flux function 中文意思是什麼

flux function 解釋
通量函數
  • flux : n 1 流，流出；流動。2 漲潮。3 不斷的變動，波動。4 【物理學】流量，通量，電通量，磁通量。5 熔解，...
  • function : n 1 功能，官能，機能，作用。2 〈常 pl 〉職務，職責。3 慶祝儀式；（盛大的）集會，宴會。4 【數學】...
  1. Considering the electrovalence, the curve of water consumption and the reliability of water supply, this paper respectively sets up the model based on the maximal flux and the model based on the expectation flux. it takes yearly expenditure converting value and yearly cistern converting value as target function and takes continuity equation, velocity of flow and compression resistance of cast iron pipeline as restrictions and sets up the pga model on optimal design of water supply networks

    考慮到峰谷電價、用水量變化曲線及用水可靠性因素的影響，分別建立了以最高時流量設計管網的模型和以期望時流量設計管網的模型，以年費用折算值加上清水池年造價折算值為目標函數，以連續性方程、管中流速和鑄鐵管耐壓值等為約束條件，進行并行遺傳演算法對給水管網優化設計的實現。
  2. It is well established that facet damage is caused by the optical flux density at the laser facet and that it is not a function of the operating current.

    業已明確肯定，端面損傷是由激光器端面的光流密度引起的，並且不是工作電流的函數。
  3. In the part of theory study, based on the research fruit which the scholars before had made, from the competition ' s and competitiveness ' s initial definition, the essential connotation can be dredged up. depend on the analysis of the charter and function, the city ' s functions can be definituded as which cluster is means and diffuse is purpose. that is, the function of cluster can streghten through diffusion, the integrative competitiveness advantage reflects those functions together flatly. so, based on the shanghai social & science academe ' s and ni pengfei ' s urban competitiveness model - - goss, quality and flux can be used to contain the abundance content of urban competitiveness, as a result, the urban competitiveness indicator system can be established

    在理論研究部分，在整合前人研究成果的基礎上獨辟蹊徑，從競爭和競爭力的原始定義出發挖掘城市競爭力的基本內涵，通過對中心城市特徵和職能的分析，明確了城市經濟集聚的目的是為了擴散，擴散才能進一步增強集聚的能力，而綜合競爭力的優勢則恰恰在這一點上集中反映了城市集聚和擴散功能的強弱；最後借鑒上海社會科學院和倪鵬飛的研究模型? ?用總量、質量和流量三個一級指標來涵蓋城市競爭力的豐富內容，並由此架構評價指標體系。
  4. Summarize : multi - input, can be used cooperate with various sensors / transducers, measure 、 display and alarm control the physical quantities such as temperature 、 humidity 、 liquid level and flux # 118alues and transform them to export, can read and write all parameters via the computer through serial communication, besides it can offer 24vdc power supply for 2 - wire transducers, four - bit led displaying, the multi - segment curve correcting function is selectable, one meter can equip four alarm relay outputs 、 one transform ( or communication ) output and one equipped power supply outputs

    萬能輸入，可與各類傳感器、變送器配合使用，實現溫度、濕度、壓力、液位、流量等物理量的測量、顯示、報警控制和變送輸出；通過串列通信口，可在上位計算機中實現全部儀表參數的讀寫；還可為兩線制變送器提供24vdc電源； 4位高亮度led數字顯示；對輸入信號有多段折線修正功能可選；一臺儀表最多可配4個報警繼電器輸出、一路變送（或通信）輸出和一路配電輸出。
  5. At present, whereas so many reasons such as its using function changing from irrigation to city water supply, the increasing of importance, the original design standard on the low side, the damage and aging of structure, the demand for seismic fortify in strong earthquake region and offering data of technical alteration for adding flux aftertime, it is important for safety and seismic capability of this aqueduct bridge

    目前，該渡槽使用功能由灌溉輸水改為城市供水、實際重要性提高、鑒于原設計標準偏低、結構的病害和老化破損以及地處強震區對抗震設防的要求，為日後加大流量進行技術改造提供依據，因而急需對渡槽作較詳細的安全可靠性評估和抗震性能評估。本文針對該渡槽進行了原位現場檢測，並對其進行結構分析計算和結構的安全性能與抗震性能的評估等方面的工作。
  6. One of the fuzzy controllers functions as speed controller, while the other two function as magnetic thrust controller and magnetic flux controller respectively

    1個模糊控制器作為速度控制器，另外2個模糊控制器分別作為電磁推力控制器和磁鏈控制器。
  7. The improved voltage model of rotor flux is proposed in the paper. it eliminates the influence to actual system function in the voltage model of rotor flux for the proper drift problem and cumulative error of pure integral calculus tache

