粘度系數 的英文怎麼說

中文拼音 [niándùxìshǔ]
粘度系數 英文
coefficient of viscosity
  • 粘 : 粘動詞（粘附） glue; stick; paste; adhere to; bond
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. The way to get ko was given in this paper. by this way, the turbulence control equations were constructed from reynold equations with static pressure supposition and boussinesq ' s turbulence viscidity coefficient supposition and the salinity transportation equations, which are representative of the matter transportation equations, are given. the integrated deduction and corresponding boundary conditions are also given

    根據上述思想，從雷諾方程出發，採用靜壓假定和包辛內斯克的紊動粘性系數假說，建立了新坐標系中的紊流控制方程組，同時給出了對物質輸運過程具有代表性的鹽度輸運方程、相應的邊界條件及完整的推導過程。
  2. Theoretical analysis and computer simulation studies show that performance comparable to that of electro - control active damping suspension systems can be achieved with the hydraulic network model which can self - adaptingly adjust the damping of suspension to realize the optimal control by virtue of response of vehicle. in chapter 5, the effects of time - variant factors in the new active damping suspension system on reduction are investigated

    第五章研究了主動阻尼系統中的時變因數對減振系統的減振效果的影響（包括路況、車速、載重阻尼油的粘度系數隨油溫變化而引起的變化，油液的彈性模量等） ，並分析了模型簡化時一些被忽略的非線性因數對系統性能的影響。
  3. 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
  4. Finally, in the third section, by constructing some functional which similar to the conservation law of evolution equation and the technical estimates, we prove that in the inviscid limit the solution of generalized derivative ginzburg - landau equation ( ggl equation ) converges to the solution of derivative nonlinear schrodinger equation correspondently in one - dimension ; the existence of global smooth solution for a class of generalized derivative ginzburg - landau equation are proved in two - dimension, in some special case, we prove that the solution of ggl equation converges to the weak solution of derivative nonlinear schrodinger equation ; in general case, by using some integral identities of solution for generalized ginzburg - landau equations with inhomogeneous boundary condition and the estimates for the l ~ ( 2 ) norm on boundary of normal derivative and h ~ ( 1 ) ' norm of solution, we prove the existence of global weak solution of the inhomogeneous boundary value problem for generalized ginzburg - landau equations

    第三部分：在一維情形，我們考慮了一類帶導數項的ginzburg ? landau方程，通過構造一些類似於發展方程守恆律的泛函及巧妙的積分估計，證明了當粘性系數趨于零時， ginzburg ? landau方程的解逼近相應的帶導數項的schr （ ? ） dinger方程的解，並給出了最優收斂速度估計；在二維情形，我們證明了一類帶導數項的廣義ginzburg ? landau方程整體光滑解的存在性，以及在某種特殊情形下， gl方程的解趨近於相應的帶導數項的schr （ ? ） dinger方程的弱解；在一般情形下，我們討論了一類ginzburg ? landau方程的非齊次邊值問題，通過幾個積分恆等式，同時估計解的h ~ 1模及法向導數在邊界上的模，證明了整體弱解的存在性。
  5. Using smoluchowsky and mooney ' s rheology theory we analyze that without magnetic field 77 will increase as s andv increase ; using the rosensweig ' s formula and hydromechanical theory, we can illustrate that in the magnetic field and the outside temperature being certain, 77 will increase as the magnetic field increase, when the magnetic fluid ' s s and v are determined

    在外磁場的作用下，綜合rosensweis公式及流體力學理論很好的解釋了在外界溫度一定時，基液質量百分比濃度s和磁性微粒體積分數人確定的磁性液體，其粘滯系數司隨外磁場的增加而增加的原因。
  6. Detga - a sereies of bearing and circulating oils. manufactured from high viscosity index paraffinic base oils, prssessing excellent natural demulsificationnproperties. effective additives further enhance oxidation stability. recommended for applications where the extra load carrying characteristics are not required. suitable for lubrication of machine guides, bearings and spindies, aie line lubrication of maching tools, ring liled and wick feed bearings, and light duty gear and hydraulic systems

    德佳-一系列軸承及循環系統油，由高粘度指數石蠟烴基礎油製造，具有極佳之天然抗乳化性，有效的添加劑提高了抗氧化性能，特別推薦于輕度負荷的操作，可應用在機床導件、軸承、錠子、氣動件潤滑、油環及油繩潤滑軸承等，甚至是輕負荷及液壓系統。
  7. Second viscosity coefficient

    第二粘度系數
  8. Sir isaac newton was one of the pioneers in investigating viscosity, and on his analysis depends the definition of the coefficient

    艾薩克?牛頓爵士是研究粘度的先驅者之一，粘性系數就是根據他的分析下的定義。
  9. Moreover, the applicability of the incompressible friction factor is discussed. ( 3 ) the effects of surface roughness in microchannels were taken into account in terms of a roughness - viscosity function

    （ 3 ）將微管道表面粗糙度的影響等效為粗糙度粘性系數，提出適合於可壓縮流動的二維和三維粗糙度粘性系數模型。
  10. For the present two les models, adopting the subgrid eddy viscosity concept and introducing the transport equation of turbulence energy k, the subgrid scale turbulence is parameterized by the turbulence energy k and the length scale of turbulence / ( k - 1 model ). in addition, vegetation is considered as an internal source of resistant force and turbulence energy

