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- Rapid determination of As,Sb,Bi,Hg in geochemical sample by HG AFS was researched. 本文研究了在王水分解样品后的同一份溶液中采用氢化物原子荧光光谱法连续测定砷、锑、铋、汞的方法。
- Aim To optimize the measurement condition of hydrocarbon in geochemical samples by ultraviolet spectrometry and fluorescence spectroscopy. 摘要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。
- Aminocarboxylic acid cellulose fliter was prepared as column filler to separate and enrich trace rare earth elements (REEs ) in geochemical samples. 本文制备了氨基羧酸纤维滤纸片作为柱填充物，成功地分离和富集了地化样品中的多种稀土元素。
- Methods The extracted liquid with petroleum ether from the geochemical samples in the north of Shaanxi was spectrally analyzed by using the optimized measurement condition. 方法用优化后的条件对陕北地区化探样品中芳烃的石油醚萃取液进行了光谱分析。
- AFS may be used for determining Se,As,Sb and Bi,Hg in the same mother solution with dual channel analysis of Se and Hg or Bi by means of improving decomposition and pretreatment methods,and detection conditions for geochemical samples. 在原子荧光光谱法中,通过改进地球化学样品的分解条件、预处理及测定条件,使硒与砷、锑以及铋、汞能在同一母液中测定,而且实现了硒与汞或铋的双道同时测定。
- regional geochemical sample analysis 区域地球化学样品分析
- GFAAS determination of Agand Cd i n geochemical samples 石墨炉原子吸收法测定化探样品中银和镉
- geochemical sampling 化探取样
- I spent a few days sampling the literature of social science. 我花了几天时间浏览有关社会科学的文献。
- Discussion on Abnormal Spot-Checking Methods in Geochemical Sample Analysis 地球化学调查样品测试异常值抽查方法的优化
- AFS for Se,As,Sb,Bi and Hg in Geochemical Samples in the Same Mother Solution 地球化学样品中的硒与砷、锑、铋、汞的原子荧光光谱法同母液测定
- It involves a subject known as isokinetic sampling. 这涉及所谓等速取样的问题。
- Comprehensive geochemical surveys are analysed. 广义的地球化学普查需要分析。
- The concept of sampling will be presented below. 关于采样的概念，后面将要说明。
- There are many applications for random sampling. 随机抽样有许多应用场合。
- Sampling techniques and practices II. 抽样技术及其应用2。
- Soil sampling error in agricultural environment. 农业环境中土壤取样误差研究。
- The Sampling Handling Ultrasonic R. 机器人超声测距数据采集处理。
- Instrumentation is not a substitute for sampling. 检测不能替代取样。
- Are closed sampling devices on board? 船上装有闭式取样装置吗?
