查询词典 rock-strewn

The Eogene in Jiyang depression developed various of lacustrine shale, mudstoneand shaly carbonate rock, such as black shale, laminar shale riched in organic matter,calcite laminar shale, calcite shale, mud shale , laminar carbonate rock, and calcareous,silty, dolomitic, carbonaceous mudstone with the colour varied from gray-black topurple-red.

济阳坳陷古近系发育多种湖相泥岩、页岩和泥灰岩，包括黑页岩、富有机质纹层页岩、钙质纹层页岩、灰色钙质页岩、灰色页岩、纹层状泥灰岩以及从灰黑到紫红的各种颜色的钙质、云质、碳质和粉砂质泥岩。

We can attain the habitues of stability of rock mass advanced by forecasting the deformation, and we can adopt necessary control methods, and insure the stability and safety of rock mass engineering.

通过预测围岩体的变形，可以事先了解巷道的稳定状态，从而可以根据需要采取必要的控制措施，以最小的代价保证工程的稳定安全。

But the real focus of shoring in hard rock, the rock Zaocheng a trapezoidal shape of right-angle look, and then insert-beam, and right-angle ladder to fully close some acute angle, using principles of mechanics into a half-beam as the base.

而真正的重心撑在坚硬岩石里，岩石凿成了形似直角梯形的样子，然后插入飞梁，使其与直角梯形锐角部分充分接近，利用力学原理半插飞梁为基。

In regard of the problems of large holes to be bored, deep boring into rock and complicated rock layers in construction of bored pile foundations of in\|water piers of main spans of Wuhu Changjiang River Bridge, selection and structural features of cutter heads and hobs of the boring equipment used are described.

针对芜湖长江大桥正桥水中墩钻孔桩基础施工中存在的孔径大、钻岩深、岩层复杂等问题，阐述钻孔设备中刀盘和刀具的选用要求及结构特征。

Indenters of different shape have different effects of rock-breakuge,To the four kinds kfindenters used in the experiment the rock-breakage ef fect a farc-prism indenter is the best.

不同形状齿形的破岩效果不同，试验所用的四种齿形中弧齿的破岩效果最好。

Experimental rock specimens were collected from the eastern Sichuan and northern Xinjiang provinces,and the stress isopleths to the rock specimens were calculated with a finite element method for accurate determination.

实验岩石样品采自四川东部和新疆北部地区，为测试准确起见，对岩样进行了应力等值线的有限元法计算。

Water jet ; rock breakage ; rock damage model ; fluid-wall interaction ; finite element method

水射流；岩石破碎；岩石损伤模型；流固耦合；有限元方法

High pressure water jet ; rock fragment ; finite element method ; fluid rock interactions ; numerical calculation

高压水射流；岩石破碎；有限元法；流固耦合；数值计算

In this paper, an idea is presented about a larger pressure of percolation flow existed in a part of rock by a high-pressure jet, and the pressure has great effect on the rock fragmentation with jet. A model of calculating the pressure is established.

本文提出了射流作用下岩石局部范围具有较高渗流压力的思想，并认为该渗流压力大小对射流破岩有重要影响，建立了该渗流压力的计算模型。

The numerical results of water jet breaking rock agree with the experimental conclusion. A valid approach to the process of water jet breaking rock sh...

数值计算的结果较真实地反映了水射流破岩过程中岩石的动态响应以及水射流动力学特性的演化过程，并与相关试验规律吻合良好，这表明该分析方法是有效的，可用来指导高压水射流破岩理论的进一步研究及应用。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。