Etude de l'origine et du vieillissement d'hydrocarbures pétroliers en milieu marin : approches in vitro et in situ

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ISBN 13 :
Total Pages : 226 pages
Book Rating : 4.:/5 (49 download)

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Book Synopsis Etude de l'origine et du vieillissement d'hydrocarbures pétroliers en milieu marin : approches in vitro et in situ by : Frédéric Jacquot

Download or read book Etude de l'origine et du vieillissement d'hydrocarbures pétroliers en milieu marin : approches in vitro et in situ written by Frédéric Jacquot and published by . This book was released on 1996 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: L'OBJECTIF DE CE TRAVAIL EST D'ETUDIER L'ACTION DE DIVERS PROCESSUS D'ALTERATION RENCONTRES DANS LE MILIEU MARIN, SUR LES HYDROCARBURES PETROLIERS, AFIN DE DETERMINER LES SOURCES DE POLLUTIONS PETROLIERES, RECENTES OU ANCIENNES, ET DE LES DIFFERENCIER DES AUTRES SOURCES (PYROLYTIQUES, BIOGENES). DE PLUS, L'INTERET DE L'UTILISATION DES MARQUEURS BIOGEOCHIMIQUES, REPUTES POUR LEUR STABILITE DANS L'ENVIRONNEMENT MARIN, A ETE EVALUE POUR DETERMINER L'ORIGINE DE LA POLLUTION PETROLIERE. TOUT D'ABORD, L'EVOLUTION IN VITRO D'HYDROCARBURES PETROLIERS SATURES ET AROMATIQUES A ETE ETUDIEE, SOUS L'EFFET DE LA PHOTOOXYDATION ET DE LA BIODEGRADATION AEROBIE. PUIS, DES ETUDES IN SITU DE L'ORIGINE DES HYDROCARBURES, ONT ETE REALISEES (1) AU NIVEAU DE SEDIMENTS DE LA COTE DE GRANITE ROSE DE BRETAGNE, PLUS DE 15 ANS APRES LES MAREES NOIRES DE L'AMOCO CADIZ ET DU TANIO, PAR UNE ANALYSE EN COMPOSANTES PRINCIPALES, ET (2) DANS DES SEDIMENTS D'UN SITE CHRONIQUEMENT CONTAMINE PAR DES REJETS PETROLIERS : L'ETANG DE BERRE, BOUCHES DU RHONE. L'APPROCHE IN VITRO A PERMIS, A L'AIDE DES MOYENS ANALYTIQUES APPROPRIES (CG, CG/SM...), LA DETERMINATION DE L'EVOLUTION DE PLUSIEURS FAMILLES D'HYDROCARBURES SATURES ET AROMATIQUES (N-ALCANES, DRIMANES, STERANES, HOPANES, PHENANTHRENES, DIBENZOTHIOPHENES...). L'APPROCHE IN SITU A PERMIS D'ETABLIR UN ETAT DES LIEUX CONCERNANT LES TENEURS ET LES ORIGINES DES HYDROCARBURES PRESENTS DANS LES SEDIMENTS DE LA COTE DE GRANITE ROSE DE BRETAGNE ET DE L'ETANG DE BERRE. DANS LE CAS DES SEDIMENTS DE COTE DE GRANITE ROSE DE BRETAGNE, L'EVOLUTION A LONG TERME DES MARQUEURS BIOGEOCHIMIQUE A ETE DETERMINEE.

Etude de l'origine et de la dispersion des pollutions pétrolières à l'aide de traceurs biogéochimiques

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ISBN 13 :
Total Pages : 217 pages
Book Rating : 4.:/5 (49 download)

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Book Synopsis Etude de l'origine et de la dispersion des pollutions pétrolières à l'aide de traceurs biogéochimiques by : David Munoz

