primary equation 中文意思是什麼

primary equation 解釋
基本方程
  • primary : adj 1 第一的,最初的,初級的;初等的;基本的;基層的。2 主要的,為首的,第一位的。3 原始的,根本...
  • equation : n. 1. 平衡,均衡;平均,相等。2. 【數學】方程式,等式。3. 【天文學】(時)差;均分,等分。4. 【化學】反應式。
  1. This paper elaborates the parameters selection of the 700mw turbine for laxiwa power station located upstream yellow river, which is coming into construction soon. through statistical calculation of specific speed for turbines with large capacity, high operating head in domestic and oversea power station, utilizing turbine homologous theory. adopting regression statistic calculation method, it has got specific speed statistic equation., the demonstration of primary parameters selection, and the primary target parameters suitable for laxiwa power station

    本文針對黃河上游即將開工建設的拉西瓦水電站700mw水輪機的參數選擇進行了研究,通過對國內外的大容量、高水頭水輪機的比轉速統計計算,利用水輪機的相似理論,採用回歸統計計算方法,統計出了比轉速統計方程,並進行了水輪機主要參數選擇論證,提出了適合拉西瓦水電站水輪機的主要目標參數。
  2. Volume shrinkage of sample results in the increasing of the value of the crystallization rate vc and the decreasing the values of the avrami exponent n in the primary crystallization and s, defined as the relative crystallinity degree when experiment data deviate theoretical predicting straight line. compared with the avrami equation, the price equation hardly makes progress on describing the behavior of polymer later stage crystallization

    樣品體積收縮,導致avrami指數n值減小;結晶速度v _ c值增加;表示實驗值偏離理論預測直線時的相對結晶度_ s值減小;與avrami方程相比, price方程仍不能較準確地描述高聚物等溫後期結晶行為。
  3. It can be used to create the model data file for the seismic forward modeling semi - automatically. thus, the two primary difficult problems of low efficiency and accuracy have been solved very well. 2. graphic and digital image processing technique are introduced into geological modeling, and some kinds of arithmetic are presented, based on which fast model input for ray tracing and wave equation forward modeling have been both achieved

    首次建立了獨立於大型地震勘探專業軟體的開放式構造地質模型輸入系統,開發了針對于射線層狀結構模型和網格化波動方程模型的輸入軟體,大大地簡化了模型輸入的過程,極大地提高了構造地質模型的輸入效率,解決了以往模型輸入精度和效率不高的兩大難題。
  4. Based on studying a long focus oblique real - time aerial camera, this paper studys the reason of being out of focus systematically, and points that the primary reason of being out of focus is due to the change of environment ( temperature > atmospheric pressure ) and oblique photographic distance, and according to the three factors, talk about the effect on being out of focus of camera, the simple maths equation is presented in order to calculate out of focus

    基於一種長焦距斜視實時航空相機的研製,深入地探討了導致相機離焦的原因,指出環境(溫度、大氣壓力)變化和照相距離的變化是導致相機離焦的主要原因,分別從溫度、大氣壓力、照相距離這三個方面的變化對相機離焦的影響進行研究,給出了計算相機離焦量的簡化數學模型。
  5. From the aspect of geometry, structure design, manufacture and examine, this paper generally summarizes the gcm ' s study progress in detail, discusses its kinetic rule and the determination of its primary structure parameter, and educes its surface equation and pressure angle equation based on the homogeneous matrix transformation and the conjugate engagement theory of spatial surface. on the basis of geometry study of gcm, the paper makes a comprehensive analysis to the interference phenomenon that will possible exist in the assemble course of two different structure of gcm with the help of matlab software

