结果表明，不同初值得到不同的表面重元素丰度分布。
The results show that different initial value give inconsistent surface abundance of heavy element.
该蛇绿岩有高的稀土和微量元素丰度，表明其来源于富集地幔。
This ophiolite has higher REE and trace element abundances, suggesting it was derived from the enriched mantle.
岩石学矿物学上类似的岩石，其放射性元素丰度却往往有所不同。
Petrographically and mineralogically similar rocks quite often have different concentrations of radioactive elements.
本文讨论了微量元素丰度研究在国内外的现状、存在问题及解决途径。
This paper presents the state of the art concerning the study of trace element abundances in igneous rocks, the existing problems and methodology.
矿床具有深源、与岩体同时、同空间以及岩体的成矿元素丰度高等特点。
The deposits are characterized by deep sources, synchronism, the same space and high content of ore_forming elements in rock bodies.
在地壳模型和岩石化学资料基础上，计算和研究了新疆地壳的平均化学成分和主要元素丰度。
With the crustal model and the petrochemical data, the average chemical composition and the abundance of major elements in Xinjiang crust are calculated and explored.
在地壳模型和岩石化学资料基础上，计算和研究了新疆地壳的平均化学成分和主要元素丰度。
With the crustal model and the petrochemical data, the average chemical composition and the abundance of major elements in Xinjiang crust are calculated and...
另外，湍流应力还使对流的混合作用加强，从而导致恒星内部及表面的各元素丰度都发生改变。
Moreover, the turbulent stress also causes the convection the mixing action to strengthen, so elements abundance of the stellar interior and surface are all changed.
他说，在寻找不寻常的相关元素丰度之前，你先要充分掌握地球化学，去了解分子的入门是什么。
"You would have to establish the geochemistry well enough to know what the 'alphabet' of molecules was" before hunting for unusual relative abundances, he says.
因此，要确定所记录的元素丰度是否代表无生命的底线情况或是生命的存在，将会是个棘手问题。
So determining whether the recorded abundances represent abiotic baseline conditions or the presence of life might prove tricky.
后者以二辉石岩为代表，具典型堆积结构，与本区尖晶石二辉橄榄岩相比，具有较高的稀土元素丰度。
The latter is representive of pyroxenite, which displays the accumulate texture and has higher REE abundance than the Sp-lherzolite from the region.
利用分量系数公式并结合太阳系元素丰度的最新数据，计算了6 4颗贫金属星的中子俘获元素丰度。
By means of the component coefficient equation and the updated data of abundances of the solar system, we calculate the element abundances of 64 poor-metal stars.
恒星元素丰度是探讨银河系化学演化的重要探针，分析不同星族成分的元素丰度是研究银河系结构和化学演化的重要课题。
Analysis about the abundance in different stellar populations is a very important subject in study of the structure and chemical evolution of the Galaxy.
贫金属星的中子俘获元素丰度与恒星的形成和演化密切相关，它为研究星系形成早期的历史背景和化学演化提供了重要信息。
The abundances of neutron-capture elements in metal-poor stars, tightly related to the star formation and evolution, provide important clues to the chemical evolution of the Galaxy.
生命若在太阳系其他地方引起相当的影响，那些对它们具有生死关键的相对化学元素丰度，无论是什么，很可能暴露它们的存在。
If life has had a comparable impact elsewhere in the solar system, the relative abundances of chemicals key for its survival -whatever they may be -could betray its presence.
并从矿石物质成分、典型矿物组合、同位素组成、稀土元素丰度型式，以及矿化分布和相关分析等方面、探讨了成岩成矿的物质来源及成因问题。
An approach has been made to the ore genesis from the ore composition, the typical mineral assemblage, the mineral geological thermometer, the K-Ar isotopic age, the sulfur iso - topic dat...
并从矿石物质成分、典型矿物组合、同位素组成、稀土元素丰度型式，以及矿化分布和相关分析等方面、探讨了成岩成矿的物质来源及成因问题。
An approach has been made to the ore genesis from the ore composition, the typical mineral assemblage, the mineral geological thermometer, the K-Ar isotopic age, the sulfur iso - top...
并从矿石物质成分、典型矿物组合、同位素组成、稀土元素丰度型式，以及矿化分布和相关分析等方面、探讨了成岩成矿的物质来源及成因问题。
An approach has been made to the ore genesis from the ore composition, the typical mineral assemblage, the mineral geological thermometer, the K-Ar isotopic age, the sulfur is...
为了比较陨石和太阳的成分，我们需要利用元素的比率，而不单单是原子的丰度。
To compare the compositions of a meteorite and the Sun, it is necessary that we use ratios of elements rather than simply the abundances of atoms.
你越往星系中心走，大质量恒星形成的难度就上升得越快，重元素的丰度也随之下降。
The rate at which massive stars form drops sharply as you venture outward from the Milky Way’s center, and the abundance of heavy elements falls with them.
金属丰度是对恒星内除氢和氦之外元素的相对丰度的度量(天文学中比氦重的元素都叫金属。——译者注)。
Metallicity is a measure of the relative abundance in a star of elements other than hydrogen and helium.
物理标准模式理论中有一项极为重要的试验，该试验检测的是宇宙空间中3中质量最轻元素的确切丰度，即需要列出到目前所发现的基本粒子与将它们融合起来的各种作用力。
The exact abundances of the three lightest elements are an important test of the so-called Standard Model of physics-the list of fundamental particles found so far and the forces that link them.
银河中心的恒星都比较古老，富集金属元素，重元素的丰度很高。
"Stars in the center of the Milky Way are old and 'metal-rich' with a high abundance of heavy elements," Bobrowsky said.
利用指数辐照理论的解析解研究了AGB星S过程元素的丰度分布规律。
Using the solution of S process chain with an exponential neutron irradiation the S process abundance distribution of AGB stars of different metallicities is investigated.
此仪器可用于气体分析以及轻元素的同位素丰度测定。
This instrument can be used for gas analysis and determine of isotopic abundance of light elements.
有理由把它们用相应元素的地平丰度来表示。
There is an argument to express them in ground level abundance of the respective elements.
有理由把它们用相应元素的地平丰度来表示。
There is an argument to express them in ground level abundance of the respective elements.
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