粘性散 的英文怎麼說
中文拼音 [niánxìngsǎn]
粘性散
英文
adhesive dispersion-
And the rock mass as the main object of most engineering practice is developed by all kinds of geotechnical action and force in the long geology history to the complex characteristic of continuous medium, crannied medium and granular medium, to the anisotropic and heterogeneous entity with elasticity, plasticity, viscidity, creepocity and rheology
作為主要工程對象的巖體是在漫長的地質歷史發展過程中經受各種地質營力作用而形成的成因和構造復雜,巖性多樣且包含了連續介質,裂隙介質和散體介質特徵的,兼有彈性、塑性、粘性、流變性的各向異性的非均質地質體。It is suitable for automatic packaging of loose, nonsticky, granular and thick powder products in the pharmarceeutical, the food, the plant, the chemical products, such as instant drink, pellet, monosodium glutamate, white sugar, soup stuff, black coffee, wheat groats etc
適用於醫藥、食品、植物種子、化工等產品的鬆散狀無粘性粗粉狀、顆粒狀物料的自動包裝,如:沖劑、小丸、味精、白糖、湯料、麥片等。It adopts reynolds time - average n - s equation and k - ? turbulence model to calculate the inner 3 - d viscid turbulence flow of centrifugal pump. in the unstructured grid, the governing equations are discretized with finite volume method based on finite element method. then the pressure correction method is used to carry out numerical calculation
而後採用基於雷諾時均n - s方程與標準-湍流模型來求解離心泵葉輪內三維粘性紊流,在非結構化網格中,採用基於有限元的有限體積法對方程進行離散,用壓力校正法進行數值求解。In this paper, some characteristics of flow movement and sediment transport are analyzed by using the flume experiment data. the cross section of compound channel can be divided into four regions : the undisturbed region in main channel, the interactive region between channel and plain, the undisturbed region in flood plain and the boundary region. in the undisturbed regions, the distribution of longitudinal velocity along the depth has the feature of lograithmic. whereas, in the interactive region, the longitudinal velocity does not obey the logarithmic distribution law, but it can expressed as a revised logarithmic function by using a wake function. on the basis of the kinematic equation the velocity distribution of transverse velocity is obtained. in the boundary region, the longitudinal velocity obeys the law of parabolic distribution. furthermore, according to the simplified diffusion equation, the transverse distribution of sediment concentration in the interactive region is deduced. the analysis is in good agreement with the measured data
本文根據漫灘水流的運動特點,將漫灘水流的復式斷面分為主槽平衡區、灘槽交互區、灘地平衡區及邊壁區等4個區,並給出了各區寬度的經驗公式.根據灘槽交互區垂線流速分佈的變化特點,提出了附加尾流函數的對數流速分佈公式.在簡化水流運動方程和泥沙擴散方程的基礎上,對灘槽交互區內垂線平均流速及含沙量沿橫向分佈進行了理論分析,提出了反映灘槽水流動量交換強度的橫向渦量粘性系數及橫向擴散系數的表達式,得到了漫灘水流垂線平均流速及含沙量沿橫向分佈的解析解,並與實測資料吻合較好And vibration function make supplies viscidity and interior frictional force of particle reduce greatly, make the sport tempo of the particle of the supplies increase, has increased the number of times of colliding effectively, accelerate cement particle surface hyrate to speed that liquid phase spread, is it fully go on to mix and stir at micro competence to guarantee
而振動作用使物料顆粒間的粘性和內摩擦力大大減小,使物料顆粒的運動速度增大,增加了有效碰撞次數,加快了水泥顆粒表面水化物向液相擴散的速度,從而保證了拌和在微觀水平上的充分進行。It is suitable for automatically packaging of loose nonsticky , granular and poedered products such as foodstuffs , medicines tea , chemicals and seed etc
適用於食品醫藥、茶葉、植物種子化工等產品的鬆散無粘性粉狀,粒狀物品自動包裝。Standard test method for unconsolidated - undrained triaxial compressiontest on cohesive soils
粘性土壤的鬆散-不排水三軸壓縮試驗的標準試驗方法The initial analysis of the infrared absorption and raman scattering spectra of this viscous material suggested that it was a new form of water characterized by a symmetrical hydrogen bond
對這種粘性物質進行紅外線吸收和拉曼散射光譜的初步分析表明:它是以具有對稱的氫鍵為特徵的水的一種新形式。This dissertation mainly investigates the properties of solutions of a class of quasi - linear wave equations with a viscosity, a nonlinear perturbation ( source term ) and a dissipative term ( damping term ), which arises from the longitudinal motion of a visco - elastic material. it contains the problems of existence and uniqueness of solutions, global existence, asymptotic behaviour and finite time blow up, etc. this thesis consists of four parts
本論文主要研究來自於物體的波動等應用領域中的一類帶有粘性項、非線性擾動項(源項)和耗散項(阻尼項)的擬線性波動方程解的定性性質,內容包括解的存在唯一性,解的整體存在性和漸進性態及解在有限時刻爆破等問題Firstly, under the condition of constant viscous dissipation, the field coordination equation was induced for steady laminar convective heat transfer by the conditional variational principle based on the extremum principle of heat transport potential capacity dissipation
首先在粘性耗散一定的條件下以熱量傳遞勢容耗散取得極值為優化目標,運用變分方法導出了層流對流換熱場協同方程。The total pressure is subdivided into the hydrostatic and residual hydrodynamic components. k - e turbulent flows model, non - staggered curvilinear grids, momentum interpolation, simplec and simpler algorithms are used to solve the basic equations
