hardness+of+heart
131test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …
132Diamond-like carbon — A ta C thin film on silicon (15 mm diameter) exhibiting regions of 40 nm and 80 nm thickness …
