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Littérature scientifique sur le sujet « Dust, analysis »

Auteur : Grafiati
Publié le 4 juin 2021
Mis à jour le 1 février 2022

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Articles de revues sur le sujet "Dust, analysis"

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Plumier, Benjamin M., Yumeng Zhao, Mark E. Casada, Ronaldo G. Maghirang et R. P. Kingsly Ambrose. « Analysis of Corn Dust Particle Properties and How Surface Roughness Influences Adhesion ». Transactions of the ASABE 63, no 5 (2020) : 1493–97. http://dx.doi.org/10.13031/trans.13892.

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HighlightsFreshly harvested, higher quality corn samples have a higher proportion of small dust particles with a lower circularity and aspect ratio compared to older, lower quality samples.For freshly harvested grain, dust particles removed at low centrifuge speed were significantly rougher than particles removed at high speed.Lower quality corn did not show a significant decrease in particle roughness for strongly attached dust.The surface area decreased while the surface energy increased with the attachment strength of dust particles.Abstract. High dust concentrations associated with grain handling can cause serious problems, including health and safety risks from dust inhalation and increased risk of explosions due to contained suspended dust in the presence of an ignition source. The amount of dust generated during grain handling is influenced by several factors, including the adhesion strength of dust to the grain. One factor that could influence the adhesion strength of grain dusts is how the dust particles are shaped and how their shape relates to the surface texture of corn. To better understand the properties of dust particles separated from corn samples, dust samples were analyzed for morphology and particle size. In addition, dust samples were separated with different centrifugation speeds to compare the properties of dusts that were strongly or weakly attached to the grain. These samples were observed with a light profilometer to measure their surface roughness characteristics. Results showed that freshly harvested corn samples contained a higher presence of small particles with low circularity than older, lower quality samples. The large particles observed were determined to be starch, as opposed to the smaller particles that were more likely soil or other non-plant-based material. The dust particles that were more strongly attached to corn kernels tended to have lower surface roughness than those that were weakly attached for the freshly harvested grain. Keywords: Dust adhesion, Particle shape, Surface adhesion, Surface roughness.
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Areias, Pedro, Jebun Naher Sikta et Manuel Pereira dos Santos. « Stable finite element analysis of viscous dusty plasma ». Engineering Computations 35, no 3 (8 mai 2018) : 1230–49. http://dx.doi.org/10.1108/ec-06-2017-0191.

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Purpose The purpose of this paper is to provide an analysis of dust acoustic (solitary) waves including viscosity. Specifically, the authors consider a dusty unmagnetized plasma system consisting of negatively charged dust and Boltzmann electrons and ions. Design/methodology/approach In this paper, a Petrov–Galerkin weak form with upwinding is adopted. Nonlinearity of ion and electron number density in terms of an electrostatic potential is included. A fully implicit time integration is used (backward Euler method), which requires the first derivative of the weak form. A three-field formulation is proposed, with the dust number density, the electrostatic potential and the dust velocity being the unknown fields. Findings In this study, two numerical examples are introduced and results show great promise for the proposed formulation as a predictive tool in viscous dusty plasmas. Presence of solitary waves was demonstrated. Dusty plasma vortices are predicted in 2D and 3D, as mentioned in the specialized literature. Research limitations/implications We observed some dependence on step size, which is due to the simple time-stepping scheme. This can be solved with a higher order integration scheme, which implies an added cost to the solution. Practical implications Dusty plasmas are found in astrophysics (Saturn rings) and electronics industry at several scales and have high impact as a contaminant. Originality/value To the authors’ knowledge, this is the first paper with a simulation of dusty plasma including vortices.
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Hu, Xiong, et Guang Sheng Ren. « Analysis of Dust in the Metro’s Bottom and the Dust Removal Project ». Advanced Materials Research 955-959 (juin 2014) : 3901–5. http://dx.doi.org/10.4028/www.scientific.net/amr.955-959.3901.

