- ChPI
- metal. abbr.Chelyabinisk Polytechnic Institute
United dictionary of abbreviations and acronyms. 2015.
ChPI
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Subtropical ridge — The subtropical ridge is a large belt of high pressure situated around 30°N in the Northern Hemisphere and 30°S in the Southern Hemisphere. It is characterized by mostly calm winds, which acts to reduce air quality under its axis by causing fog… … Wikipedia
