A theoretical formula is proposed between the stress sensitivity index and the compressibility of rock.
文中建立了岩石应力敏感指数与压缩系数之间的理论关系式。
The research result shows that the rock block index has remarkable significance in engineering and advantages in rock mass quality assessment.
对比结果表明：岩体块度指数在岩石质量评价中能更准确地反映其优越性，具有更为显著的工程意义。
Exploration degree of Tarim Basin, however, is not high, so effective source rock distribution cannot be precisely defined only by geochemical index of the well sites.
而塔里木盆地勘探程度不高，仅凭井点的地化指标，是不能准确圈定有效烃源岩分布的。
Testing the index of rock mechanics strength is the base of rock mechanics research and project research.
岩石力学强度指标的测定是岩石力学与工程研究的基础。
The resistivity, formation factor, and resistivity index of rocks were calculated using the finite element method (FEM) and we studied the effect of rock wettability on electrical properties.
利用有限元方法计算了岩石电阻率，进而得到岩石地层因素和电阻率指数，并考查了岩石润湿性对岩石电阻率指数的影响。
According to geologic structural location, features of occurrence, rock fabric and geochemical index of basalt in Ruqi clough of Helan Mountain, it can be regarded as continental rift basalt.
根据贺兰山汝箕沟玄武岩的地质构造位置、产状特征、岩石组构和地球化学指标等，将其划归为大陆裂谷玄武岩系列，它代表了典型的陆内拉张环境。
The surrounding rock deformation of highway tunnel is an important index to assess its stability and economy effects of support structures in NATM.
隧道新奥法施工中，常以围岩变形量作为评判围岩稳定性和支护结构经济合理性的重要指标。
Gaseous hydrocarbon generation of gas source rock is a key index in evaluating gas source rock. It is also an important parameter of basin resource assessment.
气源岩的气态烃产率是评价气源岩生气潜力的重要指标，也是盆地资源评价中的重要参数。
The result shows that the index could be applied to reflect the degree of a fracture network inhomogeneity of rock mass.
研究表明，该指标可以充分反映岩体裂隙网络的不均匀程度。
The formulas for obtaining strength and strain parameters of rock mass are described using modified index RMR of rock mass quality.
用修定的RMR岩体量化指数从给定公式中确定岩体强度和应变参数。
The concept of oil source abundance index is presented by combining organic abundance of source rock with geological analysis, and applied in Southwest depression of Tarim basin.
根据烃源岩有机质丰度并结合地质分析方法，提出了油源丰度指数的概念并以此对塔里木盆地西南坳陷的烃源岩进行了评价。
The fragment-size distribution of rock blasting is an important index to evaluate the blasting quality quantitatively.
岩体的爆破块度分布是定量评价爆破质量的重要指标之一。
The surrounding rock deformation of highway tunnel is an important index to assess its stability and economy of support structure in NATM.
隧道新奥法施工中，常以围岩变形量作为评判围岩稳定性和支护结构经济合理性的重要指标。
And points out developing trends about structure type, sedimentary environment, component rock and genetic index.
指出在构造类型、沉积环境、组成岩石和成因标志等方面的发展趋势；
The existence of effective cap rock is the key index of performing play evaluation on Palaeozoic prospecting, then to consider that tensional fault destroyed the cap rock in limited region.
下古生界的勘探区带评价的关键性指标首先是存在有效盖层，然后考虑张性断层对局部封盖条件的破坏作用。
The EME index becomes an important parameter for the EME method to forecast the rock and coal burst tendency and danger. The research results lay a good foundation for rock and coal burst prevention.
因此，冲击倾向的电磁辐射指数是电磁辐射预测煤岩冲击倾向性及冲击危险程度的重要指标。
By the research of the clay mineral and climatic index of the sediment in the sedimentary rock and its temperature measured by oxygen isotope, we can get different climate information.
通过对沉积岩中沉积物的粘土矿物、气候指数、氧同位素测温等研究，获得关于气候干湿冷暖的信息。
A successive approximation solving procedure of interval model was put forward, and the non-probabilistic index expression and its analysis method of deep rock around roadway was formed.
提出了区间模型的逐步逼近求解程序，构建了深部坑道围岩稳定的非概率指标及其分析方法。
Then, through organic combination of rock mass block index and absolute weathering index in the general sector scope table, the quantitative method of GSI is constituted.
将岩体块度指数、绝对风化指数在地质强度指标的区间范围概化表上有机结合起来，构成了GSI的定量确定方法。
The thermal and physical response of heated rock mass was the principal index to the safety evaluation of the nuclear waste repository.
岩体在加热状态的物理力学响应是核废料贮存库安全运行评价的主要指标。
As result of backward equipment and wrong operation, the forecast results become unreliable when the index of drilling yields is used in forecasting coal or rock outburst.
用钻屑量指标预测煤与瓦斯突出时，由于采样装置落后和操作不规范等原因，导致预测结果可靠性降低。
Based upon microcal rock and reflectance of coal rock, the paper analyses the heatalteration of ripening index of organic matter. It has practical value for evaluating gas storageconidion of coal bed.
通过研究显微镜质组分、镜质组分反射率，分析了有机质成熟度的热演化趋势，对评价气源岩的储气条件具有实用价值。
Using the changing of micro-void of a typical rock-forming mineral, the plagioclase solution degree is proposed as a new index to evaluate the weathering degree.
本文提出了以标志性造岩矿物斜长石的显微孔隙变化为特征的风化度评价新指标——斜长石溶蚀度。
The more compressible the rock is, the higher the stress sensitivity index will be.
岩石的压缩性强，岩石的应力敏感程度就高。
Also, the crack extension time decreases with the increase of material creep index and the loading of overlying strata rock while it increases with the increase of tensile strength of roof rock.
断裂孕育时间随材料的蠕变指数、上覆岩层压力的增大而减小；裂隙扩展时间也随材料的蠕变指数、上覆岩层压力的增大而减小，但随岩石的抗拉强度增大而增加。
Because of the complexity of construction methods and support system of subsea tunnels, it is difficult to judge the surrounding rock and support safety only by using one stability index.
由于海底隧道隧道施工方法和支护体系的复杂性，仅采用某一个稳定性指标对围岩及支护结构的安全性进行正确判定具有一定的困难。
Then, quantitative description of rock structure is achieved by introducing rock-mass block index based on drilled rock samples of different complete lengths.
引入基于钻孔岩芯不同完整长度的岩体块度指数，以定量地表征岩体结构。
These methods used to get quantitative rock mass block index are potential reference for the establishment of other criteria.
所利用的研究方法，对岩体结构其他指标的确定具有借鉴意义。
Statistic of the physics and mechanics index of soil and rock is a tedious and important work. Statistic by handiwork is easy to make mistake and is difficult to be checked.
岩土物理力学参数统计计算是一项繁琐而又重要的工作，手工统计易出错，且难于校核。
Statistic of the physics and mechanics index of soil and rock is a tedious and important work. Statistic by handiwork is easy to make mistake and is difficult to be checked.
岩土物理力学参数统计计算是一项繁琐而又重要的工作，手工统计易出错，且难于校核。
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