    提出了改進的電壓型轉子磁鏈估算模型，消除了電壓型轉子磁鏈估算模型中純積分環節所固有的漂移問題和積累誤差對實際系統性能的影響。
  8. According to the regulation of degressive effusion flux of uf during the period time of alga - blooming, this paper also favors the optimum function parameter of uf. when the water temperature is 30, the optimum tmp is 0. 07mpa, the optimum hydraulic re - wash period is 40min, the optimum chemical wash period is 330min ; when the water temperature is 20, the optimum tmp is 0. 07mpa, the optimum hydraulic re - wash period is 60min, the optimum chemical wash period is 960min

    並且根據高藻期超濾處理沉澱池出水通量下降的規律，提出了超濾運行的最佳工藝參數，即水溫30時初始透膜壓力，水力反沖洗周期，化學清洗周期分別取0 . 07mpa ， 40min ， 330min ;水溫20時以上數值分別為0 . 07mpa ， 60min ， 960min 。
  9. The numerical algorithm of solving the adjoint equations for different design cases have been developed by using finite volume methodology which is usually used to solve the flow governed equation. it includes the some important aspects, such as flux formulation, wall and far - field boundary treatment methodology, dissipative term formulation, etc. after the solution of the adjoint equations is obtained, the derivatives of the cost function with respect to all the design variables can be evaluated with the same operation. this can yields a significant saving over the other gradient - based techniques when there are many design variables

    （ 3 ）進行了應用控制理論和三維歐拉方程的機翼氣動反設計研究，以及有升力約束情形下機翼跨音速減阻問題研究，分別推導了相應的共軛方程及邊界條件數學表達形式，研究與發展了三維共軛方程的有限體積數值求解方法，及相應梯度公式的數值求解方法，通過對計算網格生成、流場計算、共軛方程數值求解、梯度求解和優化演算法等多方面的有效結合，成功發展了三維機翼的氣動反設計和跨音速減阻優化設計程序，成功地進行了多個設計算例研究。
  10. In order to achieve a computer code with a maximum degree of vectorization, the numerical flux function must be written uniformly with sign function. to get higher order accuracy, the muscl interpolation functions are applied for van leer and roe schemes

    Vanleer和roe格式摘要（ abstraet ）均採用muscl插值使格式具有高階精度，並採用連續可微的vanalbada通量限制器，使格式具有良好的穩定性和收斂特性。
  11. The error is related to the two rank partial derivative of the flux function to each factor and the mean variance distribution of each factor on each grid point. the statistical - dynamical parameterization scheme involves the both conditions, therefore, it is more practical for the east china moist region than the mosaic method

    另而自乞計一動刀寧腸則院含考慮了要紊的二階偏導數及其在網格元上的分佈的均方差，因而該方案比馬賽克法考慮更為周全（至少在東部涅潤區如此） 。
  12. Welding electrode is a kind of welding material, which is widely used in machine manufacturing and project construction. it consists of welding core and fluxes coated on the welding core. the composition of the flux and the level of the mixture uniformity are key factors in which determine the type, function and quality of the welding electrode

    電焊條是機械製造和工程建設中廣泛使用的焊接材料，它由焊芯和塗在焊芯外的藥皮組成，藥皮成份配方和混合均勻度是決定電焊條的型號、性能和質量的重要因素，而成份配比的準確性和混合的均勻性，則依賴于配料工藝的先進程度。
  13. The method is firstly applied to solve the linear convection - dominated diffusion problems and the optimal l2 - error estimates of the unknown function c and the vector flux p are gained

    此方法首先被用於求解線性對流擴散問題，得到了關于未知函數c及伴隨函數p的最優l ~ 2誤差估計。
  14. Thirdly, the conclusions of the two aspect applications are given as follows : the exploration of the application of the evaporation duct prediction to the flux relationship research and evaporation duct predicting shows that based on this predicting method and with microwave refractometer, as sensor, ( 1 ) the dimensionless gradient function of temperature, humidity and refractivity in the flux relationships can be determined with higher precision, ( 2 ) the limitations of conventional observations on the predicting accuracy for evaporation duct can be avoided and the precise prediction for evaporation duct can be obtained with the accurate measurement of refractivity profile within a few meters. the radar performance under given evaporation

