Search Results - "Topping, D"

Strengthening mechanisms in a high-strength bulk nanostructured Cu–Zn–Al alloy processed via cryomilling and spark plasma sintering by Wen, Haiming, Topping, Troy D., Isheim, Dieter, Seidman, David N., Lavernia, Enrique J.

“…A bulk nanostructured alloy with the nominal composition Cu–30Zn–0.8Al wt.% (commercial designation brass 260) was fabricated by cryomilling of brass powders…”
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Mechanical behavior and strengthening mechanisms in ultrafine grain precipitation-strengthened aluminum alloy by Ma, Kaka, Wen, Haiming, Hu, Tao, Topping, Troy D., Isheim, Dieter, Seidman, David N., Lavernia, Enrique J., Schoenung, Julie M.

“…To provide insight into the relationships between precipitation phenomena, grain size and mechanical behavior in a complex precipitation-strengthened alloy…”
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Tight coupling of particle size, number and composition in atmospheric cloud droplet activation by Topping, D. O, McFiggans, G

“…The substantial uncertainty in the indirect effect of aerosol particles on radiative forcing in large part arises from the influences of atmospheric aerosol…”
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Ubiquity of organic nitrates from nighttime chemistry in the European submicron aerosol by Kiendler‐Scharr, A., Mensah, A. A., Friese, E., Topping, D., Nemitz, E., Prevot, A. S. H., Äijälä, M., Allan, J., Canonaco, F., Canagaratna, M., Carbone, S., Crippa, M., Dall Osto, M., Day, D. A., De Carlo, P., Di Marco, C. F., Elbern, H., Eriksson, A., Freney, E., Hao, L., Herrmann, H., Hildebrandt, L., Hillamo, R., Jimenez, J. L., Laaksonen, A., McFiggans, G., Mohr, C., O'Dowd, C., Otjes, R., Ovadnevaite, J., Pandis, S. N., Poulain, L., Schlag, P., Sellegri, K., Swietlicki, E., Tiitta, P., Vermeulen, A., Wahner, A., Worsnop, D., Wu, H.‐C.

“…In the atmosphere nighttime removal of volatile organic compounds is initiated to a large extent by reaction with the nitrate radical (NO3) forming organic…”
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Key drivers of cloud response to surface-active organics by Lowe, S. J., Partridge, D. G., Davies, J. F., Wilson, K. R., Topping, D., Riipinen, I.

“…Aerosol-cloud interactions constitute the largest source of uncertainty in global radiative forcing estimates, hampering our understanding of climate…”
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New and extended parameterization of the thermodynamic model AIOMFAC: calculation of activity coefficients for organic-inorganic mixtures containing carboxyl, hydroxyl, carbonyl, ether, ester, alkenyl, alkyl, and aromatic functional groups by Zuend, A., Marcolli, C., Booth, A. M., Lienhard, D. M., Soonsin, V., Krieger, U. K., Topping, D. O., McFiggans, G., Peter, T., Seinfeld, J. H.

“…We present a new and considerably extended parameterization of the thermodynamic activity coefficient model AIOMFAC (Aerosol Inorganic-Organic Mixtures…”
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Tensile behavior and strengthening mechanisms in a submicron B4C-reinforced Al trimodal composite by Yang, Hanry, Topping, Troy D., Wehage, Kristopher, Jiang, Lin, Lavernia, Enrique J., Schoenung, Julie M.

“…The physical and mechanical characteristics of cryomilled Al 5083-boron carbide (Al-B4C) metal matrix composites (MMCs) render them both scientifically…”
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Resistant starch, large bowel fermentation and a broader perspective of prebiotics and probiotics by Bird, A R, Conlon, M A, Christophersen, C T, Topping, D L

“…The metabolic end products of the large bowel microbiota contribute significantly to human health. After weaning to solid foods, some of the most important of…”
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Evaluation of hierarchical agglomerative cluster analysis methods for discrimination of primary biological aerosol by Crawford, I, Ruske, S, Topping, D. O, Gallagher, M. W

“…In this paper we present improved methods for discriminating and quantifying primary biological aerosol particles (PBAPs) by applying hierarchical…”
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Microphysical explanation of the RH‐dependent water affinity of biogenic organic aerosol and its importance for climate by Rastak, N., Pajunoja, A., Acosta Navarro, J. C., Ma, J., Song, M., Partridge, D. G., Kirkevåg, A., Leong, Y., Hu, W. W., Taylor, N. F., Lambe, A., Cerully, K., Bougiatioti, A., Liu, P., Krejci, R., Petäjä, T., Percival, C., Davidovits, P., Worsnop, D. R., Ekman, A. M. L., Nenes, A., Martin, S., Jimenez, J. L., Collins, D. R., Topping, D.O., Bertram, A. K., Zuend, A., Virtanen, A., Riipinen, I.

