Preliminary results of size distribution airborne particles in Mexico City

1992 ◽  
Vol 64 (3-4) ◽  
pp. 649-658 ◽  
Author(s):  
S. Salazar ◽  
L. Lemoyne ◽  
I. Rosas
Keyword(s):  
Size Distribution ◽  
Mexico City ◽  
Airborne Particles ◽  
Preliminary Results

Novel Microstructures in Microwave Sintered Silicon Nitride

1996 ◽  
Vol 430 ◽  
Author(s):  
M. E. Brito ◽  
K. Hirao ◽  
M. Toriyama ◽  
M. Hirota
Keyword(s):  
Grain Size ◽  
Silicon Nitride ◽  
Size Distribution ◽  
Grain Size Distribution ◽  
Mechanical Performance ◽  
Microwave Sintering ◽  
Preliminary Results ◽  
Nitride Ceramics ◽  
Positive Effect ◽  
Sintered Silicon

AbstractPreliminary results on microwave sintering of seeded silicon nitride show that a well defined bi-modal grain size distribution is attainable in Si3N4-Y2O3-Al2O 3-MgO sintered bodies by microwave sintering at 28 GHz of materials seeded with ß-Si3N4 particles (2 vol. %). A positive effect on the mechanical performance is anticipated for these microstructurally controlled silicon nitride ceramics

Direct‐ and indirect‐acting mut agens of airborne particles from South‐Western Mexico city

1999 ◽  
Vol 70 (1-2) ◽  
pp. 103-113 ◽  
Author(s):  
Rafael Villalobos‐Pietrini ◽  
Salvador Blanco‐Jiménez ◽  
Sandra Gómez‐Arroyo
Keyword(s):  
Mexico City ◽  
Airborne Particles ◽  
Western Mexico

Mutagenicity assessment of airborne particles in Mexico City

1995 ◽  
Vol 29 (4) ◽  
pp. 517-524 ◽  
Author(s):  
Rafael Villalobos-Pietrini ◽  
Salvador Blanco ◽  
Sandra Gomez-Arroyo
Keyword(s):  
Mexico City ◽  
Airborne Particles

A Survey on Particle Size Distribution of Elements in Domestic Indoor Airborne Particles.

2001 ◽  
Vol 11 (2) ◽  
pp. 181-192
Author(s):  
Tomohiko SUGIYAMA ◽  
Takashi AMAGAI ◽  
Hidetsuru MATSUSHITA ◽  
Mitsuyuki SOMA
Keyword(s):  
Particle Size ◽  
Particle Size Distribution ◽  
Size Distribution ◽  
Airborne Particles ◽  
Distribution Of Elements

Preliminary results on the dynamics of particles and their size distribution at a karst spring during a snowmelt event

2015 ◽  
Vol 524 ◽  
pp. 326-332 ◽  
Author(s):  
Ferry Schiperski ◽  
Johannes Zirlewagen ◽  
Olav Hillebrand ◽  
Tobias Licha ◽  
Traugott Scheytt
Keyword(s):  
Size Distribution ◽  
Karst Spring ◽  
Preliminary Results ◽  
Dynamics Of Particles

scholarly journals The time evolution of aerosol size distribution over the Mexico City plateau

2009 ◽  
Vol 9 (13) ◽  
pp. 4261-4278 ◽  
Author(s):  
L. I. Kleinman ◽  
S. R. Springston ◽  
J. Wang ◽  
P. H. Daum ◽  
Y.-N. Lee ◽  
...  
Keyword(s):  
Size Distribution ◽  
Mexico City ◽  
Volume Growth ◽  
Fold Increase ◽  
Number Concentration ◽  
Aerosol Size Distribution ◽  
Detailed Model ◽  
Accumulation Mode ◽  
Mode Size ◽  
Aerosol Volume

Abstract. As part of the MILAGRO field campaign, the DOE G-1 aircraft was used to make measurements over and downwind of Mexico City with the objective of determining growth characteristics of aerosols from a megacity urban source. This study focuses on number concentration and size distributions. It is found that a 5-fold increase in aerosol volume is accompanied by about a 5-fold increase in accumulation mode number concentration. There is growth in aerosol volume because there are more accumulation mode particles, not because of an increase in the average size of accumulation particles. Condensation and volume growth laws were examined to see whether either is consistent with observations. Condensation calculations show that the growth of Aitken mode particles into the accumulation mode size range gives the required increase in number concentration. There are minimal changes in the accumulation mode size distribution with age, consistent with observations. Volume-growth in contrast yields a population of large particles, distinctly different from what is observed. Detailed model calculations are required to translate our observations into specific information on the volatility and properties of secondary organic aerosol.

Foot-and-mouth disease – Quantification and size distribution of airborne particles emitted by healthy and infected pigs

2007 ◽  
Vol 174 (1) ◽  
pp. 42-53 ◽  
Author(s):  
John Gloster ◽  
Paul Williams ◽  
Claudia Doel ◽  
Isabel Esteves ◽  
Hugh Coe ◽  
...  
Keyword(s):  
Size Distribution ◽  
Foot And Mouth Disease ◽  
Mouth Disease ◽  
Airborne Particles ◽  
Foot And Mouth ◽  
Disease Quantification
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