An improved fluorometric method for determining total estriol (E3) in pregnancy urine was introduced.

用改良荧光比色法测定孕妇尿中雌三醇(e3)含量。

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The methods for determining local phase fraction from the outputs of the probe were also discussed and an improved one was put forward compared with threshold method.

同时，本文提出了由探针输出信号确定相份额的新方法，该方法比阈值法准确、可靠。

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An improved analysis method for determining iron content in sodium fluosilicate product was introduced.

介绍了一种改进的测定氟硅酸钠产品中铁含量的分析方法。

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