2) geochemical samples
地球化学样品
1.
Determination of vanadium and chromium in geochemical samples by inductively coupled plasma mass spectrometry with collision cell technology
碰撞池-电感耦合等离子体质谱法测定地球化学样品中钒和铬
2.
The geochemical samples were prepared by decomposding with the mixture of HF-HCl-HNO3-HClO4,and then dissolving the residue with 8%(V/V)HNO3.
水系沉积物、土壤等试样用HF-HCl-HNO3-HClO4混酸消解后,以8%(V/V)HNO3溶解干渣,建立了测定地球化学样品中La,Y,Ba 3种微量元素的电感耦合等离子体发射光谱(ICP-OES)方法。
3.
In this thesis, a sequential partial dissolution technique was developed to partition selenium speciation in geochemical samples into association with “operationally” defined phases .
研究开发了一种硒的循序偏提取步骤，将地球化学样品中的硒选择性地循序提取到六个“操作上”定义的相态中：水溶性硒（水提取）；吸附在氧化矿物和粘土矿物上配位可交换的亚硒酸根离子（０。
3) chemical reference materials
化学标准样品
1.
Based on the experience in preparation of chemical reference materials of metals for chemical analysis and in their homogeneity check test with flame atomic absorption spectrometric instruments.
根据本所多年制作金属化学标准样品和用原子吸收光谱仪器进行各种标准样品均匀性复检的实际工作经验,对全国通用的该均匀性复检的统计数学模式所存在的问题从数理和实际运用上加以探讨。
4) geochemical sample
地球化学样品
1.
Design and realization of quality control system of geochemical sample analysis;
地球化学样品分析质量控制系统设计与实现
2.
A method for the direct determination of tellurium in geochemical samples by hydride generation-atomic fluorescence spectrometry(HGAFS) was established.
采用硝酸-氢氟酸-高氯酸溶解样品,以Fe3+作减缓剂,不需分离富集,用氢化物发生-原子荧光光谱法直接测定地球化学样品中痕量碲。
3.
According to the bottom drill electrode powder emission spectra method,Ag、B、Sn in the geochemical samples can be measured directly,which appears to be rapid and excellent in reproduction quality,fits for the samples of high Ca、Fe and organism.
采用底部钻孔电极粉末发射光谱法直接测定地球化学样品中银、硼、锡,方法快速、重现性好,适应于基体中钙、铁和有机质较高的样品,经与富含钙铁标准物质数据比较,结果相吻合。
5) Medical sample
医学样品
6) geologycal sampel
地学样品
1.
<Abstrat>In this paper,the present condition of 13 kinds testing technigue in geologycal sampel analysis are comprehensively discussed, and the developing tendency in the future is put forword.
综述了地学样品分析方面的13种测试技术的现状,提出了今后的必然发展趋势。
补充资料：工程化学障碍物(见化学障碍物)
工程化学障碍物(见化学障碍物)
engineering-chemical obstacle
习U·上日、11匕I一9 nuQXue Zhang’aiwu工程化学障碍物(engineelsng一ehemiealobstacle)见化学障碍物。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条