查询词典 rare earth
- 与 rare earth 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Rare earth element tracer method was used to study sheet erosion changing to rill erosion on slope land.
中国科学院水利部水土保持研究所黄土高原土壤侵蚀与旱地农业国家重点实验室,陕西杨凌712100
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Based on the problems of the change of erosion types on the slope, we used a new REE tracer method, by placing different rare earth elements of different soil depth across a slope in an indoor plot, simulated rainfall and INAA were applied to study sheet erosion changing to rill erosion on slope land.
提出并建立了一种新的利用REE元素研究坡面土壤侵蚀的方法根据坡面不同侵蚀方式演变过程定量分析存在问题,提出并建立了人为沿坡面垂直分层布设不同的REE示踪元素,利用室内人工模拟降雨试验和中子活化分析相结合的方法研究坡面侵蚀演变过程。
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It is already a top world shipbuilder, electronics producer and chemical manufacturer; it produces more than half the world's steel; and it controls 90 percent of the globe's rare-earth oxides (essential for high-speed data retrieval).
这已经是一个世界一流造船,电子化学品生产商和制造商,它生产超过世界上一半的钢;而且它控制著百分之九十全球的稀土氧化物(必不可少的高速数据检索)。
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A soft silvery metallic element of the rare earth group having no ''.
一种软质的银色金属元素,稀土属,没有''。
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The results have shown that P-RE-USY has good hydrothermal stability owing to the migration of hydroxy rare earth cation from the super cages to the sodalite cages enhanced by phosphorus addition, inhibiting the frame...
结果表明,由于磷促进了稀土离子由超笼向方钠石笼中的迁移,阻止了沸石在水热条件下的脱铝作用,从而改善了P RE USY沸石的水热稳定性;P RE USY沸石酸性分布更集中在中强酸范围,有利于发生氢转移反应,而强酸数量的降低有利于减少焦炭形成,改善了焦炭选择性。
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The results showed the rare-earth stearate as having excellent heat stability and resistance to weather, improving PVC's mechanical properties and processing behavior in a certain extent.
结果表明,硬脂酸稀土具有优异的热稳定性和耐候性,对PVC的力学性能、加工性能都有不同程度的提高。
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Rare earth elements are widely used in agriculture and stockbreeding, but themechanisms of its biological effect are not very clear.
稀土元素的生物效应机理目前尚不十分清楚。
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An account of main development and main advances of rare earth hydrogen storage cell is given in this paper.
前言 稀土贝宁氢电池是一种新型的化学电源,也被称为镍氢充电电池。
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The rare earth oxide and strontium salt can refine the basic structure 、 firstborn Si phase and firstborn α branch crystal.The dispered oxide grains as the second phases reinforced the alloys.
稀土氧化物及锶盐的加入使基体组织,尤其是初晶Si及初生树枝晶α相得到细化,弥散分布的氧化物颗粒起到第二相强化作用。
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Keywords: Rare earth; Compounds; Magnetism; Two - sublattice; spin configurations
中文关键词:稀土;化合物;磁性;双亚点阵;自旋织构
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力