Find Research Outputs

1994
5 Citations (Scopus)

Total solar radiation received at various collector inclinations

Oladiran, M. T., Jan 1 1994, In : Applied Energy. 48, 2, p. 149-161 13 p.

Research output: Contribution to journalArticle

Solar radiation
Solar energy
solar radiation
Incident solar radiation
insolation

Two fluid flows - with or without phase change

Narain, A., Siginer, D. A. & Kelkar, K. M., 1994, In : [No source information available].

Research output: Contribution to journalArticle

Flow of fluids
Mechanical engineering
Condensation
Mechanics
Thin films
1993
11 Citations (Scopus)

Application of hydride generation to the determination of trace concentrations of arsenic by capacitively coupled microwave plasma

Hueber, D. M., Masamba, W. R. L., Spencer, B. M. & Winefordner, J. D., 1993, In : Analytica Chimica Acta. 278, 2, p. 279-285 7 p.

Research output: Contribution to journalArticle

Arsenic
Microwaves
Hydrides
arsenic
Plasmas

Constitutive theory for macromolecular media

Siginer, D. A. & Yanovsky, Y. G., 1993, Developments in Non - Newtonian Flows. Siginer, D. A., VanArsdale, W. E., Altan, C. M. & Alexandrou, A. N. (eds.). Publ by ASME, Vol. 175. p. 35 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Macromolecules
Data storage equipment
Fluids
6 Citations (Scopus)

Detection of changes in rainfall and runoff patterns

Lungu, E. M., Jun 15 1993, In : Journal of Hydrology. 147, 1-4, p. 153-167 15 p.

Research output: Contribution to journalArticle

time series
runoff
rainfall
detection
trend
18 Citations (Scopus)

Energy Considerations in the Flow Enhancement of Viscoelastic liquids

Dennis, S. & Valenzuela-Rendón, A., 1993, In : Journal of Applied Mechanics, Transactions ASME. 60, 2, p. 344-351 8 p.

Research output: Contribution to journalArticle

Energy conservation
augmentation
Pipe flow
waveforms
Liquids
41 Citations (Scopus)

Exponential attractors for extensible beam equations

Edein, A. & Milani, A. J., 1993, In : Nonlinearity. 6, 3, p. 393-415 23 p.

Research output: Contribution to journalArticle

Exponential Attractors
Beam Equation
Damping
Attractor
functionals
20 Citations (Scopus)

Growth of Ce on Rh, surface alloy formation and the preparation and properties of Rh/ceria model planar catalysts

Warren, J. P., Zhang, X., Andersen, J. E. T. & Lambert, R. M., May 10 1993, In : Surface Science. 287-288, PART 1, p. 222-227 6 p.

Research output: Contribution to journalArticle

Cerium compounds
catalysts
cerium oxides
preparation
Catalysts
12 Citations (Scopus)

Local exponential attractors for models of phase change for compressible gas dynamics

Eden, A., Milani, A. & Nicolaenko, B., Dec 1 1993, In : Nonlinearity. 6, 1, p. 93-117 25 p., 007.

Research output: Contribution to journalArticle

Exponential Attractors
Gas dynamics
gas dynamics
Phase Change
Gas Dynamics
3 Citations (Scopus)
Unsteady flow
Constitutive equations
Flow of fluids
Data storage equipment
Fluids
6 Citations (Scopus)

Swirling Free Surface Flow in Cylindrical Containers

Dennis, S. & Knight, R., 1993, In : Journal of Engineering Mathematics. 27, 3, p. 245-264

Research output: Contribution to journalArticle

Swirling Flow
Free Surface Flow
Container
Free Surface
Containers

The basement structure in Barkumbo Valley, Bauchi, Nigeria: a revelation from seismic refraction and DC resistivity studies

Ali, S., Shemang, E. N. & Likkason, O. K., Jan 1 1993, In : Journal of Mining & Geology. 29, 2, p. 47-51 5 p.

