Search
Now showing items 1-10 of 106
منهج القرآن فى مكافحة الاشاعة
(
دار البحوث للدراسات الاسلامية واحياء التراث
, 2000 , Article)
الإشاعة: نشر الأخبار بدون تثبت، وغالباً ما يكون وراءها مقاصد خطيرة؛ إذ تعد الإشاعة سلاحاً مهما في الحرب النفسية.
فصل القرآن أنواع الإشاعة من خلال القصص النبوي، وتعقيبه على بعض المعارك والفتن، وأهم الأنواع التي ذكرها: ...
ظاهرة الدفيئة كما يراها طلاب المرحلة الثانوية بدولة الإمارات العربية المتحدة
(
Qatar University
, 2000 , Article)
Thermalization times of positrons in molecular gases
(2000 , Article)
The time that a particle takes to reach thermal equilibrium in gas is a gross measure of the efficiency with which such particle can exchange its kinetic energy with the medium. The time taken for positrons to reach thermal ...
Kinetics and Mechanistic Studies of the Bromination of Some Substituted Tetralones, Part 1
(
Qatar University
, 2000 , Article)
The rate of bromination of 2-benzal-l-tetralone (II) and its derivatives p-methyl (12), 77-chloro (13), ffi-chloro (14), and p-nitro (15) have been studied in chloroform. The study indicated first order dependence on each ...
Analysis of Gravity Measurements along Some Profiles On-Shore, Of Qatar Peninsula
(
Qatar University
, 2000 , Article)
A gravity study on the Qatar Peninsula was conducted to leam about density contrasts in this region and to gain information about subsurface geological structures favourable for oil and gas reserves. We recorded high quality ...
A study of contamination of the northern Jordan valley agricultural fields by various metal ions using regression analysis.
(
Qatar University
, 2000 , Article)
Geochemical analysis were performed in lower subsurface soil samples of 10,20,30 and 40cm depth, collected from seven regions in the northern Jordan valley. Eighteen descriptors (variables) for each sample were used. Among ...
S.G. Connected Spaces
(
Qatar University
, 2000 , Article)
The purpose of this paper is to introduce and study a strongr type of connectedness called s.g connectedness in topologi-cal spaces.
Urea Hydrolysis and Urease Activity in Saudi Arabian Soils
(
Qatar University
, 2000 , Article)
Soil samples were collected from eight different localities m Saudi Arabia, and analysed for mechanical properties as well as for urea hydrolysis. The urease enzyme activity of these calcareous soils was also investigated. ...
Elliptic surfaces over a genus 1 curve with the pair (l3, l9) of singular fibers.
(
Qatar University
, 2000 , Article)
In this paper we give a classication of all minimal elliptic surfaces (n : E —> C, g(c) = 1) with a section and exactly the pair (L, L)) of singular fibers.
Changes in Copepod Community Structure in Response to Land-Based Activities along Alexandria Coastline, Mediterranean Sea
(
Qatar University
, 2000 , Article)
Along the coastal water of Alexandria, Copepods were collected from four different areas subjected to agricultural/industrial mixed discharge, primary treated sewage flow, industrial effluent and agricultural runoff to ...