Browsing Research Output by Title
Now showing items 3872-3891 of 13364
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Effect of penetration modifiers on the dermal and transdermal delivery of drugs and cosmetic active ingredients
(Karger, 2008)In this study the effect of 2 penetration modifiers, dimethyl isosorbide (DMI) and diethylene glycol monoethyl ether (DGME) on the skin delivery of hydroquinone (HQ), salicylic acid (SA) and octadecenedioic acid (DIOIC) ... -
Effect of phosphorus and calcium supplementation on goat performance communally grazed in a semi-arid area of RSA
(WFL Publisher, 2017)This research was conducted at the Molelwane Farm, in the Department of Animal Health, North West University, Mafikeng Campus, North West Province, RSA. Mafikeng city is located at 25°52’S and 25°38’E. In this study, a ... -
Effect of pit-composting on root-knot nematode (Meloidogyne incognita and M. javanica) population densities and yield of tomato under field conditions
(Taylor & Francis, 2020)Soil amendments, constituting of various plant and animal sources, were evaluated in pits for their effects on Meloidogyne spp. infecting tomato in comparison to the synthetic nematicide fenamiphos and the untreated control. ... -
Effect of political risk shocks on tourism revenue in South Africa: time series analysis
(The Social Sciences Research Society, 2016)Although political risk has an impact on all types of businesses, political risk affects tourism business performance in terms of tourist arrivals and tourism revenue because tourists are very sensitive to political risk ... -
Effect of pre-treatment and preservation methods on the nutritional quality of bitter gourd leaves from two different sources
(Gaurav Society of Aric, 2017)The effects of pre-treatment and preservation methods on the mineral composition and nutritional quality of bitter gourd leaves harvested from the wild and around homestead were investigated. The pre-treatments consisted ... -
The effect of presenteeism-related health conditions on employee work engagement levels: a comparison between groups
(AOSIS, 2014)Orientation: Awareness of presenteeism-related health conditions is important as the prevalence of these conditions unknowingly influences performance and productivity in organisations. Research purpose: The primary ... -
Effect of proline‐enriched abalone feed on selected metabolite levels of slow‐growing adult Haliotis midae
(Wiley, 2019)Abalone is currently considered South Africa's most successfully produced aquacul‐ ture export product, with a 76% share of the total value generated by the aquaculture sector. A major risk factor for this sector is slow ... -
The effect of psychological violence in the workplace on health: a holistic eco-system approach
(AOSIS, 2014)Background: Psychological violence has emerged as a priority concern in all workplaces because of its adverse consequences on victims’ health. So far, limited research has been conducted on the effect of psychological ... -
The effect of rainfall amount and timing on annual transpiration in grazed savanna grassland
(EGU, 2020)The role of precipitation (P) variability on evapotranspiration (ET) and its two components transpiration (T) and evaporation (E) rates from savannas continues to draw significant research interest given its relevance to ... -
The effect of rapid thermal annealing on sputtered Pt and Pt3Pd2 thin film electrocatalysts for aqueous SO2 electro-oxidation
(Springer, 2016)Insight into the effect that rapid thermal annealing (RTA) has on the structural and electrochemical characteristics of sputtered Pt and Pt3Pd2 thin film electrocatalysts is communicated. The DC magnetron sputtered thin ... -
Effect of reactor vessel cooling insulation and reflector heat pipes on the temperatures of a pebble-bed reactor using a system CFD approach
(Elsevier, 2020)This study investigates firstly, the effects of varying insulation thickness and flow path width between the core barrel and RCCS-concrete pressure vessel of an upward-flow helium-cooled pebble bed HTGR. The effects on ... -
The effect of real network phase disturbances on the calculation of IEC 61000-4-30 parameters
(IEEE, 2014)Real life network dynamic phenomena are used to demonstrate how the calculation of IEC 61000-4-30 parameters can be affected. The voltage frequency can change instantaneously at a point in the network due to a shift in the ... -
Effect of relative humidity and temperature on the mechanical properties of PFSA Nafion™-cation-exchanged membranes for electrochemical applications
(ESG, 2017)Perfluorosulfonic acid (PFSA) polymer membranes, also known as PEM (proton - exchange membranes), such as Nafion ™ are widely used as electrolyte thin films in electrochemical hydrogen energy ... -
The effect of reseeding methods on secondary succession during cropland restoration in the Highveld region of South Africa
(Taylor & Francis/NICS, 2011)The Grassland biome is the most transformed biome in South Africa, with cultivation and other human impacts having the largest effect on pristine grasslands. Conversion of natural grassland to cropland agriculture destroys ... -
Effect of Saccharomyces cerevisiae and Zymomonas mobilis on the co-fermentation of sweet sorghum bagasse hydrolysates pretreated under varying conditions
(Elsevier, 2014)Hydrolysates from sweet sorghum bagasse pretreatment normally contains hexose and pentose sugars, and this complex mixture of sugars presents a challenge for a single microorganism to effectively ferment all sugars to ... -
Effect of seaweed extract and bradirhizobium inoculation on growth, nodulation and yield attributes of Cowpea (Vigna Unguiculata L Walp) under tunnel house and field conditions
(EDP Open, 2017)A 3-factorial agronomic experiment was carried out under field and tunnel house conditions to investigate the effect of seaweed extract and Bradyrhizobium inoculation on cowpea growth and performance. In both trials, ... -
Effect of small-quantity lipid-based nutrient supplements on growth, psychomotor development, iron status, and morbidity among 6- to 12-mo-old infants in South Africa: a randomized controlled trial
(Oxford Univ Press, 2019)Background Evidence on the effect of small-quantity lipid-based nutrient supplements (SQ-LNSs) on early child growth and development is mixed. Objective This study assessed the effect of daily consumption of 2 different ... -
The effect of socio demographic factors on the utilization of maternal health care services in uganda
(Wits University, 2014)The aim of this study was to investigate the effect of demographic and socio-economic factors on the utilization of maternal health care services using the 2006 Uganda Demographic Health Survey. Three measures of maternal ... -
The effect of socio-demographic factors on risky-sexual behaviours of adolescents in the North West Province of South Africa
(UAPS, 2014)The present study sought to fill a research void on adolescent problem behaviours in South Africa by examining individual and contextual factors that affect sexual-risk taking behaviours amongst black African adolescents ... -
The effect of socio-demographic factors on risky-sexual behaviours of adolescents in the North West Province of South Africa
(University of the Witwatersrand, Demography and Population Studies Programme, 2014)The present study sought to fill a research void on adolescent problem behaviours in South Africa by examining individual and contextual factors that affect sexual-risk taking behaviours amongst black African adolescents ...