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1. |
Record Nr. |
UNINA9910144382503321 |
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Autore |
Abraham R. J (Raymond John), <1933-> |
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Titolo |
Modelling 1H NMR spectra of organic compounds [[electronic resource] ] : theory, applications and NMR prediction software / / Raymond J. Abraham, Mehdi Mobli |
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Pubbl/distr/stampa |
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Chichester, U.K., : Wiley, 2008 |
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ISBN |
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1-282-34276-2 |
9786612342769 |
0-470-72180-4 |
0-470-72181-2 |
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Descrizione fisica |
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1 online resource (398 p.) |
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Altri autori (Persone) |
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Disciplina |
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Soggetti |
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Proton magnetic resonance spectroscopy |
Organic compounds - Spectra |
Organic compounds - Structure |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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Modelling 1H NMR Spectra of Organic Compounds; Contents; Preface; 1 Introduction to 1H NMRChemical Shifts; 1.1 Historical Background; 1.2 Basic Theory of NMR; 1.3 The 1H Chemical Shift; 1.3.1 Nuclear Shielding and Reference Compounds; 1.4 1H Substituent Chemical Shift (SCS); 1.4.1 Two-bond (H.C.X) Effects; 1.4.2 Three-bond (H.C.C.X) Effects; 1.4.3 1H SCSs in Olefins and Aromatics; 1.5 Long-range Effects on 1H Chemical Shifts; 1.5.1 Steric (van der Waals) Effects; 1.5.2 Electric Field Effects; 1.5.3 π-Electron Effects; 1.5.4 Hydrogen Bonding Shifts |
1.6 Tables of 1H Chemical Shifts of Common Unsaturated and Saturated Cyclic SystemsReferences; 2 Interpretation of 1H NMR Coupling Patterns; 2.1 Fine Structure due to HH Coupling; 2.2 The Analysis of NMR Spectra; 2.2.1 Nomenclature of the Spin System, Chemical and Magnetic Equivalence; 2.2.2 Two Interacting Nuclei, the AB Spectrum; 2.2.3 Three Interacting Nuclei, the ABX Spectrum; 2.2.4 Four Interacting Nuclei; 2.2.5 Iterative Computer Analysis; 2.2.6 Automatic Iteration of Complex Spectra; 2.3 The Mechanism of Spin- |
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Spin Coupling; 2.3.1 Geminal HH Couplings (2JHH) |
2.3.2 Vicinal HH Couplings (3JHH)2.3.3 Ab initio Calculated Couplings; 2.3.4 Long-range HH Couplings; 2.4 HF Couplings; 2.4.1 Geminal HF Couplings (2JHF); 2.4.2 Vicinal HF Couplings; 2.4.3 Long-range HF Couplings; References; 3 Chemical Shift Calculations and Molecular Structure; 3.1 Introduction; 3.2 Quantum Mechanical Calculations of 1H Chemical Shifts; 3.3 The Database Approach; 3.4 Semi-empirical Calculations; 3.5 Theory of the CHARGE Program; 3.5.1 Through Bond Effects; 3.5.2 1H Chemical Shifts of Substituted Methanes and Ethanes; 3.5.3 Through Space Effects |
3.5.4 Hydrogen Bonding Shifts3.5.5 Aromatic Compounds; References; 4 Modelling 1H Chemical Shifts, Hydrocarbons; 4.1 Introduction; 4.2 Alkane Chemical Shifts; 4.2.1 H..H and C..H Steric Interactions; 4.2.2 The Methyl Effect; 4.2.3 CC Bond Anisotropy; 4.2.4 Observed versus Calculated Shifts; 4.3 Alkene Chemical Shifts; 4.3.1 Introduction; 4.3.2 CC Bond Anisotropy and Shielding; 4.3.3 Observed versus Calculated Shifts; 4.4 Alkyne Chemical Shifts; 4.4.1 Introduction; 4.4.2 CC Bond Anisotropy and Shielding; 4.4.3 Observed versus Calculated Shifts |
4.4.4 Acetylene SCSs4.4.5 Contributions to the Acetylene SCSs; 4.4.6 Naphthyl and Phenanthryl Acetylenes; 4.5 Summary; References; 5 Modelling 1H Chemical Shifts, Aromatics; 5.1 Aromatic Hydrocarbons; 5.1.1 Introduction; 5.1.2 Ring Currents, π-Electron Densities and Steric Effects; 5.1.3 Observed versus Calculated Shifts; 5.2 Heteroaromatics; 5.2.1 Introduction; 5.2.2 Theory and Application to Heteroaromatics; 5.2.3 Observed versus Calculated Shifts; 5.2.4 Ring Currents and π-Electron Shifts; 5.3 Summary; References; 6 Modelling 1H Chemical Shifts, Monovalent Substituents; 6.1 Introduction |
6.2 Fluorine Substituent Chemical Shifts |
