• 溆浦砂锡矿赋存第四冲积主要富集底部砂砾

    Placer tin deposit in xupu occurs in alluvial sediment of quatemary system and cassiterite chiefly concentrates at the bottom of gravel layers.

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  • 专用织物覆盖砂砾

    A layer of special fabric covers the gravel.

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  • 泉水沙砾埋着树杈,树杈上顶着一个尼克·亚当斯看着杯子,看着不断涌出的泉水完全流入了路边砂砾

    There was a tin cup on a forked stick that was stuck in the gravel by the spring and Nick Adams looked at it and at the water rising and then flowing clear in its gravel bed beside the road.

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  • 本文回顾设计几种方法后,提出了广砂砾保砂性的设计计算式。

    After reviewing a few design methods of sand gravel filters, a new design method of filter using broad graded materials is proposed in the paper.

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  • 小石头砂砾层可用来做隔绝保持水分降低土壤温度

    Pebbles and gravel also insulate the soil to keep surface temperatures low and preserve water.

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  • 冻结风化基岩砂砾卵石,冻土挖掘机效率低,采用爆破法,采用抓岩机装载冻土。

    For the frozen weathered bedrock, sandy gravel and pebble bed, it is more suitable to use drilling and blasting method than to use the frozen soil excavator.

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  • 并且随着埋藏深度增加,要求作为仓储砂砾岩体厚度也随之增大。

    With the burial depth increasing, the thickness of glutenite body as storage layer should be thicker.

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  • 砂砾钻孔工艺进行分析,并采取适当改进措施

    It should analysis on the craft of drilling in sand-stone layer, better to accept the improve methods in properly.

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  • 溆浦砂锡矿赋存第四冲积中,主要富集底部砂砾

    Placer tin deposit in Xupu occurs in alluvial sediment of Quatemary SyStem and CaSSiterite chiefly concentrates at the bottom of Gravel layers.

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  • 东营凹陷北部陡坡带砂砾岩体广泛发育,该类地岩性识别、划分、地质参数计算等一直测井评价面临难题

    Such problems as lithological discrimination, reservoir zonation and geological parameter calculation have been faced with a difficult problem on log evaluation of the glutinite formation.

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  • 同时仓储显示油气成藏有油气运移痕迹所要求砂砾岩体厚度相近的,油气运移痕迹的砂砾岩体厚度有明显的差别

    The thickness of glutenite body required for storage layers and hydrocarbon migration trace was close, which was very different from thickness without migration trace.

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  • 类型属砂岩

    The reservoirs are low porosity and low permeability sandstone and conglomeratic sandstone reservoirs.

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  • 薄时,将发生深管涌破坏,管涌破坏涉及浅砂及下部砂砾,其宽度深度较双堤基,出口涌砂量也较多。

    But for triple stratum foundation, if the top sand layer is relatively thin, piping is vertical. The damage zones are large in width and depth that expand to the sand layer and gravel layer.

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  • 罗家地区砂砾岩体规模厚度大岩石结构复杂储集均质性储集评价很高难度

    Reservoir evaluation is very difficult in Luojia area for thick, large? Scale glutenite body, complex structure of the rock and strong heterogeneity of reservoirs.

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  • 随着沉积环境不同表现出较大差异三角洲前缘亚相水下分流河道微相最好

    Physical properties of the sandy conglomerate reservoirs differ greatly in different depositional environments, and the best occurs in underwater distributary channel on fan delta front.

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  • 砂砾水泥稳定石混凝土厚度参考,最终根据中国规范精确测算出其各自厚度。

    The gravel, grave cement and concrete thickness are given for reference only; the final thickness will be accurately calculated according to Chinese regulation.

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  • 采用粒度分析、岩石岩性分析、砾石统计方法,本文认为新疆叶城地区第四纪砂砾层冲积-洪积类型。

    A series of Quaternary sands and gravels are well distributed on the northern foot of West Kunlun Mountains in Yecheng area oi' Xinjiang.

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  • 异常高压对砂砾的改善具有重要作用

    Surpressure has vital function for reforming reservoir quality in this area.

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  • 通过对砂砾层的研究团队得以估计这些海啸发生的大致日期,其中最早的是在3500以前

    Looking at the layers allowed his group to estimate the rough dates of waves that struck as far back as 3,500 years ago.

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  • 通过对砂砾层的研究团队得以估计这些海啸发生的大致日期,其中最早的是在3500以前

    Looking at the layers allowed his group to estimate the rough dates of waves that struck as far back as 3,500 years ago.

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