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Now showing items 11-20 of 148
A Problem In Magneto-Thermoelasticity For A Hollow Circular Cylinder With Thermal Relaxation
(
Qatar University
, 1997 , Article)
The problem of an infinitely long annular cylinder whose inner surface is thermally insulated and whose outer surface is kept at a constant temperature is considered in the presence of an axial uniform magnetic field. The ...
Production Of Extracellular Enzymes By Some Soil Yeasts
(
Qatar University
, 1997 , Article)
This study investigated the ability of soil yeasts, Geotrichum candidum, Geotrichum capitatum and Williopsis californica to produce extracellular enzymes (amylase, cellulase and protease) in vitro compared with that of a ...
On the effectiveness of the vlf-em method For ground water prospecting in the Basement terrains, Sinai, Egypt
(
Qatar University
, 1997 , Article)
The VLF-EM method is proved to be an effective, fast and inexpensive tool for ground water prospecting in the basement terrains of Southern Sinai. The resistive shallow alluvial deposits increase the penetration depth of ...
Ascending urinary tract infection in rats caused by Proteus mirabilis
(
Qatar University
, 1997 , Article)
A model for ascending unobstructed urinary tract infection was developed in female rats to study the pathogenesis of urinary tract infection by Proteus mirabilis. Urinary bladders of rats were inoculated by I. V. cannula ...
Some Adsorption Characteristics of Sodium decyl and dodecyl Sulphates on the surface of Emulsifier-free Polymer Latex Particles
(
Qatar University
, 1997 , Article)
The adsorption characteristics of sodium decyl and dodecyl sulphates on polystyrene latex particles have been investigated.
The study involves the addition of known amounts of the surfactant to an emulsifier-free latex, ...
Record of a fruiticose lichen, Ramalina farinacea (L.) Ach. for Qatar
(
Qatar University
, 1997 , Article)
Lichens are thallophytic lower plants. Ramalina farinacea (L.) Ach., family Ramalinaceae, is the only fruticose lichen recorded in Qatar. It occurs on stony terrain bordering the coastline in association with other more ...
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 ...
Fish diversity in correlation with some environmental factors in the mangal of two protectorate areas, ras muhammed and nabq on the red sea in egypt.
(
Qatar University
, 1997 , Article)
The present investigation is an attempt to study the fish diversity at five sites of the mangrove forests (Mangal) in two famous protectorate areas : Ras Muhammed and Nabq on the Red Sea in Egypt. The present investigation ...
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 ...
On A Relation Between Two Absolute Summability Methods
(
Qatar University
, 1997 , Article)
In this paper we prove a theorem concerning a relation between the summability methods |R,pn,qnlJt and |R,un|fc , k > 1 , which generalizes a result of Bor [2].