exponential value 中文意思是什麼

exponential value 解釋
指數值
  • exponential : adj 指數的，冪的。 exponential curve 指數曲線。 exponential function 指數函數。 exponential sum ...
  • value : n 1 價值；重要性；益處。2 估價，評價。3 價格，所值；交換力。4 （郵票的）面值。5 等值；值得花的代...
  1. In this thesis, the traditional windage analytical method that comparing the actual cost with the planning cost can not control the implementary course of project, an effective project management and control technique which is very popular in nowadays is used for reference - - earned value method basing on performance analyzing, the main aim is to use the earned value exponential to analyze the fluctuant complexion of the time limit and cost for a project, and all the influences made by the fluctuant complexion, and the developing trend of the time limit and cost for a project

    本文提出了傳統的用實際發生成本與計劃成本進行比較，來衡量項目進展情況的偏差分析法不能全面地監控項目實施過程，借鑒了在目前項目管理實踐當中被普遍採用的一種有效的項目管理和控制技術：基於績效分析的掙值法，其根本目的是要使用該掙值指數分析項目工期和項目成本各自出現的變動情況、這些變動所造成的相互影響、項目工期與項目成本的未來發展趨勢。
  2. The second section : under the conditions of nonlinear boundary controbility, we consider the initial boundary value problem of camassa - holm equations with dissipative. by using the contractive mapping fixed point theorem and a priori estimates, the existence of global smooth s olution, global attractor in h ~ ( 2 ), t ime p eriodic s olution or almost - periodic solution and the global exponential stability are proved

    第二部分：在非線性控制邊界條件之下，對于帶耗散項的camassa ? holm方程的初邊值問題，用壓縮映射不動點原理及先驗估計方法，證明了整體光滑解的存在性、整體解的指數穩定性、 h ~ 2空間中整體吸引子的存在性以及時間周期解和殆時間周期解的存在性。
  3. On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula

    應用透光率脈動檢測技術和光散射顆粒粒度分析儀（ pda ） ，通過理論分析，將pda的輸出信號之一? ?平均透光強度（對應于dc值）作為原水的特性表徵參數， dc值可以同時反映顆粒濃度和比表面積因素的影響，試驗結果證明， dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪函數關系： dc = cs _ p ~ d ，式中c 、 d為經驗系數，進而得到了以dc值為參數的高分子絮凝劑投藥量公式： d = f （ dc ） = e （ dc ） ~ f ，式中： e 、 f為經驗系數，平均相關系數達0 . 981 ，利用所建立的公式，建立了前饋? ?后饋聯合控制的在線自動投藥模型。
  4. The change of the micro - hardness along the radial direction approximately coincides with the exponential decay, that is at the edge of the crater the hardness is the highest and decreases with the increase of the distance from the crater and to the normal value at last

    彈孔側壁硬度的徑向分佈近似符合負指數規律，即在緊鄰側壁處，材料因劇烈變形而強化，隨到側壁距離的增加，硬度值降低，直至降到基體材料硬度水平。
  5. At last, in order to explain the application of earned value method in actual project, this thesis brings forward an example of software exploitation, in this example, project s curve, cost and schedule windage table, performance exponential and so on are used to analyze the headway complexion of project, and some control methods are put forward

    最後，為了說明掙值法在實際項目中的應用，本文列舉了一個軟體開發實例，實例運用項目s曲線、成本與進度偏差表、績效指數等工具對項目進展情況進行了具體分析，並提出具體的控制措施。
  6. The consolidating wave speed of ten concrete specimens within four kinds of composition was inspected in 28 days, and we got the analogical law that the value of consolidating wave speed changes with the increasing concrete strength : the consolidating wave speed decreases when the concrete strength increases, and they varies according with exponential function. so, the feasibility of the consolidating wave speed method was validated, and this method has the advantages that it can be used to testing fresh concrete strength real - timely

    在實驗室監測四種配比共十組混凝土（砂漿）試件28天齡期內的固結波速，初步得出了固結波速隨混凝土強度增長而變化的規律：固結波速隨混凝土強度增長而降低，二者呈冪函數規律變化，而且各組試件的固結波速隨混凝土（砂漿）強度的增長有非常相似的變化規律，由此可知固結波速法檢測混凝土強度是可行性的，其優點是可以實時監測混凝土強度的增長。
  7. Results show that the levitation force is generated between the high temperature superconductor and the magnetic field under the critical temperature. the value of the levitation force is determined by the temperature and the gradient of magnetic field. that is the smaller of the gap, the larger of the levitation force when the temperature is fixed, and the value of the levitation force is an exponential function of the gap

