basal sandstone是什么意思

网络释义

用法例句

Based on the analysis of rock group structure,geology force,the VF electricity grasps method in sandstone under coal seam bottom in 6123 working-face,discussed 12 mining area coal seam bottom sandstone,and bring forward the measure of preventing,according to having an effect to guide safety at work for coal seam bottom water burst.

通过对百善煤矿12采区6123首采工作面煤层底板岩石组构、构造受力、音频电透视资料的分析,探讨了12采区煤层底板砂岩的富水性及富水性分区,提出了防治底板水的措施,为煤层底板突水预测与防治提供了依据。

Depositional paleogeography and source rock analysis of the lower sandstone part of Eogene Kumugeliemu Group in Kuqa depression;

塔里木盆地库车坳陷古近系库姆格列木群底砂岩段沉积古地理和物源体系

Characteristics of sandstone water in 11-2 roof and floor of Liuzhuang colliery and prevention and control technology

刘庄煤矿11-2煤层顶、底板砂岩水特征与防治技术

sedimentary rocks,eg sandstone,limestone,slate

沉积岩（如砂岩、石灰岩、板岩）.

A variety of sandstone that is flexible when cut into thin slabs.

可弯砂岩当被切进薄石板时易弯曲的一种砂岩

An evenly layered sedimentary rock that can be split into paving stones.

薄砂层岩，板层砂岩一种有整齐分层的能打砸成铺路石的水成岩

Study on Influencing Factors Caused by Bottom Water Coning in Sandstone Gas Reservoir with Bottom-water

底水锥进对砂岩底水气藏开发效果的影响

Favorable reservoirs may be composed of sandstones, conglomerates basement metamorphic buried hills, and volcanic rocks.

砂岩、砾岩、基底变质岩潜山，火山岩均可形成良好储层。

The cardium sandstone is lithic, being composed of grains of chert, quartz, quartzite, silicified argillite, and other rock fragments.

卡迪砂岩是岩屑砂岩，由燧石，石英、石英岩、硅化泥板岩和其它岩石碎屑颗粒所组成。

a soft sandstone used for scrubbing the decks of a ship.

一种软质砂岩，用于洗磨船的甲板。

Anisotropic Properties of Sandstone and Slate at Lianghekou Hydropower Station

两河口水电站砂、板岩各向异性的研究

Control on rock friction sparks and heating-up of sandstone roof in a coal mine

抑制煤矿砂岩顶板岩石摩擦火花和升温

Stability study of tunnel with interbedded sand slate rock in west route of South-to-North water diversion

南水北调西线隧洞砂板岩互层围岩稳定性研究

lithic arkosic wacke

岩屑长石砂岩质杂砂岩

The host rocks of Zhaishang Au deposit are mainly argillic, calc and carbonaceous slates and silty sandstone.

寨上金矿区赋矿岩石主要为泥质、钙质、碳质板岩、粉砂岩等。

The detection of Hydrous quality about roof sandstone by mine transient electromagnetic method

顶板砂岩富水性的矿井瞬变电磁法探测

Surface condition of plates before shot blasting and priming.

板材在喷砂处理和涂装底漆之前的表面状况。

Study of Drainage for Limestone Water of Coal Floor Based on Visual Modflow

基于Visual Modflow煤层底板灰岩水疏放性研究

The selecting type of the support and roof control in soft rock coal seam floor

软岩底板煤层支架选型及顶板控制研究

A TENTATIVE APPROACH TO CONTROL OF BASEMENT STRUCTURE OF DEPRESSED LAKEBASIN OF CENOZOIC ERA OVER SANDSTONE-TYPED COPPER 0RE IN CENTRAL YUNNAN PROVINCE

滇中中、新生代断陷湖盆的基底构造对砂岩铜矿控制的探讨