Search
Now showing items 41-50 of 135
Evaluation of reference values of standard semen parameters in fertile Egyptian men
(Wiley, 2018)
The reference values of human semen, published in the WHO’s latest edition in 2010,
were lower than those previously reported. The objective of this study was to evaluate
reference values of standard semen parameters in ...
Factors affecting the enrolment rate of students in Higher Education Institutions in the Gauteng province, South Africa
(SAGE, 2018)
The purpose of this research is to investigate and analyse higher education institutions' enrolment and
drop-out rates within the Gauteng province, South Africa. Large-scale secondary data from the General
Household ...
The effect of a warm electron beam on slow electron-acoustic solitons
(AIP Publishing, 2018)
The effects of the inclusion of finite drift speed of a warm electron component on the existence of arbitrary amplitude slow electron-acoustic solitons are investigated in a model with ions and cool, warm, and hot electrons. ...
The kinematic dipole in galaxy redshift surveys
(IOP Publishing, 2018)
In the concordance model of the Universe, the matter distribution { as observed in galaxy number
counts or the intensity of line emission (such as the 21cm line of neutral hydrogen) - should have
a kinematic dipole due ...
Relative contribution of various chronic diseases and multi-morbidity to potential disability among Dutch elderly
(2018, 2018)
BACKGROUND: The amount of time spent living with disease greatly influences elderly people’s wellbeing, disability
and healthcare costs, but differs by disease, age and sex.
METHODS: We assessed how various single and ...
Effect of growth temperature on the structural, optical and luminescence properties of cadmium telluride nanoparticles
(Springer, 2018)
Cadmium telluride (CdTe) has been successfully prepared by a simple wet chemical process at different reaction temperatures. Temperature is one parameter that thermodynamically plays an important role in controlling the ...
Characterizing the spatio-temporal variations of C3 and C4 dominated grasslands aboveground biomass in the Drakensberg, South Africa
(Elsevier, 2018)
C3 and C4 grass species composition, with different physiological, morphological and most importantly phenological
characteristics, influence Aboveground Biomass (AGB) and their ability to provide ecosystem goods
and ...
Human sperm handling in intracytoplasmic sperm injection processes: In vitro studies on mouse oocyte activation, embryo development competence and sperm oxidation–reduction potential
(Wiley, 2018)
Polyvinylpyrrolidone (PVP) and hyaluronic acid (HA) are routinely used in handling spermatozoa for intracytoplasmic sperm injection (ICSI). As there are still concerns about possible adverse effects on the embryo, this ...
Sport, sex and age increase risk of illness at the Rio 2016 Summer Paralympic Games: a prospective cohort study of 51 198 athlete days
(BMJ, 2018)
OBJECTIVETo describe the epidemiology of illness at the
Rio 2016 Summer Paralympic Games.
METHODS A total of 3657 athletes from 78 countries,
representing 83.5% of all athletes at the Games,
were monitored on the ...
Autosomal recessive congenital cataract in captive-bred vervet monkeys (Chlorocebus aethiops)
(Wiley, 2018)
BACKGROUND: The aim of the study was to evaluate the genetic predisposition of congenital cataract in a colony of captive-bred vervet monkeys.
METHODS: Four congenital cataract genes: glucosaminyl (N-acetyl) transferase ...