Sinusitis makes people feel weak and sick, and besides the symptoms of a cold, they often have severe pain around the face. In this fact sheet we will inform you about the causes and symptoms of acute sinusitis, as well as the treatment options. What is sinusitis and what causes it? Sinusitis is an inflammation of the paranasal sinuses. The medical term is rhinosinusitis (rhino- meaning nose), because it affects the mucous membranes lining the nose and the sinuses. The paranasal sinuses are part of the upper airways, and are connected to the nasal cavity.
Units of power. The two most commonly used units of power in the United States customary units are mechanical horsepower and Btu/hour. The watt, an SI metric unit of power, is also widely used. The boiler horsepower is the rate of energy required to evaporate 34.5 lb (15.65 kg) of water at 212 Â°F (100 Â°C) in one hour. It is a rarely used unit.
Energy Units and Conversions. 1 Joule (J) is the MKS unit of energy, equal to the force of one Newton acting through one meter. 1 Watt is the power of a Joule of energy per second. Power = Current x Voltage (P = I V) 1 Watt is the power from a current of 1 Ampere flowing through 1 Volt. 1 kilowatt is a thousand Watts.