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2 Apr 2007: However, if sensitivity is low, the flip angle can be increased up to 20 degrees.

26 Jun 2003: greater than the width of the normal spectrum. For the spectra shown here the range was 20.

5 Mar 2002: Such spectra have proved to beenormously useful in structure determination, and are responsible for the ex-plosive growth of NMR over the past 20 years or so.

7 Aug 2003: The swept-frequency pulses were adiabatic 1808 CHIRPpulses;[10] the frequency was swept through 20 kHz in tf = 50 ms(except for the TOCSY pulse sequence, where the frequency wasswept through ... Delays of 43.5 ms for the z-COSY experiment and 20 ms for

26 Aug 2011: 1. Coherence order and coherence selection. James Keeler. EUROMAR 2011. Department of Chemistry. Outline• Why we need coherence selection• Concept of coherence order• Coherence transfer pathways (CTPs)• Selecting a CTP with phase cycling•

24 Feb 2004: Such spectra have proved to beenormously useful in structure determination, and are responsible for the ex-plosive growth of NMR over the past 20 years or so.

17 Sep 2007: b). (c). (d). 20 15 11 16 {15,16}. 81 {2,5} 7. ... ntal details: the J-spectrum was recorded at 500 MHz for protons, with 36uncated at 1% [20]; the accompanying gradient had a strength of 3% of theere 20 kHz and 100

26 Jun 2014: nt. time. Mz = 20 Mz = 16 Mz = 12 Mz = 0How relaxation arises 7. ... b2 120 j(0)︸ ︷︷ ︸W0. = b2 310 2τc b21. 20 2τc= 12 b.

7 Aug 2003: Thrippleton, N. M. Loening and J. Keeler. 0. 5. 10. D /. 101. 0 m. 2 s1. 15. 20. 25. 1 2 3 9 5 6 7 8 4. ... EXPERIMENTAL. MaterialsThe sample was prepared by the addition of camphene(15 mg) and

25 Mar 2014: cos (τ) sin (τ)Îy sin (τ) sin (τ)Îx Îx Spin echoes 20.

5 Mar 2002: d 30 transferred to 20, 30 and 60. e 30 and 60 transferred to 30 and 60.

5 Mar 2002: 2. = 20 log10(. ωnew1 /2π. ωinit1 /2π. ). This expression can be used to find the correct setting for the attenuator.As the duration of a pulse of a given flip angle ... power ratio in dB = 20 log10(. τinit. τnew. ). For example, suppose we have

7 Oct 2003: natural Xenon, Phys. Rev. 121 (1961) 20–25. [6] R.J. Kurland, R.G.

24 Feb 2004: 2. = 20 log10. (ωnew1 /2π. ωinit1 /2π. ). This expression can be used to find the correct setting for the attenuator.As the duration of a pulse of a given flip angle ... power ratio in dB = 20 log10. (τinitτnew. ). For example, suppose we have

1 Feb 2001: Thesecan be very labour saving. 2–20. 0XOWLSOHTXDQWXPFRKHUHQFH. 2.9.1 Multiple-quantum terms. In the product operator representation of multiple quantum coherences it isusual to distinguish between active and passive

1 Feb 2001: 1–20. 1.4.2 Pulses. In NMR the nuclear spin magnetization is manipulated by applying a magneticfield which is (a) transverse to the static magnetic field i.e.

9 Jan 2007: 10 and 20.This analysis assumes that each population term that is present immediately after the first β. ... For example, increasing them from 10 to 20 increases the signal-to-noise ratio by a factor ofalmost 4.

24 Feb 2004: interpretation of thispeak is that a signal was present during t1 which evolved with a frequencyof 20 Hz. ... Finally, consider the spectrum shown in c. Here there are two peaks, oneat F 1 = 20 Hz, F2 = 80 Hz and one at F 1 = 20 Hz, F2 = 20 Hz.

12 Mar 2002: 8–20. For this spectral density function, the maximum contribution at frequency ωis found when τc is 1/ω; this has important consequences which are described inthe next section.

24 Feb 2004: 8–20. At very short correlation times (τc << 1/ω0) there is some spectral densityat the Larmor frequency, but not that much as the energy of the motion isspread over a