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PowerPoint 簡報
PowerPoint 簡報

www.osa-opn.org 24 | OPN October 2008 Two positively charged
www.osa-opn.org 24 | OPN October 2008 Two positively charged

... purely quantum mechanical process. The time between ionization and re-collision is only a femtosecond or two. This re-collision electron wave packet can do one of three things. Each implies a direction in attosecond science. First, the electron can elastically scatter. Elastic scattering is diffract ...
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... second order dispersions and 1  2 are losses of each wave. Each NLSE Eq. (2) or Eq. (3) has dispersion term, self-phase modulation (SPM) term, cross-phase modulation (XPM) term and gain term. However, now in parametric amplifiers the gain is from the conjugation of other pulses through wave-mixing ...
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Chem 4631 - UNT Chemistry

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Optical probing of spin fluctuations of a single paramagnetic Mn

... valence-band mixing. However, the dark excitons mainly contribute to the signal by undergoing a spin flip to become bright excitons, which decay radiatively. The PL decay is then determined by both radiative decay and exciton spin flips. The exciton decay, and particularly the amplitude of the slow ...
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Department of Chemistry

... Fundamentals of analytical separations; distribution methods in discrete stages; methods in continuous stages; chromatographic methods: GC, HPLC, SFC; non-chromatographic methods: electrophoresis, field-flow fractionation, size exclusion; recent innovations. Designed for the Master’s Degree Programs ...
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Thermodynamics of Micelle Formation

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Coordination properties of the diethyl (pyridin-3-ylmethyl)phosphonate ligand (3-pmpe)

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Hyperfine structure in photoassociative spectra of 6Li2

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Acceleration of ultracold atoms: towards a measurement of

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Section 8.4 Molecular Shapes VSEPR Model • The shape of a

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Two-dimensional nuclear magnetic resonance spectroscopy

Two-dimensional nuclear magnetic resonance spectroscopy (2D NMR) is a set of nuclear magnetic resonance spectroscopy (NMR) methods which give data plotted in a space defined by two frequency axes rather than one. Types of 2D NMR include correlation spectroscopy (COSY), J-spectroscopy, exchange spectroscopy (EXSY), and nuclear Overhauser effect spectroscopy (NOESY). Two-dimensional NMR spectra provide more information about a molecule than one-dimensional NMR spectra and are especially useful in determining the structure of a molecule, particularly for molecules that are too complicated to work with using one-dimensional NMR.The first two-dimensional experiment, COSY, was proposed by Jean Jeener, a professor at the Université Libre de Bruxelles, in 1971. This experiment was later implemented by Walter P. Aue, Enrico Bartholdi and Richard R. Ernst, who published their work in 1976.
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