<difference-title>
m |
m |
||
| Ligne 1 : | Ligne 1 : | ||
| − | + | 33, together with the ... We assume that the Q dependence of the scattering is separable from the azimuthal dependence, so that we may write the intensity as where �� is the azimuthal angle relative to the normal to the bedding plane. This approximation is reasonable provided that the Q dependence does not change over the Q range considered. This allows the possibility of elliptically averaging the data (Reynolds & Mildner, 1984 ?). Fig. 3 ? illustrates the anisotropy by showing the scattering intensity for the perpendicular-cut sample at Q = 0.02???1 as a function of azimuthal angle. In the �� = 0 (or Z) direction, I Z(Q) = A Z Q ?n ? anQ ?n, and in the �� = ��/2 (or Y) direction, I Y(Q) = A Y Q ?n ? bnQ ?n. The factor a/b corresponds to the ratio of the long (�� = 0) and short (�� = ��/2) semi-axes of the isointensity contours. Also, since A Z/A Y = (a/b)n, shifting [http://en.wikipedia.org/wiki/Thymidine_kinase Thymidine kinase] the values of the coordinate Q to (b/a)Q for the Z data allows all three measurements to be made coincident. Alternatively, Fig.?4 ? shows that the same result can be obtained by multiplying the intensity values for the Z plot by (b/a)n. (A similar relationship will be used in the analysis of the smeared USANS data.) Figure 3 The scattered intensity at [http://www.selleckchem.com/products/sch-900776.html click here] Q = 0.02???1 as a function of azimuth when (a) the sample is cut parallel to the bedding with scattering in the XY plane, and (b) the sample is cut perpendicular to the bedding with scattering in the ... Figure 4 A schematic diagram showing intensity I versus Q for the Y and Z measurements, indicating that the two curves [http://www.selleckchem.com/products/AC-220.html Selleckchem Quizartinib] can be made coincident either (i) by multiplying the Q coordinate for the Z data by b/a or (ii) by multiplying the Z intensity values by (b/ ... From the fitted parameters given in Table 1 ?, we find the value of A Z/A Y = 6.3?(10) (all quoted uncertainties and error bars are one standard deviation). Assuming n = 3.33?(4), this indicates that the ratio a/b of the elliptical contours has a mean value for a/b = (A Z/A Y)1/n = 1.76?(2). In addition, Fig. 5 ? shows the ratio of the long- to short-axis intensities as a function of Q in the range 1 �� 10?3 | |
Version du 15 décembre 2016 à 21:47
33, together with the ... We assume that the Q dependence of the scattering is separable from the azimuthal dependence, so that we may write the intensity as where �� is the azimuthal angle relative to the normal to the bedding plane. This approximation is reasonable provided that the Q dependence does not change over the Q range considered. This allows the possibility of elliptically averaging the data (Reynolds & Mildner, 1984 ?). Fig. 3 ? illustrates the anisotropy by showing the scattering intensity for the perpendicular-cut sample at Q = 0.02???1 as a function of azimuthal angle. In the �� = 0 (or Z) direction, I Z(Q) = A Z Q ?n ? anQ ?n, and in the �� = ��/2 (or Y) direction, I Y(Q) = A Y Q ?n ? bnQ ?n. The factor a/b corresponds to the ratio of the long (�� = 0) and short (�� = ��/2) semi-axes of the isointensity contours. Also, since A Z/A Y = (a/b)n, shifting Thymidine kinase the values of the coordinate Q to (b/a)Q for the Z data allows all three measurements to be made coincident. Alternatively, Fig.?4 ? shows that the same result can be obtained by multiplying the intensity values for the Z plot by (b/a)n. (A similar relationship will be used in the analysis of the smeared USANS data.) Figure 3 The scattered intensity at click here Q = 0.02???1 as a function of azimuth when (a) the sample is cut parallel to the bedding with scattering in the XY plane, and (b) the sample is cut perpendicular to the bedding with scattering in the ... Figure 4 A schematic diagram showing intensity I versus Q for the Y and Z measurements, indicating that the two curves Selleckchem Quizartinib can be made coincident either (i) by multiplying the Q coordinate for the Z data by b/a or (ii) by multiplying the Z intensity values by (b/ ... From the fitted parameters given in Table 1 ?, we find the value of A Z/A Y = 6.3?(10) (all quoted uncertainties and error bars are one standard deviation). Assuming n = 3.33?(4), this indicates that the ratio a/b of the elliptical contours has a mean value for a/b = (A Z/A Y)1/n = 1.76?(2). In addition, Fig. 5 ? shows the ratio of the long- to short-axis intensities as a function of Q in the range 1 �� 10?3
