Value limits of clayey surrounding rock classification indices;
黏质土围岩分级指标的界限值确定
The paper carried out research on characteristics of grit with weak expanded clay from mineral composition, grain gradation, dilatability, compaction, permeability and strength.
针对燕山水库弱膨胀黏土质砂砾岩能否作为坝体填料这一问题,从矿物组成、颗粒级配、膨胀性、压实性、渗透性、强度等方面对其工程特性进行了研究。
The research on temperature shrinking property of stabilized shale soil used as pavement base;
稳定页岩土基层的温缩特性研究
Research on try shrinking property of stabilized shale soil used as pavement base;
稳定页岩土基层干缩特性研究
GEOCHEMICAL CHARACTERISTICS OF SOILS DERIVED FROM THE LOWER-CAMBRIAN BLACK SHALES DISTRIBUTED IN CENTRAL HUNAN,CHINA
湘中下寒武统黑色页岩土壤的地球化学特征
Elemental geochemistry of soils derived from the Lower-Cambrian black shales in Anhua county,central Hunan(China)
湖南安化下寒武统黑色页岩土壤元素地球化学特征
Geochemical Study of Heavy Metal Contamination of Soils Derived from Black Shales at the HJC Uranium Mine in Central Hunan,China
湘中HJC铀矿区黑色页岩土壤重金属污染地球化学分析
Thus clays and shales tend to be impermeable.
因此粘土和页岩就往往不透水。
The principal direction of small-scale movement is from a shale or clay to a sandstone or other permeable bed.
小范围运动主要从页岩或粘土岩向砂岩或其他渗透性地层中运动。
Research on High-Strength Shale Aggregate s Preparation and Property for Aggregate Concrete;
高强页岩陶粒制备及其混凝土性能研究
Effect of shale ceramsite on failure character and mechanism of concrete
页岩陶粒对混凝土破坏特征及机理影响的研究
Application of Light-weight Ceramist-shale Aggregate Concrete to Bridges
页岩陶粒轻骨料混凝土在桥梁中的应用
Research on Oil Shale Waste Replacing Clay to Produce Cement
油页岩渣替代粘土制水泥的研究及应用
Soil structure is brown loam over red/yellow clay with underlying shale.
土壤结构为咖啡色壤土覆盖红/黄黏土，基底为页岩。
a sedimentary rock differing from shale in being bound by silica and from slate in having no slate cleavages.
一种沉积岩，因有硅土粘合而区别于页岩，又因没有石板裂缝而区别于板岩。
A fine - grained, dark gray sedimentary rock, formed from silt and clay and similar to shale but without laminations.
泥岩一种细粒的、深灰色的沉积岩，主要由淤泥或粘土组成，类似页岩但不具纹层
Sandstones are, as a rule, interbedded with shales.
砂岩通常都与页岩互层。
Study on Vegetation and Soil Characters at Different Ecological Restoration Stages in Eroded Degradation Area of Shale;
页岩侵蚀退化区不同生态恢复阶段植被与土壤特征研究
Mensuration of Thermal Conductivity Coefficient and Linear Thermal Expansion Coefficient of Shale CeramicsGrain Concrete Products;
页岩陶粒混凝土制品导热系数及线性热膨胀系数测定
Effect of pre-wetted shale ceramsite with low water absorption on performances of high-strength lightweight aggregate concrete
低吸水率页岩陶粒预湿处理对高强轻集料混凝土性能的影响
Shale underlies coal.
页岩层在煤层之下。
North America has vast deposits of shale.
北美有大量油页岩沉积。