Example sentences of "at which [noun sg] [modal v] [vb infin] " in BNC.

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1 There must come a point at which man must stop trying to decide his own destiny , and I believe that point has come now , in our time .
2 Jevons used exaggerated estimates of the rate at which consumption would increase in the future , and Royal Commissions in 1866 and 1901 dismissed his arguments as alarmist .
3 Higher rates of stocking can be supporting using aeration which not only increases the rate at which oxygen can dissolve in water but also that at which carbon dioxide moves from the water into the atmosphere .
4 Since sexuality increased the possibilities of genetic variation , it also greatly accelerated the rate at which evolution could proceed as organisms encountered new environments .
5 The mutation rate is bound to place an upper limit on the rate at which evolution can proceed .
6 The depth of seal is the vertical distance between the normal water level in the trap and the level at which air can get through the trap ( see drawing ) .
7 Having established the rotor positions at which switching must occur to maximise the torque , it is possible to deduce the pull-out torque .
8 Their lives may be saved by either an appropriate mode of delivery or by ending the pregnancy at an appropriate gestational age — the optimal time for delivery ( the earliest date in a given pregnancy at which birth would carry a higher probability of healthy survival than would continued gestation ) .
9 Mr Brian Riley , of Watson Firth solicitors , said the vehicles which line both sides of Hollyhurst Road reduced the speed at which traffic could travel .
10 Although breechloading weapons had been generally adopted , the small-bore rifle , the machine-gun , and the quick-firing fieldgun had not yet altered military thinking ; they had only increased the range at which fighting would take place .
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