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After the metro run a long time, the bottom of the car body will be deposited amount of dusts. We must remove the dusts in the bottom. If we take some traditional methods, this not only will make the working environment dirty, but also unable to clear all dusts. This paper analyzes the dusts in the metro’s bottom first, and then introduces the dusts removal project, this project use 4 air compressors and 6 industrial vacuum cleaners, air compressors are on one side, and industrial vacuum cleaners are on the other side, this means we take two way to deduce the dust at the same time, blow and inhale. Last we design the vacuum pipelines.
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Havnes, Ove, Tarjei Antonsen, Gerd Baumgarten, Thomas W. Hartquist, Alexander Biebricher, Åshild Fredriksen, Martin Friedrich et Jonas Hedin. « A new method of inferring the size, number density, and charge of mesospheric dust from its in situ collection by the DUSTY probe ». Atmospheric Measurement Techniques 12, no 3 (15 mars 2019) : 1673–83. http://dx.doi.org/10.5194/amt-12-1673-2019.

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Abstract. We present a new method of analyzing measurements of mesospheric dust made with DUSTY rocket-borne Faraday cup probes. It can yield the variation in fundamental dust parameters through a mesospheric cloud with an altitude resolution down to 10 cm or less if plasma probes give the plasma density variations with similar height resolution. A DUSTY probe was the first probe that unambiguously detected charged dust and aerosol particles in the Earth's mesosphere. DUSTY excluded the ambient plasma by various biased grids, which however allowed dust particles with radii above a few nanometers to enter, and it measured the flux of charged dust particles. The flux measurements directly yielded the total ambient dust charge density. We extend the analysis of DUSTY data by using the impact currents on its main grid and the bottom plate as before, together with a dust charging model and a secondary charge production model, to allow the determination of fundamental parameters, such as dust radius, charge number, and total dust density. We demonstrate the utility of the new analysis technique by considering observations made with the DUSTY probes during the MAXIDUSTY rocket campaign in June–July 2016 and comparing the results with those of other instruments (lidar and photometer) also used in the campaign. In the present version we have used monodisperse dust size distributions.
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TRIBECHE, MOULOUD. « Small-amplitude analysis of a non-thermal variable charge dust soliton ». Journal of Plasma Physics 74, no 4 (août 2008) : 555–68. http://dx.doi.org/10.1017/s002237780800706x.

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AbstractSmall-amplitude electrostatic solitary waves are investigated in an unmagnetized dusty plasma with hot variable charge non-thermal dust grains. These nonlinear localized structures are small-amplitude self-consistent solutions of the Vlasov equation in which the dust response is non-Maxwellian. Localized solitary structures that may possibly occur are discussed and the dependence of their characteristics on physical parameters is traced. Our investigation may be taken as a prerequisite for the understanding of the electrostatic solitary waves that may occur in space dusty plasmas.
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Lin, Chang, Wei-gui Feng et Mai-mai Lin. « Theoretic study of dust acoustic waves in a dusty plasma with dust charge variation ». Communications in Nonlinear Science and Numerical Simulation 13, no 7 (septembre 2008) : 1287–93. http://dx.doi.org/10.1016/j.cnsns.2006.12.004.

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Cui, Yubao, Cuixiang Gao, Ying Zhou, Peng Zhou, Ming Peng, Yingzi Lin et Jianglong Peng. « Phylogenetic analysis of house dust mites ». Open Medicine 5, no 1 (1 février 2010) : 69–74. http://dx.doi.org/10.2478/s11536-009-0106-6.

