Zobrazeno 1 - 10
of 163
pro vyhledávání: '"R, Kfir"'
Publikováno v:
Water SA; Vol 33, No 5 (2007)
Scopus-Elsevier
Scopus-Elsevier
The aim of this study was to compile a new strategic framework to guide the funding and management of research in waterrelated human health in South Africa. This framework had to identify the research areas of highest need in the country and provide
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::085790e036f772f40c75039afbdf55ab
https://www.ajol.info/index.php/wsa/article/view/184016
https://www.ajol.info/index.php/wsa/article/view/184016
Publikováno v:
Journal of Water Supply: Research and Technology-Aqua. 49:23-33
Groundwater was used to evaluate the influence of the disinfection processes on the microbial quality of potable water distribution systems using laboratory-scale units. Coliform bacteria, heterotrophic plate count and total bacteria were used for th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d4d2d3b385c7ed0d1f1e5fca3f61fc0c
https://doi.org/10.2166/aqua.2000.0003
https://doi.org/10.2166/aqua.2000.0003
Publikováno v:
Water Research. 33:2937-2940
Groundwater was treated with chlorine and chloramine to study the incorporation and survival of Escherichia coli in developing biofilms in laboratory-scale units. Membrane filter and standard spread plate procedure were used to enumerate coliform and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9b792e0314cb7b693e9e5b6c73ccfa9a
https://doi.org/10.1016/s0043-1354(98)00520-x
https://doi.org/10.1016/s0043-1354(98)00520-x
Publikováno v:
Water Science and Technology. 38:283-289
In this study, surface water was used to evaluate the impact of disinfection processes (chlorination, chloramination, ozonation, UV irradiation and hydrogen peroxide) on biofilm formation in potable water distribution systems. Biofilm formation was o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9661425e93eae87802179a3ff6ab84aa
https://doi.org/10.2166/wst.1998.0817
https://doi.org/10.2166/wst.1998.0817
Autor:
R. Kfir
Publikováno v:
BioControl. 42:517-523
Larvae and pupae of diamondback moth,Plutella xylostella (L.) (Lepidoptera: Plutellidae), were collected weekly for two years on unsprayed cabbage plots. Samples were taken to the laboratory and parasitoids that emerged were identified and their inci
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5a98f4d258059e43b5efdbdee61d6833
https://doi.org/10.1007/bf02769811
https://doi.org/10.1007/bf02769811
Publikováno v:
Water Science and Technology. 35:35-40
Efforts to provide water to developing communities in South Africa have resulted in various types of water supplies being used. This study examined the relationship between the type of water supply and the quality of water used. Source (communal taps
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::42ad92be5ece246eba7883932731857e
https://doi.org/10.2166/wst.1997.0706
https://doi.org/10.2166/wst.1997.0706
Publikováno v:
Environmental Toxicology & Water Quality. 10:295-299
The microbiological quality of water in the potable water distribution system of a major South African metropolitan area was studied. Water samples were collected from private houses, apartment buildings, and public institutions over a period of two
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7702500f84955aa957b2702815fcaf4e
https://doi.org/10.1002/tox.2530100410
https://doi.org/10.1002/tox.2530100410
Publikováno v:
Water Science and Technology. 31:435-438
The levels of Giardia cysts and Cryptosporidium oocysts in 650 environmental water samples were investigated. Cysts and oocysts were found in all types of water tested. The presence of Giardia cysts exceeded Cryptosporidium oocysts both in the number
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::372c327a415ce0b6c7d8e39d86d3c1bd
https://doi.org/10.2166/wst.1995.0654
https://doi.org/10.2166/wst.1995.0654
Publikováno v:
Water Science and Technology. 31:299-302
The microbial quality of a marine tidal pool on South Africa's Atlantic coast was found to be inferior to that of the adjoining seawater (the latter complying with various water quality guidelines, the tidal pool failing). This seems to be due to pol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6a77259264b8c3cc925bf1a657f6b686
https://doi.org/10.2166/wst.1995.0630
https://doi.org/10.2166/wst.1995.0630
Autor:
R. Kfir, R. H. Watmough
Publikováno v:
Journal of Applied Entomology. 119:679-688
Total predation on pupae of Helicoverpa armigera was correlated with the numbers of larvae and pupae of the lepidopteran stem borers Busseola fusca (Full.) and Chilo partellus (Swin.) in maize and grain sorghum crops. The rate of predation on planted
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::809663e7a133ff7b0589717b6a4df291
https://doi.org/10.1111/j.1439-0418.1995.tb01358.x
https://doi.org/10.1111/j.1439-0418.1995.tb01358.x