Also known as: PP-, PP.
PP stands for various terms. Discover the full forms, meanings, and possible interpretations of PP across different fields and industries.
Primary productivity is the rate at which energy is converted by photosynthetic and chemosynthetic autotrophs to organic substances.The total amount of productivity in a region or system is gross primary productivity.
Integrated Ocean Observing SystemA device that increases the pressure on a fluid or raises it to a higher level. Various types of pumps include the bottom- hole pump, centrifugal pump, hydraulic pump, jet pump, mud pump, reciprocating pump, rotary pump, sucker rod pump, and submersible pump.
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