Effect of rare earth elements on properties of brass powders is discussed.
探讨了稀土元素对黄铜粉末性能的影响。
It is the first time attainable rare earth elements were confirmed on the seafloor.
这是海底可利用的稀土元素资源量首次得到确认。
It suggests that rare-earth elements yttrium and praseodymium have certain genotoxicity.
提示稀土元素钇和镨具有一定的遗传毒性。
The nearside also has much more kreep-potassium, rare-earth elements, and phosphorus-according to scientists.
据科学家称，月球近地端含有更多的克里普矿物，稀有地球元素钾，还有磷。
The effect of rare earth elements on the microstructure and properties of steel P20 has been investigated.
研究了P 20钢中加入微量稀土元素后性能和组织的变化规律。
This method was utilized to determine rare earth elements in fennel spice sample with satisfactory results.
该方法被用于分析茴香调味品实际样品中的稀土元素，结果令人满意。
Rare earth elements have been widely applied in agriculture, industry, medicine and stockbreeding and so on.
稀土在我国农业、工业、医疗和畜牧业等方面有着广泛的应用。
Rare earth elements from 4 square kilometers of such areas could meet Japan's annual demand of about 30, 000 tons.
上述区域内每4平方公里范围的稀土元素储量，即可满足日本每年约30000吨的需求。
Rare earth elements can improve the plating bath performance and deposit quality, and has good application prospect.
稀土添加荆可改善镀液性能，提高镀层质量，有良好的应用前景。
This abandoned mine in Guyun Village in China exhausted the local deposit of heavy rare-earth elements in three years.
而在中国古云镇的这一废弃稀土矿，三年就已经挖光了所有资源。
Rare earth elements have unique properties and extensive applications owing to their special electronic configuration.
稀土元素特殊的电子构型，使其具有独特的性质和广泛的应用。
Kato and the other researchers assumed those particles had absorbed rare earth elements and accumulated on the seafloor.
Kato和另一位研究者相信这些颗粒吸附了稀土元素，并使其在海底沉积。
Rare earth elements improves sulfide morphology, enhances the low temperature transverse impact properties of the plate.
稀土元素改善了硫化物形态，提高了钢板的低温横向冲击性能。
The application of light rate earth elements on agriculture, textile, glass and ceramics industry was briefly described.
对轻稀土在农业、纺织印染、玻璃陶瓷工业方面的应用作一简介。
It is not as though the rare-earth elements-scandium, yttrium and lanthanum plus the 14 so-called lanthanides-are all that rare.
并非所有稀土元素都像钪、钇、镧加上14所谓的镧系元素那样稀少。
The results of electrochemical testing indicated that doping rare earth elements can improve the cycle performance of the material.
电化学测试结果显示稀土元素掺入有效的提高了材料的循环性能。
Paradoxically, mining rare earth elements - crucial for a number of green technologies - is potentially damaging for the environment.
矛盾的是，开采稀土元素会对环境造成潜在危害，但这些元素对许多绿色技术来说又是至关重要的。
lunar water has raised questions as to whether other resources such as helium 2 and rare Earth elements could be found on the moon as well.
月球水的发现带来了更多疑问，是否还有例如氦2和地球上的稀土元素的资源在月球上被找到。
The development of solvent extraction separation of alkaline earth elements was reviewed, according to the classification of extractants.
本文就碱土金属离子萃取分离的进展情况，按萃取剂的分类进行了综述。
In the carburizing process, rare earth elements could promote the decomposition and absorption of medium and the diffusion of carbon atom.
在渗碳过程中，稀土元素对介质的分解，吸收和碳原子的扩散都起到了促进作用。
Rare earth elements (REE) have important tracing significance on studies about sedimentation environment, source and forming of sediments.
稀土元素(REE)在揭示沉积环境，研究沉积物物源及成因方面具有重要的示踪意义。
The distribution patterns of rare earth elements of pitchblende and surrounding rocks in three types of uranium deposits have been studied.
该文研究了桂东北地区三种不同类型铀矿床中沥青铀矿及其围岩的稀土元素分布模式。
When the addition amount of rare earth elements was appropriate, the corrosion resistance of aluminum and aluminum alloy foam was improved.
在泡沫铝和泡沫铝合金中添加适量稀土元素，可以提高泡沫铝和泡沫铝合金的耐腐蚀性能；
Existent state variation of rare earth elements (REEs) in wheat rhizosphere and non-rhizosphere soils were studied using root - box technique.
采用根际袋法研究了稀土在春小麦根际土壤与非根际土壤中存在形态的差别。
The manufacturing process of brass powders containing rare earth elements and their applications in PM and thermal spray products are presented.
介绍了含稀土元素的黄铜粉末的研制工艺及其在粉末冶金制品和热喷涂方面的应用。
Existing lasers use media ranging from crystals doped with rare-earth elements to specific mixtures of gas and even certain sorts of semiconductors.
现有的激光器使用的介质有，掺杂有稀土元素的晶体、特定比例的气体，甚至是某些特定半导体。
The discovery of lunar water has raised questions as to whether other resources such as helium 2 and rare Earth elements could be found on the moon as well.
月球水的发现带来了更多疑问，是否还有例如氦2和地球上的稀土元素的资源在月球上被找到。
Influence of rare earth elements on high-cycle fatigue properties of AZ91D alloy was investigated and the fatigue fracture morphology was also analyzed.
研究了稀土元素对AZ 91 D压铸镁合金高周疲劳性能的影响，并对疲劳断口的组织形貌进行了分析。
Influence of rare earth elements on high-cycle fatigue properties of AZ91D alloy was investigated and the fatigue fracture morphology was also analyzed.
研究了稀土元素对AZ 91 D压铸镁合金高周疲劳性能的影响，并对疲劳断口的组织形貌进行了分析。
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