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On The Behaviour Of The Solutions Of ff …...
(
Qatar University
, 1984 , Article)
The above equation plays an important rote in the geometric theory of functions of a complex variable.
To determine interval estimations for its solutions, an inequality is obtained using the fixed point theorem. Then, ...
Biostratigraphy Of The Subsurface Oligocene Sediments In The North Western Desert, Egypt
(
Qatar University
, 1984 , Article)
This paper deals with the study of planktonic foraminifera, larger foraminifera and ostracoda in the Oligocene sediments in four wells: Abu Tunis No. IX, East Faghur-I, Khalda No. I and North Ghazalat No. I, North Western ...
Approximate Solution For A Problem Of Propagation Of Elastic-Plastic Wave In The Half-Space
(
Qatar University
, 1984 , Article)
In this paper, we consider a half-space occupying an elastic-plastic medium. Treatments were carried out under the assumption of perpendicular load, on boundary which propagates with a constant speed D.
The assumption ...
A New Liquid Membrane Electrode For Selective Determination Of Caffeine
(
Qatar University
, 1984 , Article)
A new liquid membrane electrode for caffeine prepared from a solution of caffeine-picrylsulfonate ion-pair complex in n-octanol is developed. It exhibits Nernstian response in the range of 10'2 to lO^M caffeine with a ...
Water Conditions And Proline Content In Shade And Sun Plants
(
Qatar University
, 1984 , Article)
Different parameters of the water conditions (Water content, water saturation deficit, osmotic pressure of the cell sap and partial osmotic pressure due to sugars), chlorophyll and proline contents were investigated in sun ...
Selectivity Coefficient Of Wire Basket Traps For Tilapia Nilotica
(
Qatar University
, 1984 , Article)
Most methods of estimating growth and mortality rates require samples representative of the population with respect to size of one or more age groups. There is no fishing gear that exhibits equal selectivity towards fish ...
New Records Of Some Mammals From Qatar: Insectivora, Lagomorpha And Rodentia
(
Qatar University
, 1984 , Article)
The present report deals with six native mammalian species to be recorded for the first time from Qatar. They belong to the following orders: Insectivora, Lagomorpha and Rodentia. None of these species is endemic to Qatar.
Mitotic Disturbances Induced By The Drug "Novalgin" In Allium Cepa Root Tips
(
Qatar University
, 1984 , Article)
Growing root tips of Allium cepa are treated with seven concentrations of Novalgin ranging from 2.81 x 10 4 M to 1.5 x 10 4 M for 4, 8, 24,48 and 72 hours.
The frequency of mitotic phases in the treated roots varies ...
Acid-Base Status Of Blood Of Varanus Griseus And Uromastyx Aegyptius
(
Qatar University
, 1984 , Article)
1) A comparative study was carried out on the acid-base status of blood collected from five main blood vessels of two desert lizards, the monitor, Varanus griseus, and the dabb, Uromastyx aegyptius.
2) Blood of the monitor ...
A Qualitative And Quantitative Survey On The Helminth Parasites Of Fishes From The Aswan High Dam Lake In Egypt
(
Qatar University
, 1984 , Article)
The present investigation is concerned with a helminthological survey of 19 species of fish collected along different seasons from the Aswan High Dam Lake in the southernmost part of Egypt. 615 out of 850 fish (72.4%) are ...