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在多因素的试验设计中,正交设计是应用最广的方法之一.应用正交设计来合理安排实验,可减少实验次数,选择最佳的实验条件,并给出误差大小的估计.单纯形法是近年来应用较多的一种试验最优化方法.其基本思想上从一个初始的单纯形开始,按照一定的法则进行推移,使单纯形不断地向最佳区域运动,从而选择最佳的分析条件.在石墨炉原子吸收测定水中痕量铜的方法研究中,我们分别用正交设计和改进单纯形最优化法来选择仪器的洲试参数,确定了干燥、灰化和原子化各阶段的最佳温度和时间,获得了满意的结果.
In the multi-factorial experimental design, orthogonal design is one of the most widely used methods.Using orthogonal design to arrange the experiment rationally can reduce the number of experiments, select the best experimental conditions, and give an estimate of the error size.Pure The shape method is a kind of experimental optimization method that has been applied more in recent years. The basic idea is that starting from an initial simplex and moving in accordance with certain rules, the simplex continuously moves to the best area so as to select the best In graphite furnace atomic absorption spectrometry method for the determination of trace amounts of copper in water, we use orthogonal design and improved simplex optimization method to select the instrument continent test parameters to determine the drying, ashing and atomization The optimal temperature and time of the stage achieved satisfactory results.