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1)  open pit sag
凹陷露天
2)  Deep open-pit mining
深凹露天
3)  Tiancao sag
天草凹陷
1.
For further deepening the exploration process to find commercial oil and gas flow, it is necessary to study the hydrocarbon-bearing system of Tiancao sag.
天草凹陷位于银-额盆地的西部,现仅钻有一口探井,在白垩系巴音戈壁组见到油气显示。
2.
Tiancao sag develops many sets of source rocks,but the main source rock is still unclear,and the report about the evaluation of source rock has not been seen.
银根—额济纳旗盆地天草凹陷发育多套烃源岩,但究竟哪一套地层是主要烃源岩尚不清楚,也未见对其烃源岩生烃潜力评价的报道。
4)  Tiancao depression
天草凹陷
1.
The reservoir rock type of Lower Cretaceous age in Tiancao depression of YingenEjinaqi basin consisteds mainly of feldspar litharenite which is characterized by high contents of lithic debris,by lass for feldspar and least for quartz.
天草凹陷下白垩统储层岩石类型以长石岩屑砂岩为主,岩屑含量高,长石次之,石英含量最低,成分成熟度和结构成熟度低,胶结物主要为方解石,次为泥质。
2.
In order to evaluate the petroleum prospecting potential of the Tiancao depression, two set of source rocks from Bayingebi Formation and Suhongtu Formation of Lower Cretaceous respectively were collected for studying their geological and geochemical characteristics and thermal evolution history.
研究了下白垩统巴音戈壁组、苏红图组一段两套烃源岩的地质、地球化学特征以及烃源岩的热演化, 评价了天草凹陷的含油气远景。
3.
Located in the northwest of the Cretaceous rift basin group in Yingen Ejinaqi basin, the tectono-sedimentary evolution of Tiancao depression involves three main periods, the first period is the occurrence and development of the rift in earlier Cretaceous, the second period is the sagging during later Cretaceous and the third period is squeezing and uplifting during Tertiary and Quaternary.
天草凹陷位于银根—额济纳旗盆地白垩纪断陷盆地群的西北部,经历了早白垩世断陷发生、发展阶段,晚白垩世坳陷阶段,第三纪到第四纪挤压抬升等主要的构造演化发展阶段。
5)  furrow pit
深凹露天矿
1.
Core technique of efficient hauling system and its application in furrow pit;
深凹露天矿高效运输系统及关键技术探讨
2.
The space effect of the furrow pit slope is analysed by elastic mechanics principle.
在假定岩体为连续、均质、各向同性的弹性体,只承受自重应力和进行倒截头圆锥形开挖情况下,运用弹性力学原理对深凹露天矿边坡的空间效应进行分析,并推导出边坡环形岩石的临界滑动角α与岩石容重γ、摩擦系数f、岩石的环向弹性模量E_θ和开挖半径r之间的关系式。
3.
By means of taking the circle rock on the trumpet slope as a mechanics model, analyzing its stress state using Coulomb's criterion and considering size effects of the rock mass, the relation function for stable slope angle, the angle of internal friction, the cohesion, the unit weight and the horizontal radius of furrow pit is derived in this paper.
该式反应了深凹边坡的稳定性坡角可随着开挖深度增加而增大的规律 ,为采用减少深凹露天矿底部废石剥离量的凸曲线形边坡奠定了理论基础 ,也为确定其边坡的合理形状提供了基本方
6)  Deep open pit
深凹露天矿
1.
In this Paper, wrter, based on investagting Several of domestil large deep open pit, and combined with interrelated material from home and abroad, makes andysis and summary of rational transportation form of deep open pit.
通过对国内几个大型深凹露天矿的调查,并结合国内外有关资料,对深凹露天矿合理的运输方式进行了分析、综述。
补充资料:凹陷露天矿


凹陷露天矿
open-pit in rolling terrain

随运距的增加,运输能力下降。(3)大气降雨和地下水渗流需用排水设施排出。(4)出人沟和开段沟掘进时为双壁沟。(5)随开采深度下降,采场四周逐渐形成最终边坡,为保证继续生产作业的安全,应对边坡进行监测和维护。(幼生产过程产生的炮烟和粉尘,柴油机排放的废气等的扩散及排除较慢。 (李宝祥)oox*an Iut一ankuong凹陷露天矿(open一pit in rolling terrain)位于露天采场地表最终境界封闭圈以下的露天矿。其特点是:(1)开拓运输坑线系统随开采深度的增大逐渐形成,运输距离不断增加。(2)在运输坑线上重载上行,
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