نتایج جستجو برای: respectively for roselle
تعداد نتایج: 10467713 فیلتر نتایج به سال:
with the introduction of communicative language teaching, a large number of studies have concerned with students’ oral participation in language classrooms. although the importance of classroom participation is evident, some language learners are unwilling to engage in oral activities. this passivity and unwillingness to participate in language classroom discussions is known as “reticence”. rev...
A smpile, rapid and accurate method for the determination of main mono and divalent inorganic anions in Roselle (Hibiscus sabdariffa L.) has been developed. The quantitative determination of anions F-, Cl-, NO2, Br ,NO3, HPO 24,SO 24, and I was accomplished by suppressed conductimetric ion chromatography (IC). The separation is achieved on shim-pack IC-SA2 250 mmL X 4.0 mm ID Peak. column opera...
1. to determine whether difference in birth body mass influenced growth performance in pipistrellus kuhlii we studied a total of 12 captive-born neonates. bats were assigned to two body mass groups: light birth body mass (lbw: 0.89 ± 0.05, n=8) and heavy birth body mass (hbw: 1.35 ± 0.08, n=4). heavier body mass at birth was associated with rapid postnatal growth (body mass and forearm length) ...
Hibiscus sabdariffa L. (Hs, roselle; Malvaceae) has been used traditionally as a food, in herbal drinks, in hot and cold beverages, as a flavouring agent in the food industry and as a herbal medicine. In vitro and in vivo studies as well as some clinical trials provide some evidence mostly for phytochemically poorly characterised Hs extracts. Extracts showed antibacterial, anti-oxidant, nephro-...
In this work, anthocyanins, a natural red pigment, were isolated from roselle calyces using supercritical carbon dioxide (SC-CO2). Three process conditions, namely pressure, temperature, and co-solvent ratio (ethanol-water), investigated three-factorial design response surface methodology (RSM). The method was used to model the extraction of total phenolic content, flavonoid colour characterist...
the present study sought to investigate the impact of using mind-mapping technique instruction on female elementary efl learners reading comprehension; it also investigated their attitudes towards using mind-mapping technique as a tool to improve their reading comprehension. this study followed a quasi-experimental design with two intact groups as experimental, and control groups. the participa...
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