We applied standard diagnostic criteria for the recognition of pneumoconiosis (Craighead et al. 1982, 1988) including macules, defined as collections of dust-laden macrophages within the walls of respiratory bronchioles but without significant fibrosis; nodules, defined as fibrotic lesions up to 1 cm in size with round, irregular, or serpiginous borders; and interstitial fibrosis.
For example, dust samples were obtained from participants' vacuum bags as opposed to researcher-collected samples, and the time between collection of dust and urine samples varied between participants.
Previous studies have also demonstrated that it is possible to have subjects participate in the collection of dust samples, making it more cost effective to collect multiple samples over time (Arbes et al. 2005; Schram-Bijkerk et al. 2006).
Some participants have permitted the collection of dust, water and soil from their homes and yards.
Whenever a Julia set is not connected, then it must be simply a collection of dust on the plane, with the same general structure as the Cantor set.
Only a collection of dust, rocks or perhaps asteroids a lumpy "circumstellar disc" of matter spread around the star, seen edge-on from earth can account for its curious twinkling.In this section Stamping on tradition The first shall be last Nativity story?
monthly average of difference in efficiencies of solar photovoltaic module (before and after collection of dust) (percentage).
They have not, however, left the solar system, defined more or less by the extent of the Oort cloud, an enormous collection of dust and small objects caught in the sun's gravity (but just barely).
I'll admit, the collection of dust and muck around the edges of the S8 drives me crazy -- but I'm a bit of a gadget snob who likes everything pure and clean (I don't even use a case on my phones).
She lives on the East Coast with her husband, daughter, son and an eclectic collection of dust bunnies.
