The working principle and construction of an instrument based on absorption spectrometry for on line detection of impurity eliminating end point in Li series polymerization are discussed.
研制了一台以吸收光谱法为基础的锂系聚合反应破杂终点在线测定仪。讨论了终点在线测定的化学理论依据，终点仪的工作原理和结构。
But improved earlier detection isn't the end of the line for HIV.
但改进的早期检测并不能终结HIV病毒。
But improved earlier detection isn't the end of the line for HIV.
但改进的早期检测并不能终结HIV病毒。
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