thorium a是什么意思

网络释义

用法例句

ICP-AES Determination of Micro-Amounts of Thorium in Flammable Poison(Gd,U)O_2 Chips After Anion-Exchange Separation;

阴离子交换分离-电感耦合等离子体原子发射光谱法测定可燃毒物(Gd,U)O_2芯块中微量钍

Study on Adsorption of Primary Amine to Thorium Contained in Leach of Rare-earth Mine;

伯氨树脂对稀土矿酸浸出液中钍的吸附研究

Spectrochemical Determination of Trace Thorium in Gd_2O_3;

化学光谱法测定三氧化二钆中微量钍

Extraction Mechanism of Th(Ⅳ)with Bis (2,4,4- Trimethylpentyl)phosphinic Acid from Hydrochloric Acid Medium;

二（2，4，4－三甲基戊基）膦酸从盐酸介质中萃取钍（Ⅳ）的机理

The study of analysis method of radio nuclide thorium in decorations surface stone material;

饰面石材中放射性核素钍的分析方法研究

The adsorption behaviour of U (Ⅳ) and U(Ⅵ) between five crown etherspolystyrene- divinylbenzene polymer stationary phase and hydrochloric acid system were studied.

成功地实现了铀（Ⅳ）与铀（Ⅵ）和铀（Ⅳ）与钍的分离。

AACK gives sensitive color reactions with RE, Th, Bi and Ca.

ＡＡＣＫ与稀土、钍、铋显色的选择性欠佳，与钙显色的选择性较好，故可作为测定钙的优良试剂。

This paper studies the tungsten electrode doped with rare earth oxides,including single oxide,double oxides and triple oxides,and their welding properties are also studied respectively.

钍钨电极具有放射性,其生产和使用过程中污染环境危害人类身体健康,因此需要新型电极产品加以替代,稀土钨电极焊接性能优良一直作为钍钨电极的替代产品而倍受关注,回顾课题组在稀土钨电极的研究历程,经过对单元稀土钨电极、二元复合稀土钨电极、三元复合稀土钨电极的研究,目前通过与北京钨钼材料厂合作,共同突破了多元复合稀土钨电极的工业化生产技术,实现了该类电极批量生产。