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nitrogen dioxide相关的网络例句

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Nonetheless, Chinese authorities said Thursday that Beijing had 12 more blue-sky days this year compared with last, as well as drops in major pollution indexes that monitor concentrations of sulfur dioxide, carbon monoxide, nitrogen dioxide and particulate matter.

尽管如此,中国有关部门上周四表示,北京今年截至目前的蓝天数量较去年同期增加了12天,衡量二氧化硫、一氧化碳、二氧化氮和可吸入颗粒物的浓度的主要污染物指数也有所下降。

The concentration of nitrogen dioxide in Beijing's air was reduced by an average of 20 per cent.

北京空气中二氧化氮的含量平均降低了20%。

Nitrogen dioxide is a free radical of very importance. Laser Magnetic Resonance isa powerful technique in the study of hyperfine and Zeeman characteristics of free radicals.

二氧化氮是很重要的分子,激光磁共振是研究自由基超精细结构和Zeeman特性最强有力的手段之一。

Luminal Chemiluminescence''s is an ASTMEPA standard method for atmospheric monitoring of nitrogen dioxide.

Luminal Chemiluminescence''s 是一个 ASTMEPA 的标准用来监视大气中二氧化氮的浓度。

Climate change is being caused by common greenhouse gases such as carbon dioxide, methane and nitrogen dioxide.

气候变化是由一些普遍的温室气体,如二氧化碳,甲烷,二氧化氮等引起的。

Sulfur dioxide, nitrogen dioxide emissions by more than 56%.

二氧化硫、二氧化氮排放降低56%以上。

Its coal-burning kilns spew out huge quantities of sooty waste and chemical compounds such as sulfur dioxide and nitrogen dioxide.

烧煤的窑炉喷出大量的黑色废气及二氧化硫和二氧化氮等化合物。

Thedust,acid rain, sulphurous dioxide, nitrogen dioxide, carbondioxide and ozone are the main pollutants.

其中影响最大的是降尘、酸雨、二氧化硫、二氧化氮、二氧化碳和臭氧等。

In ultraviolet and spark discharging, dichloromethane, trichloromethane, tetrachloromethane and 1, 2-dichloroethane can react with nitrogen dioxide and nitrogen oxide respectively rapidly.

由此得到氯代烷与NO〓在火花放电、紫外光照射条件下,将发生快速化学反应。这对了解臭氧层中卤代烷烃和氮氧化物之间的化学反应有一定的参考意义。

Other forms of air pollution — sulfur dioxide, nitrogen dioxide and carbon monoxide — rose or fail ed to drop in 2006 after three years of decline, according to the report, which was based on Chinese government statistics.

列举其他污染在下降的数据,但同时不忘强调,这个下降的数据是中国政府给出的。引用 Falt 的话,说明对北京空气及各方面污染能符合国际标准没信心。

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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。