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السجلات المعروضة 11 -- 20 من 114
الاستصناع
(
Qatar University
, 1991 , Article)
الحقيقة الدينية والحقيقة الفلسفية لدى ابن رشد
(
Qatar University
, 1991 , Article)
The Prevalence Of Keratinophilic And Saprobic Fungi On Poultry Feathers In Egypt
(
Qatar University
, 1991 , Article)
Two methods were used for the isolation of dermatophytes and other fungi from the feathers of ducks, geese and turkeys: baiting technique and the dilution plate method. 86 species and 3 varieties belonging to 35 genera ...
Study Of Aerobiology Of Alexandria, Egypt
(
Qatar University
, 1991 , Article)
The present study provides a survey of atmospheric pollen and fungal spores in the city of Alexandria with the aim of supplying information that may be useful in the treatment of aeroallergies. Considerable attention has ...
Diagonalizable Indefinite Integral Quadratic Forms
(
Qatar University
, 1991 , Article)
This paper deals with some special cases on Hasse's principle about the diagonalization of Z-lattices L of indefinite regular guadratic forms over Q. It is asserted that for some specific values of a certain set D of ...
Circulation And Water Masses And Their Implication On Pollutant Transport During Summer In Abuquir Bay (Egypt)
(
Qatar University
, 1991 , Article)
Abuquir Bay is a shallow area with a mean depth of about 10 meters, and it is affected by significant sources of industrial and agricultural pollutants. Water masses, the distribution of dissolved oxygen and total suspended ...
Pyrrolizidine alkaloids from heliotropium arbainense and h. Ovalifolium
(
Qatar University
, 1991 , Article)
Investigation of the pyrrolizidine alkaloids of Heliotropium arbainense resulted in the isolation and identification of heliotrine, europine and 7-angelylheliotrine. From H. ovalifolium three alkaloids were isolated: ...
Rainfall Characterization In An Arid Area
(
Qatar University
, 1991 , Article)
The objective of this work is to characterize the rainfall in Doha which lies in an arid region. The rainfall data included daily rainfall depth since 1962 and the hyetographs of the individual storms since 1976. The ...
التنبؤ بالافلاس الفني للشركات الصناعية التابعة للقطاع العام في مصر
(
Qatar University
, 1991 , Article)
يقدم البماحث في هذه الدراسة نموذجاً للتنبؤ بالتآكل الكامل لرأسمال ( الإِفلاس الفني ) الضععوكات الصناعية التابعة للقطاع العام في مصر ، وذلك باستخدام أسلوب تهليل ا عوامل التميير بين المجمموعات Discriminant Analysis حيث تضمن ...
Thermal dimensional stability of isotropic polyoxymethylene
(
John Wiley & Sons, Ltd.
, 1991 , Article)
A parametric mapping analysis of the effect of various structural and morphological parameters on the thermal dimensional stability of polyoxymethylene is highlighted. The molecular composites model is found to describe ...