如果一个稳定的泥浆柱能在油井里成型，并通过它十足的压力将石油限制在海湾范围，那下一步就是将井里的泥浆粘合好，使油井永久封闭。
If a stable column of mud has been set up in the well, keeping the oil at bay through its sheer weight, the next step would be to set cement in the well and seal it off permanently.
当在测试平台上强烈摇动时，它们都证明了比没有中心柱的测试模式有更强的稳定性。
When given a hefty shove on a shake-table, all of them proved more stable than a test model that had no central column.
因此，在调制式旋转导向工具中，就必须设置一个不受钻柱影响的、可以自动保持和调整工具面角度的稳定平台。
So, it is necessary to have a stabilized platform in the tool to obtain steady angle adjustable and independent to the rotation of drilling string.
从外观来看，纪念碑群由2711根长短不一的灰色碑柱组成，从远处望去，黑灰色的石碑如同一片波涛起伏的石林，让游客不由自主产生一种不稳定的、迷失方向的感觉。
From outside, the 2, 711 dark gray slabs form a gentle wave, ankle-high in some places, designed to give visitors a sense of instability, a loss of orientation.
目的：在治疗高度不稳定胸腰椎骨折中，评估一项名为单纯后路三柱重建术的手术方法。
OBJECTIVE: To assess a technique, three-column reconstruction through single posterior (TRSP) approach, in treatment of highly unstable thoracolumbar fracture.
通过此算法，能计算出抽油杆柱在任意时刻，任意截面的位移和载荷，而且该方法在计算时无条件稳定，特别适用于对斜井的预测。
By using this method, it can evaluate the displacement and the load of any section at any time, and the method is stable, and it is especial adapt to the inclined well.
背景资料概要：使用本技术于后路重建前柱的稳定性，可以使医生和患者都更加的便利。
Summary of Background Data. Reconstruction of the anterior column from a posterior approach could be easier for the patient and for the surgeon with this technique.
用柱这个最简单的结构作为力学模型，证明了稳定和强度两个概念是可以统一的。
Due to this, the structural stability may belong in conception of strength and can be treated as a problem of complex bending.
有效地控制钢轨连续闪光焊的动力柱送进速度，可以使整个焊接过程保持连续和稳定的闪光，从而获得优良的焊接接头。
Flash can be continual and steady, and then, the good welding joints could be obtained by properly controlling feeding speed of shifting unit of rail continuous flash welding.
结果表明，施加水再压缩对提高等离子弧柱的能量密度和稳定性、进而提高陶瓷件切割质量非常有效。
It is shown that the water constriction is effective on improving the energy density and stability of the arc, so the cutting quality can be improved also.
利用二阶效应等效的原则，提出将中间层荷载等效为柱顶荷载的近似折减方法，提出结构稳定承载力的近似公式。
Making use of equivalent principle of second order effect, the load on middle stories is converted into that at top and the approximate formula for the critical load of the system is suggested.
本文介绍用生石灰粉或水泥与软粘土就地搅拌在地基内形成土柱以稳定沟槽，深开挖以及边坡的设计与施工方法。
In this paper the method of design and construction of lime and cement columns for the stabilization of trench, deep excavations and slopes is introduced.
由于爆破地震作用，很可能造成两隧道间岩柱的局部或整体垮塌，进而影响隧道围岩的稳定。
The seismic action of blasting results in the part or whole collapsing of inter-space rock in all probability, which will influence the stability of surrounding rock.
研究表明，改进制备工艺后可提高层柱蒙脱石的热稳定性、比表面积和催化活性；
Through adjusting and optimizing the procedure during preparation, the structure, thermal stability and catalytic performance of PILCs can be improved.
分析了液柱高度和弯液面形状对系统稳定性的影响。
The influence of melt shape on system stability was, discussed.
本文分析求解了具有三阶本构关系材料梁的应力和柱的临界载荷，并对其应力特性和稳定特性作了探讨。
Stresses in beam and critical load of column with cubic constitutive equation is solved. The stresses and stability behavior of columns is discussed.
举例分析在环空和钻柱内的稳定流动过程中，随井深增加，压力、含气率、多相流体密度等的变化规律；
The steady-state flows in drill pipe and in annulus are analyzed and the variations of pressure, gas void fraction, and multiphase-flow density along the well depth are simulated.
文中利用能量法，研究了等曲率井眼中钻柱的稳定性问题。
In this paper, the problem about stability of the drill stem in the borehole with iso-curvature is studied by use of energy method.
采用精密分馏柱对稳定凝析油进行实沸点蒸馏。
The real boiling point distillation is carried out for stable condensate by using precision distillation column.
其内部由于中心负压而形成空气柱，当流场稳定后，该空气柱从底流口到溢流口贯穿始终。
Air core comes into being because of central minus pressure and goes through the hydrocyclone from the overflow gate to the bottom outlet after the flow field become steady.
采用岩石破裂过程分析软件RFPA2D系统，对短壁机械化开采的煤柱稳定性进行数值计算与分析。
The stability of coal pillar of the short-wall mining was analyzed systemically by numerical simulation with the rock failure process analysis software (RFPA2D).
煤柱稳定既取决于外加载荷，又取决于其内在性态的变化。
The stability of coal pillars depends upon additional load as well as change of its internal characteristics.
运用ANSYS程序对煤柱的稳定性进行了数值模拟，验证了煤柱的稳定性。
Applying the numerical simulation program ANSYS to analyze the stability of pillar, it proved pillar is stable.
讨论了具有抛物线形电流分布的电弧等离子体柱在磁场中的不稳定性问题。
The helical instability problem of an arc plasma column with a parabolic current profile in a magnetic field is discussed.
研究表明，有机相连续时，与其它结构参数的喷嘴板相比，标准喷嘴板脉冲萃取柱具有操作通量大和稳定性好的优点。
The results indicate that the pulsed extraction column provides high operating capacity and stability using a standard nozzle plate rather than other cartridge geometry nozzle plates.
为了研究静力预加载荷对诸如柱、圆柱壳等结构动态稳定性的影响，采用了一种简单的缺陷敏感弹塑性模型。
In order to study how the static preloading affects on the buckling stability of columns or cylindrical shells, a simple imperfection-sensitive elastic-plastic model is used.
为了研究静力预加载荷对诸如柱、圆柱壳等结构动态稳定性的影响，采用了一种简单的缺陷敏感弹塑性模型。
In order to study how the static preloading affects on the buckling stability of columns or cylindrical shells, a simple imperfection-sensitive elastic-plastic model is used.
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