Ivanov 2 Experimental

Fig. 6.8. The dependence of rj2 on x) by the Ivanov model (I) and friction model (F) in comparison with predictions of the extended. /-diffusion (ED) and Langevin (L) models for linear molecules. The line (H) corresponds to the Hubbard inverse proportionality between xgj and xj at very high densities. Experimental data from [81] are in rectangles around line G with the length of their vertical and horizontal sides being equal, correspondingly, to the experimental errors in x el and rj measurements. Experimental data from [270] (J) are shown both in original position and shifted down by a factor of four (broken line).

Kurshakova, N. N. and Ivanov, A. E. (1963). A model of experimental lung cancer caused by intratracheal introduction of radioactive cerium, Bull. Exp. Biol. Med. USSR 54, 787. 

It is apparent from this table that the maximum of the induction period depends on the concentration of introduced inhibitors C0 for mechanisms III and VI and is close to x= 1/2 for mechanisms IV and V. The experimental data on the common action of S and InH inhibitors are given in the monographs by von Voigt [6] and Shopov and Ivanov [14]. 

Chatterjee and Johannes (1974), is compared in figure 5.47A with the experimental results of Ivanov et al. (1973) for = co2 Figure 5.47A also superimposes the melting curves of granite in the presence of a fluid phase of identical composition. Note that the composition of the fluid dramatically affects stability relations if the amount of H2O in the fluid is reduced by half = 0.5), the stability field of muscovite is re-... 

As far as the concentration of excitons decreases with time, the average distance R increases, which results in a peculiar l 1/2 dependence of the annihilation constant 7. A time-dependent annihilation rate may also be found for mobile excitons in molecular aggregates which depends on their effective dimension-nality d. In this case, 7 1/lnt if d = 2 and 7 t d/2 if d < 2 [6-8], Ivanov [9] has proposed a simple procedure to check the time dependence of 7(t) by plotting the logarithmic derivative of the experimental data n(t),... 

Ivanov and Karshenboim [11] have determined a theoretical value for the 25 i/2 — 2P3/2 transition in 14jV6+ of 834.928(7) cm-1, where the error is dominated by the uncertainty in the two-loop binding corrections. Other QED corrections, and the nuclear size correction (based on the stated error of the nuclear rms charge radius measurements), contribute only about 0.001 cm-1. Hence an experimental precision of 0.002 cm-1 or better would provide an interesting test of the two-loop corrections. This corresponds to subdivision of the 8 cm-1 natural resonance FWHM by a factor of 4000. 

Ivanov W, Klopovskii KS, Mankelevich YA, Rakhimov AT, Rakhimova TV, Rulev GB, Saenko VB (1996) Experimental and Theoretical Study of the Efficiency of an Excimer Lamp Pumped by a Pulse Distributed Discharge in Xenon, Laser. Phys. 6,... 

No chronic animal toxicity studies have been conducted on VX however, there are two subchronic studies which can be used for developing an RfD. In one study, rats were dosed by s.c. injection 5 days per week for 90 days (Goldman et al., 1988). In the second study, sheep received daily doses of VX in feed for 56 days (Rice et al., 1971). Both of these studies identify blood cholinesterase as the most sensitive endpoint. Data are available indicating that sheep are more sensitive than rats to the toxic effects of VX. Ivanov et al. (1993) reported that the oral LD50 in sheep is 6 figfkg whereas that for rats is 66 //g/kg. In addition, Ivanov et al. (1993) suggested that this increased susceptibihty in sheep may be due, in part, to the lower concentration of catalytic sites for serum ChE in sheep (7.098 x lO mol/L vs. 1.704 x 10 mol/L in rats). The Rice et al. (1971) study is selected here for deriving an oral RfD because it utilized an exposure route that is more relevant for an oral RfD, and also because the experimental evidence indicates that sheep are the more sensitive of the species tested. 

Ivanov et al. (69) worked with a model involving a coverage-dependent activation energy so that the rate constant for the surface reaction is an exponential function of a reactant coverage. Predictions obtained by the numerical application of both this model and that involving a buffer provide fairly good representations of the experimentally measured oscillations (63). 

On Figure 14 the sublayer region corresponds closely to the values deduced from Aleksandrova s formulas and mast measurements for the precipitation of a puff released from a point source (72) (Reference 72 gives a formula D = b uz where u is mean wind speed. For Group 2 stability (unstable layer below inversion in our case) b averages out to 0.064 for 18 experimental observations. The standard deviation is 0.015.) The values reported by Lettau (73) (as Austausch coefficients) were obtained from Leipzig wind profile measurements. The data of Ivanov... 

