用于痕量元素分析,存储有机溶剂。
本文首先介绍了痕量元素的挥发模型。
Firstly, the model of the vaporization of trace elements was introduced.
及3我国某些地区若干痕量元素的背景值。
Background values of some trace elements of some from our country.
本文讨论了痕量元素分析中随机误差的规律性。
The regularity of random error of trace element analysis is discussed.
本文讨论了有关:1)痕量元素地球化学背景值;
This paper discuss; on : 1. Geochemical background values of trace elements;
痕量元素在飞灰中的富集,随飞灰粒径减小而增加。
The enrichment trend of trace elements in fly ash increases with particle size decreasing;
这种痕量元素就是使得偷得浮生半日闲更加令人惬意。
This subversive element is what makes the time stolen more pleasurable.
本文论述了生物材料的痕量元素分析前处理的一些基本要求。
In this paper, the main requirements of the pretreatment in analysing biological trace elements were discussed.
总结了一些微量元素和痕量元素对形变铝合金组织、性能的影响。
The effects of some trace elements on structures and properties of wrought aluminium alloys are summarized.
该文对煤燃烧过程中痕量元素排放的国内外研究现状进行了综述。
In this paper, an overview of trace elements research in coal combustion process is presented.
根据痕量元素特征对成岩构造环境、成岩物质来源和成岩方式进行了探讨。
Based on the trace element concerntrition, authors also discussed the tectonic environment source materials and processes of the petrogeney.
由这种岩石的痕量元素特征揭示的高压组成矿物,表明其有三种可能的成因。
The high pressure source mineralogy signaled by Andean adakite trace element characteristics originates in three ways.
本文对中温干法烟气脱硫过程联合脱除有毒痕量元素硒、砷的问题进行了研究。
This study concentrates on simultaneous removal of trace selenium and trace arsenic in the process of medium temperature dry flue gas desulfurization (MTD-FGD).
中子活化分析是一种有效的核分析技术,在微量和痕量元素分析中占有重要地位。
Neutron Activation Analysis(NAA) is a valid nuclear analytical technique, whichoccupy an important position in the chemical element analysis.
燃煤产生的细粒子富集了大量的有毒痕量元素,对大气环境和人类健康造成严重危害。
Pleotiful toxic trace elements enrich in submicron particles let by coal combustion, whichposed a serious threat on air environment and human health.
但是,无论是主元素还是痕量元素地球化学特征,均不能用单一的岩浆成因模型得到解释。
However, neither major element nor trace element geochemical characteristics can be explained by a simp le model of magmatic origin.
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。
As a new tool for trace-element analysis and elemental spatial distribution analysis in microarea, scanning proton microprobe (SPM) is becoming more noticeable.
仅用一套二氧化硅为基体的人工标准,就能测定多种单矿物中的25项伴生元素和痕量元素。
One single set of synthetic standards of silica matrix will suffice for the determination of as many as 25 associated elements and trace elements in a variety of minerals.
但应用于测定生物样品中微痕量元素的分析较少,这是由于生物样品中基体成分复杂的原因。
It is little used for analysis of biological samples because of the complicated matrix, in this thesis, MSF method is used to correct the complicated matrix interference.
因此Farihi认为痕量元素肯定来自另一来源:岩石行星的残骸形成的碎屑环,慢慢地向白矮星掉落。
So Farihi thinks that the trace elements must have come from another source: remnants of rocky planets, forming a ring of debris that slowly rains down on the white dwarf.
对煤燃烧过程中氮氧化物的前驱体、有害痕量元素及亚微米颗粒物的排放与控制进行了系统的研究。
A systematic study on emissions and control of nitrogen oxide, toxic trace elements and submicrometer particles during coal combustion was conducted.
本文对甲壳素及其衍生物在痕量元素及其形态分析中的应用研究进行了综述。引用参考文献46篇。
Application of chitin and its derivations to trace elements analysis and elemental speciation are reviewed in this paper. 46 references are given.
阐述了新一代ICP - MS在有色金属材料痕量元素检测分析中质谱干扰和非质谱干扰问题及其克服新技术。
It discusses the mass spectral interference and non-interference in the detection of trace elements in non-ferrous materials by using a new generation of ICP-MS and its new technology.
结果表明,制浆过程中洗煤、煤浆颗粒的较大体积和燃烧温度较低等对燃烧过程中痕量元素的排放具有一定的抑制作用。
Results show that the bigger particle size in preparation of CWS and coal washing, as well as the lower combustion temperature have suppressing effect for emission of trace elements.
热力学计算也表明不同气氛下痕量元素的形态变化过程有很大差异,还原气氛下痕量元素会生成不稳定的次氧化物和还原性产物。
The thermodynamics calculation also indicate the transformation of trace metal was different with different atmosphere, suboxidized and reduced species were more easily formed under reduced condition.
基于量子化学过渡态理论,确定了基元反应,并给出其动力参数的求解过程,提出了采用量子化学理论研究痕量元素反应机理的重点和方向。
The fundamental elements reaction has been determined on the basis of transition state theory in the quantum chemistry, and the resolving process of its kinetic parameters…
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。
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.
建立了一种电感耦合等离子体质谱法测定茴香调味品中痕量稀土元素的方法。
A method has been established to determine trace rare earth elements in fennel spice by inductively coupled plasma mass spectrometry.
建立了一种电感耦合等离子体质谱法测定茴香调味品中痕量稀土元素的方法。
A method has been established to determine trace rare earth elements in fennel spice by inductively coupled plasma mass spectrometry.
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