查询词典 aluminium ore

The permeability of ore mass has a great influence on the leaching period of heap leaching and the leaching efficiency,hence the uranium ore s with high content of clay is difficult to acidic heap leaching.

矿堆的低渗透性能是局限矿石浸出周期及金属浸出率的最主要因素之一，因此，长期以来，高含泥量的铀矿石一直是酸法堆浸提铀技术的应用禁区。

In order to overcome disadvantages of conventional leaching technique such as high energy consumption and low productive benefit, and get better utilization of uranium resource, the study on uranium extraction from certain alkaline uranium ore with heap leaching process have been carried out according to the characteristics of the ore such as high content of carbonate and low grade of uranium.

为了克服常规工艺高能耗、低效益的缺点，充分利用铀矿资源，针对某碱性铀矿石碳酸盐含量高、铀品位低的特点，开展了堆浸法提取铀的研究。

In order to increase the permeability coefficient of the ore mass, achieve the: homogenous penetration for whole leap by improvement of the particle size and is distribution, the factors influencing on the heap leaching with agglomeration for the cracked granite uranium ore are investigated.

研究渗透性差的破碎花岗岩型铀矿石制粒堆浸过程的影响因素，通过改变矿石粒度及粒级分布，提高溶液通过堆浸矿石的渗透速率，有效地改善全矿堆渗透的均匀性。

Although much of the high-grade ore has been used, there remains enough low-grade ore to last for centuries

品位高的富铁矿已经开采很多，品位低的铁矿还够开采若干个世纪。

As society advances, the increasing consumption of raw materials, leading to the depletion of high-grade ore resources growing, increasingly depleted ore grade.

摘 要：随着社会的前进，原材料消耗不断增加，导致富矿资源日益枯竭，矿石品位日趋贫化。

The quality of these small mines are poorly managed and the economic benefits for the plan, and some in the ore-doped large number of non-ferrous metal debris, some with low-grade ore exports of high-grade pretending.

而这些小矿山质量管理落后，为图经济利益，有的在矿石中掺杂大量的非铁矿杂物，有的以低品位矿石冒充高品位出口。

Liangshan Autonomous Prefecture lies in the major high-grade Fe ore metallogenic province in Sichuan and is major productive basis of high-grade Fe ore s in Sichuan.

凉山州是四川省富铁矿最主要成矿区和富铁矿矿石的主要生产基地。

Mine has a long history of mining and metallurgy, high-quality high-grade iron ore known. 56 years, cumulative production of iron ore 2,500 tons, 7,000 tons of copper concentrate, gold 1100 kg, 1,800 kg of silver, is currently the municipal state-controlled large-scale industrial enterprises.

矿山有着悠久的矿冶历史，优质高品位铁矿石闻名全国。56年以来，累计为国家生产铁矿石2500余万吨、铜精矿7000吨、黄金1100㎏、白银1800㎏，现为市属国有控股大型工业企业。

In China, high-grade iron ore is in short supply, shipping prices are volatile and hundreds of steel companies compete against each other to buy ore to meet their aggressive production targets.

澳大利亚驻上海总领事Tom Connor抵达法院在中国，高品位铁矿石供应不足，船运价格波动剧烈，还有数百家钢铁企业为了实现定在高位的生产目标而对原材料你争我夺。

Qinghai Mangya asbestos mining town of the northern part of the rock group, natural resources, ore body is large in scale, high-grade ore source.

青海省芒崖镇石棉矿为该岩体群的北部，资源得天独厚，矿体规模大，矿源品位高。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。