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【答案】应助回帖
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karl2100(金币+1): 谢谢! 2011-10-02 23:35:54 友谊无限(金币+1): 2011-10-17 17:32:53
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21楼2011-10-02 12:21:06
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友谊无限金虫 (小有名气)
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22楼2011-10-02 15:52:59
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shuishangjun木虫 (小有名气)
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23楼2011-10-16 11:55:51
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24楼2012-02-13 09:51:01
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lihui5456木虫 (小有名气)
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【答案】应助回帖
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25楼2012-05-31 11:47:46
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【答案】应助回帖
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26楼2012-08-06 15:34:34
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【答案】应助回帖
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27楼2012-08-06 15:41:11
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lihui5456木虫 (小有名气)
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28楼2012-08-06 21:28:24
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29楼2012-08-10 15:01:54
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~我最近在做基质效应,但是效果很不理想~麻烦您帮我看看有什么问题~精密量取空白血浆100μl,加入200μl混标,涡旋1min,加乙酸乙酯100μl,涡旋3min,14000r/min,离心15min,取上清液50μl。再加入乙酸乙酯100μl,同法操作,取上清液100μl,合并两次上清液,室温下氮气吹干。残渣用50μl乙腈复溶。每个浓度平行制备3份。得到的峰面积为A1。混标峰面积A2。基质效应=A1/A2.