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通量     
相关语句
  flux
    STUDY ON AFFECTED FACTORS OF THE FLUX IN YELLOW RICE WINE UF
    黄酒超滤通量影响因素的研究
短句来源
    THE BEHAVIOUR OF MEMBRANE DISTILLATION OF CONCENTRATED AQUEOUS SOLUTION Ⅰ.The Effect of Concentration on Flux and M.D.……Crystallization Phenomenon
    浓水溶液的膜蒸馏行为 Ⅰ.浓度对通量的影响及膜蒸馏—结晶现象
短句来源
    CALCULATION OF POOL VOID FRACTION BY DRIFT FLUX MODEL (Ⅰ) DRIFT VELOCITY
    漂移通量模型计算池式空隙度的研究(Ⅰ)——漂移速度
短句来源
    Orthogonal experiments were carried out in order to find out the effects of operating parameters,such as temperature,operating pressure,pH,flow velocity,and concentration of feed solution,on the permeation flux and Mg2+ rejection ratio of tubular mesoporous -Al2O3 membrane in acidic surrounding.
    通过正交实验探讨了酸性条件下,温度、压力、PH值、流速、浓度对γ-Al2O3管式多孔膜渗透通量和Mg2+的截留率的影响。
短句来源
    The porous chitosan membranes possessed better mechanical properties and separation performances,the biggest tensile strength was 445.4 Kg/m2(in dry state) and 182.4Kg/m2(in wet state),the penetrate flux was 2.1ml/cm2·h,the rejection was 96.3%.
    膜的机械性能好,膜在干、湿态下的最大抗张强度分别达到445.4Kg/m2和182.4Kg/m2; 膜的分离性能好,渗透通量达到2.1ml/cm2.h,截留率达到96.3%。
短句来源
更多       
  permeation flux
    Orthogonal experiments were carried out in order to find out the effects of operating parameters,such as temperature,operating pressure,pH,flow velocity,and concentration of feed solution,on the permeation flux and Mg2+ rejection ratio of tubular mesoporous -Al2O3 membrane in acidic surrounding.
    通过正交实验探讨了酸性条件下,温度、压力、PH值、流速、浓度对γ-Al2O3管式多孔膜渗透通量和Mg2+的截留率的影响。
短句来源
    Experimental study of permeation flux prediction of hollow fiber microfiltration membrane device under static state operation
    中空纤维微滤膜组件静态操作时过滤通量预测的实验研究
短句来源
    Physical chemistry study on RO and NF process(Ⅰ) Equations of solute rejection and solution permeation flux on porous membrane
    反渗透、纳滤过程的物理化学研究(Ⅰ)多孔膜的溶质脱除率方程和膜渗透通量方程
短句来源
    Influence of operative conditions on permeation flux during dead-end microfiltration
    操作条件对死端微滤膜通量的影响——温度、压力、浓度的影响
短句来源
    The permeation flux of H_2 and D_2 through the separator, as one of the decisive factors affecting the separator's scale, was investigated at the temperature from 573K to 873 K and pressure from 0.05 MPa to 0.40 MPa .
    在573K~873K,0.05MPa~0.40MPa实验条件下,氕和氘在钯钇合金膜分离器中的渗透通量近似与压力的平方根成正比;
短句来源
更多       
  a flux
    Under operating presure 20kg/cm~2,T- he best result of the membranes obtained from the condition above is a flux of 0.52m~3/m~2d,and a salt rejection of 93.2% with tap water or a flux of 0.44m~3/m~2d,and a salt rejection of 94.3% with 0.5% NaCl aqu- eous solution.
    结果表明,该膜在操作压力为20公斤/厘米~2,以自来水为进料液的条件下,脱盐率可达93.2%,同时水通量为0.52米~3/米~2天; 以0.5%NaCl 水溶液为进料液时,脱盐率可达94.3%,同时水通量为0.44米~3/米~2天。
短句来源
    A flux of 22.5kg/m~2·h,which was comparable with the flux of RO process,could be realized when the temperature of warm side and cold side was55℃ and 25℃,respectively.
    在暖侧温度为55℃、冷侧温度为25℃时,膜的膜蒸馏通量可达22.5 kg/(m~2·h),已接近反渗透膜的水平。
短句来源
    Membrane samples,tested at an operatingpressure of 0.5MPa with 0.5% PEG (MW=4000),yielded a flux of 3.0—6.0ml/cm~2·h at a rejection of 95%.
    用0.5%分子量4000的聚乙二醇水溶液作为供料液,在操作压力0.5 MPa下动态测试,RUF 膜截留率大于95%,水通量3.0—6.0 ml/(cm~2·h)。
短句来源
    The result express that under operating pressure 20kg/cm~2,the best result the membranes from the condition above is a flux of 0.45m~3/m~2.d and a salt rejection of 96.1%with water.
    结果表明,该膜在操作压力为20kg/cm~2,以自来水为进料液的条件下,脱盐率可达96.1%,水通量为0.45m~3/m~2·d。
短句来源
    Membrane distillation of gyloxal-water solution at a concentrations of 40% gives a flux of 64% of that of pure water feed.
    质量分数40%的乙二醛水溶液膜通量为同实验条件下纯水料液膜通量的64%.
短句来源
更多       
  transport flux
    Experimental studies on transport flux and rejection for nanofiltration in organic solvents
    有机溶剂中纳滤膜通量和截留率的研究
短句来源
    Secondly, by observing influences of pressure on transport flux of solvents permeating through nanofiltration membranes (NF-SH, Desal-DK, Les-90) and rejections in methanol solution with Brilliant Blue-G, studies showed that membrane compacting effect in methanol are more than water;
    利用NF-SH、Desal-DK和Les-90膜研究了操作条件对3种纯有机溶剂膜通量以及考马斯亮蓝甲醇溶液截留率的影响。 结果表明,当透过溶剂为甲醇时,膜的压实效应比水明显;
短句来源

