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Now showing items 1428-1447 of 8556
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(Academy of Science South Africa, 2004-01)Invasive alien species can have significant negative environmental and economic impacts. Such species are often controlled biologically by means of introducing host-specific insects or pathogens that can reduce the species' ...
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(Elsevier, 2013-11)In a previous paper (Nahman et al., 2012), the authors estimated the costs of household food waste in South Africa, based on the market value of the wasted food, as well as the costs of disposal to landfill. In this paper, ...
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(2013-09)We estimate the costs of food waste throughout the entire food value chain, from agricultural production through to consumption at the household level, in economic terms. First, food waste at each stage of the value chain ...
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(Elsevier Ltd, 2015-06)The economic, social and environmental costs of food waste are being increasingly recognised. Food waste consists of both edible and inedible components. Whilst wastage of edible food is problematic for obvious reasons, ...
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(Elsevier, 2012-11)Food waste is problematic for a number of reasons, including the loss of a potentially valuable food source or resource for use in other processes (e.g. energy generation or composting), wasted resources and emissions in ...
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(Elsevier, 2012-08)Mesquite (Prosopis species) were introduced to South Africa to provide fodder and shade for livestock, but some have become invasive, impacting on water and grazing resources. Mesquite’s net economic effects are unclear ...
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(SPIE, 2017-01)Human immunodeficiency virus (HIV-1) infection remains a major health problem despite the use of highly active antiretroviral therapy (HAART), which has greatly reduced mortality rates. Due to the unavailability of an ...
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(Africa Green Media, 2015-02)South African agriculture is dominated by the large scale commercial sector. However, the government of South Africa recognises the potential role of small scale farming in the economy of the country and in job creation. ...
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(2017-07)In South Africa, a team of analysts has for some years been using statistical techniques to predict election outcomes during election nights in South Africa. The prediction method involves using statistical clusters based ...
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(American Real Estate Society, 2010)This paper analyzes the ability of a random walk and, classical and Bayesian versions of autoregressive, vector autoregressive and vector error correction models in forecasting home sales for the four US census regions ...
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(Elsevier, 2009)This paper develops large-scale Bayesian Vector Autoregressive (BVAR) models, based on 268 quarterly series, for forecasting annualized real house price growth rates for large-, medium- and small-middle-segment housing for ...
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(CSIR. Defence Peace Safety and Security, 2010-10)Cyberterrorism addresses the convergence of the fear-causing world of terrorism with the abstract realm of cyberspace, computers and networks. While cyberterrorism can be executed using various technical security exploits, ...
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(Elsevier, 2013-09)Population and development pressures increase the need for proactive strategic management on a regional or country-wide scale - reactively protecting ecosystems on an estuary-by-estuary basis against multiple pressures is ...
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(Technomic Publishing Company Inc., 1996-01)Coupled electromechanical equations of motion, describing the dynamics of a vibrating cylinder gyroscope, are derived using Hamilton's principle and the Rayleigh-Ritz method. The vibrating cylinder gyroscope comprises a ...
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(IEEE Africon 2011, 2011-09)Link adaptation provides an efficient and flexible strategy to adapt transmission rates based on channel conditions. To attain distributed optimal local and global utility, network interference need to be mitigated therein ...
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(Optical Society of America, 2014-10)We have demonstrated simultaneous laser frequency stabilization of a UV and IR laser, to coupled transitions of ions in the same spectroscopic sample, by detecting only the absorption of the UV laser. Separate signals for ...
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(International Association of Engineers (IAENG), 2017-03)Many physics problems can only be studied by coupling various numerical codes, each modeling a subaspect of the physics problem that is addressed. Often, each of these codes needs to be considered as a black box, either ...
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(2000-11)One of the findings of SIMRAC Project GAP 520 dated March 1999 ('Investigate safety of rail vehicles and systems operating in South African gold mines') was that about 20% of accidents involving locomotives and rolling ...
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(CSSALL Publishers, 2011)The advent of the Internet and the World Wide Web has revolutionised practices in business, government, health, and education amongst others. In education, the Internet and World Wide Web opened new doors for teaching and ...
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(Elsevier, 2010-08)In this paper, the proton exchange membrane prepared by covalent-ionically crosslinking water soluble sulfonated-sulfinated poly(oxa-p-phenylene-3,3-phthalido-pphenylene- oxa-p-phenylene-oxy-phenylene) (SsPEEK-WC) is ...
Now showing items 1428-1447 of 8556
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