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السجلات المعروضة 111 -- 120 من 147
Zinc Tolerance and Accumulation in Aspergillus oryzae Penicillium citrinum and Rhizopus stolonifer isolated from Saudi Arabian Soil
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Qatar University
, 1997 , Article)
Aspergillus oryzae, Penicillium citrinum and Rhizopus stolonifer isolated from Taif soil, Saudi Arabia could survive in a liquid medium containing up to 500 ug/ml Zn. Aspergillus oryzae and Penicillium citrinum were more ...
Scanning electron microscopy on adults of Schistosoma mansoni treated in-vivo with praziquantel and RO-15 (5458).
(
Qatar University
, 1997 , Article)
In view of the known relationship between changes in the tegumental surface of schistosomes and the potency of antischistosomal drugs,
the present work is done to study the effect of two oral drugs, namely Praziquantel ...
الابتكار واشكالية البحث عن الأصالة في التعبير الفني
(
Qatar University
, 1997 , Article)
Thermometric Study of Inhibition of Aluminium Corrosion in Hydrochloric Acid Solution
(
Qatar University
, 1997 , Article)
The use of 6- amino - 4- (4-phenyl)-l,4- dihydro -3- methylpyrano [2,3- c] pyrazole -5- carbonitrile and some related compounds as corrosion inhibitors for aluminium in 2 M HCl solution was studied by the thermometric ...
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 ...
Temperature-salinity structure and mixed layer in the Western Mediterranean Sea
(
Qatar University
, 1997 , Article)
The hydrographic data taken during 1932 — 1985 were analyzed to present the mean temperature structure and the mixed layer in the different basins in the Western Mediterranean Sea. The data indicate that a surface mixed ...
Geochemical studies using trace elements analysis of source rocks and related crude oil in the Gulf of Suez, Egypt
(
Qatar University
, 1997 , Article)
The occurrence and distribution of trace elements in source rocks and crude oils is used to asses the process of geochemical exploration. Rock and crude oil samples representing the giant fields of the Gulf os Suez province ...
New switching algorithm for combining new multi-step CG and self-scaling VM algorithms for non-linear optimization
(
Qatar University
, 1997 , Article)
New interleaved CG and self-scaling VM algorithm is presented in this research which combines Al Bayati's self-scaling VM algorithm with another new multi-step CG algorithm with inexact line searches (ILS). In an interleaving ...
A study on summability factors of infinite series
(
Qatar University
, 1997 , Article)
A new theorem concerning N,p q , summability factors of infinite series are deduced.
Analysis Of The Coupling Gap Between Microstrip Antennas
(
Qatar University
, 1997 , Article)
The accurate and efficient Galerkin's method was developed in the spectral domain for analyzing gap discontinuities in patch antenna array. Using new current distribution the problem is solved using full wave approach ...