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Wyszukujesz frazę "Benali, M." wg kryterium: Autor

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    Wyświetlanie 1-3 z 3
    Tytuł:
    Occurrence, ecotoxicology, removal of diclofenac by adsorption on activated carbon and biodegradation and its effect on bacterial community: A review
    Autorzy:
    Cherik, D.
    Benali, M.
    Louhab, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/1193973.pdf
    Data publikacji:
    2015
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    adsorption
    bacterial community
    conventional activated sludge
    diclofenac
    membrane bioreactor
    Opis:
    This paper reviewed the occurrence of diclofenac in the ecosystem, its ecotoxicology and its removal. Treatment technologies were based on two methods. Firstly, the physicochemical process namely adsorption on activated carbon thanks to its economic benefits. At the other end, the second method is biological process as biodegradation by activated sludge and membrane bioreactor. In this latter process diclofenac can affect the bacterial community in sludge and influence the efficiency of treatment or biodegradation.
    Źródło:
    World Scientific News; 2015, 16; 96-124
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Green Function on a Quantum Disk for the Helmholtz Problem
    Autorzy:
    Benali, B.
    Boudjedaa, B.
    Meftah, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1399173.pdf
    Data publikacji:
    2013-10
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    03.75.Lm
    03.65.Db
    02.30.Gp
    02.30.Sa
    Opis:
    In this work, we present a new result which concerns the derivation of the Green function relative to the time-independent Schrödinger equation in two-dimensional space. The system considered in this work is a quantal particle that moves in an axi-symmetric potential. At first, we have assumed that the potential V(r) to be equal to a constant $V_0$ inside a disk (radius a) and to be equal to zero outside the disk. We have used, to derive the Green function, the continuity of the solution and of its first derivative, at r=a (at the edge). Secondly, we have assumed that the potential V(r) is equal to zero inside the disk and is equal to $V_0$ outside the disk (the inverted potential). Here, also we have used the continuity of the solution and its derivative to obtain the associate Green function showing the discrete spectra of the Hamiltonian.
    Źródło:
    Acta Physica Polonica A; 2013, 124, 4; 636-640
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Biomonitoring of environmental pollution on the Algerian West coast using caged mussels Mytilus galloprovincialis
    Autorzy:
    Taleb, Z.M.
    Benali, I.
    Gherras, H.
    Ykhlef-Allal, A.
    Bachir-Bouiadjra, B.
    Amiard, J.-C.
    Boutiba, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/49006.pdf
    Data publikacji:
    2009
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    mussel
    caged mussel
    lysosomal membrane stability
    biomonitoring
    Mytilus galloprovincialis
    micronucleus
    Algerian West coast
    acetylcholinesterase
    environment pollution
    Opis:
    An active biomonitoring study was carried out on the Algerian west coast using wild reference mussels (Mytilus galloprovincialis) sampled from the Kristel (K) site and transplanted in net cages during one month (between May and June 2007) to Oran Harbour (OH) and Mostaganem Harbour (MH), areas characterised by high levels of urban and industrial pollution. The biological response of the mussels was evaluated by their condition index and the use of a general stress biomarker (evaluation of lysosomal membrane stability: the neutral red retention time (NRRT) method), a genotoxic effects biomarker (determination of micronuclei (MN) frequency) and a neurotoxic effects biomarker (determination of the acetylcholinesterase (AChE) concentration). Compared to the K reference specimens, OH and MH caged mussels presented a significant decrease of NRRT in lysosomal haemocytes (56.45±26.48 min and 67.25±22.77 min, respectively) (78±16.97 min for K mussels), an MN frequency respectively 7.3 and 9 times higher in the haemocytes and the gill cells of the OH caged mussels, and 7.2 and 6.4 times higher in the two tissues of the MH caged mussels. Significant inhibition of AChE activity was noted in the gills (16.93±3.1 nmol min−1 mg prot−1) and the digestive gland (7.69±1.79 nmol min−1 mg prot−1) of the OH mussels, but only in the gills (23.21±5.94 nmol min−1 mg prot−1) of the MH mussels, compared to the organs of the K control specimens (35.9±6.4 nmol min−1 mg prot−1 in the gills and 11.17±0.49 nmol min−1 mg prot−1 in the digestive gland). This study reflects the interest in such in situ biomonitoring assays and the utility of these biomarkers for assessing the effects of pollution in the Algerian coastal marine environment.
    Źródło:
    Oceanologia; 2009, 51, 1; 63-84
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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