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AbstractHouse dust mites live in house dusts and affect the health of humans. Among the many species, Dermatophagoides farinae, D. pteronyssinus, and Euroglyphus maynei have been found to be commonly associated with Ig-E-mediated allergic diseases. As a result, there is increasing effort to develop methods for the diagnosis and treatment of diseases caused by these species. The purpose of the current study was to explore the evolutionary relationships among house dust mites. After adult D. farinae were separated and isolated for total RNA extract, the cDNA coding for Der f 1 and Der f 2 were cloned and sequenced. Then amino acid sequences for group 1 and 2 allergens of two of the most common house dust mites, D. pteronyssinus, E. maynei, were obtained from databases. Interestingly, homological analysis of amino acid sequences showed that both Der p 1 and Der p 2 from D. pteronyssinus had more similarities to Eur m 1 and Eur m 2, respectively, than they had to Der f 1 and Der f 2 from D. farinae. In the phylogenetic trees, D. pteronyssinus clustered with E. maynei, but not with D. farinae, although D. pteronyssinus and D. farinae belong to the same genus according to morphological taxonomy. It was previously assumed that D. pteronyssinus was more similar to E. maynei than to D. farinae at evolutionary levels.
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Krawczyk, Janusz, Katarzyna Kocewiak, Jan Talaga et Irina Postnikova. « MECHANISMS OF TRAPPING FINE DUST IN WET DUST COLLECTING APPARATUS ». IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 62, no 9 (31 août 2019) : 97–101. http://dx.doi.org/10.6060/ivkkt.20196209.5926.

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The high efficiency of intensive operation of wet scrubbers is the result of a simultaneous formation of different mechanisms of dust particle collectors. The collectors can be understood as droplets of atomised liquid, bubbles formed in the conditions of intensive barbotage, liquid surface and wet surfaces. All collectors are formed during the operation of the circulating unit. The deposition of dust particles from gas occurs as a result of centrifugal forces and secondary circulations in the guide duct as well as the effect of the water curtain, liquid barbotage and the flow of dusty gas through the droplet-splash layer. Discussions substantiating the possibility of confirming the effect of suspension viscosity on the efficiency of the dust collection process can be related both to the analysis of basic mechanisms affecting the deposition of particles on liquid collectors and the conditions of generating collectors. In total liquid recirculation in wet dedusting equipment, concentration of solids in a liquid rises. In such conditions, a gradual decrease in their dedusting efficiency is possible. The effect depends on dust physiochemical properties, kinetic energy of particles, the type of equipment used, and specifically on the way of organization of the contact of the liquid and gas phases. Studies of the effectiveness of dedusting depending on various factors are given in the next article by the same authors.
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Li, Hui Xing, Bei Ni Li, Geng Geng, Wei Xiao et Wei Wang. « Detection and Analysis of Microbial Contamination in Central Air Conditioning System of a University ». Advanced Materials Research 610-613 (décembre 2012) : 661–64. http://dx.doi.org/10.4028/www.scientific.net/amr.610-613.661.

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Objective: Test the wind pipe dust and microorganism pollution status in the central air conditioning system of public buildings in the teaching area.Analysis of microbial pollution of the related factors.Methods:Sampling 6 functionally different area in the teaching building,using the microbiology analysis method on air conditioning system of blower tube surface dust pollution of microorganism detection,and the use of TiO2 photo catalyst purification mechanism on microbial contamination control.Results:on the basis of"centralized air ventilation system in public places sanitary specification",teaching areas of central air conditioning system of dust amount met the requirement basically.Bacterial concentrations generally beyond the standard,fungal concentration accords with the standard.The Method using TiO2 photo catalysis sterilization was proposed. Conclusion:Teaching of regional air conditioning pipe inner product dust weight is relatively large.Microbial pollution is serious.It is necessary that cleaning air conditioning system timely and using TiO2 Photocatalyst purification mechanism for killing air duct surface dust microorganism.
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Locard, Edmond. « Dust and its Analysis ». Police Journal : Theory, Practice and Principles 66, no 2 (avril 1993) : 153–65. http://dx.doi.org/10.1177/0032258x9306600208.

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Thèses sur le sujet "Dust, analysis"

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Pike, J. « Analysis of dusty shock waves for a mixed dust ». Thesis, Cranfield University, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.385879.

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Birkett, C. M. « Optical and infrared studies of cometary dust ». Thesis, University of Leicester, 1987. http://hdl.handle.net/2381/35839.

