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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, ...
Response of Nile Phytoplankton to Algicide (CuSO4, 5H2O) In Multispecies Chemostat Experiments
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Qatar University
, 1994 , Article)
The addition of CuSO4 . 5H2O (algicide) to cultures of phytoplankton populations from the river Nile, grown under steady-state conditions using chemostat, resulted in remarkable alterations in species composition, total ...
Petrographic And Chemical Microheterogeneity In Dolomite, Bahariya Oasis, Egypt
(
Qatar University
, 1994 , Article)
Dolomite samples from the lower member of the El-Hafhuf Formation (Turonian-Santonian) possess noticeable petrographic and chemical heterogeneity among their fabric components. Petrographically, the study samples can be ...
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 ...
Synergistic effect of amino acids and chloride ion on adsorption On copper metal
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Qatar University
, 1994 , Article)
The effect of adsorption of a- alanine, P-alanine, DL-aspartic, L-glutamine, iso-leucine and L-lysine in 1 M HC1 solution on the corrosion of copper has been studied using the potentiokinetic technique. The examined amino ...
Ultrastructural localization of acid and alkaline Phosphatases, glucose-6-phosphatase and odium-potassium Atpase enzymes in the neurosecretory and oesophageal Cells of earthworm
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Qatar University
, 1994 , Article)
In the present study we have localized acid and alkaline phosphatases, glucose-6-phosphatase and sodium-potassium ATPase (Na-K-ATPase) in ultra-thin sections of cerebral neurosecretory cells and oesophageal cells of the ...
Edaphic Gradients And Species Attributes Influencing Plant Distribution In Littoral Salt Marshes Of Qatar
(
Qatar University
, 1994 , Article)
Edaphic gradients of moisture and salinity are critical environmental stresses that seriously influence littoral salt marsh flora, and determine the zonation of coastal vegetation. Shoreline communities subjected to severe ...
إتجاهات الطلاب المعلمين بجامعة قطر نحو الجغرافيا وأتر التخصص الأكاديميي والجنس والمستوى الدراسي على هذه اتجاهات
(
Qatar University
, 1994 , Article)
نظام المحاسبة الحكومية في دولة قطر (تحليل وتقويم)
(
Qatar University
, 1994 , Article)
السمات الشخصية لطلبة كلية التربية بجامعة الكويت وعلاقتها ببعض المتغيرات الأكاديمية
(
Qatar University
, 1994 , Article)
يهدف هذا البحث إلى التعرف على بعض السمات الشخصية لدى عينة من طلبة وطالبات كلية التربية بجامعة الكويت وعلاقة هذه السمات ببعض المتغيرات الأكاديمية مثل التخصص والفرقة الدراسية والمعدل العام ومعدل التخصص. وبعد تطبيق اختبار ...