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Now showing items 221-240 of 510

Hydrolysis of 4-nitrophenyl phosphate in microemulsions assisted by polymetallic complexes: A bio-mimetic model for decontamination of organophosphate pollutants

Tafesse F. (2005)

The hydrolysis of 4-nitrophenyl phosphate (NPP) in the presence of several metal ions and polymetallic complexes in oil-in-water microemulsion was investigated at 10-3 M concentration. The reaction was monitored by measuring ...
Research strategy: One goal, two discourses

Terre Blance M.J. Szabo C.P. (2005)

[No abstract available]
Largest family without A ∪ B ⊆ C ∩ D

De Bonis A. Katona G.O.H. Swanepoel K.J. (2005)

Let F be a family of subsets of an n-element set not containing four distinct members such that A ∪ B ⊆ C ∩ D. It is proved that the maximum size of F under this condition is equal to the sum of the two largest binomial ...
On weak convergence of iterates in quantum Lp-spaces (p ≥ 1)

Grabarnik G.Ya. Katz A.A. Shwartz L. (2005)

Equivalent conditions are obtained for weak convergence of iterates of positive contractions in the L1-spaces for general von Neumann algebra and general JBW algebras, as well as for Segal-Dixmier Lp-spaces (1 ≤ p < ∞) ...
An asymptotic result for the Path Partition Conjecture

Frick M. Schiermeyer I. (2005)

The detour order of a graph G, denoted by τ (G), is the order of a longest path in G. A partition of the vertex set of G into two sets, A and B, such that τ((A)) ≤ a and τ(〈B〉) ≤ b is called an (a, b)-partition of G. If G ...
Preface

Zawada B. (2005)

[No abstract available]
Engineering RESTful semantic services on the fly

Mtsweni J. Biermann E. Pretorius, Laurette (2011)

Real-world implementations of semantic services that could enable seamless integration of heterogeneous systems on the fly are deficient. This could be attributed to the complexity of heavy-weight semantic technologies, ...
Diffusion of interstitial muonium, MuT, in a 13C diamond

Gxawu D. MacHi I.Z. Connell S.H. Bharuth-Ram K. Sithole M.J. Cox S.F.J. (2005)

We report on the motional behavior of the tetrahedral interstitial muonium (MuT) the chemical analogue, and light isotope of neutral atomic hydrogen, in a 90% enriched 13C diamond. Muonium forms after implantation of ...
Epidemiology of suicide in Brazil (1980-2000): Characterization of age and gender rates of suicide

De Mello-Santos C. Bertolote J.M. Wang Y.-P. (2005)

Objective: To describe the suicide rates in Brazil in recent decades, drawing comparisons with the worldwide epidemiological situation. Methods: Descriptive analyses of Brazilian suicide data, relating to the 1980-2000 ...
Combining reliability coefficients: Toward reliability generalization of the conceptions of mathematics questionnaire

Mji A. Alkhateeb H.M. (2005)

The combined coefficient alpha from studies reporting the reliability of scores using the Conceptions of Mathematics Questionnaire were computed. Five studies comprising 898 participants were evaluated. A test of differences ...
Facilitating phenomenological interviewing by means of reflexology.

Ross E. Schulze S. van Niekerk M.P. (2005)

The aim of this article is to show how reflexology could facilitate phenomenological interviewing by probing the life-world of individual participants. It presents a hybrid study of phenomenological interviewing and ...
Nigerian undergraduate education majors' Conceptions of Mathematics

Arigbabu, A.A. Mji A. (2005)

The Conceptions of Mathematics Questionnaire by Crawford, et al. was administered to 130 southwest Nigerian undergraduate education majors who took mathematics. Coefficient as of .86 and .84 for the Fragmented and Cohesive ...
The Socio-Educational Context of Literacy Accomplishment in Disadvantaged Schools: Lessons for Reading in the Early Primary School Years

Pretorius E.J. Machet M.P. (2004)

[No abstract available]
The multi-disciplinary landscape of mid-late upper pleistocene archaeology

Parsons I. Lombard M. (2011)

[No abstract available]
Getting the Big Picture: Regulating Knowledge in the Early Childhood Literacy Curriculum

Comber B. Nichols S. (2004)

[No abstract available]
HIV/AIDS symptom management in Southern Africa

Sukati N.A. Mndebele S.C. Makoa E.T. Ramukumba T.S. Makoae L.N. Seboni N.M. Human, S.P. Holzemer W.L. (2005)

We describe self-reported strategies used by persons living with HIV/AIDS in Botswana, Lesotho, South Africa, and Swaziland to manage common HIV-related symptoms. A questionnaire asked participants to list three to six ...
Shakespeare in Afrikaans: A Corpus-Based Study of Involvement in Different Registers of Drama Translation

Kruger A. (2004)

[No abstract available]
Suicide mortality in South Africa: A city-level comparison across socio-demographic groups

Burrows S. Laflamme L. (2006)

Background: South Africa offers a valuable study environment to assess the impact of political and social changes on health. Increasing urbanisation has led to a focus on city development and its effect on its residents. ...
Strategies for teaching end-user computing to learners with attention deficit hyperactivity disorder

Pilkington C. Naude E. (2005)

The shift to an information-based economy requires workers to have technical skills essential to the performance of their jobs. Computer literacy has become an essential requirement. Workplace use of computers involves ...
Palladium in GaN: A 4d metal ordering ferromagnetically in a semiconductor

Osuch K. Lombardi E.B. Adamowicz L. (2005)

It is shown that a 4d metal (palladium) orders ferromagnetically in GaN, forming a dilute magnetic semiconductor. The ferromagnetic ordering occurs despite Pd being nonmagnetic in its natural phase. Pd0.0625 Ga0.9375 N is ...

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