而各种金属矿石则纯粹是原料。
铜锌硫多金属矿石分离历来是选矿界的难题。
Separation of Cu, Zn and sulphur has been a difficult problem for a long time.
附近的熔岩蕴含大量的金属矿石，火山口背阴的一边常年结冰。
There are metal ores in the rocks nearby and ice in the shadows of the crater below.
前言：铜锌硫多金属矿石分离一直是选矿界的难题。
Separation of copper, zinc and sulphur complex ore has been a difficult problem in the mineral processing field.
印加的印第安人用它把金属矿石从山中的矿里载运出来。
The Inca Indians used it to carry metal ores from mines in the mountains.
辉铋矿与闪锌矿、磁铁矿共生的多金属矿石较少见，具有一定的典型性。
Polymetal ore containing bismuth glance, sphalerite and magnetite is rarely seen and typical.
煤炭、金属矿石和地球上所能找到的其他有用物质，同土地相比更为有限。
Coal, metallic ores, and other useful substances found in the earth, are still more limited than land.
指导研究和设计，开发和解释集中，提取，提炼和处理金属矿石的过程和机械。
Conduct studies and design, develop and specify the processes, and machinery to concentrate, extract, refine and process metals from ores.
某铜铅锌多金属矿石其矿石性质较为复杂，原矿品位差距较大，且含有碳质脉石。
The properties of zinc, lead and copper bearing polymetallic are complicated. The difference of the ore's purity is large. And there are carbon gangues in the ores.
YA圆振动筛适用于煤、石灰石、碎石、砂砾、金属或非金属矿石及其他物料的筛分。
YA circular vibrating screen is suitable for the coal, limestone, gravel, sand, metal or nonmetal ore and other material screening.
铱锇矿一种矿石，是少量铂、铑及其他金属矿石的铱锇的自然合金，用于制造针头和耐磨尖端。
A mineral that is a natural alloy of osmium and iridium with small inclusions of platinum, rhodium, and other metals, used in needles and wearing points.
19世纪中叶出现了机械传动的带式溜槽和圆形溜槽，成为当时细粒有色金属矿石的主要选别设备。
The mid-19th century, experienced a mechanical transmission belt chute chute and round, becoming one of the major fine-grained non-ferrous metals ore sorting equipment.
本文研究中把黄铁矿具有良好硫化钠诱导可浮性的特性应用于湖南某多金属矿石中钼、铋、铁硫化矿的浮选分离。
The good Na_2S-induced flotation behavior of pyrite was applied into the flotation separation of a sulphide ore containing Mo, Bi and Fe.
矿石中主要金属矿物为黄铁矿，约占3%。
黄铁矿、闪锌矿及方铅矿为矿石中的主要金属矿物。
Major metal minerals in ore are pyrite, sphalerite and galena.
矿石为典型少硫化物型，金属矿物含量极少(1% - 2%)，主要有黄铁矿、黄铜矿、褐铁矿和自然金、银金矿等。
The typical characteristic of the ore is low sulfide. The metallic mineral has very few content (1%-2%), the mineral of ore is mainly of pyrite, chalcopyrite, limonite, aurum and electrum etc.
内蒙某铜钼矿石中金属矿物以为黄铁矿为主，其次为黄铜矿和辉钼矿等。
The metal minerals of Inner Mongolia Copper and Molybdenum ore mainly exist in pyrite, next in chalcopyrite and molybdenite.
与闪锌矿一起构成矿石的主要金属矿物。
The ore bearing wall rocks are composed mainly of siliceous phosphorites.
矿石中主要金属矿物为黄铜矿、其次为黝铜矿、兰辉铜矿、斑铜矿及铜的氧化物孔雀石、蓝铜矿。闪锌矿、方铅矿少量，偶见淡红银矿、硫酸钮矿。
The main metals mineral are chalcopyrite , the next clinohedrite , alpha chalcocite bornite , malachite and azurite . a little amount blende , galena incidentally ryby silver , bismuth.
云南某锡多金属矿矿石中易浮硅质矿物含量高，造成生产上浮选锌的效果很差。
The ores from a Yunnan Tin-polymetallic mine contains high level of easy-floating silica minerals, resulting in poor zinc flotation effect in production.
结果表明：该矿石中主要可回收的金属矿物为辉钼矿，可综合回收的伴生金属矿物为辉铋矿和白钨矿；
The results show that molybdenite is the main recoverable metal mineral and bismuthinite and scheelite are the associated metal minerals recoverable.
吉家洼金矿床矿石属少硫化物型金矿石，矿物种类丰富，金属矿物含量约5 %，脉石矿物含量约95 %。
The ores of Jijiawa gold deposit are ores with low content of sulfide. The minerals are rich in the ores. The contents of mineral and rocky mineral are about 5% and 95% respectively.
取消原油、木材、纸浆、山羊绒、鳗鱼苗、稀土金属矿、磷矿石、天然石墨等附件三所列明货物的出口退税政策。
The policies on tax refund for export of crude oil, wood, paper pulp, fine goat hair, eels, rare earth minerals, phosphorus ores, natural graphite and other goods listed in Annex 3 shall be cancelled.
取消原油、木材、纸浆、山羊绒、鳗鱼苗、稀土金属矿、磷矿石、天然石墨等附件三所列明货物的出口退税政策。
The policies on tax refund for export of crude oil, wood, paper pulp, fine goat hair, eels, rare earth minerals, phosphorus ores, natural graphite and other goods listed in Annex 3 shall be cancelled.
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