稀土有两种，一种是重稀土，一种是轻稀土。
Rare earth consists of two categories: one is heavy rare earth, the other one is light rare earth.
研制了一种钇基重稀土变质剂。
A new type of Y-base heavy rare earth modificator was developed.
稀土有两种，一种是重稀土，一种是轻稀土。
There are two kinds of rare earth metals, the heavy rare earth elements and the light rare earth elements.
稀土元素球粒陨石标准化曲线显示轻稀土富集重稀土亏损；
The standard curve of chondrite of rare earth element reveals a deficit of light rare earth enriched the heavy one;
本区金属矿产资源以钨、锡、铌、钽、铅、锋，锑、汞及重稀土为主。
The principal metal mineral resources in this area are tungsten, tin, niobium, tantalum, lead, zinc, antimony, mercury and heavy rare-earth elements.
稀土元素通常是同时被发现的，一般来说轻稀土元素的数目远甚于重稀土元素。
Rare earth metals are often all found together, typically with far more light than heavy elements.
其REE丰度逐渐增高，轻、重稀土分馏程度表现为愈趋显著的总体演化趋势。
Their REE abundance increases progressively and their light and heavy REE fractionations also have a general evolutionary trend of becoming more and more marked.
锡铁山地区的部分样品中存在重稀土的异常富集，可能指示了原岩部分熔融过程的存在。
Anomalous enrichment of heavy REE are observed in some of samples from Xitieshan, which may resulted from partial melting with garnet as extraction residue during subduction.
美国能源部的报告还指出：几十家小公司都希望在美国或是其他地方新开发稀土矿，能利用导体和重稀土的储备。
Dozens of small mining companies hope to open new mines in the United States and elsewhere that could tap reserves of medium and heavy rare earths.
随着时代变新，玄武岩碱性逐渐增强，轻、重稀土元素分离程度及不相容元素富集程度也逐渐增强。
With the ages becoming younger of the basalts, their alkali, the fractional degree of LREE/ HREE and incompatible elements enrichment increased.
矿石中矿石矿物磁铁矿与脉石矿物石榴石和矿区火山岩的稀土元素配分型式相似，均属重稀土富集型。
The ore minerals (magnetites), vein minerals (loivines), and ore district volcanics own similar REE partition pattern of heavy REE concentration type.
应用钇基重稀土镁复合球化剂，铸造厚大断面高韧性球铁冷却壁，成功地获得了铸件中心部位铸态高性能。
The RE(Y)-Mg-Si-Fe nodularizer had been used to cast heavy sectioned high ductile nodular iron cooling wall castings.
本田表示，它从10年前开始着眼于减少重稀土的使用，2011年稀土价格猛涨则促成了该公司和大同特殊钢公司的合作。
Honda started looking to reduce the use of heavy rare earth metals 10 years ago, but a spike in prices around 2011 prompted the tie-up with Daido, the company said.
本文对钇基重稀土碳酸盐沉淀过程中杂质铁、铝离子的共沉淀行为以及对碳酸稀土的结晶性能和结晶效果的影响进行了研究。
The co precipitation behavior and the effects of impurity ions on the crystallization properties of yttrium base heavy rare earth carbonate were investigated.
研究表明玄武岩首先风化形成蒙皂石族粘土矿物，在此过程中稀土元素没有明显的分馏作用，强风化的玄武岩重稀土元素强烈亏损；
It is concluded that the half-weathered basalts have not distinct REE fractionation and strong weathered basalts had HREE loss in the process of the basalts weathered to form smectite family minerals.
其实，一些稀土元素在国际市场上的价格根本就没有下跌，尤其是那些所谓的重稀土元素，如铽(用于制造先进的激光器和光学仪器)等。
Indeed, some international prices haven't fallen at all, in particular those that are known as heavy rare earths, like terbium, which is used in advanced lasers and optics.
多方数据都表明，中国稀土资源储量与产量之间的严重失衡，已成为中国越来越难以承受之重。
Figures from several different sources indicates China's grave imbalance in the reserve and production of rare earth is becoming an increasingly unbearable burden.
采用稀土处理ZL 104铝合金，研究了稀土对铝合金半固态重熔加热过程中组织变化的影响。
Al-alloy ZL104 was treated with rare earth, and the effects of re on the structure of semisolid Al-alloy during reheating were investigated.
在四川冕宁稀土矿床霓辉重晶伟晶岩和碳酸岩矿体的早期萤石、石英中发现了大量的流体-熔融包裹体。
A great quantity of fluid-melt inclusions was found in early-stage formed fluorite and quartz from aegirine-augite-barite pegmatite vein and carbonatite vein in Mianning REE deposit of Sichuan.
本文阐述喀斯特沉积物中稀土分布模式的精细结构—稀土四重效应特征及其研究意义。
In this paper the fine structure of the distribution model of REE in Karst deposits-the tetrad effect and its meaning are discussed.
结果表明，配体的三重态能级与稀土离子的激发态能级匹配。
The results show that the triplet state energy of the ligand is most matching with the excitated state energy of rare earth ions.
稀土元素表明，与铜矿有关的岩浆为同熔型，而与银多金属矿有关的为地壳重熔型。
The study of REE shows that the magma type related to copper deposits is syntectic type, and that to silver polymetallic deposits is mainly re-melting type.
而且由于我国在永磁体稀土方面的资源极为丰富，这就使得我们研究永磁同步电机的控制十分重要。
And rare earth which consists the permanent magnet is so rich in our country that it is every important for us to do research in controlling of PMSM.
目前研究表明：较低浓度的稀土元素可以促进植物种子的萌发、根的生长、根重的增加和不定根发生等。
The present results showed that the REEs at a lower concentration stimulate germination of seeding, promote root growth, increase root length and induce adventitious rooting.
一种降低汽油中的硫含量的脱硫剂含有以催化剂重量为基准的含稀土Y型沸石15-60重％、无机氧化物10-60重％、粘土0-75重％；
A kind of hydrocarbon-oil desulfuration agent contains, on the catalyst-weight basis, 15-60% phosphorus-modified and rare-earth-contained Y type zeolite, 10-60% inorganic oxide, and 0-75% clay;
一种降低汽油中的硫含量的脱硫剂含有以催化剂重量为基准的含稀土Y型沸石15-60重％、无机氧化物10-60重％、粘土0-75重％；
A kind of hydrocarbon-oil desulfuration agent contains, on the catalyst-weight basis, 15-60% phosphorus-modified and rare-earth-contained Y type zeolite, 10-60% inorganic oxide, and 0-75% clay;
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