Faculty of Science & Technology (FST): Recent submissions
Now showing items 1081-1100 of 4283
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Control of gliding angle in Rüppell's Griffon Vulture Gyps rüppellii
(University of Nairobi, 1970-11)1. The drag of the frozen, wingless body of a Rüppell's griffon vulture was measured in a wind tunnel with a simple drag balance. The drag coefficient with feet and neck retracted was 0.43, based on the greatest cross-sectional ... -
Gliding Flight of the Dog-Faced Bat Rousettus Aegyptiacus Observed in a Wind Tunnel
(University of Nairobi, 1971)1. A bat was trained to fly in a tilting wind tunnel. Stereoscopic photographs were taken, both by reflected and by transmitted light, and measurements of best gliding angle were made. 2. Variation of wing span and area ... -
A method of identifying individual lions Panthera leo with an analysis of the reliability of identification
(University of Nairobi, 1970-04)A method is described of identifying lions from the patterns of vibrissa spots. “Reliability” of identification is discussed in terms of the probability of there being more than one individual with a given spot pattern in ... -
Genetics of the mimetic African butterfly Hypolimnas misippus: hindwing polymorphism
(University of Nairobi,, 1989)The hindwing polymorphism in Hypolimnas misippus is autosomal but sex-limited to the female. It is characterised by three intergrading phenotypes, orange, low white (white in 1–3 intervein spaces) and high white (white in ... -
Dielectric loss measurements on raw materials
(University of Nairobi,, 1980)This paper describes a relatively simple experiment which can be performed by undergraduate students to study the dielectric properties of materials. Values of the dielectric loss tangent can be determined at low frequencies ... -
The Montgenevre ophiolite (Hautes Alpes, France): Meta—morphism and trace-element geochemistry of the volcanic sequence
(University of Nairobi, 1980)The Montgenevre ophiolite near Briançon in the French Alps consists of pillow lavas, pegmatitic and flaser gabbros and serpentinite in tectonic contact. These rocks have been metamorphosed under prehnite—pumpellyite to ... -
Radiation Measurements Mount Kenya, At Lewis Kenya
(University of Nairobi, 1980)ABSTRACT. Short- and long-wave radiation on variously oriented vertical surfaces, direct solar radiation, global radiation, and long-wave radiation on a horizontal surface were measured on Lewis Glacier, Mount Kenya, ... -
A new map of Lewis Glacier, Mount Kenya
(University of Nairobi, 1977) -
Gliding Flight Of The White-backed Vulture Gyps Africanus
(University of Nairobi, 1970-11)1. Glide-comparison measurements were made on ten species of East African soaring birds using a Schleicher ASK-14 powered sailplane. Horizontal and vertical speed differences between bird and glider were measured by a ... -
Mean motion field in East Africa at the level of the East African low level jet core
(University of Nairobi, 1985)The mean flow over East Africa at the 1.5 km level during May through September is presented. All available daily wind vectors from 1952–1973 for 22 pilot balloon stations were used. The southeast-southwest monsoon ... -
A newly found jet in North Kenya (Turkana Channel)
(University of Nairobi, 1982-11)On the basis of recent pilot balloon observations which have become available in northern Kenya, it is shown that there exists a strong southeasterly low-level jet in the Turkana Channel which separates the Ethiopian ... -
The South Turkana Expedition: Scientific Papers III. A Geological Reconnaissance of South Turkana
(University of Nairobi, 1970) -
Report on airmagnetic surveys of two areas in the Kenya rift valley ag
(University of Nairobi, 1972)Airmagnetic surveys have been carried out in two areas within the Kenya Rift system: the Lake Magadi region and the region south of Lake Hannington. In both regions, but particularly in the area south of Lake Hannington, ... -
Variations of Lewis Glacier, Mount Kenya, 1974-78
(University of Nairobi, 1979) -
Geochemical studies of the geothermal area east of the Jombo Hill intrusion, Coast Province, Kenya: 1. Hot water reservoir temperatures
(University of Nairobi, 1985)The hot springs east of Jombo Hill intrusion occur at four different places over an area measuring 9 km x 2 km. They consist of slightly alkaline waters of pH 7.5-8.5, with surface discharge temperatures averaging 59oC - ... -
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 ... -
Thermodynamic and kinetic aspects of formation of bauxites
(University of Nairobi, 1987)Experiments in which cleavage nepheline samples were reacted with aqueous solutions at fixed pH's and temperature were carried out in the laboratory. The chemistry of the solution as a function of time was monitored, as ... -
Determination of rare earth elements in geological materials by total reflection x-ray fluorescence
(University of Nairobi, 1991)The use of a basic total reflection x-ray fluorescence (TXRF) unit coupled to a fine structure Mo x-ray tube for the determination of rare earth elements (REEs) in geological materials was investigated. Three certified ... -
The Kenya Rift volcanics: A note on volumes and chemical composition
(University of Nairobi, 1972)Cainozoic alkaline volcanics associated with the Kenya Rift Valley have an estimated total volume of about 144,000 km3. Basalts were erupted repeatedly and account for more than half this volume. The most strongly alkaline ... -
The FT - IR and Malarial Biological Studies of Copper(II ) Complexes Containing Thiosemicarbazone and Semicarbazone Ligands Derived from Ferrocene and Pyridyl Fragments
(University of Nairobi, 2010-03)The Fourier Transform Infrared (FTIR) spectroscopic and malarial biological studies of complexes derived from the reactions of 2- acetylferrocenyl 4-phenylthiosemicarbazone, 2-acetylferrocenyl-4-methylthiosemicarbazone, ...