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。
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。
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。
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。
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。
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。
We think-but we are not sure-that the moon has a center core which includes molten rock, as the earth does.
我们预料，但是我们不能确定，月球有一个由熔岩构成的地核，如同地球。
Is there a polyurethane polystyrene core material can not be compared, it is not burning rock wool.
是聚苯乙烯的还有聚氨酯无法对比的，它的芯材是不可以燃烧的岩棉。
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。
Observing the core with under microscope, the authors find the breccia as a kind of hydra-fracturing clastic rock forming the model of roklyfluidal dynamical.
岩芯及透射光显微镜观察发现，这是一种水力破裂体系中流体和岩石作用的产物—水压碎屑岩。
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。
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。
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。
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 Youth Culture and Rock music as its core will be explored in the third part.
青年文化以及其核心摇滚乐是第三部分的主要研究对象。
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 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 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。
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。
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。
In-depth study, we research on how to use logging data such as sound waves, density, natural gamma to obtain rock parameters, and study how to use indoor core test to amendment it.
深入研究了如何利用声波、密度、自然伽马等测井资料确定岩石力学参数的方法，并研究了如何利用室内岩心试验对测井资料进行简单的修正。
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。
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。
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 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。
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。
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