Multisite Search
http://natural-sciences.nwu.ac.za/scs/manuals/roc-analysis
Manual for ROC analyses
2017-03-06 Manual for ROC analyses Preface This guide, which leans heavily on the book of Krzanowski & Hand (2009), was written in an attempt to make it easier for the researcher to understand the theory behind and methods of ROC analyses. It is…http://natural-sciences.nwu.ac.za/scs/manuals/roc-analysis/manual
ROC-analysis Manual
2017-03-06 List of contents Using ROC-analysis to determine good screening tests based on continuous variables 1. Sensitivity, Specificity and Predicted values 2. The ROC–curve 3. Properties of the ROC-curve 4. Area Under the ROC-curve (AUC…http://natural-sciences.nwu.ac.za/scs/contact-us
Contact Us
2026-02-06 To request assistance from one of our consultants, please follow our centralised process by clicking on the image below: See contact information below for general or financial queries: Postal…http://natural-sciences.nwu.ac.za/eco-analytica
About Us
2024-02-20 Welcome to the Eco-Analytica Laboratory - For Soil, Plant and Water analysis Eco Analytica is equipped with modern facilities and operated by well-trained staff. Our analyses are frequently subjected to quality control schemes from Wageningen and…http://natural-sciences.nwu.ac.za/eco-analytical-laboratory/contact-us
Contact Us
2024-02-26 Eco-Analytica laboratory Building G23A, Ground floor 11 Hoffman street, Potchefstroom 2531 Terina Vermeulen terina.vermeulen@nwu.ac.za 018 – 285 2733 Office G23 Zukile Dyolisi zukile.dyolisi@nwu.ac.za 018 – 285 2031 Office G13 …http://natural-sciences.nwu.ac.za/space-research/about-us
About us (Directors Message)
2016-11-28 Director’s message The mission of the Centre for Space Research (CSR) is to conduct research and training in astronomy, astrophysics and space science…http://natural-sciences.nwu.ac.za/space-research/outreach
Outreach
2017-07-21 Astronomy for Schools…http://natural-sciences.nwu.ac.za/space-research/image-gallery
Image Gallery
2016-11-29 Group Photos: …http://natural-sciences.nwu.ac.za/crb/research-groups/membrane-technology/publication-and-patents
Membrane Technology: Publications and Patents
2017-08-31 Publications: • P.G. Randall, H.M. Krieg & A.E.J. McGill, 1992. Calibration comparison between South African and Federal Grain Inspections services and European calibrations. South African Journal of Food Science and…http://natural-sciences.nwu.ac.za/crb/research-groups/eee
Electrochemistry for Energy & Environment
2018-04-10 Research Focus Our current research focus includes investigating (i) vapour deposited thin metal films, nanoparticle metal oxide materials, and perovskite type materials for their electrocatalytic activity towards the oxygen evolution reaction (OER)…http://natural-sciences.nwu.ac.za/crb/research-groups/eee/group-leader
Group Leader: Electrochemistry for Energy & Environment
2018-04-03 Prof R.J. (Cobus) Kriek Prof Kriek obtained his MSc in Chemistry on the ‘Separation of Pt(IV), Pd(II) and Rh(III) by means of Differential Photocatalytic Reduction’ in 1994, and his PhD in Chemistry on the ‘Separation of…http://natural-sciences.nwu.ac.za/crb/research-groups/eee/background
Background: Electrochemistry for Energy & Environment
2018-04-10 Background Our research focus includes investigating (i) vapour deposited thin metal films, nanoparticle metal oxide materials, and perovskite type materials for their electrocatalytic activity towards the oxygen evolution reaction (OER) in alkaline…http://natural-sciences.nwu.ac.za/crb/research-groups/eee/research-equipment
Research Equipment: Electrochemistry for Energy & Environment
2018-04-10 Research Equipment Electrochemistry Custom-made combinatorial physical vapour deposition apparatus from PVD Products (USA) for the synthesis of 64 electrocatalysts employing up to four different magnetrons. …http://natural-sciences.nwu.ac.za/crb/research-groups/platinum-group-metals/postgraduate-students
Postgraduate Students: Platinum Group Metals
2017-01-19 PhD Students Neels le Roux Speciation of palladium (Pd) with CN-, OCN- and SCN- - a spectrophotometric investigation …http://natural-sciences.nwu.ac.za/scs/effect
Manual
2018-01-29 Table of contents PREFACE (Download document) CHAPTER 1. Introduction and Background (Download document) 1.1 Practical significance 1.2 When are effect size indices necessary? 1.3 Requirements for good effect size…http://natural-sciences.nwu.ac.za/scs/services-and-tariffs
Services and Tariffs
2017-09-05 Services The Statistical Consultation Services of the Potchefstroom Campus of North-West University, which service has been in existence since 1980, can render the required statistical assistance in: • Statistical planning and…http://natural-sciences.nwu.ac.za/scs/services-and-tariffs/nwu-campuses
Tariffs - NWU Campuses
2017-03-06 Type of service 2017 Tariffs 1. Statistical planning and interpretation of results, editing of thesis and dissertations…http://natural-sciences.nwu.ac.za/scs/services-and-tariffs/other