They had found, accidentally, that a rare metal, iridium, suddenly became very abundant exactly at the boundary and then slowly fell away.
他们偶然发现一种稀有金属铱的含量在边界处突然变得很丰富，然后又慢慢地消失了。
This sediment layer is enriched in the rare metal iridium and other elements that are relatively abundant in a meteorite but very rare in the crust of Earth.
这一沉积层富含稀有金属铱，以及其他在陨石中较丰富而在地壳中十分罕见的元素。
The new way of hypoxia rare metal produced industrialization was proposed.
为工业规模化生产低氧高纯稀土金属提供了新的途径。
Japan buys much of its rare metal from China to feed its electronics and car industries.
日本从中国购买稀有的金属向国内电子工业和汽车工业提供生产原料。
The technological development has put forward the new field of rare metal in purify technology of metallurgy.
此工艺对稀散金属冶金提纯技术提出了新的研究领域。
Antimony is not only a kind of important strategic metal but also a sort of rare metal with limited reserves.
锑是一种重要的战略金属，也是一种储量有限的稀有小金属。
Vanadium was became vital rare metal for high science and technology application due to its special properties.
钒因具有许多特殊的性能而成为重要的高科技应用的稀有金属。
JIN Lei, LI Di. Chemical milling and electrochemical machining[J]. Rare Metal Materials and Engineering, 1989, (2): 66-71.
[17] 金蕾，李荻。 钛合金化学铣切及电化学加工[J]。稀有金属材料与工程，1989，（2）：66-71。
Moreover, the technical plan and the principle of retrieving the rare metal, palladium, from the waste catalyst are introduced.
又提出了废催化剂中贵金属钯回收的技术方案及其原理。
China red porcelain material expensive, red glaze material is produced from rare metal tantalum, tantalum more expensive than gold.
中国红瓷材质昂贵，红釉的材质是用稀有金属钽烧制而成，钽比黄金更贵。
Molybdenum is the rare metal with high melting point, which is often used to prepare alloy steel, refractory steel and stainless steel.
钼是一种宝贵的稀有高熔点金属，是生产合金刚、不锈钢、耐热钢和合金铸铁的重要合金化元素。
The Sierrita Mine at image lower right (also owned by Freeport-McMoRan Copper &Gold) produces copper, molybdenum, and the rare metal rhenium.
图片右下部的谢里塔矿（也属自由港麦克莫兰铜金公司）出产铜、钼和稀有金属铼。
Huixianfeng granite body is a rare metal mineralized intrusive body of the third stage of early Yanshanian period with zoned alterations.
会仙峰花岗岩体为燕山早期第三阶段侵入岩，是稀有元素矿化岩体，岩体蚀变具分带现象。
It is applicable for separations of fine-grained and micro-grained rare metal, ferrous and non-ferrous metal, precious metal, coal and other minerals.
适用于细粒和微细粒稀有金属、黑色金属、有色金属、贵重金属等矿石和煤的选别。
It is widely used to separate ferrous, nonferrous, nonmetal and rare metal minerals. such as gold mine, copper mine, lead-zinc ore, tin mine and so on.
它广泛用于单独的黑色，有色金属，非金属和稀有金属矿物。如金矿，铜矿，铅，锌矿砂，锡矿山等。
The chief exports were silk, china, and ironware, together with some kinds of daily used things, and the chief imports were high grade consumer goods, such as rare metal and spice.
其出口商品主要是丝绸、瓷器、铁器等大宗货物，也有各种生活用品；进口货物多为贵金属和香料等高档消费品。
The special large sized rare metal and rare earth ores in Baerze of Inner Mongolia is the new industrial type ore deposit first discovered in China with the scale in third place in Asia.
内蒙古巴尔哲特大型碱性花岗岩稀有稀土矿床是国内首次发现的一种新类型工业矿床，其规模居亚洲第三位。
Rare earth perovskite-type oxide catalyst as a substitute for traditional rare metal catalyst has a great potential to purify automotive emission due to good catalytic activity and low cost.
钙钛矿型稀土氧化物催化剂具有较好的催化活性，成本低廉，在替代传统的贵金属催化剂净化汽车尾气方面潜力巨大。
The recent progress and application of functional fullerene organic luminescent materials , including low molecules, conjugated polymers and rare metal complexes , are reviewed in this paper.
综述了最近几年来，功能化富勒烯有机小分子、共轭高分子和金属配合物发光材料的国内外研究状况及应用。
Apply to the microgranular level black, non-ferrous and precious rare metal mineral separation recycling, also can be used for all kinds of mine tailings of deposits in the recovery of the fine.
适用于微细粒级黑色、有色及贵重稀有金属矿物的分选回收，也可用于各种矿山尾矿中微细金属矿的回收。
SONG J J, GUO D Y, DENG C, et al. Effect of incubated nucleation treatment on solidification microstructure of Au-Sn eutectic alloy[J]. Rare Metal Materials and Engineering, 2013, 42(4):756-760.
[4] 宋佳佳， 郭德燕，邓超，等。孕育形核处理对金锡共晶合金铸态凝固组织的影响[J]。稀有金属材料与工程， 2013，42（4）：756-760。
Rhenium is a kind of precious rare metal, which is widely used in petrochemical industry, aviation, electronic appliance, and so on. In recent years, amount of its requirement is increased rapidly.
铼是一种贵重的稀有金属，广泛应用于石油化工、航空、电子仪器等行业，近年来其需求量增长很快。
The special large sized alkali granite rare metal and rare-earth ores in Baerze of Nei Mongol is the new industrial type ore deposit first discovered in China with the scale in third place in Asian.
内蒙古巴尔哲碱性花岗岩稀有稀土特大型矿床是国内首次发现的一种新类型工业矿床，其规模居亚洲第三位。
The principle of liquid membrane technology and its application in pharmaceutical chemical engineering, extraction of rare metal, trace analysis and treatment of waste water are discussed in detail.
介绍了内电解法在制革废水处理中的运行机理、工艺流程以及在制革废水处理中的研究应用现状及研究新进展。
The key component is made from the metal cerium, which is almost as abundant as copper, unlike other rare and expensive metals frequently used as catalysts, such as platinum.
其核心部件是由金属铈制成，这种金属与铜一样储量广泛，而不像其它通常被用作催化剂的金属那样稀有和昂贵，例如铂。
Our modern world is one in which we find our lives shaped increasingly by appurtenances of plastic and metal, concrete and glass, and-apparently too-rare earths.
我们生活的现代世界是这样一个世界，我们的生活越来越多地由塑料和金属附属物，混凝土和玻璃，尤其是稀土所塑造。
Companies that buy these rare earths, including a few in Japan and the West, turn them into refined metal powders.
西方和一些日本公司买下这些提炼品，然后再把它们制成金属粉末。
The catalytic activities of other rare earth metal salts with different ligands were tested.
考察了带有不同配体的稀土金属催化剂对反应的影响。
The catalytic activities of other rare earth metal salts with different ligands were tested.
考察了带有不同配体的稀土金属催化剂对反应的影响。
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