For trace element analysis, storage of organic solvents.
用于痕量元素分析，存储有机溶剂。
The regularity of random error of trace element analysis is discussed.
本文讨论了痕量元素分析中随机误差的规律性。
This formula shows the connection of detect limit, content and random error in different trace element analysis.
数学表达式表明了检出限、含量和随机误差的关系。
The results of trace element analysis of regional stratigraphy show that slightly metamorphosed pre Devonian clastic rocks are main source strata for gold and antimony deposits.
区域地层岩石中微量元素分析结果显示，前泥盆系浅变质碎屑岩是主要的矿源层。
Excavation and trace element analysis indicates: Jehol biota experienced mass mortality and rapid burial; toxic gases of the volcanic activities are the main factors of biological catastrophic event.
化石发掘和微量元素分析表明，热河生物群经历了集群死亡和快速掩埋，火山活动的有毒气体是生物灾难事件的主要因素。
The results showed that the Neolithic pottery from the three sites could be completely divided by the factor analysis of trace element content.
结果表明：微量元素含量的因子分析能将三遗址新石器时代古陶区分开；
The prospect and problems of speciation analysis of trace element in Traditional Chinese Medicine were also discussed.
探讨了中药中微量元素形态分析方法的前景及存在的问题。
As a new tool for trace-element analysis and elemental spatial distribution analysis in microarea, scanning proton microprobe (SPM) is becoming more noticeable.
扫描核探针技术作为一种新的微区痕量元素分析及元素微区分布分析手段越来越引人注目。
Through investigation analysis it is confirmed finally that trace metal element lacks to cause the sludge bulking.
经过调查分析，最后确认污泥膨胀是由微量金属元素缺乏所致。
The application of the hollow cathode discharge source in the trace amount element analysis is recommended.
并介绍了空心阴极光源在痕量分析上的应用。
An analysis of trace element and oxide enrichment pattern is carried out by using factor analysis method.
利用因子分析法对微量元素和氧化物的富集规律及其环境意义进行了探讨。
ICP-AES analysis method, which is bing used widely, is a good way to measure the main, subordination, trace and super -trace element at the same time.
ICP - AES分析法，以其优异的分析性能被广泛应用于各种材料的主要、次要，痕量、超痕量多元素的同时分析。
The experimental instrument, sample preparation and determination method of the trace element Se in solution by total reflection X-ray fluorescence analysis are described in this paper.
本文叙述了用全反射X荧光分析方法测定溶液中微量硒的实验装置、制样技术和测定方法。
The experimental instrument, sample preparation and determination method of the trace element Se in solution by total reflection X-ray fluorescence analysis are described in this paper.
本文叙述了用全反射X荧光分析方法测定溶液中微量硒的实验装置、制样技术和测定方法。
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