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Sommario/riassunto |
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Provides a theoretical introduction to graduate scientists and industrial researchers towards the understanding of the assignment of 1H NMR spectraDiscusses, and includes on enclosed CD, one of the best, the fastest and most applicable pieces of NMR prediction software availableAllows students of organic chemistry to solve problems on 1H NMR with access to over 500 assigned spectra |
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2. |
Record Nr. |
UNINA9910495743003321 |
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Autore |
Alcouffe Christiane |
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Titolo |
Dictionnaire historique de comptabilité des entreprises / Didier Bensadon, Nicolas Praquin, Béatrice Touchelay |
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Pubbl/distr/stampa |
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Villeneuve d'Ascq, : Presses universitaires du Septentrion, 2018 |
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ISBN |
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Descrizione fisica |
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1 online resource (500 p.) |
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Altri autori (Persone) |
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AsselainJean-Charles |
BakerCharles-Richard |
BaubeauPatrice |
BensadonDidier |
BlumVéronique |
BonneCatherine |
BonnevalLoic |
BordeChristian |
BughinChristiane |
CardoniFabien |
ChambostIsabelle |
CharlierPatrice |
CharrierEmmanuel |
ChristenCarole |
CléachOlivier |
ColasseBernard |
DakkamMohamed Ali |
De BeeldeIgnace |
DegosJean-Guy |
DequidtMarie-Agnès |
D’AngioAgnès |
El OrfLazhar |
EyraudCorine |
FelixEddy E |
FinetAlain |
FloquetMathieu |
Fournes DattinChristine |
Fournes-DattinChristine |
Hissung-ConvertNelly |
HoarauChristian |
JolyNathalie |
JouanenOlivia |
KleeLouis |
LaachrateMohamed |
LabardinPierre |
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LaguecirAziza |
Le BrisDavid |
Le ManhAnne |
Le TexierThibault |
LemarchandYannick |
LevantYves |
LonguenesseElisabeth |
LouzzaniYassine |
MagneLaurent |
MarcoLuc |
MasquelierPhilippe |
MastinJean-Luc |
McWattersCheryl S |
Meiss-EvenMarjorie |
MereauxJean-Paul |
MetzgerJean-Luc |
MichaïlescoCéline |
MikolAlain |
MinchellaDelphine |
MullerYvonne |
NikitinMarc |
ObertRobert |
PasqualiniFrançois |
PerrinCédric |
PerronFabrice |
PlatonovaNatalia |
PraquinNicolas |
PrunauxEmmanuel |
RamirezCarlos |
Rebolledo-DhuinViera |
RichardEdouard |
RichardJacques |
RobertFrançois |
RossiMaria Lucia |
RossignolJean-Luc |
SabolyMichèle |
SanduRaluca |
TabourinFrancis |
ThuelinElisabeth |
TouchelayBéatrice |
TouchelayMarie-Christine |
VilliersPatrick |
WittmannValentin |
ZelinschiDragos |
ZimnovitchHenri |
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Soggetti |
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Corporations - Accounting - History |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Sommario/riassunto |
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Plus de quatre-vingts contributeurs, spécialistes de sciences humaines et sociales (droit, économie, gestion, histoire, sciences politiques, sociologie) ont travaillé ensemble pour définir les principales notions et termes comptables qui courent du xve siècle à aujourd’hui. L’ouvrage est à même d’intéresser un public varié : les non-spécialistes de la comptabilité à la recherche de l’histoire technique de termes comptables ; les spécialistes de la comptabilité soucieux de trouver matière à réflexion sur les débats contemporains relatifs à la construction du chiffre comptable et de ses enjeux de pouvoir (i.e. : normes comptables internationales IFRS) ; les professionnels du chiffre curieux de l’étymologie et de l’origine des termes comptables et financiers. L’ouvrage vise donc à donner à chacun les moyens de mieux comprendre les enjeux des conventions comptables passées et actuelles et de prendre part aux débats qu’elles suscitent. Il permet de s’approprier ce qui est en général présenté comme une technique aride. Bien au contraire, ce dictionnaire critique met en avant la dimension historique et sociale de la comptabilité et le rôle qu’elle joue dans les transformations successives du capitalisme. Over eighty contributors human and social scientists (law, economics, management, history, political science, sociology) have worked together to highlight the main accounting concepts and terms coming from the past. |
