Barnes studies

An interesting consequence of covering a surface with a film is that the rate of evaporation of the substrate is reduced. Most of these studies have been carried out with films spread on aqueous substrates in such cases the activity of the water is practically unaffected because of the low solubility of the film material, and it is only the rate of evaporation and not the equilibrium vapor pressure that is affected. Barnes [273] has reviewed the general subject. 

Barnes and co-workers have studied mixed-monolayer systems [278,281,283,284] and found some striking nonidealities. Mixed films of octadecanol and cholesterol, for example, show little evaporation resistance if only 10% cholesterol is present [278] apparently due to an uneven granular microstructure in films with cholesterol [284]. Another study of cellulose decanoate films showed no correlation between holes in the monolayer and permeation rate [285]. Polymerized surfactants make relatively poor water evaporation retarders when compared to octadecanol [286]. There are problems in obtaining reproducible values for r [287] due to impurities in the monolayer material or in the spreading solvent. 

Barnes and Hunter [290] have measured the evaporation resistance across octadecanol monolayers as a function of temperature to test the appropriateness of several models. The experimental results agreed with three theories the energy barrier theory, the density fluctuation theory, and the accessible area theory. A plot of the resistance times the square root of the temperature against the area per molecule should collapse the data for all temperatures and pressures as shown in Fig. IV-25. A similar temperature study on octadecylurea monolayers showed agreement with only the accessible area model [291]. 

Barnes R J, Dutton G and Sinha A 1997 Unimolecular dissociation of HOCI near threshold quantum state and time-resolved studies J. Phys. Cham. A 101 8374-7... 

Barnes, R. M. (1980). Motion and Time Study, Design and Measurement of Work (7th ed.). New York Wiley. 

E. Barnes, On Mendeleev s Predictions Comment on Scerri and Worrall, Studies in History and Philosophy of Science, Part A, 36 801-812, 2005 S. Schindler, Use-novel predictions and Mendeleev s Periodic Table Response to Scerri and Worrall, Studies in History and Philosophy of Science, Part A, 39 265-269, 2008 D. Harker, On the Predilections for Predictions, British Journal for the Philosophy of Science, 59 429—453, 2008 E. R. Scerri, Response to Barnes Critique of Scerri and Worrall, Studies in History and Philosophy of Science, 36 813-816, 2005. 

Which is not to say that Mr. Olian, who was promoted when Mr. Martin left and whom Ms. Arpaia characterized as a wild card, is unserious about his work. He is bartending aspiration itself. He studies at Barnes and Noble, reading cocktail books, but I never copy, he explained. He invents drinks like the Vacation, which he produced on the spot for a patron at Bar Nine when he bartended... 

One study conducted in Britain between 1983 and 1989 was of barn owls found dead in the field 10% of the sample of 145 birds contained anticoagulant rodenticide residues in their livers, and difenacoum and brodifacoum were prominent among them (Newton et al. 1990). In another study, barn owls were fed rats that had been dosed with flocoumafen. It was found that a substantial proportion of the rodenticide ingested by owls was eliminated in pellets (Eadsforth et al. 1991). The authors suggest that exposure of owls to rodenticides in the field may be monitored by analysis of pellets dropped at roosts or regular perching places. 

Eadsforth, C.V., Dutton, A.J., and Harrison, AJ. et al. (1991). A barn owl feeding study with (14C) flocoumafen-dosed mice. Pesticide Science 32, 105-119. 

In his pioneering study of the eschatological turmoil of the Reformation, Barnes has examined some of the effects on esoteric practices... 

Wangberg 1,1 Barnes, KH Becker (1997) Product and mechanistic study of the reaction of NO3 radicals with a-pinene. Environ Sci Technol 31 2130-2135. 

Weisberg WG, SM Barns, DA Pelletier, DJ Lane (1991) 16S ribosomal DNA amplification for phylogenetic study. J Bacteriol 173 697-703. 