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In 1968, Finson and Probstein outlined a theory which could be used to analyse cometary dust tails. This theory is applied to a series of P/Halley images, obtained using the UK Schmidt Telescope. The theory is successful and shows that P/Halley underwent a series of major outbursts during early 1986. The duration of the outbursts is approximately 2 days. This value coincides with the 2.2day nuclear rotation period, estimated by other observers. The size of the dust grains varies from submicron to several hundred microns and their calculated orbital parameters indicate that a considerable fraction of the larger grains contibute to the Zodiacal Dust Cloud. A range of CCD and UK Schmidt images reveal dust features in the comae of comets P/Crommelin, P/Giacobini-Zinner and P/Halley. Intensity contours for many images exhibited a "swinging round" effect i.e. for each image there was a systematic change in the photometric axis from the central condensation outwards. This was attributed to radiation pressure effects. Astrometric images of P/Halley show sharp parabolic hoods. These hoods are discussed with reference to near-nuclear dust grain orbits. Preliminary results indicate that the rotation period of Hailey is at least a few days. Mie (1908), developed a method by which the general properties of scattering and emission by dust grains, can be used to model cometary thermal spectra. Such a method is applied to several P/Halley spectra, taken during April, 1986. The results indicate that the dust grains could be composed of both an absorbing (e.g. magnetite) and a dielectric (e.g. silicate) material. The interrelations between decaying comets and Earth-crossing asteroids are discussed. Optical and infrared observations indicate that comet P/Neujmin 1 may be a transitionary object. P/Arend-Rigaux however, is still very active, displaying a large dust coma, with anisotropic emission.
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Lampshire, Shelby. « Metal Dust Cloud Distribution Characterization Through Image Analysis ». DigitalCommons@CalPoly, 2021. https://digitalcommons.calpoly.edu/theses/2333.

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With the increasing development of metal additive manufacturing technology, the present need for accurate explosivity testing of high density and exotic metal powders is under active research. The accuracy of such tests depends upon the uniformity of the dust dispersion within the testing chambers during ignition. There is a need for further research to understand the dust cloud dispersion process in order to determine the best time for ignition. This study explores a methodology of using high-speed footage and image analysis to characterize the uniformity of a dust cloud temporally that future applications may build upon. This thesis consisted of the experimental methods used to generate a dust cloud for image acquisition and an in-depth study of processing pixel data in MATLAB to determine points of highest dust cloud uniformity. The image analysis process was applied to the generated footage and the results were assessed through visual means. The analysis was also applied to dust cloud footage generated by Lawrence Livermore National Laboratory on a transparent replica of a modified ANKO 20-L explosivity testing apparatus. The image analysis methodology proved to offer a promising means of determining dust distribution uniformity as it relates to the timing of explosivity ignition.
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Janugani, Swapna. « Directional analysis and filtering for dust storm detection in NOAA-AVHRR imagery ». To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2009. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.

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Ahmadian, Hossein. « Analysis of enzyme dust formation in detergent manufacturing plant ». Thesis, University of Leeds, 2008. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.515281.

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Fiege, Katherina [Verfasser], et Mario [Akademischer Betreuer] Trieloff. « Compositional Analysis of Interstellar Dust as seen by the Cassini Cosmic Dust Analyzer / Katherina Fiege ; Betreuer : Mario Trieloff ». Heidelberg : Universitätsbibliothek Heidelberg, 2013. http://d-nb.info/1177249359/34.

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Liu, Bing. « Characterisation of Dust Particles Trapped in Silica Aerogels ». Thesis, KTH, Fusionsplasmafysik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-38828.

