Parameters, values, selected

Prediction of the energy level structure for Pu2+ (5f ) is of particular interest since no spectra for this valence state of Pu have been reported. On the basis of what is known of the spectra of Am2+ (26), Cf2" (27), and Es2+ (28), there appears to be evidence for a very small crystal-field splitting of the free-ion levels. Such evidence encourages use of a free-ion calculation in this particular case. The parameter values selected are indicated in Table V. Based on the systematics given by Brewer (19), the first f- d transition should occur near 11000 cm-, so the f- -f transitions at higher energies would be expected to be at least partially obscured. A... 

When considering the effect due to imposing bounds, the results for the 4-RDM become excellent independently of the parameter value selected. Moreover, these good results occur both in the ground and in the excited state. 

We will now set up the DC Sweep to sweep the parameter value. Select PSpice and then New Simulation Profile. Choose a name for the profile and then click the Create button. Select the DC Sweep Analysis type and fill in the dialog box as shown ... 

Two generally accepted models for the vapor phase were discussed in Chapter 3 and one particular model for the liquid phase (UNIQUAC) was discussed in Chapter 4. Unfortunately, these, and all other presently available models, are only approximate when used to calculate equilibrium properties of dense fluid mixtures. Therefore, any such model must contain a number of adjustable parameters, which can only be obtained from experimental measurements. The predictions of the model may be sensitive to the values selected for model parameters, and the data available may contain significant measurement errors. Thus, it is of major importance that serious consideration be given to the proper treatment of experimental measurements for mixtures to obtain the most appropriate values for parameters in models such as UNIQUAC. 

In practice, it is nontrivial to manually select the parameter values to obtain successful results. Moreover, it is not obvious how to measure the quality of the results. Therefore, a well defined performance measure and an efficient parameter optimization method are desired. 

In the systematic approach, the contaminated signal was processed using transients with parameters selected from a uniformly sampled grid in the parameter space. For each parameter value, the quality of the processed signal was computed. An example result is presented in Figure 2 which shows the performance as a function of the two parameters and / p. The parameter values /, and which yielded the lowest entropy were selected for processing. 

The Channel area contains controls which affect each of the channels (detection and coupling) independently. The parameter values displayed refer to the channel currently selected for dis-play-... 

Plasticizers reduce hardness, enhance tack and reduce cost in rubber base adhesive formulations. A plasticizer must be easily miscible and highly compatible with other ingredients in the formulations and with the surfaces to which the adhesive is applied. The compatibility and miscibility of plasticizers can be estimated from the solubility parameter values. Most of plasticizers have solubility parameters ranging between 8.5 and 10.5 hildebrands. However, the high miscibility and compatibility also lead to easier diffusion of the plasticizer to the surface, decreasing the adhesion properties. Therefore, plasticizers should be carefully selected and generally combinations of two or more of them are used. 

Table 2. Values for characterization parameters for selected carbon nanotubes labeled by (n,m)[l]...

As was the case with lanthanide crystal spectra (25), we found that a systematic analysis could be developed by examining differences, AP, between experimentally-established actinide parameter values and those computed using Hartree-Fock methods with the inclusion of relativistic corrections (24), as illustrated in Table IV for An3+. Crystal-field effects were approximated based on selected published results. By forming tabulations similar to Table IV for 2+, 4+, 5+ and 6+ spectra, to the extent that any experimental data were available to test the predictions, we found that the AP-values for Pu3+ provided a good starting point for approximating the structure of plutonium spectra in other valence states. However,... 

A small selection of solubility parameter values in (cal cm ) for elastomers and liquids are... 

Selecting a rigorous and convenient quantitahve parameter characterizing the catalyhc achvity, A, is of prime importance when studying electrocatalytic phenomena and processes. The parameter usually selected is the current density, i (in AJan ), at a specified value of electrode poteuhal, E. The current density is referred to the electrode s true working surface area [which can be measured by the Brunauer-Emmett-TeUer (BET) or other methods]. Closely related to this true current density is another parameter, known as the turnover number y (in s ), and indicating the number of elementary reachon acts performed or number of electrons transferred in unit time per surface atom (or catalytic surface site) of the catalyst. 

Xi,, which can be varied. The quantity is then a funetion of these parameters (X, X2,. ..). For eaeh set of parameter values, the corresponding value of (Ai, /I2,. ..) is always greater than or equal to the true ground-state energy Eq. The value of X, X2,. ..) closest to Eq is obtained, therefore, by minimizing with respeet to eaeh of these parameters. Selecting a sufficiently large number of parameters in a well-chosen analytieal form for the trial funetion 0 yields an approximation very close to Eq. 

A molecule is commonly deemed brain penetrant if its brain-to-plasma concentration ratio (Cb Cp) is >0.04 using nonperfused brain tissue, as cerebral blood volume approximates 4% of total brain volume [6]. Though this ratio determines technically if a compound enters brain tissue, it is treacherous in early discovery to use this single parameter to select one brain-penetrant compound over another as this value alone by... 

Process variables requiring control in a system include, but are not limited to, flow, level, temperature, and pressure. Some systems do not require all of their process variables to be controlled. Think of a central heating system. A basic heating system operates on temperature and disregards the other atmospheric parameters of the house. The thermostat monitors the temperature of the house. When the temperature drops to the value selected by the occupants of the house, the system activates to raise the temperature of the house. When the temperature reaches the desired value, the system turns off. 

From the biological data obtained by using cerium radionuclides and a comparative study with other members of the lanthanide family, the following biological parameters were selected and used in calculating q, (MPC)a, and (MPC)W values for cerium (ICRP, 1959) fi = (the fraction of ingested radionuclide reaching the blood) 0.0001... 

Table 6.4 Values for the van der Waals a Parameter for Selected Molecules. ...

Parameter values considered universal for all 29 events were determined for the six events that were selected for calibration. These universal values are shown in Table 7.3. The remaining parameters—dependent on the actual event — were determined separately. 

A data table of a case-base can be divided into input and output sections. Input parameters are retrieval parameters and output parameters are design specification parameters. The problem is characterized as input data to the system. In the retrieval phase a set of retrieval parameter values of all cases in the case-base are compared to the input data. The most similar cases are then selected and ranked based on the comparison. 

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