 

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      flux
    The increased glucose flux through this metabolic pathway has been linked to the development of diabetic complications such as neuropathy, nephropathy, retinopathy, and cataract.
          
    In diabetes, increased flux through the polyol pathway has been implicated in the development of diabetic complications such as cataract, retinopathy, neuropathy, and nephropathy.
          
    At last, we also get the super-convergence estimates for total flux.
          
    Research on a direct torque control for an electrically excited synchronous motor drive with low ripple in flux and torque
          
    Therefore, the torque and stator flux linkage ripples are high in the direct torque control (DTC) drive of the ESM with a torque and flux linkage hysteresis controller (basic DTC).
          
    更多          
      permeation flux
    Oxygen permeation measurement demonstrated that LSGFO had higher oxygen permeation flux than LSCFO, but they had similar activation energy for oxygen transportation, with a value of 110 and 117 kJ · mol-1, respectively.
          
    The oxygen permeation flux of BaBi0.2Co0.35Fe0.45O3-δ membrane reached about 0.77×10-6 mol/cm2 · s under an air/helium oxygen partial pressure gradient at 900°C, which was much higher than that of other bismuth-contained mixed conducting membranes.
          
    Both permeation flux and selectivity increased simultaneously with increasing zeolite content in the membrane matrix.
          
    In the absence of enzymes, the filtration rate ranged from 5% to 15%, and the permeation flux tended to decrease.
          
    Permeation flux obtained in each ultrafiltration unit depends on the filtered species, and specific deposits are associated to each species and module.
          
    更多          
      a flux
    This new type of superconducting film comb-shape resonator is formed by a foursquare microstrip line without a flux concentrator.
          
    Within the framework of the concept of steady-state flow of a flux of dust particles through the cusp channel of the Earth's magnetosphere, we develop the idea that the magnetic cusp is a generator of dust swarms in the near-Earth space.
          
    It is established that the influence of ultra-violet radiation reveals itself, first of all, in changing temperature of samples, while the influence of irradiation by a flux of electrons is reduced to charge accumulation and discharges.
          
    We show that in the magnetic field H there can arise a flux of gas and a heat flux along the surfaces (odd functions in H), and also normal and tangential forces on the walls.
          
    It was assumed that one of the main factors of outer space responsible for mass loss and the formation of the anisotropic nano- and microsized structures is the impact of a flux of oxygen atoms onto the surface of the external film.
          
    更多          
      transport flux
    This result asserts that the vertical component of heat turbulent transport flux is composed of both the transport of the vertical potential temperature gradient and the coupling transport of the vertical velocity.
          
    In this procedure irradiation irreversibly photolyzes chromophores in the cell while fresh chromophores enter the cell by membrane transport (flux).
          
    Here, it also was found that the time between GA3 application and detection of an enhanced transport flux was independent of the length of the transport pathway.
          
    Moreover, it was found that the time between kinetin application and detection of an enhanced transport flux was independent of the distance over which kinetin would need to move to be present throughout the length of the transport pathway.
          
    A strong dependence of the transport flux densities on structural details of the carriers as well as of the bile pigments themselves is observed.
          
    更多          


    Pyrolysis of ethane and propane will liberate ethylene, a valuable and basic material for the synthesis of organic chemicals.As far as we know there is no appropriate method to get the designing parameters of pyrolysis furnace such as the heat flux pattern other than liy the emprical rules commonly used.This paper will present a rigorous method of designing a pyrolysis furnace for this purpose.Based upon Hottels idea, the zone method is adopted for calculating the radiative heat transmission. Taking it briefly,...

    Pyrolysis of ethane and propane will liberate ethylene, a valuable and basic material for the synthesis of organic chemicals.As far as we know there is no appropriate method to get the designing parameters of pyrolysis furnace such as the heat flux pattern other than liy the emprical rules commonly used.This paper will present a rigorous method of designing a pyrolysis furnace for this purpose.Based upon Hottels idea, the zone method is adopted for calculating the radiative heat transmission. Taking it briefly, the whole system is divided into surface zones and gas zones separately. The temperature profiles in a furnace are described by solving a series of energy balance equations in each zone simultaneously.Due considerations of these factors concerned such as reaction kinetics, convective heat transfer and pressure drop was taken the distribution of the resulting material as well as the temperature distribution of processing gas, flue gas, tube surface and the surface of the refractory wall in the reactor could be predicted appropriately.A comparison was made and which reveals that the calculating results obtained with this method check well with the data actually taken from the working plant in practice.

