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Composite characterization values

In Ref. 9, no structural or compositional characterization was given CU2S was assumed. The films were not uniform and did not adhere to the substrates. The high values of resistivity are unusual for this material it may be that 10 -10 was intended. [Pg.238]

Hydrocarbon-type Characterization. Table I lists the four fractions, their wt % of the syncrude, and their hydrocarbon-type compositions. The values for polar material for the two naphthas and the light oil are estimates based on their nitrogen contents. The polar material value for the heavy oil is based on the recovered weights from the Florisil separa-... [Pg.8]

As was mentioned earlier, the strength of the inherent tendency to transform, and with it the numerical value of p, fundamentally depends upon the nature of the substance. In this context, we see the nature of a substance being determined by its chemical composition, characterized by its content formula, but also by its state of aggregation, its crystalline stmcture, etc. Hence, liquid water and water vapor as well as diamond and graphite will exhibit different chemical potentials under otherwise identical conditions and therefore need to be treated as different substances. In addition, the strength of the tendency to transform also depends upon the milieu in which the substance is located. By milieu we mean the totality of parameters such as temperature T, pressure p, concentration c, the type of solvent S, type and proportions of constituents of a mixmre, etc., which are necessary to clearly characterize the environment of B. In order to express these relations, we may write... [Pg.97]

Therefore, the higher metal atom stmcture adaptabihty, included in oxide composition, characterized by value is, the higher its catalytic activity, characterized by value is. At minimum value A = 0.232 (Aj= 0.232) according to the... [Pg.314]

As it is shown above, the more is the adaptivity of the metal atom structure, included in oxide composition, characterized by the value the higher is its catalytic activity, characterized by the value k. Let s note, that in paper [26] [t]] increase at growth was obtained. Therefore in Fig. 11 the correlation between the intrinsic viscosity [t ] for PBT and the value in case of using the six metal oxides, indicated above, is adduced. As one can see, that approximately linear correlation is obtained demonstrating [p] growth at increase. This correlation can be described analytically by the following empirical equation [37] ... [Pg.320]

The separation factor is therefore a direct measure of the separation efficiency of a separation unit or the whole process, and is thus of practical importance. It is usually dependent on pressure, temperature, and phase composition. Large values for the separation factor characterize a process whith a low separation effort. The more a approaches unity, the more difficult the separation. When a = 1 separation is impossible. [Pg.67]

Figure 2 of Section 5.9 presents the dependence of the correlation time for isotropic and oriented (2=4) samples on the blend compositions. The value of t characterizes the molecular mobility of macrochains in an amorphous phase. [Pg.152]

It is important to note that this is one of the very few cases where donor monomer-MA charge-transfer complexes are well characterized (Table 10.18), beyond composition, K value, and copolymerization effects. [Pg.401]

As we have mentioned, the particular characterization task considered in this work is to determine attenuation in composite materials. At our hand we have a data acquisition system that can provide us with data from both PE and TT testing. The approach is to treat the attenuation problem as a multivariable regression problem where our target values, y , are the measured attenuation values (at different locations n) and where our input data are the (preprocessed) PE data vectors, u . The problem is to find a function iy = /(ii ), such that i), za jy, based on measured data, the so called training data. [Pg.887]

This equation relates the composition of the copolymer formed to the instantaneous composition of the feedstock and to the parameters rj and r2 which characterize the specific system. Figure 7.1 shows a plot of Fj versus fj-the mole fractions of component 1 in the copolymer and monomer mixture, respec-tively-for several arbitrary values of the parameters rj and r2. Inspection of Fig. 7.1 brings out the following points ... [Pg.428]

Blending behavior of a binary mixture may be characterized by a linear blending value (LBV). Figure 4 shows the response curve of a hypothetical two-component mixture. The LBV for each of the components at any composition is defined by the tangent at that point according to the formula. [Pg.188]

In order to operate a process facility in a safe and efficient manner, it is essential to be able to control the process at a desired state or sequence of states. This goal is usually achieved by implementing control strategies on a broad array of hardware and software. The state of a process is characterized by specific values for a relevant set of variables, eg, temperatures, flows, pressures, compositions, etc. Both external and internal conditions, classified as uncontrollable or controllable, affect the state. Controllable conditions may be further classified as controlled, manipulated, or not controlled. Excellent overviews of the basic concepts of process control are available (1 6). [Pg.60]


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Characterization compositional

Composite characterization

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