Osman alaa (21 risultati)
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Taschenbuch. Condizione: Neu. Taxonomical and Biological studies on some Serranid fishes | Taxonomical and Biological studies on some species of genus Epinephelus (Family: Serranidae) from the Red Sea | Alaa Osman | Taschenbuch | 168 S. | Englisch | 2012 | LAP LAMBERT Academic Publishing | EAN 9783848407125 | Verantwortliche Per…son für die EU: preigu GmbH & Co. KG, Lengericher Landstr. 19, 49078 Osnabrück, mail[at]preigu[dot]de | Anbieter: preigu.
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Da: Revaluation Books, Exeter, Regno UnitoRevaluation Books
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Paperback. Condizione: Brand New. 168 pages. 8.66x5.91x0.38 inches. In Stock.
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Da: Mispah books, Redhill, SURRE, Regno UnitoMispah books
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Da: preigu, Osnabrück, Germaniapreigu
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Taschenbuch. Condizione: Neu. Embryo-toxic effects of lead nitrate of the African catfish | Fish early life stage toxicity test | Alaa Osman | Taschenbuch | 136 S. | Englisch | 2015 | Scholars' Press | EAN 9783639761238 | Verantwortliche Person für die EU: preigu GmbH & Co. KG, Lengericher Landstr. 19, 49078 Osnabrück, mail[at]p…reigu[dot]de | Anbieter: preigu.
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Da: THE SAINT BOOKSTORE, Southport, Regno UnitoTHE SAINT BOOKSTORE
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Embryo-toxic effects of lead nitrate of the African catfish with different modes of action were determined. Exposure of fertilized eggs to lead nitrate prolonged the incubation period and caused severe malformations. No specific re…sponse in the activities of the selected enzymes and no extremely DNA damaged was recorded in the pre-hatching stage exposed to the lead nitrate doses. In contrast, remarkable alterations in the activities of the same enzymes and significant dose-related DNA damage response over time in the post-hatching stages were recorded. Low susceptibility in pre-hatching stages is most probably a consequence of the chorion, which seems to protect the embryos from a range of external pollutants. In addition, histopathological malformations confirmed a decreased sensitivity in pre-hatching stages: The degree of malformations in the eyes, gills and notochord increased drastically after hatching. In our point of view, the protective capacity provided by a hardened chorion is a very interesting finding, well worth further studies. The selected biomarkers were sensitive detection methods for low-level toxicity of lead nitrate. 136 pp. Englisch.
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Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermaniaBuchWeltWeit Ludwig Meier e.K.
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The present work has been suggested to the rarity of taxonomic and biological information with respect to the commercially important Serranid fishes from the Red Sea at Hurghada, Egypt. In this work more advanced techniques and sta…tistical methods were considered to answer a lot of important questions. The inter-specific variations between the selected Serranid species were evaluated in term of morphometric and meristic analysis, electrophoretic proteins patterns, number of isoenzymes, gene frequencies, genetic identity, genetic distance, heterozygozity and genotypes. 168 pp. Englisch.
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Da: AHA-BUCH GmbH, Einbeck, GermaniaAHA-BUCH GmbH
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Taschenbuch. Condizione: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - The present work has been suggested to the rarity of taxonomic and biological information with respect to the commercially important Serranid fishes from the Red Sea at Hurghada, Egypt. In this work more advanced techniques and statisti…cal methods were considered to answer a lot of important questions. The inter-specific variations between the selected Serranid species were evaluated in term of morphometric and meristic analysis, electrophoretic proteins patterns, number of isoenzymes, gene frequencies, genetic identity, genetic distance, heterozygozity and genotypes.
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Da: moluna, Greven, Germaniamoluna
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Condizione: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Osman AlaaAssistant professor in the Faculty of Science engaged in research and teaching. He succeeded to get highly appreciated postdoctoral Alexander von Humboldt fellowship. His principal research i…nterests lie in the field of Fis.
