查询词典 rare earth

Rare samples of mother rock 'kimberlite', from Siberia, South Africa and Australia, displayed as an introduction to the geological section of the museum,- how diamonds originate from a volcanic magma, formed in the earth's mantle, 100 - 200 km below the earth's surface, and are transported through volcanic pipes to the earth's surface.

陈列了来自西伯利亚、南非和澳大利亚的罕见的金伯利岩样本。通过对它们的地质解理面的介绍，来说明钻石在火山岩浆中的形成过程，即钻石是在100~200公里的地幔中形成，随着火山爆发被喷射到地球表面。一个显示全世界钻石产量的模型（0.4立方米大小）是博物馆的精粹，就这0.4立方米的钻石，养活着全球200多万钻石业人。

There are the highest content of ferrimagnesium and rare earth elements in leaf of plant on basaltic rock type, the highest content of trace elements in leaf of plant on red soil of granite type, and the highest of Ca in leaf of plant on red soil of limestone type.

玄武岩型红土上覆植物叶中的铁镁和稀土元素含量最高，花岗岩型红土上覆植叶中痕量元素含量高，灰岩型红土上覆植叶中钙含量最高。

Making Y-Al alloy by electrolysing rare earth oxides in fluoride fused salt system is a newresearch topic.

在氟化物熔盐体系中，电解稀土氧化物获得稀土合金是一个新颖的研究课题。

To determine the evolution of PH 3 gas from the rare earth silicide alloy, the qualitative and quantitative analyses of PH 3 were done by water reaction experiment.

通过水化实验，对稀土硅化物合金中逸出的PH3 气体进行了定性与定量分析。

Visit us for free shipping on a selection of rare earth magnets , magnetic sweepers , and telescopic magnetic pickup tools .

访问我们的免费送货的选择稀土磁铁，磁性扫墓，并伸缩磁性皮卡工具。

The research progress of the scintillators of new generation-the rare-earth scintillation crystals is reviewed.

本文综述新一代闪烁体—稀土闪烁晶体的进展，介绍其优异的性能以及在测井工作中的应用前景。

The structure and properties of soluble polyacetylene obtained with rare-earth catalyst are thoroughly investigated by UV, IR, Raman spectroscopes, ESR and X-ray diffraction.

本文利用UV、IR、Ramaan、ESR和X射线衍射等方法研究了可溶性聚乙炔的某些结构特征。

The present work was carried out to investigate the effects of rare earth ascorbateon gastric juice secretion in Angora rabbit s.

本文报导了抗坏血酸稀土对安哥拉兔胃液分泌的影响。

Fe isotope compositions, major and rare earth elements of Archaean banded iron formations from Anshan-Benxi area, Liaoning Province have been studied.

通过Fe同位素、稀土元素与主量元素相结合的方法，对辽宁省鞍山－本溪地区新太古代条带状铁建造的成矿物质来源提出了有效制约。

The effect of rare earth on impact fatigue property of cast semi steel was studied.

研究了稀土元素对半钢冲击疲劳性能的影响。

I think he's learned how to approach hitters....

Johhny Damon说，『他已是最好的了，再没有人能够比他做的更好，我想他的球技已经完全成熟了，而且他也已经学会了如何去对付和压迫各种打击者。。。。。。

In effect, an 18 foot King Cobra could actually look down onto the average human being.

际上，一个18尺眼镜蛇王其实可以俯视到的平均人。