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This thesis involves the study of dust particles trapped in silica aerogel for fusion dust diagnostics purpose. The low velocity impact experiments are done by implanting predefined dust particles into silica aerogel by using a springpiston air gun. The impact experiment results show that the hypervelocity impact model may not suitable for describing the fusion characteristic dust particles. The samples made by impact experiment are analyzed by ion microbeam analysis methods: Rutherford backscattering spectrometry (RBS) and Particle-induced X-ray Emission spectrometry (PIXE). The elements of dust particles are well identified by the X-ray spectra. The X-ray maps clearly show the dust shape. RBS and NRA spectra of an individual particle or a specific region show the depth information of the trapped particles, which is useful for determining the dust velocities. For the interpretation of ion beam analysis result, simulation of dust particles for RBS and NRA are done. The accessible depth for ion beam analysis in silica aerogel can be several hundred micrometers, which is adequate for dust diagnostics.
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Scott, Alan Douglas. « Laboratory formation and analysis of the materials comprising interstellar dust ». Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq22236.pdf.

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Kjellqvist, Jimmy. « Foundation for an analysis of the dust of theNearby Universe ». Thesis, Uppsala universitet, Institutionen för fysik och astronomi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-438508.

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The current cosmological paradigm of an accelerating cosmic expansion issupported by observations of Type Ia supernovae. However, the light emittedby these and other cosmological sources is not only redshifted by cosmicexpansion but will also interact with matter along the light path. Especiallyintergalactic dust can lead to additional reddening and dimming of distantsources due to light scattering or absorption. This yields systematiccontaminations to cosmological measurements. This project builds afoundation and some of the tools that will be used in a master’s thesis withthe aim of analysing the spatial distribution and the properties of this cosmicdust. While previous studies assumed cosmic dust to be homogeneouslydistributed, it is expected to follow the spatial distribution of galaxies fromwhich it was expelled. This project also starts to recreate previous models ofhomogeneous dust models and measurements which will be used the futuremaster’s thesis. An analysis of the methods and tools used, along with some ofthe dust properties, is also made in this project.
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Perry, Chris. « In-situ dust mass distribution measurements from Giotto encounter with comet P/Halley ». Thesis, University of Kent, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.278457.

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Livres sur le sujet "Dust, analysis"

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Extraterrestrial dust : Laboratory studies of interplanetary dust. Tokyo : Terra Scientific Pub. Co., 1994.

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M, Hays Steve, dir. Settled asbestos dust sampling and analysis. Boca Raton, Fla : Lewis Publishers, 1994.

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CCPS. Guidelines for Combustible Dust Hazard Analysis. Hoboken, NJ, USA : John Wiley & Sons, Inc., 2017. http://dx.doi.org/10.1002/9781119378204.

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Raymond, Lewis D. Respirable coal mine dust sample processing. [Washington, D.C.?] : Mine Safety and Health Administration, 1988.

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Wilson, R. D. Removal of alkalies from portland cement kiln dust. Avondale, Md : U.S. Dept. of the Interior, Bureau of Mines, 1986.

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NASA/LPI Workshop on Cosmic and Interplanetary Dust (1993 Houston, Texas). Analysis of interplanetary dust : NASA/LPI Workshop, Houston, TX, May 1993. Sous la direction de Zolensky M. E, United States. National Aeronautics and Space Administration. et Lunar and Planetary Institute. New York : AIP Press, 1994.

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Dermott, S. F. Analysis of IRAS solar system dust data : Final technical report, 6/01/1989 - 12/31/1991. [Washington, D.C : National Aeronautics and Space Administration, 1992.

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Miola, Wilson. Analysis of dust concentration patterns in high-production longwalls. University Park, PA : Dept. of Mineral Engineering, Pennsylvania State University, 1998.

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Parker, Paul Oliver. Dust & pneumoconiosis : Medical subject analysis and research guidebook with bibliography. Washington, D.C : ABBE Publishers Association, 1987.

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Reed, William Randolph. Guidelines for performing a Helmet-CAM respirable dust survey and conducting subsequent analysis with the enhanced video analysis of dust exposures (EVADE) software. Pittsburgh, PA : Department of Health and Human Resources, Centers for Disease Control and Preention, National Institute for Occupational Safety and Health, 2014.