    乙烷、丙烷是裂解制乙烯的原料,后者是有机合成的基本原料。然而直到现在,裂解炉的设计参数(例如热通量)通常还是用经验方法得到。本文叙述了一个较严格的方法,用于生产乙烯的裂解炉的设计。采用区域法计算辐射传热,系统被分成若干表面区与气体区,炉子中的温度分布是通过联立求解每区的能量平衡式而得。计及管内反应动力学、对流传热、压力降,预言了产品分布以及工艺气、烟气、管表面、耐火墙的温度分布。计算结果与工厂实测数据吻合较好。

    The transfer of trivalent europium ion in a liquid surfactant membrane system was investigsted in order to clarify the characteristics of liquid membrane separation process and the availability of this technique for recovering trivalent lanthanides and actinides. The membrane phase consists of kerosene (solvent), Span-80 (surfactant) and di-(2-ethylhexyl) phosphoric acid (HDEHP, carrier). The internal phase is dilute nitric acid and the external phase is aqueous solution containing Eu(NO3)3 buffered by HAc-NaAc....

    The transfer of trivalent europium ion in a liquid surfactant membrane system was investigsted in order to clarify the characteristics of liquid membrane separation process and the availability of this technique for recovering trivalent lanthanides and actinides. The membrane phase consists of kerosene (solvent), Span-80 (surfactant) and di-(2-ethylhexyl) phosphoric acid (HDEHP, carrier). The internal phase is dilute nitric acid and the external phase is aqueous solution containing Eu(NO3)3 buffered by HAc-NaAc.

    本文研究了用乳状液型液膜提取稀土元素铕的工艺条件,考查了不同因素对铕的传质速率的影响.实验结果表明,以二(2-乙基己基)磷酸为载体,硝酸为解络剂的乳状液型液膜对铕的迁移效果很好.本文重点探讨了该液膜体系的传质机理,推导出本体系的传质通量式,并用实验数据进行了验证,取得了较好的一致性.

    This paper is reffered to the parameters and characteristics of HRC Hollow FiberRO Module. The tap water in Hongzhou or 3000 ppm NaCl aqueous solution wasused as a feed of the Modu1e in the experiments. The performence of the module wasevaluated from the view of practical interest. The main results with the tap water as a feed are as follows: According toelectrical conductivity of the tap water the salt rejection (R_0) is up to 90%.Corresponding flux, 75 1/m~2·d at operating pressure 13 kg/cm~2, temperature...

    This paper is reffered to the parameters and characteristics of HRC Hollow FiberRO Module. The tap water in Hongzhou or 3000 ppm NaCl aqueous solution wasused as a feed of the Modu1e in the experiments. The performence of the module wasevaluated from the view of practical interest. The main results with the tap water as a feed are as follows: According toelectrical conductivity of the tap water the salt rejection (R_0) is up to 90%.Corresponding flux, 75 1/m~2·d at operating pressure 13 kg/cm~2, temperature 25℃and flow rate of feed, (u)_(1m)≥0.06 cm/s; The rejections (R_0) of the main ions in thetap water is SO_4~=~100%>Mg~(++) 91.7%, Ca~(++) 89.5%>Cl~- 87.9%, K~+ 86.3%, Na~+84.7%>HCO_3~- 83.2%>Soluble SiO_2 75.7%. Corresponding 87.4% of salt rejectionbased on the Conductivity of the tap water. Whether the tap water or the NaCl solution as a feed the rate of flux declineis not more than 0.02 at operating pressure ≤13 kg/cm~2 and room temperature. It is also pointing out with respect to the brackish water the performance of themodule can be evaluated basis on above results.

    本文述及HRC型中空纤维式反渗透组件的操作参数和性能。以杭州市自来水或3000ppm NaCl水溶液为进料液,从实用的观点评价了组件的性能。以自来水为料液的主要结果如下:在操作压力为13kg/cm~2、水温为25℃和进料流速≥0.06cm/s时,以自来水的电导率计算的脱盐率(R_0)可达90.5%,其相应的水通量为75l/m~2·d;当以自来水的电导率计算的脱盐率(R_0)为87.4%时,水中所含各主要离子相应的脱除率及其递降次序为:SO_4~=约100%>Mg~(++)91.7%,Ca~(++)89.5%>Cl~-87.9%,K~+86.3%,Na~+84.7%>HCO_3~-83.2%>可溶性SiO_275.7%。无论以自来水还是以3000ppm NaCl水溶液为进料液,在操作压力≤13kg/cm~2和室温的条件下,水通量的衰减率均不大于0.02。借助上述结果,可以估计组件用于苦咸水脱盐时的性能。

     
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