Research output: Contribution to journalArticle

Nigeria
seismic refraction
basements
valleys
refraction
5 Citations (Scopus)

The state of gold mining in Ghana

Mireku-Gyimah, D. & Suglo, R. S., Jan 1 1993, In : Transactions - Institution of Mining & Metallurgy, Section A. 102, Jan-April

Research output: Contribution to journalArticle

Gold mines
gold
Gold
Coastal zones
Dredging
1992
1 Citation (Scopus)

Assessment of skin hydration and softening effects of colloidal oat fraction containing cream

Creidi, P., Faivre, B. & Agachi, P., 1992, In : Journal of Applied Cosmetology. 10, 1, p. 1-6 6 p.

Research output: Contribution to journalArticle

24 Citations (Scopus)

Buckling of columns of variable flexural rigidity

Siginer, A., 1992, In : Journal of Engineering Mechanics - ASCE. 118, 3, p. 640-643 4 p.

Research output: Contribution to journalArticle

Rigidity
Buckling
Elastic moduli

Buoyancy driven non-Newtonian flows in enclosures

Valenzuela-Rendon, A. & Siginer, D. A., 1992, Recent Advances in Non-Newtonian Flows. Publ by ASME, Vol. 153. p. 67-74 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Non Newtonian flow
Buoyancy
Enclosures
Grashof number
Shear thinning
4 Citations (Scopus)
X ray photoelectron spectroscopy
attenuation
Metals
escape
Monolayers
36 Citations (Scopus)

Finite dimensional exponential attractors for semilinear wave equations with damping

Eden, A., Milani, A. J. & Nicolaenko, B., Sep 15 1992, In : Journal of Mathematical Analysis and Applications. 169, 2, p. 408-419 12 p.

Research output: Contribution to journalArticle

Exponential Attractors
Semilinear Wave Equation
Wave equations
Damping
sine-Gordon equation
1 Citation (Scopus)
charging
Electrons
Metals
Kinetic energy
shift
21 Citations (Scopus)
Pressure gradient
Shear thinning
Liquids
Steady flow
Shear flow
8 Citations (Scopus)

Quasifree subthreshold pion production in the reaction C12(p,d+)11B

Cowley, A. A., Roos, P. G., Lawrie, J. J., Smit, F. D., Pilcher, J. V., Förtsch, S. V., Steyn, G. F. & Hillhouse, G. C., Jan 1 1992, In : Physical Review C. 45, 4, p. 1745-1747 3 p.

Research output: Contribution to journalArticle

pions
impulses
thresholds
energy
cross sections
3 Citations (Scopus)

TESTING SPHERICITY UNDER A MIXTURE MODEL

Amey, A. K. A. & Gupta, A. K., Jan 1 1992, In : Australian Journal of Statistics. 34, 3, p. 451-460 10 p.

Research output: Contribution to journalArticle

Sphericity Test
Sphericity
Mixture Model
Robustness
Sample Covariance Matrix
1991
7 Citations (Scopus)

Anomalous steady flows in a tube

Siginer, A., 1991, In : Rheologica Acta. 30, 5, p. 474-479 6 p.

Research output: Contribution to journalArticle

Secondary flow
steady flow
Pipe flow
Steady flow
tubes
6 Citations (Scopus)

Behavior and toxicity of antimony in the short-tailed field vole (Microtus agrestis)

Ainsworth, N., Cooke, J. A. & Johnson, M. S., Jan 1 1991, In : Ecotoxicology and Environmental Safety. 21, 2, p. 165-170 6 p.

Research output: Contribution to journalArticle

Antimony
Arvicolinae
antimony
Toxicity
toxicity
34 Citations (Scopus)

Biological significance of antimony in contaminated grassland

Ainsworth, N., Cooke, J. A. & Johnson, M. S., Aug 1 1991, In : Water, Air, and Soil Pollution. 57-58, 1, p. 193-199 7 p.

Research output: Contribution to journalArticle

Antimony
antimony
grassland
Soils
grassland soil
3 Citations (Scopus)

Caractéristiques stochastiques des processus de précipitations-écoulements dans le sud-est du botswana

Translated title of the contribution: Stochastic characteristics of rainfall-runoff processes in southeast botswanaLungu, E. M., Jan 1 1991, In : Hydrological Sciences Journal. 36, 5, p. 423-434 12 p.

