Example sentences of "this [modal v] be explained by " in BNC.

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1 This may be explained by the selective cholinomimetic action of cisapride on the smooth muscle in the mid and distal oesophagus whereas the striated muscle of the proximal oesophagus has not been affected .
2 This may be explained by the fact that more hydrogen was used in a metabolism other than methanogenesis in these subjects even on the basal diet .
3 This may be explained by misspellings or misread-.ings .
4 This may be explained by the fact that the increased basal acid output in duodenal ulcer patients was due to their combination of increased basal gastrin and exaggerated acid response to gastrin .
5 Almost half the Congo patients still had detectable parasitaemia on day 4 ; in Gabon all patients had a negative thick blood film on day 3 , and this may be explained by the use of a new formulation of halofantrine .
6 This might be explained by the fact that the former category are not the direct employees of the establishment and that their terms and conditions of employment are less subject to regulation by unions .
7 This might be explained by WIRS s failure to pick up data on casual workers , the form of temporary worker employed in low skill service occupations .
8 This might be explained by sub-lithospheric thermal anomalies causing uplift without penetrative magmatism developing to a point where volcanic activity occurs at the surface .
9 This could be explained by saying that the lords had insisted that the children of the bond remained bondmen , thus exacting their full rights .
10 The high incidence in Seascale occurred over an extended period , and we are not sure whether this could be explained by Kinlen hypothesis .
11 Much of this can be explained by the cooptation which has taken place through the mechanism of clientelism .
12 This can be explained by the recent deep subsidence in Cainozoic times .
13 This can be explained by the decrease in the solar flux ( caused by SO 2 absorption ) which reduces the rate of O 2 photolysis and hence of O 3 production .
14 Depths less than this can be explained by the infilling of lagoons and the deposition of some material on banks .
15 Moreover , the lunar seismic signals were of a very different nature from those seen in the Earth , and this can be explained by the prevalence of a fragmented medium in the outer regions of the Moon .
16 This can be explained by the absence of ulcers in their study , and by the nature of our scoring system .
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