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Three steroidal alkaloids from Buxus hildebrandtii
(University of Nairobi, 1990)
From the leaves of Buxus hildebrandtii three new steroidal alkaloids have been isolated and their structures determined by spectroscopic analysis. The following derived names have been suggested for these new alkaloids: ...
Use of chromatographic retention measurements to obtain solubilities in a liquid or supercritical fluid mobile phase
(Elsevier, 1990)
A thermodynamic analysis is given of the relationship between the capacity factor in high-performance liquid chromatography (HPLC) and supercritical fluid chromatography (SFC) and the solubility of the solute in the mobile ...
Antifeedant effect of surface accumulated flavonoids of Polygonum senegalense
(University of Nairobi, 1990)
Analysis of transonic integral equations. II - Boundary element methods
(University of Nairobi., 1990)
Microorganisms associated with tsetse in nature: Preliminary results on isolation, identification and pathogenicity
(University of Nairobi., 1990-06)
Six genera of bacteria: Serratia, Providencia, Enterobacter, Aeromonas, Cedecea and Bacillus were isolated from field-collected G. pallidipes. Four genera: Serratia, Providencia, Enterobacter and Aeromonas were isolated ...
Ecological aspects of Eriophyes ficus Cotté and its mite Phytoseius finitimus Ribaga in fig orchards.
(University of Nairobi, 1990)
A survey in 1984-86 found that Eriophyes ficus [Aceria ficus] was the main pest on the fig varieties Sultani and Adsi in Egyptian orchards. The main peaks of infestation were in June and October on young leaves of both ...