1.
Study on using oil shale residues for leaching sodium aluminate solution
油页岩灰渣浸取铝酸钠溶液试验研究
2.
Study on the Synthesis of Zeolites from Oil Shale Ash
以油页岩灰为原料合成沸石分子筛的研究
3.
Adsorption Characteristics of Phosphorus in Oil Shale Waste Slag Used in Constructed Wetland
人工湿地基质油页岩灰渣对磷的吸附特性
4.
Extraction of Aluminum Salt from Oil Shale Residue and Preparation of Nanoparticle Alumina by Carbonation Method;
油页岩灰渣提取铝与纳米氧化铝粉体的制备研究
5.
Study on the Modification of Oil Shale Ash to Prepare of Absorbent and Its Adsorption Characteristics
油页岩灰渣改性制备吸附剂及其吸附特性的研究
6.
The limestone, sandstone and shale of this area were soft.
这个地区的灰岩、砂岩和页岩都是很柔软的。
7.
Any of various dark gray sandstones that contain shale.
杂砂岩任何含有页岩的多种黑灰色砂岩之一
8.
polygenetic micrltic dolostone; marl and shale.
复合成因的白云岩、泥灰岩及页岩等4大类14种岩相。
9.
Induced porosity is typified by fracture development as found in some shales and limestones and by the vugs or solution cavities commonly found in limestones.
次生孔隙度是以某页岩和石灰岩的裂缝和石灰岩中的岩穴和溶洞为代表。
10.
DIFFUSIONAL EFFECTS IN THE ASH LAYER OF THE OIL SHALE CHAR COMBUSTION
油页岩半焦燃烧中灰分层的扩散动力学研究
11.
The Influence of Granularity of Limestone on the Quality of Sintering Bricks of Purple Sandy Shale
石灰石细度对紫色砂页岩烧结砖质量的影响
12.
These folded rocks are composed of medium to thick bedded limestone of Ordovician and of thin bedded shale and siltstone of Silurian.
这些褶皱岩层是由奥陶系的中层至厚层石灰岩以及志留系的薄层页岩和粉砂岩组成。
13.
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
14.
EFFECTS OF ALKALINITY AND HEAT TREATMENT DURATION ON MICROSTRUCTURE OF NUCLEATED GLASS-CERAMICS FROM OIL SHALE FLY ASH
碱度和热处理时间对页岩飞灰微晶玻璃结构的影响
15.
The Effect of Mechanics of Different Pore Former on the Properties of Fly-ash and Shale Sintering Product
不同成孔机理造孔剂对粉煤灰页岩烧结制品性能影响
16.
Research on Apparent Porosity and Performances of Sintered Products Prepared by Using Fly Ash and Shale
粉煤灰-页岩二元体系显气孔率与制品烧结特性的研究
17.
The diversity index and species richness index of original vegetation in Karst area are lower than in nonkarst area.
石灰岩地区原生植被生物多样性和物种丰富度指数较砂页岩地区的原生植被低。
18.
Sandstones are, as a rule, interbedded with shales.
砂岩通常都与页岩互层。