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制备了纳米级ＺｒＯ２超细粉，并代替常规催化剂用于土壤定氮。实验证明，纳米ＺｒＯ２超细粉具有催化作用，且测定结果良好。
Preparation of nanoscale ZrO2 ultrafine powder, and instead of the conventional catalyst for soil nitrogen fixation. Experiments show that nano-ZrO2 ultrafine powder has a catalytic effect, and the measurement results are good.