絮凝率 的英文怎麼說

中文拼音 [xùnínglǜ]
絮凝率 英文
flocculation ratio
  • 絮 : 絮名詞（姓氏） a surname
  • 凝 : 動詞1. （凝結） congeal; curdle; coagulate 2. （注意力集中） fix
  • 率 : 率名詞（比值） rate; ratio; proportion
  1. By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent

    最後，本文還對絮凝動力學和絮體結構進行了研究，在前人研究的基礎上，針對高分子絮凝黃河泥沙，對絮凝過程作了一些符合試驗條件的假設，建立了顆粒碰撞頻率表達式，應用了顆粒數量平衡方程，從而建立了絮凝過程的動力學生長模型，模型計算結果與試驗數據對比表明，二者趨勢一致，在沒有使用經驗參數的情況下基本上能夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程；對絮體結構的研究中，應用掃描電子顯微鏡和透射電子顯微鏡對絮體進行了觀察，將絮體分為絮粒、絮團和絮網三個不同的生長階段，通過假設顆粒結合位置符西安建築科技大學博士學位論文合正四面體，建立了絮體結構模型，計算得到的模型絮體分形維數基本與試驗中的實際絮體相符，在一定程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。
  2. Test method for determination of the maximum flocculation ratio and peptizing power in residual and heavy fuel oils optical detection method

    測定剩餘和重燃料油的最大絮凝率和膠溶能力的試驗方法
  3. Standard test method for determination of the maximum flocculation ratio and peptizing power in residual and heavy fuel oils optical detection method

    測定殘余燃料油和重燃料油中最大絮凝率和膠溶能力的標準試驗方法
  4. After flocculation, the removal of cod _ ( mn ), uv _ ( 254 ), fe, mn will enhance. according to the results, this paper suggests adopting the improved process : raw water - coagulation - gas - floatation - sedimentation - uf - chlorin - disinfection

    原水經微絮凝處理后再進行超濾， cod _ （ mn ） 、 uv _ （ 254 ） 、鐵、錳等指標的去除率有所提高，但仍未達到飲用水水質標準。
  5. While fractal dimensions of floes are 1. 34 - 2. 31 during different flocculating condition when the flocculating agents is polyaluminum chloride ( pac ). moreover, under the best added quantity condition ( when the raw water is 170mg / l, the best added quantity of aluminum sulfate is 3. 0mg / l and the best added quantity of pac is 2. 0mg / l ), no matter

    若先投加cac12再投加pac ，混凝效果最好的水樣的絮凝體的分形維數為1 . 48 ， cod去除率為93 % ，此時caci :的投加量為1
  6. By designing some static flocculation experiments during different flocculating agent and different flocculating condition, the modal characteristic of floes are observed in experimented process and microscope photo of floes are shot. afterwards fractal dimensions of floes are calculated according to microscope photo of floes. the experimental result suggested that fractal dimensions of flocs are 1. 31 - 2. 38 during different flocculating condition when the flocculating agent is aluminum sulfate

    當pac投加量為5 . omg / l並採用caci :為助凝劑時，若先投加pac再投加cacb ，混凝效果最好的水樣的絮凝體的分形維數為2 . 43 ，化學需氧量去除率94 . 7 % ，此時的cacb投加量為1 . 5m留飛。
  7. The studies on flocculation parameters of high turbidity water are completed more integrally, including establishing the equation about the relationship between the covering ratio of flocculent on silt surface 6 and the surface area of silt particles s. the re - concentration law of thickener underflow is studies

    建立了一定沉速下，泥沙固體顆粒表面覆蓋率與泥沙顆粒表面積s間的函數關系式；較系統地完成了高濁度水絮凝參數的研究。研究了高濁度水沉澱池排泥的再濃縮規律。
  8. On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula

    應用透光率脈動檢測技術和光散射顆粒粒度分析儀（ pda ） ，通過理論分析，將pda的輸出信號之一? ?平均透光強度（對應于dc值）作為原水的特性表徵參數， dc值可以同時反映顆粒濃度和比表面積因素的影響，試驗結果證明， dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪函數關系： dc = cs _ p ~ d ，式中c 、 d為經驗系數，進而得到了以dc值為參數的高分子絮凝劑投藥量公式： d = f （ dc ） = e （ dc ） ~ f ，式中： e 、 f為經驗系數，平均相關系數達0 . 981 ，利用所建立的公式，建立了前饋? ?后饋聯合控制的在線自動投藥模型。
  9. The particles aggregation was simulated using particle - cluster and cluster - cluster aggregation model. several type of floes was reached and its morphological characteristics was analyzed the fractal dimension, density and porosity of floes was studied by changing sticking probabilities, sticking position, particle number, particle concentration, difrusion coefficient and motion trajectory. the parameters by which special floes growth were determined. in the study of morphology, floes of yellow river ' s loess particles was observed by tv - microscope. its morphological characteristics were obtained by image analysis. the effect of fractal dimensions by stirring time strring speed, macromolecule flocculant dosage, flocculant concentration and particle concentration was studie. its rule of change was obtained. on the basis of other studies, the flocculation kinetics and floes structure was studied

