污染等級 的英文怎麼說
中文拼音 [wūrǎnděngjí]
污染等級
英文
class of pollution- 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...
- 等 : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
- 級 : Ⅰ名詞1 (等級) level; rank; grade 2 (年級) any of the yearly divisions of a school course; gra...
- 污染 : pollute; contaminate
- 等級 : 1 (按質量、程度、地位等的差異而作出的區別) grade; rank 2 (在社會地位和法律地位上不平等的社會集...
-
Using the learning community technology, the author constructed a learning model of thematic learning community on internet among middle schools. then choosing several complex concepts - air temperature, light shadow, light pollution from middle school physics book as learning topic, the author carried out two turns of action research in several middle school class in different areas
本研究以初中物理為實踐學科,選取了「氣溫」 、 「光影」 、 「光污染」等幾個復雜概念作為學習主題,以行動研究的方式,在不同地區的幾所8年級中學生中開展了為期8個月的兩輪應用研究。Two methods were used to provide water quality ratings in bio - assessment using biotic index ( bi ), ( 1 ) using the sampled sites meet the criteria for undisturbed and minimally impaired conditions, the confidence in the distribution of bi value for the 75th percentile to be used as the criterion dividing " unimpaired " form " impaired ". any values below the 75th percentile were considered as " excellent ", and values above the 75th percentile, was quadrisected for different water quality ratings
採用兩種方法研究m指數劃分水質級別的標準: ( 1 )無污染樣點的m指數值法,以75分位數值作為最清潔水質標準,將高於此值的可能分佈范圍一等分,分別代表不同的水質級別zk )所有樣點(污染與無污染樣點)的bi指數值法,以5分位數值作為最清潔水質的標準,將高於此值的可能分佈范圍4等分,分別代表不同的水質級別。Higher tax rates may apply to discourage unsocial behaviours and conspicuous consumptions e. g. tobacco, alcohol, adult films and publications, gambling, flashy nightclubs and restaurants, jewellery, high fashion goods etc. in addition, pollution - levy ought to be considered. 4
高稅率亦可打擊一些較為不受歡迎的活動,例如:煙酒成人刊物及電影或引人注目的消費如賭博上夜總會高級食肆高級時裝和珠寶,亦可考慮徵收環境污染附加稅等。Properties : this product is made from crude high - purity quartz powder, refining by the techniques such as crushing, grinding, sorting in a way of non - iron pollution
理化性質:以天然、高純石英為原料,採用無鐵質污染的方式破碎、研磨、分級等工藝加工精製而成。At the same time the study analyse the structural system of the index and it ' s weight with the ahp, and choose soil quality, soil thickness, the content of organic matter, terrain, elevation and the ration of irrigated guarantee as gradation index and choose soil quality, soil thickness, the content of organic matter, terrain, elevation, the ration of irrigated guarantee, the condition of traffic, the distance from the central city, the scatter degree of field, the neat degree of field, loss of water and erosion of soil and land contamination as classification index. at the same time the study emphasize the effect of the condition of ecological condition and environmental contamination
採用層次分析法對該區域農用地分等定級的指標體系及其權重進行了研究,選擇表層質地、土層厚度、有機質含量、地形、海拔、灌溉保證率等6項指標參與分等評價,選取表層質地、土層厚度、有機質含量、地形、海拔、灌溉保證率、對外交通狀況、距市中心距離、田間道路狀況、田塊分散度、地面平整度、水土流失、土地污染等13個因子分指標區進行定級評價,強調了生態條件及其環境污染狀況在農用地分等定級中的作用。This paper summarizes the pollutants in raw water and their removal techniques, the water treatment process puts emphases on full - process and multi - layer safety barrier techniques, including water resource protection and water body restoration, raw water sale transport, safe purification in waterworks, safe distribution in pipe etc drinking water safety can he ensured by adopting multi - layer safety barrier technique to meet stricter drinking water quality standards
摘要分析源水中污染物質及其去除技術,國內外飲用水處理工藝採用全流程、多級安全保障技術,包括水源保護與水體修復,原水安全輸送,水廠內安全凈化,管網水安全輸配等,以期將污染物質降至水質標準以下,確保飲用水安全。Metal contamination level
金屬污染等級Hydraulic fluid power - fluids - method for coding the level of contamination by solid particles
液壓傳動油液固體顆粒污染等級代號Truck crane and wheel crane. contaminant grade of solid particle in hydraulic fluid
汽車起重機和輪胎起重機液壓油.固體顆粒污染等級Evaluating particulate contamination of hydraulic fluids - method of determining the level of contamination by the gravimetric method
液壓油顆粒污染評定.第7部分:污染等級測定方法Beijing reported grade v pollution, the most serious level in pollution grading, according to the beijing municipal environmental protection department
根據北京市環保局的報告,北京的污染等級為v級,是污染定級中最嚴重的。Preliminary treatment covers removal of larger suspended solids and heavier inorganic particulates through mechanical bar screening, gravitational sedimentation and flotation to keep the subsequent unit operations and processes from clogging and abrasion and to maintain the designed functions of the equipment. commonly used preliminary treatment equipment includes bar screen, fine particle sieving, grit chamber, pre - aeration, grease well and scraping chamber, etc. domestic companies have the capability of manufacturing all equipment except fine sieves
兩大類,其他還有地下水污染處理、海洋港口污染處理、水庫湖泊污染處理等,所需之處理設施大致有攔污設備、沉砂設備、除油設備、沉澱設備、過濾設備、生物處理相關設備、污泥脫水設備、加藥設備、高級處理相關設備等。Discussion on power frequency magnetic field near power equipments and transmission lines
