Expansion during

Thermal Expansion. Coefficients of linear thermal expansion and linear expansion during transformation are listed in Table 7. The expansion coefficient of a-plutonium is exceptionally high for a metal, whereas those of 5- and 5 -plutonium are negative. The net linear increase in heating a polycrystalline rod of plutonium from room temperature to just below the melting point is 5.5%. 

Roslovskii, A. 1. And Zakaznov, V. F. 1971. Effect of Gas Expansion During Combustion on the Possibility of Using Flame Arresters. Combustion and Elame, 17, 215-221. 

I. Baudelot coolers (see Figures 7.7 and 7.8a). The evaporator stands above a collection tank, and the water runs down the outside surface in a thin layer. Evaporator construction can be pipe coils or embossed plates. The latter are now usually of stainless steel, to avoid corrosion troubles. Evaporators maybe flooded or dry expansion. During operation, a Baudelot cooler... 

The entropy changes ASa and ASB can be calculated from equation (2.69), which applies to the isothermal reversible expansion of ideal gas, since AS is independent of the path and the same result is obtained for the expansion during the spontaneous mixing process as during the controlled reversible expansion. Equation (2.69) gives... 

In Fig. 1.4a, an example of the radius-time curve for a stably pulsating bubble calculated by the modified Keller equation is shown for one acoustic cycle [43]. After the bubble expansion during the rarefaction phase of ultrasound, a bubble strongly collapses, which is the inertial or Rayleigh collapse. After the collapse, there is a bouncing radial motion of a bubble. In Fig. 1.4b, the calculated flux of OH... 

Boroomand F, Wessel E, Bausinger H, and Hilpert K. Correlation between defect chemistry and expansion during reduction of doped LaCr03 interconnects for SOFCs. Solid State Ionics 2000 129 251-258. 

The second theory is the Keele theory proposed by Plesch and Westermann [2, 4, 5] in which the propagation reaction is seen as a ring-expansion during which no free chain-end is formed ... 

The theory of inflation is an attempt to extend the Big Bang theory back as close as possible to zero time. The main hypothesis is a period of ultra-rapid expansion during the first fraction of a second. This expansion of space is induced by a negative pressure. With a change in the sign of the pressure, the world is turned upside down ... 

Guraya, H.S. and Toledo, R.T., Volume expansion during hot air puffing of a fat-free starch-based snack, ]. Food Sci., 59 (1994) 641-643. 

Carpita, N. C. In Physiology of Cell Expansion During Plant Growth Cosgrove, D. J. Knievel, D. P., Eds. American Society of Plant Physiologists Rockville, MD, 1987 p. 28. 

Molar Volume Change. With decrease in fluid density (expansion) during reaction the increased outflow of molecules from the pores makes it harder for reactants to diffuse into the pore, hence lowering /. On the other hand, volumetric contraction results in a net molar flow into the pore, hence increasing For a first-order reaction Thiele (1939) found that this flow simply shifted the S versus Mj curve as shown in Fig. 18.5. 

Rakic, P. (1995) A small step for the cell, a giant leap for mankind a hypothesis of neocortical expansion during evolution. Trends Neurosci 18 383-388. 

Therefore, passivation of the positive electrode by poorly conducting PbS04 can be reduced [348]. The porosity is important because it enables the expansion during the solid phase volume increase, which accompanies the transformation of Pb02 to PbS04. In the most popular construction, the electrode paste material (mixture of metallic lead with lead oxides) is held in a framework composed of lead alloys with additions of tin, antimony, selenium, and calcium [348]. Antimony improves the mechanical stability however, it increases the resistance and facilitates the selfdischarge of the battery. Better results are obtained for low antimony content and/or for lead-calcium alloys [203]. Methods of positive electrodes improvement, from the point of view of lead oxide technology have been discussed [350]. Influence of different factors on life cycle, nature, and composition of the positive active mass has been studied by Pavlov with coworkers [200, 351, 352]. 

Figure 11. Polystyrene expansion during irradiation in the absence of significant stress (<10 p.s.i.g.)...

An expansion during irradiation without stress can be calculated for comparison with the measured expansion by the following procedure. 

A regular maintenance schedule and proper storage of the pH electrode ensures proper performance, helps extend the life of the electrode, and avoids the cost of replacements. On a weekly basis the electrodes should be inspected for scratches, cracks, deposits, and membrane-junction deposits. The reference chamber of refillable electrodes should be drained, flushed with fresh filling solution, and refilled. (Note The chamber should only be filled to about 75 to 80% of capacity, to allow expansion during temperature change.) This maintenance procedure will keep the electrode ready to use and improve the lifetime of the electrode. A standard glass electrode in normal use can last for up to two years. 

Dispersive transport in PVC was investigated. The results of Pfister and Griffits obtained by the transit method are shown in Fig. 6. The hole current forms at temperatures > 400 K clearly show a bend corresponding to the transit time of the holes. At lower temperature the bend is not seen and transit time definition needs special methods. The pulse form shows the broad expansion during transition to the opposite electrodes. This expansion corresponds to the dispersive transport [15]. The super-linear dependence of the transit time versus sample thickness did not hold for pure PVC. This is in disagreement with the Scher-Montroll model. There are a lot of reasons for the discrepancy. One reason may be the influence of the system dimensions. It is quite possible that polymer chains define dimension limits on charge carrier transfer. 

Although it appears probable that there is no overall loss of wall polymers, except, perhaps, in the period just preceding full fruit-maturity, and that wall growth is continuous during cell expansion, there is almost certainly a turnover of wall polysaccharides, and the making and breaking of bonds to facilitate wall expansion during the maturation of fruits. The subject of the possible mechanism by which this wall expansion occurs is discussed in the Section that follows. 

We presented the theory as applied to ignition of a mixture at the closed end of a tube. Ignition at some distance from the closed end increases the amount of the substance which burns in unit time (since combustion will propagate in both directions from the point of ignition), and will accelerate the gas motion which depends on its expansion during combustion. And indeed, experiment shows some decrease in the distance at which detonation appears. 

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