液相層流 的英文怎麼說
中文拼音 [yèxiāngcéngliú]
液相層流
英文
liquid viscous-gas turbulent-
Combining with practice of china ' s uranium ore heap leac hi ng, this paper proposes main ways and suitable technologies in the fields of emp hasizing feasib ility research, adop - ting strengthened technologies, improving equipment le vel, op timizing control technological factors and developing application range and so o n, which include adopting acid - curring and ferric sulphate - tric kle leaching process, bacteria heap leaching, countercurrent heap leaching, sele cting advanced material of heap bottom, developing large mechanized heap constru ction equipments and methods, popularizing drip i rrigation distributing solution, optimizing heap leaching process parameters, as we ll as developing recovery equipments suited to heap leaching, etc, in order to i n crease leaching rate, reduce heap leaching period and achieve more economic bene fits
結合我國鈾礦堆浸實際，在重視堆浸可行性研究、採用強化堆浸技術、改進堆浸裝備水平、嚴格工藝條件及拓寬堆浸的應用范圍等方面提出一些有效途徑及適用技術，包括採用拌酸熟化-高鐵淋濾浸出、細菌堆浸、制粒堆浸、逆流堆浸，選用優質底墊層材料，研製大型機械化築堆方法和設備，推廣滴灌式布液，優化堆浸工藝參數，以及開發堆浸相配套的回收設備等，以提高浸出率、縮短堆浸周期，獲得更大的經濟效益。Using contrast and orthogonal experiment methods, the effect of electrolyte formulae for varied concentration of cr03 and technology of chromium plating on coating property was studied systematically in this paper. primary factors and their interrelations, which influence the brightness of coating, the current efficiency, dispersion ability and sedimentation velocity of electrolyte were discovered
本文採用對比試驗和正交試驗等方法系統地研究了低、中、高三種不同鉻酐濃度的鍍鉻液組成和鍍鉻工藝對鍍鉻層性能的影響，找到了影響鍍層光亮度、鍍液電流效率、分散能力和沉積速度的主要因素及其相互關系。In chapter four, according to the analysis on the boundary theory and velocity field of main fluid zone of two - phase fluid pumps, the parameter equations of vane ' s modular curve of centrifugal pump are given, which contact the boundary " layer and eular theory of two - phase fluid pump by the fixing angel of vane as variable and leading into the velocity coefficient a. the results show that, in designing process of vane ' s modular curve of centrifugal pump, the determination of the total shape and parameters relates the flow properties of two - phase fluid and output ability of pump, or the design of the modular curve of centrifugal pump is the kernel of hydraulic design
第四章依據固液兩相流泵的邊界層理論及對主流區速度場的分析，給出了離心泵葉片型線的參數方程；它是以葉片安裝角為參變數，以引入的速度系數k _ v作為中間因子，將兩相流泵的邊界層理論和歐拉理論聯系起來? ?它說明了這樣一個事實，在離心泵葉片型線的設計過程中，它的整個形態或參數的確定都關繫到兩相流體的流動特性和泵的輸出能力，或者說，離心泵型線的設計是其水力設計的核心。The special area of foam was detected for the compound tray of 20 % free area by ccd camera and computer identification technology of gas and liquid two phase flow in column. with the rectangular plexiglass tower in 200mm x 300mm, and it ' s correlation was obtained. this experiment offered data of special area for establishing mass transfer model of foam
在200mmx300nun的有機玻璃方塔內，以空氣水為介質，採用ccd拍攝技術和塔內氣液兩相流計算辨識技術，測定了開孔率為20的復合塔板上泡沫層的氣液接觸比表面積，並建立了關聯式。By applying the theory and method of geological anomaly, it is focused on the analysis of the characters of major geological anomalies and their effect of mineralization in daye - jiurui region. the analysis result shows that the basement fault anomalies control a few major large hidden batholiths and their associated orefields ; that the anomalies of cover structure confine most cu - au deposits and fe - cu deposits within their scope ; that the geochemical anomalies and lithofacies - paleogeographical anomalies are major geological factors leading to trataboundness of some cu - au deposits ; that the anomalies of rock operties provide the favorable chemical and physical conditions for the ore - forming process, including the seepage, circulation, convergence and deposit of ore - bearing hydrothermal solution ; that the anomalous ctive stage of mesozoic magmatite is almost consistent with the major mineralization epoch of the fe, cu deposits, and the structure of multi - levels, and the zoning in magmatic system determine the spatial distribution of the mineralization system. then, based on the above analysis, a comprehensive variate, geological combination entropy, is brought forward for reflecting the complex degree of the combination of geological ore - controlling factors. after circumscribing the anomalies of geological combination entropy, the relations between the anomalies and ore deposits are determined