Research output: Contribution to journalArticle

runoff
rainfall
baseflow
catchment
drainage
2 Citations (Scopus)

Characterization of metal-overlayer growth-modes in Auger crystal surface analysis

Andersen, J. E. T. & Møller, P. J., Nov 2 1991, In : Surface Science. 258, 1-3, p. 247-258 12 p.

Research output: Contribution to journalArticle

Yttrium
Surface analysis
yttrium
crystal surfaces
Metals
6 Citations (Scopus)

Effect of nozzle inclination on jet-impingement heat transfer in a confined cross-flow

Ward, J., Oladiran, M. T. & Hammond, G. P., Dec 1 1991, Fundamentals of Forced Convection Heat Transfer. Publ by ASME, Vol. 181. p. 25-31 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Nozzles
Heat transfer
Sublimation
Naphthalene
Flow velocity

Existing and planned Environmental Education activities at the University of Botswana 1991: a paper presented at Environmental Education Conference, organised by Faculty of Education, University of Botswana

Totolo, O. (ed.), 1991, A National Planning Conference 7 - 11th October 1991. M. C. & M. N. (eds.). p. 127 - 140

Research output: Chapter in Book/Report/Conference proceedingChapter (peer-reviewed)

3 Citations (Scopus)
7 Citations (Scopus)

Matrix-effect correction in oxide crystal Auger electron spectroscopy

Andersen, J. E. T., Feb 2 1991, In : Surface Science. 243, 1-3, p. 337-349 13 p.

Research output: Contribution to journalArticle

Auger electron spectroscopy
Oxides
Auger spectroscopy
electron spectroscopy
Crystals
1 Citation (Scopus)

Multiple Integral Constitutive Equations in Unsteady Motions and Rheometry

Dennis, S., Nov 1991, In : Applied Mechanics Reviews. p. 232-245

Research output: Contribution to journalArticle

Unsteady flow
Constitutive equations
Flow of fluids
Fluids
Experiments

On maximum likelihood estimation of the center of a centrally symmetric convex domain

Amey, A., Gupta, A. K., Norton, V. & Székely, G. J., May 1 1991, In : Journal of Statistical Computation and Simulation. 39, 1-2, p. 1-7 7 p.

Research output: Contribution to journalArticle

Maximum likelihood estimation
Convex Domain
Uniform distribution
Maximum Likelihood Estimation
Maximum Likelihood Estimator
12 Citations (Scopus)

On some nearly viscometric flows of viscoelastic liquids

Siginer, A., 1991, In : Rheologica Acta. 30, 5, p. 447-473 27 p.

Research output: Contribution to journalArticle

Flow of fluids
Elasticity
Flow rate
shear
Fluids
22 Citations (Scopus)

On the pulsating pressure gradient driven flow of viscoelastic liquids

Siginer, A., 1991, In : Journal of Rheology. 35, 2, p. 271-311 41 p.

Research output: Contribution to journalArticle

Pressure gradient
pressure gradients
Flow of fluids
liquids
Rheology
16 Citations (Scopus)

Optical properties of selectively absorbing r.f. sputtered NiAl2O3 composite films

Sathiaraj, T. S., Thangaraj, R., Al Sharbaty, H. & Agnihotri, O. P., Jan 1 1991, In : Thin Solid Films. 195, 1-2, p. 33-42 10 p.

Research output: Contribution to journalArticle

Composite films
Nickel
Optical properties
optical properties
composite materials

Optical properties of selectively absorbing r.f. sputtered NiAl2O3 composite films

Thangaraj, R., Al Sharbaty, H., Agnihotri, O. P. & Sathiaraj, S., 1991, In : Thin Solid Films. 195, 1, p. 33-42 10 p.

Research output: Contribution to journalArticle

Composite films
Nickel
Optical properties
optical properties
composite materials
18 Citations (Scopus)

Oscillating flow of a simple fluid in a pipe

Siginer, A., 1991, In : International Journal of Engineering Science. 29, 12, p. 1557-1567 11 p.

