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Now showing items 2111-2120 of 2122
Numerical study of magneto-fluid-mechanic combined free-and-forced convection heat transfer
(
Elsevier
, 1998 , Article)
Fully-developed, laminar, steady, free-and-forced convection heat transfer in an electrically-conducting fluid flowing in an electrically-insulated, horizontal, circular pipe (with its wall subjected to a uniform heat flux) ...
A comparison of the macrofauna of natural and replanted mangroves in Qatar
(
Academic Press
, 1999 , Article)
The present investigation quantifies the biodiversity of the Brachyura and fish living within the natural mangrove Avicennia marina, salt marsh find replanted mangal, and compares relevant features of the abiotic and biotic ...
Constituents of plants growing in qatar V. Constituents of the volatile oil of cymbopogon parkeri
(
Elsevier
, 1983 , Article)
Analysis of the volatile oil of Cymbopogon parkeri has been carried out by capillary gas chromatography-mass spectrometry. To facilitate identification, prefractionation of the oil by adsorption high-performance liquid ...
Sesquiterpene lactones from Pulicaria sicula
(
Elsevier
, 1988 , Article)
The aerial parts of Pulicaria sicula afforded the known xanthanolides 1-6, the guaianolides 7 and 8 as well as two new ones, the lactone 9 and the corresponding epoxide 10. Furthermore nerylisobutyrate and the thymol ...
Constituents of plants growing in Qatar III - Nutritive constituents of Garawah (Glossonema edule)
(
Junk Publishers
, 1983 , Article)
Both the pericarp and the unripe seeds of the unripe fruits of Glossonema edule were separately analysed. The crude protein content of the unripe seeds is double that of the pericarp. Investigation of the amino acids of ...
Pinctada radiata (pearl oyster): A bioindicator for metal pollution monitoring in the Qatari waters (Arabian Gulf)
(
Springer Nature
, 1998 , Article)
Bivalves are extensively used in monitoring programmes in the marine environment due to their ability to concentrate pollutants to several orders of magnitude above ambient levels in sea water. Commonly, the levels of ...
Industrial dumping impact on oxygen and nitrogen fluxes in Abu Qir Bay, Southeastern Mediterranean Sea
(
Elsevier
, 1997 , Article)
An input/output flux model was used for the technical assessment of the effects of the present as well as the proposed reduction in the discharge of a major wastewater (industrial and sewage) dumping site on the dissolved ...
Beach tar contamination on the Qatari coastline of the Gulf
(
Elsevier
, 1999 , Article)
Beach tar concentrations were measured along the Qatari coastlines. Tar concentrations, collected from 11 locations, varied in space and time with values ranging between 2 and 1132 g m−1 (average 290 g m−1) of beach front. ...
THE TRANSFER OF PSYCHOLOGICAL KNOWLEDGE TO THE THIRD WORLD COUNTRIES AND ITS IMPACT ON DEVELOPMENT: THE CASE OF FIVE ARAB GULF OIL-PRODUCING STATES
(
Elsevier Science Publishers B.V.
, 1984 , Article)
Psychological knowledge transmitted by universities in Bahrain, Kuwait, Qatar, Saudi Arabia and the United Arab Emirates is presented and some historical-cultural roots identified. Required courses for a B.A. are similar ...
Dissolved copper, cadmium and lead in the coastal waters of Qatar, Arabian Gulf
(
National Institute of Science Communication and Information Resources (NISCAIR)
, 1997 , Article)
The concentrations of Cu, Pb and Cd have been determined in the exclusive economic zone of Qatar, Arabian Gulf during December 1993. Cathodic stripping voltammetry (CSV) was used both before and after UV destruction of ...