從地質異常的角度，重點分析了大冶九瑞地區主要地質異常的特徵及其對成礦的影響.由分析可知：基底斷裂異常控制了本區若干重要規模較大的隱伏巖基及伴生礦田，而蓋層構造異常控制銅金礦床和鐵銅礦床的空間位置；地層的地球化學異常和巖相古地理異常是造成一些銅金礦床層控性的主要地質因素；蓋層的巖性異常為含礦熱液的滲流、循環、聚集和礦質沉澱等一系列成礦作用提供了有利的物理和化學條件；中生代巖漿巖的異常活動期也是本區主要的鐵銅成礦期，巖漿巖系統的多層分枝和分帶性結構控制了本區成礦系統的三維空間分佈.在上述分析的基礎上，構置了地質組合熵作為反映控礦地質因素組合系統結構復雜程度的綜合變量，並圈定出組合熵異常，由此確定了綜合地質異常與礦床的關系Al2o3 coating is provided not only as insulation layer to decouple electrically the liquid metal flow from the load - carrying wall in the sake of the decisive reduction of pressure drop, but also as a barrier to reduce tritium permeation into structure materials
為減少液態金屬mhd壓力損失，分析液態余屬包層各種相關材料影響因素，在液態金屬流動管道內壁加以al _ 2o _ 3絕緣塗層達到電學和熱學性質上的絕緣，並起到相當好地氚壁壘效果。It is found that the liquid kerosene of injection upstream cavity could finish the process of atomization and evaporation in short distance, and enter into cavity through convection. aft wall is the primarily area of flame holding in cavity, and the only area when near the lean blowout limit, flame in area of fore wall are spread from it. cavity shear layer in reaction flow angle greatly to the main flow direction, and couldn ’ t reattach to aft wall anymore, it appears great difference in characteristics of cavity flowfield between non - reaction and reaction state
研究發現:凹腔上游噴注的液體燃料能夠迅速霧化、蒸發，並在較短距離內依靠對流輸運過程進入凹腔內部;凹腔後壁始終是凹腔火焰駐留的主要區域，在貧油極限時，也是唯一區域，並存在明顯的火焰由後壁向前壁的傳播過程;燃燒狀態下的凹腔剪切層以較大角度向下游主流發展，不再附著于凹腔後壁，與冷流中的凹腔流場特徵相差較大。We believe there is a solid crust of heavy nuclei, which is about 1 km thick. below it is a layer of neutrons in liquid state. there may be a solid core, but we are not sure
我們相信中子星有一層約一公里厚由重原子核組成的外星殼，之下是一層呈液態的中子流質，最後可能是一個固體核心。The corrosion potential was the biggest and the corrosion current was the smallest one when the concentration of super - 3900 was 0. 5 % ; the corrosion potential was increased with the addition of mps - dl, but the smallest corrosion current is under 0. 01 % mps - dl. the rust time was the longest one when the concentration of super - 3900 was 0. 5 % as well as mps - dl was 0. 01 %. it was increased as a peak curve with al2o3 concentration in plating solution and ph value increased gradually with cathodic current density ; the corrosion weight
通過測量tafel曲線可知，在super - 3900濃度為0 . 5 % （相對于鍍液的體積百分含量）時獲得的鍍層腐蝕電位最正，腐蝕電流密度最小;隨著鍍液中mps - dl含量的增加，獲得的鍍層的腐蝕電位逐漸正移，在濃度為0 . 01 % （相對于鍍液的體積百分含量）時腐蝕電流密度最小。By means of a detailed analysis to the interaction between droplet and its carrying fluid for horizontal stratified / atomization two - phase flow, a theoretical model is proposed to calculate the droplet axial velocity profile and the relative slip between dispersed phase and continuous phase
摘要通過對水平分層霧化流中液滴和其攜帶流體間交互作用的分析，提出了一個預則水平分層霧化流中軸向液滴速度分佈以及彌散相和連續相之間相對滑移的理論模型，通過計算獲得了兩相速度參數及相對滑移參數。Xenon computed tomography not only takes a picture of the brain, as does a traditional ct scan, but also allows doctors to measure exactly how much blood is flowing to different parts of the brain
由計算機操作的氙氣層面x線照相術不僅可以象傳統的ct掃描儀那樣拍攝下大腦的圖像，還可以使醫生精確地測量出到底有多少血液流回大腦的不同部位。Based on the concentration polarization models with conventional filter cake resistance and shear - induced diffusion, the critical point simulating model on cross flow microfiltration process in particulate suspension was developed
摘要以傳統的濾餅層阻力和與誘導擴散相結合的濃差極化模型為基礎，建立了剛性顆粒懸浮液體系錯流微濾過程中模擬臨界點的數學模型。Studies on geology of the deposits and geochemistry of trace elements, rees, isotopes, ore - forming fluids show that the ore - forming materials came from varied sources. ore - forming materials of the tianbaoshan deposit was chiefly derived from different sedimentary rocks of the upper crust and orogen, while those of the daliangzi deposit mainly from the sinian dengying formation. meteoric waters were the major source of the ore - forming solution
