Example sentences of "[adj] for long period " in BNC.

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1 Most advances are supposed to be short-term but in practice many are outstanding for long periods .
2 The required yield from the division may then be stable for long periods , apart from variations in the level of interest rates generally .
3 Unoccupied offices and meeting rooms left unused for long periods need not be heated to the normal level .
4 Without proper treatment and support , many end up homeless , unemployed for long periods , and cut off from their families .
5 It is asking for trouble to wear shoes with heels over 2½ inches high for long periods .
6 This way it will stay lively for long periods and look much more natural to the fish .
7 Once initiated such a complementary system of uplift and subsidence is probably self-sustaining for long periods of time in the absence of major tectonic disturbance .
8 The more skilful you are , the more you tend to cut corners which , if unchecked for long periods , degenerate into bad habits .
9 But despite this he was placed in a cell by himself and left unchecked for long periods .
10 Because of the time it took to travel , clothes had to stay packed for long periods , and the number of changes needed throughout the day and evening necessitated quantities of clothes which were packed in different shaped dressing cases , boot boxes , hat boxes , umbrella cases , trunks and suitcases .
11 The identity , however , is converted into a theory of the determination of the price level by assuming : ( a ) that the money supply is determined by the monetary authorities ; ( b ) that the number of transactions is fixed in the short-run because of the classical presumption that the economy operates automatically at full employment ; and ( c ) that the velocity of circulation is also fixed in the short-run because it depends largely on institutional factors ( such as whether workers are paid weekly or monthly ) which themselves tend to remain constant for long periods of time .
12 His view , however , is implicitly gradualist — ‘ a temporal progressive sequence of changes within an evolutionary lineage ’ — and there is no indication of the extensive palaeontological literature of the past decade suggesting an alternative punctuational view , that species may evolve relatively rapidly and then remain unchanged for long periods .
13 People with AIDS are often well for long periods between times of illness .
14 Catfish tend to stay stationary for long periods making them ideal subjects for photography .
15 In other cases where the home is unoccupied for long periods , it may be appropriate to apply this endorsement or a similar wording ( see Appendix 5 — Specimen 21 ) .
16 This endorsement is applied to restrict cover on properties which are unoccupied for long periods .
17 If people are kept awake for long periods of time , their drowsiness lessens in the morning and comes on with increased severity in the evening .
18 By the following weekend , Ned had begun to lose interest in his lover and within two weeks , much to her distress , he began leaving her alone for long periods of time while he chased after a very attractive Border Collie who had just moved into a neighbouring street .
19 He said it was not usual for patients to be left alone for long periods of time and organisation on the ward involved was usually very good .
20 Ear defenders may be advisable for long periods of work , but we found the low exhaust tone quieter than that on average-sized petrol mowers .
21 It was noted in 3.5 that long-term participant observation , as a consequence both of the relationship of trust which is built up and of a person 's inability to remain vigilant for long periods , has the effect of blurring the distinction between covert and overt observation .
22 Even so , important posts in Dutch diplomacy had sometimes to be filled by second-rate men or go unfilled for long periods .
23 I 'm sure it 's not allowed to keep people in solitary for long periods .
24 This type of palette is designed to keep acrylics workable for long periods of time , which eliminates the worry of them drying too quickly .
25 Secretive , hard to flush , remaining motionless for long periods .
26 Thus women who are 45 years old or more will not have been commonly exposed to OC use while young for long periods .
27 The humble screen saver , which cause electric toasters to fly across the screen , or turns the tube into a virtual aquarium in order to prevent the WordStar menu getting burned into the phosphor when the machine is left on but unattended for long periods , is the latest battleground for the advertisers according to the Wall Street Journal , which reports that PC Dynamics Inc of Westlake Village , California is actually giving Everready free publicity for its Energizer Bunny because it wanted an animated character to spur interest in its program — so users are expected to pay $25 not only to advertise Everready batteries but to suffer the exasperating experience of having the damn rodent make special appearances , popping on screen in the middle of their work , so that they have to press a key to zap it .
28 At 3 ° C , feeding begins but the animals still remain immobile for long periods .
29 Mellanby located the causes in environmental and even cultural factors — the greater intermingling of city children , overcrowded dwellings or — in girls the fashion for ‘ permanent waves ’ , in which hair would be set and then left uncombed and unwashed for long periods .
30 Even so , reptiles accumulate an oxygen debt if active for long periods , as well as suffering from fatigue and slow rates of repayment .
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