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dipolar interactions

Generalizing solubility parameter theory to apply to one  and two dimensional solutes and to incorporate dipolar interactions

Generalizing solubility parameter theory to apply to one and two dimensional solutes and to incorporate dipolar interactions

... bonding interactions respectively and where the subscripts S and N represent solvent and dispersed phase (solute) ...bonding interactions were added by analogy with the dispersion ...other ...

20

Measuring 19F shift anisotropies and 1H–19F dipolar interactions with ultrafast MAS NMR

Measuring 19F shift anisotropies and 1H–19F dipolar interactions with ultrafast MAS NMR

... specific nuclear spin interactions averaged by MAS. This work makes use of the most flexible class of symmetry-based recoupling sequences, designated , which consist of N composite inversion pulses R, timed to ...

14

THERMODYNAMIC EXCESS PARAMETERS OF POLAR- POLAR LIQUID MIXTURES OF N- BUTYL IODIDE WITH ISOVALERIC ACID

THERMODYNAMIC EXCESS PARAMETERS OF POLAR- POLAR LIQUID MIXTURES OF N- BUTYL IODIDE WITH ISOVALERIC ACID

... The excess dipolar energy due to short range interaction between dipolar interactions between dissimilar molecules given by the value of 20.Swain 21 has reported the negative value of may ...

6

On the Relaxational Properties of a Quantum Dipolar Spin Glasses Model

On the Relaxational Properties of a Quantum Dipolar Spin Glasses Model

... Dipolar interactions are always present in paramagnets and paraelectrics ...magnetic dipolar systems have been the subject of many studies addressing, in particular, the question of whether or not a ...

5

Quantizied field description of rotor frequency-driven dipolar recoupling

Quantizied field description of rotor frequency-driven dipolar recoupling

... averages dipolar interactions. 12,13 Using dipolar recoupling techniques, homo- nuclear and heteronuclear dipolar correlation spectroscopy can be performed and the NMR response of moderately ...

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Dimensionality Effects in Dipolar Fluids: A Density Functional Theory Study

Dimensionality Effects in Dipolar Fluids: A Density Functional Theory Study

... Using classical density functional theory (DFT) in a modified mean-field approximation we investigate the fluid phase behavior of quasi-two dimensional dipolar fluids confined to a plane. The particles carry ...

8

Intermediate magnetization state and competing orders in Dy2Ti2O7 and Ho2Ti2O7

Intermediate magnetization state and competing orders in Dy2Ti2O7 and Ho2Ti2O7

... all dipolar spin models is that, contrary to initial expectations, spin- ice materials may have no extensive residual entropy even in the absence of an applied magnetic ...of dipolar interactions ...

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Conformational dynamics of a seven transmembrane helical protein anabaena sensory rhodopsin probed by solid state NMR

Conformational dynamics of a seven transmembrane helical protein anabaena sensory rhodopsin probed by solid state NMR

... heteronuclear dipolar interactions under MAS) through the dilution of the proton bath by perdeuteration with back-exchange of the amide and other solvent-accessible ...

52

I  Proton magnetic resonance of polynucleotides and transfer RNA  II  Electron spin relaxation studies of manganese (II) complexes in acetonitrile

I Proton magnetic resonance of polynucleotides and transfer RNA II Electron spin relaxation studies of manganese (II) complexes in acetonitrile

... Spin resonance line widths arising through dipolar interactions are dependent on the frequency of the H1 field... If the correl ation t imes,..[r] ...

226

Internal structure and stability of vortices in a dipolar spinor Bose Einstein condensate

Internal structure and stability of vortices in a dipolar spinor Bose Einstein condensate

... systems. Dipolar BECs can also be realized with weak dipolar interactions, provided that the other nonlinearities are even weaker (see aslo Appendix ...

13

Effect of Thickness on Magnetic Dipolar and Exchange Interactions in SmCo/FeCo/SmCo Thin Films

Effect of Thickness on Magnetic Dipolar and Exchange Interactions in SmCo/FeCo/SmCo Thin Films

... such interactions, and in particular, can be used to study the interplay between the exchange and the dipolar interactions in nanocomposite magnets ...exchange interactions, whereas negative ...

6

Dipolar relaxation and the impedance of yttria-stabilised zirconia ceramic electrolyte

Dipolar relaxation and the impedance of yttria-stabilised zirconia ceramic electrolyte

... such dipolar reorientation is, in its simplest form, given by a series RC element, Fig 1(c), in which R represents the resistance associated with the local hops and C is the effective amount of charge stored by ...

14

Cascade oxime formation, cyclization to a nitrone, and intermolecular dipolar cycloaddition.

Cascade oxime formation, cyclization to a nitrone, and intermolecular dipolar cycloaddition.

... intermolecular dipolar cyclo- addition has been shown to be successful with a range of alde- hydes, including enolisable aldehydes, together with electron- deficient dipolarophiles to give a variety of bicyclic, ...

10

The dipolar cyclo­addition of methyl acrylate to 1,5,6 tri­methyl 3 oxidopyrazinium

The dipolar cyclo­addition of methyl acrylate to 1,5,6 tri­methyl 3 oxidopyrazinium

... 5,6-Dimethylpyrazin-2-one reacts with iodomethane to give a quaternary salt, deprotonation of which liberates a 3- oxidopyrazinium which undergoes a 1,3-dipolar cycloaddition with methyl acrylate to form methyl ...

7

1,3-dipolar cycloaddition reactions in aqueous media and investigations into solid phase ether synthesis

1,3-dipolar cycloaddition reactions in aqueous media and investigations into solid phase ether synthesis

... When aqueous sodium hypochlorite was added to oxime 231 in water alone it was clearly observable from ‘H NMR spectral analysis that no intramolecular nitrile oxide 1,3-dipolar cycloaddition had occurred since the ...

254

Regioisomers of 1, 3-Dipolar Cycloadducts – A Computational Study

Regioisomers of 1, 3-Dipolar Cycloadducts – A Computational Study

... 1,3- dipolar cycloaddition have an unusually large negative entropy of activation similar to that of the Diels-Alder reaction, suggesting that the transition state is highly ordered, which is a signature of ...

25

Chiral heterocycles from intramolecular 1,3 dipolar cycloadditions

Chiral heterocycles from intramolecular 1,3 dipolar cycloadditions

... As mentioned previously there were a few problems with the alkylation methods tried. In an attempt to overcome these problems the Mitsunobu reaction"0 (discussed in more depth in section 4.2 Synthesis of pyrrolidines ...

225

Homonuclear correlation in solid state NMR : developing experiments for half integer quadrupolar nuclei

Homonuclear correlation in solid state NMR : developing experiments for half integer quadrupolar nuclei

... At the same time Samoson, Lippmaa and Pines were working on another technique for high-resolution lineshapes that required spinning at two angles si- multaneously [32, 33]. The theory of how double-rotation (DOR) ...

214

A study on the thermoelasticity of three-phase-lag dipolar materials with voids

A study on the thermoelasticity of three-phase-lag dipolar materials with voids

... continuous dipolar materials with voids is a distinctive part of microstructure theory, a theory that emerged with the necessity of eliminating the discrepancies between the classical theory and its experimental ...

24

A mathematical model for three phase lag dipolar thermoelastic bodies

A mathematical model for three phase lag dipolar thermoelastic bodies

... With the same procedure that was used for simple elastic solids, we deduce the constitutive laws for the three-phase-lag dipolar thermoelastic solids. To prove the consistency of the mixed problem formulated in ...

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