1. As a result, the method of using airslake-coal to produce potassium fertilizer including humic acid was varied with different crops.
   因此，在利用风化煤生产含腐植酸钾肥时，应根据作物类型选择工艺路线。
2. Humic acid is a kind of organic matter with high molecular quantity and satisfactory biological activity, and there are abundant humic acid in airslake-coal.
   摘要腐植酸是一种有良好生物活性的有机高分子物质，风化煤中含有丰富的腐植酸。
3. Late Jurassic, the sag compression uplift along yamasaki, and the stratums was airslake and denudation, forming paleo interlamination oxidized zone and uranium mineralization;
   晚侏罗世挤压上隆，沿山前遭受风化剥蚀，形成古层间氧化带和铀矿化；

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