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Additives distribution

Wootthikanokkhan and Clythong have studied the effects of additive distribution and its effect on the distribution of cross-link density in NR-acrylic rubber (AR) blends [38]. The formulations of the four blends is given in Table 11.15. [Pg.324]

Implicit estimation offers the opportunity to avoid the computationally demanding state estimation by formulating a suitable optimality criterion. The penalty one pays is that additional distributional assumptions must be made. Implicit formulation is based on residuals that are implicit functions of the state variables as opposed to the explicit estimation where the residuals are the errors in the state variables. The assumptions that are made are the following ... [Pg.234]

Additional Distributions of Elements in Unicellular Eukaryote Compartments the Eukaryote Metallome and the Advantages of Compartmentalised... [Pg.277]

Additional distribution criteria are used for sparger grids. To keep the pipe header pressure drop down to acceptable levels and to ensure good gas distribution, the following criteria (Karri, 1990) should be met ... [Pg.218]

In the graph now an additional distribution of values is shown where we have only a low probability (black end of the distribution) to get a signal below the critical value. Now the probabilities for both error types are low and we can accept the mean of this population as LoD. [Pg.196]

The KS limits make no distributional assumptions, but they do require that the samples are independent and identically distributed. Additional distributional assumptions can be made that could tighten the KS limits. For instance, assuming the nnderlying distribntion from which the samples came is normal yields a much tighter p-box. In practice, the assnmption abont independence of the individual samples may sometimes be hard to justify, such as when contamination hotspots are the focns of targeted sampling efforts. Techniqnes to account for nonrandom sampling are a topic of cnrrent research. [Pg.110]

In the plating process it is essential to guarantee a homogenous blending besides homogenous addition/distribution of the liquid material. The liquid feeding can be carried out by inlet lances, injectors or nozzles, while agglomeration of the plated powder material has to be suppressed by a chopper or cutter. [Pg.483]

If we were to provide the rotor with additional distributing elements, as in design B, a more efficient film formation would occur and... [Pg.66]

Complex towers. Interreboilers, intercondensers, cooling coils, and side drawoffs are more easily incorporated in trays than in packed towers. In packed towers, every complexity requires additional distribution and/or liquid collection equipment. [Pg.81]

These operations will be very expensive since postage alone costs 4 Marks per copy. Therefore I need your support. By ordering a copy of the Expert Report, you will be helping help me to distribute this irrefutable scientific document. Additional contributions will enable additional distribution. I am counting on your help. [Pg.355]

Nearly 160,000 miles of high-voltage electrical transmission lines in the United States carry power from power stations to load centers (Edison Electric Institute, 2002). In addition, distribution lines carry the power from substations to end users. The electrical power system is fundamentally different from the liquid or gaseous fuel supply systems, which involve fluid flows that are relatively easy to direct and control. Electric power flow, which is dictated by complex physics principles, can often be difficult to control. [Pg.213]

Experimental values range 1.06-1.39. Distribution coefficient data for dilute solute concentrations have been compiled by Trey-bal in Perry s Handbook. A sampling of the data presented by Treybal and additional distribution coefficient data are given in Table 14.1. [Pg.486]

Rational methods are based on experimental evidence that the effect of single amino acid substitutions on protein stability can be well approximated as additive, distributed, and large independent interactions. Moreover, by comparison of homologous enzymes from thermophilic and nonthermophilic microorganisms, it is known that introduction of disulfide bridges as well as increased numbers of proline residues increase protein stability. [Pg.152]

Fig. 18 Maximum entropy method (MEM) analysis of PF2/6 and PF/FLx copolymers. For PF2/6 only a narrow distribution is observed at 360 ps. For PF/FLx copolymers, together with the distribution 60 ps, two additional distributions are observed around 20 and lOOps... Fig. 18 Maximum entropy method (MEM) analysis of PF2/6 and PF/FLx copolymers. For PF2/6 only a narrow distribution is observed at 360 ps. For PF/FLx copolymers, together with the distribution 60 ps, two additional distributions are observed around 20 and lOOps...
From the analysis of microphotoes it follows that introduction of hexaazocyclanes does not disturb uniformity of polymer structure that shows good solubility of hexaazocyclanes in PETP melt. On the basis of the technique [167, 296] according to microphotoes there has been performed calculation of heterogeneous embedding of additives into fibre which gives the value 125 units per kilogram, which is lower than 300 units per kg permissible by State standard. This shows the uniformity of additive distribution in polymer. [Pg.126]

The chain extension modifier reacts completely already in the first processing step based on optimised additive properties. The melt viscosity increases to a high level after the first processing step and decreases just parallel to the standard polyamide later on (Fig. 7). For practical applications most additives could never be used without problems in reproducibility and uncontrollable cross-linking reactions because these compounds have a too high activity and the reaction rate is faster than the proper additive distribution in the melt. Therefore, the practical value of these commercial additives was limited and still is. With a lowering of the reaction rate and improvement of the distribution properties during reactive extmsion a controlled polyamide chain extension could be realised. The attained levels of melt viscosity are quite stable also under multi-extmsion conditions. [Pg.176]

Intramuscular Injection. Injections can be administered to fish with similar potential for back diffusion. In addition distribution from these sites can be very slow especially at lower temperatures. [Pg.109]

Obviously, the current near the edge will always be larger than that at the center due to the terminal effect, disregarding here all other sources for non-uniformity ( e.g. cell configuration and additives distribution). In order to minimize this variation, the seed resistivity, Rjeed, must be minimized (requiring a thicker seed) and the electrolyte resistance should be maximized. This latter approach has been adapted here. [Pg.31]

Additive and impurity rejection at the growing crystal front leads to uneven distribution in a crystalline polymer. This redistribution process has been studied by UV and fluorescence microscopy and by an electron microscope with energy dispersive x-ray analysis. In polymer samples which are quenched after rapid crystallization, the additive distribution is kinetically determined and may be modeled in a computer as a three-dimensional zone-refining process. In annealed polymer samples, low molecular weight additives are uniformly concentrated in the amorphous phase. The additive distribution reflects that of crystalline material within the polymer. Antioxidant and uv stabilzer redistribution probably does not have a major effect on polymer stability, but the redistribution of partially oxidized, impure polymer may be important... [Pg.266]

As shown by Price (6), rejected noncrystallizable impurities will be pushed ahead of the growing spherulite as a wave, leaving a lower concentration within the spherulite than in the original melt. Frank and Lehner (8) and Curson (9) have used UV transmission microscopy to observe additive distributions in crystalline polyolefins. This method can be used to observe the redistribution process in action by quenching partially crystallized polypropylene to freeze the additive concentrations... [Pg.267]


See other pages where Additives distribution is mentioned: [Pg.552]    [Pg.132]    [Pg.332]    [Pg.571]    [Pg.22]    [Pg.8]    [Pg.103]    [Pg.123]    [Pg.307]    [Pg.36]    [Pg.15]    [Pg.240]    [Pg.119]    [Pg.205]    [Pg.255]    [Pg.642]    [Pg.699]    [Pg.667]    [Pg.1012]    [Pg.246]    [Pg.177]    [Pg.28]    [Pg.29]    [Pg.501]    [Pg.272]   
See also in sourсe #XX -- [ Pg.158 ]




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