flux concentration 中文意思是什麼

flux concentration 解釋
熔劑濃度
  • flux : n 1 流,流出;流動。2 漲潮。3 不斷的變動,波動。4 【物理學】流量,通量,電通量,磁通量。5 熔解,...
  • concentration : n. 1. 集中。2. 【化學】提濃,蒸濃,濃縮;濃度;稠密度;【礦物】汰選,選礦,富化。3. 集中注意,專心。
  1. Effect of co2 concentration and photosynthetic photo flux density on photoautotrophic capability and peroxidase activity of ipomoea batatas lam in vitro

    2濃度和光合光量子通量密度對葉用甘薯組培苗光合自養和過氧化物酶活力的影響
  2. The study conducted research on the following four fields : firstly, the characteristics of the interfacial polymerization system of piperazine aqueous solution / trimesoyl hexane solution were systematically investigated. the results show that at a certain molar ratio between the two monomers, piperazine and trimesoyl, at the two phase interface, a dense functional layer of ultra low pressure, high permeating flux and high salt rejection formed by controlling the time of interfacial polymerization, such as the composite membrane ( i ), the concentration in water phase is 0. 4 %, and 0. 1 % in organic phase, and the polymerization time is 1 minute

    本文主要進行了四個方面的研究,首先系統分析和研究了哌嗪水溶液均苯三甲酰氯正己烷溶液界面聚合體系特徵、界面聚合反應中各影響因素對膜性能的影響等,結果發現,當界面處兩相單體(哌嗪和酰氯)分子摩爾比為某一比值時,通過控制界面聚合時間(有機相處理時間) ,可以形成超低壓高通量高脫鹽的緻密功能層,如復合膜( ) ,水相濃度為0 . 4 ,有機相濃度為0 . 1 ,聚合時間1min 。
  3. As the dmso concentration ( wt / wt ) in the second coagulation bam increases, the water flux and the clearance rates of urea and creatintine first decrease men keep in a relatively low level and increase at last

    隨著第二凝固浴dmso濃度( wt / wt )的增加,水通量和肌肝、尿素去除率均是先下降,然後保持在較低的水平,最後又呈上升的趨勢。
  4. As the concentration of pes solution increases, the pure water flux decreases and the clearance rates of low - molecular weight substances such as urea and creatintine first increase, then decrease, and increase slightly at last

    隨著鑄膜液濃度的上升,水通量呈現總體下降的趨勢;膜對低分子物質的去除率先上升,然後下降,隨后又略有上升。
  5. 1 process critical parameters ( e. g. conveyor speed, flux concentration, temperature distribution in the process, etc. ) are well identified, measured, tracked, and controlled with records

    對製程重要參數(如:速度,松香密度,焊接過程的溫度分佈等)都能清晰界定,測量,追蹤和控制,並作有效記錄
  6. A series of preparation conditions and parameters were systematically studied. it is concerned that the effects of prepared method of precursor, material synthesize method, fired atmosphere, fired temperature, fired time, flux kind and content, rare earth concentration and kind and matrix on the microstructure and optical storage properties of the samples. at the same time, the optical storage mechanism was discussed in certain extent

    系統地研究了一系列的工藝條件及參數,討論了前驅物制備方法、材料合成方法、灼燒氣氛、灼燒溫度、灼燒時間、助熔劑種類及含量、稀土摻雜濃度及種類、基質成分對樣品微觀結構及光存儲性能的影響,同時對樣品的光存儲機理作了一定程度的探討。
  7. In the trials of high concentration food wastewater treatment conducted by an anaerobic membrane bioreactor, the flux decline rule of four polyethersulphone ( pes ) uhrafiltration ( uf ) membranes with different surface morphology was investigated with atomic force microscopy

    摘要在厭氧膜生物反應器處理高濃度食品廢水的試驗中,藉助原子力顯微鏡分析了四種表面形貌不同的聚醚碸超濾膜的通量衰減規律。
  8. Moreover, some effect factors to water flux are discussed as follow : the operation pressure, the number and diameter of rubber sponge ball, the soluble - starch concentration, and so on

    而且,具體的討論了海綿橡膠球在不同壓力、海綿橡膠球數目、直徑和料液的濃度等條件下對水通量的影響。
  9. The water flux of pan / pu hollow fiber membranes increased with the increase of draw ratio and concentration of pan

    Pan pu中空纖維膜的的水通量隨著拉伸倍數的增大而增大,隨著pan含量的增大而增大。
  10. Abstract : concentration polarization and fouling of membrane are the key problen which has effected in widening use of microfiltration. based on understanding on the flux decline and lateral migration deposition of porticles in tubular membrane, some analysis on effect factors of enhancement of microfiltration within tubular membrane with rotation flow is introduced, in this paper

    文摘:濃差極化和膜污染是阻礙微濾廣泛應用的關鍵難題,在認識理解顆粒遷移沉積和過濾速率下降的基礎上,本文對旋轉流管式膜微濾進行了一定的探討分析。
  11. The tests of e - o applications by our flux ktp has been realized, the results showed : optical waveguides fabricated by using an ion - exchange process, which have an exchange - ion concentration depth profile and refractive - index profile, is close to a complementary error - function distribution, optical homogeneity and device thermal stability is much better. amplitude modulation switch formed by our flux ktp has the contrast ratio of 150 : 1 and insert loss is 2. 5 % at 1064 nm. high quality optical pulse with 1 ns width was cut successfully by using an e - o modulator from a laser pulse with 50 ns width, this modulator had run for three years, and the crystal did n ' t blackened, it showed our low conductivity flux ktp can endure high modulation voltage for a very long time

