Assertion: heavy water | /r/HasProperty | maintained at high pressure
Facets:
value: very
type: DEGREE
value: to enable it
type: PURPOSE
Source sentences:
text: Water or heavy water must be maintained at very high pressure (1000-2200 psi, 7-15 MPa, 150 atmospheres) to enable it to function well above 100°C, up to 345°C, as in present reactors.