Browsing by Author "Remli, S."

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    The effect of atmospheric optical phenomena photographed by students on learning motivation
    (2018) Blizak, Meriem Djanette; Remli, S.; Blizak, Salah
    The atmospheric optical phenomena (mirages, rainbows, halos, blue sky, sunset …) that we can observe in everyday life are very interesting for stimulating the students’ curiosity. This study aimed to investigate the effect of atmospheric optical phenomena photographed by university students’ on their learning motivation in geometrical optics (GO). To achieve the aim of the study, an available sample of the study composed of (200) students from the biology department of Boumerdes University, Algeria, was used. The subjects were randomly distributed into two groups: (165) of them in the experimental group and (35) in the control group. We have asked every student in the experimental group to use their smartphone or tablet to taking photos of an atmospheric optical phenomena and giving a physical explain. According to the motivation post and pres test, there were statistical significant differences in learning motivation in the favor of the experimental group
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    NiO thin films for environmental photocatalytic applications : a review
    (2021) Blizak, Meriem Djanette; Remli, S.; Blizak, S.; Bouchenak, O.; Yahiaoui, K.
    Nickel oxide (NiO) thin film is metal oxide that has attracted much attention in recent years due to its environment friendliness. Like all metallic oxides semiconductors, thin films, NiOis gaining more and more attention as a promising photo-catalyst to replace powder catalysts, which are difficult in recycling. This paper summarized the photocatalytic activity of metallic oxides thin films. Furthermore, the results of several studies onthe efficient photo-catalyst of NiO thin films and its components have also been shown. This review will be useful to researcher’s investigate non-toxic materials, with low production cost and high efficiency in the field of environmental protection