sandstones

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1.
These gas sandstones have better anomaly pattern only when the gas volume has been up to a given size, due to their low acoustic impedance.
研究区含气砂岩具有低阻抗特征，只有当含气量达到一定规模时才有较好的异常显示。
www.ceps.com.tw
2.
Sandstones of shallow water delta facies are the material base for the formation of these tight reservoirs.
结论认为：浅水三角洲砂岩是这些致密砂岩储层的物质基础；
www.cngascn.com
3.
The sandstones in second and fourth members of Xiangxi Formation of the Upper Triassic are the main natural gas reservoirs in Sichuan Basin.
四川盆地上三叠统香溪组二、四段砂岩是盆地内主要天然气储层之一，近年来勘探形势喜人。
syxb-cps.com.cn
4.
The equipment for filtering through the sandstones is a pipe-trough type filter, and a sandstone filter layer is arranged in the filter.
所说的砂石过滤所用的设备，是一种管槽状的过滤器，过滤器里面设有砂石过滤层。
ip.com
5.
Coal is usually found associated with sandstones, carbonaceous siltites and coal seams.
通常找到煤炭伴生与砂岩、碳质的硅和煤层。
zhidao.baidu.com
6.
The main diagenesis types of sandstones are the mechanical compression, cementation and dissolution.
砂岩主要的成岩作用包括机械压实作用、胶结作用、溶蚀溶解作用。
www.geojournals.cn
7.
Distributary channel and subaqueous distributary channel sandstones are the skeletal sand bodies.
分流河道和水下分流河道砂为储集层骨架砂体；
www.ceps.com.tw
8.
The method of manufacturing glass-ceramics with steel slag, fly-ash, copper mine tailings & sandstones as a major material was described.
介绍以宝钢钢渣、粉煤灰、铜尾矿等工业固体废渣为主要原料采用熔融法制备微晶玻璃的方法。
www.chemyq.com
9.
Statistical results show that medium and fine-grained sandstones are the most favorable rock types for uranium mineralization.
统计结果表明，中、细粒砂岩是铀矿化最有利的岩石类型。
lib.cqvip.com
10.
Carbonate cements are the most abundant authigenic minerals in the Palaeogene sandstones of Lishui sag, East China Sea basin.
碳酸盐胶结物是东海盆地丽水凹陷古近系储层砂岩中最为重要的自生矿物，主要类型为铁白云石和方解石。
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