Example sentences of "[am/are] [vb pp] [adv prt] by [adj] " in BNC.

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1 But uncertainties are smoothed over by this idealization of a historically and socially specific , juridical concept of power ( Hussain 1981 ) .
2 Once there , they are broken up by ultraviolet radiation , releasing chlorine atoms which destroy ozone , CFCs are also an important greenhouse gas ( see above ) .
3 So nothing at Barnsley House is too grand … and the broader vistas are broken up by judicious planting of trees and shrubs.As for the flower borders … they owe more to the Victorian cottage than to the stately home :
4 Societies disintegrate from within more frequently than they are broken up by external pressures .
5 Today most of these assemblages are broken up by human activity but , for example , on the great plains of Serengeti in East Africa the relationships between seasonal vegetation , nomadic herbivores , and dependent beasts of prey can still be discerned and studied in detail .
6 The recessed planes are used in places , but more often they are broken up by bold three-quarterings and massings which give a quite different sense of the third dimension .
7 As these wastes are broken down by physical , chemical , and bacterial action , they gradually form ‘ humus ’ , a highly important binding factor in the formation of stable soil crumbs or tilth and in the transformation of minerals into soluble plant nutrients .
8 Even chemicals that are broken down by different enzymes may ‘ compete ’ : some enzymes need substances known cofactors to help them do their work , so the two chemicals are ‘ competing ’ for cofactors , rather than for the enzymes themselves .
9 Supervisory duties at break and lunch-time are carried out by non-teaching assistants .
10 Citation counts are carried out by unskilled operators .
11 When menial tasks are carried out by large numbers of workers , supervision can be divided by organising the labourers into gangs of equal size .
12 They are carried out by United Kingdom-based staff , who go overseas on short-term assignments which aim to generate effective techniques of mineral , energy and groundwater resource exploration and development that are applicable to and will find general use in Third World countries .
13 Cleaning and other domestic duties are carried out by Domestic Assistants , and every EPH has cooking staff , clerical support , and help with gardening and building maintenance , generally provided by a gardener/handyman .
14 Laps are thermally fused using specially developed welding machinery and all installations are carried out by trained technicians .
15 Miss Caroline Crawford , the authority 's spokesman , said : ‘ We can all sneer at people who are caught out by outrageous offers , but it is often a case of the triumph of hope over experience .
16 The report warns service providers against offering global ‘ one-stop shopping ’ services , as they may then find that the more attractive routes or services are picked up by other types of provider with cheaper offerings .
17 The most active elements of the intelligentsia are won over by personal privileges to the prevailing ideology as well as being subject to the prevalent intellectual control while the peasants are tied to the land by economic hardship imposed through short-term , small-unit landholding contracts ( such as sharecropping ) , which discourage capital investment .
18 Members sponsored by unions who are turned on by that prospect ?
19 Fortunately , though , all but a few volcanic rocks are built up by various combinations of only seven different minerals , or rather mineral families .
20 Expectations are built up by past experience of an author 's books , by a title , by the book 's dust jacket , and by its illustrations .
21 He fears they could become targets of revenge attacks if Serb planes are shot down by United Nation forces .
22 ( You can still buy one cheap in the car park round the corner from Victoria as they 're auctioned off by young Ozzers looking for the fare home . )
23 The axons are wrapped around by specialized neuroglial cells ( Schwann cells ) which fob a thick myelin sheath in places .
24 The salt has high levels of calcium to buffer the water and additional quantities of the elements that are used up by marine life .
25 Most successful companies are bought out by large customers who see them as a way of getting into new technologies .
26 Almost all the alternative possibilities that are opened up by possible answers to such questions have quite recently been supported , sometimes with great passion , by anthropologists of international renown .
27 Much more promising avenues are opened up by those schools of thought that combine a description of the structure of texts with an account of the knowledge and attitudes that readers bring with them and of the process to which they subject them : some versions of structuralism ; and phenomenological and related theories , which study the process by which readers create meaning in a text with much more attention to the text itself than Richards ever allowed .
28 Convoys half a mile long are watched over by scattered Afghan army outposts on the hills by the road .
29 It 's like those alien stories where hapless travellers are beamed up by future scientists from other worlds .
30 For example , as tax avoidance schemes are dreamt up by corporate accountants and lawyers or financial entrepreneurs , so the law attempts to encapsulate them by making that specific tax avoidance scheme illegal .
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