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Interprétation des spectres de masse en couplage GC-MS - cours et exerices corrigés

Interprétation des spectres de masse en couplage GC-MS - cours et exerices corrigés PDF Author: BOUCHONNET Stéphane
Publisher: Lavoisier
ISBN: 2743064528
Category : Chemical structure
Languages : en
Pages : 218

Book Description
C’est avec une réelle volonté didactique que cet ouvrage aborde l’interprétation des spectres de masse pour confirmer ou élucider des structures chimiques. Les publications scientifiques dédiées à la spectrométrie de masse sont souvent complexes et présentent une approche très théorique, souvent difficile à comprendre et à mettre en pratique. Ce livre se fait fort, grâce à sa simplicité et à sa démarche ancrée dans la pratique, d’offrir aux débutants comme aux spécialistes du domaine, les clés de cette technique. Un premier chapitre présente des rappels de chimie organique nécessaires à une bonne compréhension des réactions impliquées. Dans un deuxième chapitre, les mécanismes de formation et de dissociation des ions sont détaillés : ruptures simples et réarrangements, fragmentations secondaires, etc. Ces mécanismes sont illustrés de nombreux exemples concrets. La seconde partie de cet ouvrage propose une cinquantaine d'exercices corrigés permettant d'acquérir maîtrise et autonomie. À la fois manuel universitaire et guide pratique quotidien, L’interprétation des spectres de masse en couplage GC-MS constitue une référence pour tous les utilisateurs de couplage GC-MS tels que les ingénieurs, techniciens, chercheurs, étudiants, etc., débutants ou confirmés, désireux d'interpréter judicieusement leurs spectres de masse. Outre l'élucidation structurale, la compréhension des mécanismes qui régissent l'interprétation des spectres permet l'amélioration des méthodes analytiques et la fiabilisation des résultats.

Brocken Spectre

Brocken Spectre PDF Author: Jacques J. Rancourt
Publisher: Alice James Books
ISBN: 1948579448
Category : Poetry
Languages : en
Pages : 97

Book Description
Set in San Francisco, Brocken Spectre examines the way the past presses up against the present. The speaker, raised in the wake of the AIDS crisis, engages with ideas of belatedness, of looking back to a past that cannot be inhabited, of the ethics of memory, and of the dangers in memorializing and romanticizing tragedy.

Spectres of Fascism

Spectres of Fascism PDF Author: Samir Gandesha
Publisher: Pluto Press (UK)
ISBN: 9780745340630
Category : Authoritarianism
Languages : en
Pages : 0

Book Description
Historians and theorists debate the return of fascism, focusing on case studies from around the world.

Spectres of 1919

Spectres of 1919 PDF Author: Barbara Foley
Publisher: University of Illinois Press
ISBN: 0252091248
Category : History
Languages : en
Pages : 330

Book Description
A look at the violent “Red Summer of 1919” and its intersection with the highly politicized New Negro movement and the Harlem Renaissance With the New Negro movement and the Harlem Renaissance, the 1920s was a landmark decade in African American political and cultural history, characterized by an upsurge in racial awareness and artistic creativity. In Spectres of 1919 Barbara Foley traces the origins of this revolutionary era to the turbulent year 1919, identifying the events and trends in American society that spurred the black community to action and examining the forms that action took as it evolved. Unlike prior studies of the Harlem Renaissance, which see 1919 as significant mostly because of the geographic migrations of blacks to the North, Spectres of 1919 looks at that year as the political crucible from which the radicalism of the 1920s emerged. Foley draws from a wealth of primary sources, taking a bold new approach to the origins of African American radicalism and adding nuance and complexity to the understanding of a fascinating and vibrant era.

Spectres

Spectres PDF Author: Judith Clark
Publisher:
ISBN: 9781851774531
Category : Fashion
Languages : en
Pages : 167

Book Description
"As both curator and exhibition designer, Judith Clark addresses the relationship of contemporary fashion to history, creating a collage of visual references which offer a fascinating insight into the origins of current themes, such as alienation, trauma and phantasmagoria. Details of historic dress and images of nineteenth-century fairground architecture lead into the work of contemporary designers such as Vikto & Rolf, Maison Martin Margiela, Veronique Branquinho, Hussein Chalayan, Christian Lacroix and Shelley Fox. The ideas for the installation draw on a skeletal early industrial/metropolitan aesthetic, while the mannequins belong to the history of dolls and wax effigies, embodied in the mask-like catwalk make-up of Pat McGrath. This book includes a coda by fashion historian Caroline Evans, author of 'Fashion on the edge', from whom Clark has drawn assumptions about comtemporary dress, and an illustrated essay on the idea of the scaffold by Russian avant-garde architect Yuri Avvakumov. Also reproduced are designs commissioned by Clark for a giant shadow lantern from the celebrated New York fashion illustrator Ruben Toldeo, and sketches for customised mannequins by jeweller Naomi Filmer. The final section features photographs of the dramatic installations constructed for the exhibition." -- back cover.

