ammonia compound 氨化合物
ammonia gas-sensing compound 氨敏化合物
A compound that contains ammonia 氨化物含有氨的化合物
The results showed that the compound microorganism preparation improved water quality and decreased significantly the ammonia nitrogen in water.
试验表明，复合微生物制剂对改善水质，降低水体中的氨氮具有明显作用。
The results showed that the compound barrier with calcite and zeolite can not only control the ammonia release from the sediment, but also reduce the phosphorus release from the sediment effectively.
结果表明，天然沸石和方解石复合覆盖层不仅可以有效抑制底泥氨氮释放，也可以有效抑制磷的释放。
To oxidize (an ammonia compound) into nitric acid, nitrous acid, or any nitrate or nitrite, especially by the action of nitrobacteria.
通过硝化细菌的作用将氨的化合物氧化成硝酸盐的过程。
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