1.
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
2.
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。
3.
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
4.
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
5.
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
6.
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
7.
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
8.
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
9.
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
10.
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
11.
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
12.
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
13.
Conceptual Design of Passive Moderator System for Thorium-based Advanced CANDU Reactor
钍基先进坎杜堆非能动慢化剂系统概念设计
14.
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
15.
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
16.
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
17.
A few elements, among them uranium and thorium, spontaneously disintegrate into lighter elements by chances.
少数元素，其中有铀和钍，通过它们核的变化自然蜕变成较轻的元素。
18.
U,Cu,Pb,Zn and Tu in 1:50000 regional geochemistry sample by scattering background internal standard method
散射背景内标法测定1:5万区域地球化学调查样品中铀、铜、铅、锌、钍