Keeler

Results: 166



#Item
121Spectroscopy / Quantum mechanics / Wave mechanics / Magnetic resonance imaging / Two-dimensional nuclear magnetic resonance spectroscopy / Relaxation / Spin echo / Spin / Phase / Physics / Nuclear magnetic resonance / Scientific method

Introduction and outline 55th Experimental Nuclear Magnetic Resonance Conference Boston, 2014 The Basic Building Blocks

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Source URL: www-keeler.ch.cam.ac.uk

Language: English - Date: 2014-03-25 14:42:09
122Quantum mechanics / Wave mechanics / Cell cycle / Two-dimensional nuclear magnetic resonance spectroscopy / Relaxation / Coherence / S phase / Cyclin / Spin echo / Physics / Nuclear magnetic resonance / Spectroscopy

Coherence selection: phase cycling and gradient pulses – problems and exercises The more difficult and challenging problems are marked with an asterisk, * 1. (a) Show, using vector diagrams like those of section 4.1.6,

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Source URL: www-keeler.ch.cam.ac.uk

Language: English - Date: 2001-02-01 13:56:09
123Spectroscopy / Science / Wave mechanics / Two-dimensional nuclear magnetic resonance spectroscopy / Phase / Magnetic resonance imaging / Complex number / Three-phase / Fourier transform / Physics / Nuclear magnetic resonance / Mathematical analysis

4. Coherence Selection: Phase Cycling and Gradient Pulses 4.1 Introduction The pulse sequence used in an NMR experiment is carefully designed to produce a particular outcome. For example, we may wish to pass the spins

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Source URL: www-keeler.ch.cam.ac.uk

Language: English - Date: 2002-07-23 07:32:09
124Philosophy of physics / Theoretical physics / Operator / Superoperator / Μ operator / Density matrix / Integral transform / Itō diffusion / Rotation operator / Physics / Quantum mechanics / Operator theory

Further relaxation 6.1 Introduction As presented so far, the theory is capable of predicting the rate of transitions between energy levels i.e. it is concerned with populations. The theory is thus perfectly acceptable fo

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Source URL: www-keeler.ch.cam.ac.uk

Language: English - Date: 2003-08-09 07:58:40
125Science / Magnetic resonance imaging / Relaxation / Chemical equilibrium / Magnetization / Bloch equations / Spin–lattice relaxation / Chemistry / Physics / Nuclear magnetic resonance

5. Relaxation Relaxation is the process by which the spins in the sample come to equilibrium with the surroundings. At a practical level, the rate of relaxation determines how fast an experiment can be repeated, so it is

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Source URL: www-keeler.ch.cam.ac.uk

Language: English - Date: 2003-08-09 07:17:10
126Physics / Scientific method / Fourier analysis / Magnetic resonance imaging / Two-dimensional nuclear magnetic resonance spectroscopy / Integral transforms / Fourier transform / Magnetization transfer / Trigonometric functions / Mathematical analysis / Nuclear magnetic resonance / Spectroscopy

3 Basic concepts for two-dimensional NMR  ,QWURGXFWLRQ The basic ideas of two-dimensional NMR will be introduced by reference to the appearance of a COSY spectrum; later in this lecture the product operator formalism

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Source URL: www-keeler.ch.cam.ac.uk

Language: English - Date: 2001-02-01 13:56:09
127Scientific method / Relaxation / Science / Spin–lattice relaxation / Magnetization / Magnetic ordering / Physics / Magnetic resonance imaging / Nuclear magnetic resonance

8 Relaxation† Relaxation is the process by which the spins in the sample come to equilibrium with the surroundings. At a practical level, the rate of relaxation determines how fast an experiment can be repeated, so it

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Source URL: www-keeler.ch.cam.ac.uk

Language: English - Date: 2004-02-24 13:18:12
128Mathematics / Integral transforms / Unitary operators / Joseph Fourier / Time series analysis / Fourier transform / Nuclear magnetic resonance / Matched filter / Free induction decay / Mathematical analysis / Fourier analysis / Signal processing

4 Fourier transformation and data processing In the previous chapter we have seen how the precessing magnetization can

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Source URL: www-keeler.ch.cam.ac.uk

Language: English - Date: 2004-02-24 12:31:13
129Quantum mechanics / Magnetic resonance imaging / Fourier transform / Coherence / Phase detector / Phase / Modulation / Pulse sequence / Gradient enhanced NMR spectroscopy / Physics / Nuclear magnetic resonance / Wave mechanics

4 Coherence Selection: Phase Cycling and Gradient Pulses  ,QWURGXFWLRQ A multiple-pulse NMR experiment is designed to manipulate the spins in a certain carefully defined way so as to produce a particular spectrum. H

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Source URL: www-keeler.ch.cam.ac.uk

Language: English - Date: 2001-02-01 13:56:10
130Spin / Angular momentum / Nuclear magnetic resonance / Rotation operator / Pulsed EPR / Physics / Rotational symmetry / Rotation

2 Product Operators The product operator formalism is a complete and rigorous quantum mechanical description of NMR experiments; the formalism is a version of density matrix theory and is well suited to calculating the o

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Source URL: www-keeler.ch.cam.ac.uk

Language: English - Date: 2001-02-01 13:56:10
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