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Now showing items 91-100 of 122
An Improved Model Describing Mass Transfer In Three-Phase Fluidized Beds
(
Qatar University
, 1990 , Article)
A model for describing mass transfer in three-phase fluidized beds has been developed and tested using experimental data.
The presence of two distinguishable mass transfer zones in three-phase fluidized beds led to the ...
المد والجزر في السياسية البريطانية تجاه شبه الجزيرة العربية (2) بريطانيا بين عبد العزيز آل سعود والشريف حسين 1915 - 1920
(
Qatar University
, 1990 , Article)
Control Algorithms Of Digital Automatic Voltage Regulators For Synchronous Generators
(
Qatar University
, 1990 , Article)
The main concepts of the application of digital controllers to a power system as automatic voltage regulators are presented in this paper. An experimental study using a physical model of a limited size power system has ...
حب الاستطلاع الجغرافي والنفعية الجغرافية لدى طلاب جامعة قطر وعلاقتهما بكل من جنس الطالب ومستوى تحصيله الأكاديمي في مادة الجغرافيا
(
Qatar University
, 1990 , Article)
مفاهيم وأنشطة محو الأمية في تراث الأمة الإسلامية
(
Qatar University
, 1990 , Article)
The morphology of synhimantus (dispharynx) passeri sp. Nov., nematoda (acuariidae)
(
Qatar University
, 1990 , Article)
A new species of the nematode genus Syahimantus recovered from Passer domesticus niloticus at Cairo is described using both light and scanning electron microscopy. The taxonomy of the new species is discussed and compared ...
Plant growth, metabolism and adaptation in relation to stress conditions XII. Carbohydrate and acid accumulation in phaseolus vulgaris and zea mays stressed with sodium sulphate
(
Qatar University
, 1990 , Article)
Phaseolus vulgaris and Zea mays seedlings and plants were cultured on quarter-strength Hoagland nutrient medium with or without increasing concentrations of Na^SO^. Sodium sulphate increased the levels of reducing sugars ...
Modelling Of The Basement Surface Of Siwa-Qattara Depression Area, Northern Western Desert Of Egypt
(
Qatar University
, 1990 , Article)
Modelling study of the basement surface of Siwa-Qattara Depression area was done through the calculation of basement depth for 62 selected points using gravity interpretation methods.
The constructed basement relief map ...
تأثير الوفورات الضربية، وتكلفة الافلاس وتكلفة الوكالة على نسبة الاقتراض وعلى القيمة السوقية للمنشاة "نموذج مقترح"
(
Qatar University
, 1990 , Article)
A novel push-pull machine for testing High cycle fatigue
(
Qatar University
, 1990 , Article)
A novel machine designed and constructed to exert cyclic axial load for fatigue testing is herein reported. The main features of the test rig constitute the sinusoidal form of load wave and the stress - controlled, system ...