Chinese
What does 稀土 in Chinese mean?
What is the meaning of the word 稀土 in Chinese? The article explains the full meaning, pronunciation along with bilingual examples and instructions on how to use 稀土 in Chinese.
The word 稀土 in Chinese means rare earth, rare earth element, rare earths. To learn more, please see the details below.
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Meaning of the word 稀土
rare earthnoun (naturally occurring oxides of the lanthanide metals) 稀土 精煉 廠 能 解決 危機 一勞永逸 A rare earth refinery solves this crisis permanently. |
rare earth elementnoun (type of metal) 目前,世界95%以上的稀土供给由中国生产,但预计全球需求将超过供给。 China currently produces over 95 per cent of the world’s supply of rare earth elements. |
rare earthsnoun 稀土 精煉 廠 能 解決 危機 一勞永逸 A rare earth refinery solves this crisis permanently. |
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一种氧化铈氧化锆基复合稀土氧化物及其制备方法 Cerium oxide-zirconium oxide based composite rare-earth oxide and preparation method thereof |
本发明公开一种内装饰材料制作方法、活性材料及其制造方法,活性材料可用于制作汽车内用品以及家具,其中,所述能消除异味及有害气体的内装饰材料制作方法,具有释放波长为5-15远红外线,并在空气中能电离负离子的内装饰活性材料,表面空气离子浓度达到 3000-15000个/cc以上,具有快速消除和分解异味如甲醛、苯类、烟味有害气体的功能,是由以下原料经共混、烘干后制备得到的,在共混时的各组分原料及含量为:树脂100份、麦饭石粉5-30份、石英粉5-10份、电气石粉5-30份、稀土1-5份,以树脂质量份为基准。 The interior decoration material is manufactured by blending and drying the following materials, components and contents in the blending being as follows: 100 parts of resin, 5 to 30 parts of maifan stone powder, 5 to 10 parts of quartz powder, 5 t0 30 parts of tourmaline powder, and 1 to 5 parts of rare earth, the mass of resin being a reference. |
在该方法中,电解质为碱金属或碱土金属的氯化物熔盐,阳极为惰性电极或石墨,阴极由稀土金属氧化物或稀土金属氧化物与其他合金组分的氧化物和/或金属粉末制成,通入直流电实施电解;电解过程中电解温度高于所生成的稀土金属合金或稀土金属的熔点且低于阴极的熔点,阴极表层首先被电解生成金属液膜,累积到一定量后落入底部的坩锅中;阴极电流密度满足稀土金属合金或稀土金属成分在阴极析出;电解电压低于电解质分解电位并高于稀土金属合金或稀土金属中各组分对应的氧化物的分解电位。 The electrolysis voltage is lower than the decomposition potential of the electrolyte and higher than the decomposition potential of the oxides corresponding to each component of the rare earth metal alloy or to the rare earth metal. |
本发明提供了一种催化剂组合物,包含:包括有机硼盐和具有式(I)结构的双亚胺硫酯基稀土配合物,所述有机硼盐与具有式(I)结构的双亚胺硫酯基稀土配合物的摩尔比为(0.5〜2.0):1。 The present invention provides a catalyst composition, comprising: an organic boron salt and a bisimine thioester rare earth complex having a structure of formula (I), with the molar ratio of the organic boron salt to the bisimine thioester rare earth complex having a structure of formula (I) being (0.5-2.0) : 1. |
2013年1月,美国能源部宣布在埃姆斯实验室建立关键材料研究所(Critical Materials Institute,CMI)以解决美国国内日益短缺的稀土金属资源问题,以及发展其他与美国能源安全相关的材料。 In January 2013 the Department of Energy announced the establishment of the Critical Materials Institute (CMI) at Ames Laboratory, with a mission to develop solutions to the domestic shortages of rare-earth metals and other materials critical for U.S. energy security. |
