Example sentences of "with an [adj] period [prep] " in BNC.

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1 All industrial countries have experienced such a transition from high to low birth- and death-rates in the last century , usually ( except in France ) with an intervening period of moderate population growth when the death-rate falls before the birth-rate .
2 Mr. Hogan has a service contract with the Company with an unexpired period of three years .
3 Mr. Cordingley has a service contract with the Company with an unexpired period of two years .
4 An economical explanation of the features just presented is that HDE 226868 and Cygnus X-1 form a binary pair with an orbital period of 5.6 days : the time-varying spectral shift of the optical partner is then simply the Doppler shift produced by its orbital motion .
5 CONCERTED efforts to improve health and safety have been rewarded with an accident-free period of 100 days at Courtaulds Packaging company Soplaril .
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