单词 | cementation |
释义 | cementation [´sē´men`tā·shǝn] CHEMISTRY The setting of a plastic material. ENGINEERING 1. Plugging a cavity or drill hole with cement. Also known as dental work. 2. Consolidation of loose sediments or sand by injection of a chemical agent or binder. GEOLOGY The precipitation of a binding material around minerals or grains in rocks. METALLURGY 1. High-temperature impregnation of a metal surface with another material. 2. Conversion of wrought iron into steel by packing layers of bars in charcoal sealed with clay and heating to 1000°C for 7-10 days. |
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