"brief increase" is a perfectly correct and usable phrase in written English.
You can use it to emphasize that the increase in question is short-lived. For example: "The stock market saw a brief increase in prices following the announcement, but the effects were short-lived."
Instead, the entire brief increase in government's role during 2009-2010 has now been unwound, with more cuts to come.
In the wake of the firing of the Daily Mirror and Sunday Mirror editors, there was a brief increase in Trinity Mirror's share price.
But since then membership has been in decline, except for the brief increase in 1997 inspired by Tony Blair, and the downward trend has been pretty even across the decades.
The sound pressure signature is dominated by a large amplitude pulse associated with an explosive, but brief increase in the rate of heat transfer at the start of the vortex wall interaction.
For instance, Florida, which has almost doubled its prison population over the past 15 years, has experienced a smaller drop in crime than New York, which, after a brief increase, has reduced its number of inmates to below the 1993 level.
But the White House, which approves of the plan's overall goals, made an important concession on Wednesday by agreeing to consider a brief increase in the debt ceiling if all parties showed some willingness to compromise on a longer-term plan structured like that of the Gang of Six.
Up to now, President Obama has firmly and properly rejected brief increases in the ceiling, aware that each debate impoverishes the nation's economic credibility.
Several biotechnology companies have experienced sharp, though often brief, increases in their stock prices because of statements or evidence that their drug or technology may be useful against SARS, which has killed more than 400 people worldwide and sickened thousands.
I show that impingement is likely drag, rather than an undescribed hydrodynamic force; it likely occurs due to brief increases in flow velocity at the front of a wave.
Trains of 10 single supramaximal vagal stimuli applied at 1-s intervals caused progressive increase in overall cycle length during the train; immediate and brief increases in cycle length occurred following some stimuli.
During the past few years, the two teams have monitored hundreds of thousands of stars for brief increases in brightness that arise when a massive object happens to pass directly between the star and Earth.
