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Values small

The simplest system exliibiting a nuclear hyperfme interaction is the hydrogen atom with a coupling constant of 1420 MHz. If different isotopes of the same element exhibit hyperfme couplings, their ratio is detemiined by the ratio of the nuclear g-values. Small deviations from this ratio may occur for the Femii contact interaction, since the electron spin probes the inner stmcture of the nucleus if it is in an s orbital. However, this so-called hyperfme anomaly is usually smaller than 1 %. [Pg.1556]

Polystyrene. Polystyrene shows compatibiHty with common plasticizers but modification of properties produced is ofHtde value. Small amounts of plasticizer (eg, DBP) are used as a processing aid. [Pg.129]

Table 32.5 presents the expected values of the elements in the contingency Table 32.4. Note that the marginal sums in the two tables are the same. There are, however, large discrepancies between the observed and the expected values. Small discrepancies between the tabulated values of our illustrations and their exact values may arise due to rounding of intermediate results. Table 32.5 presents the expected values of the elements in the contingency Table 32.4. Note that the marginal sums in the two tables are the same. There are, however, large discrepancies between the observed and the expected values. Small discrepancies between the tabulated values of our illustrations and their exact values may arise due to rounding of intermediate results.
In Eq. (9-62) MjL is the mass of atom //. The mass mq does not correspond to any physical mass and is simply set to a value small enough such that the charges follow the atomic coordinates adiabatically. The Lagrangian also includes an Nmoiec number of constraints to ensure that each molecule remains electrostatically neutral. [Pg.242]

The results presented here demonstrate the first successful applications of the concept of electroenzymatic synthesis. However, it is also obvious that many more systems are potentially very interesting for synthetic applications. This area is wide open for further creative research and only the tip of the iceberg has surfaced. What is especially promising is the fact that electroenzymatic synthesis is an environmentally friendly technique using the electrode as a clean reagent and the enzymes for high selectivity. Closed systems for technical applications are easier to realize than in many other areas. The author is convinced that industrial syntheses of valued small scale products will be seen in the near future. [Pg.115]

At z values small as compared to ze, (322) differs but little from the following ... [Pg.256]

This section is dedicated to the interested reader who wants to follow the major steps of discriminant analysis and also to inform him of further mathematical details. (For the calculations we use a pocket calculator and sometimes rounded values small differences may, therefore, occur if other precision or programmed algorithms are used.) Again we start from the raw data we first used in cluster analysis, Tab. 5-10. [Pg.189]

Let us investigate the onset of steady bioelectric patterns. For these steady states dc/3t = 0, dv/dt = 0, and hence we must solve (56,57) with (6U) by setting 9c/dt = 0 in (57). Bifurcation theory shows that when a critical value of a parameter (such as a bath concentration) attains a critical value, small amplitude patterns arise from the uniform state ( V 1 here) in a pattern dictated usually by the equations linearized about the uniform state. The bifurcation condition for this patterning onset thus occurs when we can find solutions of... [Pg.192]

The highest point in the curve is represented by the mean because the measurements tend to cluster around some central or average value. Small deviations from the mean are more likely than large deviations, thus the curve is highest at the mean, and the tails of the curve asymptotically approach zero as the axes extend to infinity in both directions. The shape of the curve is symmetrical because negative deviations from the mean value are just as likely as positive deviations. [Pg.44]

Density functional theory (DFT) has emerged as a powerful technique for the solution of the Schrodinger equation at affordable computational costs. Several groups have used DFT to address the effect of electron correlation in ion-water systems. Combariza and Kestner studied short-range interactions and charge transfer in mono and tri-hydrates of Li", Na", F, and CF. The accuracy of their DFT predictions was assessed by comparing electron affinity and atomic polarizability to experimental values. Small water and ion-water clusters were also analyzed and compared to those predicted by effective potentials in MD simulations. [Pg.433]

K gives equilibrium values under standard conditions, while Q gives measured values for real tissues (Table 9.1). Attention should be paid for differences between these two values (small variations are expected since tissues are not at standard conditions). Here large differences indicate reactions which are not at equilibrium these reactions must be controlled in some way by the organism Thus, it can be seen that large differences for HK, PFK, and PK in brain, and HK and PFK in RBC s. Muscle is like brain. The AG values are plotted below as well for clarity. Finally the max activity column shows what kind of flux is possible through these enzymes - what does this indicate about these tissues and glycolysis . [Pg.278]

During acid hydrolysis of proteins, valine and isoleucine are often released more slowly than other amino acids due to steric hindrance of hydrolysis by the / -branched sidechains. The Ile-Ile bond is particularly resistant to hydrolysis and is cleaved to the extent of about 50% in 24 hr at 110°C. This could mislead an investigator into the belief that one residue of isoleucine was present in a given peptide rather than two. The Val-Val, Val-Ile and lle-Val bonds are also slowly hydrolyzed, being 60-75 % cleaved in 24 hr at 110°C. Therefore, if the amounts of valine and isoleucine appear to reach a plateau after 72 hr of hydrolysis, these values may be used otherwise, hydrolysis for 120 hr may be required to obtain quantitative values. Small amounts of u/loisoleucine, which elutes from most analyzer columns just before isoleucine, should be included in the isoleucine determination. [Pg.20]

A function make small IN —> IN and a value e N (which denotes from where on makejsmall makes values small enough). [Pg.267]

Fig. 6.10 Design of a microstructure for soft magnetic films with a high B value. Small and fine grains that have a high B, such as Fe, are included in the thin films... Fig. 6.10 Design of a microstructure for soft magnetic films with a high B value. Small and fine grains that have a high B, such as Fe, are included in the thin films...
Ally disulfide (diallyl disulfide) [2179-57-9] M 146.3, h 58-59"/5mm, 79-81"/20mm, 138-139"/atm, d 1.01, Up U41. Purify the disulfide by fractional distillation until the molar refractivity is in uniformly good agreement with the calculated value [Small et al. J Am Chem Soc 69 1710 1947]. It has also been purified by gas chromatography [retention times Carson Wong J Org Chem 24 175 1959, UV Koch J Chem Soc 395 1 949]. It is present in garlic. [Beilstein 1 IV 2098.]... [Pg.99]

Chloroacetic acid is apparently strong enough that the common-ion effect does not repress its ionization to a residual value small enough to be neglected. A hint of this result is the relatively large value of K . [Pg.278]

JP-4, solvents Human (58 aircraft-maintenance workers, 8 unexposed controls) All means below 6 ppm, as measured with industrial-hygiene methods At least 30 wk Exposure well below threshold limit values small but statistically significant increase in frequency of SCE occurred after 30 wk of exposure in sheet-metal workers and painters MN frequency in sheet-metal workers initially showed statistically significant increase but had decreased by 30 wk Lemasters et al. 1997, 1999... [Pg.131]

Polydispersity arises in systems composed of particles characterized by a property (e.g., particle diameter) that spans a continuum of values. Small molecules exhibit discrete properties, so they do not form polydisperse mixtures. Only at the level of macromolecules and colloidal aggregates does polydispersity become an issue. Here variations in particle size are known to influence the ordering into a solid phase. Experimentally it has been observed that colloidal systems will not form a solid phase if the size polydispersity (as measured by the standard deviation of the particle-size distribution) is greater than about 5% to 10% of the average diameter [252]. [Pg.165]


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See also in sourсe #XX -- [ Pg.28 , Pg.41 , Pg.42 ]




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