Example sentences of "these [noun pl] has been [vb pp] [prep] " in BNC.
Next page| No | Sentence |
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| 1 | The algebraic structure of these transformations has been analysed by Geroch ( 1972 ) . |
| 2 | Support for these views has been sought in the small , variable , pleural sclerites of the Apterygote insects , though recent work on these by Manton ( 1972 ) has cast serious doubt on the subcoxal theory . |
| 3 | A careful assessment of these views has been made by D.C. Heggie . |
| 4 | Whether light as well as heat is generated in these reactions has been questioned by some critics . |
| 5 | The degree of dispersion away from these concentrations has been limited by the same forces that have prevented low-income people in general from moving into suburban environments , combined with a desire for being amongst their own people in an essentially alien culture . |
| 6 | Each object shown in these pictures has been scanned at two or three different wavelengths . |
| 7 | The similarity between these solutions has been noted by Feinstein and Ibañez ( 1989 ) , who have used known cosmological solutions to obtain a new class of colliding plane wave solutions . |
| 8 | The process of identifying these sites has been enhanced by the introduction of the new GIS for road accidents by the Director of Highways . |
| 9 | Some of the most intractable problems in Scottish geology relate to the structural and metamorphic history of the Moine Series rocks of the North West and Grampian Highlands , the ages of which have been matters of controversy and speculation since the early nineteenth century because of their structural complexity , and the lack of incontrovertible and unequivocal evidence of their absolute age , and it is noteworthy that research in these areas has been led by Geological Survey scientists , sometimes with university collaboration , and sometimes without . |
| 10 | It is most unlikely that either of these areas has been used for arable in the last 1500 years , and this is confirmed to some extent by field names recorded on the earliest maps ( of the early nineteenth century ) and in medieval documents . |
| 11 | The political repression and discrimination in access to education based on class , region and ethnic origin which characterizes these countries has been sharpened by economic recession . |
| 12 | For the purposes of this report the information assembled in these countries has been collated under the following headings : Background ; Farm Situation ; Off-farm Jobs ; Woman 's Role ; Training . |
| 13 | Their success in these matters has been matched by record increases in the commitment of employers to training . |
| 14 | Much of America 's apparent lead in intelligence technology and the vast sums it spends each year on these organisations has been negated by the large number of spies and traitors continually found within them . |
| 15 | The popularity of these films has been blamed for the emergence of Ninja gangs in Lusaka suburbs who wear black masks , carry home-made swords , iron bars , clubs and sticks which they use during burglaries and muggings . |
| 16 | This again correlates with the citation data for these universities , indicating that the research produced in these universities has been used in some measure by other workers , who have acknowledged that use by citations . |
| 17 | A close approximation to these conditions has been attained by Mandelkern , who annealed a linear polyethylene for 40 days . |
| 18 | Modernity for these writers has been used as an all-embracing concept that includes both the ideologies of the modern world — its ‘ modernisms ’ — and also the economic , social and cultural realities of modern life . |
| 19 | The clear recognition and respect of these efforts has been crowned in the Declaration of Independence which stated women 's full equality with men . |
| 20 | The FAP gene , thought to be crucial in the development of colorectal cancer in these patients has been localised to chromosome 5q , and has been characterised . |
| 21 | If the raw material of most of these ergs has been provided by other agencies , as differences in character between the surface wind-worked material and the sand at depth seem to indicate , then the locations of desert dunes , coastal dunes and periglacial dunes all seem to depend on the concentration of sand provided by some.other factor . |
| 22 | The reaction to these developments has been marked by a note of hysteria , at least in the British press . |
| 23 | Newson ( 1979 ) has argued that process studies in geomorphology seek to quantify three systems ; the mechanical sediment system , the chemical system , and the hydrological system , and it is notable that progress towards the quantification of these systems has been achieved by greater cooperation of physical geographers with scientists in other disciplines and in response to requirements of engineers and planners for resource information . |