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Mycoflora and mycotoxins of sunflower(helianthus annuus l.) Seeds in egypt 1. Sugar fungi and natural occurrence of mycotoxins
(
Qatar University
, 1986 , Article)
Eighteen genera and sixty-three species, in addition to three varieties were isolated from thirty six samples of sunflower seeds collected from different places in Egypt. Aspergillus and Penicillium followed by Rhizopus ...
Effect Of Unfed Female Weight On The Biology Of Hyalomma (Hyalomma) Impeltatum Schulze and Schlottke (Acari: Ixodidae)
(
Qatar University
, 1989 , Article)
Unfed female Hyalomma (Hyalomma) impeltatum Schuize and Schlottke in 4 different weight groups of 2.6-5.0, 6.2-10.0, 10.3-14.7 and 15.2-22.3 mg, respectively, were investigated for the effect of unfed female weight (UFW) ...
Point-Wise Summability Of Fourier Series And Its Related Series In The Norlund Sense
(
Qatar University
, 1985 , Article)
In this note we consider the point-wise summability of Fourier series in the Norlund sense by extending a theorem of Lebesgue [ 6 ] . We also consider analogous theorems of our extension to derived Fourier series, and ...
Effect Of Temperature On Hyalomma (Hyalomma) Impeltatum Schulze And Schlottke (Ixodoidea: Ixodidae)
(
Qatar University
, 1988 , Article)
The effect of 21, 25, 29 and 34°C on developmental period duration, weight of different stages in the life cycle and conversion efficiency in Hyalomma (H.) impeltatum Schuize and Schlottke was investigated at 75% relative ...
Studies On The Effect Of Cadmium Chloride On The Gonads Of The Developing Chick Embryos
(
Qatar University
, 1987 , Article)
Cadmium chloride was injected in doses of 5, 10, 15 and 20 /xg/egg into the yolk sac of 4—day—old chick embryos. Mortality due to cadmium intaxication increased with dose increase. The mortality rate of chick embryos ...
The effect of doping crystals of tgs with some di- and trivalent ions on its: (ii) polarization and piezoelectricity
(
Qatar University
, 1987 , Article)
The polarization, coercive field,piezoelectricity and electromechanical coupling for pure and doped single crystals of TGS arp investigated in the temperature range 77-325 K. The influence of the divalent ions Ni 2+, Cu2 ...
Plant growth, metabolism and adaptation in relation to stress conditions. Vi. Differential effects of sodium sulphate on growth and element content of phaseolus vulgaris and zea mays
(
Qatar University
, 1989 , Article)
Seeds of Phaseolus and Zea were germinated and then cultured either in Hoagland nutrient solution (1/4-strength) by itself or in combination with different concentrations of Na^SC^. Salinization induced, in general, varied ...
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 Upper Cretaceous-Lower Tertiary Rocks Of South Jordan Based On Planktonic Foraminifera
(
Qatar University
, 1983 , Article)
This paper deals with the Biostratigraphy of the Upper Cretaceous - Lower Tertiary rocks of Dm Rijam area. South Jordan. The study is based on 82 identified planktonic foraminiferal species. Ten foraminiferal biozones are ...
Influence of the cowpea weevil, callosobruchus maculatus f., and the saw - toothed grin beetls, oryzaephilus surinamensis L. On the moisture content and mould growth in stored grains
(
Qatar University
, 1986 , Article)
Presence of the cowpea weevil, Callosobruchus maculatus F., and the saw-toothed grain beetle, Orvxaephilus surinamensis L., and their propagation in cowpea and wheat, resulted in raising the moisture content of infested ...