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السجلات المعروضة 351 -- 360 من 451
Subsurface Exploration for Construction of Lightning Protection System Using the Geophysical Methods, Alexandria, Egypt (A Case Study)
(
Qatar University
, 1997 , Article)
Both electrical resitivity and total intensity magnetic measurements are combined together in an integrated manner to explore the subsurface layer and behavior of magnetic field in an area, where lightning protection ...
Ecophysiology Of Desert Animals
(
Qatar University
, 1995 , Article)
The principal environmental problems that confront
both plants and animals in the desert are water shortage and
flooding, thermal extremes, and the absence of cover. Adaptational
responses to these include cryptobiosis, ...
Analytical Studies Of Some Controlled And Noncontrolled Drugs Of Abuse
(
Qatar University
, 1991 , Article)
Separation and identification of some depressants and stimulants by GLC, combined GC-MS and HPLC techniques was attempted. The results obtained are successful, valuable and may be applied in routine forensic analysis.
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 ...
Studies On Possible Factors In Saliva In The Etiology Of Oral Cancer
(
Qatar University
, 1994 , Article)
The present study was performed on 195 individuals divided according to their oral hygiene into the following four groups; Group I: Control healthy individuals; Group II: Patients suffering of early to moderate periodontitis; ...
Plant diversity, dispersion, community similarity and vegetation description in united arab emirates. I. North western area
(
Qatar University
, 1995 , Article)
Papers presented at The gulf symposium on Environmental biology, University of Qatar, 7-9 May 1994
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Plant population patterns in six natural communities (A-F) in the northern part of the UAE were studied. The ...
Effects of gamma radiation on the Elemental composition of the flour moth Ephestia kuhniella z
(
Qatar University
, 1994 , Article)
The effect of gamma radiation on the elemental composition of larvae, pupae and adults stages of the flour moth Ephestia kuhniella after irradiation of eggs to the sterilizing dose was studied. The elemental composition ...
The effect of the insecticide (primicid) On neurosecretory cells of the earthworm aporrectodea caliginosa
(
Qatar University
, 1995 , Article)
The effect of the insecticide "Primicid" on the neurosecretory cells of the cerebral ganglion of the earthworm Aporrectodea caliginosa was studied. The fine changes in the organelles of certain ncurosecrelory cells was ...
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 ...