| 摘要 |
<p>This material consists of a mortar comprising granulates of an inorganic boron compound, for example colemanite, aluminous cement and chemically bound water, the boron content of the said mortar being at least 0.62x10<2><2> atoms/cm<3> and the hydrogen content of the said mortar being at least 1.42x10<2><2> atoms/cm<3>. It can be employed for producing shielding walls, linings and plant components for obtaining a subcritical environment.</p> |
