It is difficult to bore and sample the core of rock in soft medium, and it will influence the results of test due to the disturbing of soil and concrete sampling.
在介质软弱的情况下，钻孔取芯、取样很难实现；由于对混凝土芯样、土样产生扰动从而对检测结果产生影响。
But a new look at Titan's insides reveals even more oddities: Beneath the brittle crust of ice lies a layer of slush. Deeper still is an underground ocean over a solid core of rock and ice.
但最近对泰坦内部的一项新研究却揭开了这颗奇异星球更为怪诞的一面：脆弱的甲烷冰地表之下，覆盖着一层冰泥，更深处依然是一个地下海洋，最中间是冰和岩石并存的固态核心。
The explanation may be in Earth's mantle, the layer of rock underlying the tectonic plates and extending down over 1,800 miles to the outer edge of Earth's iron core.
解释可能是在地球的地幔中，这是在构造板块下面的岩石层，向下延伸超过1800英里到地球铁芯的外边缘。
A titanic impact could have stripped away a portion of its rocky mantle, leaving behind a metallic core whose density is out of proportion with the original ratio of rock to metal.
超大碰撞可能剥去了水星的一部分岩石地幔，留下了一个金属核心，其密度与原来的岩石与金属的比例相比大得不成比例。
Computer simulations of this impact show that both of the objects would melt in the impact and the dense core of the impactor would fall as molten rock into the liquefied iron core of Earth.
对这次撞击的计算机模拟显示，这两个物体都会在撞击中熔化，而撞击者稠密的核心会以熔融岩石的形式落入地球的液化铁芯中。
Plate movements are the surface expressions of motions in the mantle—the thick shell of rock that lies between Earth's crust and its metallic core.
板块运动是地幔运动的表面现象。地幔是位于地壳和金属内核之间的一层厚厚的岩石壳。
Devils Tower is a relic of the past, when the molten rock of the earth's core forced its way to the surface to form the throat of a volcano.
魔鬼塔是过去的遗迹，当时地核的熔岩涌向地表，形成了火山的咽喉。
Because of its proximity to Earth's core, the rock at the base of the mantle is much hotter than rock in the upper mantle.
由于靠近地核，地幔底部的岩石比上地幔岩石的温度高得多。
Messenger's analysis of the surface rock, and of the gravity profile of the core, could help explain.
信使号对岩石层以及核心万有引力的描述和分析或许可以帮助解释。
He sits on a chair in a windowless laboratory and cradles a large rock, or core, of jet-black flint in his left hand.
桑德加特坐在一间无窗户的实验室里的一张椅子上，他的左手握着一块墨黑的大燧石。
This allows the bit to drill around a central cylinder of rock, which is taken in through the bit and into the core barrel.
这样允许钻头围绕岩石的中心圆柱体钻进，并通过钻头进入取芯桶。
For example, any violation of the expected symmetry between hydrogen and antihydrogen would rock physics to its core.
例如，任何违反氢和反氢之间对称的期望会动摇物理学的核心。
And rock mechanical parameters are essential to the wellbore stability evaluation, so developing the model of rock mechanical parameters evaluation while drilling becomes core of the work.
岩石力学参数是随钻井眼稳定性评价的基础参数，所以，建立岩石力学参数随钻评价模型，成为此项工作的核心。
The formation and expanding of control fissure is the core of mechanism for perilous rock to develop.
主控结构面的形成和扩展是研究危岩发育机理的核心。
Automatic lifting of shearer drum is one of key techniques of coal face automation, and its core is identification technique of coal and rock interface.
滚筒自动调高是实现采煤工作面自动化的关键技术之一，其核心是煤岩分界识别技术。
It is an important problem in oil and gas field exploration and development to determine the physical parameters of reservoir rocks, and core analysis is a basic way of obtaining reservoir rock data.
确定储油气层岩石的物性参数是油气田勘探与开发中的一个重要问题，而岩心分析是获得储层岩石资料的一种基本手段。
The core of the study on chained regularity of perilous rock is to confirm the avalanche time of each perilous rock suffering from different loads.
危岩链式规律的研究核心是确定各个受力不同的危岩体的崩落时间。
The volcanic rock types in the study area have been classified by means of core, thin slice, scanning electron microscopy and geochemical analysis.
综合岩心、薄片、扫描电镜、地球化学等多种分析测试手段，对研究区火山岩岩石类型进行了划分。
The minimum core size that can result in stable petrophysical parameters may be defined as the characteristic scale of rock continuity.
物性参数分析值不发生剧烈变化的最小岩心尺度，称作岩石的连续性特征尺度。
This article mostly introduces a method with which seven parameters of fractures and vugs can be calculated by imaging well logging through scanning rock core with imaging scanner.
本文主要介绍利用岩心成像扫描仪对岩心进行扫描，来标定成像测井计算的裂缝、孔洞七参数的方法。
Crane girders anchored to rock face is a new structure and has become core structure for construction and operation of underground powerhouse.
岩壁梁是一种新型结构，因而岩壁梁是地下厂房施工和运行的核心建筑物。
Different lip shape and matrix formula of coring bit apply to various coring work in complex rock. The core can provide reliable data to geological and engineering research.
取芯钻头不同的唇面形状、胎体配方可适应各种复杂岩层的取芯，所钻取的岩芯将为地质和工程研究提供可靠的数据。
Through compaction hardness and analog shear rock failure test to drilling core, the paper discusses the possibility of discriminating downhole rock type by using rock acoustic emission frequency.
通过对钻井取心岩样压入硬度及模拟剪切的破岩试验，探寻利用岩石的声发射频率来判别井下岩石类型的可能性。
The results show that the effect of water to rock mechanics characteristic has something to do with anhydrite's content and core extraction rate.
研究表明，水对岩石力学特性的影响主要与岩石的硬石膏含量和岩芯采取率有关。
Quantitative relationship between measured permeability of rock core and horizontal stress is studied by regressive analytical technique.
根据岩芯样品渗透率分析值和岩石水平应力，以回归分析技术研究了二者的定量关系。
The oldest rock layers form the core of the fold, and outward from the core progressively younger rocks occur.
最老的岩层形成了褶曲的核心。从核心向外，逐渐地产出数年轻的岩层。
The research of the example is based on the well data, including drilling , rock-core analysis, log, production and the parameters of reservoir obtained from the well data.
本实例以井的资料为基础，包括钻井、岩芯分析、测井和生产数据，以及由井资料所导出的储层物性参数等。
Moreover, investigated the relation among the P wave velocity, the micro-crack in rock with the variation of core diameter.
探讨了岩石的微观裂隙、超声波速度与岩芯变形之间的关系。
Diametral point load test is a very promising, simple and accurate method for obtaining compressive and tensile strength data of rock core.
用岩芯进行径向点荷试验，是简单而较精确地获得岩石抗拉、抗压强度的极有前途的方法。
The practice indicates that the asphalt concrete ADAPTS to the core wall of earth-rock dam in the cold region.
实践表明，浇筑式沥青混凝土适用于寒冷地区土石坝的防渗心墙。
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