查询词典 rock-solid

To several cavities,such as circular cavity、oval cavity and olivary cavity, anlyses surrounding rock stability,and expatiates major factors which impact tunnel surrounding rock stability and determinant gists by considering the chacteristics of large span and flat tunnel.

对几种常见洞室—圆形洞室、椭圆形洞室和卵形洞室开挖后的应力重分布进行了分析，并结合大跨扁平隧道的特点，阐述了影响隧道围岩稳定性主要因素与判定依据。

The application of smoothwall blasting in crushed surrounding rock of No.2 tunnel with crushed surrounding rock has obtained more satisfactory results through selecting rational blasting parameters,adopting right supporting method and controlling the overbreak or underbreak of the tunnel effectively,etc.

文摘：在周家山2号隧道破碎围岩施工中，应用光面爆破技术，通过选择合理的爆破参数，正确的支护施工方法，有效地控制隧道的超欠挖，加快掘进速度，取得了较理想的效果。

The factors responsible for the gas richness in offshore Bohai are represen ted as follows:The thicker deposition sediments,it made the main source rock-Eoc ene Shahejie Formation reach overmature to generate gas;there is huge thickness of Oligocene source rock-Dongying Formation;there are strong Tertiary tectonic m ovements and high heat-flow in the offshore.

海域天然气比陆上富集的主要因素表现在：沉积厚度大，使得盆地内主要烃源岩始新世沙河街组达到高成熟生气阶段；存在巨厚的渐新世东营组烃源岩；具有较强的晚期构造运动和较高的热流值，在浅层也有天然气聚集的领域。

The basic principles of organic petrographical, organic geochemistry, sedimentology, sequence stratigraphy and the technology of micro-area and spectra analysis have been applied in the paper to study the Jurassic hydrocarbon source rock of the northern edge of Chaidamu basin. The paper reveals the features of the coal petrological, chemical composition and hydrocarbon generating mechanism of the coal bearing source rock in the studied area. It also gives the hydrocarbon generation models of different kerogen types of the area. The technology of 〓CNMR and TOFSIMS are used together to evaluate kerogen's capacity of hydrocarbon generation.

论文运用有机岩石学、有机地球化学、沉积学以及层序地层学的基本原理，综合采用多种微区及谱学分析测试技术对柴达木盆地北缘侏罗系煤系烃源岩进行了系统而深入的研究，揭示了研究区煤系烃源岩的有机组分、组成、地球化学属性以及生烃性质，建立了研究区不同类型干酪根的成烃演化模式并把〓CNMR与TOF-SIMS技术结合起来，应用于干酪根的生烃性质评价。

Finally, the GPSE strength criterion for rock is verified by polyaxial test data of brittle rocks. The strength criterion for rock can be widely used to brittle rocks and allows for a good description of the several effects of stresses mentioned above, nonlinear characteristics of strength and marked difference for tensile strength and compression strength.

最后，通过对不同种类岩石多轴试验结果的验证分析，表明该准则能够较为合理地描述上述4种效应，而且能够反映非线性强度特征和拉压强度的显著区别，可广泛地适用于各种性岩石。

Kamafugite is an ultra potassic volcanic rock occurred in oceanic and/or continental settings, especially in continental rift. Kamafugite is also an igneous rock outcropped very rarely in the world.

钾霞橄黄长岩是一种产于大洋和/或大陆环境，尤以大陆裂谷最为多见的超钾质火山岩，也是世界上出露最少的火成岩之一，目前世界只有少数几个国家和地区有这类岩石的报道。

The Shi zi mountain rock tunnel which connecting the Punan expressway and the Nanping city in Fujian province were taken as engineering background. Associating plentiful of field test data of vibration velocity with the finite element numerical simulation which based on MIDAS/GTS software, the blasting vibration behavior of the precedence tunnel in the Shi zi mountain rock tunnel was studied. For further, the effects that lining support systems with variation parameters, such as the length, the distance and the length of rockbolts, the spacing of steel braces, the thickness and reinforcement quantity of the secondary lining,,on the blasting vibration behavior of the precedence tunnel were systemlly discussed.

论文以福建浦南高速与南平城区连接线狮子山隧道为工程依托，通过大量的现场振速测试和基于MIDAS/GTS软件进行的三维动力有限元数值模拟，对狮子山隧道先行隧道的爆破振动特性进行了系统研究，并在此基础上进一步探讨了不同衬砌结构参数，如锚杆长度、钢格栅间距、二衬厚度和二衬配筋量等对先行隧道爆破振动特性的影响。

Oxidation of pyrite can significantly affect properties and the behavior of soil and rock in civil construction. Problems with pyritic rock and soil extend globally and across many disciplines.

本研究利用南岗工业区液化砂土，於室内制作35%、50%、90%三种相对密度的重模土壤试体，在三种不同有效围压下，分别进行排水与不排水静态三轴试验。

Metallization occurred in rock alteration, the alteration types are silication, seritization, pyritization and carbonation etc. Rock alteration is a good criteria for ore prospecting.

矿化垂直分带还表现在矿物组合、矿石结构构造、围岩蚀变、成矿温度、盐度、气液比、铅同位素比值等方面。

The first type is E s 1 and E f 3 member oil, which is derived from E f 2 member source rock of deep sag. The second type is E f 1 member oil which is derived from E f 1 member source rock of deep sag. Integrated with the analysis of pyrrolic nitrogen compounds and its parameters, Beihanzhuang E f 3,/E f 1 and E s 1 member oil migrated from deep sag to Beihanzhuang structure belt apparently.

研究结果表明，北汉庄油田的原油可以划分为2类：第一类原油分布于垛一段与阜三段，主要来源于深凹带阜二段烃源岩；第二类原油分布在阜一段，主要来源于深凹带阜一段烃源岩。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。