The phrase "a impact of a" is not correct in written English.
The correct article to use before "impact" is "an" because "impact" begins with a vowel sound.
Example: "An impact of a new policy can be seen in the community's response."
Alternatives: "an effect of" or "a consequence of".
The Moon probably formed by an impact of a Mars-sized body with the growing Earth (see Moon: Origin and evolution).
The conventional impact-echo analysis applies the Fourier transform to the surface response of the target structure due to an impact of a steel ball.
Materials with continuously varying density in the direction of loading are considered when analysing the response to two types of loading conditions: an impact of a stationary cellular block by a rigid mass and an impact of a cellular block on a rigid wall.
Conor Matchett: Replacements in Test cricket could be used to artificially increase an impact of a bowler - part of the challenge is to keep 11 fit.
This had an impact of a more technical kind on Scale and Category: namely, an increasing emphasis on systems, as opposed to structures.
This strongly suggests that the impact of source country female relative labor supply is indeed capturing an impact of a community-level characteristic in the source country that specifically affects women.
This is expected to be minimal, given the large catchment of each ACCHO and we have allowed an impact of a design effect of 1.2.
Nguyen and colleagues [ 12] demonstrated an impact of a TCF4 as well as a WNT-lung signature on the relapse of patients with primary lung adenocarcinomas.
Increase of inspiratory time and I E ratio significantly aggravated VILI in mice, suggesting an impact of a "stress/strain × time product" for the pathogenesis of VILI.
Recent mouse studies also demonstrated an impact of a WNT-lung signature on relapse of patients with primary lung adenocarcinomas [ 9].
