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Constituents of plants growing in qatar xxiii. Flavonoids of francoeuria crispa
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Qatar University
, 1993 , Article)
Investigation of the flavonoid constituents of Francoeuria crispa, resulted in the isolation and identification of four flavonoids: quercetin, qucrcetin-3-O-gIucoside, quercetin-7-0-glucoside and quercetin-3-methyl ether.
Histology And Development Of Argas (Argas) Hermanni (Ixodoidea: Argasidae) Salivary Glands
(
Qatar University
, 1993 , Article)
The anatomy and histology of Argas (Argas) hermanni salivary glands were studied during nymphal and adult development. The paired salivary glands consist of 2 alveolar types. Type I alveoli consist of several cells forming ...
Prenatal Development of the Guinea Pig Kidney Quantitative And Qualitative Morphology
(
Qatar University
, 1993 , Article)
The normal prenatal development of the guinea pig kidney was investigated utilizing quantitative and qualitative histologic methods and microdissection technique during the last of the gestation period (day 46 to day 66). ...
Effect Of Field Environmental Exposure Conditions On The Properties Of Hardened Concrete
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Qatar University
, 1993 , Article)
The effects of harsh field environmental exposure conditions on compressive, tensile and flexural strengths and durability aspects of concrete such as chloride penetration, sulphate attack and carbonation were investigated ...
Amplitude Features Of Fast Compressional Waves In Porous Media For Zero-Offset Synthetic Seismograms
(
Qatar University
, 1993 , Article)
The seismic amplitude are clearly affected by the type of medium through which waves are propagated. A geologic model was designed to study the changes in'amplitudes of the seismic waves within several rocks of different ...
The multicommodity multiperiod assignment problem I:A specialized branch and bound algorithm
(
Qatar University
, 1993 , Article)
The multiperiod assignment problem is an important specialization of the three dimensional assignment problem, which is a generalization of the classical (two dimensional) assignment problem. This model describes the ...
Distribution And Mineralogy Of The Clay Deposits In Saudi Arabia
(
Qatar University
, 1993 , Article)
The main goal of this paper is to characterize the mineral clay deposits in Saudi Arabia; especially their mineral composition, deposit size, geological setting and possible uses. Different published reports and papers on ...
جوانب من الاقتصاد الكلي في فكر ابن خلدون
(
Qatar University
, 1993 , Article)
موضوع البحث هو جوانب الاقتصاد الكلى في فكر ابن خلدون.
وأهمية هذا البحث تنبثق مما له من آثار عملية ونظرية، حيث أن ما يتناوله من قضايا ومشكلات ليست ببعيدة عن واقعنا المعاصر، ومن ثم يمكن لنا أن نستفيد بالكثير مما قدمه في ...
الخبرات والحاجات والقيم التربوية الفارقة لدى طلاب وطالبات كلية التربية بجامعة الملك فيصل بالإحساء
(
Qatar University
, 1993 , Article)
استهدفت هذه الدراسة التعرف على الواقع التربوي الشخصي لعينة من طلاب وطالبات كلية التربية بجامعة الملك فيصل بالإحساء بغية الكشف عن درجة قبول وترتيب واستحسان كل منهم لمحتوى الخبرات والحاجات والقيم التربوية لديهم ودلالة الفروق ...
كتاب مشاكلة الناس لزمانهم وما يغلب عليهم في كل عصر لليعقوبي
(
Qatar University
, 1993 , Article)