Results 251 to 260 of about 243,837 (300)

Aqueous-phase secondary organic aerosol formation on mineral dust. [PDF]

Natl Sci Rev
Li W, Ito A, Wang G, Zhi M, Xu L, Yuan Q, Zhang J, Liu L, Wu F, Laskin A, Zhang D, Zhang X, Zhu T, Chen J, Mihalopoulos N, Bougiatioti A, Kanakidou M, Wang G, Hu H, Zhao Y, Shi Z.   +20 more
europepmc   +1 more source

Line-of-sight stability in unmanned aerial vehicle relays for hybrid free-space optical and visible light communication links under atmospheric effects. [PDF]

PLoS One
Sliti M, Ghafoor S, Ayouni S, Mrabet M, Ammar LB, Ijaz M.   +5 more
europepmc   +1 more source

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PHYSICS OF ZODIACAL DUST

Annual Review of Earth and Planetary Sciences, 1994
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Physics of Collective Dust-Dust Attraction and Dust Structure Formation

AIP Conference Proceedings, 2002
Collective attraction forces between two test dust grain in presence of many other dust grains are related with collective plasma flux. The basic state is formed by the balance of the plasma absorption on grains and plasma ionization. In the limit where the collective interaction dominates (a 2/ λ Di 2 >> Ti/Te ,a being the dust ...
Tsytovich, V., Morfill, G.
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Physics of Interplanetary and Interstellar Dust

Space Science Reviews, 1996
Observations of dust in the solar system and in the diffuse interstellar medium are summarized. New measurements of interstellar dust in the heliosphere extend our knowledge about micron-sized and bigger particles in the local interstellar medium. Interplanetary grains extend from submicron- to meter-sized meteoroids. The main destructive effect in the
Eberhard Gr�n, Jiri Svestka
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Physics and Pixie Dust

American Scientist, 2009
For many years, historians of the Re naissance have lauded the value of forg eries and fakes. Counterfeit documents, passed off as real, offer invaluable clues about the wider culture in which they were made. They iHuminate subtle, taken-for-granted assumptions and habits of the time; after all, forgers must have had particular ideas in mind about what
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Physical Processes on Interplanetary Dust

2001
This chapter discusses physical processes affecting interplanetary dust grains, including processes determining dust formation, growth, disruption, and alteration. Computer simulations and laboratory studies of coagulation and aggregation show that mutual collisions between solid grains determine the growth of solid aggregates in the early solar system
Tadashi Mukai, Akiko M. Nakamura, Jürgen Blum, Robert E. Johnson, Ove Havnes   +4 more
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Dust in jupiter's magnetosphere: Physical processes

Planetary and Space Science, 1980
Abstract The physical processes acting on charged microscopic dust grains in the Jovian magnetosphere are examined. Such small dust grains are believed to be injected continuously into the magnetosphere via volcanic activity on Io. It is shown that electromagnetic forces dominate the dust particle dynamics, and that these particles behave ...
G.E. Morfill, E. Grün, T.V. Johnson
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Integrated Dust Analysis by Physical Methods

Angewandte Chemie International Edition in English, 1976
AbstractEnvironmental analyses show that the air which we breathe, and which is so essential to life, is in general a mixture of gaseous, liquid, and solid components. The solid airborne particles, whose concentration, homogeneity, chemical composition, size, and shape can vary over wide ranges, and whose origin may be “natural” or “artificial” are ...
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Physical properties of Planck Cold Dust Clumps

EAS Publications Series, 2015
To explore physical properties of Planck cold dust clumps, 674 of the pilot samples were observed at the 13.7 m telescope of Purple Mountain Observatory (PMO) in J = 1 – 0 transitions of CO, 13 CO and C 18 O. HCO + , HCN and N 2 H + emissions were also observed with PMO 13.7 m and IRAM 30 m telescopes. They are real cold and quiescent with mean T
Y. Wu, T. Liu, F. Meng, J. Yuan, T. Zhang, P. Chen, R. Hu, D. Li, S. Qin, B. Ju   +9 more
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