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Regional catecholamine concentrations in brain and spinal cord of male albino rats treated with the synthetic pyrethroid cyfluthrine
(
Qatar University
, 1997 , Article)
The principal objective of this study was to determine the modifications induced by the synthetic pyrethroid insecticide cyfluthrin in the concentrations of dopamine (DA), norepinephrine (NE) and epinephrine(E) in selected ...
Observations on some hydrochemical aspects of the United Arab Emirates waters along the Arabian Gulf and the Gulf of Oman.
(
Qatar University
, 1997 , Article)
Surface and bottom water samples were collected from the United Arab Emirates waters along the Arabian Gulf and the Gulf of Oman during the period from October 1993 to September 1995. Samples were analyzed for temperature ...
Phyllosphere and phylloplane fungi of some herbal plants belonging to Labiatae, Solanaceae and Umbelliferae in Egypt
(
Qatar University
, 1997 , Article)
Survey on the occurrence of phyllosphere and phylloplane fungi on leaves surface of 15 different kinds of fresh herbs (three samples of each kind) belonging to three plant families (five kinds belonging to each of Labiatae, ...
A review of the trematode genera Haplosplanchnus Looss, 1902 and Prohaplosplanchnus Tang and Lin, 1978 with redescription of three species from the mullet in Libya
(
Qatar University
, 1997 , Article)
The trematode genera Haplosplanchnus Looss, 1902 and Prohaplosplanchnus Tang Lin, 1978 were reviewed. H. indica Gupta and Ahmad, 1979, H, mugilis Nahhas and Cable, 1964 and P. diorchis Tang and Lin, 1979 were redescribed ...
Density and diversity of the desert Arthropoda of Qatar
(
Qatar University
, 1997 , Article)
Density and diversity of arthropods were studied at different habitats of the Qatari desert. Diurnal sampling was conducted at two seasons of the year, the end of the dry season, at the beginning of autumn (October) in ...
Effects of the electric field and gamma Radiation on the optical properties of Modified low density polyethylene
(
Qatar University
, 1997 , Article)
The effect of electric field and gamma radiation on the optical properties of low density polyethylene LDPE grade CD 0230 have been studied. The samples were irradiated at gamma doses of 0-100 Mrad and varying electric ...
Characterization of Polymers in Dilute Solutions
(
Qatar University
, 1997 , Article)
Basic moleculer characterisitics of polymers are: molecular architecture, molecular weight and size, and their distributions. All these characterisitics are derived from measurements of very dilute solutions. Methods of ...
Plant phenology and its relation to the cool semi-arid condition of Sana'a
(
Qatar University
, 1997 , Article)
In the cool semi-arid highland areas of Sana'a a plant phenological study of forty two species revealed that there was one major
outburst of plant emergence corresponding with the first period of the heavy rainfall which ...
Study of carbonate rocks of the khuff and Jubaila formations , saudi arabia by Thermal derivatography
(
Qatar University
, 1997 , Article)
Thermal derivatographic analysis of the Khuff and Jubaila carbonate rocks shows that calcite and / or dolomite (of calcitic type) are the main constituent minerals. Their differential thermal and thermogravimetric behaviours ...
Pullulan production from sugar beat molasses
(
Qatar University
, 1997 , Article)
Sugar beet molasses was used as the substrate for the production of pullulan with Aureobasidum pullulans ATCC 42023. In addition biomass, residual sugar and final pH of the culture medium were investigated. In comparing ...