应特别密切注意氮和二氧化硫的化合物。
Compounds of nitrogen and sulphur dioxide should be particularly closely watched.
无论如何,同时地检测呼吸中的氧化一氮、一氧化碳、,过氧化氢物、亚硝酸盐、硝酸盐,、戊烷和乙烷,将能对哮喘做确定性的诊断。
However, simultaneously monitoring nitric oxide, carbon monoxide,hydro-peroxides, nitrites, nitrates, pentane and ethane in the breath, wouldallow a much more definitive diagnosis of asthma.
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.
然后,当这些化学物质与氮氧化合物(存在于汽车排放的废气中)发生化学反应时,就会形成臭氧,这会对人类和动物的健康构成更大的威胁。
When the chemicals react with nitrogen oxide--found in pollution from cars--they form ozone, a much bigger health threat to humans and animals.
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。
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.
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。
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.
人们早已知道,二氧化硫、氮、氧化物和尘埃浓度高是有害的。
High concentration of sulphur dioxide, nitrogen, oxides and dust have long been known to be harmful.
氮氧化合物进入肺泡后,能形成亚硝酸和硝酸,对肺组织产生剧烈的刺激作用,增加肺毛细管的通透性,最后造成肺气肿。
Alveolar oxygen into nitrogen compounds, lead to the formation of nitrite and nitrate, a sharp stimulus to the lung tissue, increased pulmonary capillary permeability, leading to emphysema.
表层由氧化物、硫化物和氮(碳)化合物组成;
The surface layer consists of oxide, sulphide and N, C compound.
而制造污染的是汽车尾气和烟囱排出的氮氧化合物和氮氢化合物,它们在高温和阳光下混合,就会产生臭氧。
Start with the pollution most cities have, nitrogen oxides and hydrocarbons from tailpipe emissions and smokestack pollutants, mix in the heat and sunlight, and you get ozone.
他对《每日电报》的说:“现实地说,应对这一情况的最佳办法是在我们的工业生产及个人生活中减少臭氧和氮氧化合物的排放。”
Realistically, the best way to counter this is to reduce our production of both ozone and nitrogen oxides from industrial and personal processes.
氮的氧化物对物质、植物、动物和人类生活有毒害效应。
The oxides of nitrogen can have deleterious effects on materials, vegetation, and animal and human life.
碳的氧化物、硫的氧化物、氮的氧化物和卤化物等是由人类的生产活动和社会活动产生的重要的环境污染物质。
Oxides of carbon, sulfur, nitrogen and halogens are serious environmental pollutants produced by the productive and social activities of humans.
大多数氮在大气中并不像化石燃料释放的二氧化碳一样,几天就沉淀析出。 氨气--氮和氧的化合物-遇水变成氨基,随雨水落在地上起化肥作用。
Most nitrogen doesn't stay in the atmosphere the way carbon dioxide from fossil fuel does, but precipitates out within a few days.
水分是删除从一大部分,但不是所有尾气臭氧,而氮和二氧化碳,是在尾气中污染物是离开。
The moisture is removed from a substantial portion but not all of the ozonation off gas, while the nitrogen and carbon dioxide contaminants that are contained in the off gas are left in it.
混合层包含不含氮原子的有机化合物,即不含有芳胺骨架的有机化合物,和金属氧化物。
The mixed layer contains an organic compound which contains no nitrogen atoms, i. e. , an organic compound which dose not have an arylamine skeleton, and a metal oxide.
结果:淫羊藿提取液可降低血肌酐和尿素氮水平的升高,抑制肾皮质脂质过氧化物的产生及减轻谷胱甘肽的耗竭。
RESULTS Extraction of Herba Epimedii reduced elevation of serum concentration of BUN, Scr and renal cortex MDA content induced by gentamicin, and depletion of GSH was also alleviated.
结果表明,45钢经离子氮碳氧复合渗处理后,表层可获得化合物和氧化物的复合渗层,明显提高45钢的耐磨性能。
The experiment shows that the compound layer with nitride and oxide is obtained in surface of 45 steel by the combined treat of ion nitrocarburizing and oxidizing. The compou…
结果表明,45钢经离子氮碳氧复合渗处理后,表层可获得化合物和氧化物的复合渗层,明显提高45钢的耐磨性能。
The experiment shows that the compound layer with nitride and oxide is obtained in surface of 45 steel by the combined treat of ion nitrocarburizing and oxidizing. The compou…
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