证明脉冲加热法氮释放完全。
It has been demonstrated that nitrogen release in pulse heat is quantitative.
通过正交试验考察了成熟湿地基质在选定的影响因素及水平下的氮释放量。
Under the selected factors and levels, nitrogen release quantity from the mature substrate of wetland was investigated by orthogonal experiments.
结果表明，温度升高，土壤中速效氮释放量增大，释放速度加快，释放周期缩短。
The results show that the release amount of N increases in the soil when temperature goes up , and the release period shortens when the release speed is up.
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。
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.
化肥和粪肥都释放氮到自然生态系统，如河流，从而破坏自然的平衡。
Both fertilizers and manure release nitrogen into natural systems such as rivers, upsetting the natural balance.
周日发表的一项研究显示北极永冻土壤解冻可以释放出氧化亚氮，俗称笑气。 这种温室气体对气候变化的贡献一般为世人所忽视。
OSLO (Reuters) - Thawing permafrost can release nitrous oxide, also known as laughing gas, a contributor to climate change that has been largely overlooked in the Arctic, a study showed on Sunday.
集约化农业生产使用化肥，施到土壤中的化肥会释放强大的温室气体一氧化二氮。
Intensive farms also use fertilizers which release the powerful greenhouse gas nitrous oxide when applied to the soil.
谷物和碳水化合物的足迹最小，每磅食物只释放3磅温室气体，几乎没有氮污染。
Cereals and carbohydrates had the smallest footprints, with each pound of food releasing only 3 lb of greenhouse gases and almost no nitrogen pollution.
这些燃烧过程同样释放化学物质如甲烷、氮氧化合物、挥发性的有机化合物和一氧化碳在光照下反应形成臭氧。
These same processes also release chemicals that combine in sunlight to form ozone: methane, nitrogen oxides, volatile organic compounds, and carbon monoxide.
太阳的带电粒子与地球上层的大气相撞，促使氧和氮原子获得能量，然后以极光的形式释放出来。
Auroras occur when charged particles from the sun collide with Earth's upper atmosphere, causing atoms of oxygen and nitrogen to gain energy and then release it in the form of light.
开始被认为早期的地球的大气会释放氮同其他元素结合。
It was initially thought that the early Earth's atmosphere would have freed up nitrogen to bond with other elements.
动物粪便的流出物还污染了水道，未遮盖的粪堆释放出的氧化亚氮（ N2O） ，还会污染空气。
Run-off from animal manure also fouls watercourses, and the release of nitrous oxides from uncovered dung heaps pollutes the air.
所以在每层材料放置好之后，氮氟化物就被泵进工作舱中并分散开来，释放出高活性的氟原子来清洁墙壁。
So after each layer is deposited, nitrogen fluoride is pumped into the chamber and is split to release highly reactive fluorine atoms that clean the walls.
土壤储存有机碳，但会释放甲烷和一氧化二氮。
Soil stores organic carbon, but can emit methane and nitrous oxide.
他们发现，溪流中一氧化二氮的数量与人类活动释放到环境中的氮有关，如使用化肥和污水排放。
They found that the amount of nitrous oxide produced in streams is related to human activities that release nitrogen into the environment, such as fertilizer use and sewage discharges.
科学家说过去认为永冻土解冻会排放二氧化碳和甲烷，氧化亚氮则不会释放出来。
The scientists said that past studies had reckoned that carbon dioxide and methane were released by a thaw of permafrost while nitrous oxide stayed locked up.
人类使河川释放出一氧化二氮增加，而研究结论指出，透过减少使用农业肥料和其他含氮物质，可以改善这种情况。
Reducing use of agricultural fertilizer and other sources of nitrogen are examples of how to decrease humanity’s contribution to the growth of nitrous oxide produced in waterways, the study concluded.
人类使河川释放出一氧化二氮增加，而研究结论指出，透过减少使用农业肥料和其他含氮物质，可以改善这种情况。
Reducing use of agricultural fertilizer and other sources of nitrogen are examples of how to decrease humanity's contribution to the growth of nitrous oxide produced in waterways, the study concluded.
事实上，畜牧业所产生的二氧化碳排放量占9%，同时释放出37%的甲烷，及65%的一氧化二氮。
In fact, while animal agriculture accounts for 9% of our carbon dioxide emissions, it emits 37% of our methane, and a whopping 65% of our nitrous oxide.
此外，与未经过处理的土壤相比，含生物碳的土壤会释放较少的甲烷和一氧化二氮。
Moreover, soil containing biochar releases less methane and less nitrous oxide than its untreated counterparts, probably because the charcoal ACTS as a catalyst for the destruction of these gases.
颗粒愈粗，氮的热解释放时间延长。
The bigger the grain is, the more length the nitrogen releasing time.
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.
通过大型静态土柱模拟实验，研究氮在上覆水和孔隙水中的分布特性和释放特性。
The nitrogen distribution and release to the overlying water and interstitial water through a series of large static simulating experiments were probed into.
结论：氮酮可使啤酒酵母菌蛋白质释放率达湿重的4%。
加热终温越高，氮的热解释放百分比越大；
The higher the ultimate temperature is, The bigger the nitrogen releasing percent.
最后，论证了适当增加配方中的氮含量是提高低压下能量释放率的重要途径。
Finally, it is demonstrated that the increase of nitrogen content in propellant formulation is an important approach to raising the energy release rate at low pressure.
因此合理控制底泥清除周期减少底泥释放量，是提高HBFM溶解性氮、磷去除能力的重要途径之一。
Reducing the nutrient quantity released by sediment through manipulating the period for digging up sediment is necessary to enhance removal ability of HBFM for dissolved nitrogen and phosphorus.
这些细菌不仅有助于植物存活，同时将有用的氮原子释放到土壤中，给其他植物使用，进而传递给以这些植物为食的动物。
These bacteria not only help the plants they live on, but release useable nitrogen into the soil which is taken up by other plants, and in turn passed on to animals that eat those plants.
结果表明：河道水质在净化后，通过引水或充氧使河道保持一定的溶解氧，可有效抑制沉积物中有机物、氨氮等污染物的释放。
The result showed that, after the river water was purified, release of organic, ammonia etc can be inhabited by drawing fresh water or aeration to improve DO concentration in river.
结果表明：河道水质在净化后，通过引水或充氧使河道保持一定的溶解氧，可有效抑制沉积物中有机物、氨氮等污染物的释放。
The result showed that, after the river water was purified, release of organic, ammonia etc can be inhabited by drawing fresh water or aeration to improve DO concentration in river.
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