troilite

troilite

1. The institute has provided 280 million tons of phosphorite resources, 41.13 million tons of troilite reserve, 0.5million tonsof barite reserve.

为国家探明磷矿计量2.8亿吨、硫铁矿石储量4113万吨、重晶石储量50万吨。

2. 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.

本文报道了安徽亳县LL4型球粒陨石的全岩、球粒、橄榄石、辉石和陨硫铁的铅同位素比值,以及上述部分样品的铀、钍、铅的含量.

英语宝典
考试词汇表