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Constituents Of Centaurea Species
(
Qatar University
, 1992 , Article)
A comprehensive review of Centaurea species including all the isolated consituents is given. The biological activities of the studied species are also reported.
Parasites As Biological Tags In Population Studies Of Marine Organisms
(
Qatar University
, 1999 , Article)
Parasites have been used to identify and trace the migrations of different intraspecific populations of commercially important marine fish since 1939, Literature research shows how the numbers of publications involving ...
Effects of the expected sea level rise on avicennia marina L: a case study in Qatar
(
Qatar University
, 1995 , Article)
A simulation of the expected sea levels rise was carried out by imposing a state of protracted flooding on seedlings of the mangrove species Avicennia marina L. under natural conditions. The imposed flooding resulted in ...
Spectroscopy in Corrosion Studies of Copper
(
Qatar University
, 1994 , Article)
Spectrophotometric measurements were used to study corrosion of copper in aqueous solutions containing the four following depolarizers: K2Cr2O-j, K2S2O8, Fe(NH4)(SC>4)2 and CCI3COOH. A silica cell was used for the corrosion ...
Effects of the electric field and gamma Radiation on the optical properties of Modified low density polyethylene
(
Qatar University
, 1997 , Article)
The effect of electric field and gamma radiation on the optical properties of low density polyethylene LDPE grade CD 0230 have been studied. The samples were irradiated at gamma doses of 0-100 Mrad and varying electric ...
Application of optimum offset shallow seismic reflection technique In the area of west el fashn, egypt
(
Qatar University
, 1996 , Article)
A shallow optimum offset reflection survey was performed in El Fashn area. The purpose of this survey was to determine the continuity of the subsurface boundary conditions
The optimum offset shallow seismic reflection ...
Study of carbonate rocks of the khuff and Jubaila formations , saudi arabia by Thermal derivatography
(
Qatar University
, 1997 , Article)
Thermal derivatographic analysis of the Khuff and Jubaila carbonate rocks shows that calcite and / or dolomite (of calcitic type) are the main constituent minerals. Their differential thermal and thermogravimetric behaviours ...
Stochastic Classes Of Life Distributions
(
Qatar University
, 1990 , Article)
The concept of stochastic ordering of random variables is used to characterize the behaviour of the life length variables. This leads to some new classes of ageing namely, the stochastic classes of life distributions. The ...
The First Record of Philometra lateolabracis Yamaguti, 1935 (Nematoda: Spirurida; Philometridae) from teleost fishes of the Arabian Gulf
(
Qatar University
, 1999 , Article)
Philometra lateolabracis Yamaguti, 1935 was collected from the ovaries of Liza macrolepis (Mugilidae), Epinephelus tauvina (Serranidae), E. areolatus (Serranidae), Trichiurus haumela (Trichiuridae), Psettodes erumei ...
The relationship between heavy metal concentration and soil mycoflora in the Gizan region, Saudi Arabia
(
Qatar University
, 1997 , Article)
Soil samples were collected from different places from the Gizan region, Saudi Arabia, and analyzed mechanically and chemically for mineral content. The soils were highly alkaline and sandy in texture in all cases. The ...