The shock and postshock temperatures can be distinctly enhanced via natural or artificial sample porosity, modifications in the experimental setup that cause shearing of the sample, and preheating of the assembled container [3,31,35,36]. Shear heating occurs, for example, if the sample disc is inclined with respect to the planar shock front or if there is a Ifee surface at the rear face of the sample (e g., a drill hole in the container, cf Ivanov et al. [31]), enabling considerable flow of the sample. 

The lateral distributions of bubble holdup in fluid beds are very similar to those of bubble columns for gas-liquid systems. Experimental results by Akehata et al. (A2), Pozin et al. (P6), Ivanov and Bykov (112), Yamagoshi (Y2), Miyauchi and Shyu (M31), Hills (H9), Kato et al. (K7) and Ueyama and Miyauchi (U3) are reasonably well expressed by Eq. (2-13). When a gas phase is distributed with a perforated plate or a nozzle sparger, the parameters in Eq. (2-13) for the bubble columns are in the range of n = 1.7-2.5. 

Velev OD, Gurkov TD, Chakarova SvK, Dimitrova BI, Ivanov IB, Borwankar RP. Experimental investigations on model emulsion systems stabilized with nonionic surfactant blends. Colloids Surfaces A Physicochem Eng Aspects 1994 83 43-55. 

Ivanov AS et al (2007) Protein-protein interactions as new targets for drug design virtual and experimental approaches. J Bioinform Comput Biol 5(2B) 579-592... 

The indices "diff and "kin" refer to the diffusional and transfer steps, respectively. Recently, theoretical models of surfactant adsorption kinetics were developed mainly to take into account specific experimental conditions or surfactant properties, such as molecular charge (Dukhin et al. 1983, 1991, Borwankar Wasan 1986, Chang Franses, 1992, Miller et al. 1994a), micelle formation (Rakita Fainerman 1989, Dushkin Ivanov 1991, Fainerman 1992, Serrien et al 1992) or other specific effects (Lin et al. 1991, Ravera et al. 1993, 1994, Jiang et al. 1993). Some of these models will be discussed in sections or chapters below. 

As pointed out by Ivanov and Dimitrov (18), Zapiyanov et al. (29) and Wasan and Malhotra (20), Reynolds equation 1 represents a most conservative prediction it underestimates the velocity of thinning and hence overestimates the film drainage time. Both theoretical and experimental research have shown that drainage between two foam film surfaces is generally much more rapid partially because of a fluidic mobility within the boundary surfaces of the film. 

Lomov SV, Ivanov DS, Verpoest I, Bogdanovich AE, Mungalov D, Zako M, et al. Predictive analyses and experimental validations of effective elastic properties of 2D and 3D woven composites. In 13th European conference on composite materials (ECCM-13) 2008. Stockholm. 

Lomov SV, Ivanov DS, Truong Chi T, Verpoest L Baudry F, Vanden Bosche K, et al. Experimental methodology of smdy of damage initiation and development in textile composites in uniaxial tensile test. Compos Sci Technol 2008 68 2340-9. 

Ivanov DS, Lomov SV, Bogdanovich AE, Karahan M, Verpoest I. A comparative study of tensile properties of non-crimp 3D orthogonal weave and multi-layer plain weave E-glass composites. Part 2 Comprehensive experimental results. Composites Part A 2009 40 1144-57. 

A third mechanism of liquid-film breakage is observed when there is a transport of solute across the film (see Fig. 10c). This mechanism, investigated experimentally and theoretically by Ivanov and coworkers (109—111), was observed with emulsion systems (transfer of alcohols, acetic acid, and acetone across liquid films), but it could appear also in some asymmetric oil-water-air films. The diffusion transport of some solute across the film leads to the development of Marangoni instability, which manifests itself as... 

Ras] Rashev, T., Ivanov, R., Sarivanov, L., Andreev, C., SolubiUty of N in Molten Cr-Fe Alloys under Pressure , Metalurgiya (Sofia), 31(6), 8-10 (1976) (Experimental, Phase Relations, Thermodyn., 21)... 

Tar] Taian, Yu.N., Ivanov, L.I., Moshkevich, L.D., Morphology of the Eutectic in Fe-W-C Alloys , Metal Sci. Heat Treatment, 14(1—2), 3—6 (1972) (Morphology, Experimental, 8) cited from abstract... 

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