Example sentences of "have be operated [prep] " in BNC.
Next page| No | Sentence |
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| 1 | Cells fitted with diamond windows have been operated at pressures of over one million atmospheres at the Carnegie Institute in Washington . |
| 2 | In response to this growing problem , the Prosecution of Offences Act 1995 empowered the Home Secretary to introduce statutory time limits and since 1997 these have been operated on an experimental basis in a number of areas . |
| 3 | Studies of series of patients who have been operated on report survival not much worse than that expected for the age matched general population , but they ignore the possible effects of length-time bias and case selection for operation . |
| 4 | It may be that the effect of diagnosis is real and that duodenal ulcer is more persistent than gastric ulcer , or it may be that a higher proportion of gastric ulcer patients have been operated upon in the time between the two periods of registrations of drug use . |
| 5 | All locks , both door and ignition , are equipped with drill proof barrels and all models are fitted with an electronic anti-theft alarm which prevents starting unless the locks have been operated by the infra-red remote control . |