礦床地質特徵以及常微量元素、稀土元素、同位素、成礦流體等地球化學特徵的研究表明，礦床成礦物質是多來源的，天寶山礦床成礦物質主要來自上部地殼和造山帶各種沉積巖，大樑子礦床成礦物質主要來自震旦系燈影組地層；兩個礦床成礦溶液主要來自大氣降水；硫大部分來源於同時期的海相沉積地層（震旦系燈影組）中被細菌還原的海水硫酸鹽。The pretreatment, effect of bath compositions and operation conditions such as temperature, currenty and time on compactness of the zinc and cu / ni / cr coatings have been investigated. the relationship of operation conditions to thickness of the coatings was studied by weight method. the specimens have been pickled in nacl or sulfate acid solution to evaluate the porosity of the coating
研究了鎂合金電鍍前處理工藝，電鍍鋅、電鍍銅/鎳/鉻工藝配方及其施鍍溫度、電流密度和時間對鍍層緻密性的影響;採用稱重法研究施鍍工藝與鍍層厚度的關系，利用nacl溶液和硫酸溶液浸泡試樣來考察鍍層孔隙率，採用劃痕試驗和熱震試驗檢驗鍍層的結合力，採用金相顯微鏡和掃描電子顯微鏡觀察鍍層表面形貌。To ascertain how to produce differential pressure reasonably during the course of high temperature and pressure gas well testing, we must consider synthetically the following situations : both liquid in well bore and solid phase particles of mud in strata can be carried out through airflow ; we must avoid sand production out of borehole walls and make the selected differential pressure meet the demands of the testing instrument capability ; the calculation of differential pressure when no sand comes out of strata covers the calculation of strength of rock of borehole walls and airflow velocity, etc
摘要高溫高壓氣井測試中合理生產壓差的確定需要綜合考慮使氣流能夠在井筒中攜液、返排侵入地層中的泥漿固相顆粒、避免井壁出砂、滿足測試工具性能要求等；地層不出砂壓差計算還涉及到井壁巖石的強度計算、氣流流速計算等。In chapter two, according to n - s equation, considering the couple between liquid and solid, the double - fluid model is used to respectively set up momentum equations of two - phase fluids in condition of basic hypothesis, which are general equations of two - phase fluids. simplifying the equations in boundary layer, the momentum differential equations are required and the boundary conditions are given. in the same time, the simplifying equations and their solutions, in which solid grain satisfies in boundary layer
第二章依據n - s方程，考慮到液、固之間的相間耦合，在基本假設條件下，採用雙流體模型，分別建立液、固兩相的動量方程，它是固液兩相流體的一般方程式；對其在邊界層流區內進行量級比較，得到邊界層動量微分方程並給出其邊界條件，同時也得到固體顆粒在邊界層內所滿足的簡化方程及其解的表達式。Three models are proposed as follows by applying the model of " mixed flow " : the stress of increasing fluid on fouling, collision between solid particles and fouling, and solid particles movement velocity ; the effects of operating parameters, properties of particles, and the volume fraction of particles on stress in solid - liquid two phase flow, collision stress between solid particles and fouling, maximal contacting area between solid particles and fouling and maximal contacting time between solid particles and fouling are investigated systematically by calculating and theoretical analysis
利用「混流」模型，建立了兩相流體的剪應力模型、固體顆粒與垢層的碰撞模型和固體顆粒的運動速度模型；通過計算和理論分析，系統地考察了操作參數、顆粒物性、顆粒體積分率等對固液兩相流剪應力、顆粒對垢層的碰撞力、顆粒與垢層的最大接觸時間和最大接觸面積的影響。Perturbation analysis of boundary layer on liquid phase fluid centrifugal pump
液相流離心泵邊界層的攝動分析Accurately deriving the true liquid flow velocity is the key for determining the stratification flow rate of oil and water and logging interpretation of liquid producing profile
摘要準確求取流體的真實流動速度是確定油水各相分層流量及產液剖面測井解釋的關鍵。For the liquid phase method, it is discovered that the optimal encapsulation is obtained at stalling ph equal 8. 5 by the analysis of the influence of ph on the compactness. for the atmospheric chemical vapor deposition, the optimal experimental condition of coating is determined by the analysis of the influence of different reaction temperature and different flow rate of o2 and different reaction time on the compactness of the coating and the luminescent performance of the phosphor in the experimental scope
對于液相包膜，通過分析陳化ph值對膜層緻密性能的影響，發現在ph值為8 . 5陳化能夠得到最佳的包覆；對于化學氣相沉積法，通過分析不同溫度、不同氧流速、不同時間對包覆膜層緻密性能和zns ： cu材料的發光性能的影響，找到了該實驗范圍內包覆的最佳條件。分享友人