This paper studies the practice and mechanism of slagging-off and insulation of Xinyang perlite instead of straw ash used in foundry work conventionally.
近年来不少国家采用珍珠岩代替稻草灰用作铸造生产上铁水的聚渣、保温材料。
With currently enormous construction of the straw power generation, leaching of abundant biotic potassium in the plant ash is catching more and more attention.
伴随着目前秸秆发电厂的兴建，提取秸秆燃烧后草木灰中丰富的生物钾资源受到越来越广泛的重视。
The new compound energy saving wall material was made of straw, fly ash, cement as main raw, and some admixtures.
新型复合节能墙体材料是以秸秆、粉煤灰、水泥为主要材料，配以各种外加剂而制成。
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