Download or read book Etude de l'origine et de la dispersion des pollutions pétrolières à l'aide de traceurs biogéochimiques written by David Munoz and published by . This book was released on 1997 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt: LES RAPIDES TRANSFORMATIONS CHIMIQUES ET MECANIQUES DU PETROLE DEVERSE DANS L'ENVIRONNEMENT TERRESTRE OU MARIN, DU FAIT DES MECANISMES D'ALTERATION (EVAPORATION, DISSOLUTION, PHOTO OXYDATION, BIODEGRADATION...), SONT SOUVENT UN OBSTACLE A LA DETERMINATION DE SON ORIGINE. PAR CONSEQUENT, SI UN PETROLE NE PEUT ETRE RAPIDEMENT ANALYSE APRES SON INTRODUCTION DANS LE MILIEU NATUREL, SON IDENTIFICATION DEVIENT TRES DIFFICILE. L'OBJECTIF DE CE TRAVAIL A ETE DE METTRE AU POINT UN PROTOCOLE ANALYTIQUE POUR DEVELOPPER UNE METHODOLOGIE DE SUIVI ET D'IDENTIFICATION D'UNE POLLUTION PETROLIERE. POUR CELA, NOUS AVONS DEFINI ET CLASSE EN PLUSIEURS FAMILLES L'ENSEMBLE DES HYDROCARBURES ETUDIES. LES COMPOSES PETROLIERS QUI EVOLUENT DANS LE TEMPS SONT APPELES INDICATEURS D'EVOLUTION. CES HYDROCARBURES PERMETTENT DE RECONSTRUIRE L'HISTORIQUE ET LES DIFFERENTES PHASES DE VIEILLISSEMENT DU PETROLE CONTAMINANT. CEUX QUI PERMETTENT DE CARACTERISER LES DIFFERENTES CONTRIBUTIONS EN HYDROCARBURES (BIOGENE, ANTHROPIQUE, DIAGENETIQUE) DANS LES SEDIMENTS, SONT DEFINIS COMME INDICATEURS DE SOURCE. ENFIN, LES COMPOSES QUI PERSISTENT A LONG TERME DANS LE SEDIMENT ET CARACTERISENT L'EMPREINTE GEOCHIMIQUE DU PETROLE, SONT SELECTIONNES COMME MARQUEURS D'ORIGINE CAR ILS PERMETTENT D'IDENTIFIER LE RESIDU PETROLIER. D'UN POINT DE VUE EXPERIMENTAL, CETTE METHODOLOGIE A ETE APPLIQUEE EN PREMIER LIEU AU CAS DE POLLUTIONS DE SEDIMENTS RECENTS (0-20 CM DE PROFONDEUR) DONT L'HISTORIQUE EST CONNU (MANGROVE DE GUADELOUPE, COTE DE GRANITE ROSE DE BRETAGNE, BASSIN DE PECHELBRONN EN ALSACE). CES ETUDES, REALISEES SUR DES ENVIRONNEMENTS TRES DIFFERENTS (MARECAGEUX, MARIN ET TERRESTRE) ONT MONTRE DES RESULTATS SIMILAIRES, EN CE QUI CONCERNE LE DEVENIR (STABILITE) DE CERTAINS TRACEURS BIOGEOCHIMIQUES. DANS CHAQUE CAS, LES TERPANES TRI- ET TETRACYCLIQUES, CERTAINS TERPANES PENTACYCLIQUES, STERANES, DIASTERANES ET STEROIDES AROMATIQUES ONT ETE SELECTIONNES COMME MARQUEURS D'ORIGINE. LES HYDROCARBURES AROMATIQUES POLYCYCLIQUES (HAP), LES STERANES EN C#2#7, LES SESQUITERPANES BICYCLIQUES ET LES ALCANES LINEAIRES ET RAMIFIES ONT ETE CHOISIS COMME INDICATEURS DE SOURCE ET D'EVOLUTION. DANS UN DEUXIEME TEMPS, CETTE METHODOLOGIE D'IDENTIFICATION A ETE APPLIQUEE AU CAS D'UNE POLLUTION DE SEDIMENTS CONTAMINES CHRONIQUEMENT PAR UN MELANGE D'HYDROCARBURES BIOGENIQUES ET PETROGENIQUES. PAR UNE APPROCHE GEOCHIMIQUE, DES RAPPORTS MOLECULAIRES ELABORES A PARTIR DES MARQUEURS D'ORIGINE, ONT ETE SELECTIONNES POUR REALISER DEUX ETUDES STATISTIQUES COMPLEMENTAIRES (AFD ET ACP). CERTAINS DE CES RAPPORTS SE SONT AVERES SPECIFIQUES DES RESIDUS PETROLIERS ET SONT PAR LA-MEME D'EXCELLENTS OUTILS POUR REMONTER A L'ORIGINE DES PETROLES AYANT CONTAMINES LES SEDIMENTS ETUDIES. POUR ALLER ENCORE PLUS LOIN DANS NOTRE INVESTIGATION, NOUS AVONS MONTRE QUE LES INDICES MOLECULAIRES SELECTIONNES PERMETTENT EGALEMENT DE DIFFERENCIER 8 GROUPES GEOLOGIQUES DE PETROLES LES PLUS REPANDUS DANS LE MONDE.

