The phrase "a significant impact when" is correct and usable in written English.
It can be used to discuss the effects or consequences of an action or event that occurs at a specific time or under certain conditions.
Example: "The new policy will have a significant impact when implemented across all departments."
Alternatives: "a considerable effect when" or "a notable influence when".
First, the purchase of assets by central banks had a "significant" impact when they were explicitly used as a tool of monetary policy.
This has a significant impact when considering assessment of novel or reported catalytic systems in this type of reaction, as overlooking of these engineering aspects can be misleading.
Different aspects of control are studied throughout this paper : it is first stressed that constraints carried by engineering and industrial environment may have a significant impact when modelling a system.
But the ability of Richard Horne was unmistakable to rugby followers of either code while Peter Lupton, who started his career with the Broncos, also made a significant impact when Hull's captain Jason Smith was forced off with a back spasm midway through the first half.
It is also shown that it has a significant impact when ranking overlapping fuzzy numbers.
Because they can't make a significant impact when they do.
Iwata dismissed any significant impact when speaking to concerned investors, "those who are eager to buy Nintendo 3DS right after the announcement generally tend to react quickly to anything new on the market, and those who are purchasing a Nintendo DS today tend to react relatively slowly".
Despite the fact that Raltitrexed produces palliative benefits for patients with advanced colorectal cancer when used as first-line treatment, it is questionable whether it has any significant impact when used as second or third-line treatment in patients failing prior 5-FU+LV and CPT-11-based regimens.
This approximation will introduce a more significant impact when this method is used for large industrial compressors.
We observed a more significant impact when we removed all events resulting in exposures < 3 µg/kg.
Social support, given by family, friends and co-workers, has a positive influence on smoking cessation in general [ 42, 43] and has a particularly significant impact when combined with quit and win competitions [ 33, 34, 37, 44, 45].
