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lithology factors
相关语句
  相似匹配句对
     The factors.
     其中外界因素的影响最为重要。
短句来源
     The stratohorizon and lithology are the important ore-codtrol factors too.
     成矿严格受断裂构造控制,层位和岩性也是一个重要控矿因素。
短句来源
     other factors.
     二是制度性因素 ;
短句来源
     combinations of lithology;
     红层边坡岩体岩性的组合特征;
短句来源
     stratum、lithology、structure and geomorphy,these factors affect the cave development.
     洞穴发育与地层、岩性、构造、地貌等都有密切关系。
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The ability of evaluation of sandstone reservoir has been greatly improved sine the use of electronic computer in processing well log data. But it is still difficult to analyse reservoirs with high water saturation, or reservoirs with high residual oil saturation and aquifers containing oil etc.. Based on the studies of the reservoirs and aquifers in respect to their oil saturation, porosity, lithology factor and other independent parameter: relative to water invasion and water distribution etc..an optimun...

The ability of evaluation of sandstone reservoir has been greatly improved sine the use of electronic computer in processing well log data. But it is still difficult to analyse reservoirs with high water saturation, or reservoirs with high residual oil saturation and aquifers containing oil etc.. Based on the studies of the reservoirs and aquifers in respect to their oil saturation, porosity, lithology factor and other independent parameter: relative to water invasion and water distribution etc..an optimun discrimination is proposed for the accurate evaluation of reservoirs and aquifers using discriminant analysis as a tool. The final recognition is achieved on the electronic computer. This new technique and processing program has been widely tested and verified in the Shengli oil field and other fields in east China, with precision up to 90 Percent or more. Now the technique has been extensively applind to the evaluation of Tertiary reservoirs with success.

本文从静态与动态条件出发,对砂岩油、气的规律进行了研究,并提出了采用含油饱和度、孔隙度、岩性系数、以及反映地层侵入区油、水分布规律的侵入系数等独立的参数,应用判别分析这一数学方法,综合地对油、水层进行最优的归类判别,从而达到正确评价油层、油水同层、水层。最终在电子计算机上实现综合评价。这一新型的油、气层评价方法与处理程序已在胜利油田等地进行了广泛验证,并投入了生产应用。两年多来,在发现新油田与正确评价油、气层的勘探工作中,取得了明显的效果。

Based on the measurement in site, the phenomenon of load reducing on roof key blocks structure under thick sandy soil layer was discovered. By dynamic load simulating model tests of the roof structure, it is found that the mined failure feature of thick sandy soil layer are arch, arch shell and arch pillar. Then, the general load distribution law on the mined key roof and its structure under thick sandy soil overburden were educed, and the dynamic load distribution on A, B and C key blocks of roof structure...

Based on the measurement in site, the phenomenon of load reducing on roof key blocks structure under thick sandy soil layer was discovered. By dynamic load simulating model tests of the roof structure, it is found that the mined failure feature of thick sandy soil layer are arch, arch shell and arch pillar. Then, the general load distribution law on the mined key roof and its structure under thick sandy soil overburden were educed, and the dynamic load distribution on A, B and C key blocks of roof structure was revealed. Furthermore, the load transmitting mechanism is the modified "unloading arch" in roof period weighting, and the new concept of load transmitting factor was set up. Based on that, the formulae of lithology factor and time factor of load transmitting were established. By means of these formulae, the problem of load calculation for roof key block can be solved.

基于现场实测发现的采动厚沙土层载荷传递现象,应用开发的动态载荷相似模拟系统,得出了厚沙土层采动破坏特征、工作面顶板关键层全结构的载荷总体分布规律以及顶板结构中A,B和C关键块的动态载荷传递规律;发现了周期来压期间二次"卸荷拱"现象,揭示了关键块载荷小于载荷层全厚载荷的机理;提出了载荷传递因子的概念,给出了卸荷拱高度的计算公式和载荷传递因子的计算公式,解决了关键块上的载荷计算问题.

Through the dynamic load simulating system and simulating model tests of roof structure, the general load distribution law on the mined key roof and its structure in shallow seam under thick sandy soil overburden was deduced, and the load variation law on key block A, B and C of roof structure were revealed. Furthermore, the load transmitting mechanism of the reformed “unloading arch” was found in periodic loading on roof, then the new concept of load transmitting factor was put forward, and the amendatory...

Through the dynamic load simulating system and simulating model tests of roof structure, the general load distribution law on the mined key roof and its structure in shallow seam under thick sandy soil overburden was deduced, and the load variation law on key block A, B and C of roof structure were revealed. Furthermore, the load transmitting mechanism of the reformed “unloading arch” was found in periodic loading on roof, then the new concept of load transmitting factor was put forward, and the amendatory model of M. M. Promojiyfakonov arch combined with that of K. Terzaghi was set up. On such a basis, the formula of lithology factor and time factor of load transmitting was established.

通过动态载荷相似模拟实验,得出了厚沙土层浅埋煤层工作面顶板关键层载荷的“四区”分布规律,揭示了顶板结构中A、B和C关键块的动态载荷演化规律,发现了周期来压期间二次“卸荷拱”的载荷传递机理。提出了载荷传递因子的概念,基于太沙基土压力原理建立修正的普氏拱模型,给出了卸荷拱高度计算公式,确定了载荷传递的岩性因子和时间因子计算公式。

 
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