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亏损地幔的英文

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"亏损地幔"怎么读用"亏损地幔"造句

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  • depleted mantle

例句与用法

  • The early tertiary alkali basalts from yangyuan which contain abundant mantle xenoliths exhibit very homogeneous sr - nd isotopes with snd = 5 . 5 . their pb isotopes are similar to those of the depleted mantle ( dm ) and their trace element characteristics resemble those of oceanic island basalts ( oib )
    含幔源包体的阳原早第三纪碱性玄武岩具有均一的sr - nd同位素组成( nd 5 . 5 ) ,其pb同位素组成与亏损地幔( dm )相似。
  • The transitional group of diabases have intervenient sig , feg , tig , indicative of in - between melting degrees and melting depths . the highest nag in thes e rocks tend to suggest that na behaved as a moderately incompatible element during magma generation , thus preclude the possibility for residual jadeite to host na
    所有的观察事实反映徐州地区晚元古代辉绿岩来源于具有不同深度、不同富集程度的nd同位素亏损地幔,因此最好的解释模式就是它们为地幔柱冲击作用下岩石圈-软流圈-地幔柱相互作用的产物。
  • The geochemical data of the benzilan and pantiange volcanic rocks from the jinshajiang zone yielded characteristics similar to those of island - arc volcanic rocks : intensive enrichment in lile and different depletion in hfse , nb , ta , ti , p and zr , hf . their lower e nd ( t ) values ( - 4 . 03 - - 11 . 29 ) indicate that they are derived from an emu mantle source or a mixing source between dm and emu respectively , but which are affected violently by subduction materials
    同位素研究显示,它们具有较低的_ ( nd ) ( t )值( - 4 . 03 - 11 . 29 ) ,表明它们分别来源于富集地幔emii以及亏损地幔dm和emii两元混合的源区,两地的火山岩源区都受到了俯冲带物质的强烈影响。
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