1)  geochemical samples
化探样
2)  geochemical samples
化探样品
1.
Aim To optimize the measurement condition of hydrocarbon in geochemical samples by ultraviolet spectrometry and fluorescence spectroscopy.
目的用紫外分光光度法及荧光分光光度法优化化探样品中芳烃的测试条件。
2.
A determination method of trace platinum in geochemical samples by chemical spectrometry with airtight dissolution and active carbon absorption has been developed.
通过对介质酸度、缓冲剂、活性炭用量进行试验,建立针对化探样品中痕量铂的测定方法。
3.
It has been reported that the Excel 2003 method can be used for quality control of analytical data of geochemical samples with the windowsXP operating system.
通过对国家一级标准物质GBW-07242~47中金含量分析检测结果的统计表明,可以有效地快速判定1∶50 000和1∶200 000化探样品分析检测结果是否超差,批次分析结果合格率是否达标。
3)  Geochemical sample
化探样品
1.
Artificial neural network (ANN) was applied to the simultaneous determination of gold species (water extractable species, adsorpted species and organic species) in geochemical samples.
利用人工神经网络对化探样品中金的三种存在形态(水提取态、吸附态、有机态)的含量同时进行了预测,计算结果与传统浸取方法的结果相吻合,相对误差一般小于10%,相对标准偏差在1。
4)  geochemical exploration sample
化探样品
1.
A new method which can directly and simultaneously test the value of As, Sb, Bi, Hg in geochemical exploration samples by atomic fluorescence spectrometry in reducible medium is introduced.
研究了还原性介质中原子荧光光谱法直接连续测定化探样品中As、Sb、Bi、Hg的方法。
2.
The micro-amount of Ag in geochemical exploration samples is determined by graphite furnace atomic absorption spectrometry in 10 g/L of thiourea medium.
样品经王水分解,硫脲提取,石墨炉原子吸收光谱法测定化探样品中的微量银。
5)  geochemical exploration samples
化探样品
1.
The proposed method has been applied to the determination of trace arsenic in geochemical exploration samples with satisfactory results.
用鲁米诺-双氧水-铬(Ⅲ)化学发光体系结合巯基棉对As(Ⅲ)的富集分离,建立了快速的测定化探样品中痕量砷的新方法,检测线性范围为1。
6)  chemical prospecting sample
化探样品
1.
Determination of gold in chemical prospecting sample by graphite furnace atomic absorption spectroscopy after solvent extraction-antiextraction;
萃取反萃取石墨炉原子吸收光谱法测定化探样品中的微量金
2.
The study of continuous determination of An, Ag, Ga in chemical prospecting sample by GFAAS;
石墨炉原子吸收光谱法连续测定化探样品中金、银、镓的研究
3.
Continuous determination of trace gold and silver in chemical prospecting sample by graphite furnace atomic absorption spectroscopy after solvent extraction;
溶剂萃取石墨炉原子吸收光谱法连续测定化探样品中的微量金和银
参考词条
补充资料:化探
分子式:
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性质:系统地测量和研究各类天然物质中与自然资源有关的地球化学指标,进行资源勘查或预测的方法。地球化学找矿作为一种探矿方法,简称为化探。由于近年来在理论上、方法上、技术上及效果上的迅速发展,它已经从一种单一的直接找矿方法发展成为一门新兴的独立应用学科--勘查地球化学,形成了自己独立的理论基础和应用体系,但在文献中仍习惯上简称为化探。根据勘查对象和方法的不同,它区分为金属矿化探、非金属矿化探、油气化探、地热化探、航空化探、海洋化探和区域化探等。

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