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- The hydrogenating agent and operation condition has been optimized.The matrix interference has been studied. 优化了氢化条件,选择了最佳仪器参数,研究了氧化铌基体对氢化物测定的影响。
- Objective: To establish a method for effective elimination of the matrix interference when determining Pb by GFAAS. 目的:建立一种可以有效消除干扰石墨炉原子吸收光谱法测定水中铅的方法。
- Objective:To establish a method for effective elimination of the matrix interference when determining Pb by GFAAS. 目的:建立一种可以有效消除干扰石墨炉原子吸收光谱法测定水中铅的方法。
- 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. 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。
- Conclusion: Microwave-Digestion-GFAAS adding L-Ascorbic acid as matrix modifiers can eliminate matrix interference effectively and the RSD and recoveries are improved obviously. 结论:采用微波消化法前处理样品,结合选用有机基体改进剂使基体干扰严重现象减轻,方法精密度、回收率分析结果得到提高。
- Proper spectral lines were selected through FACT software in ICP-AES spectrometer, avoiding matrix interference and spectral interference between elements. 通过ICP-AES仪器的FACT软件,选择合适的分析谱线,避免了基体干扰和元素之间的光谱干扰。
- The simultaneous determination of multi-element in soil by ICP-AES with a CCD and the method for correction of matrix interference effect are studied and compared. 文章研究了用电荷-耦合装置电感耦合等离子体发射光谱同时测定土壤中多种元素,并对校正基体干扰效应的方法进行了研究和比较。
- In the determination of residual pesticides in onion, garlic and chives by GC-MS, the sample was treated with phosphoric acid or with microwave before crushing, to make the allinase inactive and to eliminate the matrix interference. 摘要采用气相色谱及质谱联用技术,测定葱、蒜及韭菜等蔬菜中多种农药残留量时,在粉碎试样之前,用磷酸或微波加热处理试样,可使蒜酶钝化并消除其基体干扰。
- Objective To select a matrix modifier,which can effectively eliminate the matrix interference in the determination of chromium in cosmetics by graphite furnace atomic absorption spectrometry(GFAAS). 目的选择一种能够有效消除石墨炉原子吸收法测定化妆品中铬的基体干扰的基体改进剂。
- To eliminate the matrix interference and interferences of some co-existing elements,standard addition method was used in the determination of Lead and cadmium. 铅和镉含量甚微,受基体及共存元素干扰严重,用标准加入法消除干扰。
- Matrix interferences were eliminated by the matching method in the preparation of calibration curves. 在制备校正曲线时采用基体匹配法消除了基体干扰。
- He hates interference with his work. 他厌恶别人妨碍他的工作。
- Her interference was not warranted. 她干涉得毫无道理。
- He will not brook any interference. 他不会容忍他人的任何干涉。
- I don't want any interference from you! 我用不著你来干涉!
- I resented his interference in my affairs. 我很不满他干预我的私事。
- A term sometimes applied to a stylus in a thermal matrix printer. 有时用来指热敏点阵打印机的触针的一个术语。
- The number of rows or columns in a determinant or matrix. 行列数行列式或矩阵中行或列的数目
- Her mother's interference exacerbated the difficulties in their marriage. 她母亲从中干预使他们的婚姻雪上加霜。
- A matrix used in constructing a symbol or character image on a display screen. 用来在显示屏幕上构造出一个符号或字符图象的一种点阵。