CIESM Congress Proceedings

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ISBN 13 :
Total Pages : 454 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis CIESM Congress Proceedings by : International Commission for the Scientific Exploration of the Mediterranean Sea. Congress

Download or read book CIESM Congress Proceedings written by International Commission for the Scientific Exploration of the Mediterranean Sea. Congress and published by . This book was released on 2001 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Biogéochimie de la matière organique à l'interface eau-sédiment marin

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ISBN 13 : 9782222026389
Total Pages : 336 pages
Book Rating : 4.0/5 (263 download)

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Book Synopsis Biogéochimie de la matière organique à l'interface eau-sédiment marin by : R. Daumas

Download or read book Biogéochimie de la matière organique à l'interface eau-sédiment marin written by R. Daumas and published by . This book was released on 1980 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Océanographie: Caractères biologiques des eaux côtièrs

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ISBN 13 :
Total Pages : 190 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Océanographie: Caractères biologiques des eaux côtièrs by :

Download or read book Océanographie: Caractères biologiques des eaux côtièrs written by and published by . This book was released on 1987 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Topics in Romance Syntax

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Publisher : ISSN
ISBN 13 : 9783112420218
Total Pages : 0 pages
Book Rating : 4.4/5 (22 download)

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Book Synopsis Topics in Romance Syntax by : Osvaldo Jaeggli

Download or read book Topics in Romance Syntax written by Osvaldo Jaeggli and published by ISSN. This book was released on 1981 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The architecture of the human language faculty has been one of the main foci of the linguistic research of the last half century. This branch of linguistics, broadly known as Generative Grammar, is concerned with the formulation of explanatory formal accounts of linguistic phenomena with the ulterior goal of gaining insight into the properties of the 'language organ'. The series comprises high quality monographs and collected volumes that address such issues. The topics in this series range from phonology to semantics, from syntax to information structure, from mathematical linguistics to studies of the lexicon. To discuss your book idea or submit a proposal, please contact Birgit Sievert

ICREEC 2019

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Publisher : Springer Nature
ISBN 13 : 9811554447
Total Pages : 659 pages
Book Rating : 4.8/5 (115 download)

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Book Synopsis ICREEC 2019 by : Ahmed Belasri

Download or read book ICREEC 2019 written by Ahmed Belasri and published by Springer Nature. This book was released on 2020-06-10 with total page 659 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights peer reviewed articles from the 1st International Conference on Renewable Energy and Energy Conversion, ICREEC 2019, held at Oran in Algeria. It presents recent advances, brings together researchers and professionals in the area and presents a platform to exchange ideas and establish opportunities for a sustainable future. Topics covered in this proceedings, but not limited to, are photovoltaic systems, bioenergy, laser and plasma technology, fluid and flow for energy, software for energy and impact of energy on the environment.

R.I.O.M.

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ISBN 13 :
Total Pages : 456 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis R.I.O.M. by :

Download or read book R.I.O.M. written by and published by . This book was released on 1987 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vol. include Compte-rendu and reports presented at the Colloque international d'océanographie médicale.

United Nations Yearbook of the International Law Commission

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (452 download)

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Book Synopsis United Nations Yearbook of the International Law Commission by : United Nations. International Law Commission

Download or read book United Nations Yearbook of the International Law Commission written by United Nations. International Law Commission and published by . This book was released on 1956 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Frontline and Factory

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Publisher : Springer Science & Business Media
ISBN 13 : 1402054904
Total Pages : 292 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Frontline and Factory by : Roy MacLeod

Download or read book Frontline and Factory written by Roy MacLeod and published by Springer Science & Business Media. This book was released on 2007-05-06 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book represents a first considered attempt to study the factors that conditioned industrial chemistry for war in 1914-18. Taking a comparative perspective, it reflects on the experience of France, Germany, Austria, Russia, Britain, Italy and Russia, and points to significant similarities and differences. It looks at changing patterns in the organisation of industry, and at the emerging symbiosis between science, industry and the military.

