飽和度方程 的英文怎麼說
中文拼音 [bǎohédùfāngchéng]
飽和度方程
英文
saturation equation- 飽 : Ⅰ形容詞1 (吃足) have eaten one s fill; be full 2 (充實; 飽滿) full; plump Ⅱ副詞(充足; 充分)...
- 和 : 和動詞(在粉狀物中加液體攪拌或揉弄使有黏性) mix (powder) with water, etc. : 和點兒灰泥 prepare some plaster
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 程 : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
- 飽和度 : saturation level; saturation; degree of saturation飽和度控制 saturation control; 飽和度數值 satur...
- 飽和 : (在一定溫度壓力下, 溶液可含溶質的量達到最大限度, 不能再溶解, 泛指事物達到最高限度) saturation; saturated
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The saturated densities, vapour pressures, and latent heats of vaporization for hfc working substances of refrigeration are calculated by using a set of general equations of thermophysical property of liquids
摘要應用一套通用型流體熱物性方程對hfc類致冷工質的飽和密度、蒸汽壓和汽化潛熱進行計算。Cdq series coal gas producer outlet spawning, lined set help water, stove inner every arrangement of ideas saturated temperature, upper material, get rid of grey system equal device voluntarily move round process middle, hooverize clouded or frosted imitation glass, safe reliable, operation convenient
Cdq系列煤氣發生爐出口放散夾套補水爐內各層次飽和溫度上料除灰系統均可裝置自動運轉過程中,可節約燒料,安全可靠,操作方便。This paper mainly analyzes control delay at urban signalized intersections. based on the survey data, this paper talks about vehicles movement characteristics of arrival and depart process, then the queueing headway distribution is obtained, and the suggestion that saturated flow should be measured from the sixth queuing vehicle is offered. using random process theory analysis and computer simulation, the queuing length distribution model is obtained
本論文針對平面信號控制交叉口的延誤問題進行了分析,在實測數據分析的基礎上,探討了車輛到達過程和離開過程的運行特性,給出信號交叉口排隊離散車頭時距分佈模型,提出飽和流率的測量應從第六個離開的排隊車輛算起;運用隨機過程理論和計算機模擬的方法得到了信號交叉口排隊長度分佈模型,在此基礎上運用協調變換的方法改進了車輛延誤模型。The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault , researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system , a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows : this paper compared some existing methods in excitation control , fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 , indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which , discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations , made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations , which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations , there were several very important parameters of power system - - rotor angle ( ) , rotor speed ( ) , generator q axis voltage ( eq ) , transient voltage ( e ' q ) , active power ( pe ) , mechanical input power ( pm ) , valve opening ( ) , generator terminal voltage ( vt ) , based on the model , nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault , which achieved better postfault regulation compared with another two routine methods , one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either
在介紹逆系統理論的基礎上,詳細介紹了dfl理論,通過比較闡明了dfl理論其本質是逆系統方法的一類,並結合具體課題推導出的模型方程將dfl理論進行了擴展,使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程,此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ,在此基礎上建立了實用的電力系統簡化的數學模型,並將擴展的dfl理論應用於此模型系統,結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器,通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門(考慮發電機的飽和因素)進行了對比,證實了採用此種控制器可以有效地提高電力系統的暫態穩定性,並且在電力系統遭受小干擾時同樣具有良好的調節性能。With increase of artificial forest age, the content of soil organic matter decreased sharply. and soil physical, chemical and biological properties of forest became worsen. from soil physical properties analysis, soil silt, clay, physical clay, aggregate degree and structure coefficient in topsoil increased with increase of artificial forest age and soil sand deceased
在土壤物理性質方面,隨著人工雲杉林齡的增加,土壤表層粉粒、粘粒、物理性粘粒、團聚度和結構系數降低,砂粒含量增高,土壤飽和持水量、毛管持水量及總孔隙和毛管孔隙在人工雲杉演替過程中表現出「 u 」型變化。In this paper, the author studies the sand response under the vibrating load carefully to provide the vibrating grouting method with good parameters. at first, the sand is studied through the dynamic tri - axial experiment, in which we use a computer - controlled system which is advanced in our country
