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Now showing items 1991-2000 of 2032
Geology of wadi atalla - el missikat area, eastern desert, egypt.
(
Qatar University
, 1989 , Article)
Wadi Atalla-El Missikat area covers about 2,000 Km2 in the central Eastern Desert of Egypt, between latitudes 26° 10' and 26° 40' N, and longitudes 33° 15' and 33° 40' E. The area is mainly formed of basement complex except ...
Mycoflora And Mycotoxins Of Corned Beef
(
Qatar University
, 1995 , Article)
Sixty species and 5 varieties belonging to 21 genera of fungi were collected from 20 corned beef samples . The average total counts of fungi ranged from 56 -236,47-275 and 39-202 colonies /g on glucose - 10% NAC1 - glucose ...
Paleoecology, palynofacies, thermal maturation and hydrocarbon source-rock potential of the Jurassic-Lower Cretaceous sequence in the subsurface of the north Easern Desert, Egypt
(
Qatar University
, 1997 , Article)
The Jurassic to Lower Cretaceous sequences in the wells Abu Hammad-1, Q-71-IX and Kabrit-1, north Eastern Desert of Egypt, have yielded palynofacies assemblages of varying composition. Seven palynofacies types which are ...
جغرافية العالم الإسلامي ومستقبله
(
نظام الشافعي، علي الشيب، بسام النصر
, 1995 , Book)
اعتمد الكتاب في بياناته على احدث المراجع العالمية والاقليمية والوطنية ، والبحوث الحديثة التي درست جوانب من القضايا الجغرافية المتعلقة بدول العالم الاسلامي . وقد حاولنا في الكتاب ان يكون في نهاية كل فصل دراسة اقليمية ...
Effect of gamma radiation on the morphology and Thermophysical properties of the pollen wall of Phoenix dactylifera L.
(
Qatar University
, 1994 , Article)
Pollen grains of Phoenix dactylifera were exposed to different doses of gamma radiation (250,500,1000 rad and 1 M rad). To access the effect of radiation on the external morphology of the pollen grains, they were examined ...
Vertical Distribution And Inter-Relations Of Oxygen And Nutrients In The Arabian Gulf And The Gulf Of Oman In Summer
(
Qatar University
, 1990 , Article)
The distribution patterns of oxygen and nutrients (phosphate, nitrate, nitrite and ammonia) were studied along the Arabian shelf of the Arabian Gulf and the Gulf of Oman, including the Strait of Hormuz, during September, ...
Assessment of heavy metal accumulation and performance Of some physiological parameters in zea mays l. And Vic1a faba l. Grown on soil amended by sewage Sludge resulting from sewage water Treatment in the state of qatar
(
Qatar University
, 1995 , Article)
Pot experiment was conducted to explore extent of concerns regarding agricultural use of sewage sludge for crop production in the state of Qatar. Extent of heavy metal accumulation and its subsequent impact on physiological ...
The electrical and optical properties of poly (4-ethylidene-l, 3-cyclopentylene vinylene)
(
Qatar University
, 1989 , Article)
The intrinsic viscosity, electrical conductivity and IR absorbance were measured for the sample of poly (4—ethylidene—1, 3—cyclopentylene vinylene). The sample is strongly oxidized in air. Under vacuum the activation energy ...
A Mixed Markovian Time Series Model
(
Qatar University
, 1997 , Article)
We study a simple time series model the noise properties of the proposed model are derived. An algorithm based on the conditional mean and the conditional variance, for estimating the parameters of the proposed model is ...
Discrimination of Coastal Sediments around Qatar Peninsula, Using Remote Sensing Techniques
(
Qatar University
, 1999 , Article)
This paper aims at demonstrating the usedfulness of remote sensing techniques in identifying various types of coastal sediments around Qatar Peninusla. In this respect, Landsat-Thematic mapper (TM) multispectral data provide ...