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Now showing items 1-10 of 47
Some Oceanographic Measurements In The Gulf Waters Around Qatar Peninsula
(
Qatar University
, 1983 , Article)
During the winter of 1979/1980 four cruises were made to the study area. Salinity, temperature and current speed and direction were measured. The areal distribution, as well as the vertical distribution of these parameters ...
Air-Borne Fungi Of Wheat Fields In Egypt
(
Qatar University
, 1983 , Article)
The air borne fungi of wheat fields in El-Minya Governorate were studied during the periods January-May 1977 and December 1977-May 1978 using the plating catch method on 1% glucose and 50% sucrose-Czapek's agar. Fifty-two ...
Seasonal Fluctuation Of Non-Rhizosphere Soil Fungi In Wheat Fields In Egypt
(
Qatar University
, 1983 , Article)
The study aims at intensive survey of fungal floras of non-rhizospheric soil in wheat fields in El-Minya Governorate over the periods December 1976 - May 1977 and December 1977 - May 1978.
At 28°C, using 1% glucose-Czapek's ...
البحرين والقوى المتنافسة في الخليج 1800م - 1843م
(
Qatar University
, 1983 , Article)
On Dirichlet Problem With Singular Integral Boundary Condition
(
Qatar University
, 1983 , Article)
In this paper a Dirichlet problem, with singular integral condition, is studied. It is shown that such problem can be reduced to a regular equation which allows us to construct the solution.
On The Existence And Uniqueness Of Solutions Of A Functional Differential Equation
(
Qatar University
, 1983 , Article)
Copper Complexes Of Di-, Tri-, And Tetra-Peptides Containing Tryptophan, Histidine And Arginine
(
Qatar University
, 1983 , Article)
Fifty Seven copper complexes of di-, tri-. and tetra-peptides containing tryptophan, histidine and arginine are studied spectrophotometrically. The ^a, and colour of the complexes are dependent on the sequence of the amino ...
On 2n+L-Vertex-Free Graphs
(
Qatar University
, 1983 , Article)
We shall introduce the concepts of pseudoadjacent, pseudocoatraction and pseudoho-momorphism. We shall show, with the help of these concepts, in theorem 2 that every quadrilateral graph V (which is a 4-vertexgraph) has ...
Fe57 Mossbauer Study In Cobalt Substituted Magnetite
(
Qatar University
, 1983 , Article)
The Mossbauer effect has been studied in the mixed ferrites CoxFe3_x04 (for x = 0.8, 0.9 and 1) with the spinel structure in the temperature range between 78 and 830K. The composition with x = 1, showed an expected Zeeman ...
Subsurface Geothermal Study In The Central Part Of The Northern Western Desert, Egypt
(
Qatar University
, 1983 , Article)
Geothennal investigation of the studied area was carried out using the bottom hole temperatures recorded in deep wells drilled for petroleum exploration. The study revealed interesting data regarding the geothennal gradient ...