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作者介绍作者最新研制出来的ＢＹ－Ⅰ型微量元素分析仪的工作原理、特点以及仪器硬、软件结构及功能。该分析仪能测定出含量仅为十亿分之几的多种微量元素，其相对误差为３％～１０％，变异系数小于１０％，而价格却只有原子吸收光谱仪等大型精密仪器的十几分之一，具有很大的实用意义。可广泛应用于医学及环保等领域。
The author introduces the working principle and features of the newly developed BY-I trace element analyzer and the hardware and software structure and function of the instrument. The analyzer can determine many trace elements with a content of only a few parts per billion. The relative error is 3% to 10%, the coefficient of variation is less than 10%, and the price is only a dozen of large precision instruments such as atomic absorption spectrometers. One of the points has great practical significance. Can be widely used in medicine and environmental protection and other fields.