The World Trade Center, the skyline's most distinctive feature, is a mixture of dust and memories.
A1 Deadly Dust Debate Revived An autopsy report that linked toxic air at ground zero after the trade center collapse to the death of a retired detective who worked on the ruins has reopened old wounds by giving new evidence to those who brought lawsuits alleging that the mixture of dust and fumes was deadly.
That smell made such a deep impression on me when I was young that I can easily summon it now: a mixture of dust and damp and floor drain and plywood and clothes-dryer exhaust (which my mother filtered through an old nylon stocking or panty-hose leg that she rubber-banded to the end of a curving corrugated duct).
The volcanoes eject a mixture of dust and gases of sulfur and oxygen.
In our current understanding, active cometary nuclei comprise a volatile-depleted outer crust covering a mixture of dust and ices.
In comets, we deal with a mixture of dust particles having completely different optical properties; whereas, in the given paper, we consider those constituents separately one from another.
The method sprays a calibrated aqueous soiling mixture of dust minerals, black carbon, humic acid, and salts onto preconditioned coupons of roofing materials, then subjects the soiled coupons to cycles of ultraviolet radiation, heat and water in a commercial weatherometer.
The study "Maximale Arbeitsplatz-Konzentration" was conducted by the German Research Foundation and comprises among others a cohort of 920 smoking workers exposed to a mixture of dust, mainly from iron, steel, foundry and engineering [ 15, 16].
Comets are mixtures of dust and ice accreted early in the history of the solar system (Festou et al. 2004).
Real dust samples will be harder to track down, he notes, because they are mixtures of dust, some of which may even have come from as far away as 15,000 kilometers.
