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qinpeng77金虫 (小有名气)
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请帮忙看看这段话是否有语病并修改
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| The CAT activity [U•mg-1 (protein)] was determined by the method of permanganate titration. 1 mL of 0.1 mol/L H2O2 was added into 1mL enzyme extract, the mixture was put aside at room temperature for 20 min, immediately added of 1 mL of 10% H2SO4. Then, titrated with 0.1 mol/L KMnO4 standard solution until purple colour appeared (not disappeared in 30 min).Sample Text |
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★ ★ ★ ★ ★
qinpeng77(金币+3,VIP+0):很好 10-25 23:09
qinpeng77(金币+2,VIP+0): 10-26 19:28
qinpeng77(金币+3,VIP+0):很好 10-25 23:09
qinpeng77(金币+2,VIP+0): 10-26 19:28
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我不是专业的，也只能看着你的东西改成这个程度，还是不怎么好，你在改改看吧。 The CAT activity [U•mg-1 (protein)] was determined by the method of permanganate titration. After the mixture of 1 mL of 0.1 mol/L H2O2 and 1mL enzyme extract was put aside at room temperature for 20 min, 1 mL of 10% H2SO4 was added in. Then the mixture was titrated with 0.1 mol/L KMnO4 standard solution until purple colour appeared (not disappeared in 30 min）. |
3楼2009-10-25 22:39:59
2楼2009-10-25 22:32:35