29   Artículos

 
en línea
Okuhle Mndi, Avela Sogoni, Muhali Olaide Jimoh, Carolyn Margaret Wilmot, Fanie Rautenbach and Charles Petrus Laubscher    
Halophytes such as ice plants are concurrently subjected to salt and drought stresses in their natural habitats, but our knowledge about the effects of combined stress on plants is limited. In this study, the individual and combined effects of salinity a... ver más
Revista: Agriculture    Formato: Electrónico

 
en línea
Dillon O?Reilly, Georg Herdrich, Felix Schäfer, Christoph Montag, Simon P. Worden, Peter Meaney and Darren F. Kavanagh    
Pulsed plasma thrusters (PPT) have demonstrated enormous potential since the 1960s. One major shortcoming is their low thrust efficiency, typically <30%. Most of these losses are due to joule heating, while some can be attributed to poor efficiency of th... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Petrus Machethe, Emeka Obioha, Jacob Mofokeng     Pág. 209 - 220

 
en línea
Ryan Dieter Lang and Andries Petrus Engelbrecht    
The choice of which objective functions, or benchmark problems, should be used to test an optimization algorithm is a crucial part of the algorithm selection framework. Benchmark suites that are often used in the literature have been shown to exhibit poo... ver más
Revista: Algorithms    Formato: Electrónico

 
en línea
Hryhorii Ilchuk,Andrii Kashuba,Ivan Kuno,Sergey Sveleba,Taras Malyi,Roman Petrus,Volodymyr Tsiumra,Ihor Semkiv     Pág. 24 - 30
Monocrystals (N(CH3)4)2MnCl4 were grown from an aqueous solution of salts by slow evaporation at room temperature. The effect of phase transitions on the behavior of photoluminescence spectra, as well as excitation spectra and time of attenuation of the ... ver más
Revista: Eastern-European Journal of Enterprise Technologies    Formato: Electrónico

 
en línea
Frans Thomas Ignatius Marx, Daniel Petrus Otto, Christo de Lange, Johannes Hendrik Lodewikus Jordaan, Hermanus Cornelius Moolman Vosloo    
Sedert die ontdekking van die ruteniumbevattende prekatalisatore, Grubbs 1 (1) en Grubbs 2 (2), is ?n toename in die ontwikkeling van soortgelyke prekatalisatore getoon. Daar is egter nie met die karakterisering van die prekatalisatore met behu... ver más
Revista: South African Journal of Science and Technology    Formato: Electrónico

 
en línea
Marina Sampaio Slussarek Tateoka, Juliana Marques Schöntag, José Carlos Cunha Petrus, Mauricio Luiz Sens     Pág. e30756
Membranes processes, in particular, nanofiltration and reverse osmosis, represent an important alternative for treatment of contaminated waters. In this context, the present study aims to evaluate the efficiency of the removal of the carbamates: carbaryl... ver más
Revista: Acta Scientiarum: Technology    Formato: Electrónico

 
en línea
Edidiong D. Asuquo, Alastair D. Martin and Petrus Nzerem    
An agricultural residue, white yam (Dioscorea rotundata) tuber peel (YTBS), was used for the removal of Cd(II) ion from an aqueous solution using a batch method. The adsorbent was characterized using FTIR, TGA, SEM, EDX, N2 BET, XRD, and XRF. The optimiz... ver más
Revista: ChemEngineering    Formato: Electrónico

 
en línea
Petrus van der waerden, Harry Timmermans, Marloes de Bruin-Verhoeven    
In this paper the relationship between car drivers? personal and trip characteristics and the maximum distance car drivers are willing to walk between a parking facility and the final destination(s) will be discussed. The willingness to walk is investiga... ver más
Revista: Journal of Transport and Land Use    Formato: Electrónico

 
en línea
Hendrik J. van Heerden, Petrus J. Meintjes     Pág. 1 bladsy
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Revista: South African Journal of Science and Technology    Formato: Electrónico

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