rare earth element

Alloy DTA curve shows rare earth element make eutectic transform temperature of Ni based self-fusible alloy lower from 1067 to 1063 degree Centigrade.

通过对合金的DTA曲线分析可知，在本实验条件下稀土元素使镍基自熔合金的Fe-Cr-C共晶转变温度由原来的1067℃下降到1063℃。

The dislocation microstructures in the tensile specimen of aluminium lithium alloys 2090 with addition of minor rare earth element cerium ( 2090+ Ce) were investigated by means of TEM ( electron transmission microscopy).

本工作利用TEM技术对添加微量稀土铈的2090铝锂合金（2090+Ce）拉伸试样中位错组态进行了观察。

The distribution of rare earth element in the coating was analyzed and discussed.

通过分析稀土在镀层中的分布,探讨了产生这种影响的原因.

Rare earth element geochemistry of hydrothermal sediment from the tag hydrothermal field, mid Atlantic Ridge

大西洋中脊TAG热液活动区中热液沉积物的稀土元素地球化学特征

The rare earth element components of hydrothermal chimney in Jade area in the Izena depression are characterized by enriched light rare earth element and high positive europium abnormity.

冲绳海槽中的伊是名（Izena）海洼Jade热液活动区烟囱物稀土元素特征表现为轻稀土元素相对富集，并具有铕的较强的正异常。

Using Rare Earth Element as Tracers for Studying Spatial and Temporal Process of Soil Erosion in Sloping Land

REE示踪研究坡面侵蚀时空演变过程

Effect of Rare Earth Element on Properties of Al-Si Eutectic Alloy

稀土La（镧）对Al-Si共晶合金性能的影响

Rare earth element pattern is a important way of study on REE geochemistry.

稀土元素模式图是稀土元素,地球化学研究的重要途径.

In virtue of abraser and vibrating sample magnetometer, the effect of rare earth element cerium on wear volume, magnetic intensity, coercitive force and magnetic permeability of electroless Co-Ni-B alloy coating are studied.

借助磨损试验机和振动样品磁强计等研究了稀土金属Ce对化学镀Co-Ni-B合金镀层磨损体积、磁化强度、矫顽力和磁导率的影响。

Major element and rare earth element provide an evidence for the evolution processes of different type clinopyroxenes and garnets.

主量和稀土元素组成，反演了矽卡岩形成过程中不同类型单斜辉石和石榴子石的演化顺序。

Minor rare earth element cerium, texture and anisotropy of yielding strength in 2090

微量稀土Ce、形变织构与2090合金板材屈服强度异向性

Analytical results for trace elements and rare earth elements of the mineralized rocks and host rocks show that the element association is Au As Sb Hg and As can be used as indicator element for gold prospecting in the area.

对矿化岩石与围岩的微量元素与稀土元素分析结果表明，本区金矿以Au As Sb Hg组合为特征，As是金的找矿指示元素。

Studies on biological dosage effect of adjustment of rare earth element in CaM level

稀土元素对生物体CaM水平调节的剂量效应的研究

Rare earth element and strontium-neodymium isotope characteristics of hydrothermal chimney in Jade area in the Okinawa Trough

冲绳海槽Jade热液场烟囱物稀土元素和锶、钕同位素地球化学特征

Determination of major ( thulium) and neighbouring Rare Earth Element Impurities in pure thulium oxide by XRF-FLIM paper method

X射线荧光滤纸片法测定纯氧化铥中主量氧化铥及相邻稀土氧化物杂质

A type of Fe-based amorphous alloy containing rare earth element was prepared by melt spinning technique.

利用旋铸技术制备了一种新型的含稀土元素的铁基非晶合金.

Through analyzing the distribution characteristics and geochemical behaviors ( such as macroelement, rare earth element and microelement) of volcanic rock here, structural transformation characteristics of Jiyang-Changwei depression in Cenozoic are studied using new geochemical theories and principles.

通过对火山岩分布特征、常量元素、稀土元素、微量元素地球化学特征分析，运用新的地球化学理论和原理，探讨了济阳-昌潍坳陷新生代构造转换特征。

Study on content of rare earth element in part of plant food in Hunan, Hubei and Sichuan provinces

湘鄂川部分植物性食品中稀土元素含量研究

Studies on Solid Superacid SO~ ( 2-)_4/ TiO_2 Modified by Rare Earth Element and Its Catalysis for Synthesis of Terpinyl Acetate

稀土元素改性SO4~（2-）/TiO2及其催化合成乙酸松油酯的研究

Finally, this paper also explored the mechanism of the rare earth inhibitor, discovering that the electronic configuration of the rare earth element exerted, to a certain extent, an important influence on the effect of the inhibition efficiency.

最后，本文还对稀土缓蚀剂的缓蚀机理进行了探讨，发现稀土元素的电子组态也在一定程度上对缓蚀效果的优劣产生了重要影响。

The sample preparation by the filter paper method and the direct determination of major ( thulium) and five neighbouring micro-rare earth element impurities in pure thulium oxide by XRF are described.

本文拟定了一种采用滤纸片法制样，X射线荧光直接测定纯氧化铥中氧化铥主量以及氧化钬、氧化铒、氧化镱、氧化镥和氧化钇等稀土杂质含量的分析方法。

A white trivalent metallic element; sometimes classified in the rare earth group; occurs in the Scandinavian mineral thortveitite.

一种白色三价金属元素，有时归为稀土属，见于斯堪的纳维亚钪钇石中。

Study on dynamic tracing of rill erosion process with rare earth element tracer

细沟水蚀动态过程的稳定性稀土元素示踪研究

A Study on Thermodynamic Model for Rare Earth Element Existence in Clean Heavy Rail Steel

稀土元素在洁净重轨钢中存在状态的热力学模型研究

X-ray diffraction study on the high Tc superconducting materials without rare earth element in Ti system

非稀土T1系高T c超导材料的X射线衍射研究

Effect of Doping Rare-Earth Element and Metallic Oxide on Compression Resistance of BaTiO_3

稀土元素及金属氧化物掺杂对BaTiO3系统耐压性能的影响

The effects of rare earth element La during hydrogenolysis were studied by using SEM, X-ray diffraction and chemical and physical analysis.

通过采用SEM、X射线衍射、化学元素分析、物理分析等技术，系统地研究了稀土镧对氧化钼氢还原的影响。

Experimental Research on Treating the Blue Algae Bloom with Rare earth Element in Dianchi Lake

应用稀土元素治理滇池蓝藻爆发的实验研究

A trivalent metallic element of the rare earth group, it could occurs with yttrium.

稀土属三价金属元素, 可以与钇共生.

The results show that it can obviously promote the ion nitriding rate and enhance the wear resistance of crankshaft through putting the rare earth element as La and Ce into nitriding furnace or passing over some CO_2 during ion nitriding process.

试验表明，在渗氮炉中放入含La、Ce的混合稀土，或在离子渗氮过程中通入少量CO2气体，都能明显促进离子渗氮，提高曲轴的耐磨性。