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An air separation plant separates atmospheric air into its primary components, typically nitrogen and oxygen, and sometimes also argon and other rare inert gases. The most common method for air separation is fractional distillation. Cryogenic air separation units (ASUs) are built to provide nitrogen or oxygen and often co-produce argon.
Airflow can also be described in terms of air changes per hour (ACH), indicating full replacement of the volume of air filling the space in question. This unit is frequently used in the field of building science, with higher ACH values corresponding to leakier envelopes which are typical of older buildings that are less tightly sealed.
Next season, the NHL is making it happen — twice. The NHL announced Wednesday that the Stanley Cup champion Florida Panthers will play host to the New York Rangers at loanDepot Park in Miami ...
Bradley Beal scored 25 points, Kevin Durant added 23 and the Phoenix Suns beat the Atlanta Hawks 123-115 on Thursday night. Beal — still adjusting to his new role coming off the bench — shot ...
Week 18's Sunday night matchup between the Minnesota Vikings and Detroit Lions could very well be the best in NFL regular-season history, featuring two teams with 14-2 records — the most ...
Air density, like air pressure, decreases with increasing altitude. It also changes with variations in atmospheric pressure, temperature and humidity. At 101.325 kPa (abs) and 20 °C (68 °F), air has a density of approximately 1.204 kg/m 3 (0.0752 lb/cu ft), according to the International Standard Atmosphere (ISA).
February and March feature a big contrast across the country. Colder-than-average temperatures are likeliest in the Northwest and Northern Plains, especially in January.