第二部分：探讨了中学化学演示实验应该注意的问题。
Section Two: Seeking the several problems that should be paid attention to in chemical demonstrating experiments in middle school.
第六部分：结合中学化学演示实验的具体情况，探讨了中学化学演示实验的评价方法。
Section Six: Combine the present experimental situation to seek the evaluation method of chemical demonstrating experiment in middle school.
IBM的研究人员与公司的计算化学组一起合作，仿制了该催化剂的活性，并且在实验室里进行了实验演示。
The IBM researchers collaborated with a computational chemistry group within the company to model the activity of the catalysts, and have demonstrated them experimentally in the lab.
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