本方法实现了稀土元素Ce、Eu、Tb、Y与Mg、Ba、Ca等杂质元素分离和轻、中、重稀土元素全分离回收,并提纯得到高纯稀土氧化物,使资源得到了综合回收利用,工艺流程合理、经济实用,稀土回收率高,产物附加值高。 The process is reasonable, economical, and practical, the recovery rate of the rare earth is high, and the product has a high added value. |
純鑥金屬的製備十分困難,是稀土金屬中最稀有也最昂貴的,每公斤售價約為1萬美元,即金的四分之一左右。 It is one of the rarest and most expensive of the rare earth metals with the price about US$10,000 per kilogram, or about one-fourth that of gold. |
承包者在该区采集的20个结核样本中除锰、镍、铜和钴以外的利益元素品级被归为3个类别:合金、稀土及其过渡金属和其他元素。 Grades for elements of interest other than manganese, nickel, copper and cobalt from 20 samples of nodules taken by the contractor within the area are grouped into three categories: alloy metals, rare earth and their transition metals and other elements. |
本发明提供一种混合稀土烧结永磁体及其制备方法。 该混合稀土烧结永磁体制备方法,使用两种以上合金来制备烧结永磁体。 The present invention provides a mixed rare earth sintered permanent magnet and preparation method thereof. |
� 据澳大利亚工业矿物公司估计,2015年,全球稀土需求将达185,000公吨,而中国稀土行业协会秘书长王彩凤则认为,到那里,全球需求可能达每年210,000吨。 � The Industrial Minerals Company of Australia estimates global demand for rare earths will be 185,000 metric tons in 2015, while according to Wang Caifeng, Secretary General of the Chinese Rare Earth Industry Association, global demand is likely to reach 210,000 tons per year by that date. |
以工业纯混合稀土制备La(Fe,Si)13基磁制冷材料,减小了对高纯单质稀土原料的依赖性,降低了材料的制备成本,对于开发材料的磁制冷应用具有重要的实际意义。 Using industrially pure mixed rare-earth to prepare a La(Fe,Si)13-based magnetic refrigerant reduces dependence on high purity single rare earth raw materials, reduces refrigerant preparation costs and is of practical significance to materials development in magnetic refrigeration. |
一种混合稀土烧结永磁体及其制备方法 Mixed rare earth sintered permanent magnet and preparation method thereof |
提供一种氧化铈氧化锆基复合稀土氧化物的制备方法,包括:(1)室温下加热锆盐溶液,缓慢加入硫酸根离子,控制升温速度,使硫酸根离子加入完毕时温度升至90-95°C,然后保温20-100min,形成碱式硫酸锆复合盐前驱体;(2)将铈盐和稀土金属盐加入所述前驱体溶液中,搅拌均匀,得浆料;(3)用碱式碳酸盐和/或碱式草酸盐溶液对浆料进行沉淀,得沉淀物;(4)对步骤(3)所得的沉淀物进行过滤洗涤,去除杂质,对洗涤后的沉淀物进行煅烧。 Also provided is a cerium oxide-zirconium oxide based composite rare-earth oxide prepared by the method. |
利用无机稀土纳米荧光探针优异的发光性能, 如长荧光寿命的下转移发光、 近红外激发的上转换发光以及无需激发源的长余辉发光, 可有效解决背景荧光的干扰. To eliminate this disadvantage, the use of inorganic lanthanide (Ln3+)-doped nanoparticles (NPs) is an excellent option in view of their superior optical properties, such as the long-lived downshifting luminescence, near-infrared triggered anti-Stokes upconverting luminescence and excitation-free persistent luminescence. |
这些动态包括随着美国的页岩油气革命出现的能源力量平衡变化,气候变化及其对商品的潜在影响,可再生能源的增长和稀土金属的日益增加的重要性。 They include the shifting energy power balance in the wake of the shale oil and gas revolution in the United States, climate change and its potential impact on commodities, the growth of renewable energy and the increasing importance of rare earth metals. |
稀土金属和其化合物在很多科学和技术领域被使用,不能一一列出。 It is difficult to list all the areas of science and technology in which rare earth metals and their compounds are used |
