ratio valve

См. также в других словарях:

• Valve audio amplifier - technical — Circuitry and performance Characteristics of valves Valves are very high input impedance (near infinite in most circuits) and high output impedance devices. They are also high voltage / low current devices.While valves themselves are described… …   Wikipedia

• Valve RF amplifier — A valve RF amplifier (UK and Aus.) or tube amplifier (U.S.), is a device for electrically amplifying the power of an electrical , typically (but not exclusively) radio frequency signals.Low to medium power valve amplifiers for frequencies below… …   Wikipedia

• Valve amplifier — A valve amplifier or tube amplifier is a type of electronic amplifier that make use of vacuum tubes instead of solid state semiconductor devices (such as transistors). As any other electronic amplifier they serve to increase the power and/or… …   Wikipedia

• Valve seat — The valve seat in an internal combustion gasoline or diesel engine is the surface against which an intake or an exhaust valve rests during the portion of the engine operating cycle when that valve is closed. The valve seat is a critical component …   Wikipedia

• Valve transmitters — Most high power transmitter amplifiers are of valve construction because of the high power required.Anode circuitsSince valves are designed to operate with much higher resistive loads than solid state devices, the most common anode circuit is a… …   Wikipedia

• Compression ratio — For compression ratio in data compression, see data compression ratio. The compression ratio of an internal combustion engine or external combustion engine is a value that represents the ratio of the volume of its combustion chamber from its… …   Wikipedia

• Stroke ratio — In a reciprocating piston engine, the stroke ratio, defined by either bore/stroke ratio or stroke/bore ratio, is a term which is used to describe the ratio between the diameter of the cylinder bore and the length of the piston stroke within its… …   Wikipedia

• Aortic valve stenosis — Classification and external resources ICD 10 I35.0, I06.0, Q23.0 …   Wikipedia

• Mass-to-charge ratio — Charge to Mass ratio SI quantity dimension: M/(I⋅T) SI unit: kg/C other units: Th The mass to charge ratio ratio (m/Q) is a physical quantity that is widely used in the electrodynamics of c …   Wikipedia

• Choke valve — A Choke valve is a type of valve designed to create choked flow in a fluid. Over a wide range of valve settings the flow through the valve can be understood by ignoring the viscosity of the fluid passing through the valve; the rate of flow is… …   Wikipedia

• Continuous variable valve timing — offers a unique ability to have independent control of the intake and exhaust valves in an internal combustion engine. For any engine load criteria, the timing of intake and exhaust can be independently programmed [1]. The main variations of… …   Wikipedia