同时放牧使氮的矿化速率明显提高。
Meanwhile, grazing made rate of nitrogen mineralization increase obviously.
超化矿采用注射马丽散材料加固破碎顶板技术，使帮顶的完整性和稳定性加强，取得了很好的效果。
Chaohua Coal Mine adopts the technology of injecting Malisan material to reinforce broken roof. The method makes the roof more completed and steady and has achieved good results.
用矿化剂NH_4F调节粉体的形状，使粉体中薄水铝石针状晶的数目降低并形成对调节载体孔结构有利的片状粉体；
Mineralization agent NH4F was used to regulate shape of the powder so as to lower the amount of bohemite needle crystals and form flake-shape powder;
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