The RHA, amorphous or partially crystalline, when used in an appropriate way, reduces autogenous shrinkage.
无定形的或部分结晶的RHA当以适当的方式加以采用时能降低自生收缩。
A lot of data has been published concerning the influence of RHA on the behaviour of pastes, mortars and concretes.
关于RHA对浆体、砂浆和混凝土性状的影响已经发表了很多资料。
Rice hull ash (RHA) was activated with sulfuric acid after treatment with alkali soluted to produce an adsorbent for the soybean oil industry.
稻壳灰经碱液处理后，再用硫酸活化以制取大豆油精炼中的脱色剂。
The activity test indicates that the pozzolanic activity of L-RHA surpasses that of palletized silica fume, and L-RHA has strong strength effect on ordinary concrete and high strength concrete.
活性试验显示，低温稻壳灰火山灰活性超过造粒硅灰，对普通混凝土和高强混凝土都具有强烈的增强作用。
The activity test indicates that the pozzolanic activity of L-RHA surpasses that of palletized silica fume, and L-RHA has strong strength effect on ordinary concrete and high strength concrete.
活性试验显示，低温稻壳灰火山灰活性超过造粒硅灰，对普通混凝土和高强混凝土都具有强烈的增强作用。
应用推荐