Example sentences of "[noun] [v-ing] at time " in BNC.

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1 From the point of view of finding its Laplace transform , a unit rectangular pulse may be conveniently regarded as the difference between two unit steps occurring at times and as shown in figure 11.5(b) .
2 In such a fluid , the stress at time t depends upon the previous history of the configuration existing at time t .
3 Although creeks are thought to be largely areas of non-deposition rather than areas of erosion , the scour of the tide along them may cause some lateral erosion and water draining at times of very high tides from areas behind the zone of creeks may plunge into the heads of the creeks and so cause a certain amount of headward erosion .
4 He took the effect of a deformation occurring at time for a period d to be proportional to and was thus led to his superposition integral which in modern terminology is
5 We can not directly relate bidirectional reflectance and biomass except when biomass changes independently of LAI , e.g. leaf thickening at times of high LAI , or , more commonly , when biomass is linearly related to LAI .
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