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Sequences summing

Then, indexed material costs can be used to calculate indexed product value rates for all other products and locations along the value chain within the index sequence summing up material costs and average production cost rates considering location exchange rate factor ratios. [Pg.155]

Recent research into the ter Meer reaction (Shugalei and Tselinskii 1994) has demonstrated that it actually chooses the chain ion-radical mechanism. Chain branching is attributed to air oxygen, after transformation into the superoxide ion (O2 see Section 1.7.1). The whole process of substitution in the aqueous-alkaline buffer medium is expressed by a 14-step sequence summed in Scheme 4.36. [Pg.243]

Pseudo frequency Sequence type Nb of sequences Sum of sequence lengths discarded residues discarded occurrences nb possible positions total oligo occurrences total overlapping occurrences 245 total non overlapping occ 10578... [Pg.341]

Please submit a report on the two designs and cost estimates (flxed capital and utility operating costs only). For the capital cost of each of the two alternative sequences, sum the purchase costs of the distillation columns, heat exchangers, and any vacuum equipment. Multiply that cost by the appropriate Lang factor. To annualize the capital cost, multiply by 0.333. Add to this annualized cost the annual utility cost for steam and cooling water. Call this the total annualized cost for the alternative. [Pg.613]

There is now a simple explicit expression for the vapor rate in a single column in terms of the feed to the column. In order to use this expression to screen column sequences, the vapor rate in each column must be calculated according to Eq. (5.8), assuming a sharp separation in each column, and the individual vapor rates summed. [Pg.137]

Take two different sequences for the separation of a four-component mixture" (Fig. 5.7). Summing the feed flow rates of the key components to each column in the sequence, the total flow rate is the same in both cases ... [Pg.144]

More sophisticated pulse sequences have been developed to detect nuclear modulation effects. With a five-pulse sequence it is theoretically possible to obtain modulation amplitudes up to eight times greater than in a tlnee-pulse experunent, while at the same time the umnodulated component of the echo is kept close to zero. A four-pulse ESEEM experiment has been devised to greatly improve the resolution of sum-peak spectra. [Pg.1579]

Statistical quaUty control charts of variables are plots of measurement data, preferably the average result of repHcate analyses, vs time (Fig. 2). Time is often represented by the sequence of batches or analyses. The average of all the data points and the upper and lower control limits are drawn on the chart. The control limits are closely approximated by the sum of the grand average plus for the upper control limit, or minus for the lower control limit, three times the standard deviation. [Pg.368]

Other Color Order Systems. The Natural Color System (24), abbreviated NCS, developed ia Sweden is an outgrowth of the Hesselgren Color Adas, and uses the opponent color approach. Here colors are described on the basis of their resemblances to the basic color pairs red-green and blue-yeUow, and the amounts of black and white present, all evaluated as percentages. Consider a color that has 10% whiteness, 50% blackness, 20% yellowness, and 20% redness note that the sum is 100%. The overall NCS designation of this color is 50, 40, Y50R iadicating ia sequence the blackness, the chromaticness (20 + 20), and the hue (50% on the way from yellow to red the sequence used is Y, R, G, B, Y). [Pg.409]

A succession of numbers or terms that are formed according to some definite rule is called a sequence. The indicated sum of the terms of a sequence is called a series. A series of the form r o -1- — c) -1-... [Pg.448]

Thompson and Goldstein [89] improve on the calculations of Stolorz et al. by including the secondary structure of the entire window rather than just a central position and then sum over all secondary strucmre segment types with a particular secondary structure at the central position to achieve a prediction for this position. They also use information from multiple sequence alignments of proteins to improve secondary structure prediction. They use Bayes rule to fonnulate expressions for the probability of secondary structures, given a multiple alignment. Their work describes what is essentially a sophisticated prior distribution for 6 i(X), where X is a matrix of residue counts in a multiple alignment in a window about a central position. The PDB data are used to form this prior, which is used as the predictive distribution. No posterior is calculated with posterior = prior X likelihood. [Pg.339]

An effective method for localizing causes of redox potentials is to plot the total backbone and side chain contributions to ( ) per residue for homologous proteins as functions of the residue number using a consensus sequence, with insertions treated by summing the contribution of the entire insertion as one residue. The results for homologous proteins should be examined for differences in the contributions to ( ) per residue that correlate with observed redox potential differences. These differences can then be correlated with any other sequence-redox potential data for proteins that lack crystal or NMR structures. In addition, any sequences of homologous proteins that lack both redox potentials and structures should be examined, because residues important in defining the redox potential are likely to have semi-sequence conservation of a few key amino acid types. [Pg.407]

