Results 101 to 110 of about 70,173 (278)

Lebensdauer des räuberischen Marienkäfers Serangium parcesetosum Sicard (Col., Coccinellidae) mit natürlicher und künstlicher Nahrung [PDF]

open access: yes, 2008
The little known ladybird, Serangium parcesetosum SICARD (Col., Coccinellidae) seems to be an important predator of whiteflies. It has found attacking Bemisia tabaci (GENN.) (Hom., Aleyrodidae) (KAPADIA & PURI 1992), Aleurolobus barodensis MASK (PATEL et
Al-Zyoud, Firas   +2 more
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The Hibiscus Bud Weevil (Anthonomus testaceosquamosus Linell, Coleoptera: Curculionidae)

open access: yesEDIS
A profile of the hibiscus bud weevil intended for the use of interested laypersons with some knowledge of biology as well as academic audiences. The hibiscus bud weevil, a pest of China rose hibiscus, originates from northeastern Mexico and southern ...
Alexandra M Revynthi   +5 more
doaj   +1 more source

Textile based dye-sensitized solar cells with natural dyes [PDF]

open access: yes, 2019
Natural dyes extracted from hibiscus petals, elderberries and mallow flowers were investigated in dye-sensitized solar cells. Two approaches were followed: 1.
Ehrmann, Andrea   +7 more
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The uterotonic screening of calyx extracts of Hibiscus sabdariffa on estrogenized isolated Uterus of Wister strain albino rats [PDF]

open access: hybrid, 2022
Ogundeko Timothy Olugbenga   +9 more
openalex   +1 more source

Optimization of extraction and concentration of anthocyanins from roselle (Hibiscus sabdariffa l.) by aqueous extraction and nanofiltration [PDF]

open access: yes, 2010
To prepare roselle extract, dried calyces of Hibiscus sabdariffa cultivar CLT 92 from Senegal, were mixed with plain water To optimize the aqueous extraction of anthocyanins from Roselle calyces, five ratios calyces/water (kg/kg) were studied (1/5, 1/10,
Cisse, Mady   +5 more
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Aphids associated with shrubs, herbaceous plants and crops in the Maltese Archipelago (Hemiptera, Aphidoidea) [PDF]

open access: yes, 2011
A survey of the aphids associated with Maltese shrubs, herbaceous plants and crops was carried out. Sixty six aphid species were recorded from more than 90 species of host plants.
Azzopardi, Erika   +6 more
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Why don't zombies like hibiscus tea? A multi-subject approach to photosynthesis through the use of Grätzel cells [PDF]

open access: yes, 2009
Traditionally, photosynthesis has been seen as the domain of biology, with some input from chemistry when dealing with chromatography, while, apart from a passing reference to the colour of leaves, physics has tended to steer clear of the process that ...
Ireson, G   +3 more
core  

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