昆虫产生的氨比猪和家禽少，它们产生的甲烷比家畜少十倍，而产生的一氧化二氮比家畜少三百倍。
Insects produce less ammonia than pig and poultry farming, ten times less methane than livestock, and 300 times less nitrous oxide.
生物炭在澳大利亚使用后，几个月后，农田的碳排放量剧减70%多，与此同时，它还能阻止土壤里的氨氮溶入水体。
Biochar applied to Australian fields and left for a number of months cut such emissions by more than 70 percent as well as preventing nitrogen and ammonia from leaching out of the soil in water.
氨是化肥的原料，和几乎所有含有胺，或氮的东西的原料。
And ammonia becomes the feedstock for fertilizers, for almost anything that contains an amine in it, or a nitrogen in it.
氨是氮基，化肥的原料。
Ammonia is the feed stock to make nitrogen-based fertilizers.
anammox菌在把氨转化为氮时比其它普通菌的步骤少并且所需氧量少，从而使得能耗也较低。
Anammox bacteria transform ammonia to nitrogen in fewer steps than more common bacteria, and require much less oxygen, and therefore energy, to do so.
事实上已经有先例摆在我们的面前了，在1909年，一位名叫Fritz Haber的德国化学家发现了一种生产氨的方法：将氮(从空气中分离得到)和氢结合在一起。
Indeed, there is a telling historical precedent. In 1909 Fritz Haber, a German chemist, discovered a new way to combine nitrogen from the air with hydrogen to produce ammonia.
这些作物都能产生一种名为钒固氮(vanadium nitrogenase)的酶，它具有把氮转变成氨的能力。
It creates an enzyme called vanadium nitrogenase, which produces ammonia from nitrogen.
因此，我国及世界上许多国家在饮用水标准中对氨氮含量都有严格的限制。
Therefore, our country and many other countries of the world established strict limitation of ammonia-nitrogen in drinking water criterion.
氨在高温下燃烧分解成为氮和水。
Combustion at high temperature causes decomposition to nitrogen and water.
鸟嘌呤：嘌呤类的有机化合物，常称为碱基，包含二个环，各含氮原子和碳原子，还有一个氨群。
Guanine: organic compound of the purine family often called a base consisting of two rings each containing both nitrogen and carbon atoms and an amino group.
生物预处理是去除微污染源水中氨氮的一种经济有效的方法。
Biological pretreatment technology is an economic and efficient method to remove ammonia - nitrogen in micro - polluted raw water.
该工艺具有工艺简单、适合于处理微污染水，能够有效地去除有机物和氨氮。
This simple technique may be used to treat micro-polluted raw water and can remove organic pollutants and ammonia efficiently.
陨石可能已经释放了化合物，包括碳氢化合物链和大量氨，富含氮。
Meteorites may have released compounds including hydrocarbon chains and a large amount of ammonia, which is rich in nitrogen.
甲氨喋呤加柳氮磺吡啶疗法是推荐给那些患病时间长久，病情高度活动、但是没有不良预后特征的患者。
Methotrexate plus sulfasalazine is recommended in patients with all disease durations provided they have high disease activity and poor prognostic features.
胞嘧啶：嘧啶族的有机化合物。常被称为基，包含一个单环，内有氮原子和碳原子，还有氨群。
Cytosine organic compound of the pyrimidine family often called a base consisting of a single ring containing both nitrogen and carbon atoms and an amino group.
硝酸盐氮的最终还原产物为氨氮。
The final reduction product of nitrate nitrogen is ammonia nitrogen.
评价结果表明：该段主要污染指标高锰酸盐指数、五日生化需氧量、氨氮。
The result indicated that the main pollution target of this section is permanganate index, five days' biochemical oxygen demand and ammonia nitrogen.
如何有效地去除废水中的氨氮是水污染防治界研究的重点和难点之一。
How to achieve high removal rate of ammonium is the emphasis to researchers.
在模拟中水中，随着氨氮浓度的增加，316不锈钢的孔蚀电位减小。
The pitting corrosion potential of 316 stainless steel increases along with the ammonia nitrogen density decrease.
水中钙离子的存在，在一定程度上会降低氨氮的去除效果，但同时提高有机物的去除效果；
When calcium existed in water, the removal of ammonia-nitrogen was decreased to a limited extent, with a higher organic removal.
磷酸铵镁（MAP）技术是一种有效去除废水中高浓度氨氮和高浓度磷酸盐的技术。
The technology of magnesium ammonium phosphate(MAP) is one of effective removal of high strength ammonia nitrogen and phosphate in wastewater.
有效分解水体中的多余有机物、氨、氮、磷等物质，达到净化水质的目的。
Decompose unnecessary organic matters, such as ammonia, nitrogen, phosphorus, to achieve the purpose of purifying water quality.
氨氮负荷是影响反应器硝化性能的直接因素。
The direct affected factor of nitrification was ammonia nitrogen loading.
反冲洗周期对氨氮的去除率有较大影响。
Backwash cycle has more effect on ammonia nitrogen removal rate.
目的：筛选、分离能够用于治理氨氮污染和军事坑道生活污物、污水的硝化菌。
Objective: to screen nitrobacter that could be used to treat ammonia nitrogen pollution, dejecta and sewage in military tunnel.
此外，在低温条件下提高水力负荷会导致对有机物和氨氮去除率的下降。
Moreover, the increase of hydraulic loading will lead to the decline of the removal rate of organics and ammonia nitrogen.
试验结果表明：合理的间歇时间能提高反应器对有机物和氨氮的去除效果。
The results show that reasonable intermittence time can improve the removal efficiency.
在水中，氮是以有机氮、氨态氮、亚硝酸氮和硝酸氮的形式存在的。
In water, nitrogen exists in form of organic nitrogen, ammonia nitrogen, nitrite and nitrate.
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 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 microorganism preparation improved water quality and decreased significantly the ammonia nitrogen in water.
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