a radioactive mineral consisting of thorium silicate; it is a source of thorium that is found in coarse granite.
一种放射性矿物，由硅酸钍组成，是钍的来源，见于粗糙的花岗岩中。
Methods for chemical analysis of thorium nitrate--Determination of silicon content
GB/T16478.8-1996硝酸钍化学分析方法硅量的测定
Methods for chemical analysis of thorium nitrate--Determination of thorium content
GB/T16478.2-1996硝酸钍化学分析方法钍量的测定
COMPLEX FORMATION OF Th(edta)CHELATE WITH SOME AMINO-ACIDS
乙二胺四乙酸根合钍与某些氨基酸的络合反应
Methods for chemical analysis of thorium nitrate--Determination of chlorine content
GB/T16478.5-1996硝酸钍化学分析方法氯量的测定
Method for chemical analysis of thorium nitrate--Insoluble substance in water
GB/T16478.1-1996硝酸钍化学分析方法水溶解试验
Methods for chemical analysis of thorium nitrate--Determination of lead content
GB/T16478.11-1996硝酸钍化学分析方法铅量的测定
Methods for chemical analysis of thorium nitrate--Determination of uranium content
GB/T16478.9-1996硝酸钍化学分析方法铀量的测定
Comparison of extraction of U(Ⅵ), Th(Ⅳ) from nitric acid media by disulfoxides and TBP
亚砜和磷酸三丁酯对铀(Ⅵ)、钍(Ⅳ)萃取行为的比较
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
COMPLEXES OF Th(NO_3)_4·6H_2O AND UO_2(NO_3)_2 6H_2O WITH MACROCYCLIC POLYETHER 2,4-DI-KETO-16-CROWN-5 SYNTHESIS AND CHARACTERIZATION
硝酸钍及硝酸铀酰与2,4-二酮16-冠-5络合物的合成和性质
Methods for chemical analysis of rare earth chloride and carbonate--Determination of thorium oxide content
GB/T16484.4-1996氯化稀土、碳酸稀土化学分析方法氧化钍量的测定
determination of the mass concentration of sulfur dioxide(hydrogen peroxide/barium perchlorate/thorin method)
二氧化硫的质量浓度的测定-过氧化氢/高氯酸钡/钍试剂法
Methods for chemical analysis of aluminium fluoride for industrial use--The distillation-thorium nitrate volumetric method for the determination of fluoride content
GB/T8156.3-1987工业用氟化铝化学分析方法蒸馏--硝酸钍容量法测定氟量
Methods for chemical analysis of iron ores--The thorium nitrate volumetric rnethod for the determination of fluorine content
GB/T6730.26-1986铁矿石化学分析方法硝酸钍容量法测定氟量
Methods for chemical analysis of sodium fluoride--The distillation-nitric thorium volumetric method for the determination of fluorine content
GB/T8158.2-1987氟化钠化学分析方法蒸馏-硝酸钍容量法测定氟量
POLAROGRAPHIC STUDIES OF ORGANIC REAGENTS Ⅰ. POLAROGRAPHIC STUDIES OF "THORON" "ZIRCONON" AND BENZENEARSONIC ACID
有机试剂的极谱研究——Ⅰ.钍试剂、锆试剂和苯胂酸的极谱研究
Snthesis of Bisazo Fluoroarsenazo Reagents of Chromotropic Acid and Their Color Reaction with Thoriumy;
变色酸双偶氮氟胂型显色剂的合成及其与钍的显色反应研究