Nitrate and water-soluble organic nitrogen were migrated with deionised water migrating and increased subsoil fertility.
硝酸盐和水溶性有机氮随着去离子水的迁移而迁移，并增加了土壤的肥力。
They found that turning the air off for a set amount of time maximized nitrogen and organic compound removal.
他们发现，在一定时间内关闭空气流通可以最大程度上减少氮和有机化合物的含量。
The process filters out all the organic contaminants, and much of the nitrogen and phosphates that would otherwise contribute to algal blooms and dead zones further downstream.
所有的有机污染物在这个过程中都将被过滤出来，避免由于氮和磷过甚导致海藻过度生长，进而污染下游地区。
Observations from the Cassini probe's 2005 flyby of Enceladus suggest the presence of carbon, hydrogen, nitrogen and oxygen - organic molecules thought to be necessary to develop life.
2005年，“卡西尼”太空探测器飞越土卫二时的勘测资料显示其表面存在碳、氢、氮、氧等元素——这些有机分子被认为是生命形成的必要条件。
A study showed the devices are on par with traditional mechanical treatment facilities for removing organic compounds and nitrogen.
研究显示，在消除有机化合物和氮含量方面，该设备与传统机械处理设施的处理能力相当。
These same processes also release chemicals that combine in sunlight to form ozone: methane, nitrogen oxides, volatile organic compounds, and carbon monoxide.
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。
The oxygen will bother no one, and the nitrogen trioxide soon meets its end destroying one of a range of volatile organic compounds that are another constituent of daytime smog.
氧气吗当然是多多益善，而三氧化二氮分子在破坏了一系列挥发性有机化合物中的一个分子后也很快就寿终正寝了。这种有机化合物是构成白天烟雾的另一种成分。
Within that mix, the hydrogen atoms form connections that function like hooks, onto which carbon or nitrogen atoms can presumably grab to form the beginnings of complex organic molecules.
在那样的混合体中，氢分子的连接具备了挂钩(hook)的功能，碳原子或氮原子可以抓住这个挂钩，以形成复杂生物分子的起始部分。
Black carbon is not emitted alone, but mixed with other things-organic molecules and various oxides of sulphur and nitrogen.
黑碳并不是单独被排放的，它被排放的同时还混合了许多别的物质——比如，有机分子还有各种各样的硫氧化物和氮氧化物。
Melamine is an organic base chemical most commonly found in the form of white crystals rich in nitrogen
三聚氰胺是一种有机质的化学物质，最常见于含氮丰富的白色晶体。
According to the study agriculture is responsible for 43.7% of the nation's chemical oxygen demand (the main measure of organic compounds in water) 67% of phosphorus and 57% of nitrogen discharges.
研究表明，水质43.7%的化学需氧量(测量水质有机化合物的主要指标)、67%的含磷量和57%含氮量应归咎于农业。
According to the study, agriculture is responsible for 43.7% of the nation's chemical oxygen demand (the main measure of organic compounds in water), 67% of phosphorus and 57% of nitrogen discharges.
研究表明，水质43.7%的国家化学需氧量(测量水质有机化合物的主要指标)、67%的含磷量和57%含氮量应归咎于农业。
For example, a reduction in organic carbon and nutrients, including phosphorus or nitrogen, as may occur in intensively farmed areas, DE creases the fertility of soils.
例如，过度耕种的土地可能发生有机碳和营养的减少，包括磷或氮，降低了土壤的肥力，在农作物密集的地区往往是这样。
The contents of total nitrogen had a significant positive relationship with the soil organic carbon.
人工林土壤全氮与土壤有机碳含量之间呈显著的线性正相关。
Its composition containing: organic humus and nitrogen, phosphorus, potassium, calcium, magnesium, sulfur and iron, copper, zinc, boron, molybdenum and other trace elements.
它的成份含﹕有机腐殖质和氮、磷、钾、钙、镁、硫及铁、铜、锌、硼、钼等多种微量元素。
For the future we should attach importance to organic fertilizer on farmland, control the dosage of nitrogen fertilizer, increase the proportion of phosphorus and add kalium fertilizer properly.
今后农田施肥，应当重视施用有机肥，控制氮素化肥用量，增加磷素养分比例，适当补施钾肥。
The N in the SOM existed mainly in the form of organic nitrogen, and the soil C:N was significantly correlated with SOM.
土壤中的氮素主要以有机氮的形式存在于土壤有机质中， 土壤碳氮比与有机质含量显著相关。
The beef extract, a beef derivative, is a source of organic carbon, nitrogen, vitamins, and inorganic salts.
牛肉萃取物是一种牛肉衍生制品，可以作为有机碳、氮、维生素与无机盐类的一个来源。
Nitrate and water soluble organic nitrogen were migrated with deionised water migrating and increased subsoil fertility.
硝态氮和水溶性有机氮随灌溉水向下迁移，对底土具有培肥作用。
The production of erythromycin in the shake flask was significantly influenced by adding different kinds of organic nitrogen source (e. g. amino acids).
红色糖多孢菌的摇瓶培养基中使用不同有机氮源时红霉素的效价明显不同。
The removal effects on COD, ss and organic nitrogen and the main process parameters were investigated. The effect of salinity on wastewater bio-treatment was discussed.
考察了该工艺对废水COD、固体悬浮物(SS)、有机氮等的去除效果，关键工艺参数，同时探讨了盐浓度对废水生物处理效果的影响。
In water, nitrogen exists in form of organic nitrogen, ammonia nitrogen, nitrite and nitrate.
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。
The practice demonstrates that biological nitrification and denitrification are able to give an effective solution to removal of organic nitrogen from wastewater.
实践表明，采用生物硝化反硝化工艺可以有效解决废水中有机氮的脱除问题。
Ammonium assimilation is a very important process to transform inorganic nitrogen into organic nitrogen for plants.
氨同化作用是植物将无机氮转化成有机氮的一个重要过程。
The study on absorption and utilization of organic nitrogen on spring wheat has been done by 15N trace method The.
应用15N示踪法探讨了春小麦对有机氮的吸收利用问题。
Due to higher content of protein in chondroitin sulfate wastewater and low measured value of ammonia nitrogen, organic nitrogen was neglected in designing wastewater treatment process.
硫酸软骨素废水中蛋白质含量虽然较高，但氨氮测定值较低，导致有机氮问题在设计时容易被忽视。
Soil organic matter and nutrients(e. g. nitrogen, phosphorus and potassium) play important roles in soil fertility.
土壤有机质和养分（氮、磷和钾等）是土壤肥力重要的物质基础。
The relationships between available nitrogen values determined by various chemical methods and different organic nitrogen components were different.
不同化学方法测定的土壤有效氮结果与各有机氮组分关系不一。
The results showed that when organic nitrogen fertilizer was applied, the plant height was lower and leaves were smaller, while the photosynthetic rate was higher in the latter stage of growth.
结果表明，施有机氮肥较无机氮肥处理的烟株，植株矮，叶片小，但生长后期叶片光合速率较高。
The nitrogen, which is in ammonium in the ammonia sulfite pulping waste liquor of rice straw, is converted into organic nitrogen by using oxide-ammonium decomposition method.
稻草亚硫酸铵法制浆废液采用氧化氨解的方法，将废液中的铵态氮转化为有机氮。
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