Yet another rare earth metal, lanthanum, is a major ingredient for hybrid car batteries.
而另一种稀土金属镧,则是混合动力车电池的主要原料。
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。
Effects of rare earth metal salts with different ligands and amount of the catalyst on the reaction were studied.
考察了催化剂用量和带有不同配体的稀土金属催化剂对反应的影响。
The ion-absorbed rare earth metal deposit is a kind of mobel rare earth resource discovered in the 1970s in China.
离子吸附型稀土矿是我国70年代初发现的一种宝贵稀土资源。
Summary the paper presents developments of synthesis, characterization, and applications of rare earth metal containing polymers.
本文综述了含稀土聚合物的合成、性质以及应用等方面的研究进展。
In this paper, basic principle and thermodynamic process of the electrochemical deoxidation purified rare earth metal yttrium are firstly demonstrated.
本文还首次对电化学脱氧提纯稀土金属钇的基本原理和热力学过程进行了论证。
The structure changes of silk fiber with different weight gain, by using sericin fixing agent containing rare earth metal ion, were studied in this paper.
用稀土金属离子通过形成配位结合来固着丝胶,制备了不同增重率的丝纤维,研究了增重丝纤维结构变化。
Rare earth metal: Any of a large class of chemical elements including scandium (atomic number 21), yttrium (39), and the 15 elements from 57 (lanthanum) to 71.
稀土金属:一个化学元素大家族中的任何一种,包括钪(原子序21)、钇(原子序39)以及从57号元素(镧)到71号元素。
Cerium: chemical element, a rare earth metal of the lanthanide series (hence having many properties of the transition elements), chemical symbol ce, atomic number 58.
铈:化学元素,周期表iii b族过渡金属中丰度最大的稀土金属。化学符号Ce,原子序数58。
Many factors which may affect the catalytic behavior such as rare earth metal species, calcination temperature, reaction temperature, space speed and feed gas purity were studied.
并研究了不同稀土金属,不同焙烧温度,不同反应温度,不同空速条件及不同来源氢气等因素对催化性能的影响。
The influence of feeding rare earth metal wires in mould on mould flux properties for high carbon steel and low carbon steel of Baogang was studied in laboratory and on site as well.
通过实验室和现场试用两方面对结晶器喂稀土丝后稀土对包钢方坯连铸现用高碳钢、低碳钢保护渣使用性能影响进行了研究。
The influence of the oxygen balance of pyrotechnical combustion agent and the structure of its rare earth metal shell on the burning performance of the combined combustion element were studied.
分析了烟火燃烧剂的氧平衡及稀土壳体的结构对复合燃烧元件燃烧性能的影响,提供了复合燃烧元件的各项物化性能数据。
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 surface characteristics of evaporated rare-earth metal la thin film were studied by ex-situ and in-situ AES and molecular beam technique.
用俄歇谱及分子束技术就地与非就地研究了蒸发稀土金属镧薄膜的表面特性。
Chen's current research interests focus on the synthesis of reactive rare-earth metal complexes and their applications in small molecule activation, organic synthesis, and polymer synthesis.
目前陈耀峰博士的研究兴趣主要在活性稀土金属化合物的合成以其在小分子活化、有机合成和高分子合成中的应用。
So the conventional magneto-optical recording median, rare earth-transition metal (Re-Tm) alloys, is limited, because of its small Kerr rotation in the region of short wavelength.
因此传统的磁光记录介质-稀土金属与过渡组金属的合金就表现出局限性,因为这种材料在短波长范围的磁光效应很小。
The effects of the rare-earth to the surface of metal material are reviewed, and some trend to research improving the surface properties of metal material is introduced.
扼要总结了有关稀土在金属表面改性中的应用研究情况,分析了稀土在金属表面改性中的作用,并对其机理进行了初步探讨。
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。
The main attention has been paid on amorphous rare earth- transition metal alloy films for magneto-optical storage and amorphous semiconductor films for phase change optical storage.
我们主要注意磁光型存储的非晶态稀土-过渡金属合金薄膜和相变型光存储的非晶态半导体薄膜两个方面。
On Earth, for example, platinum and its allied elements, though rare at the surface, are reckoned more common in the planet's metal-rich core.
例如在地球上,铂和铂系元素在地表上虽然罕见,但人们认为在富含金属的地核里却是较为常见的。
The rich rare earth transition metal amorphous films were prepared by DC double target co sputtering method.
用直流共溅射方法制备了富稀土-过渡族金属非晶态合金薄膜。
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 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 catalyst is modified by a proper amount of the rare-earth metal oxide, so the catalyst has good catalytic performance; and the preparation process has simple operation.
该催化剂经适量稀土金属氧化物改性后,具有较好的催化性能,且制备过程操作简便。
Uses: it is used as the raw material of dysprosium metal and the additives of rare earth permanent magnets.
用途:供制作金属镝的原料及稀土永磁材料的添加剂。
The effect of adding rare earth elements, metals, metal carbides into cemented carbide, are summarized.
本文综述了向硬质合金中加入稀土元素、金属和金属碳化物对硬质合金性能的影响。
As the key material of nickel metal hydride batteries, rare-earth-based hydrogen storage alloy is one of the few alloys which are still widely used.
作为镍氢电池的关键材料,稀土系贮氢合金是目前为数极少的实用化合金之一。
The principal metal mineral resources in this area are tungsten, tin, niobium, tantalum, lead, zinc, antimony, mercury and heavy rare-earth elements.
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.
本区金属矿产资源以钨、锡、铌、钽、铅、锋,锑、汞及重稀土为主。
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