查询词典 metalliferous

Metalliferous ore waste residue and clay were used to prepare one kind of new decolorization adsorption ball and fuchsine dye water sample was taken as processing object.

文章主要是以金属矿废渣、粘土为材料研究制备一种新型脱色吸附球，并以碱性品红染料水样为处理对象。

It mainly applies to metalliferous and/or nonmetallic solid deposits exploration.

它主要适用于金属和/或非金属固体矿床勘探。

He has also been involved in projects on geobotanical and biogeochemical mineral exploration, revegetation and restoration of toxic metalliferous mine wastes, pollution monitoring and problems arising from trace element contamination of the environment.

他还参与了地球植物学和生物地球化学矿物质勘探，有毒金属矿山废物的恢复和再植被，污染监控和环境的微量元素污染一起的问题。

There are volcanicity and kinds of metalliferous minerals formed by rush of current on the Mars,which is superior to the metallic element spread in the terram on the Moon.

火星上有火山活动和水流冲击形成的各种金属富矿，这比散布在土石中的月球金属元素优越得多。

For the first five months of this year, metalliferous ores and scrap metal was the UK's largest export to China, up 6% on the same period last year.

今年头5个月的数据显示，金属矿石和废金属在英国对中国出口产量中比重最大，较去年同期增长了6％。

Solid organic matter remained in metalliferous ore recorded important information of ore-forming processes.

固体有机物质保留了金属矿床成矿过程的重要信息。

This product is also suitable for metalliferous mine, chemical mine, tunnel and the factories and mines in which fans are utilized.

这种产品也适用于金属矿山，化学矿山，隧道及工厂和矿山，其中球迷利用。

A process for direct smelting metalliferous feed material is disclosed.

本发明公开了一种用于直接熔炼含金属原材料的方法。

As a result of human activities such as mining and smelting of metalliferous ores, electroplating, gas exhaust, energy and fuel production, fertilizer and pesticide application, etc., metal pollution has become one of the most serious environmental problems today.

由于人类活动，例如采矿和金属矿石的冶炼，电镀，能源和燃料生产，肥料和杀虫剂应用，等等，金属污染变成今天最严重的环境问题之一。

This paper probes into mining mode of metalliferous deposit based on the viewpoint of industrial ecology, in the hope of improving resources efficiency, eliminating the four big hazard sources which can bring negative environment impact due to mining of metalliferous deposit, avoiding "end-treatment" engineering needed when mine are closed, keeping integrated mine's ecosystem in the process of mining metalliferous deposit.

探讨了基于工业生态学观点的金属矿床开采模式，以期提高资源效率，消除矿床开采对环境造成负面影响的4大危害源，消除矿山闭坑后的末端治理工程，使矿山在生产过程中保持矿区完整生态体系。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。