troilite

常见例句

• The institute has provided 280 million tons of phosphorite resources, 41.13 million tons of troilite reserve, 0.5million tonsof barite reserve.
  爲國家探明磷鑛計量2.;8億噸、硫鉄鑛石儲量4113萬噸、重晶石儲量50萬噸。
• The isotopic compositions of lead were determined on the samples of whole rock, chondrule, olivine, pyroxene and troilite from Bo County chondrite (class LL4) of Anhui prov. , China.
  本文報道了安徽亳縣LL4型球粒隕石的全巖、球粒、橄欖石、煇石和隕硫鉄的鉛同位素比值;以及上述部分樣品的鈾、釷、鉛的含量.
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