Intermediate-spectrum

A. Cations, on the other hand, which are a mixture of hydrated and anhydrous species have an intermediate spectrum of the type B B. The long-wavelength absorption band B is due to the anhydrous cation, and the short-wavelength absorption band B to the hydrated... 

The improvement resulting from the incorporation of the correct spectrum for the intermediate is subtle but significant. The all resulting spectra are improved, with the intermediate spectrum, of course, correct. The new concentration profiles for the starting material A and product C are now correct, while the profile for the intermediate B is untouched. Compared to Figure 5-56, the minimal ssq after the incorporation of the correct spectrum, is not improved and this is a clear indication for rotational ambiguity. 

INTERMEDIATE-SPECTRUM (SECOND-GENERATION) CEPHALOSPORINS Cefaclor (generic, Ceclor)... 

In the same samples, a second absorption feature was detected that is associated with the dopant ions themselves. These ligand-field transitions allow distinction among various octahedral and tetrahedral Co2+ species and are discussed in more detail in Section III.C. The three distinct spectra observed in Fig. 4(b) correspond to octahedral precursor (initial spectrum), tetrahedral surface-bound Co2+ (broad intermediate spectrum), and tetrahedral substitutional Co2+ in ZnO (intense structured spectrum). Plotting the tetrahedral substitutional Co2+ absorption intensity as a function of added base yields the data shown as triangles in Fig. 4(b). Again, no change in Co2+ absorption is observed until sufficient base is added to reach critical supersaturation of the precursors, after which base addition causes the conversion of solvated octahedral Co2+ into tetrahedral Co2+ substitutionally doped into ZnO. Importantly, a plot of the substitutional Co2+ absorption intensity versus added base shows the same nucleation point but does not show any jump in intensity that would correspond with the jump in ZnO intensity. Instead, extrapolation of the tetrahedral Co2+ intensities to zero shows intersection at the base concentration where ZnO first nucleates, demonstrating the need for crystalline ZnO to be... 

Other studies on the chemistry and spectroscopy of pure SO2 cast further light on the question of the possible existence of an isomer of the form SOO. Norrish and Oldershaw flash-photolyzed sulfur dioxide and found that as the SO2 spectrum disappeared, a continuous absorption in the far uv appeared and faded slowly as the SO2 reappeared. There was little net chemical change as a result of the flash. They agreed that the intermediate spectrum might be due to an isomer of sulfur dioxide. However, both Herman et al., and Gaydon et al -, argued that the new spectrum could be due to heated SO2 alone, and no new species need be... 

Admission of hydrogen at 575 K to a dehydrated sample causes a strong increase of both acidic OH groups due to the reduction of Cu(II) ions to Cu(I) accompanied by the formation of protons (Fig. 3). Simultaneously the amount of Lewis acid sites decreases, observable by the corresponding IR bands of adsorbed pyridine (Fig. 2, intermediate spectrum). The low-frequency band of the 1455 cnT doublet is reduced to a shoulder, indicating a loss of accessible cations, probably the Cu(II) ions. 

Figure 2. Electron spin resonance spectra of decay in vacuum at room temperature (9.0 Mrads). (a) Primary radical R under vacuum, (b) radical transformation, (c) intermediate spectrum, (d) polyenyl radical.

Ofloxacine is predominantly recognized as an Intermediate-spectrum Fluoroquinolone. ... 

Fig. 2. The FTIR absorption spectrum of a bacteriorhodopsin-containing film is presented in spectrum A. Spectrum B is a light - dark difference spectrum (to scale) after a fraction of the sample was converted to the M intermediate. Spectrum C presents an expanded view of the difference spectrum revealing an abundance of chromophore and protein structural changes. (Courtesy of Dr. Mark Braiman.)...

Fig. 5. Millisecond time-resolved UV resonance Raman spectra of bacteriorhodopsin. Spectrum A was obtained with a 240 nm probe beam in the presence of a 515 nm pump beam that converts a fraction of the sample over to the M intermediate. Spectrum B was obtained with just the 240 nm probe beam. The various difference spectra present the changes in structure of the resonantly enhanced tyrosines and tryptophans that occur during the conversion to the M intermediate. (From Ames et alP ...

The problems with this fit are two-fold. First we know the reactions are second order and that the intermediate spectrum for species B is implausible with two peaks. 

P. L. Hofmann and M. L. Storm, Burnable poison calculations for intermediate reactors. The Physics of Intermediate Spectrum Reactors, Chapter 16, USAEC, September, 1958. 

The various high temperature concepts propose three coolants - molten salt Pb or Pb-Bi and gas. The fuel is nitride for fast spectrum concepts (BGR-300 (28) suggests the use of advanced porous fuel) and TRISO derivative for thermal or intermediate spectrum concepts. Two of the 5 concepts are reactors intended for operation in U-Th fuel cycle. 

A solution of the active polymerization mixture with an approximately 1 1 ratio of DIPIP to Li has an intermediate spectrum. If then the overall concentration of the solution is varied keeping this ratio constant, it is found that the shape of the spectrum is unchanged over the range of concentration lO to 10 M. Evidently the ratio of the various components in the mixture is unchanged, and the equilibria connecting them are concentration independent. This is consistent with the latter two equilibria in scheme 1 where the number of molecules is the same on both sides of the equilibria. 

The spectrum for 7 tr < Riec is shown in Fig. 16b, c. It corresponds to a long diffusion length Ln>L and indicates efficient charge collection in a DSC at moderate forward bias [16]. The opposite case, for strong recombination, requires Rti > Rice, and is shown in Fig. 16e. The intermediate spectrum for Rti Rice is... 

---