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Data effect

The influence of the composition of asphalt has been recognized, for many years, as being an important factor in controlling the performance of such materials. Furthermore, rheological properties have always been associated with composition but, in order to utilize compositional data effectively, more definitive correlations between composition and properties are needed (46—48). [Pg.366]

Data Effective interfacial area for 25 mm packing = 280 m2/m3 Mass transfer film coefficients ... [Pg.283]

Table 6. The influence of location, land use and soil type on input data (+ effect — no effect). Table 6. The influence of location, land use and soil type on input data (+ effect — no effect).
D.K. Melgaard and D.M. Haaland, Comparisons of prediction abilities of augmented classical least squares and partial least squares with realistic simulated data effects of uncorrelated and correlated errors with nonlinearities, Appl. Spectrosc., 58, 1065-73 (2004). [Pg.436]

Accordingly, in addition to rate parameters and reaction conditions, the model requires the physicochemical, geometric and morphological characteristics (porosity, pore size distribution) of the monolith catalyst as input data. Effective diffusivities, Deffj, are then evaluated from the morphological data according to a modified Wakao-Smith random pore model, as specifically recommended in ref. [63[. [Pg.408]

To increase resolution of recorded data effectively by using deconvolution, appropriately high signal-to-noise ratios are necessary. Depending on the spectral region involved, a factor that usually dominates the selection of detectors used, very different situations regarding signal-to-noise ratios may prevail. [Pg.163]

TSCA health and safety data Effective Sunset EPA 20021... [Pg.405]

Data analysis software tools for processing large quantities of data effectively ... [Pg.66]

Experimental data Effects of complexation on the spectroscopic parameters... [Pg.493]

Near Infrared Data Effect of Time Mi nutes ... [Pg.118]

Because of the ease of introducing intravenous and intra-arterial catheters and measuring blood flow and blood pressure, dogs are commonly used to conduct hemodynamic studies. These studies evaluate the effect of the test compound on systolic and diastolic blood pressure, heart rate, cardiac output, dp/dt, respiration, ECG, and ventricular pressure. From these data, effects desirable for treating angina pectoris, congestive heart failure, coronary vasospasm, and myocardial infarction can be detected. [Pg.116]

A mathematical model of a nanoparticles growth during evaporation of a micron size droplet in a low pressure aerosol reactor is developed. The main factor is found to be evaporating cooling of droplets which affects formation of supersaturated solution in the droplet. The rate of cooling can reach 2T0 K/s. The final radius of nanoparticles was found to be independent on the precursor radius. Manifestation of Lifshitz-Slezov instability is illustrated by experimental data. Effects of Brownian motion of nanoparticles inside the droplet are discussed. [Pg.446]

Atomic radius may be calculated self-consistently or it may be determined from experimental structural data. Effective size of an atom varies as a function of its environment and nature of chemical bonding. Several different scales - covalent, ionic, metallic, and Van der Waals radii - are commonly used in crystallography. [Pg.100]

Sometimes inhibitors are extremely potent and have IC50 values that are similar to or smaller than the enzyme concentration in the assay (0.5-1 nM in our case). In these cases, it is not possible to use Eq. 2 to fit the data effectively (see Notes 14-17). Instead, Eq. 4 is used to fit the data, where F is the fraction of enzyme bound to inhibitor [F =1 - (Vinh/V0) where Vinh is the steady-state velocity in the presence of inhibitor and V0 is the velocity of uninhibited enzyme], IC50 is the concentration of inhibitor that binds 50% of the enzyme if the enzyme concentra-... [Pg.320]

To move data effectively, bidirectional interface between the analytical instruments and the reaction workbook module is needed to provide a mechanism to submit the libraries for analysis and to integrate the resulting data with the synthesis data. The data could be transferred and collected in the reaction workbook module where a chemist can review the data for integrity and forward it to corporate data repositories. A fully automated system that can review the analytical data and identify the library members that pass selection criteria would greatly enhance the throughput of the validation system. [Pg.184]

Fig. 16 Commercial Q-Max process data. Effect of in situ QZ-2000 catalyst regeneration on cumene selectivity. (View this art in... Fig. 16 Commercial Q-Max process data. Effect of in situ QZ-2000 catalyst regeneration on cumene selectivity. (View this art in...
When the rate is measured for a catalyst pellet and for small particles, and the diffusivity is also measured or predicted, it is possible to obtain both an experimental and a calculated result for rj. For example, for a first-order reaction Eq. (11-67) gives directly. Then the rate measured for the small particles can be used in Eq. (11-66) to obtain k. Provided is known, d) can be evaluated from Eq. (11-50) for a spherical pellet or from Eq. (11-56) for a fiat plate of.catalyst. Then 7caic is obtained from the proper curve in Fig. 11-7. Comparison of the experimental and calculated values is an overall measure of the accuracy of the rate data, effective diffusivity, and the assumption that the intrinsic rate of reaction (or catalyst activity) is the same for the pellet and the small particles. Example 11-8 illustrates the calculations and results for a flat-plate pellet of NiO catalyst, on an alumina carrier, used for the ortho-para-hydrogen conversion. [Pg.439]

Each structure contains a wealth of information, and the more than 30,000 structures that we have now in the PDB has created a new problem how to deal with all these data effectively. The field of structural bioinformatics is more dynamic than ever new methods are tried and developed all the time. In this chapter we presented a selection of the currently available methods, mosdy those we know are already well-developed enough to be accessible, not just by experts but by the wider... [Pg.300]

To be able to present data effectively in tables and figures. [Pg.1]

Pachepsky Y.A., V. Yakovchenko, M.C. Rabenhorst, C. Pooley, and L.J. Sikora. 1996a. Fractal parameters of pore surfaces as derived from micromorphological data effect of long-term management practices. Geoderma 74 305-325. [Pg.73]


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See also in sourсe #XX -- [ Pg.22 , Pg.65 ]




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Effective data

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