Example sentences of "has been [vb pp] for many [noun] " in BNC.

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1 Indeed , the role of fibrinogen in platelet aggregation has been recognised for many years ( Born & Cross , 1964 ; Brinkhaus et al , 1965 ) .
2 Salicylate nephrotoxicity has been recognised for many years .
3 ‘ Hemp has been grown for many years on the Continent and this decision will allow UK farmers to gain a share of the market currently occupied by our EC partners . ’
4 Its bid to become a polytechnic has been supported for many years by Conservative Members from Derbyshire .
5 This approach , a very recent development for credit in this country ( though of course it has been accepted for many years as the basis of car insurance ratings ) , started in America .
6 This is the practice that has been followed for many years and by and large it has worked .
7 That Soviet ships dumped nuclear waste in the area has been suspected for many years .
8 This method has been taught for many years and I do not think that pilots who have learned to do it this way need bother to change .
9 The gall bladder epithelium has been considered for many years to be an excellent model for the study of the physiological properties of epithelial cells and in particular ion transport .
10 Boarding out ( or fostering ) has been practised for many years and the Curtis Committee on the care of children strongly urged that this should be the first choice in finding substitute homes .
11 The possibility of a connection between the disappearance of coronae and the onset of massive winds has been discussed for many years .
12 The publication of correspondence between famous people has been used for many years for the purposes of scholastic enquiry .
13 The ERNIE machine is a modern computerized form of sampling by ‘ random numbers ’ which has been used for many years in research .
14 G. affinis is a small ( 4.6 cm long ) , surface-feeding minnow which originated in the United States and has been used for many years in many parts of the world to control mosquito larvae .
15 Let us begin by trying to understand the rationale for the system ; after all , it has been used for many years and must presumably have had some point to it .
16 It has been used for many years in traveller 's diarrhoea , as a colostomy deodoriser , and as an antispirochetal agent in syphilis .
17 These are in addition to applications in the detergents field , in which it has been used for many years .
18 Our system of construction has been used for many years all over this country , by the sponsoring authorities and others , and erm we do n't have the earthquake requirements , but we do need many high value schools both quickly and on time , and we 've completed something like 2,000 projects similar to this over many years .
19 Salt has been used for many centuries as a preservative , whereby it is left on food to withdraw the moisture present by the process of osmosis .
20 To ‘ off-comed 'uns ’ it is not even a large village , with only 2,080 inhabitants , but to the native it is a town because it has held a market charter since 1223 and although no market has been held for many years , the charter was read once a year in the market place until 1939 .
21 Mr Bell said : ‘ My programme has been set for many weeks and every day is tied up . ’
22 But for this House to depart from a rule relating to land law which has been established for many centuries might upset long established titles .
23 It has been known for many years that damage to the left hemisphere is more likely to affect language ability than damage to the right , suggesting that the left hemisphere is very important for language .
24 For example , it is still commonplace in cartoons to show cavemen and dinosaurs together , despite the fact that it has been known for many years that dinosaurs were extinct long before the evolution of ‘ cavemen ’ .
25 It has been known for many years that rich clusters contain a lot of gas and dark matter , but Ponman and Bertram 's result shows that these features apply more generally .
26 It has been known for many years that neurons , like other cells , can be maintained alive and well under such conditions for periods of many days or even weeks , provided they are kept warm , aerated and well fed with glucose and other essential molecules .
27 It has been known for many years that recycling used materials helps make great savings , but it was not until recently that it was realised how much good that it could do for the environment .
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