Scherer model

Figure 13. Sintering parameter (1/K) and viscosity according to Scherer model (85) of viscous sintering for two-step acid-catalyzed xerogel. Samples were heated to indicated temperatures at 2 or 20 °C/min and held isothermally. Corresponding bulk densities are plotted on the abscissa. (Reproduced with permission from reference 79. Copyright 1984.)...

Figure 8.18 Relative density versus reduced time for the Mackenzie and Shuttleworth model and the Scherer model. For relative densities >0.942, the Mackenzie and Shuttleworth model appUes. The curves have been shifted to coincide at the time U when sintering is complete. (From Ref. 21.)...

Figure Al.6,8 shows the experimental results of Scherer et al of excitation of I2 using pairs of phase locked pulses. By the use of heterodyne detection, those authors were able to measure just the mterference contribution to the total excited-state fluorescence (i.e. the difference in excited-state population from the two units of population which would be prepared if there were no interference). The basic qualitative dependence on time delay and phase is the same as that predicted by the hannonic model significant interference is observed only at multiples of the excited-state vibrational frequency, and the relative phase of the two pulses detennines whether that interference is constructive or destructive.

Scherer, P. W., and Hanna, L. M. (1985). Heat and water transport in the human respiratory tract. In Mathematical Modeling m Medicine and Biology (A. Shitzer and R. C. Eberh.trt, Eds. , pp. 287-306. Plenum Press, New York. 

Paulus UA, Veziridis V, Schnyder B, Kuhnke M, Scherer GG, Wokaun A. 2003. Fundamental investigation of catalyst utilization at the electrode/solid polymer electrolyte interface. Part I. Development of a model system. J Electroanal Chem 541 77-91. 

We calculate three models (1) the dimer model presented in this work (2) the dimer model employed by Scherer et al. and (3) the delocalized model. Table V lists the calculated results as a function of temperature. The anisotropy values for r(ei,e2) at 295 K are found to be quite different between the dimer and delocalized models. The difference is about 53%. Meanwhile, the differences at other temperatures are within about 13-14%. For r(e2,23), the differences are within 24-28%. Table Valso lists the angle between B and B2 in the special pair of R26.Phe-a RCs as a function of temperature. 

Tratnyek PG, Scherer MM, Deng BL (2001) Effects of natural organic matter, anthropogenic surfactants, and model quinones on the reduction of contaminants by zero-valent iron. Water Res 35 4435 4443... 

On the other hand, when the membrane is saturated, transport still occurs. This transport must be due to a hydraulic-pressure gradient because oversaturated activities are nonphysical. In addition, Buechi and Scherer found that only a hydraulic model can explain the experimentally observed sharp drying front in the membrane. Overall, both types of macroscopic models describe part of the transport that is occurring, but the correct model is some kind of superposition between them. - The two types of models are seen as operating fully at the limits of water concentration and must somehow be averaged between those limits. As mentioned, the hydraulic-diffusive models try to do this, but from a nonphysical and inconsistent standpoint that ignores Schroeder s paradox and its effects on the transport properties. 

Conceptual models of electron transfer (ET) mechanisms at Fe°-oxide-water interface (A) ET from bare iron metal exposed by pitting of the oxide layer (B) ET from conduction bands in the oxide layer (C) ET from adsorbed or lattice Fe(II) surface sites. (From Scherer, M.M. et al., CRC Crit. Rev. Environ. Sci. Technol., 30(3), 363 11, 2000. With permission.)... 

The incredible kinetic stability of Scherer s radical most likely derives from steric isolation of the site of free valence. Models indicate that the radical site is essentially buried within a protective shield of surrounding fluorine substituents. 

Tange S, Scherer MN, Graeb C, et al. The antineoplastic drug paclitaxel has immunosuppressive properties that can effectively promote allograft survival in a rat heart transplant model. Transplantation 2002 73(2) 216-223. 

A lot of work has been directed to the modelling of the gelling process. The percolation model offers the most widely accepted theory. A review of the model is beyond the scope of this book. The reader is referred to the reviews of Zallen,22 Staufer et al.23 and Brinker and Scherer.12... 

Scherer RU.GieblerRM, Schmidt U et al. (1995) Short-time rabbit model of endotoxin-induced hypercoagulability. Lab Anim Sci 45 538-546... 

Pair refers paired meteorites from the same locality. Mass is the recovered mass. Z)2a-is the depth at which irradiation on the Moon took place. 72 is the duration of the lunar irradiation. / 4 isthe radius of the meteoroid while in transit to Earth. 74 is the duration of transit to Earth. Ti is the terrestrial age. (i) Greshake et al. (2001) note similarities to MAC 88104/5. (ii) Assume density 2.7 g cm. (iii) T2tt before compaction, (iv) Full model has three stages on Moon. References (a) Eugster and Lorenzetti (2001). (b) Nishiizumi and Caffee (2001a). (c) Warren (1994). (d) Nishiizumi and Caffee (2001b). (e) Shukolyukov et al. (2001). (f) Scherer et al. (1998). (g) Nishiizumi et al. (1998). 

Scherer PW, et al. Growth of hygroscopic aerosols in a model of bronchial airways. J Appl Physiol 47(3) 544-550, 1979. 

The Shliomis Stepanov approach [9] to the ferrofluid relaxation problem, which is based on the Fokker Planck equation, has come to be known in the literature on magnetism as the egg model. Yet another treatment has recently been given by Scherer and Matuttis [42] using a generalized Lagrangian formalism however, in the discussion of the applications of their method, they limited themselves to a frozen Neel and a frozen Brownian mechanism, respectively. 

Figure 2.8 Synthesis of Scherer s sterically highly hindered, extremely persistent perfluoroalkyl radicals 11 and 12. The AMI model above) indicates the bulky structure of 11 [8],...

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