Search Results - "Villiers, P A"

TOUR CONSTRUCTION HEURISTICS FOR AN ORDER SEQUENCING PROBLEM by De Villiers, AP, Matthews, J, Visagie, SE

“…An order picking system that requires pickers to move in a clockwise direction around a picking line with fixed locations is considered. The problem is divided…”
Get full text

The cost of edge removal in graph domination by de Villiers, A. P.

“…A vertex set D of a graph G is a dominating set of G if each vertex of G is a member of D or is adjacent to a member of D. The domination number of G, denoted…”
Get full text

Metaheuristic approaches to order sequencing on a unidirectional picking line by De Villiers, AP, Matthews, J, Visagie, SE

“…In this paper the sequencing of orders on a unidirectional picking line is considered. The aim of the order sequencing is to minimise the number of cycles…”
Get full text

A linear algorithm for secure domination in trees by Burger, A.P., de Villiers, A.P., van Vuuren, J.H.

“…A subset X of the vertex set of a graph G is a secure dominating set of G if X is a dominating set of G and if, for each vertex u not in X, there is a…”
Get full text

SOUTH AFRICAN EDUCATION: A PRINCIPAL-AGENT PROBLEM by Villiers, A.P. de

Get full text

On minimum secure dominating sets of graphs by Burger, A.P., de Villiers, A.P., van Vuuren, J.H.

“…A subset X of the vertex set of a graph G is a secure dominating set of G if X is a dominating set of G and if, for each vertex u not in X, there is a…”
Get full text

Edge criticality in secure graph domination by Burger, A.P., de Villiers, A.P., van Vuuren, J.H.

“…A subset X of the vertex set of a graph G is a secure dominating set of G if X is a dominating set of G and if, for each vertex u not in X, there is a…”
Get full text

The influence of the major histocompatibility complex on liver allograft survival in the pig by Vailman, M, Bacourt, F, Villiers, P A, Garnier, H

Get more information

Home range, association and related aspects of elephants in the eastern Transvaal Lowveld by DE VILLIERS, P.A, KOK, O.B

“…Home range and association patterns of elephants Loxodonta africana in private nature reserves adjacent to the Kruger National Park, South Africa, were…”
Get full text

Research on the therapeutics of intense abdominal irradiations in pigs by Daburon, F, Villiers, P.A, Fagniez, P.L, Hay,J.M, Tricaud, Y, Bourhoven, D

Get full text

Experimental treatment of pigs irradiated on the abdomen with supralethal doses. First results by Daburon, F, Chomette, C, Garnier, H, Remy, J, Villiers, P A, Nizza, P

Get more information

Allograft tolerance in pigs after fractionated lymphoid irradiation. I. Skin grafts after partial lateral irradiation and bone marrow cell grafting by Vaiman, M, Daburon, F, Remy, J, Villiers, P A, de Riberolles, C, Lecompte, Y, Mahouy, G, Fradelizi, D

Get more information

A cross-sectional study of the acquisition of grammatical morphemes in child speech by de Villiers, J G, de Villiers, P A

“…Speech samples were taken from 21 children aged 16-40 months covering a wide range of mean utterance length. Presence or absence of 14 grammatical morphemes in…”
Get full text

The concentration of lactate in relation to other components of bovine mammary secretion during premature regression and after resumption of milking by Mackie, R I, Giesecke, W H, Lück, H, De Villiers, P A

Get more information

Measurement and verification methodology for an industrial waste heat recovery project in the mining industry by De Villiers, P. A., Grobler, L. J.

“…A typical mine has a large workforce that does the physical labour of mining gold and these workers need to cleanse themselves and their apparel after each…”
Get full text

Development of the use of word order in comprehension by de Villiers, J G, de Villiers, P A

“…Thirty-three children aged between 19 and 38 months were presented with six reversible active and six reversible passive sentences and were required to act…”
Get full text

Measurement and verification methodology for an energy efficiency improvement on the cooling auxiliary equipment in the mining industry by De Villiers, P. A., Grobler, L. J.

“…Cooling auxiliary equipment at a mine uses excess electrical energy and contributes to the high demand of electricity in South-Africa. By implementing Energy…”
Get full text

The law of effect and avoidance: a quantitative relationship between response rate and shock-frequency reduction by De Villiers, P A

“…Two experiments were conducted to investigate the quantitative relationship between response rate and reinforcement frequency in single and multiple…”
Get full text

Early judgments of semantic and syntactic acceptability by children by de Villiers, P A, de Villiers, J G

“…Judgments of the acceptability of correct, word order reversed, and semantically anomalous sentences were elicited from 2- and 3-year-old children in a game…”
Get full text

Measurement and Verification methodology, challenges and lessons learned of M&V on commercial heat pumps by de Bod, A., Grobler, L. J., de Villiers, P. A.

“…Industrial and commercial electrical boilers usually found in hotels, restaurants, etc in South-Africa are used to heat water for sanitary and cleaning…”
Get full text