Example sentences of "[noun sg] it [be] necessary [to-vb] [noun] " in BNC.

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1 Also throughout the branches of physical geography it was necessary to convince members of other disciplines that physical geographers had a contribution to make and this had to be done by showing what could be done rather than by simply stating in advance that a physical geographer had much to contribute .
2 In order to obtain the remaining metric function M it is necessary to integrate equations ( 7.9 ) , which may be rewritten in the form ( 12.40 ) which is equivalent to ( 11.21 ) .
3 To understand its meaning in this case it is necessary to consider Table 4.5 .
4 To maximise performance at a given application it is necessary to choose components carefully — and if you are considering upgrades this again needs to be kept in mind .
5 This meant that in order to have a measure of subjective risk for a situation it was necessary to have subjects give ratings in each case .
6 To decide what effects such focusing would have on overall recognition sensitivity it is necessary to make assumptions about the information present in the different stimuli :
7 For the successful treatment of Type II disease it is necessary to use drugs which are effective against arrested larvae as well as developing larvae and adult stages .
8 To establish market values of this heavier type of plant it is necessary to contact dealers and check periodicals such as ‘ CRANE TODAY ’ ( held in HO Claims ) .
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