A comprehensive review of the studies on soil organic nitrogen compounds and the types of its mineralizable models is presented.
就目前土壤有机氮组分方面的研究情况作一简要综述，探讨土壤有机氮矿化模型类型，以及今后其模型研究的方向。
The wastewater of hexanolactam (nylon) fiber production in Shijiazhuang Synthetic Fiber manufactory is high concentrated with organic nitrogen compounds.
己内酰胺锦纶化纤废水属于高含氮高浓度有机废水。
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。
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。
The most common examples are organic compounds, isomers of nitrite esters in which a carbon atom is linked by a covalent bond to the nitro group's nitrogen atom.
最常见的例子是有机化合物，亚硝酸盐类的同分异构体，其中一个碳原子以共价键与硝基中的氮原子结合。
Catalytic converters reduce carbon monoxide, oxides of nitrogen, and volatile organic compounds in emissions and necessitated the use of lead-free fuel.
催化转炉减少了一氧化碳，氧化氮和挥发性有机混合物等的排放，而且无铅燃料的应用也当成为必要。
A primary use of testing the weight percentages of nitrogen, carbon, hydrogen, oxygen and sulfur within a variety of solid or liquid explosive of pure organic compounds.
主要测试无爆炸性之各种固态或液态之纯质有机化合物中的氮、碳、氢、氧及硫之重量百分率。
A rapid micromethod for the determination of nitrogen in organic compounds, such as pyridine, pyrimidine, purine, thiazole, alkaloids and amino acids, is described.
本文提出嘌呤、嘧啶、呲啶、噻唑、生物碱和氨基酸等类有机化合物中氮的快速微量测定法。
Triazine is a type of heterocyclic organic compounds, it is important to ring nitrogen organic chemical raw materials.
是一种三嗪类含氮杂环有机化合物，重要的氮杂环有机化工原料。
The alkaloids refer to some organic compounds which contain nitrogen atom except proteins, peptides, amino acids and vitamin B.
生物碱一般是指植物中除蛋白质、肽类、氨基酸及维生素B外的含氮的有机化合物。
Motor vehicles are the primary source of several important air pollutants: carbon monoxide, volatile organic compounds, and nitrogen oxides.
机动车辆是几种重要的空气污染物的主要来源：一氧化碳、挥发性有机化合物，和氮氧化物。
Zinc ion of different concentrations can inhibit the degradation of organic compounds and transformation of nitrogen.
不同浓度的锌离子对有机物的降解和氮的转化均有抑制。
Amine: Any of a class of nitrogen-containing organic compounds derived, either in principle or in practice, from ammonia (NH3).
胺：原则上或实际上是从氨(NH3)衍生的含氮有机化合物的总称。
It is a novel studied field in organic geochemistry using amount and distribution of nitrogen compounds in crude oils to study petroleum migration.
应用石油含氮化合物分布研究石油运移是目前国内外有机地球化学研究领域的一个新方向。
A simple method for calculating the standard formation heats of organic compounds containing nitrogen or sulfur by using of the group electronegativity is built up in this paper.
建立了用基团电负性计算含氮含硫有机物键裂能的简单方法，并且得到自由基标准生成热的计算方法。
There are lots of bacteria, protozoan and metazoan species immobilized on the carrier surface in G-BAF, which can enhance the removal effect of nitrogen, phosphorus and refractory organic compounds.
G -BAF的载体表面附着有大量的细菌以及多种形态的原、后生动物，增强了对氮、磷及难降解有机物的去除能力。
There are lots of bacteria, protozoan and metazoan species immobilized on the carrier surface in G-BAF, which can enhance the removal effect of nitrogen, phosphorus and refractory organic compounds.
G -BAF的载体表面附着有大量的细菌以及多种形态的原、后生动物，增强了对氮、磷及难降解有机物的去除能力。
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