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Now showing items 1543-1562 of 2172
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Predicting the flexural behaviour of masonry wall panels: a review of current methods
(Faculty of Engineering and Technology, University of Botswana, www.ub.bw, 2011-04)The paper aims to compare predictions by different methods of analysis of the lateral load capacity of unreinforced masonry walls, and to determine whether a relationship can be drawn between theory and experiments. Several ... -
Prediction of animal population dynamics with a focus on smallholder pig breeding establishments
(University of Botswana, www.ub.bw, 2013-09-12)Botswana government has made efforts to diversify agriculture and pig production has been identified as one avenue to achieve this diversification in the livestock industry. It is important that farmers are encouraged to ... -
Predictors of food variety and dietary diversity among older persons in Botswana
(Elsevier; www.elsevier.com/locate/nut, 2005)Objective: We investigated whether food variety and diversity are associated with physical and cognitive functioning in older adults in Botswana and designed a simple set of screening questions that predict food variety ... -
Predictors of knowledge about HIV/AIDS among young people: Lessons from Botswana
(Academic Journals: http://www.academicjournals.org/, 2010)This study sought to identify factors that can predict knowledge about HIV/AIDS among adolescents in Botswana. The data were collected through a self administered questionnaire from a sample of 1294 students from schools ... -
Predictors of knowledge-sharing behaviors among community based natural resources organisations in the Okavango Delta, Botswana
(Sage, www.sage.com, 2013-01-23)The study investigated the relative contribution of selected predictors of knowledge-sharing behaviors among local community leaders involved in natural resources management programs within the Okavango Delta, Botswana. ... -
Predictors of smoking among primary and secondary school students in Botswana
(Public Library of Science, www.plos.org/, 2017-04-17)This study seeks to determine the prevalence and risk factors for smoking among students aged 12±18 years in two cities in Botswana. Using a sample of 2554 students we adapted the Global Youth Tobacco Survey (GYTS) methodology ... -
Preliminary land-use and land-cover mapping in the upper Okavango basin and implications for the Okavango delta
(Botswana Society, 2005)Image processing in the upper Okavango catchment resulted in ten generalised classes which may be used as base line data for monitoring future overall land-use/cover change assessments over the entire upper catchment. ... -
A preliminary survey and analysis of the spatial distribution of aquatic invertebrates in the Okavango Delta, Botswana
(African Journal of Aquatic Science http://www.nisc.co.za/journals?id=2, 2006)The spatial distribution of aquatic macroinvertebrates in the Okavango River Delta, Botswana, was investigated during the low-water period in February 2003. This complements an earlier study undertaken during high-water ... -
Prelude: reflections on the international ethics conference in December, 2009
(SRA International Publications, http://www.srainternational.org, 2010)This prelude reflects upon the international ethics conference that was held from December 6-9, 2009, at the University of Botswana in Gaborone, Botswana. Seeking international partners and then forging mutually viable ... -
Prenylated arylbenzofuran derivatives from Morus mesozygia with antioxidant activity
(Elsevier Ltd. www.elsevier.com/locate/phytochem, 2008)Five prenylated arylbenzofurans, moracins Q–U, were isolated from Morus mesozygia (Moraceae). Their structures were elucidated on the basis of spectroscopic evidence. Along with these compounds, 3b-acetoxyurs- 12-en-11-one, ... -
Prenylated chalcones, flavone and other constituents of the twigs of Dorstenia angusticornis and Dorstenia barteri var. subtriangularis
(Elsevier Ltd. www.elsevier.com/locate/phytochem, 2004)The twigs of Dorstenia angusticornis and Dorstenia barteri var. subtriangularis yielded 16 compounds. Two novel diprenylated chalcones: 3,50-di-(2-hydroxy-3-methylbut-3-enyl)-4,20,40-trihydroxychalcone, 3, 4-(2,2-dimeth ... -
Prenylated flavonoids and other constituents from the twigs of Dorstenia angusticornis (Moraceae)*
(Elsevier Ltd. www.elsevier.com/locate/biochemsyseco, 2005-06-18)Dorstenia (Moraceae) is a mainly tropical genus of some 170 species (Mabberley, 1987). There are 23 species in Cameroon where a decoction of the leaves is administered for the treatment of cough, headache and stomach ... -
Prenylated flavonoids, monoterpenoid furanocoumarins and other constituents from the twigs of Dorstenia elliptica (Moraceae)
(Elsevier Ltd. www.elsevier.com/locate/phytochem, 2003)A monoprenylated flavan and two monoterpenoid substituted furanocoumarins were isolated from the twigs of Dorstenia elliptica along with 3-(3,3-dimethylallyl)-4,20,40-trihydroxylchalcone, psoralen, bergapten, O-[3-(2,2- ... -
Presenting signs of retinoblastoma at a tertiary level teaching hospital in Ethiopia
(African Field Epidemiology Network,http://www.afenet.net/, 2017-09-22)Introduction: Retinoblastoma is a primary malignant intraocular neoplasm that arise from immature retinoblasts with in developing retina. The commonest presenting sign in developing country is proptosis which is the late ... -
Preservation and management of audiovisual archives in Botswana
(Archlib and Information Services, http:www.hwwilson.com/journals; http://www.ajol.info, 2010)This paper reviews the state of the audio-visual collections held by different government institutions in Botswana. The rationale of such review rests on the observation that although audiovisual materials constitute a ... -
President Festus Mogae, University of Botswana academics and public discourse in Botswana, 1998-2008
(University of Botswana, www.ub.bw, 2017-04-25)This piece fills an important gap in the literature of Botswana by providing a survey of issues which were highly topical in the public domain in Botswana at the turn of the twenty first century and the contribution by ... -
The presidentialization of Botswana’s Parliamentary Democracy
(University of Botswana, www.ub.bw, 2016-02)Botswana attained independence from the British in 1966, adopting a parliamentary system of government similar to the Westminster model. However over the years, the country undertook a gradual shift from parliamentary ... -
Pressurized hot water extraction coupled to molecularly imprinted polymers for simultaneous extraction and clean-up of pesticides residues in edible and medicinal plants of the Okavango Delta, Botswana
(De Gruyter, http://www.degruyter.com/, 2013-10-08)In this study, an in-cell extraction and clean-up approach, employing pressurized hot water extraction (PHWE) coupled to a molecularly imprinted polymer (MIP) is proposed. The selectivity of PHWE was improved through the ... -
Prevalence and determinants of metabolic syndrome: a cross-sectional survey of general medical outpatient clinics using National Cholesterol Education Program-Adult Treatment Panel III criteria in Botswana
(Dove Medical Press, https://www.dovepress.com, 2016)Background: Low- and middle-income countries, including Botswana, are facing rising prevalence of obesity and obesity-related cardiometabolic complications. Very little information is known about clustering of cardiovascular ... -
Prevalence and determinants of metabolic syndrome: a cross-sectional survey of general medical outpatient clinics using National Cholesterol Education Program-Adult Treatment Panel III criteria in Botswana.
(Dove Medical Press, https://www.dovepress.com/, 2016-08-30)Background: Low- and middle-income countries, including Botswana, are facing rising prevalence of obesity and obesity-related cardiometabolic complications. Very little information is known about clustering of cardiovascular ...