Example sentences of "occurs when a " in BNC.

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1 A less obvious example of this failure to take protective measures occurs when a contestant believes that a scoring technique has been delivered , and so disengages and dances around the area waving a fist in the air .
2 Where roof-spaces are not well ventilated ( as occurs when a roof is reclad with a more windproof and watertight construction ) , the close-textured nature of the concrete tiles which contrasts with the relative porosity of clay tiles may encourage the formation of condensation on their undersides , encouraging dampness and rot in stagnant roof-spaces .
3 This means that if , for example , the cooking cycle is programmed for two-and-a-half minutes at a required temperature the machine will adjust to compensate for the fall in temperature which occurs when a frozen or chilled food will have been cooked for two-and-a-half minutes at the correct temperature .
4 This occurs when a politician , perhaps so senior that he is notionally responsible for the agency itself , makes it known that he would be very pleased if some particularly sensitive and hazardous intelligence coup could be attained , usually in order to enhance domestic political popularity .
5 Stage migration occurs when a peasant moves to a provincial town for some time and then on to the city .
6 Indirect sex discrimination occurs when a person applies to a woman :
7 We thought it possible that we might get an auto-immune reaction otherwise — similar to that which occurs when a patient rejects a heart or kidney transplant .
8 What sets the Pearce-Hall ( 1980 ) model apart is its prediction that a decline in associability occurs when a stimulus accurately predicts its consequences and that inconsistent consequences will attenuate or prevent the loss .
9 Fear of doors , entrances , gates etc. often occurs when a horse has been ( unwisely ) tied to a gate and has gone off with the gate ! !
10 Similarly , indirect race discrimination occurs when a person applies a requirement which he applies or would apply to persons of a different racial group but :
11 repair by second intention occurs when a considerable amount of tissue has been lost and the wound edges can not be approximated ; a mass of new tissue is required to fill the gap .
12 A throw forward occurs when a player carrying the ball throws or passes it in the direction of his opponents ' dead-ball line ’ .
13 This occurs when a firm continually has to ‘ look over its shoulder ’ and concentrate on short-term performance targets in order to try and maintain its share price , rather than planning for the future .
14 The medical name for the start of this most fertile period is ovulation and occurs when a mature egg is released from the ovaries , ready to be fertilised .
15 It occurs when a writer applies a name or a descriptive term to an object to which it is not literally applicable ; when a word is carried over from its normal use to a new use .
16 Task analysis can be very expensive in skilled manpower , but in looking at cost/value it is important to include in value the increase in mutual understanding which occurs when a multi-disciplinary team conducts the analysis .
17 ‘ Purposive sampling ’ occurs when a researcher chooses a particular group or place to study because it is known to be of the type that is wanted .
18 This occurs when a third word is common to both definitions , e.g. ’ brick ’ is found in both ’ terraced ’ and ’ house ’ .
19 The first instance most commonly occurs when a group of students complete training at the same time .
20 ‘ Extortion by colour of office occurs when a public officer demands and is paid money he is not entitled to , or more than he is entitled to , for the performance of his public duty .
21 ‘ Extortion by colour of office occurs when a public officer demands and is paid money he is not entitled to , or more than he is entitled to , for the performance of his public duty .
22 This is the change in frequency of a sound that occurs when a source is moving relative to the listener .
23 A split infinitive occurs when a word ( usually an adverb ) is placed between the word ‘ to ’ and a following verb , as in ‘ to really understand . ’
24 Hitting late occurs when a player has almost turned his hips and shoulders towards the target , with his hands past the ball .
25 Hitting late occurs when a player has almost turned his hips and shoulders towards the target , with his hands past the ball .
26 Industrial segmentation occurs when a micro-computer business applies differing marketing mixes to two markets , one of small private businesses , and the other of State secondary schools .
27 At this moment ( which occurs when a word 's recognition point is reached ) , the word can be identified , even if much more of the speech signal has yet to reach the word-recognition system .
28 This occurs when a student learns a word ( ie becomes acquainted with it ) in a rewarding situation while he either hears the native language word or is confronted with the object or event to which it refers .
29 Verb-phrase anaphora occurs when a verb-phrase depends for its interpretation on another verb-phrase occurring earlier in the spoken or written discourse .
30 Further studies investigate what occurs when a person is faced with a number of faces simultaneously from which one or more may be recognised .
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