酶的比活力是指在特定条件下，单位重量（mg）蛋白质或RNA所具有的酶活力单位数。
根据表中信息，计算每个纯化步骤酶的比活力。
From the information given in the table calculate the specific activity of the enzyme solution after each purification procedure.
还测试了酯酶同功酶带为3条和羧酸酯酶、乙酰胆碱酯酶的比活力。
The activity of carboxylesterase and cholinesterase were detected. Esterase Zymograms form polyacrylamide gel electrophoresis revealed 3 bands.
得到的修饰酶抗体结合能力消失，保留酶比活力32 .8% ，酶的常温稳定性和热稳定性均有显著提高。
The residue activity of modified enzyme is 32.8% when the affinity to antibody disappear and the stability of modified enzyme is promoted obviously.
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