“…A large fraction of atmospheric organic aerosol (OA) originates from natural emissions that are oxidized in the atmosphere to form secondary organic aerosol…”
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Standards, equality and safety in Mohs micrographic surgery for patients living with HIV by Alani, A., Allstaff, S., Yirrell, D., Topping, D., Affleck, A.

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Influence of specimen dimensions and strain measurement methods on tensile stress–strain curves by Zhao, Y.H., Guo, Y.Z., Wei, Q., Topping, T.D., Dangelewicz, A.M., Zhu, Y.T., Langdon, T.G., Lavernia, E.J.

“…Miniature tensile specimens, having various sizes and geometries, are often used to measure the mechanical properties of bulk nanostructured materials…”
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Online gas- and particle-phase measurements of organosulfates, organosulfonates and nitrooxy organosulfates in Beijing utilizing a FIGAERO ToF-CIMS by Le Breton, Michael, Wang, Yujue, Hallquist, Åsa M, Pathak, Ravi Kant, Zheng, Jing, Yang, Yudong, Shang, Dongjie, Glasius, Marianne, Bannan, Thomas J, Liu, Qianyun, Chan, Chak K, Percival, Carl J, Zhu, Wenfei, Lou, Shengrong, Topping, David, Wang, Yuchen, Yu, Jianzhen, Lu, Keding, Guo, Song, Hu, Min, Hallquist, Mattias

“…A time-of-flight chemical ionization mass spectrometer (CIMS) utilizing the Filter Inlet for Gas and Aerosol (FIGAERO) was deployed at a regional site 40 km…”
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Toxicity of nano- and ionic silver to embryonic stem cells: a comparative toxicogenomic study by Gao, Xiugong, Topping, Vanessa D, Keltner, Zachary, Sprando, Robert L, Yourick, Jeffrey J

“…The widespread application of silver nanoparticles (AgNPs) and silver-containing products has raised public safety concerns about their adverse effects on…”
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Characterisation and source identification of biofluorescent aerosol emissions over winter and summer periods in the United Kingdom by Forde, Elizabeth, Gallagher, Martin, Foot, Virginia, Sarda-Esteve, Roland, Crawford, Ian, Kaye, Paul, Stanley, Warren, Topping, David

“…Primary biological aerosol particles (PBAPs) are an abundant subset of atmospheric aerosol particles which comprise viruses, bacteria, fungal spores, pollen,…”
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Solid state and sub-cooled liquid vapour pressures of substituted dicarboxylic acids using Knudsen Effusion Mass Spectrometry (KEMS) and Differential Scanning Calorimetry by Booth, A. M., Barley, M. H., Topping, D. O., McFiggans, G., Garforth, A., Percival, C. J.

“…Solid state vapour pressures of a selection of atmospherically important substituted dicarboxylic acids have been measured using Knudsen Effusion Mass…”
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The sensitivity of secondary organic aerosol component partitioning to the predictions of component properties – Part 1: A systematic evaluation of some available estimation techniques by McFiggans, G., Topping, D. O., Barley, M. H.

“…A large number of calculations of the absorptive partitioning of organic compounds have been made using a number of methods to predict the component vapour…”
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An analytical solution to calculate bulk mole fractions for any number of components in aerosol droplets after considering partitioning to a surface layer by Topping, D.

“…Calculating the equilibrium composition of atmospheric aerosol particles, using all variations of Köhler theory, has largely assumed that the total solute…”
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The sensitivity of Secondary Organic Aerosol component partitioning to the predictions of component properties – Part 2: Determination of particle hygroscopicity and its dependence on "apparent" volatility by Topping, D. O., Barley, M. H., McFiggans, G.

“…A large number of calculations of absorptive partitioning of organic compounds have been conducted, making use of several methods to estimate pure component…”
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Closure study between chemical composition and hygroscopic growth of aerosol particles during TORCH2 by Gysel, M., Crosier, J., Topping, D. O., Whitehead, J. D., Bower, K. N., Cubison, M. J., Williams, P. I., Flynn, M. J., McFiggans, G. B., Coe, H.

“…Measurements of aerosol properties were made in aged polluted and clean background air masses encountered at the North Norfolk (UK) coastline as part of the…”
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