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The engine pressure ratio (EPR) is the total pressure ratio across a jet engine, measured as the ratio of the total pressure at the exit of the propelling nozzle divided by the total pressure at the entry to the compressor. [1] Jet engines use either EPR or compressor/fan RPM as an indicator of thrust. [2]
The blade battery is most commonly a 96 centimetres (37.8 in) long and 9 centimetres (3.5 in) wide single-cell battery with a special design, which can be placed in an array and inserted into a battery pack like a blade. It is made in various lengths and thicknesses.
This is a list of electricity-generating power stations in the U.S. state of Delaware, sorted by type and name.In 2021, Delaware had a total summer capacity of 3,273 MW through all of its power plants, and a net generation of 4,305 GWh. [2]
The specific energy of LFP batteries is lower than that of other common lithium-ion battery types such as nickel manganese cobalt (NMC) and nickel cobalt aluminum (NCA). As of 2024, the specific energy of CATL's LFP battery is claimed to be 205 watt-hours per kilogram (Wh/kg) on the cell level. [13] BYD's LFP battery specific energy is 150 Wh ...
USB Battery Charging (BC) defines a charging port, which may be a charging downstream port (CDP), with data, or a dedicated charging port (DCP) without data. Dedicated charging ports can be found on USB power adapters to run attached devices and battery packs.
The Wireless Power Consortium (WPC) is a multinational technology consortium formed on December 17, 2008, and based in Piscataway, New Jersey.Its mission is to create and promote wide market adoption of its interface standards Qi, Ki Cordless Kitchen, and Qi Medium Power for inductive charging.
The US-EPR, the version of the EPR submitted to the U.S. regulator, [218] is one of the competitors for the next generation of nuclear stations in the United States, along with the AP1000 and the ESBWR. In February 2015, Areva asked to suspend the Design Certification Application Review process at the U.S. Nuclear Regulatory Commission (NRC). [218]
Portal 2 is a 2011 puzzle-platform game developed by Valve for Windows, macOS, Linux, PlayStation 3, and Xbox 360. The digital PC versions are distributed online by Valve's Steam service, while all retail editions are distributed by Electronic Arts. A port for the Nintendo Switch was released as part of the Portal: Companion Collection in June ...