    本文應用計算機模擬技術，在二維空間內採用單體凝聚和集團? ?集團凝聚兩種模型對顆粒凝聚過程進行了模擬，得到了多種形態的絮體，並對絮體進行了形態分析，通過改變粘附概率、粘附位置、顆粒數量、顆粒濃度、擴散系數和運動路徑等模擬參數，我們考察了絮體分形維數、密度和孔隙率隨模擬條件變化的影響規律，得到了形成特定形態絮體的控制參數。
  10. Because of the influences of the turbidity, ph of raw water, current, temperature and the pollutions of raw water, the process of coagulant dosage is a very complex reaction. to find out the automation of coagulant dosage and reduce the cost of the coagulant, many domestic and international scientific research organizations make research into the theory and mechanism of automation of coagulant dosage, such as the streaming current control method ( scd ), the emulation experimenting method in spot, mathematics model, flocculation control device ( fcd )

    由於受到原水濁度、 ph值、配水流量、原水溫度和其他水質污染的影響，投藥絮凝過程是一個非常復雜的反應過程，為實現投藥系統的自動化和降低混凝劑耗率，國內外相當多的科研機構和院校在進行投藥機理和自動化處理的研究，主要有流動電流儀檢測法（ scd ） 、現場模擬實驗法、數學模型、顯示絮凝控製法（ fcd法）等自動投藥方式的研究和實驗。
  11. Abstract : the recent development of coagulants and flocculent wa s reviewed. three topics were discussed : ( 1 ) mechanisms of coagulants and flocculen t, and the experimental methods of process study ; ( 2 ) development of coagulants and flocculent ; ( 3 ) researches on improvement of coagulants and flocculent efficiency, process optimization and on - line monitoring and controlling as well

    文摘:分三部分論述了90年代以來國內外混凝劑和絮凝劑研究的主要進展： 1 ）混凝、絮凝的微觀機理及其行為的研究成果和實驗研究手段； 2 ）混凝劑和絮凝劑的開發； 3 ）混凝和絮凝方法在廢水處理中的凈化效率的提高、條件優化和在線監控等。
  12. The recent development of coagulants and flocculent wa s reviewed. three topics were discussed : ( 1 ) mechanisms of coagulants and flocculen t, and the experimental methods of process study ; ( 2 ) development of coagulants and flocculent ; ( 3 ) researches on improvement of coagulants and flocculent efficiency, process optimization and on - line monitoring and controlling as well

    分三部分論述了90年代以來國內外混凝劑和絮凝劑研究的主要進展： 1 ）混凝、絮凝的微觀機理及其行為的研究成果和實驗研究手段； 2 ）混凝劑和絮凝劑的開發； 3 ）混凝和絮凝方法在廢水處理中的凈化效率的提高、條件優化和在線監控等。
  13. The output signal of pda is affected by the suspended particle concentration, particle size, and the type and dosage of coagulant as well. by analysing the fi curve, it is found that the characteristic parameters of fi curve closely relate to aggregates size and turbidity removal the aggregates size and turbidity removal achieve the maximum when the amplitude of fluctuation is the maximum. the mean diameter and fractal dimension increase with agitation time, and finally reach a steady - state

    通過對混凝過程的在線監測和對pda輸出信號fi曲線的數學解析表明： fi曲線綜合反映了懸濁液中膠體顆粒濃度和顆粒粒徑，混凝劑種類和投量很大程度上影響了fi曲線形狀， fi曲線的特徵值與絮凝體平均粒徑和濁度去除率之間具有良好的相關關系，在振幅最大處，濁度去除率達到最高，絮體平均粒徑最大，該條件下對應的投藥量為最佳投藥量。
  14. The filter rate of the rotating impeller press filter and its effective factors in the dye wastewater treatment after flocculation were studied, the dynamic filtration was compared with the terminal filtration, and a comparative research was made of the efficiency in the dye wastewater treatment of the ceramic film and the organic film

    考察了以陶瓷膜為過濾介質的旋葉壓濾機對絮凝后的廢水進行處理的過濾速率及其影響因素，進行了動態過濾與終端過濾的比較，以及陶瓷膜與有機膜在廢水處理效果上的對比研究。
  15. Abstract : based on the turbulent flow kinetics theory the paper describes astudy on two - region flocculation model, the turbulent region is the dominant effect of fiocculation speed, the transition region is the dominant effect of scale and compactness of floculating body, and the order magnitude of available energy disipation and controlling index is put forward

    文摘:應用紊流動力學原理，分析紊流條件下兩區絮凝模型，提出紊流區主導絮凝速率，過渡區主導絮凝體的成長尺度及密實度，導出了有效能耗的量級及絮凝控制指標。
  16. The main conclusion are as bwlow : 1. for microflocilation / uf progress, ferric salts were better than aluminum salts ; the more dose of coagulant, the high removal rate of organic matter. however when dose increased to a certain level ( 6mg / l alo2 ), fouling was higher instead

    主要成果和結論如下: 1 .微絮凝-超濾工藝中，鐵鹽混凝劑比鋁鹽要好;隨著混凝劑投加量的增加，有機物的去除率也隨著增加，但當混凝劑投加量增加到一定量（以al2o3計為6mg / l ）時，反而會加劇膜污染;投加pam （聚丙烯酰胺）對提高有機物去除率沒有幫助，但可以緩解膜污染。
  17. Online monitoring of the coagulation process by pda2000 shows that flocculation index is fairly consistent with the removal of toc, the bigger the fi, the higher the toc removal. in this paper, preliminary study on floc structure is also reported. it is found that various coagulation conditions lead to different floc structures

    在混凝過程中利用pda2000進行光學在線監測，充分表明其輸出信號fi指數與toc去除率之間具有很好的相關性， fi指數越大， toc去除率越好，並且通過對fi指數的解析，可看出其對混凝過程及絮體的變化具有很靈敏的表徵作用。
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