypt: petrologic and 18o/16o evidence
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Qatar University
, 1994 , Article)
The Middle Eocene "nummulite bank" of the Giza Pyramids Plateau has been extensively altered diagenetically. The result of a study involving petrography, cathodoluminescence, and 18O/160 and 13C/12C data, provide information ...
Stable isotopic composition, stoicometry and origin of Siliceous dolomite of naqb siwa member Bahariya oasis, Egypt
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Qatar University
, 1994 , Article)
The Lower Campanian Naqb Siwa member exposed near Bahariya Oasis, Egypt, is a shoal ing-upward dolomite sequence that hosts chert nodules and lenses and cavity fillings of quartz and calcite. Dolomite is dominantly replacive, ...
On an inverse scattering problem with a discontinuous coefficient On the whole line
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Qatar University
, 1994 , Article)
This paper is devoted to study the inverse scattering problem of a generalized Sturm-Liouville equation on the whole line.The solutions of the considered problem and their asymptotic behaviour are presented.The expansion ...
Thermoluminescence induced by gamma radiation In LiCsSO4 Ferroelastic crystal doped With different heavy metals
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Qatar University
, 1994 , Article)
Thermoluminescence (TL) glow curves of lithium cesium sulphate ferroelastic crystals LiCsSO4 doped with 0.5% of Os, Tb, Eu and Tl have been studied in the temperature range from room temperature to 300"C. Three peaks are ...
Effect Of Cationic And Anionic Surfactants On Electrokinetic Potentials Of Cassiterite And Quartz In Presence Of Polyvalent Cations
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Qatar University
, 1994 , Article)
The effect of different polyvalent electrolytes (FeCl3, AICI3, LaCl3, CeCl3 and TI1CI4) on adsorption of different surfactants (primary amine hydrochloride, sodium oleate, sodium dodecyl sulfate and phenyl disodium ...
Scanning electron microscopy of the egg-shell of the fly synthesiomyia Nudiseta (wulp)
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Qatar University
, 1994 , Article)
The ultrastructure of the egg-shell of the fly Synthesiomyia nudiseta has been studied by scanning electron microscopy. The surface of the outer chorion is highly ridged, grooved and has a reticulate appearance except at ...
Thermoluminescence And Dielectric Properties Of An X-Ray Irradiated Double Sulphate Crystal
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Qatar University
, 1994 , Article)
Thermoluminescence measurements and A. C. conductivity o(w) for nonirradiated and x-ray irradiated Potassium Cesium Sulphate, KCSSO4, crystals have been studied. TL reader type Harshaw model 2000 A+B and the impedance meter ...