Example sentences of "[noun] in the past 25 years " in BNC.

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1 It is intended to approach this by studying : — their patenting activity by means of patents granted to them in the United States in the past 25 years ; this will indicate the areas where the industries/economies of each country — and their research/innovative activity appears to be strongest ; — the adoption of the selected major postwar innovations and their diffusion in the industries of each of the countries covered ; — their performance in ‘ high-technology ’ areas ; — certain indicators of the countries ' energy economics ; — and possibly assess their productivity level in comparison with some West European countries ; Economic research institutes in Sofia , Prague , Budapest and Warsaw will cooperate by providing — where necessary — the technical and statistical information required .
2 Until relatively recently little was known , but the position has been improved by a large number of studies in the past 25 years .
3 The major change of emphasis in the past 25 years has been the breakdown of the bookfund into headings representing functional or user criteria rather than into geographical headings .
4 Despite great advances in differential diagnosis and management of urinary incontinence in the past 25 years the handicap that it imposes on the sufferer has not been explored to any extent , nor has the way in which help has been sought and the effectiveness of such help .
5 As someone who has been admitted into psychiatric care 16 times in the past 25 years and has usually received acute care in asylum style settings , I shed few tears for the disappearance of these places .
6 Finally physical chemistry ; here the most important advance in the past 25 years has been the study of the interaction of matter and radiation : spectroscopy .
7 The continuing failure of the UK education system in the past 25 years to provide industry with skilled and conscientious labour to match that of Germany , Japan , Italy , South Korea and elsewhere , needs no particular emphasis .
8 Studies of the yearly growth rings of the Huon pines suggest that the temperature in the past 25 years has risen faster than at any other time since AD 900 .
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