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Now showing items 151-160 of 205
Geochemistry of biotite and its significance as a guide to the origin of the granitoid rocks of el-imra area, eastern desert, egypt.
(
Qatar University
, 1988 , Article)
Biotites from the granitoid rocks of El-Imra, Eastern Desert, Egypt have been examined. The chemical data of 8 new analyzed biotites are presented. The behaviour of major and trace elements in the examined biotites are ...
Constituents Of Cymbopogon Species
(
Qatar University
, 1986 , Article)
A comprehensive review of the Cymbopogon species including the essential oils and their constituents is given. An account of the other components viz. non volatile terpenoids and phenolic compounds is also given. The ...
Interpretation Of Three Dimensional Seismic Data In Delineating The Structural Elements At Ras Budran Oil Field, Gulf Of Suez, Egypt
(
Qatar University
, 1989 , Article)
Structural evaluation in Ras Budran oil field was achieved by using the state of art geophysical technology, represented by the 3-D seismic data. Integrated together with the borehole geological and geophysical data. The ...
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 ...