scoria

Nomenclature of the Holocene Volcanic Systems and Research on the textural parameters of the scoria cones in northern Hainan Island

琼北全新世火山区火山系统的划分与锥体结构参数研究

Experiment and research study on pumping concrete performance by adding grinded hydrated scoria;

试验研究了掺加磨细钢渣、粉煤灰等掺合料后水泥浆体导电性能的变化。

There were rocks underfoot and boulders about them, rough to the touch like scoria.

粗糙的石头散落在脚下，也矗立在身边。

Treating the Vitrioled Scoria Leaked From Electrolysis Zinc With Lime Coal Cinder

利用石灰和煤灰渣处理电解锌浸出渣

The soluble Si in the scoria especially the dross and Cr-contained scoria amounts from 8.9~ 134.3 g/ kg, which can be applied to the Si-lacked soil or high-nitrogened soil.

大部分熔渣呈碱性.溶渣中可溶性硅含量在8.9～134.3g/kg，且以铁渣，铬渣含量较高，可以供施给缺硅或高氮的土壤。

Research of the High Performance Concrete by Mixing Scoria Powder

掺超细矿渣粉高性能混凝土的研究

Based on the composition and texture differences of the cones, the cones have been subdivided into scoria cone, spatter cone and mixed cone.

在火山锥中，依据锥体组成与结构的差异又可进一步分为岩渣锥、溅落锥和混合锥等碎屑锥。

This article analyzes the composition of steel scoria and introduces the way using steel scoria. It puts forward the plan to use open hearth furnace slag in portland cement as the hydraulical admixture.

分析了钢渣的组成，介绍了钢渣利用的可能途径，提出了用平炉钢渣作为普通硅酸盐水泥水硬性混合材综合利用的方案。

Study on graphite scoria applied under base-course of expressway

石墨矿渣在高速公路底基层中应用

The hazard of descendent scoria is superficial hazard, the radius is 9 kilometers.

降落火山渣为面积性灾害，中高危区的半径约9Km。

Studying the feasibility of using graphite scoria as filling material of expressway.

探讨采用石墨矿渣作为高速公路填筑材料的可行性。

The take out scoria machine reformation of 65T/ h boiler

65吨锅炉出渣设备改造

Research into Effective Si in Si-contained Scoria

含硅熔渣中硅的有效性研究

The change is studied between the strength of silicate and scoria concrete with the circulation times of concrete corrosion by sea water.

研究了在多离子作用下的不同水灰比的普通硅酸盐混凝土及矿渣混凝土的强度随海水侵蚀循环次数衰减变化情况、不同水泥用量的普通硅酸盐混凝土的强度随海水侵蚀循环次数衰减变化情况。

Research into Physico-chemical property of Scoria and its effective silicon contained shows that apart from some minor elements and heavy metal elements, Its chemical compositions mainly consist of SiO 2, CaO, Al 2O 3, of which the SiO 2 is relatively more contained.

对熔渣的理化性质及有效硅研究结果表明：溶渣化学成分主要以SiO2、CaO、Al2O3为主，其中以SiO2含量最高；另外含有某些微量元素及其他一些重金属元素；