The removal behavior of mineral elements and ash in wheat straw during alkaline pulping is studied by means of atomic absorption spectrometer and SEM-EDAX.
用原子吸收光谱法、SEM - EDAX法研究了麦草原料灰分及矿质元素在碱法制浆过程中的脱除规律。
Absorping ability of fly ash was studied by testing light absorption of waste water treated by activated fly ash.
然后，用各种活化粉煤灰处理焦化厂脱酚工段废水，通过检测废水的吸光率来考察粉煤灰的脱色能力即吸附能。
The results show that the brick density is lowered, water absorption is largely increased while the compression strength is obviously lowered along with the increase of added fly ash.
结果表明：随粉煤灰掺量的增加，砖的体积密度下降，吸水率有较大的增长，而抗压强度的降幅十分明显。
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