液相傳質 的英文怎麼說
中文拼音 [yèxiāngzhuànzhí]
液相傳質
英文
mass transfer in liquid phase- 液 : 名詞(液體) liquid; fluid; juice
- 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...
- 傳 : 傳名詞1 (解釋經文的著作) commentaries on classics 2 (傳記) biography 3 (敘述歷史故事的作品)...
- 質 : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
- 相傳 : 1. (傳說) tradition has it that . . . ; according to legend2. (傳遞; 傳授) hand down; pass on
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In the model the film thickness in the passage was obtained at first using two phase flow theory ; then, similar analysis solution of concentration distribution of the pollutant in liquid phase and biofilm was obtained through mass component equation of pollutant in gas - liquid phases combined with the biochemical kinetic equation of mass transfer in biofilm and dismission of oxygen limited ; at last, the distribution of pollutant along the filter height and the waste gas purification efficiency were obtained
該模型首先運用兩相流理論獲得了通道內液膜厚度,然後通過污染物在氣相、液相的質量組分方程,結合生物膜內的傳質與不?慮氧限制的生化反應動力學方程,獲得了污染物在液相和生物膜中濃度分佈的近似分析解,最終得到污染物在氣相中沿塔高的濃度分佈及廢氣凈化效率。On the basis of analysing the mechanism of improvement of the adsorption mass transfer by ultrasound field, a batch model cosindering pore difusion and surface diffusion, and a fixed - bed homogeneous model of mass transfer is developed.
論文在分析超聲場強化固-液吸附傳質的機理上,提出了考慮孔內擴散與表面擴散的靜態傳質模型以及考慮軸向擴散的均相動態傳質模型。At the same time, the intrapartical diffusion and liquid internal mass transfer can been enhanced by ultrasound field, owing to additional stirring, the increasing rate of intraparticle diffusion coefficient is enhanced, while that of the liquid film mass transfer coefficient is reduced under ultrasound field
模型研究表明: freundlich ?兩相阻力模型計算得到濃度與實驗測定值非常吻合,超聲場能有效地強化浸取粒內擴散與液膜傳質,攪拌作用下超聲強化液膜擴散的的能力降低,強化粒內擴散的能力增強。Abstract : on the basis of the general chromatography rate model, the effects of bi number, number, mass transfer pel number, particle diameter, injection and ratio of solute diameter and pore diameter on the chromatographic peak of taxol and the separation of taxol and cephalmonnine were simulated with computer. the essential factors affect on the chromatographic process of taxol and cephalmonnine were obtained and a more useful theory was provided to direct the chromatography separation of taxol and cephalmonnine
文摘:根據建立的液相色譜普遍化速率模型,模擬了比渥數、數、傳質彼克列數、粒徑、進樣量和溶質分子直徑同多孔粒子孔徑比對紫杉醇色譜峰峰形和紫杉醇和三尖杉磷堿色譜分離度的影響,獲得了控制紫杉醇和三尖杉磷堿色譜過程的主要影響因素,從而為紫杉醇和三尖杉磷堿的色譜分離提供了更好的理論指導。Column reactors are important facility in which the mass and heat transfer happens. since bubbly flow is a basic flow pattern of gas - liquid two - phase flow in the column, thorough study on bubbly flow is of great scientific significance and important value for practical industry application
鼓泡塔反應器是重要的傳熱傳質設備,鼓泡塔泡狀流是氣液兩相流的一種基本流型,對泡狀流進行廣泛而深入的研究具有重要的科研價值和工業應用背景。The effects of pulse voltage waveform on physical and chemical water treatment processes include double layer capacitor effect, mass transport, absorption and deabsorption on the surface of electrode
脈沖電壓波形主要影響廢水處理的三個物理化學過程,即:電容效應、液相傳質、吸附和脫吸附。The formation of 3. 5 % nacl solution is almost similar to that of 3. 5 % nacl thin electrolyte layer, just the mass transfer rate of the oxygen in the layer is more quicker than in the solution ? the test shows that the crack growth rate of wet - corrosion fatigue of lc4cs aluminum alloy in the layer is quicker than in the solution, and also shows that morphology of fatigue fracture in the layer is evidently distinguished from in the solution
3 . 5 nacl溶液和3 . 5 nacl薄液層的化學組成幾乎完全相同,只是薄液層中氧的傳質速率較快。實驗結果顯示了在薄液層中, lc4cs鋁合金的濕腐蝕疲勞裂紋擴展速率,大於在3 . 5 nacl溶液中的速率。實驗還發現其疲勞斷口的形貌,也與3 . 5 nacl溶液中的有明顯區別。The development of mass transfer in the system of vapor - liquid - liquid three - phase distillation from trays was introduced, the effects of the hydrodynamic conditions e. g. vapor velocity and ratio of liquid to vapor loading and physical properties of liquid phase, including surface tension, interfacial tension, viscosity or dispersion viscosity, density, relative volatility etc. and the volume ratio of oil to water on mass transfer were discussed systematically, the influence of the second liquid on mass transfer efficiency was also investigated, a gnat deal of viewpoints and suggestions having been put forward in this paper are significant important for optimizing design of distillation tower
