In this paper,the principle and characteristics of Th normalization are introduced by using Th normalization techniques which relate to mineralization with information on element migration.
介绍了钍归一化的原理及特点,采用与矿化有关的元素迁移信息的钍归一化方法,分析了二连盆地东部的γ能谱资料,揭示了该区放射性元素的分布特征、地球化学作用和后期铀元素的迁移与富集。
Determination of thorium dioxide in thorium-tungsten alloys--Weight method
GB/T3312-1982钨钍合金中二氧化钍的测定重量法
This is essentially a development of thoria dispersion strengthened nickel alloys.
这基本上是用二氧化钍弥散强度化的镍基合金。
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
determination of mass concentration of sulphur dioxide in ambient air (thorin spectrophotometric method)
环境空气中二氧化硫质量浓度的测定-钍试剂分光光度测定法
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 Trace Thorium in Triuranium Octoxide by Isotope Dilution Inductively Coupled Plasma Mass Spectrometry
同位素稀释-电感耦合等离子体质谱法测定八氧化三铀中微量钍
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
Uranium and thorium in physical or chemical form or the mixture of uranium and thorium, excluding the nuclear fuel indicated in Article 3.
二任何物理或化学形式之铀、钍或二者之混合物；但不包括第三条所指之核子燃料在内。
ferric oxide
三氧化二铁, 氧化铁
sulphurous anhydride [ oxide ]
二氧化硫, 亚硫酐
Study on Fe_2O_3-MnO_2-TiO_2/γ-Al_2O_3 oxidative catalyst for organic wastewater
有机废水氧化催化剂氧化铁-二氧化锰-二氧化钛/γ-氧化铝的研究
diisopropyl peroxy dicarbonate
过氧化二碳酸二异丙酯
dicyclohexyl peroxydicarbonate
过氧化二碳酸二环已酯
having carbonation (especially artificially carbonated).
有二氧化碳的（特别是人造二氧化碳的）。
Treatment of 2, 4-dichlorophynoxyacetic Acid by Catalytic Ozonation;
催化臭氧氧化2，4-二氯苯氧乙酸
bicyclopentadiene dioxide epoxy resin
二氧化双环戊二烯环氧树脂
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
Sinuitaneous Determination of Uranium and Thorium with Caliscal Least Square Method;
经典最小二乘法同时测定铀矿石中铀和钍