It is essential to know the mode of transport of Au and Ag in ore fluids to consider the factors which control the Ag/Au ratio of native gold and electrum. Many studies on Au and Ag complexes in ore fluids have been conducted and reviewed by several workers (Barnes and Czamanske, 1967 Barnes, 1979 Seward, 1981 Shenberger, 1986). 

Hg concentration in hydrothermal solution from back-arc basins and midoceanic ridges has not been determined. Experimental study on graywacke-water interaction suggests that the hydrothermal solution interacted with graywacke contains n x 10 ppm Hg (Bischoff et al., 1981). Cinnabar and metacinnabar are not common but were reported from several Kuroko deposits (Urabe, 1974). From the solubility data on cinnabar and metacinnabar (Barnes and Czamanske, 1967), we can place a limit on the Hg concentration of ore fluids to be n x 10 ppm. Using n x 10 ppm concentration and seawater cycling rate at back-arc basins, hydrothermal Hg flux from back-arc... 

Collman JP, Anson FC, Barnes CE, Bencosme CS, Geiger T, Evitt ER, Kreh RP, Meier K, Pettman RB. 1983a. Further studies of the dimeric / -Utrked face-to-face fork porphyrin FTF4. J Am Chem Soc 105 2694. 

Initial U concentration. If uranium concentration has changed as a result of diagenetic reactions, one may, in principle detect this by comparison between uranium concentrations in modem corals and their fossil counterparts. Early work documenting and studying uranium concentrations in corals is extensive (e g., Barnes et al. 1956 Tatsumoto and Goldberg 1959 Veeh and Turekian 1968 Schroeder et al. 1970 Thompson and Livingston 1970 Gvirtzman et al 1973 Amiel et al. 1973 Swart 1980 Swart and Hubbard 1982 Cross and Cross 1983). This broad body of data shows that primary surface coral uranium concentrations lie between 1.5 and 4 ppm (see Fig. 1). Concentrations appear to be species dependent (Cross and Cross 1983). Furthermore, uranium concentrations vary within individual coral skeletons (Schroeder et al. 1970 Shen and Dunbar 1995 Min et al. 1995). 

BARNES AND CLARK X-ray Pole Figure Studies of Polymers... 

There are a number of papers in the open literature explicitly reporting on the properties of boron cluster compounds for potential neutron capture applications.1 Such applications make full use of the 10B isotope and its relatively high thermal neutron capture cross section of 3.840 X 10 28 m2 (barns). Composites of natural rubber incorporating 10B-enriched boron carbide filler have been investigated by Gwaily et al. as thermal neutron radiation shields.29 Their studies show that thermal neutron attenuation properties increased with boron carbide content to a critical concentration, after which there was no further change. 

Rheology is the study of the deformation and flow behavior of materials, both fluids and solids. See, e.g., Barnes et al. (1989). 

Ward [49], Barnes and Minshall [5] and Ward [6] describe the typical effects of deep-release reservoirs on downstream water temperature higher temperatures in winter, lower temperatures in summer, reduced daily and annual thermal amplitude and displaced annual maximum and minimum water temperature. These effects have been observed when studying the reservoir of Mequinensa. While just upstream from the reservoir, at Escatron, the annual thermal amplitude is about 19°C, downstream from the reservoir it is reduced to about 15°C and the annual maxima occur about 20 days later. Also, the effect on water temperature varies along the year on a cyclical basis. In November, the mean monthly water temperature at Escatron can be as much as 6°C higher than that of the water exiting the reservoir. On the other hand, it can be as much as 4°C lower in May. 

I would like to acknowledge the assistance given by Robert S. Barnes for the Lake Washington Studies, by the students in 1979, 1980 Fisheries 477, 478 classes for the Sinclair Inlet studies and by Susan Sugai and Ahmad Nevissi for the radiochemical measurements in the ocean studies. 

In Chapter 16 we considered how quickly quartz dissolves into water at 100 °C, using a kinetic rate law determined by Rimstidt and Barnes (1980). In this section we take up the reaction of silica (SiC>2) minerals in more detail, this time working at 25 °C. We use kinetic data for quartz and cristobalite from the same study, as shown in Table 26.1. 

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