Example sentences of "[pron] [vb -s] at [art] [adj] rate " in BNC.
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| 1 | By measuring the trace amounts of radioactive carbon in coral skeletons , which decays at a known rate , he could work out the ages of the corals at different depths in his boreholes . |
| 2 | The shell has a mathematically simple form , and , roughly speaking , its shape can be understood as the result of a that organ , the mantle , which itself grows at a variable rate but secretes minerals at a rate proportional to the length of its periphery . |
| 3 | With a star of greater mass , everything happens at an accelerated rate , and the star 's active life is much shorter than with our sedate Sun . |
| 4 | The difficulty with this anemone is that once established it reproduces at a tremendous rate and literally swamps the aquarium with large numbers of offspring . |
| 5 | And as it dissolves , it releases at the same rate any compounds mixed in with it . |
| 6 | A worker 's average earnings are £100 per week , all of which he spends at an even rate throughout each period . |
| 7 | If , for instance , he drops a ball it accelerates at the same rate as the capsule and will remain at rest relative to the capsule , whatever their shared acceleration . |
| 8 | Carbon 14 is a radioactive isotope of carbon that is absorbed by all living things ; the proportion of carbon 14 to other isotopes of carbon remains constant , but when something dies , the carbon 14 in it decays at a known rate , while the other isotopes stay the same . |