受砾屑硅质岩、含砾砂屑硅质岩控制。
而在我国有大量的硅质石屑因为粘土含量过高而被当作废弃物堆积起来。
But the massive siliceous crushed stones pile up as solid waste disposals in our country excessively because of the clay content.
对于采用聚晶金刚石刀具加工硅铝合金时产生积屑瘤的一些规律进行了研究。
A study on the trends of silver white chip formation when cutting the silicon-aluminium alloy parts with a polymerized crystal diamond cutter is carried out.
本文简述了以高炉炼铁所用的酸性铁精矿球团代替钢屑冶炼硅铁的试验过程。
The test process of smelting ferrosilicon using acid iron concentrate pellet which is raw materials for blast furnace iron-making instead of steel cuttings is briefly stated.
本研究利用不同含粘土量的硅质石屑作为硅质材料成功地制备了B05、B06级加气混凝土。
This experiment reports using clayish crushed stone for production of aerated concrete. B05 and B06 grade aerated concrete were prepared successfully using different clay content.
本研究利用不同含粘土量的硅质石屑作为硅质材料成功地制备了B05、B06级加气混凝土。
This experiment reports using clayish crushed stone for production of aerated concrete. B05 and B06 grade aerated concrete were prepared successfully using different clay content.
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