水污染指數 的英文怎麼說
中文拼音 [shuǐwūrǎnzhǐshǔ]
水污染指數
英文
index of water pollution- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 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...
- 指 : 指構詞成分。
- 數 : 數副詞(屢次) frequently; repeatedly
- 污染 : pollute; contaminate
- 指數 : 1. [經] (比數) index number; index 2. [數學] exponent
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Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources
基於以上考慮,論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討:全面回顧了「可持續發展」概念的由來與演變,對國內外「可持續發展」的研究現狀進行了述評,並對「可持續發展」概念的科學內涵進行了深入探討;對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述,對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解;全面闡述了地下水資源變值系統理論的內容和意義,並與傳統的地下水資源計算評價方法進行了對比分析,結合實例具體說明了方法的應用;深入分析了地下水資源預測預報工作的極端重要性和復雜性,對傳統的地下水資源動態預測方法進行了全面的評述,指出了各類預測預報方法的特點及適用條件,對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍,以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹,並應用於地下水動態過程線的分析,採用時間序列中的b ? j法,蒙特卡羅方法,與地下水資源變值系統理論相結合,探討了地下水動態資料分析和地下水資源預測預報的新思路;綜合分析了現今各類地下水管理模型的特點及缺陷,將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度,使模型更準確、更實用;對保證地下水資源可持續開發的內部條件和外部條件進行了分析,內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀,科學的資源計算與評價方法,可靠的資源預測預報技術,可操作的資源管理措施,外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。Collecting a large number of atmosphere, soil and irrigation water, using the method of monomial and composite pollution exponent, the general situation of grain early warning is studied and a grain early warning system is built
本文從糧食生產過程中的大氣、土壤及農田灌溉水出發,運用單項污染指數與綜合污染指數相結合的評價方法進行糧食生產的預警研究,構建了糧食本底安全預警系統。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。How could the epd know the best steps to take without hard scientific evidence of the nature and extent of beach water pollution in hong kong ? the epd realised it would need to develop a scientifically sound set of water quality objectives. it would need to conduct epidemiological studies that could establish clear relationships between bacteria in the water and the specific health risks associated with swimming at beaches in hong kong
可是當時環保署並沒有可靠的科學數據以界定香港泳灘水質污染的性質和程度,因此環保署便開展了流行病學研究,以評估水中細菌含量與游泳相關疾病風險的關系,從而為泳灘水質監測訂定一套具科學性的水質指標。Erlongshan reservoir water quality was evaluated for class and class by monitoring continuously indexes and was unable to meet the requirement of central drinking water source due to higher cod ( subscript mn ), tn and tp and eutrophic environment
摘要連續監測和分析了二龍山水庫的水質,對水污染程度進行了評價,水庫高錳酸鹽指數、總氮和總磷超標嚴重,呈現富營養化狀態,總體水質為類和類,已無法滿足集中式生活飲用水水源地的水質要求。The joint toxicity of heavy mental ions lead, zinc and cadmium to hydra sp. was evaluated using the additive index method
摘要以水螅為實驗生物,採用相加指數法,研究了鉛、鎘和鋅3種重金屬離子復合污染物的聯合毒性。It is pointed out that the increase of the pollutional quantity is caused by socioeconomic development, non - effective execution of laws and national policies, slow progress in pollution control, increase of pollution discharge orifices and so on
指出造成排污量增大的原因是:社會經濟快速發展,入河排污口數量增多,查處違法不嚴,貫徹國家政策不力,對水污染治理滯后等。The application of ept index to polluted water monitoring
指數在水污染監測方面的應用In this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes
本文將水質預測及水污染控制措施有機地結合,選取水環境容量和污染指數作為水污染控制的參數.這樣,一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進,因為其採用四點隱格式對水質進行預測,推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值,從而制定相應的水污染控制措施.為整體考慮各種污染物的情況,建議採用河流的污染指數進而推求綜合污染指數.總之,本研究為水質保護提供了科學的計算方法,該法對水污染控制及污水對河道水質的影響是實用有效的Abstract : in this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes
文摘:本文將水質預測及水污染控制措施有機地結合,選取水環境容量和污染指數作為水污染控制的參數.這樣,一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進,因為其採用四點隱格式對水質進行預測,推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值,從而制定相應的水污染控制措施.為整體考慮各種污染物的情況,建議採用河流的污染指數進而推求綜合污染指數.總之,本研究為水質保護提供了科學的計算方法,該法對水污染控制及污水對河道水質的影響是實用有效的On the basis of the safety system engineering theory. applying the dow fire & explosion index and the normal stability gauss mathematical diffusion model etc., combining with the practice of mouping port, the hazards during the handling and storage of liquid chemicals in bulk have been analyzed and the risks of fire explosion and leakage ( including water pollution and water pollution ) have been assessed. taking into account of insufficient consideration of the human factor in the dow fire & explosion index, the soft compensation coefficient has been raised
本文以安全系統工程為理論基礎,運用道氏火災爆炸指數法、平均運動方程組以及常穩態高斯數學擴散模型,結合牟平港散化運輸、裝卸的實際,對牟平港散化儲運的火災爆炸危險性和毒物泄漏危險性(包括水污染性和大氣污染性)進行了定性和定量的分析評價。在評價程序上,針對道氏火災爆炸指數法中對人為因素和管理水平等考慮不足的問題,提出了軟補償系數的概念,找出了散化碼頭日常監督管理工作的重點。The air pollution index has reached the emergency level
而污染指數也已經達到了危險的水平。The determination of fouling index of water
水質污染指數測定方法The roadside air pollution index reached the " very high " band nine times in february 1999
路邊空氣污染指數於1999年2月達到甚高水平有9次之多。The api transforms the air quality data measured at monitoring stations into a single number ranging from 0 to 500. higher values indicate higher levels of pollution
空氣污染指數是從各個監測站錄得的空氣質素數據計算出來的一個由0至500的數值,指數越高,即表示空氣污染水平越高。In fact, the who has not laid down any guidelines on how to calculate apis. nor has it set any guideline level for respirable suspended particulates ( rsp ). therefore, there is no who " guidelines " to follow in computing a comprehensive api
事實上,世界?生組織並沒有設定任何計算空氣污染指數的準則,亦沒有訂下可吸入懸浮粒子的指引水平,因此不可能按他們的指引來制訂本港污染物的指數。Then all of these features were used to taihu lake water pollution analysis. and a kind of contour map representing pollution degree was obtained, by which it can be known about the pollution situation of whole water area
並用此方法對太湖水污染情況進行分析,給出了一種污染指數的定義,計算出污染程度等高線,據此等高線圖可以從宏觀上了解整個水域的污染情況。To scientifically evaluate the quality of water environmental of xishan district, this text proposes revising the original evaluation system, makes certain improvement in original evaluation system, such as settlement of factor, synthesizing pollution index computing method, water pollution degree judge method, etc
摘要為全面、科學地評價錫山區水環境質量狀況,提出對原有評價體系作出修改,即對原評價體系中,評價因子的沒定、綜合污染指數計演算法、水污染程度的判定方法等作了一定改進。The environmental protection department releases hourly information to inform the public about air pollution levels
環境保護署會每小時公布空氣污染指數資料,讓市民知道最新的空氣污染水平。The air pollution index compiled by the environmental protection department informs you about the air pollution level in hong kong
空氣污染指數環境保護署公布的空氣污染指數可告知市民本港的空氣污染水平。分享友人