Example sentences of "that [art] [adj] [adj] period " in BNC.

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1 The axial rotation rate of the Earth is directly observed to be slowing down , such that the sidereal axial period is lengthening by about 1.5 × 10 -5 second per year .
2 This was sufficiently close to the sidereal orbital period of 87.97 days for it to be generally concluded that Mercury was in synchronous rotation around the Sun , and therefore that the sidereal axial period was also 87.97 days .
3 Although it was later denied any truth by Wolfenden , it has been suggested that the immediate post-war period witnessed a ‘ witch-hunt ’ or ‘ purge ’ of homosexuals .
4 Early in the nineteenth century it was wrongly deduced , on the basis of scanty observations of surface features , that the axial sidereal period was about 24 hours , prograde .
5 Subsequent radar observations , plus Earth-based telescope observations guided by the 60-day period , ultimately established beyond doubt that the axial sidereal period of Mercury is 58.64 mean solar days .
6 Scott ( 1987 ) , on the basis of biomass and nutrient data , believes that a 15-year fallow period is adequate to allow the replenishment of nutrients stocks to support a 2-3-year cycle of cultivation .
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