本文著重進行振動力作用下飽和砂土地基的響應分析,從有限元計算、解析分析和工程經驗三個角度進行研究,三種方法各有優缺、互為補充,以期為施工工藝提供良好的施工參數。Fourthly, with the finite element program, the author analyzes the relationship between the load magnitude or frequency and range of breakage or pore pressure. this can provide appropriate parameters for the method of vibrating grouting. fifthly, adopting the compressible porous medium, the author adduced dynamic theory of liquid saturated porous medium to analyze the displacement and force in the sand when there is dynamic load below the earth surface
基於連續介質力學的混合物理論建立的多孔介質理論和動力控制方程,假設砂土滿足各向同性並處于彈性小應變狀態,豎向振動力將在飽和砂土內部產生三種波,分析了這些波的彌散曲線和特徵衰減曲線,從波傳播的角度,研究了振動力參數和土性參數對振動范圍的影響。Abstract : in this article, starting from solute s transport a nd diffusion equati on, aiming at the saturation state of liquid in homogeneous soil of impermeable stratum and on the condition that lots of saturated solute ( e. g. nutriment ) on t op of the soil maintain diffusion, a strict mathematical deduction is carried ou t, and the analytical solution of solute s concentration distribution in homogeneous s o il is given
文摘:從溶質輸移擴散方程出發,針對強透水層上均質土壤的液體飽和狀態,在頂層含有大量飽和溶質(如養分等)維持著滲透擴散的條件下,進行嚴密的數學推證,給出均質土壤中溶質濃度分佈的解析解。2 the modification of unsaturated soil if the degree of saturation is between 90 % and 100 %. the soil is called unsaturated soil. in this article, firstly, the author modifies the bulk modulus of water with equivlent modulus, and then anlayses the dynamic character of unsaturated soil using two - phase media motion differential equations
2 、欠飽和土的修正方法通常把飽和度sr在90 100之間的土稱為欠飽和土,本文首先利用等價模量對水的體積模量進行修正,然後利用兩相介質的動力微分方程分析欠飽和土的動力特性。The main work includes : for the torsional vibrations of a rigid disk on saturated media, first, the dynamic governing equations are solved by the use of hankel transform and the general solutions in the hankel transform fields are formulated. then, considering the mixed boundary - value condition, the dual integral equations of the torsional vibrations of a rigid disk on saturated grounds are obtained, which can be reduced to the fredholm integral equations of the second kind and solved by numerical procedures. consequently, the dynamic compliance coefficient curves and the torsional angle amplitude curves versus the dimensionless frequency are presented and contrasted to that of the elastic one
在前人研究的基礎上,本文基於陳龍珠等曾提出的一組實用飽和土波動方程,用解析或半解析的方法首次較系統而深入地研究了飽和半空間地基與基礎的扭轉振動問題,主要工作有:對于飽和地基上剛性圓板的扭轉振動,作者首先採用hankel變換求解了動力控制方程,得到了該控制方程在hankel變換域內的通解,然後由混合邊值條件建立了飽和地基上剛性基礎扭轉振動時的對偶積分方程,並將其化為易於數值求解的第二類fredholm積分方程,用數值方法計算了基礎的動柔度和扭轉角幅值與振動頻率的關系曲線,並將其與單相彈性介質情況進行了對比分析。Based on the analysis about the test requirements and the saturated magnetization of the armor plate, the excitation magnetic circuit satisfying the testing condition and a validation system are designed. because the geometric, of the magnetic leakage at the direction of the normal of the roundness fault has the feature of two peaks : a positive and a negative, using the linear regression and the software matlab, two regression equation are proposed : one is about the peak value of the magnetic leakage and the diameter and depth of the roundness fault ; the other is the distance between the two peaks and the diameter of the roundness fault. the result of the validation system proves that the two equations are valid, and an applied method using for quantificationally inspecting the roundness faults is proposed according to the two equations
根據實驗要求,通過對鋼板達到飽和磁化的必要性進行的分析,設計了符合試驗條件的勵磁磁路,並設計了一套實驗驗證系統;根據圓形缺陷法線分量漏磁場幾何圖形正負雙峰值的特點,採用線性回歸擬合的原理和matlab軟體及其統計工具箱中的相關函數,給出了圓形缺陷漏磁場幾何圖形的峰峰值與圓形缺陷的直徑和深度以及峰峰值間距與圓形缺陷直徑的兩個回歸擬合方程,並通過實驗驗證系統驗證了擬合方程的正確性,利用這兩個簡單實用的擬合方程,提出了一種工程定量檢測圓形缺陷的應用方案。Determining oxygen saturation in human blood by transmittance oxymetry is well developed as a monitoring technique, which is applied widely in clinical diagnosis or house health care. however, reflectance detecting is necessary in many circumstances, such as cerebral oxygen saturation, muscle oxygen saturation, or fetal oxygen saturation monitoring. how to get an exact and dependable reflectance oxygen saturation value by non - invasive and economic means is always concerned by researchers in biomedical engineering
