查询词典 surrounding rock

How to achieve the most efficient rock-breaking is the research direction of the rock-breaking technique.

在不同泵压和淹没压力条件下，针对不同类型的空化喷嘴对高压空化水射流破碎岩石效果进行了一系列实验研究，其主要目的是探讨高压空化水射流的冲蚀能力与水力参数的相互关系，提高破岩效率。

Based on the mutual effect between PDC cutter and rock during the rock-breaking, the analytical approach of rubbing contact finite element is given.

PDC具有很高的硬度和耐磨性，作为高效切削元件被广泛地用于破碎岩石。

This is because the jet particle velocity of the swirling water jet is three-dimensional, and its rock-breaking manner mainly has a slopping impact. Thus, the interference from returning fluid is less. All these aspects make it easy to draw and shear the rock surface.

计算结果与试验一致，表明旋转射流具有较强的破岩能力，其原因是旋转射流的质点具有三维速度，破岩时以倾斜冲击为主，易于在岩石表面形成拉伸和剪切破坏，回流的干扰较少。

Combining the performance of the formation rock mechanics with the rock-breaking mechanism of the PDC bits, the PDC bits suitable for the combination driving drilling in the northeastern Sichuan were selected.

通过对地层岩石力学特性的研究，结合PDC钻头的破岩机理，筛选出了川东北地区适合于复合钻井的地层。

The measurement and analysis of recess by tri-cone bit teeth and bottom-hole pattern is an important link of drilling test,a key means of studying rock-breaking mechanism,and valuating rock-breaking efficiency.

以三牙轮钻头上单齿圈为对象进行试验，研究钻头破碎岩石后得到的破碎坑。

The heat insulation materials of the XPS of which decrease embankment height, thermal pipes setup in sun-facing side of embankment, crushed rock cover and shading board are used to adjust the subgrade damages caused by the thaw basin. Crushed rock-based embankment and both sides thermal pipes are used to adapted to subgrade damages caused by thaw-sandwich layer. The berms are adapted to subgrade damages caused by the frozen bulge.

针对融化盘偏移所引发的病害，提出可采用XPS板路基降低路基高度，或在阳坡一侧采用热棒路基、碎石护坡路基、遮阳板路基等工程措施进行治理；针对融化夹层所引发的病害，提出可采用片块石路基、双侧热棒路基进行治理；针对冻结核发育所引发的病害，提出可采用防水保温护道进行治理。

But, didn't°yet be over, saw a cake of rock Fu top a snake body, then it quick station at rock up, put out strength of jump.

可是，还没完，只见一块石头覆上了蛇身，然后之敏站在了石头上，使劲的跳着。

Geologic components and processes necessary to generate and store hydrocarbons, including a mature source rock, migration pathway, reservoir rock, trap and seal.

生成油气和储存油气必需的地质组成及地质过程。包括成熟的烃源岩、运移通道、储集岩、圈闭和封闭。

On the basis of generation and expulsion hydrocarbon history of source rock, seal formation history of cap rock, formation history of trap, active history of fault, oil or gas accumulation period using illites ages, main oil or gas accumulation period was determined to be from the end of Yimin formation to the early of Qingyuangang formation.

根据源岩生排烃史、盖层封闭性形成史、圈闭形成史、断裂活动史和伊利石测年技术，综合研究得到乌尔逊凹陷油气成藏的主要时期为伊敏组沉积末期—青元岗组沉积早期。

In the first exploration stage,several plays were divided vertically in order to show the characteristics of petroleum accumulation more clearly.With the assurance of source rock,the main play and prospect targets were chosen quickly by the assessment of reservoir,cap rock,migration passageway,seal ability of the faults,structure characteristics,favorite traps and the allied conditions.Good exploration result has been obtained in Melut Basin.

在确定油源的前提下，通过对储层、盖层、运移通道，断层封闭性、构造、有利圈闭及配套条件等方面的快速分析，迅速确定了主力成藏组合和主力成藏带，优选了勘探目标，在苏丹Melut盆地取得良好的勘探效果。

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。