Kernel
发表于 2025-3-23 10:38:04
Introduction and Foreword,shed in great profusion. Quite a few intermolecular phenomenae may contribute to solvent shifts, but there is always the ubiquitous Van der Waals effect σ.. Contrary to such other effects as neighbour anisotropy σ., reaction field contribution σ. or complexation effects σ., no major direct use has y
角斗士
发表于 2025-3-23 16:39:02
Historical Development (Up to 1961),atics he showed that there is a finite contribution ΔH to the time averaged magnetic field at the nucleus under study given by .Where .. the Lorentz cavity and —. is the demagnetising field of the bulk material surrounding the cavity. The factor . is a purely geometric factor; for a sphere . = 4 π/3
Agility
发表于 2025-3-23 18:17:33
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euphoria
发表于 2025-3-24 02:00:16
,Other Experimental Proton σw Data,se have all been collected in the present chapter, to provide a basis for discussion of various pointsof detail regarding σ. in the chapters that follow. Unless noted to the contrary, experimental data have been recalculated using better susceptibility data, if such adjustment seemed warranted. In a
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发表于 2025-3-24 03:14:56
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Oratory
发表于 2025-3-24 06:41:23
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Forsake
发表于 2025-3-24 13:13:22
The Effects of Higher Order Dispersion Terms,of higher order dispersion terms. It should be realised, however, that even solvent . have higher order dispersion terms. Mohanty and Bernstein [.] have remarked that they tried to incorporate these effects but that they found no improvement. No details were given, but one may presume that only a ne
美食家
发表于 2025-3-24 17:22:09
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正式通知
发表于 2025-3-24 19:52:39
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骂人有污点
发表于 2025-3-25 00:31:09
,The Temperature Dependence of σw,lso effect the shift of an isolated molecule. Since .. is defined as σ. = .. - σ. - σ., not only must the bulk susceptibility term be calculated at the appropriate temperatures, but in addition .. must be considered. There is a special difficulty here, since until now it has been impossible to measu