The phrase "shifted down" is not correct and cannot be used in written English.
Instead, you could use the phrase "lowered". For example: "The company lowered its production rate due to economic uncertainty."
She shifted down to pass the Sleepy's truck.
All nine patients shifted down at least a full point on the modified Rankin Scale.
Because of this effect the Fermi level shifted down into the valence band, and the nanotube conductivity type was changed.
When they finally freed a leg and lifted it, the entire stiff and contorted body shifted, down to its fingertips.
Mr. Versace began a super-quiet staccato solo, and the band immediately shifted down to go along with him.
Avatar probably won't finish above Titanic's $600.1m final score because it seriously shifted down gear this weekend, dropping 29%.
Upon conjugation to pNIPAM, the optimal temperature of mTG shifted down from 50 55 °C to 40 45 °C, and the thermal stability of the conjugate was elevated.
Under the combined action of the seismic excitation and the train, the equilibrium position is shifted down, and the effect of the added displacement is reduced.
The light from an approaching source is shifted up in frequency, or blueshifted, while light from a receding source is shifted down in frequency, or redshifted.
When the spectral pitch was shifted up and the missing fundamental was shifted down, a situation of conflicting perceptual cues was created7.
