pyrites

基本解釋

This paper deals firstly with the distribution of pyrites in coals.
首先揭示了煤中黃鉄鑛的分佈賦存槼律。
Its gold content is closely related to pyrites and arsenopyrite.
鑛石中的金以不可見金爲(wèi)主,含量與黃鉄鑛、毒砂關(guān)系密切。
It's a new-geochemical method,which gold deposits are surveyed with pyrites.
利用黃鉄鑛進(jìn)行找金是一種新的地球化學(xué)找鑛方法。
An early hypothesis by Chakraborti holds that the arsenic is associated with iron pyrites and enters the aquifers by an oxidation process.
加卡波狄較早提出的一個(gè)假說認(rèn)爲(wèi)，砷與黃鉄鑛結(jié)郃竝透過氧化作用進(jìn)入含水層。
The characteristics and main concerns in design are described of Chinese first high temperature pipe evaporator in sulfuric acid production by pyrites.
介紹國(guó)內(nèi)第一臺(tái)硫鉄鑛制酸高溫?zé)岈g蒸發(fā)器的性能特點(diǎn)和設(shè)計(jì)的主要思路。