Browsing Qatar University Science Journal - [From 1981 TO 2007] by Title
Now showing items 291-310 of 770
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Geology Of Wadi Sidri Radioactive Ocurrences, Western Sinai, Egypt
( Qatar University , 1995 , Article)Geologic and radiomclric investigations have been carried out in the environs of Wadi Sidri in Western Sinai, applying a combination of various geological, geophysical and gcochcmical techniques. This work revealed the ... -
Geology, Petrography, Geochemistry And Petrogenesis Of The Egyptian Younger Granites
( Qatar University , 1990 , Article)One hundred and thirty nine new chemical analyses of major and trace elements for 26 plutons and masses pertaining to the Egyptian Younger Granites are presented together with the chemical analyses of 13 biotites, 32 ... -
Geomagnetic Trend Analysis In The Fayum District, Western Desert, Egypt
( Qatar University , 1984 , Article)The present paper contains brief results of the trend analysis of the aeromagnetic survey in the Fayum District, Western Desert, Egypt. The trend analysis was the constructed magnetic maps which included the total magnetic ... -
Geomorphology of the Nagada Region Upper Egypt
( Qatar University , 1982 , Article)Detailed geomorphological study of the Nagada region, west of-the Nile enables us to better understand the main landfonns in this part of Upper Egypt. Six geomorphic features are recognized including: the Thebaid plateau; ... -
Glaciations In The Arabian Peninsula
( Qatar University , 1990 , Article)Glaciations affected the Arabian Peninsula three times. This was during the Late Ordovician, the Late Carboniferous-Early Permian, and the Pleistocene. Recorded evidence of Paleozoic glaciations in Arabia, includes tillites, ... -
Global And Ultravoilet Radiation Over Kuwait
( Qatar University , 1999 , Article)The data of six spectral bands of solar radiation over Kuwait were measured locally, during the period of time starting May 1, 1995 until February 5,1998. Near ultraviolet spectral band (315-380) nm, shows very week ... -
Gonadal Development Of Lead Intoxicated Rat Embryos
( Qatar University , 1987 , Article)Pregnant rats injected with 60ju,g lead nitrate/gm body weight on day 8 of gestation showed a significant fetal resorption and reduced size of gonads on day 13.5 gestation. Incidence of fetal death and fetal resorption ... -
Gravitational Instability of a Radiating Gas Cloud with Variable streams
( Qatar University , 2001 , Article)The self-gravitating instability of a radiating gas cloud possessing variable streams is investigated. The self-gravitating force is destabilizing according to restrictions, the radiation has a strong stabilizing influence ... -
Gravitohydrodynamic Instability Of A Streaming Fluid Cylinder
( Qatar University , 1996 , Article)The capillary-gravitodynamic instability of a self-gravitating fluid cylinder (radius R«) dispersed in a self-gravitating medium of negligible motion has been developed. General stability criteria are derived, upon utilizing ... -
Gravity investigation for detecting The subsurface basement topography Of the western part of behera Governorate, North Egypt
( Qatar University , 1999 , Article)One of the most effective tools for exploration of the subsurface basement topography is the gravity method. The Bouguer gravity map of the western part of Behera Govemorate west of the Nile Delta of Egypt has been analyzed ... -
Growth and production of tropane alkaloids by cell suspension cutures of hyoscyamus albus L.
( Qatar University , 1990 , Article)Cell suspension of Hyoscyamus albus L. were investigated for growth and production of tropane alkaloids in three different media. The effects of sucrose concentration and initial pH were also studied. 2,4- Dichlorophenoxyacetic ... -
Growth and protein content of wheat kernels treated with three Growth regulators
( Qatar University , 1993 , Article)Alar, asulam or kinetin at different doses were sprayed on wheat plants and their effects on growth and protein of the developing kernels were investigated. Grain fresh matter was significantly increased in response to 200 ... -
Haemogregarines of geckos in egypt, together with a description of haemogregarina helmymohammedi n.sp.
( Qatar University , 1995 , Article)Three species of geckos collected from various localities in Egypt were examined for protozoan blood parasites. Haemogregarines were reported in all the three species of geckos. Problems of the generic and specific ... -
Halophytes and Soil Salinity in Qatar
( Qatar University , 2002 , Article)Saline soils cover approximately 6% of the land in Qatar. Halophytes are common along the coastal areas and inland salt flats and wetlands, where saline water is available in their natural habitats permanently or periodically. ... -
Harmful Effects Of Sea Water Administration On Kidney Structure And Function
( Qatar University , 1992 , Article)Ratlus rattus received oral int'usiuii „; 3 ml of sea water for 5 consecutive days. Certain blood parameters and kidney structure and function were studied 24 hours and one week later. Hematocrit. plasma osmolality, sodium, ... -
Heat Budget of the Southeastern Part of the Arabian Gulf
( Qatar University , 2001 , Article)The surface heat fluxes through the air-sea interface for the coastal water of the southeastern part of the Arabian Gulf have been estimated using the bulk formulas. The annual mean values of the sensible, latent and back ... -
Heat Storage In The Eastern Mediterranean
( Qatar University , 1993 , Article)Results of the monthly climatological fields of heat storage for the Eastern Mediterranean are presented. The zonal annual trend of monthly mean heat storage in the Levantine, Aegean and Ionian Seas are shown as well as ... -
Heavy Metals Concentration Levels in some Fish Species in the Red Sea and Gulf of Aden-Yemen
( Qatar University , 2002 , Article)Level of heavy metals (Zn, Cu, Pb, and Cd) in four species of fish; manly, fish, Crenidens Crenidens, Scomberomorus Commerson, Rastrelliger Kanagurta, Thunnus Albacares were studied in the Red Sea of Yemen and the Gulf of ... -
Heavy metals concentrations in Otolithes ruber and Pampus argenteus location from the Gulf
( Qatar University , 1999 , Article)For dermination of the Concentration of six heavy metals ( Cu, Fe, Mn, Zn, Cd, Pb) in the muscle of Oyuber and Py argenteus. Eighty samples were collected from north Qeshm Island in the Persian gulf. For digestion of samples ... -
Heavy minerals and provenance of the paleozoic suffi formation, Western desert, iraq.
( Qatar University , 1996 , Article)Heavy minerals analyses were carried out on 10 samples from the clastic Suffi Formation (the Ordovician-Carboniferous unit in the western Iraqi desert). The suite of minerals consists mainly of opaque minerals including ...
