查询词典 iron ore

Among them, the resources-money, big reserves, high grade, with the value of the metal ore mining lead, zinc, antimony, mercury, copper, gold, manganese, iron, etc., non-metallic minerals are silica, marble, barite, limestone, gypsum and so on.

其中，资源清、储量大、品位高、有开采价值的金属矿有铅、锌、锑、汞、铜、金、锰、铁等，非金属矿有硅、大理石、重晶石、石灰石、石膏等。

The return fine rate of sintered ore is an important factor to influence production cost of before iron making process.

烧结矿返粉率是影响铁前区成本的重要因素之一。

The ore of arsenopyrite is very easy to float, but hard to inhibit, the experiment creatively forward to the "Select I" in the middling re-election, and then incorporated into the final railings discharge, re-election of concentrate back to roughing of the closed-circuit process. Succeeded in separation the iron of marmites and arsenopyrite the concentrate grade obtained Zn 41.56%, recovery rate is 93.08%, comprehensive collect silver, gallium, indium and other rare metals.

毒砂可浮性很好，易浮难抑，本试验创造性地提出了精选I的中矿再选、再选尾矿并入最终尾矿排放、再选精矿返回粗选的新闭路流程，成功地实现了铁闪锌矿与毒砂的有效分离，获得了锌精矿品位41.56％、回收率93.08％的指标，同时综合回收了银、镓和铟等稀贵金属。

Based on the "surface mine long term planing model" the stepwise mining limit optimization model has been set up for inclined ore bed. The model has been used to simulate the stepwise mining of Qidashan Iron Mine.

运用该模型对齐大山露天铁矿进行了分期开采模拟计算，其模拟结果为齐大山铁矿分期境界设计提供了科学的依据。

To replace a overflow pipe made from cast iron with the service life of two months, the composite tapered pipe with one end diameter of 180mm and another of 220mm and height of 500mm has been applied in a ore dressing plant for almost one year, and it is still in service now.

某选矿厂使用白口铁溢流管（φ180mm—φ220mm×500mm），寿命为2个多月，改用内衬陶瓷的灰口铁溢流管，已使用了近1年，现仍在继续使用。

In raw material prices rising today, with the Bayan Obo ore Steel Group Baoshan Iron and Steel Group is undoubtedly the integration of high value.

在原材料价格不断上涨的今天白云鄂博矿钢铁集团宝钢集团，无疑是高价值的融合。

Owner Chen Hou-hua believes that the current economic crisis is already feeling the impact of a number of factories in southern Jiangsu closed or reduced production, and some construction sites slowed down the progress of the works, especially the iron and steel enterprises along the river, sea Jin Jiang ore decline in demand, the impact of the transport business.

船主陈厚华认为，目前已感到经济危机的影响，苏南的一些厂关门或减产了，一些建筑工地的工程进度放慢了，特别是沿江的钢铁企业，对海进江矿石的需求下降，影响了运输生意。

Analyzed the reason of high sulphur content in concentrated iron powder and studied the influence of milling fineness, PH value of pulp, used quantity of activator on rate of recovery of floatation adopting 307 ore sample as sample.

以307#矿样为试样，分析了铁精粉含硫高的原因，研究了磨矿细度、矿浆pH值、捕收剂及活化剂用量等对浮选回收率的影响。

Chromium ore samples were fused by alkali and then leached out by hydrochloric acid. After the analytical lines of the elements were selected, the conditions of sample uptake, carrier gas flow, cooling gas flow and RF power were optimized with the system of SeaSpray nebulizer and cyclone spray chamber, based on the principle of best signal stability. The determination of chromium, aluminum, iron, magnesium and silicon in chromium ores was fulfilled.

铬矿石样品经碱熔融和盐酸浸取后，选用SeaSpray雾化器和旋流雾室，选定了待测元素的分析线，以信号的稳定性为原则，优化了样品提升量、载气流量、冷却气流量和入射功率，实现了电感耦合等离子体原子发射光谱法对铬矿石中铬、铝、铁、镁和硅等主量成分的测定。

And the thin degree of mineral is very thin. If want to achieve the rich purpose to collect the iron through rub the tailing again to separate the silicon and irons from the ore, it is very difficulty and the cost is too expensive.

由于浮选后的精矿品位不高，尾矿产生量大，其铁品位在43%左右，且原矿磨矿细度已经很细，如果想通过尾矿再磨，分离矿石中的硅和铁，达到富集铁的目的，难度很大，且成本不合算。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了