Regional comparison

Methodologies can be tailored to the unique characteristics of the study exposure(s) or other population/host factors that might impact study conclusions. Efforts aimed at identifying a minimal data set essential for the analysis of most environmental exposures and health outcomes would be informative for investigators and allow for regional comparisons. All new methodologies will need to be sensitive to cultural, gender, and racial/ethnicity-related issues. 

Liang, Y.Z., Kvalheim, O.M., Rahmani, A., and Brereton, R.G., A two-way procedure for background correction of chromatographic/spectroscopic data by congruence analysis and least-squares fit of the zero-component regions comparison with doublecentering, Chemom. Intell. Lab. Syst., 18, 265-279, 1993. 

Table 8B.6 Assay of volatile thiols (ng/L) at different stages in botrytizationyoung botrytized wines from various appellations of the Bordeaux region. Comparison with decrease in mean grape volume (mL/grape) (Sarrazin et al. 2007)...

Seismic studies of cratonal lithosphere at both the global and local scale indicate that Archaean cratons are sites of unusually thick, cold lithosphere, which may have mantle roots extending to depths of200-400 km compared with normal continental lithosphere, which is less than 150 km thick (e.g. van der Lee Nolet 1997 Ritsema et al. 1998 Ritsema van Heijst 2000 James Fouch 2002). Heat-flow data place some bounds on lithospheric thickness, but regional comparisons require major assumptions as to the lower-crustal contribution to radioactive heating. 

A regional comparison of the relative risks, their causes, the patterns of impacts to the assessment endpoints, and the associated uncertainty. These regional comparisons and estimates of the contribution of each source and stressor create a spatially explicit risk hypothesis. 

All radiation measurements have always been carried out and processed on the appropriate international pyrheliometric scale. The instruments are regularly calibrated by comparison with the sun as a source to the national pyrheliometer (AHF of The Eppley) and pyranometer (CM 11 of Kipp and Zonen) standards, participating in the periodically organized international or regional comparisons. They are referred to as the World Radiometric Reference (WRR 1980). 

In the dl region, comparison of the i E) and C E) curves can be used as a first test [one should be able to deduce one from the other, the current being only capacitive, (i = CdE/dt)]. The shape of the minimum (corresponding to the capacity of the diffuse part of the electrochemical dl) on the C(E) and i(E) curves (Fig. 15) for the case of no adsorption in dilute solution, is another criterion it should not be too different than that observed for mercury, but its position in the range of potential can be completely different. The shape of the adsorption peak is another criterion (in the case of adsorption) it should be sharp and reproducible. Of course, the stability and reproducibility of the curves are important and should be observed not only in the dl region but over all the range of potential explored. 

In the case of the compound derived from 3-aminoquinuclidine (trichloro(3-aminoquinuclidinium)platinum(II), or QTP) we have tried to resolve the structural question by examination of infrared spectra in the N-H stretching region. Comparisons of spectra for 3-aminoquinuclidine, its mono- and di-protonated hydrochlorides, and QTP suggest that in the platinum complex it is the -NH group which is protonated. Specifically, a broad and intense band at ca 2800 cm which can be assigned to the protonated tertiary amine group in the mono- and di-hydrochloride is absent from QTP. Infrared spectra thus suggest structure III for QTP. 

Watanabe, T., Nakatsuka. H., Seiji, K., Inoue, 0., Cho, K.S., Lee, K.M., Lee, B.K., Lee, S.H., and Ikeda, M. (1989b). Blood cadmium levels in the population of Masan, Korea, and Miyagi, Japan an inter-regional comparison. Toxicol Lett. 4Z155-163. 

G.I. Petrova, Monitoring of national drug policies - regional comparison between Bulgaria, Romania, former Yugoslav republic of Macedonia and Bosnia Herzegovina, Centr. Eur. J. Public Health 9(4) (2001), 205-213. 

Fig. 17 Measured Fe excitation probabilities for a series of iron porphyrins. All nitrosyl complexes have an Fe-NO stretch/bend mode in the 520-540 cm region. Comparison among the nitrosyl complexes (c-g) reveals that peripheral groups strongly influence the vibrational frequencies and amplitudes of the central Fe. Sample temperatures were 34 K for Fe(OEP), 30 K for Fe(OEP)(NO), 80 K for Fe(TPP)(NO), 35 K for Fe(DPIXDME)(NO), 34 K forFe(PPIXDME)(NO), and 64 K for Fe(MPIXDME) (NO). The Fe(OEP)(Cl) spectrum is an average over multiple scans with an estimated average temperature of 87 K. Reprinted from reference [192], with the permission of the American Chemical Society, copyright 2004...

The total capture of cold neutrons per c.c. in the metal is found by multiplying the thermal capture cross-section by the cold neutron density, and similarly for the hot neutrons. In this computation the densities must be reduced to the normalization, Pq = 0.5647T, P2 = 7.557T. The total thermal capture divided by the total neutron production is thus found to be. 850 hence = 1.176. This may be compared with 1.185 for the two region comparison system. 

Using the average neutron densities of Fig. 19 for the n, we find = 1.116 this may be compared with 1.100 in the two region comparison system. 

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