Tham khảo tài liệu 'dictionary of engineering episode 2 part 3', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | impregnated bit into the spaces of a porous solid in order to change its properties as the impregnation of turquoise gems with plastic to improve color and durability the impregnation of porous tungsten with a molten barium compound to manufacture a dispenser cathode or the impregnation of wood with creosote to preserve its integrity against water damage. im preginat impregnatedbit deseng Asintered powder-metal matrix bit with fragmented bort or whole diamonds of selected screen sizes uniformly distributed throughout the entire crown section. im preginad-sd bit impulse mech The integral of a force over an interval of time. imlpols impulse modulation contsys Modulation of a signal in which it is replaced by a series of impulses equally spaced in time whose strengths integrals overtime are proportional to the amplitude of the signal at the time of the impulse. imlpols aj-oja-shsn impulse response contsys The response of a system to an impulse which differs from zero for an infinitesimal time but whose integral over time is unity this impulse may be represented mathematically by a Dirac delta function. imlpols ri spans impulse sealing eng Heat-sealing of plastic materials by applying a pulse of intense thermal energy to the sealing area for a very short time followed immediately by cooling. im pols Jsel-ig impulse tachometer eng a tachometer in which each rotation of a shaft generates an electric pulse and the time rate of pulses is then measured classified as capacitory-current in-ductory or interrupted direct-current tachometer. imlpols t9 kam-9d-9r impulse train cont sys An input consisting of an infinite series of unit impulses equally separated in time. imlpols tran impulse turbine mech ENG a prime mover in which fluid under pressure enters a stationary nozzle where its pressure potential energy is converted to velocity kinetic energy and absorbed by the rotor. imlpols impulse welding eng a welding process in which two layers of thermoplastic film are .