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Da: moluna, Greven, Germaniamoluna
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Condizione: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Osman AlaaDr. Alaa G. M. Osman is Associate Professor in the Department of Zoology, Faculty of Science, Al-Azhar University, Assiut, Egypt. He is focused on Ecotoxicology which is done to assess the ef…fects of pollution on aquatic en.
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Da: Majestic Books, Hounslow, Regno UnitoMajestic Books
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Condizione: New. Print on Demand pp. 136.
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Da: Majestic Books, Hounslow, Regno UnitoMajestic Books
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Da: Biblios, frankfurt am main, HESSE, GermaniaBiblios
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Condizione: New. PRINT ON DEMAND pp. 136.
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Da: Biblios, frankfurt am main, HESSE, GermaniaBiblios
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Da: buchversandmimpf2000, Emtmannsberg, BAYE, Germaniabuchversandmimpf2000
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Taschenbuch. Condizione: Neu. This item is printed on demand - Print on Demand Titel. Neuware -The present work has been suggested to the rarity of taxonomic and biological information with respect to the commercially important Serranid fishes from the Red Sea at Hurghada, Egypt. In this work more advanced techniques and statist…ical methods were considered to answer a lot of important questions. The inter-specific variations between the selected Serranid species were evaluated in term of morphometric and meristic analysis, electrophoretic proteins patterns, number of isoenzymes, gene frequencies, genetic identity, genetic distance, heterozygozity and genotypes.VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 168 pp. Englisch.
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Da: AHA-BUCH GmbH, Einbeck, GermaniaAHA-BUCH GmbH
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Taschenbuch. Condizione: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Embryo-toxic effects of lead nitrate of the African catfish with different modes of action were determined. Exposure of fertilized eggs to lead nitrate prolonged the incubation period and caused severe malformations. No specific respons…e in the activities of the selected enzymes and no extremely DNA damaged was recorded in the pre-hatching stage exposed to the lead nitrate doses. In contrast, remarkable alterations in the activities of the same enzymes and significant dose-related DNA damage response over time in the post-hatching stages were recorded. Low susceptibility in pre-hatching stages is most probably a consequence of the chorion, which seems to protect the embryos from a range of external pollutants. In addition, histopathological malformations confirmed a decreased sensitivity in pre-hatching stages: The degree of malformations in the eyes, gills and notochord increased drastically after hatching. In our point of view, the protective capacity provided by a hardened chorion is a very interesting finding, well worth further studies. The selected biomarkers were sensitive detection methods for low-level toxicity of lead nitrate.
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Da: buchversandmimpf2000, Emtmannsberg, BAYE, Germaniabuchversandmimpf2000
Contatta il venditoreVenditore con 5 stelleCondizione: Nuovo
EUR 271,60
EUR 60,00 spedizioneSpedito da Germania a U.S.A.Quantità: 1 disponibili
Taschenbuch. Condizione: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Embryo-toxic effects of lead nitrate of the African catfish with different modes of action were determined. Exposure of fertilized eggs to lead nitrate prolonged the incubation period and caused severe malformations. No specific respon…se in the activities of the selected enzymes and no extremely DNA damaged was recorded in the pre-hatching stage exposed to the lead nitrate doses. In contrast, remarkable alterations in the activities of the same enzymes and significant dose-related DNA damage response over time in the post-hatching stages were recorded. Low susceptibility in pre-hatching stages is most probably a consequence of the chorion, which seems to protect the embryos from a range of external pollutants. In addition, histopathological malformations confirmed a decreased sensitivity in pre-hatching stages: The degree of malformations in the eyes, gills and notochord increased drastically after hatching. In our point of view, the protective capacity provided by a hardened chorion is a very interesting finding, well worth further studies. The selected biomarkers were sensitive detection methods for low-level toxicity of lead nitrate.OmniScriptum SRL, Str. Armeneasca 28/1, office 1, 2012 Chisinau 136 pp. Englisch.
