An investigation was made of the flotability and process flowsheet of a certain fluorite ore.

对河南某萤石矿的矿石进行了可选性工艺。

They refined gold out of the ore.

他们从矿石中提炼出黄金。

They'd mined the hillside for the ores.

他们曾在这坡上开采矿石。

Jaspilite and altered phyllite are the main ore types.

主要矿石类型有含铁碧玉岩型和蚀变千枚岩型。

Kharif is a senior writer for BusinessWeek.com in Portland, Ore.

卡里夫是商业周刊高级撰稿人，住在俄勒冈州波特兰市。

It`s made from periclasite,magnesite aluminium spinel,chrome ore as raw material.

以方镁石、镁铝尖晶石、铬矿为主晶相的中性耐火制品。

Where there is silicify arsenopyrit and pyriteization sometimes forms make of ore.

硅化、毒砂黄铁矿化中发育的地方往往构成工业矿体。

The ore assays high in gold.

这矿石经分析证明含金量很高。

That's an area rich in ores.

那是一矿产丰富的地区。

The Quaternary thick eluvium and sliderock are dispersed over the Yangshan Au ore belt.

阳金矿区第四系残坡积物分布面积较广,厚度较大。

Experiment is done on the acid hydrolysis of titanium-columbite-tantalite ore difficult to decompose.

对难分解的钛钽铌矿的酸分解工艺进行了试。

Lightering rely on the port, the output of cocoa, timber, uranium ore, and other selected.

港口依靠驳运，输出可可、木材、精选铀矿等。

Beryllium element occurs in sericitization-kaolinization syenogranite as bertrandite single ore, and distributes in sericite as seperated type occurrence.

铍元素以羟硅铍石单矿物赋存于绢云母化高岭土化正长花岗岩中,其次呈分散状态分布于绢云母中。

As a especially effective collector for processing copper sulphide ore, methyl sulphonamide features good selectiveness and strong collection.

甲基硫氨酯作为硫化铜矿选矿的特别有效的捕收剂,具有选择性好、捕收力强的特性。

It is possible to premix the ore at the shipping point, thus saving time at the iron works.

矿石在装运地点预先混合可给钢铁 厂节省很多时间。

Primary violarite has comparatively big particle size,and it is considered the easiest flotation copper-niekle-sulphide ore.

紫硫镍铁矿原生粒度较大,被认为是最易浮选的硫化铜镍矿物。

Iron is abstracted from ore.

铁是从矿石中提炼出来的。

It was asserted that the ore is mainly composed of minerals of kurnakovite, inderite and pinnoite.

确定了该硼镁矿的主要矿物组成为库水硼镁石、多水硼镁石及柱硼镁石。

The major ore mineral in the Shijuli copper deposit is chalcopyrite, copperas stone and so on.

石居里铜矿床矿石中主要矿石矿物由黄铜矿及黄铁矿等组成。

The key to treatment of refractory ores is preoxidation and deleading absorption of carbon on gold.

这些方法的关键是预氧化和（或）去除碳质矿的“劫金性”。