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Now showing items 1221-1230 of 1381
Paragorgorhynchus aswanensis n.sp. (acanthocephala: Echinorhychidae): an intestinal parasite of some fishes from aswan high dam lake in upper egypt
(
Qatar University
, 1990 , Article)
Paragorgorhynchus aswanensis n.sp. is described, both by light and scanning electron microscopy, from Lates niloticus,, Clarias lazera, Bagrus bayad, B. docmac, and Tetraodon fahaka, caught from the Aswan High Dam Lake in ...
Correlations of partition data of carboxylic acids in water/organic solvent Systems with solvatochromic parameters
(
Qatar University
, 1994 , Article)
The partition coefficients of C2-Cg carboxylic acid monomeric forms between water and various organic solvents as well as the dimerization constants have been shown to be well correlated in terms of the solvatochromic ...
Capabilities/limitations of landsat-tm data for bathymetric analysis of shallow marine environment: A case study
(
Qatar University
, 1999 , Article)
The intensity of the light received by Landsat satellite sensors is inversely proportional to the path length though the sea water column. Since the light passes down to the sea floor and back again, the intensity should ...
Comparative studies of the oil from silybum marianum cultivated in Egypt using glc
(
Qatar University
, 1994 , Article)
Quantitative comparative study of the oil fraction constituents in the fruits of Silybum marianum successfully cultivated in new reclaimed land with those of the two wild types viz., purple flower and white flower bearing ...
Effect of level of relative humidity on fungi and germination capacity of paddy (oryza sativa l.) Grains in egypt
(
Qatar University
, 1993 , Article)
The changes in the composition of paddy grain-borne fungi in the germination capacity, and in the moisture content of paddy grains at various levels of relative humidity (r.h.) (~ 0-100%) stored at 20°C for 1, 2, 3 and 4 ...
Calcareous Nannoplankton From The Turonian-Maastrichtian Sequence East Of El Qusaima, Ne Sinai, Egypt
(
Qatar University
, 1992 , Article)
On terms of calcareous nannoplankton, the Turonian-Maastrichtian sequence in the studied area is subdivided into a number of nannoplankton zones. The recorded biozones represent the Turonian, Coniacian, Campanian and ...
Mercury Pollution In Abu Kir Bay East Of Alexandria, Egypt
(
Qatar University
, 1992 , Article)
Abu Kir Bay, east of Alexandria, is subjected to substantial pollution from two direct point sources which are Tabia Pumping Station (TPS) and Lake Edku Outlet (LEO). Mercury was speciated into dissolved reactive, dissolved ...
A rational logarithmic model for unconstrained non-linear optimization
(
Qatar University
, 1997 , Article)
A new non-quadratic model is proposed for solving unconstrained optimisation problems which modifies and develops the classical conjugate gradient methods. The technique has the same properties as the classical conjugate ...
HPLC and MS analyses of lutein-esters from tagetes patula L.
(
Qatar University
, 1996 , Article)
Investigation of the xanthophyll esters of Tagetes patula L. flowers resulted in the isolation and identification of lutein, lutein dimyristate, lutein myristate palmitate, lutein dipalmitate and lutein palmitate stearate. ...
Changes in some chemical constituents of stored grain and animal feed In two provinces in Saudi Arabia
(
Qatar University
, 1995 , Article)
Changes in total acidity, total carbohydrates, reducing sugars, starch, total protein, ether soluble fraction, sodium, potassium, calcium, magnesium, total phosphorus, ash, dry and wet gluten, crude fibres and specific ...