（3）固体微粒对光的散射二、物理干扰（Physical interference）物理干扰是指在原子化过程中，由于溶质或溶剂的物理性质（粘度、表面张力等）的变化引起的干扰。
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physical interference model 实体干扰模型
The spectral interference and physical interference from Fe to the spectral lines of the elements determined are investigated and corrected by the matrix maching and background correction methods.
研究了铁基体元素对被测元素光谱线的光谱干扰与物理干扰，采用背景扣除法与基体匹配法进行校正。
The "beats" are caused by small physical differences in mass that lead to those telltale interference effects.
而因它们质量上的微小差别而形成的“拍”引起了那些特征性的干涉效应。
Strata physical nature is good for geophysical prospecting in lqe coalfield, there are less interference in the area, while the spontaneous potential curve anomalies are clearly reflected.
鱼卡煤田地层物性条件较好，区内干扰较小，自然电位曲线异常反映比较明显。
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