氮氧化物污染 的英文怎麼說
中文拼音 [dànyǎnghuàwùwūrǎn]
氮氧化物污染
英文
nitrogen oxide pollution- 氮 : 名詞[化學] nitrogen (7號元素, 符號n)
- 氧 : 名詞[化學] (氣體元素) oxygen (o)
- 物 : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
- 污 : Ⅰ名詞(臟水; 臟物) slops; sewage; dirt; filth Ⅱ動詞(弄臟) defile; dirty; smear Ⅲ形容詞1 (臟)...
- 染 : Ⅰ動詞1 (用染料著色)dye 2 (感染) catch [contract] (a disease) 3 (沾染) acquire (a bad hab...
- 氧化物 : oxide; oxyde; oxidizing material; oxidate
- 氧化 : [化學] oxidize; oxidate; oxide; burning; rust; oxygenize; oxido-; oxy-
- 污染 : pollute; contaminate
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One of wetland s function is to filter the pollutants. when the river goes through wetland with pollutants, the hydrophyte will slow down the speed of the stream and attract heavy metal so that those pollutants will steep in the ground. the chemical reaction of nitrogen and phosphorus from those water plants prevent water from oxidation
濕地具有過濾污染物的功能,當河水挾帶著污染物流經濕地時,濕地上的水生植物,會使水流速度減緩,吸附重金屬,且讓污染物沈澱在濕地的底部,並藉著植物留存氮和磷,來預防水質優氧化。Nitrous oxide pollution of the atmosphere occurs usually from the nitration of cellulose and other organic materials.
大氣中的一氧化二氮污染通常由纖維和其他有機物質的硝化作用產生。Stationary source emission. determination of nitrogen oxid. n 1 - naphtye - ethylenediamine dihydrochloride spectrophotometric method
固定污染源排氣中氮氧化物的測定.鹽酸萘乙二胺分光光度法The major pollutants include nitrogen oxides ( nox ), sulphur dioxide ( so2 ), suspended particulates and carbon monoxide ( co )
這些污染物主要包括氮氧化物、二氧化硫、懸浮粒子及一氧化碳。When a temperature inversion is formed in the pearl river delta ( prd ) region, or when a weak northerly or northwesterly wind prevails, ambient air pollutants ( including nox and voc ) in the region will be trapped easily in the lower atmosphere and cannot be dispersed effectively. the above factors, if coupled with strong sunlight, will favour the building up of ozone concentrations
當珠江三角洲區域一帶出現逆溫層現象,或者吹微弱北或西北風時,區域內空氣中的污染物(包括氮氧化物及揮發性有機化合物)很容易會被困在大氣的低層,不能有效消散;如再加上強烈的陽光,臭氧濃度便會增高。Based on the method of fuzzy mathematical comprehensive evaluation, this paper assesses the quality of atmosphere in wuhan with selecting so2, no2 and pm10 as evaluation factors, consulting the standards relevant to atmosphere environment and building the attaching function and the weight muster
摘要運用模糊綜合評判的方法,選取二氧化硫、二氧化氮和可吸入顆粒物作為評價因子,參照我國環境空氣質量標準,通過建立各污染物的隸屬函數和權重集,計算出各污染物的隸屬度和權重分配系數,進而對武漢市空氣質量進行模糊綜合評判。Application of grey system theory for prediction of pollution index in air nitric oxides
灰色系統理論預測大氣氮氧化物污染的應用Electrolytic polishing needs expensive equipments and jigs ; and chemical polishing make worse damage to environment and workers. easily make cyber - flashing sand plane
電解拋光設備投資大,需特殊夾具;化學拋光和電解拋光產生的氮氧化物和酸霧等嚴重污染環境並毒害人體Quality problem is a significant strategy problem. quality management in work site is the important link of the overall quality managment. the paper summarizes the missions of quality management in situ in four aspects, i. e. the prevention of quality defects, control of quality working procedure. improvement of quality, inspection and evaluation of quality. the specific requirements and implement measures for quality management which should be performed strictly by managing staff, technicians and workers are also proposed in this paper
乙醇,俗稱酒精.乙醇汽油是一種由糧食及各種植物纖維加工而成的燃料乙醇和普通汽油按一定比例混配的替代能源.按照現行國家標準,乙醇汽油是用90 ?的普通汽油與10 ?的燃料乙醇調合而成,它可有效地改善油品的性能和質量,降低一氧化碳、碳氫化合物、氮氧化物等主要污染物的排放,有著巨大的環保效應,而且它對機動車的行駛性能也沒有影響Under the permitted conditions, the all - scale plant was made to pre - ozonation. the results showed : ( l ) the optimal advanced purification drinking water process should be " regular treatment + ozonation + biological activated carbon ". though pre - ozonation had no effects on ammonia nitrogen in the water of micro - pollution water source, instead the turbidity of pre - oxidation finished water was raised, it had effects on killing bacteria and removing algae, and controlling the growth of micro - organism
