| 摘要 |
<p>The invention concerns mineral compositions, for use as precursors, with a chemical composition based on the following systems: CaO-P2O5-Na2O-SiO2 and CaO-P2O5-SiO2. The invention also concerns a method for preparing said compositions, their use for preparing hydroxyapatite, in particular in the form of fibres, for example in concrete mixtures.</p> |
