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Effects of gamma radiation on the activity of the mosquito culex pipiens L. II. Effects on the sexual vitality of the mosquito
(
Qatar University
, 1988 , Article)
The effects of 3 gamma doses on the sex vitality of the mosquito Culex pipiens L. were studied after irradiation of the larvae, pupae or newly emerged adults.
No significant effect on the sex attraction was obseived when ...
Microdetermination Of Some Organic Nitriles Using The Cyanide Ion Selective Electrode
(
Qatar University
, 1985 , Article)
The response characteristics of the solid state cyanide ion selective electrode toward some organic nitriles are investigated. In 10 M KOH solution, the electrode exhibits near Nemstian response over the range of 10~2 to ...
Study of Magnetic Properties and Lattice Dynamics of the Cdx Co1-x Ferrite System by MossbauerEffect
(
Qatar University
, 1981 , Article)
The magnetic properties and lattice dynamics of the spinel ferrite system Cdx Coi-x Fe^ 04 (x = 0.0, 0.1, . . . , and 1.) were studied in the temperature range between 78 to 800°K. The results showed that the samples with ...
On The Existence And Uniqueness Of Solutions Of A Functional Differential Equation
(
Qatar University
, 1983 , Article)
A Remark On Proper Left H* — Algebras
(
Qatar University
, 1984 , Article)
W. Ambrose gave the theory of proper H* -algebras and M. Smiley in (2) gave an example of a left H* -algebra which is not a two-sided H* -algebra. Then he modified some of the arguments of Ambrose which yield the structure ...
Electrical Properties Of The Lower Eocene Rocks In Qatar
(
Qatar University
, 1987 , Article)
Thirteen limestone samples representing the Rus Formation (Lower Eocene) are selected' from four locations in Qatar Peninsula. These samples are subjected to electrical resistivity, porosity, shaliness factor and water ...
Photoperiod and salinity effects on survival and some blood parameters in female Bufo regularis
(
Qatar University
, 1986 , Article)
This study, investigates the effect of different salinities injected (30, 70 and 100 % sea water) and photoperiods (L:D/8:16,L:D/12:12 and L: D / 16 : 8 ) on female Bufo regularis (1) survival rate, (2 ) oxygen and carbon ...
ابن قتيبة : وكتابه تأويل مختلف الأحاديث
(
Qatar University
, 1989 , Article)
المداخل النظرية في دراسة التنظيم : دراسة تحليلية نقدية
(
Qatar University
, 1985 , Article)
المقومات الفنية والاقتصادية للتنمية الصناعية في المجتمعات النامية
(
Qatar University
, 1981 , Article)