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Now showing items 141-150 of 451
Mycoflora And Natural Occurrence Of Mycotoxins Of Chicken Stock
(
Qatar University
, 1993 , Article)
Twenty four species and one species variety (belonging to 11 genera) and 20 species with the addition of two species varieties (belonging to 7 genera) were isolated on glucose-Czapek's agar and glucose-Czapek's agar medium ...
A Markov Chain Model For River Flow
(
Qatar University
, 1996 , Article)
This paper is concerned with a trinary transformation of river flow. The transformed flow is modeled as a three-states Markov chain and both upcrossing and downcrossing problems are studied simultaneously. The stationary ...
Studies for determining antimicrobial activity of solenostemma argel (del) hayne. 1-extraction with methanol/water in different proportions
(
Qatar University
, 1994 , Article)
Aerial parts of Solenostemma argel plant were successively extracted with methanol/water in different proportions (4 fractions). The phytochemical and chromatographic screening as well as quantitative determination of the ...
Effect of the insecticide sumicidin on the biology and survival of the american cockroach nymph periplaneta americana l. (blattidae, dictyoptera).
(
Qatar University
, 1995 , Article)
This study was conducted under laboratory conditions to evaluate the effect of sumicidin (a pyrethriod insecticide) on the heart rates, convulsion and mortality of the american coackroach nymph Periplaneta americana L., a ...
Regeneration of the vagus nerve after highly selective vagotomy, an autoradiographic study in the ferret stomach .
(
Qatar University
, 1995 , Article)
This study investigates the regeneration of the vagal nerve fibres after highly selective vagotomy in the ferret stomach by using the autoradiographic technique.
Autoradiographic examination of the body of the stomach in ...
Abundance Of Insects And Mites Infesting Stored Grain And Animal Feed In Riyadh And Dammam Provinces, Saudi Arabia
(
Qatar University
, 1994 , Article)
Insects and mites infesting wheat, maize and wheat bran, stored in plants at Riyadh and Dammam, Saudi Arabia, were scanned in 2 seasons, 1987 and 1988. Grains from the local markets and dust from both provinces were also ...
Forecasting Of The Storm Surge In Winter At Alexandria (Egypt)
(
Qatar University
, 1992 , Article)
Since storms frequently occur in the winter season, at Alexandria, SE of the Mediterranean Sea. storm surges often affect this area. In this paper, we attempt to forecast the storm surge heights in the commercial Western ...
Total Mercury Distribution In Surface Sediments From The Arabian Gulf
(
Qatar University
, 1994 , Article)
Surface sediment samples collected during the first leg of Mt. Mitchell cruise and covering the entire Gulf, were analysed for their total Hg content. The total Hg concentrations ranged from 0.032 to 0.27 ug/g dry wt. The ...
Mechanism Of The Inhibition Afforded By Some Hydrazone Oxime Derivatives Towards Aluminium In 2m Naoh Solution
(
Qatar University
, 1991 , Article)
The effect of some hydrazone oxime derivatives on the corrosion of aluminium in 2M NaOH solution was studied by polarization and weight-loss techniques. Polarization data indicated that all inhibitors tested were of a mixed ...
Hepatitis-B Markers In Sera Of Egyptian Hepatoma Patients
(
Qatar University
, 1994 , Article)
The present study was performed on 52 hepatoma patients; 46 of them were of the histopathological type known as hepatic cell carcinoma (HCC), aiming to investigate the possible role of hepatitis B viral (HBV) infection in ...