Havenga, Jan H.Simpson, ZaneFourie, Pieter F.De Bod, Anneke(AOSIS OpenJournals, 2011-11)
Due to the rapid deregulation of freight transport in South Africa two decades ago,
and low historical investment in rail (with resultant poor service delivery), an integrated
alternative to road and rail competition was ...
Despite two decades of visionary policies, problems within South Africa’s freight
logistics system remain. Logistics costs are high, the current road and rail solutions
will be unable to meet long-term demand for freight ...
Havenga, Jan H.Van Eeden, Joubert(AOSIS OpenJournals, 2011-11)
The most common approach used internationally for forecasting international trade
containers is models based on the correlation between container trade and economic
growth. While the strong historical correlation is ...
Die prosesse van ont-kerkliking wat tans in hoofstroomkerke dwarsoor die wêreld plaasvind, bied vele uitdagings vir die onderrig van leierskap en administrasie by universiteite se teologie-fakulteite. Die probleem is dat ...
Light, Marnie E.Burger, B. V.Staerk, DanKohout, LadislavVan Staden, Johannes(2010)
Smoke plays an intriguing role in promoting the germination of seeds of many species following a fire. Recently, a
bicyclic compound containing a condensed butenolide moiety, 3-methyl-2H-furo[2,3-c]pyran-2-one (1), was ...
Burger, B. V.Snyman, TertiaBurger, Wina J.G.Van Rooyen, Willie F.(2003)
Segmented thermal modulators were fabricated for the modulation of column effluent
in one-dimensional gas chromatography, comprehensive two-dimensional gas chromatography,
and as sample introduction devices in other ...
Fellowing the observation that the non-ball-rolling dung beetle Pachylomerus femoralis
(Kirby) rolled the flesh-covered seeds from the fruit of the spineless monkey orange tree,
Strychnos madagascariensis Poiret, an ...
Gel electrophoresis of the white f1occulcnt pheromone disseminating secretions produced by
males of the three dung beetle species, Kheper fumarcki, K. nigroacneus and K. suhaeneus, revealed
that three different proteins ...
Burger, B. V.Smit, D.Spies, H. S. CSchmidt, C.Schmidt, U.Telitsina, A. Y.(2001)
As a first step in a study of the role of the secretion of the supplementary
sacculi (buccal secretion) of the dwarf hamster, Phodopus sungorus sungorus,
almost complete chemical characterization of the secretion was ...
Burger, B. V.Le Roux, MarithaSpies, H. S. CTrutor, VeronaBigalke, R. C.(1978)
The secretions produced by the cutaneous glands of mammals are generally
considered to be involved in conspecific chemical communication, acting as pheromones.
From a review of mammalian chemical ecology it appears that, ...
Burger, B. V.Le Roux, MarithaBurger, Wina J. G.(1990)
The development by Grab and Habaich of a headspace
analytical technique which organic volatiles are trapped in
short capillary traps coated with a layer of fine activated charcoal
particles (COTs) or a layer of a suitable ...
Burger, B. V.Reiter, B.Borzyk, O.Du Plessis, M. A.(2004-08)
Using gas chromatography–mass spectrometry in conjunction with
auxiliary techniques such as solid phase microextraction and determination of
double bond positions by means of dimethyl disulfide derivatization, 45 ...
Karsten, MinetteJansen van Vuuren, BettineBarnaud, Adeline(2013-01-16)
The invasive Mediterranean fruit fly (medfly), Ceratitis capitata, is one of the major agricultural and economical pests
globally. Understanding invasion risk and mitigation of medfly in agricultural landscapes requires ...