Activity recycle ratio of immobilized thrombin prepared by physical adsorption method is 81%, higher than that by chemical covalent binding method (56%).

实验结果表明，物理吸附法固定化凝血酶的活性回收率(81%)高于化学结合法固定化凝血酶的最佳结果(56%)。

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Reviews the removal methods of formaldehyde, including physical adsorption method, chemical method and biological method. Points out the future study direction.

介绍了物理吸附法、化学法和生物法等去除甲醛的方法的研究概况，指出了今后的室内研究方向。

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