Search
Now showing items 11-20 of 77
Study Of Aerobiology Of Alexandria, Egypt
(
Qatar University
, 1991 , Article)
The present study provides a survey of atmospheric pollen and fungal spores in the city of Alexandria with the aim of supplying information that may be useful in the treatment of aeroallergies. Considerable attention has ...
Mineral Content Of Soil And Wild Plants From Saudi Arabia
(
Qatar University
, 1996 , Article)
Soil and wild plant samples were collected from different localities from the industrial Yanbu city, Saudi Arabia, and analyzed for their mineral content. Soil samples from the tested localities differed greatly and contained ...
Partial characterization Of an alkalophilic extracellular Crude pectinases from a bacillus Polymyxa strain
(
Qatar University
, 1999 , Article)
A mesophilic spore forming isolate from the soil of Um-Qais region, which could produce extracellular pectinases was tentatively identified as Bacillus polymyxa. This bacterium grew best at 37°C and pH 7.0 and was able to ...
Plant phenology and its relation to the cool semi-arid condition of Sana'a
(
Qatar University
, 1997 , Article)
In the cool semi-arid highland areas of Sana'a a plant phenological study of forty two species revealed that there was one major
outburst of plant emergence corresponding with the first period of the heavy rainfall which ...
Pullulan production from sugar beat molasses
(
Qatar University
, 1997 , Article)
Sugar beet molasses was used as the substrate for the production of pullulan with Aureobasidum pullulans ATCC 42023. In addition biomass, residual sugar and final pH of the culture medium were investigated. In comparing ...
Toxicity of Cobalt and Nickel to Fusarium Solani Isolated From Saudi Arabian Soil
(
Qatar University
, 1994 , Article)
Fusarium solani isolated from Saudi Arabian soil was able to grow on liquid media containing up to 300 ug/ml cobalt or nickel. F. solani was tolerant to cobalt than nickel. The results provide evidence of the accumulation ...
Cytology and palynology of common monocots in mariut, egypt i. Common species of the families alliceae and liliaceae
(
Qatar University
, 1994 , Article)
The present sludy includes cytological and palynological investigations of five species belonging to the families Alliaceae and Liliaceae, as an impetus for more in-depth floristic, taxonomic and phytogeographical ...
Effect Of Culture Conditions On The Production Of Growth Regulators And Extracellular Enzymes By Streptomyces Olivaceoviridis
(
Qatar University
, 1996 , Article)
It was proposed to find out the optimum environmental conditions and nutritional requirements for highest growth regulating substance and enzyme production by Streptomyces olivaceoviridis. The optimum oc-amylase and ...
Proteins of cottonseed (gossypium barbadense) .• extraction and characterization by electrophoresis
(
Qatar University
, 1995 , Article)
The seed proteins of cotton (Gossypium barbadense) were quantitavely and qualitavely investigated. The qualitative study was carried out using different electrophoretic techniques ((PAGE, SDS-PAGE, Poro-PAGE, SDS-Poro-PAGE, ...
Fungi Associated With The Hair Of Goat And Sheep From El-Bahrain
(
Qatar University
, 1995 , Article)
The mycoflora on the hair in 25 samples of each of goats and sheep collected from El - Bahrain was analysed using two isolation methods at 25 !C. Seventy species and 3 varieties belonging to 31 genera were collected from ...