Government of Canada Publications, Quarterly Catalogue

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ISBN 13 :
Total Pages : 920 pages
Book Rating : 4.U/5 (183 download)

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Book Synopsis Government of Canada Publications, Quarterly Catalogue by :

Download or read book Government of Canada Publications, Quarterly Catalogue written by and published by . This book was released on 1981 with total page 920 pages. Available in PDF, EPUB and Kindle. Book excerpt:

El Niño

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Publisher : UNESCO
ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis El Niño by : Bruno Voituriez

Download or read book El Niño written by Bruno Voituriez and published by UNESCO. This book was released on 2000 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: El Nino, caprice of the heavens, scapegoat for every calamity? The general public cannot really understand what is behind the El Nino phenomenon. The book offers a tour of the Earth's climate to understand one of its normal but extreme components.

Parliamentary Oversight of the Security Sector

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Publisher : DCAF
ISBN 13 : 8683543102
Total Pages : 209 pages
Book Rating : 4.6/5 (835 download)

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Book Synopsis Parliamentary Oversight of the Security Sector by : Philipp Fluri

Download or read book Parliamentary Oversight of the Security Sector written by Philipp Fluri and published by DCAF. This book was released on 2003 with total page 209 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Environmental Aspects of Dredging

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Publisher : CRC Press
ISBN 13 : 0203894898
Total Pages : 398 pages
Book Rating : 4.2/5 (38 download)

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Book Synopsis Environmental Aspects of Dredging by : R. N. Bray

Download or read book Environmental Aspects of Dredging written by R. N. Bray and published by CRC Press. This book was released on 2008-03-10 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: Expanding a port, deepening a navigation channel or creating new land for development, introduces changes to our physical, social, economic and political environment. Changes may result from events during the construction process, or relate to the nature of the completed structure. Changes can be positive or negative, short-term or long-term, and may affect the immediate vicinity of the project or a larger geographical area. Predicting and assessing all possible effects of a planned dredging activity in a scientifically-sound and reliable manner is essential, so that appropriate control measures can be taken to avoid or mitigate unwelcome impacts. This book provides guidance for a complete holistic environmental evaluation procedure and for the design and implementation of environmental control measures. The book is of particular interest to engineers, government agencies and port authorities, as well as civil engineering consultants and contractors involved in planning and designing dredging, maritime infrastructure and fluvial projects.

Emerging Micro-pollutants in the Environment

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Publisher : ACS Symposium
ISBN 13 : 9780841230781
Total Pages : 0 pages
Book Rating : 4.2/5 (37 download)

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Book Synopsis Emerging Micro-pollutants in the Environment by : Sudarshan Kurwadkar

Download or read book Emerging Micro-pollutants in the Environment written by Sudarshan Kurwadkar and published by ACS Symposium. This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Distributed in print by Oxford University Press."

Fisheries Management

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Publisher : Fao Technical Guidelines for R
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Fisheries Management by : Food and Agriculture Organization of the United Nations

Download or read book Fisheries Management written by Food and Agriculture Organization of the United Nations and published by Fao Technical Guidelines for R. This book was released on 2008 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: "These guidelines have been produced to supplement as an addition to the FAO Technical Guidelines for Responsible Fisheries no. 4, Suppl. 2 entitled Fisheries management".

Shared Capitalism at Work

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Publisher : University of Chicago Press
ISBN 13 : 0226056961
Total Pages : 433 pages
Book Rating : 4.2/5 (26 download)

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Book Synopsis Shared Capitalism at Work by : Douglas L. Kruse

Download or read book Shared Capitalism at Work written by Douglas L. Kruse and published by University of Chicago Press. This book was released on 2010-06-15 with total page 433 pages. Available in PDF, EPUB and Kindle. Book excerpt: The historical relationship between capital and labor has evolved in the past few decades. One particularly noteworthy development is the rise of shared capitalism, a system in which workers have become partial owners of their firms and thus, in effect, both employees and stockholders. Profit sharing arrangements and gain-sharing bonuses, which tie compensation directly to a firm’s performance, also reflect this new attitude toward labor. Shared Capitalism at Work analyzes the effects of this trend on workers and firms. The contributors focus on four main areas: the fraction of firms that participate in shared capitalism programs in the United States and abroad, the factors that enable these firms to overcome classic free rider and risk problems, the effect of shared capitalism on firm performance, and the impact of shared capitalism on worker well-being. This volume provides essential studies for understanding the increasingly important role of shared capitalism in the modern workplace.