用吸附了铬离子的针铁矿进行的二次吸附实验（条件同前）去除率达到80％左右，表明该针铁矿可以重复利用。
Re-adsorption under the conditions ibidem got the removal ratio 80% indicated that the material can be utilized for several times.
黑色金属矿产探明储量的有铁、锰、钒、钛等，其中铁矿保有储量为459亿吨，主要分布在东北、华北和西南地区，辽宁的鞍山-本溪一带、河北的冀东一带、四川的攀枝花一带，都是大型的铁矿区。
Proven reserves of ferrous metals include iron, manganese, vanadium and titanium. China's 45.9 billion tons of iron ore are mainly distributed in northeast, north and southwest China.
每年世界上最大的钢铁制造商和最大的铁矿石供应商总会为铁矿石价格定一个基准。
EACH year the world's big steelmakers and the big suppliers of iron ore get together to fix a benchmark price for the commodity.
该公司启用了全新的铁矿石季度定价制度，与先前签订的逐年定价合同相比，新制度能够使该公司从飙升的铁矿石价格获取更大的利益。
The company moved to a new system of pricing iron ore quarterly, allowing it to benefit more quickly from price surges compared with previous contracts that were signed on an annual basis.
2006年2月份的巴切里铁矿袭击充分展示了这种策略的有效性。铁矿距离古米亚·帕尔村10公里外。
The effectiveness of this strategy was demonstrated most spectacularly in the February 2006 attack on an iron-ore mine in Bacheli, 10 km from Gumiyapal.
矿业公司正在艰难地提高全球最大铁矿石出口国澳大利亚的产出，而中国国内开采的铁矿石质量未能改善。
Mining companies are struggling to increase iron ore output in Australia, the world's biggest exporter, while the quality of Chinese domestic iron ore production fails to improve.
最近几个月，这种压力已导致大量铁矿石资产被钢企收购，并在今年促成了新的铁矿石定价机制。
In recent months, this has led to a number of iron ore mine acquisitions by steel companies, as well as a new pricing system for iron ore this year.
当这些表面和磁铁矿一接触，氧原子就能从石英砂转移到磁铁矿，形成了一种新的矿物，赤铁矿。
When these surfaces came into contact with the magnetite, an oxygen atom could be transferred from quartz to magnetite, forming a new mineral, hematite.
费雷拉告诉记者，铁矿价格和更具价值的球团铁矿价格很可能在第三季度维持稳定。
Ferreira told reporters that iron ore prices and prices for Vale's higher value iron ore pellets will likely remain stable in the third quarter.
铁矿石价格下跌0.85%——尽管铜价和铁矿石价格仍接近历史最高位。
Iron ore fell by 0.85 per cent - although both copper and iron ore remain close to historic highs.
另一个根本原因是全球铁矿石现价和海运费的降低，导致很多国内出产低品质铁矿石的矿厂歇业。
Another underlying cause has been the drop in global spot prices and freight rates, which has driven many domestic miners of lower grade ore out of business.
从卡拉加斯大铁矿运输铁矿石到邻近的热带雨林帕拉州的铁路也因为暴雨暂时关闭。
The rains also prompted the temporary closure of a railway that takes iron ore from the sprawling Carajas mine in the neighbouring jungle state of Para.
必和必拓和力拓分别是全球第二、第三大铁矿石生产商，铁矿石是钢铁的关键成分。
BHP and Rio are the world's second and third-biggest producers of the metal that is steel's key ingredient.
中国的铁矿石进口量占铁矿石全球贸易量的80%。
Nearly 80% of the iron ore produced around the world is sold to China's steel mills.
由于铁矿石价格的上升，他成为乌克兰最年轻的亿万富豪。去年他的铁矿石生产商ferrexpo的股价翻了两番。
Ukraine's youngest billionaire benefiting from rising iron ore prices; stock in his iron ore producer Ferrexpo doubled over the past year.
另一家巴西公司Vale(淡水河谷)，通过开采国内丰富廉价的铁矿，成为世家主要的铁矿石供应商之一。
Another Brazilian firm, Vale, has exploited its home country's huge, cheap sources of iron ore to become one of the world's leading suppliers.
金达必和鞍钢在卡拉拉铁矿石项目上签有包销协议，鞍钢承购卡拉拉铁矿石项目100%的铁矿石产量，提供给旗下新建成第一期的年产能650万吨的鞍钢集团鲅鱼圈钢铁厂。
Gindalbie and Ansteel have an off-take agreement for Karara iron that has Ansteel taking 100% of the production of the mines to Ansteel's new 6.5 million tons per year Bayuquan steel mill.
全球五大钢铁制造商控制着约1/5的全球钢铁产品市场，而全球三大铁矿公司则控制着全球70%的铁矿供应。
The world’s top five steelmakers still command only around one-fifth of the global market, whereas the three leading ore firms control 70% of supplies.
以往，中国的铁矿进口商和钢铁生产商在进行铁矿价格谈判时都是各谈个的，结果导致投机性定价占了上风。
In the past Chinese iron ore importers and steel makers negotiated the iron ore price separately, which often resulted in speculation in pricing.
一种常见的氧化铁矿石，是针铁矿、赤铁矿和纤铁矿的混合物。
A widely occurring iron oxide ore; a mixture of goethite and hematite and lepidocrocite.
铁矿砂及其精矿，包括焙烧黄铁矿。
铁矿砂及其精矿，包括焙烧黄铁矿。
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