查询词典 nitrogen oxide

The results showed that nitrogen oxide was strongly deoxidized to nitrogen by iron; Petroleum coke char and CO could promote the heterogeneous reaction of Fe and NO, deoxidize iron oxides, and prolong the active time of iron; while limestone had little effect on the heterogeneous reaction.

结果表明：Fe对NO有很强的还原作用；石油焦焦炭和CO对Fe与NO之间的多相反应具有很强的促进作用，可还原Fe的氧化物，延长Fe的作用时间；而石灰石对Fe与NO之间的多相反应几乎没有作用。

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。

A research of reduction of nitrogen oxide using gold catalyst supported on cobal-tosic oxide was conducted.

在以四氧化三钴为载体的金催化剂上，进行了一氧化氮还原反应的研究，催化剂采用共沉淀法制备。

However, with the advancement of technology, modern chemical industries as well as the use of fossil fuels in mankind's daily lives which emit carbon dioxide, nitrogen oxide, sulphurate oxide and suspended air particulates etc.

然而伴随着科技日新月异的提高，现代化工产业以及人类生活中使用化石燃料所产生的二氧化碳、氮氧化物、硫氧化物与可悬浮颗粒物等可以改变原有的空气组成，并引起污染，造成全球气候变化，破坏生态平衡，影响人们的身体健康和生活质量。

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。

The result form the principal component analysis of pollution factors by SPSS shows that the increasing of sulphur dioxide, nitrogen oxide compound and falling dust particles results in the decrease of the Total Suspended Particles, and the aggrandizing of nitrogen oxide compound and TSP leads to the reduction of falling dust particles.

并应用SPSS软件时公路污染因素进行主成分分析，得出了二氧化硫、氮氧化物和尘降的增加会相应导致TSP减少，氮氧化物和TSP的增加会导致尘降减少的结论。

Keywords Palladium;Titanium oxide;Barium oxide;Aluminum oxide;Nitrogen oxide;Storage-reduction catalyst;Sulfur resistance;Lean burn engine emission

钯； 氧化钛；氧化钡；氧化铝；氮氧化物；储存-还原催化剂；抗硫性能；贫燃发动机尾气

The matter is degraded under high temperature, and then they can oxide mercury and selectively reduce nitrogen oxide into innocuous nitrogen; smoke gas is treated in desulfurization unit to absorb bivalent mercury and sulfur dioxide.

这些物质在高温烟气中分解后，能够将烟气中的单质汞氧化并将氮氧化物选择性还原为无害的氮气，烟气再经脱硫装置处理，将其中的二价汞和二氧化硫同时吸收净化。

The invention relates to a method for cleaning mercury and nitrogen oxide in fire coal smoke gas, employing specific chemical matter as additive to be added into high-heat smoke gas in furnace, said chemical matter selectively reducing nitrogen oxide and oxiding mercury into bivalent mercury.

本发明涉及一种燃煤烟气中单质汞与氮氧化物的同时净化方法，采用特定的化学物质作为添加物加到锅炉的高温烟气中，通过该化学物质对烟气中的氮氧化物进行选择性还原，同时将单质汞氧化成二价汞。

Several recoverable processes of nitrogen oxide are compared,The pressor absorption process is selected to treat nitrogen oxide waste gas producing in the industry production of Hexanoic acid and better results have been attained.

比较了几种氧化氮的回收方法，选择了加压吸收方法作为己酸工业产生氧化氮废气的处理方法，取得了较好效果。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。