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大气微粒物质
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  atmospheric particulate matter
     Direct determination of trace indium in atmospheric particulate matter was done by graphite probe furnace atomic absorption spectrometry after the collection with a graphite probe filter.
     采用一定气孔性的石墨探针直接收集大气微粒物质(APM),然后,立即采用石墨探针炉原于吸收法测定收集在探针上的APM中痕量铟。
短句来源
     Determination of Trace Iron in Atmospheric Particulate Matter by Graphite Probe Filter Collection and Graphite Furnace Atomic Absorption Spectrometry
     石墨探针采样/石墨炉原子吸收光谱测定大气微粒物质中的痕量铁
短句来源
     Direct Collection of Trace Manganese in Atmospheric Particulate Matter with Graphite Probe Filters and Determination by Graphite Probe Furnace Atomic Absorption Spectrometry
     石墨探针采集/原子吸收法测定大气微粒物质中痕量锰
短句来源
     After atmospheric particulate matter was directly collected with graphite probe filters,the trace cadmium in APM was determined by graphite probe furnace atomic absorption spectrometry.
     本文采用多孔石墨探针直接采集大气微粒物质(APM)后,立即用石墨探针炉原子吸收法测定收集在探针上的APM中的镉。
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  “大气微粒物质”译为未确定词的双语例句
     Direct determination of trace copper in atmospheric par-ticulate matter was done by graphite probe furnace atomic absorption spectrometry after collection with a graphite probe filter.
     采用一定规格的石墨探针可直接收集大气微粒物质(APM)。 然后,立即采用石墨探针炉原子吸收光谱测定收集在探针上的APM中痕量铜。
短句来源
  相似匹配句对
     Basic knowledge of analytical reagents-biological material of high molecular weight
     生物高分子物质
短句来源
     On Substance
     论物质
短句来源
     Direct Collection of Trace Manganese in Atmospheric Particulate Matter with Graphite Probe Filters and Determination by Graphite Probe Furnace Atomic Absorption Spectrometry
     石墨探针采集/原子吸收法测定大气微粒物质中痕量锰
短句来源
     Determination of Trace Iron in Atmospheric Particulate Matter by Graphite Probe Filter Collection and Graphite Furnace Atomic Absorption Spectrometry
     石墨探针采样/石墨炉原子吸收光谱测定大气微粒物质中的痕量铁
短句来源
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  atmospheric particulate matter
Distribution and source apportionment of Polycyclic aromatic hydrocarbons from atmospheric particulate matter PM2.5 in Beijing
      
Concentration and clean-up of trace hydrocarbons from atmospheric particulate matter
      
Determination of polycyclic aromatic hydrocarbons in atmospheric particulate matter of Valencia city
      
Polycyclic aromatic hydrocarbons (PAHs) were determined in atmospheric particulate matter in 11 sites of the Valencia area and at several times during the year.
      
A method is described for measuring the gold content of integral and size-segregated samples of atmospheric particulate matter.
      
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Direct determination of aluminium in atmospheric particulate matter (APM) was done using an integrated filtration and analysis system. The filtration and analysis system consisted of a porous electrographite plate which was used for the purpose of filtering APM and subsequently as a probe in graphite probe furnace atomic absorption spectrometry. The memory effect observed with higher amounts of aluminium were eliminated by reducing filtration times to below the amounts that produce memory effect. No memory effect...

Direct determination of aluminium in atmospheric particulate matter (APM) was done using an integrated filtration and analysis system. The filtration and analysis system consisted of a porous electrographite plate which was used for the purpose of filtering APM and subsequently as a probe in graphite probe furnace atomic absorption spectrometry. The memory effect observed with higher amounts of aluminium were eliminated by reducing filtration times to below the amounts that produce memory effect. No memory effect was observed with less than 2. 5ng of aqueous standard of aluminium when magnesium nitrate was used as a chemical modifier for aluminium. The absorbance range (Peak-area mode) without memory effect was below 0. 25 A. s for aluminium. The analytical calibration curve for the aqueous standard of aluminium (Peak-area mode) showed excellent linearity in the range of absorbance. The result of analysis of the National Bureau of Standards (NBS), Standard Reference Material (SRM) No. 1648, Urban Particulate Matter , gave recovery of 101% and a precision of 3. 8% R. S. D. for aluminium. The result of analysis of APM in our laboratory atmosphere was Al 749ng/m3, precision 8. 1% R. S. D.

