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A New Tetrafluoroborate Liquid Membrane Electrode For Selective Determination Of Boron
(
Qatar University
, 1986 , Article)
The construction and performance characteristics of a new liquid membrane electrode selective for BF^ion are herein described. The electrode incorporates nitron-tetrafluoroborate ion pair complex in nitrobenzene as a liquid ...
A Short Note On The Point-Wise Summability Of The Conjugate Series Of A Fourier Series In The Norlund Sense
(
Qatar University
, 1985 , Article)
In this note we consider an analogous theorem of [l] in the sense of point-wise summability of the conjugate series of a Fourier series in the Norlund sense
A Preliminary List Of The Insect Fauna Of Qatar
(
Qatar University
, 1985 , Article)
The present paper give a preliminary account of the entomofauna of Qatar. It has a complex composition, the species are a heterogenous group with diverse distribution patterns.
The account does not lay to completeness. ...
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 ...
Spectroscopic Studies On Some Methylphosphonothioic Diamides And Related Compounds
(
Qatar University
, 1987 , Article)
A series of methylphosphonothioic diamides MrP (S) (NHR)., ( R = Mr, pr' and Bu') and some related compounds viz, PhP(S)(NHBu)a ,P1^P(S) ( NHCHJ'h ) arc preparpd and their infrared, n.m.r. and mass spectra arc- recorded. ...
Middle-Upper Devonian And Lower Carboniferous Miospore Assemblages From Western Desert Of Egypt
(
Qatar University
, 1985 , Article)
Important morphological features of some spore assemblages from Middle-Upper Devonian and Lower Carboniferous of Western Desert of Egypt are described. Comparing the present assemblages with those obtained from other ...
Water Quality Of The Area West Of Karak City, Jordan
(
Qatar University
, 1986 , Article)
The water quality of some wells, wadis and springs in the area west of Karak City has been evaluated for irrigation and domestic uses, by the application ofWilcox (1955) and Doneen (1961) methods, as well as the standards ...
Neutron Diffraction And Mossbauer Effect Study On A Mixed Rare Earth Garnet
(
Qatar University
, 1983 , Article)
A powder sample of Y^YbFesO,; was prepared using the ceramic technique. X-ray diffraction pattern showed a single phase of the garnet type structure with a lattice constant 12.323 A". Specific heat for this composition was ...
New Records Of Some Mammals From Qatar: Insectivora, Lagomorpha And Rodentia
(
Qatar University
, 1984 , Article)
The present report deals with six native mammalian species to be recorded for the first time from Qatar. They belong to the following orders: Insectivora, Lagomorpha and Rodentia. None of these species is endemic to Qatar.
Histomorphology Of The Skin Of The Gecko Cyrtodactylus Scaber (Gekkonidae, Reptilia)
(
Qatar University
, 1989 , Article)
The histological structures from different dorsal and ventral regions of the skin of the gecko Cyrtodactylus scaber are described. Qualitative differences in the skin structures are recorded. The correlation between the ...