Arsenic is separated from the bismuth matrix by ion exchange method and determined by hydride generation atomic absorption spectrophotometry.
该方法用离子交换将砷同基体铋分离，然后用氢化物发生原子吸收光谱法测定。
A three-dimensional transfer matrix model was presented to simulate the sound absorption coefficients of the graded polyurethanes based on relation of stress and strain of polymers.
根据高分子材料中三维应力应变关系建立了三维传递矩阵数学模型，模拟梯度聚氨酯在不同入射角下的吸声性能。
Aluminum in the wet-digested food was determined by tantalum-coated graphite tube-graphite furnace atomic absorption spectrometry with matrix modifier.
样品经湿法消解后，在基体改进剂作用下，采用涂钽石墨管、塞曼校正石墨炉原子吸收光谱法测定食品中铝含量。
A flow injection on-line coprecipitation system has been coupled with an atomic absorption spectrometric system for the determination of trace calcium in bulk of cobalt and nickel matrix.
流动注射在线共沉淀分离富集-火焰原子吸收法现场快速测定钴镍基体中的微量钙。
Lead into the complex refractive index and make use of the characteristic matrix method, the photonic bandgap of te wave and TM wave with the variety of the absorption were studied.
引入复折射率并利用特征矩阵法，研究了光子晶体的吸收对TE波和TM波的禁带的影响。
A method for the determination of gallium by the tantalum foil-lined graphite furnace atomic absorption spectrometry with vanadium and copper as mixed matrix modifier has been investigated.
提出用钒和铜混合基体改进剂衬钽管石墨炉原子吸收测定镓的方法。
Based on the theory of X-ray diffraction and absorption, a method for measuring the thickness of film material according to the diffraction intensity of the matrix below film was established.
基于X射线衍射与吸收理论，提出一种薄膜厚度测量方法即膜下基体衍射法。
The interferences of matrix components(in chlorides) with chromium absorption in electrothermal atomic absorption spectrometry(ETAAS) were investigated.
本文研究了电热原子吸收光谱测定痕量铬时几种常见金属离子的干扰作用。
Determination of trace Ba in water by graphite furnace atomic absorption spectrometry is studied. The optimum graphite tube, heating programs and matrix modifier are investigated.
通过一系列条件试验，研究了石墨炉原子吸收光谱法测定水中微量钡的石墨管类型、最佳加热程序和最佳基体改进剂等。
Using the density matrix theory describes the absorption and dispersion properties of the detecting light.
用密度矩阵理论描述了系统对探测光的吸收和色散性质。
In XRF analysis process, the absorption intensification-matrix effect obviously exist, for the source and formation conditions of the analysed elements' parent materials are different.
在X射线荧光分析过程中，由于分析样品中元素的母质来源及形成条件不同，存在明显的吸收增强-基体效应。
Methods: Pretest samples using mixed acid, and magnesium was adopted as matrix modifier to determine by graphite furnace atomic absorption spectrometry.
方法：利用混合酸对样品进行消化处理，镁作为基体改进剂，石墨炉原子吸收光谱法测定。
OBJECTIVE To prepare glimepiride gel-matrix controlled-release patch and to investigate its antihyperglycemic effects in normal rats after transdermal absorption.
目的研制格列美脲凝胶骨架控释贴剂，并评价其经皮吸收对正常大鼠的降血糖作用。
The results reveal that the deforming behavior and the energy absorption properties of aluminum foams are significantly affected by the property of their matrix.
结果表明，基体性能对泡沫铝的压缩行为和吸能性有显著影响。
The mechanism of gallium atomization by graphite furnace atomic absorption spectrometry has been proposed. The enhancement effect of matrix modification is discussed.
提出了石墨炉原子吸收法测定镓时原子化机理，探讨了基体增敏作用的机理。
Contrarily, exceed 20vol% the filling to the matrix, BaTiO_3 could improve microwave absorption performance of the composite greatly.
当体积百分含量超过20%时，钛酸钡的包覆提高了复合材料的吸波效能。
Contrarily, exceed 20vol% the filling to the matrix, BaTiO_3 could improve microwave absorption performance of the composite greatly.
当体积百分含量超过20%时，钛酸钡的包覆提高了复合材料的吸波效能。
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