Sentence examples for have been valid for from inspiring English sources

Later, contending that the placard should have been valid for parking all over the city, Sergeant Heyliger filed an appeal to the parking board.

Under the bill, such immigrants could have obtained visas that would have been valid for four years and could have been renewed repeatedly.

That such a state of affairs still exists when such criticisms have been valid for decades is a matter of national shame.

Therefore, the assumptions on determinants that formed the basis of intervention development might not have been valid for the adolescents in our trial.

There was limited evidence that the proportional hazards assumption might not have been valid for the association between proton pump inhibitor exposure and mortality outcomes (Wald test, P=0.05).

However, for low grade tumours and those of poorly specified anatomical location, incidence seemed to decrease in 1992-2008 (figs 3 and 4), so this assumption might not have been valid for these endpoints.

This trend has been valid for over 40 years and is likely to continue until around 2020, by which time we will be able to place one bit of information on a single atom.

The first officer was 31 years old and held a C-certificate which limited him to being first officer on the Dash 7. The certificate was issued on 5 January 1987 and had been valid for the Dash 7 since 23 February 1988.

However, these statistical comparisons may not have been valid if the number of isolates for both studies were similar.

20 21 22 Although the questions around social support have been validated, this was in a British population of civil servants, 10 and they may have been less valid for the ethnic minority groups surveyed in our study.

This model has been validated, with the assumptions valid for clastic reservoirs such as those in the Niger Delta basin.