Example sentences of "develop over a [adj] period " in BNC.

  Next page
No Sentence
1 Also the junction between the uncorroded metal and the applied patina is very sharp , whereas a patina which has developed over a long period of time will have eaten into the metal in a very irregular and quite characteristic manner that is very difficult to imitate .
2 Scientific examination has shown that they are made of bronze similar to that used in genuine Italic figures from Italy and the patination appears to have developed over a long period , suggesting that they are not modern copies .
3 Within the orbit of the late Roman world , Christianity was primarily receptive ; it inherited a set of institutions ready-made , conformed to a social and political structure which had developed over a long period , and learned to live with a culture which it had little part in creating .
4 The final separation may mean an agony of divided loyalty for the children of the marriage or it may spell relief from intolerable tensions which have developed over a long period .
5 Egyptian ideas about the creation of the world developed over a considerable period of time .
  Next page