一定规格的多孔石墨探针可在一特制的过滤装置中直接收集大气微粒物质(APM),通过石墨探针炉原子吸收光谱(GPFAAS)直接测定其中痕量铝的含量。采用基体改良剂Mg(NO_3)_2,含量低于2.5ng,吸光度(峰面积方式)低于0.25的铝,其分析校正曲线显示良好的线性且无记忆效应发生。采用本法测定标准参比材料(SRM 1604,城市微粒物质),铝的回收率为101%,相对标准偏差为3.8%,测定实验室大气微粒物质中铝的含量为749ng/m~3,相对标准偏差为8.1%。

Direct determination of trace copper in atmospheric par-ticulate matter was done by graphite probe furnace atomic absorption spectrometry after collection with a graphite probe filter. The new method was simple and rapid. The concentration of copper and ahsorbance (peak-area mode) showed excellent linear relation in the range of 0- 550 ng/ml. The characteristic mass and detection limit of copper were 22. Ong and 6. 6ng/ml, respectively. The results of analysis of the National Bureau of Standard (NBS), Standard...

Direct determination of trace copper in atmospheric par-ticulate matter was done by graphite probe furnace atomic absorption spectrometry after collection with a graphite probe filter. The new method was simple and rapid. The concentration of copper and ahsorbance (peak-area mode) showed excellent linear relation in the range of 0- 550 ng/ml. The characteristic mass and detection limit of copper were 22. Ong and 6. 6ng/ml, respectively. The results of analysis of the National Bureau of Standard (NBS), Standard Reference Material (SRM) No. 1648, urban paniculate matter, gave recovery of 98% and a precision of 3. 3% RSD.

采用一定规格的石墨探针可直接收集大气微粒物质(APM)。然后,立即采用石墨探针炉原子吸收光谱测定收集在探针上的APM中痕量铜。方法简便,快速。在0-550ng/mL范围内,铜的浓度与峰面积吸光度咪良好的线性关系。铜的特征量为22.0pg,检出限为6.6ng/mL。分析标准参比材料,铜的回收率达98%,相对标准偏差为3.3%。

Direct determination of trace indium in atmospheric particulate matter was done by graphite probe furnace atomic absorption spectrometry after the collection with a graphite probe filter. The method was accurate, sensitive, simple 1 and rapid. The concentration of indium and the absorbance (Peak-area mode) showed an excellent linear relation in the range of 0-50ng/ml. The memory effect was produced when the concentration of indium exceeded 300ng/ml.The characteristic mass and detection limit of indium were 4....

Direct determination of trace indium in atmospheric particulate matter was done by graphite probe furnace atomic absorption spectrometry after the collection with a graphite probe filter. The method was accurate, sensitive, simple 1 and rapid. The concentration of indium and the absorbance (Peak-area mode) showed an excellent linear relation in the range of 0-50ng/ml. The memory effect was produced when the concentration of indium exceeded 300ng/ml.The characteristic mass and detection limit of indium were 4. 8pg and 21.5gp,respectively. The results of analysis of the National Brueau of Standard (NBS), Standard Reference Material (SRM) No. 1864, Urban Particulate Matter, gave a recovery of 92. 4108. 434 and a precision of 8.1% RSD.

采用一定气孔性的石墨探针直接收集大气微粒物质(APM),然后,立即采用石墨探针炉原于吸收法测定收集在探针上的APM中痕量铟。方法准确、灵敏、简便、快速。在0~50ng/ml范围内,铟的浓度与峰面积吸光度呈良好的线性关系。铟的浓度大于300ng/ml时,产生记忆效应。铟的特征量为4.8pg,检测限为21.5Pg。分析标准参比材料,铟的回收率为92.4~108.4%,相对标准偏差为8.1%。

 
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