Search
Now showing items 161-170 of 197
آراء عينة من الطلبة القطريين بشعبتي الأدبي بالمرحلة الثانوية العامة حول أسباب العزوف عن دراسة الرياضيات
(
Qatar University
, 1994 , Article)
Response of Date Palm Pollen Tube Growth to Storage Period and Conditions
(
Qatar University
, 1994 , Article)
The growth rate of pollen tube of date palm (Pheonix dactylifera L.) pollen grains stored either freeze-dried or unfreeze-dried at 25, 4 and - 8°C was measured after 3,7 and 12 months of storage. The growth of pollen tube ...
بناء وتقنين مجموعة من الاختبارات البدنية لقياس القدرات الحركية للناشئين فى رياضة ألعاب القوي : دراسة مقارنة بين بعض طرق التدوير العاملي
(
Qatar University
, 1994 , Article)
تمويل التعليم الجامعي والعالي صيغة التقليدية والبديلة دراسة نقدية تحليلية مع إشارات مقترنة
(
Qatar University
, 1994 , Article)
Ultrastructural localization of acid and alkaline Phosphatases, glucose-6-phosphatase and odium-potassium Atpase enzymes in the neurosecretory and oesophageal Cells of earthworm
(
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 ...
Thermoluminescence (TL) Response Of Gamma-Irradiated Raw Material And The Influence Of Doping By Different Activators
(
Qatar University
, 1994 , Article)
Thermoluminescence of raw materials has been frequently employed to determine the exposure dose as well as effective energy of gamma radiation. In this work, thermoluminescence (TL) properties of cement clinker (C) and its ...
The effect of gossypol, gossypolone and apogossypol on the lipids of male rat Serum and seminal fluid
(
Qatar University
, 1994 , Article)
The neutral and polar lipids of serum and seminal fluid of male rats were investigated under the effect of gossypol acetic acid, apogossypol and gossypolone. The total phospholipids and the neutral serum lipids showed ...
Separation and preconcentration of malathion and azamethiphos by Unloaded polyurethane foams
(
Qatar University
, 1994 , Article)
The feasibility of using unloaded polyether type polyurethahe foams for the extraction and separation of malathion and azamethiphos in batch and column operations has been examined. The effects of pH, ionic strength, shaking ...
ECG Abnormalities Induced By Scorpion Venom Administration: The Effect And The Mechanism
(
Qatar University
, 1994 , Article)
Intramuscular administration of scorpion (Leiurus quinquestriatus) lyophilized venom (100, 200 and 400 mg/kg) into rats produced drastic changes in the electrical activity of the cardiac muscle. These abnormalities were ...
Studies On Possible Factors In Saliva In The Etiology Of Oral Cancer
(
Qatar University
, 1994 , Article)
The present study was performed on 195 individuals divided according to their oral hygiene into the following four groups; Group I: Control healthy individuals; Group II: Patients suffering of early to moderate periodontitis; ...