水流運動方程壓力項分解為靜水壓力和動水壓力,紊動粘性系數由k紊流模型求解,非交錯網格減化方程離散,降低插值運算。( 2 ) on the basis of continuity equation, momentum conservation equation, energy conservation equation, and substantial equation, coupled thm governing equations are derivated with giving up the assumption of local thermal equilibrium, adopting thermal elasto - plastic constitutive relation, taking the effect of temperature gradient on groundwater seepage ( analogous to soret diffusion ) and the effect of viscous dissipation of groundwater on temperature field of rock mass into account
( 2 )根據連續性方程、線動量平衡方程和能量守恆方程以及相應的物性方程推導了飽和巖體溫度場-滲流場-變形場三場耦合作用控制方程組。在推導控制方程組時舍棄了「局部熱平衡」假設,採用了熱彈塑性本構關系,考慮了溫度梯度對地下水滲流的影響(類soret效應)以及地下水的粘性耗散對巖體溫度場的影響。The low - frequency discrete noise of the propeller is induced by the interaction between blades of the propeller and wake of the marine, and the low - frequency broadband noise of the propeller is produced by the interaction of blades and turbulent field of the marine stern
螺旋槳的低頻離散譜噪聲是由船尾伴流場和葉片的相互作用引起的,而低頻寬帶噪聲是由船尾粘性湍流場和葉片的相互作用產生的。The paper uses a high order method to solve incompressible viscous complex flows based on a domain decomposition and matched method, the primitive variable and pressure poisson equation formulation are employed for the numerical solutions of the incompressible navier - stokes equations, in tensor forms, on non - staggered grids
本文採用了一種基於分塊耦合求解粘性不可壓縮復雜流場的高精度計算方法。計算模塊採用原始變量和壓力poisson方程方法,差分方程為張量形式的粘性不可壓縮navier - stokes方程組在非交錯網格上離散。In the 3rd section we introduce how to use mathematical model to study financial problems, whose assets running on mixed jump - diffusion process, first we get the famous non - linear feynman - kac formula by fbsde, then let the solution of the bsde be a investor ' s utility function, and it ' s the so - called recurse utility function. second, we can prove that this utility function is a continue viscosity solution of the variation inequality which we get above, and we get the comparison theory. third we can use the result to financial market to study the optimal consumption and portfolio problem or evaluate the american option
第三章介紹了利用金融資產價格運行基於復合跳躍? ?擴散過程的數理模型來研究金融經濟問題,通過結合運用正倒向隨機微分方程,推導得到著名的非線性feynman - - kac公式,並且將相應的倒向隨機微分方程的解記為投資者的值函數,這也就是通常所說的效用值函數;接著我們可以證明此效用值函數為某一偏微積分變差不等式的連續粘性解,並且得到了比較原則;這些結果可以應用到金融領域用於消費投資組合的選擇或是美式期權的估值。In this thesis, the modified critical fracture resistance was defined by excluding the viscoelastic dissipation, which is related to the intrinsic fracture energy
本文利用內稟斷裂能的概念,定義了不含粘性耗散項的臨界斷裂阻力。The strength of harden material is high, and the properties of this materials and the repairing techniques are advantageous to that of the others. by theoretical exploration on mechanism of permeation, investigate the movement regulation of the material in the object be treated. that make grouting technolgy can be suported by theories : absorb - permeate mechanism of the liquid in the soil proceed to experiment, intermittent grouting method was made according to the result of experiment ; establish the proliferation control theories model of modified epoxy resin in the not even crack system ; to match between material characteristic and craft, to reach the goal of construction in the special and complicated cases, can be directed by the theories
通過對漿材在工程處理對象中的滲透擴散機制的理論試驗探討,探索漿材在處理對象中的運動規律,使化灌工藝技術得到理論支撐:對低滲性粘性土中漿液的吸滲機制進行試驗研究,並據此確定間歇式灌漿的工藝措施;建立改性環氧漿材在非均勻裂隙體系中的擴散控制理論模型,並運用材料特性、工藝的科學配合,達到化灌理論指導特殊復雜條件下施工的目的。Only clouds of points instead of grids are distributed over the computational domain and the spatial derivatives are estimated using a least - square curve fit on local clouds of points. the paper gives discrete form for euler equations on base of gridless method, and adopts five steps runge - kutta scheme for time - marching. the numerical results have been obtained for the 2 - d flows over airfoils or multi - element airfoils using the method presented
本文首先對無粘euler方程進行無網格離散,並運用顯式runge - kutta格式推進求解,成功地數值模擬了二維單段和多段翼型的繞流;在此成功的基礎上通過在euler方程的右端加入粘性項,使求解方程變為層流navier ? stokes方程,得到了翼型繞流,數值結果顯示出粘性的影響。The ns solver is developed from euler equation code by adding viscous terms and two - equation turbulence models. in order to get a better result, the improved jameson second and forth artificial dissipation is used, the implicit residual averaging and local time step techniques are employed to accelerate the convergence processing
本文是在歐拉方程求解器的基礎上,通過加入粘性(耗散)項,把流場的主控方程由歐拉方程( euler )改為ns方程,然後引入兩方程湍流模型,使其封閉。Using the structure of diffused electric doublet layer based on dlvo theory, we analyze the factors which influence the cofe2o4 ionic magnetic fluid ' s stability, and they include magnetic particles " diameter d, magnetic fluid ' s q, magnetic particulate volume ratio v, and the viscous layer on the surface of particles
以dlvo理論為基礎,利用擴散雙電層結構分析得知,影響cofe _ 2o _ 4離子型磁性液體穩定性的因素有:磁性微粒粒徑d 、磁性液體的q值、磁性微粒的體積分數_ ,以及磁性微粒表面粘性層的存在。分享友人