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Now showing items 21-30 of 1388
Geology, Petrography, Geochemistry And Petrogenesis Of The Egyptian Younger Granites
(
Qatar University
, 1990 , Article)
One hundred and thirty nine new chemical analyses of major and trace elements for 26 plutons and masses pertaining to the Egyptian Younger Granites are presented together with the chemical analyses of 13 biotites, 32 ...
Constituents Of Green Beans Phaseolus Vulgaris (Lipids And Flavonoids)
(
Qatar University
, 1992 , Article)
Chemical study of the lipid fraction resulted in the isolation and identification of a hydrocarbon fraction (n-Czg -0-033); an aliphatic alcohol fraction (C^, Czp, €30) and a sterol fraction (stigmasterol and sitosterol). ...
Azo-Hydrazo Tautomerism: Further Evidence Based On Polarographic Reduction And Acidity Function Of Some Heterocyclic Compounds Containing Oximino-Group
(
Qatar University
, 1994 , Article)
Potentiometric pKa and polarographic behaviour of l,3-indandione-monoxime-2-phenyl azo and four of its substituted derivatives were investigated in buffer solution of pH -2-12. The results showed that the compounds are in ...
Temperature-salinity structure and mixed layer in the Western Mediterranean Sea
(
Qatar University
, 1997 , Article)
The hydrographic data taken during 1932 — 1985 were analyzed to present the mean temperature structure and the mixed layer in the different basins in the Western Mediterranean Sea. The data indicate that a surface mixed ...
Discrimination of Coastal Sediments around Qatar Peninsula, Using Remote Sensing Techniques
(
Qatar University
, 1999 , Article)
This paper aims at demonstrating the usedfulness of remote sensing techniques in identifying various types of coastal sediments around Qatar Peninusla. In this respect, Landsat-Thematic mapper (TM) multispectral data provide ...
Pan African magmatism in the Zabara District, Central Eastern Desert, Egypt: Geochemistry and Petrogenesis
(
Qatar University
, 1997 , Article)
The rocks of the Zabara district include ophiolitic and non-ophiolitic sequences. The ophiolitic ones are metagabbro and metabasalt associated with metasediments, whereas the non -ophiolitic sequence includes intermediate ...
المرأة ورواية الحديث النبوي
(
المعهد الوطني للتعليم العالي للحضارة الإسلامية
, 1998 , Article)
كان للمرأة المؤمنة دور في التاريخ الإسلامي لا يقل أهمية عن دور الرجل، ولكن في عفة وكرامة وتمايز للطبائع والأدوار، ومن تمام الخلق أن يكون كل مخلوق ميسرا لما خلق لأجله، وقد حثت نعاليم الإسلام على التبليغ. فقال صلى الله عليه ...
A Packed Column Gas Liquid Chromatographic Method For Characterization And Determination Of Unsaponifiable Matter In Oils
(
Qatar University
, 1991 , Article)
A packed column GLC method for the detection and determination of the components of unsaponifiable matter in oils is described. Squalene, 8 -tocopherol and short chain hydrocarbons with up to 26 carbon atoms are determined ...
The Status Of Qatar's Fisheries During 1980-1990
(
Qatar University
, 1992 , Article)
The present study was conducted to overview the status of Qatar's fisheries during 1980-1990, using the fishery statistics data. issued annually by the Department of Fisheries, Ministry of Municipal Affairs & Agriculture, ...
Glaciations In The Arabian Peninsula
(
Qatar University
, 1990 , Article)
Glaciations affected the Arabian Peninsula three times. This was during the Late Ordovician, the Late Carboniferous-Early Permian, and the Pleistocene. Recorded evidence of Paleozoic glaciations in Arabia, includes tillites, ...