有相污水 的英文怎麼說
中文拼音 [yǒuxiāngwūshuǐ]
有相污水
英文
organic sewage- 有 : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
- 相 : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
- 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)...
- 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...
- 污水 : sewage; slops; effluent; drainage; foul water; polluted water; waste water
-
Abstract : through analysis of the components of coking on different parts of desullfur system of single tower and the waste water containing sulfur, we find the cause of coking in the stripping desulur system from single tower is the polymerization reaction of carbohydrate and the separattion of varied solid powders, organic compounds, and all corrosive productions of metal out of waste water in high temperature, therefore, the solving method is how to decrease the oil content, how to depolymerize form the carbohydrate and how to antisepticize by vapour of waste water
文摘:對單塔脫硫系統中不同部位的垢物及現場催化含硫污水進行了分析測定,結果表明:塔內污垢成分及含量隨塔體部位的不同而不盡相同,單塔汽提脫硫系統中垢物的形成,主要是由於污水中所含各類粉塵、有機物、金屬腐蝕物等在高溫下因石油碳氫化合物的析出及其單體的聚合反應所致.如何降低污水中的含油成分、減少聚合反應的生成、防止污水蒸氣對塔體材料的腐蝕,是阻垢、除垢和防垢應解決的關鍵問題In combination with project example of the application of microporous aeration and carrousel 2000 oxidation ditch process in a municipal sewage treatment plant, the advantages and disadvantages of the process flow compared with others were described ; the basic principle of degrading organic substance and removing phosphorous and nitrogen by means of the process flow was analyzed ; the main design parameters and economic and technical indices for various structures were put forward
結合某城市污水處理廠採用微孔曝氣、卡魯塞爾- 2000型氧化溝工藝的工程實例,闡述了該工藝流程相對于其它工藝流程的優、缺點;分析了該工藝流程降解有機物及除磷、脫氮的基本原理;並提出了該工藝流程中各構築物的主要設計參數及技術經濟指標。Influence of the electrode position on dielectric barrier discharge - induced degradation of methyl violet in aqueous solution
電極位置對等離子體降解水相中有機污染物的影響Before now most of the research has concentrated on the action of single compounds against organisms. when two or more chemicals are applied simultaneously to a living system or unit, the combined effect may be one of the followings : additive action, antagonism and synergism
目前,有關污染物的生物效應研究多數還是集中在單個化合物的生物效應,隨著多種污染物(包括重金屬)進入水域環境后,所發生的聯合毒性效應往往表現為相加、拮抗或增毒作用。In this study a microbial system for biphenyl biodegradation is set up in order to investigate the effects of surfactants on biodegradation of hydrophobic organic compounds. four strains which can grow on biphenyl as the sole carbon and energy sources are selected out, in which alcaligenes eutrophus dj1 and pseudomonas sms02 are chosen as degradation strains. after studing the bioavailability of three nonionic surfactants ( op - 10, tween - 80, and triton x - 100 ), they are added into the biodegradation system of biphenyl
為了考察表面活性劑對疏水性有機污染物生物降解的影響,本論文選擇聯苯作為模擬研究體系,篩選、馴化得到四株可利用聯苯作為碳源生長的菌株;考察了聯苯降解菌株對三種非離子表面活性劑op - 10 、 tween - 80 、 tritonx - 100的生物可利用性;用高效液相色譜法測定了非離子表面活性劑對聯苯的增溶曲線;較系統地研究了加入非離子表面活性劑對聯苯生物降解速率的影響。From the aspect of area distribution, problem of water environment and factors of population, society and economy do n ' t coordinate with each other : in those areas which are rich in water, there are serious pollution and waste ; in those which are lack of water, economy is relatively behind the times ; in those where there is less lack of water, high population density faces the water resource with great potential pressure
水環境問題與人口、社會、經濟等因素在地區分佈上很不協調,如水資源豐富地區,水污染與水浪費十分嚴重;缺水地區,經濟相對落後;缺水程度低的地區,人口密度較高,使水資源存在巨大的潛在壓力。在影響水環境的相關因素中,人口因素的作用十分突出,主要表現在兩個方面:一是地區人口數量與分佈的集中程度是決定水資源壓力及相關水環境問題的真下因素;二是人口素質與水管理水平之間具有一定的正相關關系。Spe ( solid phase extraction ) as a technique of sample pretreatment for aquatic environmental pollutants analysis is reviewed
摘要固相萃取技術非常適用於環境水質中痕量有機污染物的監測分析。No food room contains any soil fitment or latrine fitment or communicates directly with a room or other place which contains a soil fitment or latrine fitment
食物室並無設置任何污水設備或廁所設備,亦不與設有污水設備或廁所設備的房間或其他地方直接相通;Chemical engineers have considerable background that is applicable to water pollution problems.
