shell sand
Exemple din articole cu shell sand
- The suitability of shell sand as a P sorbent has been tested both with laboratory batch experiments as well as in a sub-surface flow (SSF) meso-scale constructed sand filter treating municipal wastewater from a single hou .
- Independent innovation to eat quot crab quot the provision of creative writing br Wudi county Shandong Province has a world rarely seen in about 76 km of ancient shell sand embankment the total reserves of 360 000 000 tons of sand shell .
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