The phrase "a phased increase in" is correct and usable in written English.
It can be used when describing a gradual or step-by-step rise in a particular quantity or metric over time.
Example: "The company plans to implement a phased increase in production capacity over the next year."
Alternatives: "a gradual rise in" or "a stepwise increase in".
The Association of Graduate Recruiters (AGR), which represents 750 employers, many of them blue-chip companies, also called for a phased increase in top-up fees.
A phased increase in retirement ages and the elimination of special privileges for certain professions will come into force in 2013 as part of a radical pension reform.
IHT is charged at 40% on estates above £325,000, but a phased increase in allowances, first announced by George Osborne in the summer 2015 budget, effectively allows parents to leave homes worth up to £850,000 to their children free of tax.
In France a move to raise the minimum retirement age to 62 was accompanied by a phased increase in the minimum level of contributions from 40.5 to 41.5 years, a change that was duly attacked by left-wing commentators as being unfair to unemployed workers, part-timers and students entering the job market late.
This outcome measure is important because recent UK governments have targeted a reduction in the proportion of pupils leaving at 16, and committed to a phased increase in the minimum age at which youths can leave education and training.
The 1997 tax cuts also included a phased in increase in the death tax exemption to $1 million from $600,000, and established Roth IRAs and increased the limits for deductible IRAs.
However, the simultaneous combination at 72 h resulted in a G2/M phase increase in both cell lines.
These findings indicate the possible immunocompatibility of medium sized GNPs as they caused only a transient acute phase increase in proinflammatory cytokines expression followed by their normalcy during the repeated exposure.
While this result was statistically insignificant, a similar late-exponential phase increase in copper uptake has been demonstrated for Streptomyces spp. isolated from drainage channel sediments receiving copper contaminated discharge waters [30].
For several contingency loci a specific phase increased in frequency during passage.
Additionally, the cell population in the sub-G1 phase increased in a concentration-dependent manner following treatment with FCY.
