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The petrography and petrochemistry of the diorite and the porphyraceous granite have the features of I type granite, and those of the two mica...

闪长岩、似斑状花岗岩的岩相学和岩石化学具有I型花岗岩的特征,而二云母花岗岩充分表现了S型花岗岩的岩相学和岩石化学特征。

To study the different permeability characteristics of rock, transient permeability tests of limestone and diorite were carried out. The permeability evolution and the relation between pore pressure and time of rock specimens during the complete stress-strain course were investigated. The strain-permeability equations of rock specimens during the deformation and failure course were set up. Finally, the penetration mechanism of two types of rocks was analyzed.

为研究岩石不同渗透特性,对石灰岩和闪长岩进行了瞬态渗透实验,研究了岩样全应力-应变过程中的渗透率演化规律以及孔隙压差与时间的关系,并建立了岩样变形破坏过程的应变-渗透率方程,最后分析了这两种不同类型岩石渗透机理。

According to the theories of dynamics of explosive and rock fracture mechanics, initiation mechanism of kerf, and initiation of crack in its tip and its expansion of orientation fracture blasing with slit-charge in rock were studied, then the blasting, parameters were designed and tested by model test in laboratory.

以爆炸力学、岩石断裂力学理论为原理,对切缝药包在岩石定向断裂爆破中的切缝产生及裂纹起裂和扩展进行了一定的研究,同时对该法的爆破参数进行了设计,并在实验室进行模型试验验证其正确性。

This light red colored rock is called granite which is derived from the crystallization of molten magma.

你脚下的岩石,这种浅红色的岩石叫做花岗岩,它是由熔融的岩浆冷却结晶而形成。

By use of the concept of domain of microcrack growth the damaged status of micocrack in rock can be described accurately and the problem about damage development of rock under any complicated loading pathes can be solved.

采用微裂纹扩展域的概念,准确地描述了岩石中微裂纹的损伤状态,解决了任意复杂加载路径下的岩石损伤演化问题。

The gold-bearing metamorphic fluid migrates from migmatite zone and granite to upper mylonite zone and lower mylonite zone in the slip system.

本文重点强调:具有从上部主糜棱岩带—混合岩带—花岗岩带—混合岩带—下部主糜棱岩带的岩石垂向分带性的滑动系统是深层次推覆过程中断裂动热变质、超变质作用,以致长英质岩石部分熔融的产物。

Engineering disaster of swelling rock is a subject of extreme complication and momentously economic implications. How to construct projects and sustain its stability economically and effectively in such rock is always a problem puzzling many experts in rock mechanics and engineering geology.

膨胀岩的工程灾害是个极为复杂且具有重大经济意义的课题,如何才能做到经济有效地在这类岩石中建设工程并维持其稳定性,一直是困扰着广大岩石力学和工程地质工作者的一个难题。

On the basis of an analogy and analysis of the metallogenic geologic conditions,geochemistry and microelement between domestic typical medical stone and that of Jiangxi Province,the author have pointed out the prospecting direction for medical stones in Jiangxi Province.

通过对国内典型麦饭石矿与江西省麦饭石矿的成矿地质条件、岩石化学及岩石微量元素等特征的类比和分析,提出了江西省麦饭石矿的找矿方向。

On the basis of an analogy and analysis of the metallogenic geologic conditions,geochemistry and microelement between domestic typical medical stone and that of Jiangxi Province,the author have pointed out the prospecting direction for medical stone s in Jiangxi Province.

通过对国内典型麦饭石矿与江西省麦饭石矿的成矿地质条件、岩石化学及岩石微量元素等特征的类比和分析,提出了江西省麦饭石矿的找矿方向。

A rocky outcropping examined by the rover had ripple patterns and concentrations of salt — considered signs that the rock formed in standing water.

被火星车探测的一块露出地表的岩石有着涟波图案和浓缩盐——这被认为是岩石是在死水中形成的迹象。

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

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