PPT-Inter-comparison of Long-Term Ambient Ultrafine Particle Size Distribution Measurements

Brian P Frank 1 Jacqueline Perry 1 HD Felton 1 Robert C Anderson 2 Oliver Rattigan 1 Kevin Civerolo 1 and Olga Hogrefe 3 1 Division of Air Resources New York State Department of Environmental Conservation Albany NY . AAppppppllliiicccaaatttiiiooonnns PARTICLE CHARACTERIZATION OF OINTMENTS AND CREAMS USING IMAGE ANALYSIS Ointments and creams used in the pharmaceutical and cosmetics industry may contain Particle Si Mohammad . Mahareeq. Characterization of Solid Particles. Solid particles are characterized by their shape, size and density.. Particles of homogeneous solids have the same density as the bulk material.. Jorge Schulz. jschulz@bechtel.com. Bechtel National Inc.. 10 May 2012. Background leading to the deposition velocity investigation. Particle size distributions investigated. Determination of deposition velocity distributions. CalNex. Chris . Cappa. . (UCD). . Paola . Massoli. Tim . Onasch. Doug . Worsnop. Katheryn. . Kolesar. Jani. . Hakala. Shao-. Meng. Li . Ibraheem. . Nuaaman. Kathy Hayden. . Trish Quinn. Tim Bates. , K. . Khinchi. , A. . Goyal. , N. Roy and . R. . Nagarajan. Dept. of Chemical Engineering. IIT Madras. CAV 2012, Aug 13-16, 2012, Singapore.  .  . Sono. -Synthesis and Dispersion of Nano-Particles: Experiments & Simulation. ATM 419. Spring 2016. Fovell. 1. Condensed water species. Cloud droplets (q. c. ). Rain drops (. q. r. ). Ice crystals (q. i. ). Snow aggregates (. q. s. ). Graupel. particles (. q. g. ). Hail (. q. Greg. . M. McFarquhar. 1. ,. . Daniel M. Stechman. 1. , . Robert M. Rauber. 1. , Robert A. Black. 2. . and Brian F. Jewett. 1. 1. University . of Illinois at Urbana-Champaign, Urbana, IL. 2. National Oceanic and Atmospheric Administration – Hurricane Research Division, Miami, FL. Pharmaceutical powders may be classified as free-flowing or cohesive (non-free flowing). ► Flow properties are significantly affected by changes in particle size, density, shape, electrostatic charge and adsorbed moisture, which may arise from processing or formulation.. goals. streaming analysis concepts. automated . approaches. sedimentation, laser light, and other techniques. contrast and compare techniques. examine particle size distributions, data. 2. Automated Particle Size Analysis. Dirk Felton, P.E. Research Scientist III. Seminar: AWMA Niagara Frontier Section. January 25, 2017. . Division . of Air Resources . Bureau . of Air Quality Surveillance . What are Ultrafine Particles?. UIOPS Workflow. UIOPS Processing Details. Option to compute . D. max. following a circular, rectangular, and elliptical fit around particle. Latter 2 use Computational Geometry Algorithms Library. Wu and McFarquhar (2016). Elisabeth Andrews. CATCOS Aerosol Workshop, June 2016. What’s an Aerosol. ?. Definition: . Particle or liquid suspended in a gas.. Examples of atmospheric aerosols:. Dust. Combustion aerosol (forest fires, vehicles…). ► Flow properties are significantly affected by changes in particle size, density, shape, electrostatic charge and adsorbed moisture, which may arise from processing or formulation.. ► Pre-formulation, powder flow should be determined for the improvement of pharmaceutical formulation and consequences of processing.. . supersite. P. . Formenti. , A. G. di . Sarra. , and the . ChArMex. Lampedusa team . 2. Centre National des Recherches Météorologiques. ERS. MNC. LMP. 35.5°N, 12.6°E. Station. Airport. 2 km. 10 km.