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Reflectance Characteristics

Recently Noble s group (Haub et al., 1992) showed that sulfidomolybdenum dimer anion complexes react with arenediazonium ions and form complexes (Mo)2S — N2 — Ar. Synthesis and (homolytic) dediazoniation reflect characteristics of arene-diazosulfide anions (see Zollinger, 1995, Sec. 10.1). [Pg.117]

The pillared clays were also characterized by XRD. The [001] reflection characteristic of the expansion of the clay Is due to Insertion of the hydroxyalumlnum polycations between the clay layers. In Figure 5 the traces of the [001] reflection are shown... [Pg.257]

In analogy to olefins, Cjq undergoes a broad variety of cycloadditions (see Chapter 4 and Scheme 14.3). In many cases cycloadducts of Cjq exhibit the same stability as the corresponding non-fullerene based adducts. These reactions are very useful for the introduction of fimctionat groups. Among the most important cycloadditions are [4-1-2] cycloadditions such as Diels-Alder and hetero-Diels-Alder reactions, where Cjq reacts always as dienophile, [3-1-2] cycloadditions with 1,3 dipoles, thermal or photochemical [2-1-2] cycloadditions, [2-t-l] cycloadditions and others, for example, [8-1-2] cycloadditions. Among these general reactions several examples deserve special attention, since they reflect characteristic chemical properties of Cjq [36] ... [Pg.387]

Quring the past several years coal petrography has gained acceptance in certain areas of coal utilization, preparation, and mining as a useful analytical tool. The rapid evolution of this analytical technique can be attributed to the development and subsequent refinement of quantitative methods for measuring the reflectance characteristics of vitrinite in coal (8, 14, 15, 16). Mean maximum reflectance has been shown to be directly related to coal rank (14, 16). Moreover, it is known that rank is important in determining certain carbonization and chemical properties. [Pg.570]

The MCP significantly enhances the speed and reduces the power consumption of the system. Because the ICs are spaced closely together, the interconnection length and propagation delay are greatly reduced, and faster clock speeds are possible. The short interconnections also reduce the need for line termination to prevent reflections. Characteristic impedance is better controlled within the MCP, and fewer signal reflection points exist. Finally, the power dissipation of output drivers can be reduced because of the lower resistive losses and capacitive load of the interconnection. [Pg.457]

In recent years, flyer plate shock sensitivity tests have begun to be used extensively. Basically these tests consist of propelling a thin plate against the expl sample. The variables in this test are plate velocity, plate material and plate thickness. The shock phenomena involved in the flyer plate expts are sketched in Fig 1. The plate velocity at impact is Ufs, the so-called free surface velocity. The intersection of the reflected characteristics of the shock Hugoniot of the plate material (drawn upwards from Ufs) with the P—u curve of the expl then gives the shock state in the expl at the impacted expl surface (P2, u2 in the example)... [Pg.289]

Allmendinger RW, Nelson KD, Potter CJ, Barazangi M, Brown LD, Oliver JE (1987) Deep seismic reflection characteristics of the continental crust. Geology 15 304-310 An Z, Kutzbach JE, Prell WL, Porter SC (2001) Evolution of Asian monsoons and phased uplift of the Himalaya-Tibet Plateau since Late Miocene times. Nature 411 (6833) 62-66 Avouac J-P, Burov EB (1996) Erosion as a driving mechanism of intracontinental mountain growth. J Geophys Res 101(B8) 17,747-17,769... [Pg.17]

Fig. 5 (a) Diffraction pattern of sPP crystallized in its chiral Form II on p-quinoxalinol. The presence of reflections characteristic of this form and not observed for Form I confirms that the thin film as a whole is mostly in Form II. Chain axis vertical, (110) contact plane. Reproduced from [32] with permission (b) Illustration of the topographic interactions that induce Form II rather than Form I the hilly surface of the 2-quinoxalinol substrate (left, seen parallel to the contact face) can only accommodate the Form II (110) plane (middle, three chains shown, as seen parallel to the contact plane, chain axis vertical). The (110) plane of Form I (left, also three chains represented) has a profile that is not compatible with that of the substrate contact face... [Pg.31]

The first type of relaxation processes reflects characteristics inherent to the dynamics of single droplet components. The collective motions of the surfactant molecule head groups at the interface with the water phase can also contribute to relaxations of this type. This type can also be related to various components of the system containing active dipole groups, such as cosurfactant, bound, and free water. The bound water is located near the interface, while free water, located more than a few molecule diameters away from the interface, is hardly influenced by the polar or ion groups. For ionic microemulsions, the relaxation contributions of this type are expected to be related to the various processes associated with the movement of ions and/ or surfactant counterions relative to the droplets and their organized clusters and interfaces [113,146]. [Pg.32]

The reflection characteristics for the copper surface polished mechanically and the copper surface polished both mechanically and electrochemically12 are shown in Fig. 9a. [Pg.432]

Figure 16 shows reflection characteristics of the same copper coatings, but having a 25 pm thickness.12,13... [Pg.439]

Turn on symmetry allowed interactions between the Bloch functions at each k point (repulsion and mixing between associated bands) to generate the final COs. In the general case, the shapes of the resulting bands will reflect characteristics of the specific compound. [Pg.235]


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