The oxides of nitrogen can have deleterious effects on materials, vegetation, and animal and human life.
氮的氧化物对物质、植物、动物和人类生活有毒害效应。
In the lower atmosphere the oxides of nitrogen add to an increase in ozone and small particles, which can cause respiratory ailments.
在低层大气里，氮氧化物使臭氧和可以引致呼吸道疾病的微粒增加。
Two pollutants cause most of the problem: oxides of nitrogen, which damage the lungs, and fine particulates, which are also carcinogenic.
空气污染主要由两大污染物造成：损害肺部的氮氧化物以及同样致癌的细颗粒物。
It will also combine with oxygen to form oxides of nitrogen and, when combined with hydrogen in the presence of catalysts, will form ammonia.
它还会同氧反应生成氮的氧化物，而且当在有催化剂存在时它会同氢反应生成氨。
During the combustion process of coal, the nitrogen element in coal may turn to various oxides of nitrogen, thereby, resulting in ambient pollution.
煤中氮元素在煤燃烧过程中会转化为各种氮的氧化物，从而造成环境污染。
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。
The spatial configurations and bonding effects of Oxides of Nitrogen were explained by using the Valence-shell Electron Repulsion Theory, Hybrid-orbital Theory and Molecular orbital Theory.
用杂化轨道理论和分子轨道理论阐明了氮的氧化物成键类型，给出了分子空间构型及结构数据的解释。
During the nights, not only were the concentrations of ozone, nitrogen oxides and other gases measured by this plane, but also, almost as an afterthought, the intensity of the light from below.
在夜晚，这架飞机不但检测臭氧、氮氧化物和其他气体的浓度，还测量了飞机下的光照强度，而这项测量差不多是后追加上的项目。
The research focuses on a specific form of nitrogen oxides present only at night — during the day it is broken down by even the faintest sunlight.
这项研究集中于只在夜间出现的一种氮氧化物的具体形式，这种氮氧化物在白天即使阳光极微弱也会被分解。
Other filters and chemical "scrubbers" catch oxides of sulphur and nitrogen that would otherwise cause acid rain.
其他的过滤器以及化学“捕捉器”负责处理能够引起酸雨的硫氧化物和氮氧化物。
Another source of nitrogen pollution comes from fossil fuels, which produce nitrogen oxides when they are burnt.
另一种氮污染的来源为矿物燃料，矿物燃料燃烧时，会产生氮氧化物。
"Because of these impacts, we'd like to know what happens to these nitrogen oxides in nighttime air, where do they go, what do they do," Thornton said.
桑顿说：“由于这些影响，我们想知道夜间空气中的这些氮氧化物发生什么变化，到那里去，会有什么影响。”
"Nitrogen oxides in particular are of concern," he says, because they can destroy ozone.
他说，“尤其要注意氮氧化物”，因为它们可以破坏臭氧层。
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。
From 2012 diesel trains will have to reduce their emissions of nitrogen oxides by 39% and of soot by 88%.
2012年起，柴油机列车须将其氮氧化合物排放降低39%，烟尘排放降低88%。
Carbon monoxide, carbon dioxide, nitrogen oxides can be released in case of fire.
在燃烧时会释放出一氧化碳、二氧化碳、氮氧化物。
The nitrogen Deoxo Vessel contains a fixed bed of free copper catalyst which removes oxygen from the nitrogen stream by oxidation of copper to copper oxides.
氮气脱氧罐中装有一个游离铜催化剂的固定床，通过将铜氧化成氧化铜把氧气从氮气中脱除。
Begins with the formation mechanism of nitrogen oxides, by analyzing the equation and conditions, the main affects of nitrogen oxides 'formation is put forward, i. e. temperature and oxygen content.
从氮氧化物的生成机理入手，通过分析生成方程序和条件，得到影响热力型氮氧化物的因素主要为温度和含氧量。
Nitrogen oxides pollution status in coal-fired power plant of China is analyzed, which mainly brings about air pollution, and 70% of the discharged comes from the direct combustion of coal.
对中国燃煤电厂氮氧化物污染现状进行了分析，造成大气污染的主要污染物之一是氮氧化物，而氮氧化物的排放中有70%来自煤炭的直接燃烧。
Now the monitoring method of nitrogen oxides in fitful process exhaust can't obtain satisfactional accurate outcome.
对非稳态工艺废气中氮氧化物的监测，目前的监测方法无法获得准确满意的结果。
High concentration of sulphur dioxide, nitrogen, oxides and dust have long been known to be harmful.
人们早已知道，二氧化硫、氮、氧化物和尘埃浓度高是有害的。
The technology of exhaust gas recirculation (EGR) has been researched in a turbocharged direct-injected diesel engine in order to reduce Nitrogen Oxides (NOX) emission.
针对增压直喷柴油机，开展了应用废气再循环（EGR）技术降低氮氧化物（NOx）排放的研究。
This occurs naturally by the action of certain soil bacteria on the nitrogen in atmosphere, and the conversion of atmospheric nitrogen to its oxides by lightning.
发生在自然界中，通过某些土壤中的细菌对大气中的氮的作用，和通过闪电将大气中的氮转化成氮的氧化物。
A modern YZ-1 type inhibitor of nitric oxides is investigated, which can be used for brass articles in bright acid dipping to inhibit formation of nitrogen oxides.
本文介绍了一种新型的YZ - 1型氮氧化物抑制剂，可用于铜件酸洗抛光时抑制氮氧化物的生成。
Nitrogen oxides releases directly by supersonic aircraft into the stratosphere contribute directly to the depletion of the ozone layer.
由超音速飞机直接排放到平流层中的氧化氮会直接导致臭氧的消耗。
Nitrogen oxides releases directly by supersonic aircraft into the stratosphere contribute directly to the depletion of the ozone layer.
由超音速飞机直接排放到平流层中的氧化氮会直接导致臭氧的消耗。
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