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1 Feb 2001: 4–1. 4 Coherence Selection: Phase Cycling and Gradient Pulses. A multiple-pulse NMR experiment is designed to manipulate the spins in a certain carefully defined way so as to produce a particular spectrum. However, a given pulse sequence usually

1 Feb 2001: 4–1. 4 Coherence Selection: Phase Cycling and Gradient Pulses. A multiple-pulse NMR experiment is designed to manipulate the spins in a certain carefully defined way so as to produce a particular spectrum. However, a given pulse sequence usually

1 Feb 2001: 3–1. 3 Basic concepts fortwo-dimensional NMR. ,QWURGXFWLRQ. The basic ideas of two-dimensional NMR will be introduced by reference tothe appearance of a COSY spectrum; later in this lecture the productoperator formalism will be used to predict the

1 Feb 2001: These details aresummarized in the diagram below. 2 J122 J1213 24 12 34. ... 1–24. The corresponding equation for cβ is found by left multiplying by 〈β|.

1 Feb 2001: 3–1. 3 Basic concepts fortwo-dimensional NMR. ,QWURGXFWLRQ. The basic ideas of two-dimensional NMR will be introduced by reference to theappearance of a COSY spectrum; later in this lecture the product operatorformalism will be used to predict the

1 Feb 2001: These details are summarized in thediagram below. 2 J122 J1213 24 12 34. ... 1–24. 1.6.1.2 Ensemble averages; bulk magnetization. In order to compute, say, the x-magnetization from the whole sample, it isnecessary to add up the individual contributions

6 Feb 2001: b = 2 (15 6) 24 = 204 (4). Substituting Equations 3 and 4 into Equation 1 we obtain. ... 1.32. 1.29. (b). 1.48 1.24 1.24. 1.52 1.52. 3.020.43 1.40 1.40.

7 Feb 2001: 24. Welbourn, D.B., 'Gear Errors and Their Resultant Noise Spectra', Inst.

7 Feb 2001: The Engineering Department started the academic year 1938/39 ( i.e. the last year before WWII ) with 575 undergraduates, none of whom were women, 12 research students, 2 professors and 24

15 Feb 2001: NAME: mkhtml_gif PURPOSE: this program makes an htmlpage with all the little gif images in each color (i,z,r,g,u,h,and xray 25,52,24,41) from