Research output: Contribution to journalArticle

Oscillating flow
Pressure gradient
Pipe
Flow rate
Fluids
8 Citations (Scopus)

Quasifree knockout in O16(p,2p)15N at an incident energy of 151 MeV

Cowley, A. A., Lawrie, J. J., Hillhouse, G. C., Whittal, D. M., Förtsch, S. V., Pilcher, J. V., Smit, F. D. & Roos, P. G., Jan 1 1991, In : Physical Review C. 44, 1, p. 329-335 7 p.

Research output: Contribution to journalArticle

nuclear structure
approximation
factorization
impulses
ground state
9 Citations (Scopus)

Room-temperature interaction of ultrathin-film yttrium with SrTiO3(100), LaAlO3(100), and MgO(100) surfaces

Andersen, J. E. T. & Møller, P. J., Jan 1 1991, In : Physical Review B. 44, 24, p. 13645-13654 10 p.

Research output: Contribution to journalArticle

yttrium
room temperature
interactions
oxidation
ultraviolet spectroscopy
9 Citations (Scopus)

Stochastic analysis of monthly streamflows

Lungu, E. M. & Sefe, F. T. K., Jan 1 1991, In : Journal of Hydrology. 126, 3-4, p. 171-182 12 p.

Research output: Contribution to journalArticle

streamflow
runoff
persistence
catchment
analysis
1 Citation (Scopus)

The current status and plant ecology of disused railway lines in north Tyneside

Mitchell, D. N. & Cooke, J. A., Jan 1 1991, In : Transactions - Natural History Society of Northumbria. 55, 4, p. 273-282 10 p.

Research output: Contribution to journalArticle

railway
conservation management
habitat
coal
resource
14 Citations (Scopus)

Viscoelastic swirling flow with free surface in cylindrical chambers

Siginer, A., 1991, In : Rheologica Acta. 30, 2, p. 159-174 16 p.

Research output: Contribution to journalArticle

cylindrical chambers
Swirling flow
swirling
rheometers
Rheometers
1990
2 Citations (Scopus)

A global existence result for quasi-linear parabolic equations

McLeod, K. & Milani, A., Jan 1 1990, In : Communications in Partial Differential Equations. 15, 4, p. 557-594 38 p.

Research output: Contribution to journalArticle

35 Citations (Scopus)

Distribution of antimony in contaminated grassland: 2- small mammals and invertebrates

Ainsworth, N., Cooke, J. A. & Johnson, M. S., Jan 1 1990, In : Environmental Pollution. 65, 1, p. 79-87 9 p.

Research output: Contribution to journalArticle

Antimony
Mammals
Invertebrates
Bioaccumulation
Food Chain
87 Citations (Scopus)

Distribution of antimony in contaminated grassland: 1- vegetation and soils

Ainsworth, N., Cooke, J. A. & Johnson, M. S., Jan 1 1990, In : Environmental Pollution. 65, 1, p. 65-77 13 p.

Research output: Contribution to journalArticle

Antimony
Soil
Soils
Bryophyta
Poaceae
4 Citations (Scopus)

High absorptance and low emittance AR-coated Ni-Al2O3solar absorbers

Sathiaraj, T. S., Thangaraj, R. & Agnihotri, O. P., Feb 14 1990, In : Journal of Physics D: Applied Physics. 23, 2, p. 250-254 5 p.

Research output: Contribution to journalArticle

absorptance
emittance
Nickel
absorbers
nickel
32 Citations (Scopus)

Impurity-induced 900 °C (2×2) surface reconstruction of SrTiO3(100)

Andersen, J. E. T. & Møller, P. J., Dec 1 1990, In : Applied Physics Letters. 56, 19, p. 1847-1849 3 p.

Research output: Contribution to journalArticle

impurities
calcium
Auger spectroscopy
electron spectroscopy
annealing
77 Citations (Scopus)

Lead, zinc, cadmium and fluoride in small mammals from contaminated grassland established on fluorspar tailings

Cooke, J. A., Andrews, S. M. & Johnson, M. S., May 1 1990, In : Water, Air, and Soil Pollution. 51, 1-2, p. 43-54 12 p.

Research output: Contribution to journalArticle

Mammals
Fluorspar
Tailings
fluorite
small mammal