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Chapitres de livres sur le sujet "Dust, analysis"

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Ruiz, V., et J. Userò. « Dust Analysis ». Dans The IEA/SSPS Solar Thermal Power Plants — Facts and Figures— Final Report of the International Test and Evaluation Team (ITET), 130. Berlin, Heidelberg : Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-82684-9_56.

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Al-Obed, Meshari, Sief Uddin et Ashraf Ramadhan. « Dust Storm Satellite Images ». Dans Atlas of Fallen Dust in Kuwait, 1–46. Cham : Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-66977-5_1.

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Abstract DATA of Aerosol Robotic Network (Aeronet) stations and Ozone Monitoring Instrument (OMI) were obtained to get valuable and reliable information about the occurrence of dust events. In addition to Total Ozone Mapping Spectrometer (TOMS) provide informative and long dust events record. To analyze the dust time series, monthly, annual and seasonal linear trends are applied to the dust time series. This is achieved by summing the total number of dusty hours for each month and then the total number of dusty days for the month is calculated. Dust trend analysis includes; annual, winter, spring, summer and autumn with the rate of change. Dust frequency of seasons in days/season before and after sorting in a descending manner from 1984 to 2013. Satelliteimagesuse for PM2.5 Estimation and concentrations Remote sensing-based measurements Calibration of Field and Laboratory Equipment. Particle concentrations in different size ranges and the total suspended particulate matter in the air in Kuwait. Dust deposition rates were monitored and analyzed in Kuwait at the northern ArabianGulf to estimate quantities of fallen dust within major eight dust trajectories in the ArabianGulf. Kuwait is surrounded by five major sources of dust rather than intermediate dust source areas that are listed. Satelliteimages from 2000 to 2010 were used to identify major dust trajectories within seven major deserts in the world.
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Radojevic, Miroslav, et Vladimir N. Bashkin. « Soil, Sediment, Sludge, and Dust Analysis ». Dans Practical Environmental Analysis, 266–362. Cambridge : Royal Society of Chemistry, 2007. http://dx.doi.org/10.1039/9781847552662-00266.

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Thomas, W. R., et K. Y. Chua. « Molecular Analysis of House Dust Mite Allergens ». Dans Progress in Immunology Vol. VIII, 427–33. Berlin, Heidelberg : Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-51479-1_56.

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Dermott, S. F., P. D. Nicholson, J. A. Burns et J. R. Houck. « An Analysis of IRAS Solar System Dust Bands ». Dans Properties and Interactions of Interplanetary Dust, 395–409. Dordrecht : Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-5464-9_77.

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Wallenwein, R., H. Blank, E. K. Jessberger et K. Traxel. « Proton Induced X-Ray Emission (PIXE) Analysis of Meteoritic Microsamples ». Dans Properties and Interactions of Interplanetary Dust, 157–58. Dordrecht : Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-5464-9_33.

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Deshmukh, Adnan, Samarth Patwardhan, Nilesh Sakpal, Akshay Agwan et Sagar Wakale. « Mathematical Modelling and Analysis of Nano-dust Explosion ». Dans Lecture Notes in Civil Engineering, 1033–46. Singapore : Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-3119-0_71.

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Vaicis, Ivo, Alexander Janushevskis, Ilmars Viksne et Janis Auzins. « Analysis and Optimization of Dust Control Hopper System ». Dans Lecture Notes in Mechanical Engineering, 1157–63. Singapore : Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-8049-9_74.

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Yamakoshi, Kazuo, et Ken’ichi Nogami. « Studies on Isotopic Ratios of Osmium and Iridium in Cosmic Spherules Using Instrumental Neutron Activation Analysis ». Dans Origin and Evolution of Interplanetary Dust, 109–12. Dordrecht : Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3640-2_23.

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Jani, Kaushal B., et Jatinkumar J. Patel. « Conditional Analysis of Dust Accumulated on Solar Photovoltaic Panel ». Dans Proceedings of the International Conference on Intelligent Systems and Signal Processing, 199–210. Singapore : Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-6977-2_18.

