Example sentences of "the [noun sg] to [noun] ratio " in BNC.

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1 Down bags are usually more expensive than synthetic models but the weight to warmth ratio tends to be better and down bag can be packed very small .
2 This is generated in a mixing system , situated above the column , by constantly increasing the solvent to non-solvent ratio and as the mixture is initially a poor solvent which is gradually enriched by the good solvent the low molar mass fractions are eluted first .
3 On replay with a correcting network , the signal is normalised and at the same time , the signal to noise ratio is improved .
4 A reduced ampitude of the electrical control activity may result in a marked diminution of the signal to noise ratio making it difficult to extract the true dominant frequency .
5 The use of such substances would enhance the resolution of the images by increasing the signal to noise ratio between tissue and contrast media and allow for a greater imaging frequency because of the shorter relaxation time .
6 It is true we did increase the pupil to teacher ratio to one to thirteen in line with the F E er guidelines and that of course did provide some extra nursery places but last year we did put in real resources and actually increased the number of nursery places by about four hundred which involved the development of several new nursery classes , so it is completely untrue to say that the Conservatives attempted to increase nursery education on the cheap .
7 A relationship has been established between crater diameter and crater depth , the greater the diameter the smaller the depth to diameter ratio .
8 The removal of selected pyramid modules can offer internal openings and improve the strength to weight ratio of the system , while not sacrificing stability .
9 They reasoned , correctly , that a substantial increase in the revolutions per minute of the engine would increase the power to weight ratio and permit a whole range of new developments .
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