在含石英较多的叶蜡石红外谱图中，叶蜡石的吸收谱带减弱或消失。
In the spectrum of pyrophyllite containing more quartz the absorption band tends to damp or vanish.
实践表明：强夯置换法对含石填土层，淤泥质粘土层是一种经济有效的地基加固方法。
The practice has proofed it is a kind of effective and economic way to reinforce the groundsill of combined backfill stone layer with silt and clay.
XRD 图谱表明，阴极材料结晶完整，为均一橄榄石型结构，仅含少量三价铁杂质。
XRD patterns showed that the cathode material is well-crystallized, homogeneous olivine-type phase, with only tiny trivalence iron impurities.
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