    三、對兩個應用問題的討論表明：基於本文發展的蒸發波導預測理論，使用微波折射率儀為傳感器： （ 1 ）開展通量關系研究時，可以用於邊界層溫度、濕度和折射率無量綱梯度函數的精確測定和得到蒸發波導環境預測所需的偽折射率參數化函數關系； （ 2 ）預測蒸蒸發波導環境特性和傳播特性及其應用研究發波導環境時可以避免使用傳統氣海界面要素測量中存在的局限，並用折射率音d面不太高的精確測量結果精確預測蒸發波導環境。
  15. It is very difficult to analyze flame radiation in the cylinder of a diesel engine by theoretical method since flame radiation is a function of many parameters, such as the combustion process, the geometrical description of the chamber, the soot formation and oxidation processes, the soot radiant temperature and soot absorption coefficient. the radiant property of the flame in a cylinder is dependent on the combustion process. but the thermodynamic state of real engine cycles can be analyzed from the pressure - volume diagrams in the cylinder. thus a new thermodynamic computational model is set up for the flame radiation in the cylinder of a diesel engine based on the indirect relationship between the flame radiation and the pressure - volume diagram of the combustion process in this paper. the flame radiant heat flux in the cylinder of a di diesel engine is calculated with the variation of crank angle by this model. compared with measured values, the result of the computational values shows the model is available to represent the effects of flame radiation

    柴油機缸內的火焰輻射受諸多因素的影響，用理論分析法來確定它是相當困難的，由於柴油機缸內火焰輻射特性依賴于缸內的燃燒過程，而燃燒過程中的實際熱力狀態又可用示功圖來分析，因此藉助於火焰輻射與缸內熱力參數之間的這種間接關系，建立了一種計算柴油機缸內火焰輻射傳熱的新模型，利用該模型對一臺直噴柴油機缸內火焰輻射熱流量隨曲軸轉角的變化情況進行了計算，將計算結果與實測結果進行了比較，表明該模型能較好預測缸內火焰輻射傳熱量。
  16. A variable - speed dtc pmsm system is set up to verify the dtc theory in pmsm, that is to control the toque by controlling the torque angle of motor if the stator flux linkage keeps constant. this paper points out the function of the space voltage vector by which the torque angle can be changed according to the need of torque of the motor

    主要作了以下開創性的工作：系統地闡述了永磁同步電機直接轉矩控制理論，發展了原有的控制理論，明確了空間電壓零矢量在控制系統中的重要作用? ?保持電機轉矩輸出，減小轉矩脈動，據此提出了包括零矢量的新型控制方法。
  17. The tests of e - o applications by our flux ktp has been realized, the results showed : optical waveguides fabricated by using an ion - exchange process, which have an exchange - ion concentration depth profile and refractive - index profile, is close to a complementary error - function distribution, optical homogeneity and device thermal stability is much better. amplitude modulation switch formed by our flux ktp has the contrast ratio of 150 : 1 and insert loss is 2. 5 % at 1064 nm. high quality optical pulse with 1 ns width was cut successfully by using an e - o modulator from a laser pulse with 50 ns width, this modulator had run for three years, and the crystal did n ' t blackened, it showed our low conductivity flux ktp can endure high modulation voltage for a very long time

    Ktp晶體的電光應用試驗表明：用離子交換法製作的電光波導，其離子交換濃度、折射率變化符合餘弦誤差函數，光學均勻性以及器件的溫度穩定性較好；製作的強度調制電光開關，消光比為150 ： 1 ，對1064nm激光的插入損耗為2 . 5 ；製作的電光調制器用於激光脈沖整形試驗，從脈沖寬度50ns的激光脈沖削出脈寬1ns的高質量光脈沖，該電光開關經過長達三年多的使用，沒有出現晶體變黑現象，說明本實驗的低電導率ktp晶體能夠耐受長時間的調制電壓。
  18. Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail

    針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向，本論文重點做了以下幾個方面的工作，目的在於提高dtc系統的綜合性能： （ 1 ）提出一種新型的速度磁鏈觀測器，新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度，並且根據popov超穩定性理論推導出轉速的新型自適應收斂律； （ 2 ）改善系統的低速運行性能，主要從提高低速時對定子磁鏈的估計精度入手，提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數； （ 3 ）採用數字信號處理器dsp實現系統全數字化硬體控制，結合ti公司生產的tms320lf2407晶元，設計了直接轉矩控制系統的實驗裝置； （ 4 ）提出了基於sercos總線網路化分散式的直接轉矩控制系統， sercos （ serialrealtimecommunicationsystem ）是目前最適合同步和協調控制的串列實時通信協議； （ 5 ）基本勾勒出整個控制系統的硬體和軟體設計基本框架，詳細描述一些實驗中的具體的細節問題。
  19. From the experimental study, we gained function curve of heat flux and surface excess temperature under the atmospheric pressure. it will provide the base of farther development in the future

    通過實驗，得出了常壓下得熱流密度與壁面過余溫度的關系曲線，為今後的進一步研究提供了基礎。
  20. This paper analyzes the main composition and function of self - protection flux cored wire, presents the mechanical test results of welding x80 pipe steel ( developed by tianjin jinqiao company ) using the self - protection flux cored wire

    摘要文章分析了自保護藥芯焊絲的主要成分及作用，介紹了天津市金橋焊材集團有限公司研製的x80管道鋼用自保護藥芯焊絲的力學性能試驗結果。
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