摘要介紹了氣液液三相精餾塔板傳質性能研究的進展情況,討論了氣速、液氣比等操作條件,表面張力、界面張力、液體的粘度或分散粘度、密度和相對揮發度等物系性質以及油水體積比等多種參數對傳質效率的影響,探討了第二液相的存在對傳質的影響,文中的許多觀點獲和建議對于優化精餾塔的設計具有重要的指導意義。It is a new branch to band piezoelectric chemistry and biological sensing technology. piezoelectric sensors are highly sensitive to multiple signals such as the surface mass and the density, viscosity, conductivity, dielectric effect of the liquid. the piezoelectric sensors are especially suitable for analysis of the proteins with high molecular weight
壓電傳感器除了可響應質量效應外,還可響應溶液的粘度、密度、介電常數、電導率等多種信號,除了氣相之外,當前的壓電傳感器還提供液相壓電傳感理論和應用技術,尤其是用於生物大分子的測定。Abstract : a continuity wave model is put forward for the dispersion processof liquid - liquid two - phase system, by coupling mass and momentum conservation equations of two - fluid model. the conditions that result in a dispersion choke and the weak instability of a dispersion process are derived from the model. the phenomena of catastrophic inversion and transitional inversion are explained. the effect of drop size distribution on the maximum volume concentration of a emulsion is predicted using the model. according to the theory herein, emulsion inversion is the regime transition of liquid - liquid system due to the instablity of a dispersion process. the effect of drop size distribution on the maximum volume concentration of a liquid - liquid emulsion only occurs in a certain range of weber numbers
文摘:以雙流體模型為基礎,通過質量守恆方程和動量守恆方程的耦合,提出了液-液兩相系中彌散傳質的連續波模型.由該模型得到彌散傳質過程阻塞和彌散傳質過程弱不穩定性產生的條件,計算了液滴尺寸及其分佈對乳化液極大堆砌分數的影響,解釋了劇變型乳化逆變和漸變型乳化逆變現象.研究結果表明,乳化逆變是由於彌散傳質過程的不穩定性而引起的懸浮體型態的改變,隨液滴尺寸多分散性的增大,極大堆砌分數增大;隨液滴平均尺寸的增大,多分散性對極大堆砌分數的影響減弱;當韋伯數足夠大時,液滴尺寸及其分佈對乳化液極大堆砌分數無影響The factors affecting the permeability coefficient are investigated, and the mass transfer model across the supported liquid membrane is established, by which the mass transfer is simulated
考察了各因素對滲透系數的影響,並對傳質滲透過程進行模擬。同時建立了支撐液膜中的膜相流失行為的動態膜阻抗監測方法。Secondly, for the first time, by volume average concept and reynolds time - average method, a 3d quasi - single phase mass transfer model of distillation tray is deduced by considering the effects of velocity fluctuation, concentration fluctuation and volume fraction of gas and liquid on mass transfer. a source item sc for interphase mass transfer is considered. by applying conventional method of estimating the interphase mass transfer coefficient, a formula for sc is obtained
其次,採用體平均概念、雷諾時均化方法結合塔板氣液相互作用的實際情況首次推導了考慮速度、濃度脈動項和氣、液相含率影響的塔板三維擬單相流湍流傳質模型,源相中考慮了氣液相間傳質項sc ,並運用化工中關于相間傳質系數計算的理論,推導了sc的表達式。In air - water system, the influence of gas superficial velocity on hydrodynamic parameters and volumetric mass transfer coefficient ( k, a ) is investigated. in order to simulate microorganism, a series doses of solid particle are added into water. in such an air - water - solid particle system, the influence of solid concentration on hydrodynamic parameters and volumetric mass transfer coefficient are studied
在空氣-水體系研究了表觀氣速對流體動力學參數和傳質動力學參數的影響;以固體顆粒模擬生物相、以柔性填料模擬生物填料床在空氣-水-固體顆粒和空氣-水-填料體系中研究固含率對流體動力學參數和傳質動力學參數的影響;以cmc溶液模擬實際操作中的液相介質研究液相粘度對上述參數的影響; 4In this paper, the influence of ultrasound on the solid - liquid extraction and the adsorption phase equilibrium were investigated by using the effective component - geniposide of the mature gardenia fruit as the experimental object
本文以梔子果實中有效成分梔子甙為實驗對象,研究超聲波對固-液浸取、吸附相平衡、傳質過程的影響。Secondly, it has been noticed that there is a great affinity between ammonia vapor and water liquid to form ammonia aqueous. the complexity of this absorption phenomenon is that heat transfer and mass transfer occur at the same time during the chemical reaction
由於在氨水混合液吸收氨蒸汽的過程中傳熱傳質現象同時存在,實驗現象相對復雜,因此在實驗研究中使用了激光設備( mach - zehndertwo - beamlute , fe , o 。The molecularly imprinted monolithic column is developed in hplc, due to its simple preparation, high selectivity and low flow resistance. its progress of the preparation, characteristic and mechanism are reviewed
分子印跡整體柱具有制備簡單、特異選擇好及傳質阻力低等優點,在高效液相色譜中的應用發展迅速。本文綜述了分子印跡整體柱的制備、表徵及分離機制等的研究進展。5. the increasing of liquid phase viscosity undermines the volumetric mass transfer coefficient
隨液相介質粘度的增加容積氧傳質系數減小。In the air - water - solid system the value of volumetric mass transfer coefficient is larger than that in air - water system. and when cs = 1. 0 %, the volumetric mass transfer coefficient get to the highest value
在液相介質中加入固體裝填物提高了容積氧傳質系數,並且在固含率為1 . 0時容積氧傳質系數最高; 5Application of bp neural network in liquid - side mass transfer coefficients
神經網路在液相傳質系數中的應用The influence operating conditions on the hydrodynamics and mass transfer performance of alr, including superficial gas velocity, the properties and level of liquid phase, the properties and content of solid phase, as well as electrolyte and magnetic field, are discussed
闡述了操作條件對氣升式反應器的流體力學和傳質性能的影響規律,包括表觀氣速、液相性質及液位高度、固相性質及固含率以及其他因素,如電解液和磁場等。分享友人