High Static, Dead Lines

High Static, Dead Lines PDF Author: Kristen Gallerneaux
Publisher: MIT Press
ISBN: 1913689093
Category : Social Science
Languages : en
Pages : 330

Book Description
A literary mix tape that explores the entwined boundaries between sound, material culture, landscape and esoteric belief. Trees rigged up to the wireless radio heavens. A fax machine used to decode the language of hurricanes. A broadcast ghost that hijacked a television station to terrorize a city. A failed computer factory in the desert with a slap-back echo resounding into ruin. In High Static, Dead Lines, media historian and artist Kristen Gallerneaux weaves a literary mix tape that explores the entwined boundaries between sound, material culture, landscape, and esoteric belief. Essays and fictocritical interludes are arranged to evoke a network of ley lines for the “sonic spectre” to travel through—a hypothetical presence that manifests itself as an invisible layer of noise alongside the conventional histories of technological artifacts. The objects and stories within span from the mid-nineteenth century to the present day, touching upon military, communications, and cultural history. A connective thread is the recurring presence of sound—audible, self-generative, and remembered—charting the contentious sonic histories of paranormal culture.

Savannah Spectres

Savannah Spectres PDF Author: Margaret Wayt DeBolt
Publisher: Schiffer Publishing
ISBN:
Category : Fiction
Languages : en
Pages : 324

Book Description
Some seventy storiess skillfully interwoven with the heritage of the area's colorful past, and illustrated with over thirty photos and sketches. Incidents of precognition, extrasensory perception, deja vu and possible reincarnation are included in this personal and highly readable account . (Donning)

Red Spectres

Red Spectres PDF Author: Muireann Maguire
Publisher: Harry N. Abrams
ISBN: 9781468303483
Category : Fiction
Languages : en
Pages : 0

Book Description
In the first decades of the twentieth century, gothic fiction flourished in Russia, despite official efforts to stamp it out.

Interprétation des spectres de masse en couplage GC-MS - cours et exerices corrigés

Interprétation des spectres de masse en couplage GC-MS - cours et exerices corrigés PDF Author: BOUCHONNET Stéphane
Publisher: Lavoisier
ISBN: 2743064528
Category : Chemical structure
Languages : en
Pages : 218

Book Description
C’est avec une réelle volonté didactique que cet ouvrage aborde l’interprétation des spectres de masse pour confirmer ou élucider des structures chimiques. Les publications scientifiques dédiées à la spectrométrie de masse sont souvent complexes et présentent une approche très théorique, souvent difficile à comprendre et à mettre en pratique. Ce livre se fait fort, grâce à sa simplicité et à sa démarche ancrée dans la pratique, d’offrir aux débutants comme aux spécialistes du domaine, les clés de cette technique. Un premier chapitre présente des rappels de chimie organique nécessaires à une bonne compréhension des réactions impliquées. Dans un deuxième chapitre, les mécanismes de formation et de dissociation des ions sont détaillés : ruptures simples et réarrangements, fragmentations secondaires, etc. Ces mécanismes sont illustrés de nombreux exemples concrets. La seconde partie de cet ouvrage propose une cinquantaine d'exercices corrigés permettant d'acquérir maîtrise et autonomie. À la fois manuel universitaire et guide pratique quotidien, L’interprétation des spectres de masse en couplage GC-MS constitue une référence pour tous les utilisateurs de couplage GC-MS tels que les ingénieurs, techniciens, chercheurs, étudiants, etc., débutants ou confirmés, désireux d'interpréter judicieusement leurs spectres de masse. Outre l'élucidation structurale, la compréhension des mécanismes qui régissent l'interprétation des spectres permet l'amélioration des méthodes analytiques et la fiabilisation des résultats.

A Book of Spooks and Spectres

A Book of Spooks and Spectres PDF Author: Ruth Manning-Sanders
Publisher: Dutton Books for Young Readers
ISBN: 9780525270454
Category : Folklore
Languages : en
Pages : 0

Book Description
Twenty-three ghostly tales from around the world.

Spectres of Reparation in South Africa

Spectres of Reparation in South Africa PDF Author: Jaco Barnard-Naude
Publisher: Taylor & Francis
ISBN: 100092906X
Category : Political Science
Languages : en
Pages : 255

Book Description
This book argues that South Africa is haunted by the spectre of reparation. The failure of the South African Truth and Reconciliation Commission to secure adequate reparation for the victims of colonisation and apartheid continues to drastically undermine the commission’s processes and legacy. Investigating the TRC’s key processes of amnesty, archiving and forgiveness in turn, the book demonstrates that each process is fundamentally thwarted by the terminal lack of reparation. These multiple forms of the spectre of reparation haunt post-apartheid society in deeply traumatogenic ways. The book proposes a new ethic of "reparative citizenship" as a means of encountering the spectres of reparation in a productive and transformative manner, generating hope even in the face of the irreparable. This book will be an important read for South Africans interested in overcoming the impasses and injustices that haunt the country, but it will also be of interest to post-conflict transitional justice and politics researchers more broadly.