fine dust levels
1Dust collector — Two rooftop dust collectors in Pristina, Kosovo A dust collector is a system used to enhance the quality of air released from industrial and commercial processes by collecting dust and other impurities from air or gas. Designed to handle heavy… …
2Dust Bowl — For other uses, see Dust Bowl (disambiguation). A farmer and his two sons during a dust storm in Cimarron County, Oklahoma, 1936. Photo: Arthur Rothstein. The Dust Bowl, or the Dirty Thirties, was a period of severe dust storms ca …
3Dust storm — For the fictional character, see Dust Storm (Transformers). For other uses, see Sandstorm (disambiguation). Part of the Nature series on Weather   Calendar seasons …
4Dust — For other uses, see Dust (disambiguation). A dust storm blankets Texas homes, in 1935. Dust consists of particles in the atmosphere that arise from various sources such as soil dust lifted up by wind (an Aeolian process), volcanic eruptions, and… …
5fine — 1 /faIn/ adjective 1 ALL RIGHT especially spoken a) good enough; all right: “I could make you some dinner if you like.” “It s okay, a sandwich is fine, thanks.” | This apartment is fine for two, but it gets very cramped with your mother here. | I …
6Interstellar medium — Interstellar redirects here. For other uses, see Interstellar (disambiguation). The distribution of ionized hydrogen (known by astronomers as H II from old spectroscopic terminology) in the parts of the Galactic interstellar medium visible… …
7Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …
8Fly ash — Photomicrograph made with a Scanning Electron Microscope (SEM): Fly ash particles at 2,000x magnification Fly ash is one of the residues generated in combustion, and comprises the fine particles that rise with the flue gases. Ash which does not… …
9Opportunity rover — (MER B) Opportunity in April 2003 Operator NASA Mission type Rover …
10Australia — /aw strayl yeuh/, n. 1. a continent SE of Asia, between the Indian and the Pacific oceans. 18,438,824; 2,948,366 sq. mi. (7,636,270 sq. km). 2. Commonwealth of, a member of the Commonwealth of Nations, consisting of the federated states and… …