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Actes de conférences sur le sujet "Dust, analysis"

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null. « Collection of interplanetary dust ». Dans Analysis of interplanetary dust : NASA/LPI workshop. AIP, 1994. http://dx.doi.org/10.1063/1.46513.

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Waysand, G., E. Pozzo di Borgo, S. Soula, M. Pyée, J. Marfaing, J. J. Bois, M. Yedlin et al. « Azimuthal analysis of [SQUID]2signals for mesopause and sprites excitations ». Dans i-DUST 2010. Les Ulis, France : EDP Sciences, 2011. http://dx.doi.org/10.1051/idust/201102004.

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Zandi, A. Shahidi, G. Dumont, M. Yedlin, Ph Lapeyrie, C. Sudre et S. Gaffet. « Analysis of scalp EEG recorded in a low-noise environment ». Dans i-DUST 2010. Les Ulis, France : EDP Sciences, 2011. http://dx.doi.org/10.1051/idust/201103002.

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Fomenkova, Marina, et Sherwood Chang. « Carbon in comet Halley dust particles ». Dans Analysis of interplanetary dust : NASA/LPI workshop. AIP, 1994. http://dx.doi.org/10.1063/1.46508.

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null. « Mineralogy and composition of interplanetary dust ». Dans Analysis of interplanetary dust : NASA/LPI workshop. AIP, 1994. http://dx.doi.org/10.1063/1.46522.

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Keller, Lindsay P., Kathie L. Thomas et David S. McKay. « Carbon in primitive interplanetary dust particles ». Dans Analysis of interplanetary dust : NASA/LPI workshop. AIP, 1994. http://dx.doi.org/10.1063/1.46531.

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Flynn, G. J. « Cometary dust : A thermal criterion to identify cometary samples among the interplanetary dust collected from the stratosphere ». Dans Analysis of interplanetary dust : NASA/LPI workshop. AIP, 1994. http://dx.doi.org/10.1063/1.46510.

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Nier, Alfred O. « Helium and neon in interplanetary dust particles ». Dans Analysis of interplanetary dust : NASA/LPI workshop. AIP, 1994. http://dx.doi.org/10.1063/1.46527.

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null. « Remote sensing and dynamics of interplanetary dust ». Dans Analysis of interplanetary dust : NASA/LPI workshop. AIP, 1994. http://dx.doi.org/10.1063/1.46528.

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Wilson, Thomas L. « Volcanism and levitation : Unusual origins of interplanetary dust ». Dans Analysis of interplanetary dust : NASA/LPI workshop. AIP, 1994. http://dx.doi.org/10.1063/1.46521.

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Rapports d'organisations sur le sujet "Dust, analysis"

1

C. Bryan. ANALYSIS OF DUST DELIQUESCENCE FOR FEP SCREENING. Office of Scientific and Technical Information (OSTI), août 2005. http://dx.doi.org/10.2172/883418.

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RILEY, MERLE E., et GREGORY A. HEBNER. Analysis of Plasma Dust Particle Crystals Confined within a Potential Well. Office of Scientific and Technical Information (OSTI), juin 2001. http://dx.doi.org/10.2172/782719.

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Bryan, Charles, et Andrew Knight. Analysis of Dust Samples Collected from an Inland ISFSI Site (Site A). Office of Scientific and Technical Information (OSTI), décembre 2020. http://dx.doi.org/10.2172/1738872.

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Knight, Andrew, et Charles Bryan. Analysis of Dust Samples Collected from an Inland ISFSI Site (?Site B?). Office of Scientific and Technical Information (OSTI), décembre 2020. http://dx.doi.org/10.2172/1817300.

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Bryan, Charles R., et David Enos. Analysis of Dust Samples Collected from an In-Service Interim Storage System at the Maine Yankee Nuclear Site. Office of Scientific and Technical Information (OSTI), octobre 2016. http://dx.doi.org/10.2172/1431189.