One example of a sequence determinant of redox potentials that has been identified in this manner is an Ala-to-Val mutation at residue 44, which causes a 50 mV decrease in redox potential (and vice versa) in the rubredoxins [68]. The mutation was identified because the sum of the backbone contributions to ( ) of residues 43 and 44 change by 40 mV due to an —0.5 A backbone shift away from the redox site. This example points out the importance of examining the backbone contributions. The corresponding site-specific mutants have confirmed both the redox potential shift [75] and the structural shift [75]. [Pg.407]

A key parameter in the design of the fuel vapor control system is the volume of activated carbon required to meet the emission standards for the various regulatory tests. In the case of the three-day diurnal test sequence, the emission limits are 0.05 grams of HC per mile during the run loss portion of the test (maximum emission -0.85 grams), and a maximum release of 2.0 grams for the sum of the hot soak period and any one of the three 24-hour periods making up the diurnal test sequence. [Pg.259]

The sequences involving the i-th component may be separated from the other sequences and this probability factored from the sum of products as shown in equation 2.8-9, where is the cutset with factored out. This property relates the importance measures. Substituting equation 2.8-9 into equation 2.8-2 gives equation... [Pg.63]

The Boolean equation for the probability of a chemical process system failure is R = A (B-i-C (D-rE (B-l-F G+C). Using Table 2.1-1, factor (he equation into a sum of products to get the mincut representation with each of the products representing an accident sequence. [Pg.66]

Block Entropies The definitions are the same as for finite lattices except that whereas before we could sum over all possible configurations, we now perform the same calculations for all possible sequences of sites within blocks of finite size B ... [Pg.216]

Summing (3.21) over w 3, 4, 5, we obtain the generating function of the structural isomeric cycloparaffins which we will denote by P. Summation over w 1, 2, 3,. .. is easier. Summation and recombination of the terms provide the following sequence of results ... [Pg.72]

We see that when a reaction can be expressed as the algebraic sum of a sequence of two or more other reactions, then the heat of the reaction is the algebraic sutn of the heats of these reactions. This generalization has been found to be applicable to every reaction that has been tested. Because the generalization has been so widely tested, it is called a law—the Law of Additivity of Reaction Heats. ... [Pg.111]

The discrepancy between the two sequences of numbers representing the closing of shells and the closing of periods occurs, as is well known, due to the fact that the shells are not sequentially filled. Instead, the sequence of filling follows the so-called Madelung rule, whereby the lowest sum of the first two quantum numbers, n + 1, is preferentially occupied. As the eminent quantum chemist Lowdin (among others) has pointed out, this filling order has never been derived from quantum mechanics (2),... [Pg.43]

To sum-up, we can to some extent recover the order of filling by calculating the ground state configurations of a sequence of atoms but nobody has yet deduced the n + rule from the principles of quantum mechanics.13... [Pg.100]

Regulatory regions are transcriptional control sequences, which consist of promoters, response elements, enhancers and possibly silencers, located upstream of the start site of transcription. The overall effect on gene transcription is a sum of the contributions of these elements and the activities of proteins recruited to these sites. Promoters are located immediately upstream of the start site and initiate transcription. They often contain tissue- or cell-specific elements if the gene is not ubiquitously expressed. Enhancers are positive regulatory elements which function independently of orientation and distance from the genes they regulate. [Pg.1064]

Thus, the self information of a sequence of N symbols from a discrete memoryless source is the sum of N independent random variables, namely the self informations of the individual symbols. An immediate consequence of this is that the entropy of the sequence, ff(Ujr), is the average value of a sum of random variables so that... [Pg.198]

Similarly, since the probabilities of the sequences satisfying Eq. (4-13) must sum to between 1 — and 1, the number, L, of sequences satisfying Eq. (4-13) must lie between the following limits... [Pg.199]


See other pages where Sequences summing is mentioned: [Pg.82]    [Pg.336]    [Pg.82]    [Pg.336]    [Pg.703]    [Pg.63]    [Pg.319]    [Pg.327]    [Pg.542]    [Pg.447]    [Pg.110]    [Pg.276]    [Pg.97]    [Pg.97]    [Pg.286]    [Pg.699]    [Pg.146]    [Pg.222]    [Pg.223]    [Pg.300]    [Pg.370]    [Pg.1180]    [Pg.86]    [Pg.73]    [Pg.246]    [Pg.1107]    [Pg.445]    [Pg.517]    [Pg.198]   
See also in sourсe #XX -- [ Pg.167 ]




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Sequence of partial sums

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