The experimental results show that the catalyst has high catalytic activity and stability.

结果表明，该催化剂具有较高的催化活性和稳定性。

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The results show that such complex has good catalytic activity and selectivity for catalytic methanol carbonylation.

结果表明，该配合物催化甲醇羰基化反应具有较好的活性和选择性。

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The experimental result shows that this catalyst has better catalytic activity and makes the period of esterification reaction much shorter and the yield much higher.

实验结果表明，对甲苯磺酸有较好的催化活性，可使酯化反应时间大大缩短， 收率明显提高。

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