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3. |
Record Nr. |
UNINA9910163213703321 |
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Autore |
Davis Major Danny M |
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Titolo |
Airborne Deep Operational Maneuver |
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Pubbl/distr/stampa |
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Chicago : , : Tannenberg Publishing, , 2014 |
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©2014 |
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ISBN |
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Edizione |
[1st ed.] |
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Descrizione fisica |
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1 online resource (46 pages) |
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Disciplina |
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Soggetti |
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Airborne operations (Military science) |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Nota di contenuto |
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Intro -- TABLE OF CONTENTS -- ABSTRACT -- SECTION I: INTRODUCTION -- SECTION II: DEFINITION OF TERMS -- SECTION III: NORMANDY AS A CASE-STUDY FOR THE USE OF AIRBORNE FORCES TO CONDUCT OPERATIONAL MANEUVER -- SECTION IV -- CURRENT FEASIBILITY OF THE USE OF AIRBORNE FORCES TO CONDUCT OPERATIONAL MANEUVER -- SECTION V: THE THEORY OF AIRBORNE OPERATIONAL MANEUVER -- SECTION VI: A SYNTHESIS OF MODERN EMPLOYMENT OPTIONS FOR AIRBORNE FORCES IN THE CONDUCT OF OPERATIONAL MANEUVER -- SECTION VII: IMPLICATIONS FOR THE FUTURE USES OF AIRBORNE FORCES FOR OPERATIONAL MANEUVER -- BIBLIOGRAPHY -- Books -- Periodicals. Papers, and Speeches -- Military/Government Publications. |
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Sommario/riassunto |
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The purpose of this paper is to answer two questions. The first question is: Is it feasible to use airborne forces to penetrate enemy airspace and to conduct a vertical envelopment to effect deep operational maneuver? If it is feasible, what are the employment options available for the use of such an airborne force in the conduct of a modern military campaign? To examine these questions, the paper begins with some definitions to provide a common frame of reference. The use of airborne forces in World War II is next examined to determine if the use of airborne forces to effect deep operational maneuver is historically feasible. Next, the contemporary threat is |
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discussed as it is relevant to the employment of airborne forces in a modern context. Next, the feasibility of the use of airborne forces with some limitations to conduct deep operational maneuver is established in the context of the maneuver, firepower, and protection aspects of the combat power model. Next, the theory of deep operations and the use of airborne forces to conduct these kinds of deep maneuvers is examined in the theories of Clausewitz, Jomini, Tukhachevskiy, Triandafillov, and Simpkin. Next, six employment options for the use of airborne forces to conduct deep operations in a modern context are deduced. They are: (1) an airborne force can be used to create a second front within a theater of operations; (2) an airborne force can be used to operationally contain an enemy force targeted for destruction within a theater of operations; (3) an airborne force can be used to seize a "bridgehead"...; (4) an airborne force can conduct coups de main against high value targets within a theater of operations; (5) an airborne force can conduct light operations in a theater of operations to disrupt and disorganize the enemy's rear facilities and networks and have a cumulative operational impact; and (6) an airborne force can conduct expeditionary operations to achieve political, strategic, and operational aims |
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