得出如下結論: ( 1 )最優化的深度處理飲用水的工藝應該是「常規處理+臭氧化+生物活性炭」 ,如果投加預臭氧,對微污染水源水中的氨氮沒有效果,反而引起預氧化出水的濁度升高,但是對滅菌除藻,控制微生物的生長有一定的作用。Guangdong, for its part, is building four large scale natural gas power plants that will start operating in phases from 2006. flue gas desulphurisation will be installed in all other power plants with a capacity of 125 megawatts or greater by 2007. low nitrogen oxide burners are also being installed and highly polluting coal - fired boilers and industrial furnaces are being phased out
廣東省亦正興建四間大型天然氣發電廠,這些設施預計可在2006年起分階段投產,此外全省其他125兆瓦或以上發電容量的發電廠在2007年或之前裝妥煙氣脫硫裝置,廣東省並逐步裝設低氮氧化物燃燒器和淘汰高污染的燃煤和工業鍋爐。Most of the vehicles are running on fossil fuel, e. g. petrol, diesel or gas, which is non - renewable and will be exhausted eventually. fuel combustion also emits carbon oxides and nitrogen oxides, which cause air pollution
現時,大部分汽車都是以化石燃料(例如:汽油、柴油或石油氣)開動,而這些燃料都是不可再生的資源,會有耗盡的一天,而它們燃燒時所排放的碳氧化物及氮氧化物,會污染我們的空氣。Abstract : effective removal of no by catalytic process has attracted extensive attentions and a host of the novel catalysts have been developed in the last decade
文摘:如何看效地脫除氮氧化物是目前空氣污染治理的一個重點和難點,催化還原和催化分解是目前研究得較多的脫除氮氧化物方法。The smoke, sulphur oxides, nitrogen oxides, etc. caused by the volcano eruptions, earthquakes, and forest fires are called natural pollutants ; caused by the human productions, life are called man - made pollutants
火山爆發地震森林火災產生的煙塵硫氧化物氮氧化物等,叫作自然污染源人類的三產生活活動形成的叫作人為污染源。Ozone is not directly emitted from any source, and is formed under photochemical reaction between nox and voc under sunlight
臭氧並非直接由污染源排放,而是由氮氧化物與揮發性有機化合物在陽光下產生光合化學反應所形成的。On the base of the study of dense gas - solid flow, we make full - scale numerical simulation on the combustion and pollutant emission processes of the 75t / h circulating fluidized bed ( cfb ) which is developed by our institute. we draw the conclusion on the characteristics of flow field, particle track, temperature profiles and species profiles. we also study the characteristics of coal combustion and nox formation and the interactive influence between them
在對高濃度氣固兩相流動的系統研究基礎上,針對我們熱能所研製開發的75t h循環流化床熱電氣三聯供裝置,首次對于流化床燃燒爐內的燃燒和污染物排放進行了較全面的數值模擬,得出了爐內的流場、顆粒軌跡場、溫度場和組份場,研究了煤粉燃燒特性和氮氧化物的排放特性以及影響它們的因素。In hong kong, concrete slabs coated with titanium dioxide removed up to 90 percent of nitrogen oxides, most commonly spewed from older cars and diesel trucks and a contributor to smog, acid rain and other environmental headaches
那些氮氧化物多是老舊車輛、柴油卡車噴出的,也是造成煙霧、酸雨等環境污染物的根源。Ozone in the ambient air is not directly emitted from any source but is formed under photochemical reaction between nitrogen oxides ( nox ) and volatile organic compounds ( voc ) under sunlight
(二)室外的臭氧並非直接來自污染源頭,而是因氮氧化物與揮發性有機化合物在陽光下發生光合化學反應而形成的。When a temperature inversion is formed in the pearl river delta ( prd ) region, or when a weak northerly or northwesterly wind prevails, ambient air pollutants ( including nitrogen oxides ( nox ) and volatile organic compounds ( voc ) ) in the region will be trapped easily in the lower atmosphere and cannot be dispersed effectively. the above factors, if coupled with strong sunlight, will generate ozone under photochemical reaction between nox and voc and lead to the phenomenon of photochemical smog
當珠江三角洲區域一帶出現逆溫層,或者吹微弱北或西北風時,區域內空氣中的污染物(包括氮氧化物及揮發性有機化合物)很容易會被困在大氣的低層,不能有效消散;如再加上強烈的陽光,氮氧化物與揮發性有機化合物便會產生光合化學反應,形成臭氧及引致光合化學煙霧現象。Apart from sulphur dioxide, nitrogen oxides and respirable suspended particulates, which are more widely known, volatile organic compounds ( vocs ) are also critical to the formation of smog
除了較多人認識的二氧化硫、氮氧化物、可吸入懸浮粒子以外,揮發性有機化合物亦是構成煙霧現象的關鍵污染物。分享友人