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Air pollutant concentrations expressed as mass per unit volume of atmospheric air (e.g., mg/m 3, μg/m 3, etc.) at sea level will decrease with increasing altitude. The concentration decrease is directly proportional to the pressure decrease with increasing altitude.
A number of units of measurement were used in the Philippines to measure various quantities including mass, area, and capacity. The metric system has been compulsory in the country since 1860, during the late Spanish colonial period. [1]
Located in Brgy. Sasa, Davao City, Sasa International Seaport is the main seaport serving the Davao Gulf area as the main base of the port. It is generally used for container and international shipping and operated by the International Container Terminal Services inc., [10] which also operates at the Port of Manila and Port of Subic. It is one ...
Recently, drive-by air pollution sensing systems have emerged as a promising approach for air quality monitoring, utilizing sensors mounted on taxis, buses, trams, and other vehicles. [26] In particular, buses have garnered considerable attention as a mobile sensing platform due to their widespread availability and extensive geographical coverage.
Philippine Span Asia Carrier Corporation (PSACC), formerly branded as Sulpicio Lines, Inc. (SLI, Tagalog pronunciation: [sulˈpiːʃo]), is a major shipping line in the Philippines. [1] [2] PSACC is one of the largest domestic shipping and container companies in the Philippines in terms of the number of vessels operated and gross tonnage. The ...
The $100 million-facility (equivalent to $859 million in 2023) was commissioned on 25 July 1956, and comprised an air station with an adjacent pier capable of docking the Navy's largest carriers. After decades of use by American forces, Mount Pinatubo erupted in 1991, burying Cubi Point in 18–36 inches (45–90 cm) of ash .
Philippine Ports Authority (Filipino: Pangasiwaan ng Daungan ng Pilipinas [1]) is a government-owned and controlled corporation under the Department of Transportation as an attached agency. It is responsible for the financing, management and operations of public ports throughout the Philippines , except the port of Cebu , which is under the ...
10 kPa 1.5 psi Pressure increase per meter of a water column [26] 10 kPa 1.5 psi Decrease in air pressure when going from Earth sea level to 1000 m elevation [citation needed] +13 kPa +1.9 psi High air pressure for human lung, measured for trumpet player making staccato high notes [48] < +16 kPa +2.3 psi