查询词典 mantle

According to authors' understanding on the density contrast of the lunar crustal and mantle materials, depths of typical mascons were estimated using various approaches. The estimations indicate that the mascon in Mare Orientale may caused by a lunar mantle plum, a basaltic lava with high density.Key words lunar gravity; mare; Mascon; clementine; lunar prospector

从宏观角度看，月球布格重力异常与月球地形起伏是相关的，统计结果表明它们呈弱负相关，从均衡角度来说，在月球停止大规模内部物质运动之前，月球壳幔可能已基本达到均衡；从Mascon深度估算结果来看，一些大型的Mascon基本属于玄武岩浆&充填&型的，少数Mascon可能与月幔柱有关，如东方海Mascon。

Although the mode of carbon storage in the mantle is largely unknown, observations of microbubbles on dislocations in minerals from mantle xenoliths has led to the suggestion that carbon may be soluble in silicates at high pressure.

地球地幔中储存的碳的数量要比大气层和生物圈中碳的总量大几个数量级，所以，碳在地幔中的储存模式是全球碳预算中的一个重要问题。

The gold content of mantle rocks, especially the gold content of mantle-derived xenoliths may be an indicator to the distribution of gold deposits-concentrated districts.

地幔岩特别是地幔岩包体中金含量的高低，对地壳中金矿床和金矿集中区的分布有指示意义。

Some geologists,however,on the basis of observations concerning mantle xenoliths, argue that the mantle is not layered,but that heterogeneity is created by fluids rich in pathways.

但是，某些地质学家，以对地幔捕虏岩体所作的观察为依据，指出地幔并非是分层排列的，相反，地幔的异质性是由那些富含不相容成分的流质构成的，这些成分趋向于流体而非固体的状态，自下而上渗透扩散，并依照这些流质流向的任意性，不规则地将上部地幔的某些部分予以改变。

The ~3He/~4He ratios of xenoliths and xenocrysts from most area weresimilar to those of MORB, implicating that these mantle xenoliths and xenocrysts were fromdepleted MORB mantle source.

大部分地区幔源包体和高压巨晶的~3He／~4He比值与MORB值相似，暗示这些幔源包体和高压巨晶可能主要来自MORB型亏损地幔源区。

The result showed that tectonic movement history was a key factor in the deep weathering mantle formation. Tectonic movement influenced driving force and potential energy of Benggangs, and eroded history of each cracking block, which determined the depth of weathering mantle.

结果表明：构造活动历史是崩岗区形成深厚风化壳的主导因素；构造活动影响崩岗侵蚀动力势能以及各断块遭受侵蚀的历史；侵蚀动力势能和侵蚀历史确定了崩岗发育之前风化壳的厚度。

Rocks from the Earth"s mantle seldom see the sunlight. It"s only in places where tectonic plates have collided, like California, that mantle rock―loaded with magnesium, iron, nickel, chromium, cobalt, but low in calcium―has been squeezed to the surface.

来自地幔的岩石难见天日，只有在那些构造板块相互冲撞挤压的地方，就如加利福尼亚，地幔的岩石――富含镁、铁、镍、铬、钴，却含钙极少――被挤压到地面上来。

5In the mantle—the thick shell of rock that lies between Earth's crust and its metallic core.Althougmath the hot rock of the mantle is a solid, under the tre-mendous pressure of the crust and

在gmat阅读理解中，假如一道题目的正确答案是a而我们错误的选择了 b，我们总会听到这样一种声音给我们讲题：你在看看原文，其实b和原文不对应，你在看看原文那个地方其实a就和原文对应，只是因为你没读懂。。。

Isotope geochemistry of noble gases Expounded the relations of 3 He4He ratio and the classif ication of tecto nic regions in China, the composite storage of mantle helium, the controversy of mantle methane and the gas-source rock correlation.

稀有气体同位素地球化学阐述了3He4He值与中国构造分区，幔源氦的复合成藏和幔源甲烷问题以及气源对比等3。

These data indicate that Group B zircon grains are captured ones. It is inferred that the Baiceng basic-ultrabasic pluton originated from a mixed melting between an enriched lithospheric mantle and the continental crust rock formed in 409～450 Ma, responding to an extension of lithosphere at 84 Ma or so. This induced the upwelling of asthenospheric mantle.

据此认为84 Ma左右由于华南岩石圈伸展，软流圈地幔上涌，导致岩石圈富集地幔部分熔融，熔体上升过程中与409～450 Ma左右形成的少量地壳岩石发生混染，随后快速侵位冷凝而形成基性_超基性岩墙。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。