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Determining bounds

Estimate the formation temperature at the corresponding depth and determine bound water resistivity using the equation [124]... [Pg.1051]

Suppose k = 2s and =0.8m /mol. Determine bounds on the yield for a reactor having t = 3 s and an inlet feed concentration of 2mol/m. Suppose the reactor in Problem 15.14 obeys the fractional tubularity model with Xp = 0.5. Use this information to calculate narrower bounds on the 5deld. [Pg.579]

An illustrative example is the work of Clark et al, on the conformation of poly(vinyl pyrrolidone) (PVP) adsorbed on silica 0). These authors determined bound fractions from magnetic resonance experiments. In one instance they added acetone to an aqueous solution of PVP in order to achieve theta conditions for this polymer. They expected to observe an increase in the bound fraction on the basis of solvency effects as predicted by all modern polymer adsorption theory (2-6), but found exactly the opposite effect. Their explanation was plausible, namely that acetone, with ability to adsorb strongly on silica due to its carbonyl group, would be able to partially displace the polymer by competing for the available surface sites. [Pg.54]

Functionality Measurement of Phenolated Lignin. It is important to have knowledge of the functionality of the phenolated lignin from the point of view of further chemical modification. The amount of bound phenol in the phenolysis reaction has been measured by titrating the phenol extracted from the reaction mixture (15). This indirect method measures the unreacted phenol and determines bound phenol as the difference between the initial charge and the titrated phenol. This is sometimes misleading. 1H NMR spectroscopy is another candidate for the determination of the amount of bound phenol. However, this calculation is difficult since the number of protons before and after the phenolysis reaction is unknown. [Pg.340]

Peluroside A was the first microtubule stabilizing agent whose conformation has been determined bound to microtubules (those of Paclitaxel and Epothilone were determined in non-microtubular tubulin [5, 12, 38, 91]). In the bound state, the NMR data, assisted by molecular mechanics calculations and docking experiments, indicated that only one (that present in water, B) of the two major conformations existing in water solution is bound to microtubules (a-tubulin). A model of the binding mode to tubulin has also been proposed [27], involving the a-tubulin monomer, in contrast with paclitaxel, which binds to the p-monomcr. [Pg.84]

In addition to its application as a tool for determining bound conformations of ligands, this method has also been used recently as a screening aid for the identification from mixtures of ligands that bind to a protein of interest. This application is addressed in more detail in Section 3.3. [Pg.138]

Examples of interaction of protein with both volatile and non-volatile flavor constituents are available. One example is the interaction between gelatin and several non-volatile flavor nucleotides 5 -GMP, 5 -IMP, 5 -AMP and 5 -CMP, Saint-Hilaire and Solms (2J equilibrated solutions of 5-90 mM nucleotide in 0.004 % gelatin at pH 6.5 and determined bound nucleotide by ultraviolet spectroscopy. They analyzed the results by use of the Scatchard equation ... [Pg.195]

A study aimed at determining bound shifts, association constants, and... [Pg.811]

E-selectin from a library of 10 compounds (178). As well as being used to detect binding, TrNOEs may also be used to determine bound ligand conformations, as described earlier in this chapter. [Pg.572]

Fig. 2 Flow scheme of the analytical procedure for determining bound residues... Fig. 2 Flow scheme of the analytical procedure for determining bound residues...
Determine bound radioactivity by liquid scintillation spectrophotometry. [Pg.160]

F. J. Witt and T. R. Mager, Procedures for Determining Bounding Values on the Fracture Toughness, ic, at Any Temperature, ORNL-TM-3894 (1972). [Pg.136]

Hashin and Shtrikman have determined bounds using basic elasticity energy theorems rather than stress and strain averaging and their predictions can be written in the form... [Pg.79]

Saturated steam, initially at 100°C, is to be completely condensed to liquid. Determine whether the condensation can be done (a) isothermally and isobarically and whether it can be done (b) adiabaticaUy. If either process is possible, determine bounds on the heat and work that would be required. At 100°C, 1.013 bar, saturated steam tables give the values in Table 7.1. [Pg.267]

A rapid technique for determining bound MAH content in maleated EPDM rubbers was established. It is based on the application of diffuse reflectance FTIR which permits the analysis of such products directly without any sample preparation other than removing unreacted monomer and initiator. The spectrum obtained also allows the evaluation of the rubber s relative oxidation extent. Baseline and band choices as well as calculation methods required are discussed. 12 refs. [Pg.114]

In the 1980s and 1990s, further developments in elastic-plastic fracture mechanics allowed the use of WeibuU statistics (Landes and Shaffer, 1980), specimen size adjustments and a universal-shape Master Curve (Wallin, 1984) to determine bounding curves with small specimens, discussed in Section 10.3. The Master Curve development by Wallin (1984) is discussed in more detail in Section 10.3.4. [Pg.300]

The problem of determining bounds of e for n qubits, is rather complicated. A general Peres criterium can be obtained for n qubits, but since its applicability is restricted to a small number of qubits, it cannot be used to analyze NMR entanglement and the scaling problem. An alternative and more general analysis was made by Braunstein and co-workers in 1999 [1]. They found that a n-qubit pseudo-entangled state will be separable for... [Pg.210]

Active immobilized enzyme determination of heat changes in the proximity of immobilized enzymes with an enzyme thermistor, and the use of an enzyme thermistor in assays for metabolites Active immobilized enzyme Active immobilized enzyme spectro-photometric methods for determining bound protein... [Pg.493]

Oxidation with osmium tetroxide has been used as the basis for a method of determining bound butadiene in acrylonitrile - butadiene - styrene terpolymers. ... [Pg.101]

This infrared spectroscopic procedure determines bound ethylene in propylene rich ethylene copolymers in amounts down to 0.1%. [Pg.408]

This infrared spectroscopic method is capable of determining bound styrene units in styrenated alkyl resins in amounts down to 1%. [Pg.411]


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See also in sourсe #XX -- [ Pg.210 ]




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