Example sentences of "at [noun pl] [adv] " in BNC.

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1 For these reasons it is seldom used for current measurement nowadays but it does find application in a modified form of operation that enables electrical power to be measured in both direct and alternating-current circuits at frequencies up to a few hundred hertz .
2 Thus an electronic system that passes signals at frequencies up to only modestly distorts a rectangular pulse of duration τ between its input and output .
3 When the noises were recorded , it was found that much of the call was at frequencies too low for us to hear , and it seems likely that the females were responding to this infrasound .
4 This time the critical pulsatance separating the pass and attenuation bands is In terms of the critical pulsatance , at frequencies below and above it respectively , the attenuation constant and phase shift per section are given by
5 • Z55 tensile quality steel combined with a 47mm deep ribbed profile configuration gives excellent spanning characteristics and minimises ponding even at pitches as low as 1½£°
6 They sort of they tie together and you 'll be using some equations and next time we 'll give you som we 'll have a look at graphs again just a quick
7 If you want to look at graphs then VGA is usually quite sufficient .
8 " Oh , it 's only Fiver , " said the black-tipped rabbit , " jumping at blue-bottles again .
9 The international environment therefore can not be explained by looking at states alone .
10 Section 5.3 looks at reasons why words were missed or inserted , and section 5.4 looks at the effect of substitutions .
11 He can regard his task as done when he has arrived at entities so simple that they can safely be handed over to physicists .
12 This is easiest at places which allow schools access at times exclusively for educational visits , or where some special space can be set aside where a group can work undisturbed .
13 The curious , at times seemingly perverse , ambiguity in which the terms of the contract are from time to time expressed is an added reason why no one who has to wrestle with the problems which abound in this area should fail to arm himself with this book .
14 It remains the case that for much of our constitutional history the Cabinet and its forerunners were never greatly liked by Parliament which was at times bitterly hostile to it and tried to stamp it out .
15 It is likely that the funeral will be at times when the cemeteries or crematoria are not busy , such as early in the morning .
16 The shift times are designed to place policemen on the streets at times when they will encounter the maximum number of members of the public , even though this public thus tends to comprise shoppers and tradespeople .
17 Evidently he did not expect to give riotous or alcoholic parties at times when the tutor might be in .
18 The English ‘ national ’ game was largely played at times when the English nation was otherwise engaged .
19 Not surprisingly , these reports have tended to appear at times when fatalities have occurred as a result of fires when occupants have been asleep .
20 We contemplate both the small things and the great realities , at times when it is very hard work , when we feel spiritually dry and unreceptive , or when we rejoice in God and receive his refreshment .
21 At times when selling is difficult , owners who maintain standards will appeal to a wider market , sell faster and reach a higher price , ’ says Mr. Warshaw .
22 In addition to classic injunctions such as ‘ I look for a marked reduction in the number of problems put forward for discussion in Ministerial Committees ’ , in the terse Major Attlee style , the paper contains a passage which is pure Brook : ‘ The Cabinet Committee system has a valuable part to play in the central machinery of government , both in relieving the pressure on the Cabinet itself and in helping to give practical effect to the principle of collective responsibility at times when the Cabinet does not include all Ministers in charge of Departments . ’
23 One thing you will notice at times when you are watching the barbel is the extraordinary way they flip belly-upwards to take food that is more than a foot or so off bottom .
24 A project support worker visited to help with her personal care and play a safeguarding role at times when other care was not available .
25 There were also difficulties for staff who undertook priority work for such matters as public enquiries , and required access at times when the Registry was closed , eg at lunchtime and hours outside the normal working day .
26 With this there was complete air-conditioning , thermostatically controlled , supplying warmth in winter and cool air in hot summer weather , the former by a combination of steam from the locomotive and electricity from the power-plant at times when the train was standing overnight without a locomotive attached .
27 They also promised to use their friends in the Salvation Army as supports at times when they thought they could not cope by themselves .
28 At times when the satellite is not involved in surveying , for example when passing near the poles , IRAS will observe objects that are particularly interesting astronomically .
29 It pays not to overfeed adult ferrets at times when they are not working or they become fat and lazy .
30 The greatest single restriction on my practice was not being able to request X-rays when senior medical staff were not in the department , This rendered me ineffective at times when I could be best used , namely evenings and weekends .
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