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yibinsiyec: ½ð±Ò+2 2013-06-21 09:07:13
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to adjust the PH the medium to the gradient as  7,8 and 9.
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yibinsiyec: ½ð±Ò+2 2013-06-16 12:21:10
the pHof the medium  was adjusted to 8,9,10,in increment of 1.¸Ð¾õÕâô†ªà£¬Ö±½Ó8,9,10²»¾ÍOK?±ðÈËÒ²¿´µÃ¶®£¡

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hanches: ½ð±Ò+1, ¸Ðл¹ËÎʵÄÈÈÐÄÓ¦Öú~~ 2013-06-20 21:53:59
yibinsiyec: ½ð±Ò+1 2013-06-21 09:07:18
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to adjust the PH gradient of the medium as 7,8 and 9.
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