Example sentences of "contain two [noun sg] [noun] " in BNC.

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1 It was named tyrothricin and was later shown to contain two polypeptide components , which were named gramicidin and tyrocidine .
2 Our restructured PGCE now contains two teaching practices ; the time allowance for method work ( formerly two whole days each week in the autumn and summer terms ) now places the students on attachment to schools for one day each week , thus leaving one day for method , plus a half-day for second method .
3 NCp7 is a highly basic protein which contains two zinc fingers of the form Cys-X 2 -Cys-X 4 -His-X 4 -Cys ( CCHC ) flanked by regions rich in basic residues ( 3–4 ) .
4 This system contains two neutron stars orbiting each other , and the energy they are losing by the emission of gravitational waves is causing them to spiral in toward each other .
5 Like Green 's compound , this iridium compound contains two hydrogen atoms that can be eliminated by light .
6 The first-aid box contains two dinky bandages , some muslin , and some cotton wool and these are not enough .
7 For the rest , the plan contains two stumbling blocks .
8 Yet chemists would guess , were it not for the evidence of their own senses , that a material containing two hydrogen atoms and one of oxygen in each of its molecules should be a gas at Earthly temperatures — like carbon dioxide , with one atom of carbon and two of oxygen , or nitrogen dioxide , with two atoms of oxygen and one of nitrogen .
9 The shop has its own colour room , containing two colour mills and one white lead mill , these being worked by electricity .
10 RESEARCH into a neglected area of carbon monoxide chemistry has yielded a new reaction which converts carbon monoxide to molecules containing two carbon atoms ( C2-compounds ) , and could be of commercial importance .
11 Repeating these steps produced a plasmid containing two protein A domains , and then by another step to one with three domains .
12 By cumulating citation percentages within decades , the authors deduce that they require a mathematical function containing two exponential terms to describe data .
13 It was , in fact , two mills in one and contained two water wheels , although because of the silk slump only one was ever used to its full extent .
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