simple blade-element theory

спрощена теорія елемента лопаті

Drzewiecki blade element theory

simple key loader (SKL)

simple-base propellant

simple compression wave

simple expansion wave

simple rarefaction wave

simple wave

blade element angle

geometric(al) pitch of blade element

blade flat; saber flat; sword flat, flat of the blade / sword

blade de-icers / blade heating elements

blade heating elements / blade de-icers

blade horn / blade lever

blade tip light / main-rotor blade tip light

main-rotor blade tip light blade tip light

warfighting theory

intelligence theory

gun theory

molecular-kinetic theory

Betz momentum theory

Betz-Helmboldt theory

kinetic theory of gases

Kolmogoroff theory of turbulence

electromagnetic field theory

electromagnetic theory

lifting vortex line theory

momentum theory

Prandtl boundary layer theory

Prandtl mixing-length theory

quantum theory

statistical theory of turbulence

theory of boundary layer stability