    在應用大渦模擬方法求解數值計算模型控制方程時，亞網格雷諾應力項沿用了亞網格渦粘性系數思路，引入亞網格紊流脈動動能k的輸運方程，建立了關于亞網格紊流脈動動能k和紊流特徵長度l的k - l模型求解。
  11. To discuss the rheological effects of soft soil, shear strength is divided for rheological analysis. viscosity coefficient of remolding soil is used to modify partial parameters of routine soil mechanic tests. so the shear strength caused by rheological effects can be considered

    在前人研究的基礎上，本文採用對土體抗剪強度分類的方法研究了軟土的流變性，提出了重塑土粘滯系數的計算方法，重點分析了常規試驗中部分參數由於流變而引起的試驗誤差。
  12. Airox zs is a premium vacuum pump oil manufactured from high vi base stocks after special water removed treatment combined with oxidation, rust inhibitors and other additives

    雅士zs系列為優質高性能真空泵潤滑油，由經過特別脫水處理的高粘度指數基礎油和精選添加劑調配而成。
  13. Abstract : a series of techniques producing lube base oil developed by ripp, including the technique for production of naphthenic lube oil, high viscosity base oil from sour crude and the api group base oil with viscosity index more than 120 from hydrocracking tail oil, were introduced

    文摘:介紹了石油化工科學研究院開發的一系列潤滑油基礎油生產技術，主要有環烷基潤滑油生產的工藝技術，含硫原油生產高粘度指數基礎油的技術以及加氫裂化尾油制取粘度指數大於120的類基礎油技術。
  14. Studying surface tension of different concrete additives is helpful for additive choice in application and critical micelle concentration ( cmc ) is reference for the proper dosage of additives

    在混凝土中摻入適量的ns 、 pn或ss可以降低新拌混凝土的振動粘度系數。
  15. The results indicate that the fiber radius, infiltration pressure, liquid metal viscosity coefficient and the volume fraction of perform affect the infiltration velocity of liquid metal and the infiltration process

    對模擬結果分析研究表明，纖維半徑、浸滲壓力、液態金屬粘度系數和纖維預制體的體積分數等影響液態金屬的浸滲速度及浸滲過程。
  16. By the test of anchor cable pull - out intensity, research is carried on anchor capability, stiffness coefficient and prestress losses of anchor cable in reinforcing similar soil slopes. the mechanisms of reinforcing similar soil slopes by prestressed anchor cable sash ( beam ) are studied by the method of combination of field test, theory analysis and numerical simulation, as a result, the calculational pattern of internal force of anchor cable sash ( beam ) is put forward

    本文通過大量野外調查，提出類土質邊坡的概念，並分析了它不同於一般粘性土邊坡的特性；通過錨索抗拔試驗研究了類土質邊坡的錨固力大小、錨索剛度系數和錨索預應力損失情況；通過現場試驗、理論分析和數值計算相結合的方法，研究預應力錨索框架（地梁）加固類土質邊坡的機理，提出預應力錨索框架（地梁）的內力計算模式。
  17. In this thesis, through the technique ' s of compressing molding, the processing parameter and the mixture ratio of magnetic powder on magnetic properties of four kinds of binary composite bonded magnets ( ndfeb alnico ferrite smco ) were studied. the experiment results were analyzed by the method of polynomial fit. the following major achievements were attained

    本文採用模壓成型工藝對常見的四大永磁材料? ?釹鐵硼、鋁鎳鈷、鐵氧體、釤鈷進行了兩兩復合粘結，研究了工藝參數及磁粉配比對磁性能和溫度系數的影響，並通過計算機軟體進行擬合分析，得到了如下主要結果。
  18. According to the mathematic modeling principle of physical problem, the error of lattice boltzmann model is analyzed in chapter 3. the nonlinear deviation term from the navier - stokes equation is given, and the main model coefficients, such as speed of sound, viscosity and so on, are verified by numerical computation, the results show that the lattice boltzmann method has second order precision in space and in time which satisfy the engineering application, whereas, the compressible effect ca n ' t be neglected along with mach number increasing, and must be reduced or eliminated

    其次，按照物理問題數學建模的原則，對格子法的誤差進行了分析，給出了格子bgk方程再現navier - stokes方程時的壓縮誤差項，並數值驗證了格子模型的聲速及粘性系數等相關參數的精度，表明格子模型盡管具有時空二階精度，能滿足工程計算的要求，但隨著mach數增大，壓縮誤差逐漸成為主要誤差，必須予以消除。
  19. Plastics piping and ducting systems - pipes and fittings of unplasticized poly vinyl chloride - specimen preparation for determination of the viscosity number and calculation of the k - value

    塑料管和管道系統.未增塑聚氯乙烯管道和配件.粘度系數測定和k值計算的樣品準備
  20. Viscometry ; determination of the temperature coefficient of viscosity of liquids

    粘度.液體粘度的溫度系數的測定
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