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rare earth相关的网络例句

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]

The review includes:(1)spintronics,(2)magnetic properties of Bi -Fe oxides,(3)rare and rare -earth metalic perpendicular magnetic recording materials,(4)new multilayer magnetic material s,(5)magnetic levitation vehicle.

综述了磁性功能材料研究和应用在2000年~2001年间的新进展,其内容包括:(1)自旋电子学;(2)Bi-Fe氧化物的磁性;(3)稀有和稀土金属垂直磁记录材料;(4)新的多层膜磁性材料;(5)磁浮列车。

Keywords Rare earths;Monazite;Carbon reduction;Rare earth phosphate

稀土; 独居石精矿;碳还原;稀土磷酸盐

A soft, silvery-white, malleable, ductile, metallic rare-earth element, obtained chiefly from monazite and bastnaesite and used in glass manufacture and with other rare earths in carbon lights for movie and television studio lighting.

镧:一种质软、银白色、有延展性的、可塑性的稀有金属,主要是从独居石和氟碳铈矿中提取出来,用于玻璃工业及电影或电视摄影照明的碳棒灯中。

Avalon Rare Metals, for example, owns a rare-metals property at Thor Lake in the Northwest Territories. Ucore Uranium, based in Halifax, has a project in southeastern Alaska. VMS Ventures optioned a uranium and rare-earth property in Manitoba. Billingsley's company, Great West Mineral Group of Saskatoon, owns the Hoidas Lake project on the northern fringe of Saskatchewan.

例如,在西北地区托尔湖拥有稀有金属矿的阿瓦隆稀有金属公司;坐落于哈利法克斯,在阿拉斯加东南部有项目的铀核铀矿公司;握有曼尼托巴的铀矿和稀土矿购买权的VMS投资公司;还有比利斯利的公司,在萨斯喀彻温省西北边辉达斯湖有项目的大西部矿业集团公司。

Alkaline earth sulfides MS, alkaline earth selenides MSe, MS1-xSex,gallium sulfide Ga2S3, oxysulfide MLaGa3OS6, complex sulfides MGa2S4 and Ba2ZnS3 doped with rare earth ions Eu2 , Ce3 , Tb3 , Ho3 , Tm3 were synthesized and their spectroscopic properties were studied.

合成了掺Eu2 , Ce3 , Tb3 , Ho3 , Tm3 等稀土离子的碱土硫化物MS,碱土硒化物MSe,碱土硒硫化物MS1-xSex,硫化镓Ga2S3,氧硫化物MLaGa3OS6,和复合硫化合物MGa2S4, Ba2ZnS3,并研究了它们的光谱性质。

NdFeB,the 3th generation of rare-earth permanent magnet,is produced by powder metallurgical method with neodymium(rare-earth metal),iron and boron.

第三代稀土永磁---NdFeB主要是由稀土材料金属钕和铁及硼通过粉末治金的制造工艺生产而成。

The influential regulation of rare earth on the properties of spray coating is studied by adding rare earth to the self-fluxing Nickel based alloys powder.

通过在镍基自熔合金粉末中添加微量稀土,研究了稀土对喷焊层性能的影响规律。

The results showed that light rare earth elements adsorbed by plant root cell wall and taken up by cross-membrane were utilizable, and the total content of rare earth elements in plant root can be used for predicting bioavailability.

结果表明,玉米根细胞壁吸附和跨膜吸收的轻稀土元素都是植物可以吸收利用的,可以用根中总稀土元素来预测生物可利用性。

The company is a key producer of rare earth alloy in Baotou,with a capacity of 9000ton of Mg-Si-Fe alloy and 1600ton of rare earth Si-Fe and 6000ton of Silicide alloy perannum.

并设有化验、分析检测等设施,有从事稀土合金化验多年的化验工程师分析把关。

By esterification, saponification, doubledecomposition and formulation, liquid rare earth of monoisooctyl phthalate complex heat stabilizer was prepared with phthalic anhydride, isooctyl alcohol, sodium hydrate, rare earth chloride, mixed solvent and other reagents. The optimum conditions are: the temperature of esterfication is 130~140℃,and the reaction time is 1h. The temperature and time of saponification is 60℃ and 10min respectively. The temperature of double decomposition is 60~70℃,and the reaction ti...

摘 要:以邻苯二甲酸酐、异辛醇、氢氧化钠、氯化稀土、混合溶剂、助剂为原料,通过酯化反应、皂化反应、复分解反应以及复配制备了以邻苯二甲酸单异辛酯稀土为主要成分的液态稀土复合热稳定剂,其工艺条件为:酯化反应的温度控制在 130~ 14 0℃,反应时间为 1h ;皂化反应的温度为 6 0℃,反应时间为 5min ;复分解反应的温度在 6 0~ 70℃,反应时间为 1h ;水洗温度控制在 6 0~ 6 5℃;混合溶剂的用量为 5 0 %,稀土含量为 6 0 3%;在复配过程中,采用亚磷酸酯作为辅助热稳定剂,其用量为 5 %~ 7%,PVC中加入 2 %的这种稀土复合热稳定剂,在185℃下,其热稳定时间为 4 5min。

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