Faculty of Science & Technology (FST): Recent submissions
Now showing items 1341-1360 of 4284
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Flow of electric currents of telluric origin in a long metal pipeline and their effect in relation to corrosion control
(1980)To determine the effects of telluric currents on the corrosion of a 280-mile (450-km) steel pipeline in Kenya, Spencer and Partners, London, and the University of Nairobi, Kenya, estimated the extent to which these currents ... -
Calculation of flows past lifting airfoils
(University of Nairobi, 1983) -
Temporal patterns of duetting in African barbets
(1970)Four species of African barbets (Lybius torquatus, L. vieilloti, Trachyphonus darnaudii, and T. erythrocephalus) regularly sing in duet. Duets consist of phrases repeated at very regular intervals; in L. torquatus and L. ... -
Measurements of total electron content near the magnetic equator
(1966-11)The columnar electron content, nT, has been measured at Zaria for a 9-month period by the ‘close-spaced frequency’ method using the 40 and 41 Mc/s transmissions from the beacon satellite S-66 (BE-B). The ‘diurnal’ variation ... -
Concentration and High Pressure Liquid Chromatographic Determination of Pyrazon in Water
(University of Nairobi, 1980-10-14)Nyagah, G. (1981). Concentration and high pressure liquid chromatographic determination of pyrazon in water. Journal of Chromatographic Science, 19(10), 500-502. -
The recent secular variation of declination and inclination in Kenya
(University of Nairobi, 1975)Oriented specimens of very young lavas have been collected from 3 volcanic sites in Kenya in order to determine the declination and inclination angles at the times the lavas cooled. TheseD andI values have been tentatively ... -
The magnetic declination in Kenya
(University of Nairobi, 1973) -
New antitrypanosomal tetranotriterpenoids from Azadirachta Indica
(University of Nairobi, 1972-07)Organic extracts of the leaves of Azadirachta indica A. Juss. yielded ten antitrypanosomal terpenoids. Three of these (1 – 3), are novel and are derivatives of nimbolide and nimbin. They were extracted from chloroform fraction ... -
The paleomagnetism of the Turkana lavas
(University of Nairobi, 1966-02)Directions of magnetizations obtained after cleaning the Miocene lavas from northwest Kenya are presented. The pole position thus obtained, together with similar data from eastern Africa, indicates that no significant ... -
Horizontal drift measurements in the ionosphere near the equator
(University of Nairobi, 1958)MEASUREMENTS of horizontal drift in the ionospheric E- and F-layers have been made regularly at Ibadan (magnetic latitude 2½° S.) since June 1957. These measurements are of importance in view of the theory of the origin ... -
Interference effects of different metals in the atomic absorption spectrophotometric determination of chromium
(University of Nairobi, 1979)The interfering effect of thirty six metal salts on chromium absorbance in the air- acetylene flame has been studied. The interference does not depend on the boiling point of the added foreign metals or particle size as ... -
The belt of equatorial spread-F
(University of Nairobi, 1960)The morphology of the belt of equatorial spread-F at sunspot maximum is investigated, using I.G.Y. data, for magnetically quiet and magnetically disturbed conditions respectively. The belt is found to extend from about ... -
Spread F-layer echoes and radio-star scintillation
(University of Nairobi, 1956)Observations of radio-star scintillations made at University College of the Gold Coast, Achimota, and spread F-layers made at University College, Ibadan, Nigeria, have been compared. Considerable correlation is found, ... -
Scintillation fading of signals in the SHF band
(University of Nairobi, 1971)IN September 1970, the Mount Longonot satellite telecommunication station, situated in the Rift Valley thirty miles north-west of Nairobi, was put into commercial operation by the East African External Telecommunication ... -
University of Nairobi Library Magazine
(University of Nairobi, 1978-07) -
Equatorial spread-F at Ibadan, Nigeria
(University of Nairobi, 1961)The characteristics of equatorial spread-F at Ibadan (magnetic latitude 3°S) are investigated including nocturnal, seasonal, solar-cycle and magnetic disturbance variations; and all of these are found to show marked ... -
Terrestrial heat flow in Botswana and Namibia
(University of Nairobi, 1987)We report terrestrial heat flow measurements from 25 new sites in Botswana and Namibia. Twelve sites from the Archean Kaapvaal-Zimbabwe Craton and the Limpopo Belt have a mean of 47 ± 4 mW m−2 (standard error of the mean) ... -
The geomagnetic field in Kenya and secular variation at Epoch 1970.0
(University of Nairobi, 1970) -
Quantum genetics and a periodic Solid .
(university of Nairobi, 1977) -
Modelling The Dynamics Of Migrations For Large Herbivore Populations In The Amboseli National Park, Kenya
(Universty of Nairobi, 2013-04)The spread of human activity, settlement and land fragmentation threatens the migrations of large migratory ungulates in Africa. Modelling the migrations gives conservationists a tool for building scenarios of the threats ...
