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Date: 2012/10/17
Language: en
Type: Text
Identifier: tut:5073
Description: Mango gall fly (Procontarinia matteiana Kieffer & Cecconi, 1906) is an orchard pest that infests flush leaves of mango, forming wart-like structures on the leaves. Serious outbreaks may result in redu ... More
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Date: 2010/07/16
Language: en
Type: Text
Identifier: tut:5072
Description: Mango gall fly (Procontarinia matteiana) is an orchard pest that parasitises flush leaves of mango and serious outbreaks may result in reduced fruit yield. The trigger for infestation is unknown, but ... More
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Date: 2010-04-13
Type: Text
Identifier: tut:1606
Description: The last few decades have seen dramatic growth in the scale of production and the use of polybrominated diphenyl ethers (PBDEs) as flame retardants. Consequently, PBDEs such as BDE-47, BDE-99 and BDE- ... More
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Date: 2010/03/29
Language: en
Type: Text
Identifier: tut:4983
Description: Mycobiocides are attracting research interest worldwide as possible postharvest pathogen control mea- sures to replace synthetic fungicides. In this study, the application of two essential oils as fun ... More
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Date: 2008/10/21
Language: en
Type: Text
Identifier: tut:4992
Description: A slurry nebulisation technique was applied for elemental analysis of bituminous coals SARM 18, SARM 19 and four coals from three different seams in Witbank, South Africa, by inductively coupled plasm ... More
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Date: 2008/09/08
Language: en
Type: Text
Identifier: tut:7109
Description: A slurry nebulisation technique was applied for elemental analysis of bituminous coals SARM 18, SARM 19 and four coals from three different seams in Witbank, South Africa, by inductively coupled plasm ... More
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Date: 2008/03/16
Language: en
Type: Text
Identifier: tut:5063
Description: The levels of trace elements are an important component of safety and quality of milk. While certain ele- ments such as chromium are essential at low levels, an excess can result in deleterious effect ... More
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Date: 2007-10-30
Subject: Avocado oil | Hexane
Type: Text
Identifier: tut:1385
Description: Oil yield from avocado fruit may be influenced by fruit pre-treatment and extraction method. Unripe and ripe avocado fruit pieces were deep-frozen at −20 ◦C and either freeze-dried or oven-dried (80 ◦ ... More
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Date: 2007/09/27
Language: en
Type: Text
Identifier: tut:4980
Description: The presence of organochlorine compounds (OC) such as DDT and their metabolites in the environment have created a significant environmental concern over the years due to adverse effects. Consequently, ... More
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Date: 2007/01/10
Language: en
Type: Text
Identifier: tut:4989
Description: Background and Aims Lippia scaberrima, an aromatic indigenous South African plant, with medicinal application, potentially has economic value. The production of essential oil from this plant has not b ... More
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Date: 2006/01/01
Language: en
Type: Text
Identifier: tut:5948
Description: Lippia scaherrima (Verbenaceae) is an aromatic, medicinal shrub which is indigenous to southern Africa. Quantitative and qualitative analyses of the essential oil were conducted using gas chromatograp ... More
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Date: 2004/01/23
Language: en
Type: Text
Identifier: tut:4988
Description: The leaves of Leucosidea sericea (Rosaceae) are used medicinally by some indigenous South African people as a vermifuge and astringent. No information on the biological activity and phytochemistry of ... More
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Date: 2004/01/22
Language: en
Type: Text
Identifier: tut:4986
Description: The simplified generalized standard additions method (GSAM) was investigated as an alternative method for the ICP-OES analysis of solid materials, introduced into the plasma in the form of slurries. T ... More
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Date: 2004
Subject: Tea | Nebulisation
Language: en
Type: Text
Identifier: tut:3404
Description: In order to evaluate the slurry nebulization method as an alternative method for the analysis of tea, the metal ion content of tea samples of different origins was determined. The concentrations of six ... More
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Date: 2000/06/28
Language: en
Type: Text
Identifier: tut:5949
Description: An investigation was conducted to determine the feasibility of analysing cement by introducing it as a slurry into an inductively coupled plasma optical emission spectrometer (ICP-OES). A complete ana ... More
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