    本文從運動幾何學、結構設計、動力學、製造和檢測等方面對國內外弧面凸輪機構的研究進展進行了全面綜述,詳細論述了高速凸輪機構的運動規律和弧面凸輪機構基本尺寸的確定,基於空間曲面共軛嚙合原理,通過齊次變換推導了外弧面凸輪的曲面方程和壓力角方程,並提出了對應的廓面修形演算法;提出了內弧面凸輪機構的構想,推導了內弧面凸輪的曲面方程和壓力角方程。
  6. In this paper, some investigation and design as following. have been carried out on er - yb codoped phosphate glass waveguide laser first, three primary performance parameters of er - yb waveguide laser pump threshold power ; output power and slope efficiency have been commulated and analysed theoretically based on er ~ ( 3 + ) - yb ~ ( 3 + ) energy configuration ; rate equation of stable state and transmitting equation. the influences of er - yb ions concentration ; enabled waveguide length ; light dot radius of signal light and pump light ; reflectivity of output lens on three above parameters have been researched

    首先,從er ~ ( 3 + ) - yb ~ ( 3 + )能級結構出發,結合激光穩態速率方程與傳輸方程,對鉺鐿波導激光器的三個主要性能參數:閾值功率、輸出功率、斜率效率作了理論計算分析,並研究了鉺、鐿離子濃度、光波導激活長度、信號光與泵浦光光斑半徑比例、輸出耦合鏡反射率對這三個關鍵性能參數的影響。
  7. In the paper the primary balance theories and basic concepts are firstly presented, then the differential equation of flexible rotor operating steadily is derived and the characteristics of the equation ' s solution are analysed

    本文首先介紹了穩態平衡的基本理論和基本概念,在這一基礎上推導了穩態下撓性轉子的運動方程,分析了運動方程解的一些特徵。
  8. The linear simulations indicate that the primary stage of both isothermal and nonisothermal processes can be described by avrami equation, however the linear relations deviate due to the secondary crystallization, particularly for that of nonisothermal crystallization

    結果顯示avrami方程可以較好地描述該等溫及非等溫過程中的主期結晶階段,而在次期結晶階段,由於二次結晶現象而導致線性關系偏離,特別是在非等溫結晶過程中。
  9. The primary contents are as follows : ( 1 ) based on the fundamental seepage physical equation, the basic differential equation of saturated - unsaturated seepage in porous mediums has been deduced, in which the pressure head is the fundamental unknown quantity. a calculated model for analysis of saturated - unsaturated seepage field with the boundary condition of rain infiltration also has been developed

    總體說來,本文主要從以下幾個方面開展了研究: ( 1 )由基本滲流物理方程出發,以壓力水頭為基本未知量推導多孔介質三維飽和?非飽和滲流微分方程,在此基礎上分析了邊坡在有降雨入滲條件下滲流的定解條件和計算模型。
  10. The other primary part is that based on the correct water hammer mathematic model ( 3 ), applying character line method, to translate the differential equation group ( 3 ) into character equation group, to count the character equation integral along with character line and at the same time to substitute the integral form for the difference form so as to make use of computer to carry through numerical value calculation of the water hammer pressure

    本論文的另一個主要內容是,在正確的水擊數學模型( 3 )的基礎上,應用特徵線法的原理,將微分方程組( 3 )轉化成特徵方程組,沿特徵線對特徵方程進行積分,並以其差分方程形式代替積分形式,以便利用計算機進行水擊過程的數值計算。論文對各種邊界條件也做了相應的推導。
  11. The static and dynamic characteristic models of stage are built by ansys, which analyses the displacement, stress, natural frequency and vibration model of stage. furthermore, the influence of primary structural parameters on static and dynamic characteristic is analyzed by orthogonal experimental scheme comprehensively and the numerical results from experiment are regressed by stepwise regression method, thus the optimization regression equation is obtained. meanwhile, the neural network model is built and validates the regression model

    應用ansys軟體建立了工作臺靜、動態特性的分析模型,並分析了工作臺的位移、應力以及振動的固有頻率和振型,而且還應用正交試驗表安排參數全面分析了結構參數對微位移工作臺的靜、動態特性的影響,並用逐步回歸分析方法對數值計算結果進行回歸,獲得了微動工作臺的最優回歸方程,同時建立了人工神經網路模型並對回歸模型進行了驗證。
  12. The three primary areas in this equation consisting of fixed and variable factors are : the marshalling, transport, and unmarshalling of the procedure data

    在這個由固定和不定因素組成的方程中有三個主要影響方面:打包、傳輸和解包過程中的數據。
分享友人