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Bryan, Charles R., et David Enos. Analysis of Dust Samples Collected from an Unused Spent Nuclear Fuel Interim Storage Container at Hope Creek, Delaware. Office of Scientific and Technical Information (OSTI), mars 2015. http://dx.doi.org/10.2172/1177841.

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Bryan, Charles R., et David George Enos. Analysis of dust samples collected from spent nuclear fuel interim storage containers at Hope Creek, Delaware, and Diablo Canyon, California. Office of Scientific and Technical Information (OSTI), juillet 2014. http://dx.doi.org/10.2172/1174230.

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Sinclair, Samantha, et Sandra LeGrand. Reproducibility assessment and uncertainty quantification in subjective dust source mapping. Engineer Research and Development Center (U.S.), août 2021. http://dx.doi.org/10.21079/11681/41523.

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Résumé :
Accurate dust-source characterizations are critical for effectively modeling dust storms. A previous study developed an approach to manually map dust plume-head point sources in a geographic information system (GIS) framework using Moderate Resolution Imaging Spectroradiometer (MODIS) imagery processed through dust-enhancement algorithms. With this technique, the location of a dust source is digitized and recorded if an analyst observes an unobscured plume head in the imagery. Because airborne dust must be sufficiently elevated for overland dust-enhancement algorithms to work, this technique may include up to 10 km in digitized dust-source location error due to downwind advection. However, the potential for error in this method due to analyst subjectivity has never been formally quantified. In this study, we evaluate a version of the methodology adapted to better enable reproducibility assessments amongst multiple analysts to determine the role of analyst subjectivity on recorded dust source location error. Four analysts individually mapped dust plumes in Southwest Asia and Northwest Africa using five years of MODIS imagery collected from 15 May to 31 August. A plume-source location is considered reproducible if the maximum distance between the analyst point-source markers for a single plume is ≤10 km. Results suggest analyst marker placement is reproducible; however, additional analyst subjectivity-induced error (7 km determined in this study) should be considered to fully characterize locational uncertainty. Additionally, most of the identified plume heads (> 90%) were not marked by all participating analysts, which indicates dust source maps generated using this technique may differ substantially between users.
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Sinclair, Samantha, et Sandra LeGrand. Reproducibility assessment and uncertainty quantification in subjective dust source mapping. Engineer Research and Development Center (U.S.), août 2021. http://dx.doi.org/10.21079/11681/41542.

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Résumé :
Accurate dust-source characterizations are critical for effectively modeling dust storms. A previous study developed an approach to manually map dust plume-head point sources in a geographic information system (GIS) framework using Moderate Resolution Imaging Spectroradiometer (MODIS) imagery processed through dust-enhancement algorithms. With this technique, the location of a dust source is digitized and recorded if an analyst observes an unobscured plume head in the imagery. Because airborne dust must be sufficiently elevated for overland dust-enhancement algorithms to work, this technique may include up to 10 km in digitized dust-source location error due to downwind advection. However, the potential for error in this method due to analyst subjectivity has never been formally quantified. In this study, we evaluate a version of the methodology adapted to better enable reproducibility assessments amongst multiple analysts to determine the role of analyst subjectivity on recorded dust source location error. Four analysts individually mapped dust plumes in Southwest Asia and Northwest Africa using five years of MODIS imagery collected from 15 May to 31 August. A plume-source location is considered reproducible if the maximum distance between the analyst point-source markers for a single plume is ≤10 km. Results suggest analyst marker placement is reproducible; however, additional analyst subjectivity-induced error (7 km determined in this study) should be considered to fully characterize locational uncertainty. Additionally, most of the identified plume heads (> 90%) were not marked by all participating analysts, which indicates dust source maps generated using this technique may differ substantially between users.
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10

Chatterjee, Tapan, Stacey Kerwien, Eugene LaBuz et Elias Jelis. Aluminum-Zinc (Al-Zn) Dust Analyses for Recycling Purposes. Fort Belvoir, VA : Defense Technical Information Center, août 2011. http://dx.doi.org/10.21236/ada547552.

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