查询词典 nitrogen monoxide

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。

Objective To research how to control reduce carbon monoxide and nitrogen oxides produced by gas water heater.

目的研究燃气热水器燃烧产物中CO和NOx的产生与控制。

Guards against the facture and the correlation stipulation based on the air pollution defines, the air pollutant may divide into four big projects, respectively be the gaseity pollutant (including sulfur oxide compound bucket carbon monoxide, nitrogen oxide compound, hydrocarbon, chlorine, gasified hydrogen, fluoride, chlorhydrocarbon and so on), the granular pollutant (including suspended particulate matter, golden bureau coal smoke, black smoke, acid fog, falls dust and so on), two pollutant (refers to pollutant to pass through photochemical reaction in air to have pollution again, including photochemistry fog, photochemistry high oxide compound and so on) and odor matter (including chlorine, hydrogen sulfide, curing methyl, sulfur alcohol type, methyl amines) and so on.

依据空气污染防制法及相关规定所定义，空气污染物可分为四大项目，分别为气状污染物（包括硫氧化物勺一氧化碳、氮氧化物、碳氢化合物、氯气、气化氢、氟化物、氯化烃等）、粒状污染物(包括悬浮微粒、金局煤烟、黑烟、酸雾、落尘等)、二次污染物（指污染物在空气中再经光化学反应而产生之污染，包括光化学雾、光化学性高氧化物等）及恶臭物质(包括氯气、硫化氢、硫化甲基、硫醇类、甲基胺类)等。

In 1970, a law was passed prohibiting the development of more than the specified level of lead, carbon monoxide, sulfur dioxide, nitrogen oxide, volatile organic compounds, ozone and various toxic substances.

1970年，通过了一项法律，禁止那些铅、一氧化碳、二氧化硫、氮氧化物、挥发性有机化合物、臭氧以及其它有毒物质超过规定标准的生产。

The major pollutants emitted are sulphur oxides, nitrogen oxides, hydrocarbons, carbon monoxide, and malodorous materials.

排出的主要的污染物是硫的氧化物、氮氧化物、烃类、一氧化碳和和有恶臭的物料。

Researchers also blamed exposure to nitrogen dioxide, carbon monoxide and particulates for the increase.

研究人员还指责了二氧化氮，一氧化碳和颗粒物的增加问题。

Because cars and asphalt roads to make the air full of formaldehyde, carbon monoxide, nitrogen …… at least 200 meters away from the car trunk road be considered safe.

由于汽车和沥青路面，使空气中的甲醛充分，一氧化碳，氮……至少有200米的车距主干道路被认为是安全的。

Carbon monoxide is also an ozone precursor, but to a lesser extent than unburned hydrocarbons or nitrogen oxides.

一氧化碳也是臭氧的前体，但比未燃烧的碳氢化合物和氮氧化物程度较轻。

The security aerocyst uses the gas many is the nitrogen or the carbon monoxide.

安全气囊所用的气体多是氮气或一氧化碳。

The coordinated COD of 3 and 4 can be replaced by carbon monoxide to yield the corresponding dicarbonyl species [(C,N-pyN^C-R) M2]BF4 (14, M= Rh; 15, M= Ir). Ligand substitution of 11a by phosphines and azide causes the de-complexation of pyridinyl-nitrogen donor to generate the corresponding carbene rhodium complexes [(C-pyN^C-Mes)RhPR3] (17a, R = Ph, 17b, R = Et) and [RhN3] (19), respectively, indicating the labile nature of steric-hindered pyridinyl-nitrogen donor.

螯合错合物的吡啶配位，可以容易被σ-予体，如卤离子、叠氮阴离子、膦试剂，置换；但是铑与铱金属螫合物与π-酸试剂，如一氧化碳、异腈，则发生COD被置的产物14a与16；与三甲基亚磷酸酯反应时，COD及吡啶均会被取代而得到单芽的三铑-碳烯错合物18；双膦化合物则会取代铑金属上全部的配位基。

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