求翻译：and extraction time (5–30 min) were studied for the optimization of the extraction protocol. The optimized extraction conditions for quantitative是什么意思？

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and extraction time (5–30 min) were studied for the optimization of the extraction protocol. The optimized extraction conditions for quantitative

问题补充：

匿名	2013-05-23 12:21:38 优化提取协议进行了研究，提取时间（5-30分钟）。定量优化的提取条件

匿名	2013-05-23 12:23:18

匿名	2013-05-23 12:24:58

匿名	2013-05-23 12:26:38 和优化的提取协议研究了提取时间（5–30 分）。为优化的提取条件定量

匿名	2013-05-23 12:28:18

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