N variations

Chambers A and B are separated by an elastic rubber membrane whose motion in response to pressure differences is transmitted to the needle N. Variations in the pressure difference can then be followed by observing the displacement of the point of the needle. Initially chamber A and the capillary are filled to the desired pressure by opening cocks and C, ... 

Fig.2.n. Variation in threshold intensity with frequency (a) aerated water (b) air free water. 

In Fig. 3 the pressure and concentration (n) variations in the wave are shown. The diffuse structure in this case may be explained qualitatively by the fact that the high-frequency waves necessary to generate a steep front propagate with a speed greater than D and, moving forward away from the wave, are damped (absorbed). As Einstein showed, waves with an oscillation period less than t decrease in amplitude by e times at a distance of order cr. 

Heng, CK, Low, PS, Saha, N. Variations in the promoter region of the apolipoprotein A-I gene influence plasma lipoprotein(a) levels in Asian Indian neonates from Singapore. Pediatr. Res. 2001, 49 514—518. 

To probe the 1/N dependence in the slope F, experiments were carried out on model end-linked networks with different precursor chain lengths (average molecular weight Mn varying from 3100 to 23000 g.mol 1) [55, 56]. As expected, the slope F decreases when N increases. However, it does not follow a 1/N variation F varies only by a factor of about 3 as N varies by a factor of 7. In an end-linked network, N should not be simply assimilated with the length of precursor chains, since trapped entanglements may play the role of effective crosslinks (often denoted as physical crosslinks), in addition to chemical... 

Table n. Variation of Normalized Hydrocarbon Product Distribution at 350 °C as a Function of [H20]/[C2H2] Ratio All Other Reaction Variables Held Constant... 

Allotropism, A116t -ropy, n. Variation in the physical properties assumed by some elements, especially sulphur, phosphorus, and carbon. 

Rau, G. H., Arthur, M. A., and Dean, W. E. (1987). N/ N variations in cretaceous Atlantic sedimentary sequences Imphcation for past changes in marine nitrogen biogeochemistry. Earth Planet. Sci. Lett. 82, 269—279. 

What happens when Tt > 423K (figure 2-b) For Tt = 523K (2.25 H2O/C02+) the 5-N variation begins to depart from linearity at low xenon concentration and... 

C) results in high frequency xenon chemical shift from NaX.This 5 = f (N ) variation has the classical form for zeolite -supported metals 8 which is high at low N ( strong metal - Xenon interaction ), decreases as N increases, due to rapid site exchange, then a new increase in 5 when the Xe - Xe interactions become sufficiently important. The very low xenon adsorption of this sample shows that the zeolite lost most of its crystallinity. However, it is known [ 11 ] that the decationized type X,lose their crystallinty after reduction at 300°C. The chemical shift observed in this case is due to the adsorption of xenon on the metal silver particles in a defect structure. 

Figures 5 and 6 show the 8 - N variation in the case of LaY and CeY zeolites. When the water concentration is high the rare earth cations are surrounded by water molecules which prevent any strong interaction with Xe atoms 5 therefore varies linearly with N. When 150 < < 200, that is when Ji La goes from 2 to 1, ( Q re is...

The effects of systematic errors are best studied by analyses of accurate Burnett data with superimposed simulated errors. For a relative pressure offset of 0.003%, which is comparable with the accuracy of piston gauges, the ethylene second virial coefficient of —167 cm3/mol changes only by 0.02 cm3/mol. Thus, this type of error is largely cancelled in the Burnett method. An offset in N of 11 ppm, which is comparable with the N variation we expect, changes the same second virial coefficient by 0.1 cm3/mol. Errors resulting from truncation of the series... 

In the case of fixing the volume we face the situation of a virtual process. Even when the volume is fixed, basically we could change the volume. However, we must have some previous knowledge on how the function p(5, V, n) looks like. There is one way to get the fundamental equation U(S, V, n) purely via theoretical considerations. But in order to measure C/(5, y, n), variations of the respective extensive variables are necessary. 

Comprehensive compilations ofiS N variations in nature can be found in Kaplan, (1983), Owens (1987) and Hoefs (1997) Meyers Lallier-Verges, (1999) provide a brief review of variations in lakes. Ligure 1 shows typical (but not unique) S values for the major N pools that may influence an idealised lake. The range of known values is very large, in excess of l(X)%c (Owens, 1987 Wada Hattori, 1991 Kendall, 1998), but generally lies between -5 and +20%o (Owens, 1987). Values outside these limits tend to occur in unusual circumstances or rather extreme environments such as Antarctic or alkaline lakes (e.g., Wada et al., 1991). One reason for the relatively limited range of common values... 

Sheariness n. Variation in gloss or sheen on a paint surface, which should have been uniform in this respect. This variation is due to differences in film thickness. 

Yarn dyeing differences n. Variations in take-up of dyes by yarns, resulting in streaks in finished fabrics. 

Fig. n Variation in the WP shape during ECM. The time after the machining... 

Any number of variates may be used, though Interpretation becomes more difficult as the number of variates Increases. In general, n variates will give rise to n principal components and as n Increases from unity, the proportion of the total variance represented by the nth component decreases. 

Figure 2.204 5 N variations in natural compounds (5 N Air courtesy IAEA).

Kun] Kunitskiy, Yu.A., Nemirovskiy, A.V., Korzhik, V.N., Variation of the Local Magnetic Parameters in Cast Amorphous and Sputtered Alloys Fe4oNi4oB2o after Mechanical and Heat Treatment , Phys. Met. Metall, 65(2), 78-84 (1988), translatedfiomFiz. Metal Metalloved., 65(2), 295-301, (1988) (Crys. Stracture, Experimental, Magn. Prop., Thermodyn., 14)... 

---