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Now showing items 31-40 of 44
Multiple Plantlets In Lateral Bud And Leaf Explant In Vitro Cultures Of Pineapple
(University of Nairobi, 1979-12)
Plantlets were obtained from usually dormant axillary buds, excised from the crown of pineapple (Ananas comosus L. Merr.) and grown in culture. Multiple shoots arose from single buds grown on Murashige and Skoog medium ...
Environmental aspects of settlement site decisions among pastoral Maasai
(University of Nairobi, 1979)
Maasai settlements in Amboseli are distributed in a pattern which reflects various physical and biological characteristics of the landscape. The settlements avoid hillslope gradients exceeding 0.08, and the lower sections ...
Inhibition By Tryptophan Of Nucleolar Rna Synthesis In Salivary Gland Nuclei Of Chironomus Thummi
(University of Nairobi, 1979)
Tryptophan, but not glutamine and lysine, inhibits the incorporation of3H-uridine into nucleoli of explanted salivary glands by about 60%. In isolated nuclei also, the nucleolar incorporation of3H-uridine triphosphate is ...
New Perspectives In Vertebrate Paleoecology From A Recent Bone Assemblage
(University of Nairobi, 1979)
Abstract.-Interpretations of vertebrate paleoecology depend on knowledge of taphonomical processes which alter the composition of the preserved fossil assemblage from that of the original community. Study of the potential ...
Methallibure studies on tilapia. III. Effects of tilapian partially purified pituitary gonadotrophic fractions on the testes of Methallibure-treated Sarotherodon spirulus (= Tilapia nigra)
(University of Nairobi, 1979-12)
Tilapian fish Sarotherodon spirulus (= Tilapia nigra) were treated with the gonadotrophic inhibitor, methallibure, for 9 weeks during the last 2 of which they were divided into a control group and 8 experimental groups. ...
Dynamic ecology of Aldabran seabird communities
(University of Nairobi, 1979-07)
The characteristics of the present seabird community of Aldabra are described, and compared briefly with others in the tropics. By comparison with Pacific Ocean communities, Aldabra is deficient especially in petrels and ...
Use of complexing ligands in the determination of antimony and tin by atomic-absorption spectrometry
(University of Nairobi., 1979-04)
The atomic-absorption spectrophotometric determination of antimony is best achieved in the presence of either an ammonium fluoride, hydrochloric acid, nitric acid mixture, or one of the following complexing agents: tartaric ...
Basaltic Macadam-breccias In The Girvan-ballantrae Complex, Ayrshire
(University of Nairobi, 1979-09)
Many supposed “volcanic agglomerates and tuffs” in the Girvan-Ballantrae complex of southern Ayrshire are considered to be non-pyroclastic in origin. These macadam breccias are accumulations of lava breccia derived mainly ...
Some Measurements in Radial Free Jets
(University of Nairobi, 1979)
Rainfall Variability in East Africa
(University of Nairobi, 1979)