南极底流是影响多金属结核形成的关键因素。
Antarctic bottom current is the main influence aspects to the formation of polymetallic nodules.
大洋多金属结核是蕴藏在深海床的巨大金属资源，属于全人类。
Ocean polymetallic nodule is a vast metallic resource of deep sea bed and belongs all over the world.
阐述了中国多金属结核开辟区深海环境的水文、生物和化学特征。
The paper describes the benthic environmental features of China Registered Pioneer Area(CRPA)from physical, biological and chemical oceanography.
深海采矿专用提升泵是大洋多金属结核水力开采系统的关键设备之一。
The proper lift pump for deepsea mining is one of key equipment of hydraulic mining system of ocean polymetallic nodules.
但碲在富钻结壳、海底多金属结核、深海沉积物和陨石中的丰度异常高。
However, tellurium contents are extremely high in Co-rich crusts, Marine polymetallic nodules, deep-sea sediments and aerolites.
文章对中国大洋多金属结核矿产资源的开发，有着重要的文献价值和实用意义。
This paper is of important literature value and practical importance to the ocean polymetallic nodule mining in China's mine area.
为考查异化还原微生物在浸出金属氧化物中的行为，提高微生物浸出深海多金属结核的效率。
Behavior of microbial dissimilatory reduction in the process of bioleaching metal oxide was researched to increase the leaching efficiency of Marine manganese nodules.
国外在深海多金属结核开采技术研究这一领域中开展研究工作历时20余年，取得了许多成果。
In some foreign countries, it is more than 20 years since the study on technology for deepsea polymetallic nodule mining has been conducted, and many results have been achieved in this field.
鉴于深海作业环境的特殊性、采矿系统自身的复杂性，我国多金属结核采矿系统开展了虚拟现实研究。
Because of the particularity of abyssal environment and the complexity of the mining system itself, our country carries out the virtual reality research for the poly-metallic nodule mining system.
本发明公开了一种用大洋多金属结核-结壳浸出渣制备的混合水泥及其制备方法和其作为混凝土掺合料的应用。
The present invention discloses application of oceanic polymetallic nodule and crust leaching slag in preparing mixed cement and as material for concrete.
由于进行多金属结核与结壳研究测量样品的量较少，其中的放射性核素含量很低，所以要用低水平放射测量方法完成分析测量工作。
The measuring method of low level radioactivity were used because the sample is often very less and the radioactivity is frequently very low.
该混合水泥是由下述质量百分数的原料制成：大洋多金属结核-结壳浸出渣粉末10 ~ 20%、水泥熟料76 ~ 88%和石膏1 ~ 4%。
The mixed cement is prepared with oceanic polymetallic nodule and crust leaching slag 10-20 wt %, cement clinker 76-88 wt % and gypsum 1-4 wt %.
中国多金属结核开辟区位于东北太平洋夏威夷东南海域，北赤道流和北赤道逆流的交界处，其南侧是赤道太平洋上升流区，为我们深入了解营养盐动力学提供了绝佳的机会。
The China Pioneer Area of Eastern Pacific Ocean is to the north of the equatorial high nutrients area, across the the boundary of the North Equatorial Current and North Equatorial Countercurrent.
中国多金属结核开辟区位于东北太平洋夏威夷东南海域，北赤道流和北赤道逆流的交界处，其南侧是赤道太平洋上升流区，为我们深入了解营养盐动力学提供了绝佳的机会。
The China Pioneer Area of Eastern Pacific Ocean is to the north of the equatorial high nutrients area, across the the boundary of the North Equatorial Current and North Equatorial Countercurrent.
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