本发明提供了一种抗高温材料用表面合金涂层复合材料、涂层及其制备方法,其特征在于:所述表面合金涂层复合材料由具有面心立方结构的金属合金粉末和搪瓷粉制成,其成分配比为10-70wt%金属合金粉末,搪瓷粉余量;所述金属合金粉末选择NiCrAIX、NiCrX和NiCoCrAIX中至少一种,其中X为铪、锆、稀土元素和混合稀土中至少一种,混合稀土可以为两种或两种以上稀土元素同时使用,或稀土元素与Na、K、Ca、Sr、Ba之一种或多种组合使用。 The surface alloy coating composite material can improve high temperature oxidation resistance and hot corrosion resistance performance, fracture toughness and thermal shock resistance performance of a high temperature alloy substrate. |
o 禁止朝鲜出口特定矿物,包括煤炭、铁、铁矿石、黄金、钛铁矿、钒矿石和稀土矿物质等; (xiii) Ban on export from DPRK of specified minerals including coal, iron, iron ore, gold, titanium ore, vanadium ore and rare earth minerals; |
本发明提出一种具有稀土氧化物的半导体结构,包括:半导体衬底(100);和形成在半导体衬底(100)上的交替堆叠的多层绝缘氧化物层(201,202......20x)和多层单晶半导体层(301,302......30x),其中,与半导体衬底(100)接触的绝缘氧化物层(201)的材料为稀土氧化物、二氧化硅、氮氧化硅中的一种或多种的组合,其余的绝缘氧化物层(202......20x)的材料为单晶稀土氧化物。 Provided in the present invention is a semiconductor structure having a rare-earth oxide, comprising: a semiconductor substrate (100), and, formed on the semiconductor substrate (100) and alternately staggered, multiple insulating oxide layers (201, 202, ...20x) and multiple monocrystalline semiconductor layers (301, 302, ...30x), where the material of the insulating oxide layer (201) in contact with the semiconductor substrate (100) is either one or a combination of many among the rare-earth oxide, silicon dioxide, and silicon oxynitride, and the material of the remaining insulating oxide layers (202, ...20x) is a monocrystalline rare-earth oxide. |
已探明储量、产量和出口水平以及生产国,特别是中国,国家政策的不确定性,会继续影响价格、投资者信心以及稀土金属的供应量和可得性。 Uncertainties about proven reserves, production and export levels, and national policies in producing countries, particularly China, continue to influence prices, investor confidence and the availability of, and access to, REMs. |
三价稀土离子掺杂半导体纳米晶具有独特的光学性能, 其在光电子器件、平板显示和荧光生物标记等方面的潜在应用前景,获得了人们的普遍关注. Trivalent lanthanide (Ln3+) ions doped semiconductor nanomaterials have recently attracted considerable attention owing to their distinct optical properties and their important applications in diverse fields such as optoelectronic devices, flat plane displays and luminescent biolabels. |
一种稀土永磁体生产工艺及设备 Rare earth permanent magnet production process and device |
本发明公开了一种石蜡烃异构化催化剂、制备方法及应用。 所述催化剂包括稀土改性的TON分子筛和氧化锆改性的无机耐熔氧化物以及第VIII族贵金属。 Disclosed are a catalyst for paraffin isomerization, as well as a preparation method and use thereof. |
一种用于涂刷导线的夜光粉,采用以下步骤制成:(a)将铜粉、铬粉、钪粉和铁粉放入清漆中搅拌均匀,并进行加热;(b)加热完毕后加入稀土发光粉,并搅拌均匀;(c)冷却到常温得到用于涂刷导线的夜光粉。 所制得的夜光粉能够有效涂覆在铝质导线表面,不易脱落,可以长期起到警示作用。 The luminous powder obtained can be effectively coated on the surface of the aluminium wire, and the luminous powder is not easy to fall off and can serves as a warning in the long term. |
吉尔吉斯斯坦现在有能力出口铀产品以及稀土金属,同时进口各种生物技术和两用物品。 Kyrgyzstan now has the capacity to export uranium products and rare-earth metals and at the same time to import various kinds of biotechnological and dual-use items |
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