Technology and advances of supercritical fluid chelating extraction of radioactive metals;
超临界二氧化碳萃取放射性金属离子研究进展
~(40)Ar/~(39)Ar dating for the Jiajika pegmatite-type rare metal deposit in western Sichuan and its significance;
四川甲基卡伟晶岩型稀有金属矿床的成矿时代及其意义
This paper introduces the usage of important rare metal and the resources and development situation of the rare mental in China,and advances some concrete measures for protecting the important strategic materials and mineral resources.
介绍了重要稀有金属的用途和我国稀有金属资源与开发情况,提出了对重要的战略物资和矿产资源保护的具体措施。
China is rich in rare metal and rare earth element resource, current situation for some rare metal is still not ideal.
我国是稀有稀土金属资源储量丰富的国家,但部分稀有金属资源现状并不理想,随着高新科技的发展,稀有金属消耗量大增,每年都不得不从国外大量进口稀有金属精矿,因此加强稀有金属找矿,提高矿山采矿水平是当前必须解决的问题。
The metalogenic relationships between metasometism of rock body and rare metals of tantalum, niobium, lithium, rubidium and cesium etc are discussed, based on granite body' s rock phase subdividing and characteristics of rock evolution of Yashan, and metallogenetic mechanism and types of genesis of deposit are analysed.
根据雅山花岗岩体相带划分及岩体演化特征,论述岩体交代作用与Ta、Nb、Li、Rb、Cs等稀有金属的成矿关系,进而探讨矿床形成机制和成因类型。
With requred to the melting of rare metals the major issues are the development of melting technology, assurance of product quality, and increase in production efficiency.
真空自耗电弧炉是熔炼钛、锆等稀有金属的主要工业手段，如何提高熔炼工艺水平，保证产品质量，提高经济效益，已成为稀有金属行业广泛关注的问题。
Although the prices of copper and gold are lowering down in the international market,both of the prices and sales volume of rare metals are increasing,due to their more and more extensive application in the fields of aerospace,electronics,ceramics,metallurgy and other industries.
近年来国际市场上铜、金等主要金属价格狂跌不止，但稀有金属由于在电子、航空、陶瓷、冶金等领域中的应用越来越广而形势看好，并推动了矿床学界对稀有金属矿床的研究。
a radioactive metallic_element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor.
一种放射性金属元素，类似碲和铋，见于铀矿，但能通过用中子轰击铋的核反应制造。
a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons.
一种重且有毒的银白色放射性金属元素，有许多同位素，用于核燃料和核武器中。
a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead.
一种存在周期短的放射性金属元素，由铀形成，能分裂成锕然后分裂成铅。
cermet containing radioactive elements
含放射性元素的金属陶瓷
Some rare metals have radioactivity.
某些稀有金属具有放射性。
a radioactive element of the alkali-metal group discovered as a disintegration product of actinium.
一种碱金属属的放射性元素，是锕瓦解的产物。
Progress of the Synthesis of PET Radiopharmaceutical Mediated by Metal
金属参与的正电子放射性药物的合成进展
A small shallow metal container in which a radioactive substance is deposited for measurement of its activity.
样品皿用于存放放射性物质以测量其活性的小而浅的金属容器
Of or exhibiting radioactivity.
放射性的属于或表现出放射性的
This conflicted with views which held that no mineral should be more radioactive than metallic uraniurn.
这就与矿物质的放射性不应该高于金属铀的放射性这一观点相冲突。
a radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms.
一种放射性的超铀金属元素，在用氦原子轰击铀时发现。
cermet ,whether or not wrought (excl. those containing fissile or radioactive substances)
金属陶瓷,无论是否锻造(不包括含有可裂变或放射性物质者)
caseinate (excl. radioactive or precious metal caseinates)
酪蛋白盐（不包括放射性酪蛋白酸盐或贵金属酪蛋白酸盐）
an intensely radioactive metallic element that occurs in minute amounts in uranium ores.
一种放射性极强的金属元素，以极少量存在于铀矿中。
a radioactive transuranic metallic element; found in trace amounts in uranium ores; a by-product of the production of plutonium.
一种放射性超铀金属元素，在铀矿中有少量存在，是制造钚的副产品。
Research of Decontamination Technology for Radioactive Contamination on Metal by DEDM;
涂膜电解法去除金属材料表面放射性污染技术研究
UNECE' s SUGGESTIONS ON PREVENTION AND MANAGEMENT OF TRANS-BOUNDARY RADIOACTIVE SCRAP MENTAL
联合国欧洲经济委员会对跨国放射性废金属的监控和管理建议
Emission of photoelectrons, especially from metallic surfaces.
光电发射光电子的放射，尤指从金属表面