Example sentences of "occurs at a [noun] " in BNC.

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1 If in C a unit occurs at a position x , it can not be removed by a similar transformation .
2 Eliminating between these equations gives or on separately equating the real and imaginary parts The second of these two relations simplifies to and substitution of this condition into the first yields Equations ( 8.34 ) and ( 8.35 ) , representing the conditions that must be satisfied to procure total rejection , become much simpler if it is assumed that , for they then reduce to Evidently , if and , total rejection occurs at a frequency close to .
3 Using data for the Palaeozoic and Tertiary coals , it is found that the maximum rate of hydrocarbon generation for both coals occurs at a vitrinite reflectance of about 1% ( Figs. 10 and 11 ) .
4 Secondly because the system is so basic in operation the processing occurs at a rate faster than a human writes .
5 This , however , occurs at a time when the government has limited financial slack to be able to respond .
6 A variation order or some other delay caused by the client occurs at a time which does not cause additional delay or cost but which would have done so if the contractor had not already been behind schedule .
7 The importance of the PPR is that it occurs at a time when the numbers of new susceptible hosts are increasing and so ensures the survival and propagation of the worm species .
8 In fact , from their data it can be extrapolated that the maximal trophic effect of gastrin occurs at a concentration of approximately 500 pmol/l .
9 In Fig. 4.6(a) , for example , with one-phase-on excitation of a three.phase motor the crossover point occurs at a torque of 0.5 TPK , which is 0.6 times the pull-out torque with high inertia ( 0.83Tpx ) .
10 This occurs at a potential of +50mV inside that part of the axon with respect to the outside .
11 Maximum ozone concentration occurs at a height of 16–18 km in polar latitudes and at about 25 km over the equator .
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