採用透射式檢測方法確定人體血液中的氧飽和度已經是較為成熟的監護手段,在臨床和家庭保健場合有廣泛的應用;但在很多需要進行反射檢測的場合,如腦血氧、肌血氧、胎兒血氧監護等,如何用無創、經濟的方法獲得準確、可靠的血氧飽和度值仍是生物醫學工程領域不斷在探索的問題。( 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。Traditionally, the saturated zone is modeled as a simple lumped continuity equation :, dsitqsdt where t is time, s is the total storage in the reservoir, i is the spatially integrated volume of incoming wa - ter, and q is the discharge subsurface runoff which only depends on the total storage s. this kind of subsurface runoff model has many different parame - terizations 10 12, however it has a very common char - acteristic that the subsurface runoff is just a sin - gle - valued storage - discharge function
對于大尺度水文模型而言,目前常常採用的是集總式的地下徑流機制,其連續性方程一般可表示為d , dsitqst ? 1這里t是時間, s表示整個流域潛水面土壤層的飽和區域總的水分儲存量, i t表示t時刻土壤的非飽和區域向整個潛水面的水分補充量, q s表示僅依賴於水分儲存量s的地下徑流量量Based on these foundations, we give a perfect scheme of the bbo opos : single pass amplification coefficient of the opg under different pump intensity is calculated ; collinear type - i and type - ii phase matching tuning curve pumped by the q switch nd : yag various harmonics as well as noncollinear type - i tuning curve are calculated in details ; the effect of the walkoff for the nonlinear effect coefficient and the group velocity matching are analyzed ; the acceptance angle in parametric process is calculated ; the numerical threshold of the bbo opo is calculated ; the process of the saturation and depletion of the pump beam are analyzed ; the relationship of the conversion efficiency and reflectance of output mirror are discussed ; various linewidth controlling methods are discussed ; the improvement of the beam quality applying the unstable cavity is discussed ; and the crystal bbo design is considered
在此基礎上,給出了一整套bbo - opo激光參數設計方案:計算了不同泵浦強度下的參量放大倍數;詳細計算了在nd : yag調q激光器各次諧波泵浦條件下的共線類和類相位匹配的調諧曲線,以及非共線類相位匹配調諧曲線;分析了走離角對非線性系數和群速匹配的影響;計算了參量過程的允許角;計算了bbo - opo的理論閾值條件;分析了飽和與泵浦光束的消耗過程;給出了轉換效率與超過泵浦閾值的倍數的關系;討論了轉換效率與輸出鏡反射率的關系;討論了線寬控制的各種方法;研究了利用非穩腔改善光束質量的方法;考慮了bbo晶體的設計。The main works and results we have accomplished are as follows : 1 ) red - detuned locking of cooling / trapping laser to the cycling transition of cesium cooling has been accomplished by means of a double - passed acoustic - optical frequency shifting system and the technique of saturated absorption spectroscopy. the short - term residual frequency jitter is less than 350khz ; 2 ) automatic controlling system by computer programs has been established for laser cooling and trapping and cavity qed experiment. the laser and magnetic fields can be controlled by the acoustic - optical modulator and the electronic - controlled logic gate respectively
具體如下: 1 )採用了往返兩次通過的聲光頻移系統結合飽和吸收光譜技術的實驗方案,實現了冷卻俘獲激光頻率相對于銫原子冷卻循環躍遷的負失諧鎖定,短期頻率穩定度約在350khz以內,並可方便地調節其負失諧量而無須對后續光路再作調整; 2 )建立了一套基於計算機程序控制的、銫原子激光冷卻與俘獲實驗所需的時序控制系統。Finite volume element method is used for the first equation, and the second concentration equation is treated by a combination of the finite volume element method and the method of characteristics
對壓力方程採用有限體積元法,對飽和度方程採用特徵有限體積元法進行數值分析。Miscible compressible displacement in a porous media is modelled by a nonlinear coupled system of two parabolic equations : the pressure equation and the concentration equation
摘要有界區域上多孔介質中可壓縮可混溶驅動問題由兩個非線性拋物型方程耦合而成:壓力方程和飽和度方程均是拋物型方程。This paper presents a novel method, a generalized water drive curve, that just one equation is applied to describe the variety types of water drive curves
基於對描述油水相對滲透率比與含水飽和度關系曲線的方程的修正,建立了能夠用一個公式描述各種不同形態水驅曲線的方法。Having established the coupling model of two phase flow of water and gas and used the method of impes ( implicit pressure - explicit saturation method ) to solve it, this paper apply it to the simulation and calculation of transport and production of water and gas of tl coal bed methane well in qinshui basin
摘要本文建立了非飽和帶水氣二相滲流的耦合模型,並採用impes (隱式求解壓力方程,顯式求解飽和度)求解方法對該模型進行了求解。分享友人