化學工程技術人員具有相當多的適用於解決水污染問題的基礎知識。In fact, apart from the shenzhen river, the hong kong and shenzhen sides had also established water quality protection and pollution control policies for mirs bay and deep bay in 1999 and 2000 respectively to strengthening our co - operation on the protection of our common waters
除了深圳河外,其實兩地政府有關部門早於一九九九及二年,已分別就兩地相連水域,即大鵬灣及后海灣,制訂水質保護及污染控制政策,以進一步加強合作,保護有關水體。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A sewage pumping station with an installed capacity of more than 2, 000 m3 per day and its boundary is less than 150 m from the existing residential area
裝置的泵水能力超過每天2 , 000立方米,且界線與現有的住宅區相距少於150米的污水泵水站。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。Industry adds its own poisons. factories cluster round the coastline, and even the most modern rarely has proper waste - treatment plant. they do as much damage to the sea as sewage
工業也來湊熱鬧。沿岸工廠林立,但盡管是最現代化的工廠也很少有正確的污水處理計劃。它們及污水對海洋的傷害程度是「不相伯仲」 。It includes : dynamic show of technics flow, real time data acquirement and show, history data save and print, fault alarm, etc. the plc control system mainly accomplishes the wastewater technics flow control, harmonizes the logical relationship among local intelligent control instruments and transmits the state of each local equipment to the industrial computer simultaneously, the plc control station receives the control commands from the industrial computer ; the local intelligent units take charge of the correlated parameters measure, disposal and control, and it will transmit the related parameters to the computer, etc. in this thesis, introduced municipal wastewater treatment technics, the integrated application program development of computer, the design method of plc control station, the communication between plc control system and computer, and the network of wastewater treatment with profibus - dp was also discussed
上位計算機主要實現遠程監測和管理功能,具體包括:工藝流程動態顯示、實時數據獲得及顯示、歷史數據存儲與列印、故障報警等功能plc控制系統主要完成工藝流程式控制制以及協調現場各智能儀表之間的邏輯關系,將現場各設備的運行狀態通過通訊網路傳輸到上位計算機,並接收上位計算機的控制指令;現場各智能儀表單元負責各相關參數的監測和處理、控制,並將有關參數送往上位監控計算機進行處理、保存等。本文以莎車污水處理項目為例,介紹了城市污水處理工藝、上位監控計算機的綜合應用程序開發、城市污水處理自動控制系統plc控制站的設計和採用profibus系列中廣泛應用於現場設備的profibus - dp總線。And the relation between these velocity was analyzed at last. this is the conclusion : ( 1 ) the distribution of the velocity and concentration are get in the open channel flow and as the sewage flow is gravity flow, the equations is fit for this too. ( 2 ) generally speaking, the self - cleaning velocity should be the starting velocity, and it could fit for the self - cleaning target in limited sense theoretically, but when facing some higher requirement, it is not large enough
最後結合污水流動的最小設計流速與顆粒起動流速、臨界不淤流速的關系進行了分析,結論如下: ( 1 )文中所得出的速度分佈與濃度分佈是在明渠兩相流動情況下推得的,由於污水管道流動多為重力流,是明渠流中的一種,所以文中的分析在認識污水流動特性方面具有一定的參考價值。Optimal periodic control with the lowest operational cost by limiting total substrate discharge mass was studied. through adding new state variable and using supplement functions, the problem with restriction conditions was converted into nonrestriction problem. in addition, the dynamic searching method of optimal step coefficient was developed to modify the conventional gradient method, consequently the calculation problem of the multivariable optimal periodic control was able to be resolved better. it was found that the operational costs of optimal control under various initial states are distinctly different. a new concept of optimal control under optimal initial state was presented. it is pointed out emphatically that to the treatment system without optimal control condition, the suboptimal control with extensive practical value can be realized according to the results of optima control
著重研究了在限制有機物排放總量時,使其運行費用最低的最優周期控制問題.通過增加新的狀態變量和用補償函數法,將本課題的有約束條件問題化為無約束條件問題,並提出了最優步長參數的動態搜索法來修改傳統的梯度法,從而較完善地解決了多變量最優周期控制的計算問題.研究中還發現了不同初始條件下最優控制所需要的運行費用也大不相同,進而提出了最優初始狀態下最優周期控制的新概念,這對保證出水質量的同時進一步降低污水處理成本來說具有更重要的意義.本文還強調指出:對于尚不具備實現最優控制條件的處理系統,可根據最優控制的研究結果實現具有廣泛實用價值的準最優控制On the basis of previous studies, the paper presents a comprehensive review and summary on the influence of sediment to water quality in the yellow river, highlighting four issues : 1 the influence of the sediment on pollutant behavier, 2 the relationship between sediment - associated natural organic matter and water quality parameters of oxygen - consuming organic pollutants and its influence on the assessment of the water quality in the yellow river, 3 the relationship between the heavy metal background values of the sediment and the water quality parameters of the heavy metals and its influence on the assessment of the pollution of the yellow river, 4 the influence of sediment ? ? containing much carbonates in the yellow river on the water quality and the monitoring of the water quality
黃河是世界上罕見的多泥沙河流,泥沙與水相互作用對黃河水質產生顯著影響。根據以往研究工作,對黃河泥沙與水質的關系問題作全面的總結評述和展望,著重於4個問題: 1黃河泥沙對污染物行為的影響2黃河泥沙中的天然有機質與黃河耗氧有機物水質參數的關系和對污染評價的影響3黃河泥沙中的本底量重金屬與黃河重金屬水質參數的關系和對污染評價的影響4黃河泥沙中的碳酸鹽對水質和對水質監測研究的影響。The environmental protection department ( epd ) would deploy environmental protection inspectors to conduct sewage inspections and take immediate action, including prosecution, when a complaint about pollution is received in order to address the problem
環境保護署(環保署)有委派環保督察經常到各區巡查有關污水排放事宜,尤其當接到污染投訴時,更會立刻採取包括檢控在內的相關行動以解決問題。分享友人