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转身丶忘不掉

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[求助] 帮忙翻译一下,本人英语水平有限,谢谢了,附有图片

To obtain selenate, a first dilution step was made by mixing 20 Al of the selenite stock solution with 36 Al hydrogen peroxide (H2O2, 30% w/v) and 144 Alof Milli_Q water. A second 10-fold dilution step in BCW gave the source solution used in electromigration experiments EM_SeO4/1, EM_SeO4/6 and EM_SeO4/7.
    For experiments EM_SeO4/2 through EM_SeO4/5, the second dilution step consisted in mixing 100 Alof the first dilution with 20 Al of NaOH 0.1 N and 880 Al BCW.
    After electromigration, each clay core is cut in 1-mm-thick slices, whose gamma activity is counted during 20 min in the 60–467 keV energy range with a Packard 5250 gamma counter, to obtain the distribution profile of Se in the clay core.

帮忙翻译一下,本人英语水平有限,谢谢了,附有图片
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转身丶忘不掉: 金币+8, 翻译EPI+1, ★★★★★最佳答案 2014-09-06 11:53:23
为获得硒酸盐,第一个稀释步骤是将20微升亚硒酸盐母液与36微升过氧化氢(H2O2,30%重量/体积)和144 微升水(Milli_Q级别)混合。第二步稀释是用BCW进行10倍稀释,得到用于电迁移实验的溶液源EM_SeO4/1,EM_SeO4/6和EM_SeO4/7。

对于从EM_SeO4/2到EM_SeO4/5的实验,第二步稀释是将100微升第一步稀释液与20微升0.1 N的NaOH和880微升BCW混合。

电迁移后,将每个粘土核心切成1毫米厚的切片,用Packard 5250伽玛计数器在60-467千电子伏能量范围内计数20分钟,以测定其伽玛活性,以获得硒在粘土核心中的分布情况。
2楼2014-09-06 11:49:32
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