大型發電廠工頻電場污染及不同電壓等級輸電線電場分佈的調查In this paper combustion performances of the single - head annular combustor with different swirler cups are investigated by experiment and numerical simulation. under different fuel - air ratios, profiles of exit temperature 、 combustion efficiency 、 lean blowout limit and pollutant emission are measured
在相同的雙級旋流器情況下,試驗分析不同油氣比對單頭部環形燃燒室的出口溫度分佈、燃燒效率、貧油熄火油氣比以及污染物( co _ 2 、 co和nox )排放等燃燒性能的影響規律。Effects of different fuel - air ratios and different geometric parameters of dual - stage swirler ( such as inner diameters of the primary swirl and secondary swirl passages, outer diameters of the secondary swirl passages, vane angle of the primary and secondary swirler, the distance of the flare exit from throat etc ) on combustion performances are studied experimentally. the experimental results show that radial profiles of the outlet gas temperature 、 combustion efficiency 、 emissions of co2 、 co and nox and lean blowout are affected with different degrees by the different geometric parameters of dual - stage swirler and the arrangement of primary holes
在不同油氣比下,不同的雙級旋流器幾何參數(例如:一級與二級旋流器出口內徑d 、葉片安裝角、二級旋流器出口外徑d 、二級旋流器的喉道到出口截面的距離l和喉道前後的圓弧半徑r以及主燃孔孔布局等)對單頭部環形燃燒室的出口溫度分佈、燃燒效率、貧油熄火油氣比以及污染物( co _ 2 、 co和nox )排放等燃燒性能的影響規律進行了研究。Hydroelectric power exploitation can reduce sediment disposal, lengthen life of power plants in lower stream, control stream, better water quality, and reduce contamination etc. considering the structure of power of sichuan province and pointing out its six problems in power development, this thesis comes up with sustainale development strategy of sichuan hydroelectric power exploitation, that is, prefentially exploit large scale hydropower plant which has good water - adapting capability, comprehensively use water resource, try to reduce cost caused by drowning, stimulate rotating exploitation, well deal with settlement of people in hydroproject construction, and alleviate contamination
論述水電開發在減緩泥沙淤積、延長下游水電站壽命、調控水流、提高供水量、改善水質、提供清潔能源、減少環境污染等方面對長江上游生態屏障建設的作用。本文研究分析了四川水電開發的可持續發展戰略,首先對四川省電力結構現狀進行了分析,指出目前四川電力發展存在的六個主要問題,從優先開發具有良好調節性能的大型水電站、綜合利用好水資源,盡最大可能減少水庫淹沒損失,積極推進流域梯級滾動綜合開發,處理好水庫移民關系,減輕對環境的不利影響等六個方面論述了水電開發的可持續發展戰略。Preparation of steel substrates before application of paints and related products - collected information on the effect of levels of water - soluble salt contamination
塗料和相關產品使用前的鋼襯底處理.水溶鹽污染物等級效應的採集信息The characteristics of single factor water quality identification index are : firstly, it can completely identify the important information including water quality classification of assessed factors, water quality monitoring data, planned water quality classification of water environment function area ; secondly, it can evaluate the selected factors qualitatively by national water quality standards, and water quality monitoring data ; thirdly, it can be used to compare water quality of the same assessed factors in the same classification and water quality of different assessed factors
單因子水質標識指數可以完整標識水質評價指標的類別、水質數據、功能區目標值等重要信息,既能按國家標準類別定性評價,又能根據標識指數進行水質數據的分析;既可以比較分析同一類水質指標在同一級別中的差異,也可以在不同類別水質指標中比較分析水質的污染程度。My paper explored the process and methodology system of pollution - free vegetable industry plan based on county level and put forward the process and method which is based on four phase, including stratagem plan, collectivity plan, subarea plan and project plan. the methodology system include background analysis, location analysis, swot analysis, the natural resource status quo analysis of vegetable growing district, the vegetable production, process and circulation analysis, the pollution survey and evaluation of pollution - free vegetable production and the peasant " s environment consciousness survey and analysis etc. a case in quzhou county, hebei province was studied based on the system above
本文以縣域為單位,對無公害蔬菜產業規劃的步驟和方法體系進行了研究,提出了基於四個層面(發展戰略規劃、總體規劃、分區規劃和項目規劃)的縣級無公害蔬菜產業規劃的步驟和方法體系,其中方法體系的主要內容包括背景分析、區位分析、 swot分析、蔬菜種植區的自然資源現狀分析、蔬菜生產、加工和流通現狀分析、無公害蔬菜生產的污染源調查和評價、農民的環境意識的調查分析等。The results indicated that with the change of water and sand condition and the altitude of tongguan and the development of the industry and agriculture in recent decades, the water environment of wei river had changed largely, which were shown as follow : annual runoff and seasonal flood decreased sharply ; water stream of large discharge decreased and the range of runoff decreased greatly ; sediment load per year decreased generally, sediment concentration of water increased, and the sand silting up was serious ; water channel swung and shrank, and water regime deteriorated ; frequencies of big floods decreased obviously, and hyper concentrated flood increased obviously ; water levels of the same runoff rose universally, and the frequencies of the floods increased and aggravated ; water pollution was very serious
結果表明,近期隨著水沙條件、潼關高程等的變化及工農業的發展,渭河的水環境發生了巨大變化,表現在年水量及汛期水量銳減;大流量級水流出現次數減少,水量減少幅度大;年輸沙量總體減少,河水含沙量增大,泥沙淤積嚴重;河道向擺動型發展,河道萎縮,河勢惡化;大洪水發生的次數顯著減少,高含沙小洪水明顯增多;同流量洪水位普遍抬高,洪災發生次數增加,洪災加重;水質污染極為嚴重。分享友人