    Ktp晶體的電光應用試驗表明:用離子交換法製作的電光波導,其離子交換濃度、折射率變化符合餘弦誤差函數,光學均勻性以及器件的溫度穩定性較好;製作的強度調制電光開關,消光比為150 : 1 ,對1064nm激光的插入損耗為2 . 5 ;製作的電光調制器用於激光脈沖整形試驗,從脈沖寬度50ns的激光脈沖削出脈寬1ns的高質量光脈沖,該電光開關經過長達三年多的使用,沒有出現晶體變黑現象,說明本實驗的低電導率ktp晶體能夠耐受長時間的調制電壓。
  12. Cadmium ( cd ) is one of the mostly polluting heavy metal. first, to characterize the adsorption property of cadmium, cadmium adsorption isotherms in soils were determined by the batch experiment, and the adsorption parameters were obtained ; second, miscible displacement experiments were carried out in saturated homogeneous soil columns under steady - state water flow, and the dynamics of flux concentration of cadmium leached in soils were measured

    首先,用批量平衡法開展了鎘在砂質壤土、壤質砂土和粉壤土中的吸附特性的試驗研究,獲得吸附常數;其次,採用易混合置換實驗的方法,對其在穩定流場飽和土壤中的運移進行了室內研究,獲得了目標溶質鎘在定濃度輸入條件下的出流液濃度動態。
  13. As the key of the sample injection, a digital control instrument of mass flow controller ( mfc ), which can work in online and offline mode, was designed. it can give 4 flow signals accurately at the same time. the concentration and flux of the sample gas can be set by the instrument software

    進樣裝置的核心是自行設計開發的新型流量控制儀,該儀器採用數字介面,可以以聯機和脫機方式工作,能夠同時快速準確地輸出4路流量控制信號,對測試氣體的流量和濃度進行設定。
  14. With a decreasing cellulose concentration of casting solution or an increasing temperature of coagulation bath, the mean pore ssze becomes larger, resulting in higher pure water flux and lower rejection of bsa

    隨著鑄膜液濃度的降低或凝固浴(純水)溫度的升高,膜的水通量有較大的提高,但截留率會明顯下降。
  15. It was founded that the flux increases as the feed temperature, concentration and flow rate increase, and increases as the downstream pressure decreases. the separation factor increases as the feed flow rate and downstream pressure increase, and decreases as the feed temperature increases

    由試驗結果表明,溫度升高,增大料液濃度,降低冷側壓力,以及增加料液流速,膜蒸餾通量增大;同時流速提高,溫度降低,以及增大冷側壓力,分離因子增大。
  16. To solve the mathematic equations, the method based on condensation degree was used. the distributions of temperature, concentration and mass flux on the film surface ; of temperature and concentration in the vapor ; of heat transfer coefficient in the vapor and in the liquid were obtained by applying the model in the flow field

    採用冷凝度的方法對該數學模型進行求解,得出了汽相的濃度分佈和溫度分佈,界面處濃度分佈、溫度分佈和傳質速率分佈,以及汽相和液相的傳熱系數分佈。
  17. In the case of high nmmo concentration of coagulation bath, the pure water flux is higher while the rejection can be kept at a relative high value

    而改變凝固浴中nmmo的濃度則可制得高通量、高截留率、高應用價值的分離膜。
  18. The key problems for mf are concentration polarization and membrane fouling. mf assembly with outside helical flow is a new kind of equipment which can enhance permeate flux by means of the operating principle of a hydrocyclone. and up to now many researches of it has been mainly done experimentally

    外旋流式膜器巧妙地將水力旋流器的原理與管式膜器微濾相結合,是一種新的強化微濾的膜器結構,目前對其膜器環隙內的流場分佈及分離性能研究均處于起步階段,且都以實驗研究為主。
  19. High performance nanofiltration composite membrane with varied permeating flux and salt rejection was obtained by changing the monomer concentrations in both phases properly. in the case of composite membrane ( ii ), the concentration of organic phase was enhanced to 0. 5 %

    改變兩相單體濃度可以獲得不同通量和脫鹽性能的納濾復合膜,如適當提高有機相濃度至0 . 5得復合膜( ) 。
  20. In this paper, an experimental investigation of the removal of volatile organic compounds ( voc ) from dilute aqueous solutions was presented by vacuum membrane distillation ( vmd ). experiments were carried out using aqueous mixtures of ethanol with hollow fiber module. the influences of operating variables such as feed concentration, flow rate, temperature and downstream pressure on the flux and separation factor were investigated

    本文對膜蒸餾脫除水溶液中的揮發性有機化合物( voc )進行了試驗研究;文中以乙醇水溶液為研究對象,採用真空膜蒸餾法,膜材料為中空纖維膜,研究膜通量及分離因子與原料液的溫度、濃度、流速,冷側壓力的關系,並對真空膜蒸餾的傳熱傳質機理進行了初步探討。
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