查询词典 cobalt crust

It is important that studying gamma ray spectrometry of field rocks and soil in the earth抯 crust. Their energy range are mainly 30-3000keV, they contain abundant information of natural radioactive nuclides, such as uranium, thorium, potassium, etc, and of artificial radioactive nuclides from nuclear engineering activity, such as cesium, americium, cobalt, etc, and of the results in interaction between gamma ray and earth抯 crust.

国外近年已经生产出大于256道的伽玛射线能谱仪，但由于仪器应用滞后于仪器研究，且仪器稳谱未完全解决，获取全谱信息困难，加之对低能谱段的认识不足等原因，致使野外应用仍然滞留在仅限于测定铀钍钾含量的伽玛能谱测量水平上。

School of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China）Abstract: Mathematic model of the tiny terrain covered cobalt-rich crust and the cutting process of mining head's cutting tooth were established by considering the force of sea water, and simulation software was developed by GUI tool of Matlab software to study the distributive properties of maximum load of the cutting tooth.

摘 要：考虑海水力的作用，建立深海钴结壳微地形的数学模型和采矿头截齿切削过程的数学模型，应用Matlab软件GUI工具编制相应的仿真程序，并通过实验验证仿真模型的正确性和仿真软件的工程有效性。

The cobalt existing states are very complex in the earth's crust, and it can form many cobalt minerals, cobaltiferous minerals and rock forming minerals.

钴在地壳中的赋存状态复杂，能形成多种含钴矿物和造岩矿物。

The observation has shown that the carrier of cobalt crust can be all kinds of rocks.

观察表明，富钴结壳的载体可以是各种岩性的基岩。

A Method of Design and Realization about a Test System of Deep-sea Cobalt Crust Cutting Head

海底钴结壳富含锰、钴和镍等金属，是人类近期勘探和开采研究的热点之一。

The huge reserves of submarine polymetallic nodules and cobalt crust make them animportant kind of mineral resource.

海底多金属结核和富钴结壳储量巨大，是重要的海洋矿产资源。

Taking into account of the complicated situation of uneven topography in deep-sea cobalt crust area, mining vehicle's wheels frequently skidding, a dead reckoning position method has been designed based on driven wheel.

针对深海钻结壳矿区地形不平坦，采矿车作业环境恶劣，车体打滑严重等复杂情况，设计了一种基于从动轮测速的航位推算定位方法。

Seabed mineral resources—cobalt crust comes mainly from rugged terrain of the seamount surface, the track vehicle used for mining cobalt crust should have an excellent barrier properties, mechanical performance and heavy-duty capacity.

海底矿产资源钴结壳主要产于地形崎岖不平的海山表面，用于开采钴结壳的履带式作业车应能稳定地通过复杂地形，具有优良的越障性能、机动性能和重载能力。

Based on the experience on mining deep sea manganese nodule and the new research achievements of rich cobalt crust , the authors developed a mining scenario for deep sea rich cobalt crust with drum type collecting head.

从国内外深海开采锰结核的经验出发，通过分析比较钴结壳最新研究成果，提出了深海开采富钴结壳采掘机器人滚筒式采矿头的方案；通过对其切削破碎钴结壳载荷波动性的分析，建立了其载荷波动的数学模型，编制了模拟计算采集头载荷及其波动性指标的计算机程序，并对设计的深海钴结壳采集头理论模型的载荷特性进行了模拟和分析，为设计和优化深海钴结壳采掘机器人滚筒式采集头提供了设计依

"Study on relation between seamounts type and cobalt-rich crusts mineralization" take seamounts from Mid-Pacific Mountains and Marcus-Wake ridge as research objects, aim to discuss differences in crust mineralization for different seamounts type and their mechanism, offer theoretical guidance to present crust ore-finding, ore-delineation and resources assessment.

&海山类型与结壳成矿的关系研究&以中太平洋海山区和马尔库斯-威克海岭的富钴结壳资源调查海山为研究对象，旨在探讨不同类型海山结壳的成矿差异和形成机理，为当前富钴结壳资源找矿、圈矿和资源评价提供理论指导。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。