'phase down' is a correct and usable phrase in written English.
It is often used to refer to the gradual reduction or winding down of something over a period of time. For example, "The government has begun to phase down the restriction measures it put in place in response to the pandemic."
On climate change, India agreed to move to phase down hydrofluorocarbons, or HFCs, according to a treaty known as the Montreal Protocol.
Agreeing a deal to phase down the use of HFCs is the single most important step we can take to limit the warming of the planet.
This starts with the pending proposals to use the Montreal Protocol to phase down production and use of hydrofluorocarbons, or HFCs, that have high global warming impact.
For the past four years, the United States, Canada, and Mexico have proposed an amendment to the Montreal Protocol to phase down the production and consumption of HFCs.
So even though there are more that I wish we had been able to restructure and phase down, we've created probably 450, 480 schools under my watch.
Coming on the sidelines of a nuclear summit in Washington DC, the announcement also stated a commitment to clinch agreements to phase down super-warming gases and on aviation emissions.
Objective: To determine the outcome of spontaneous conceptions in women who received GnRH agonists during mid-luteal phase down-regulation before IVF treatment.
Comparatively, the expression of most of these genes decreased slightly after entering the stationary phase, down-regulated by 2- to 4-fold.
The arrows indicate the relative phase relationship between the time series, right in-phase; left anti-phase; down Nino3/QBO leading (Delta rho) by 90 ^circ); up (Delta rho) leading Nino3/QBO by 90 ^circ).
"A global phase-down of HFCs would eliminate more heat-trapping gases by 2050 than the United States emits in an entire decade," he said in a statement.
But some industry officials fear R-22 supplies could tighten in about five years, pushing up prices, as the phase-down proceeds and equipment becomes increasingly dependent on recycled rather than newly made R-22.
