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Night and Early Morning Flying Insects in a Residence Backyard in Doha City, Qatar
(
Qatar University
, 2006 , Article)
Night and early morning flying insects in Doha were recorded daily, for a complete year, using a light-water trap. Two peaks of insect numbers occurred in April-May and September-October periods respectively. The lowest ...
Developmental anatomy of the central nervous system of the cotton leaf worm, spodoptera littoralis boisd.
(
Qatar University
, 1983 , Article)
The central nervous system, C. N. S., of the cotton leaf worm, Spodoptera littoralis (B.) develops from a median row of embryonic neuroblasts which divide repeatedly to form a double ganglionic chain. The two chains fuse ...
The Coliform Bacteria in the Wastewater Ponds of Doha City, Qatar
(
Qatar University
, 2003 , Article)
The microbiological study of the wastewater and its sediment around Abu-Hamour pond (untreated wastewater pond) and Abu-NakhIa pond (treated wastewater pond), located on the outskirts of Doha City, revealed that coliform ...
Decomposition Of The Set Of Conditionally Exponential Convex Functions
(
Qatar University
, 1993 , Article)
The theory of C* -algebra is used to develop a connection between the local extreme points and the topology of the spectrum space G.
Constituents of plants growing in qatar x.* seasonal variations of the volatile oil of cymbopogon parkeri
(
Qatar University
, 1985 , Article)
The seasonal variation of the volatile oil of Cymbopogon parkeri Stapf. was studied. The oil content is higher during the hot dry season than during the humid hot season and the cold season. No qualitative differences among ...
Contribution To The Sedimentology Of The Bahariya Formation Of Gebel El-Dist, Bahariya Oasis, Western Desert, Egypt
(
Qatar University
, 1983 , Article)
Combined microscopic, grain-size and heavy-mineral analyses were carried out on the Bahariya Formation at Gebel El-Dist (type section), Bahariya Oasis. These studies revealed that the formation is composed of moderately ...
Enzymatic Upgrading of Fish and Crustacean Products
(
Qatar University
, 1999 , Article)
Fish wastes constitute an important source of biologically active molecules possessing peculiar properties and practical application promises in various areas ( agriculture, medicine, chemistry, biotechnology ). Several ...
Primary Productivity of Lake Manzalah, Egypt, using C14 technique
(
Qatar University
, 1981 , Article)
The hydrographical and chemical conditions of Lake Manzalah, Egypt, are influenced by the surging in of saline water from the Mediterranean sea and are by no means stable. The average of the parameters studied during the ...
Chemical stabilization of baiji sand dunes in iraq 1. Effect of some soil stabilizers on the infiltration rate of sand
(
Qatar University
, 1995 , Article)
In this study, the effect of soil chemical stabilizers including polyvinyl alcohol 125,000 (PVA) (0.2% and 0.4%); ferquatac resin emulsion RB-50 (F.E.) (0.14, 0.18, 0.2 and 0.4 lm'2); bitumen emulsion Al-55 (B.E.) (0.3, ...
A Mathematical Model Of The Dynamics Of Schistosomiasis
(
Qatar University
, 1996 , Article)
In this work the authors develop a mathematical model for the dynamics of a major helminth parasite of man, schistosomiasis. The model is a system of coupled non-linear equations. Numerical experimentations with the model ...