    研究表明，當高溫超導體的溫度低於其臨界溫度時，在磁場中開始受到力的作用；受到的懸浮力大小由溫度和磁場梯度共同決定；即溫度一定時，懸浮間距越小，對應的磁場梯度越大，懸浮力就越大，力的大小與懸浮間距成指數關系；而當懸浮間距一定時，溫度越低，對應的懸浮力也越大，且超導體剛進入超導態的一段溫度區間懸浮力增大最快。
  8. Assume that material constants exponential functions or power functions of spatial variable, the related bending fracture models are set, i. e. a series of boundary value problems of partial differential equations are established

    再將材料常數依次設為空間變量的指數函數和冪函數，建立了相應的彎曲斷裂模型，即一系列相關的偏微分方程的邊值問題。
  9. Primarily there are two aspects : 1 ) the calculation model of the value of land classifying units - - model of time distance attenuation. in the calculation model of the value of land classifying units, author brings forward the model of time distance attenuation. in this model adopting the network analysis, and by establishing the road network, and proceeding path analysis, computing the time distance, then proceed the exponential attenuation or straight line attenuation on time distance, get the value of influence factor of the land classification unit

    主要有兩個方面： 1 、定級單元分值計算模型? ?時間距離衰減模型在定級單元分值的求取模塊中，提出了時間距離衰減模型，模型中採用網路分析的方法，通過建立道路網路，進行路徑分析，求取時間距離，進而按時間距離進行指數衰減或直線衰減，得到定級單元因素因子影響分值。
  10. According to the wind speed distribution function with exponential rule, the difference value is accurately calculated between the actual wind power produced through the rotor swept area and the wind power produced by taking wind speed at the rotor centre as the design wind speed, and the power increment is obtained

    摘要根據指數律的風速分佈函數，對風輪掃掠面積上的實際風功率與以風輪中心風速為設計風速產生的風功率的差值做精確計算，得到了風功率的增量。
  11. The optimized parameters of high - frequency in bacillus thuringiensis plasmid - free mutant bmb171 by electroporation was studied. it showed that a highest electro - transformation frequency could be obtained, when sg solution was used as the buffer, and a 10. 0 kv / cm of field strength, one time of pulse as well as a growth phase of recipient cells at the exponential phase ( od650nm value was 0. 2 - 0. 3 ) were selected

    對用電脈沖法轉化蘇雲金芽胞桿菌受體菌bmb171優化條件的研究結果表明，採用sg溶液作電脈沖緩沖液，用10 . 0kv cm的脈沖場強和1次電脈沖（ 4 . 6ms ） ，以及採用對數前期（ od _ （ 650 ）約0 . 2 0 . 3 ）收獲的受體菌，可以達到最高轉化頻率。
  12. The paper also discusses that the range of random number in binary exponential back - off algorithm influences maximum delay of ethernet, and proper value of maximum random number can make ethernet with light load have better real - time property and satisfy process control

    本論文還論述了退避演算法中的隨機數r的取值范圍會影響以太網的最大延時；合理的選取r _ （ ? ）的值，能夠使輕負荷以太網具有更好的實時性，完全能夠滿足現場控制的實時性要求。
  13. Various previous methods are summarized and classified into two categories : semi - math methods and pure - math methods. based on discussion of the common and difference among these methods, multiple - exponential model is presented. using the new method to predict settlement of some sections in su - jia - hang expressway, the result indicates that the new method can accurately predict settlement and has practical value

    總結以往荷載穩定后的沉降預測方法，並將其劃分為半數學方法與純數學方法，尋找各種預測方法相互之間的聯系與差別，提出復合指數曲線預測方法，並運用新方法對蘇嘉杭高速公路重點段落的部分斷面進行沉降預測，驗證了新方法的預測功能和實用價值。
  14. This article unifies all the information of characteristics of attention to an integrated exponential endowed with value of assessment ; adopts idb experimental procedure to pursue the process of college students ' choice of pe ; probes into the influnce of characteristics of attention on college students ' option of pe

    本文將體育選修課程的不同關注特性信息整合成一個綜合指數並賦予評價值和權重，採用idb實驗程序追蹤大學生體育課程選修的抉擇過程，探索關注特性對大學生體育課程選修的影響。
  15. S - eeing that the analysis process is loaded down with trivial details an $ is difficulty extended in multivariate case. however, taking advantage of relation between multivariate failure rate and distribution density function built by the author and endowing conditional failure rates with reasonable value joint with the fatal shock meaning, we easily obtain three - dimensional and even n - dimensional exponential distribution

    鑒于該方法分析過程繁瑣，難于得到高維情形。本文另闢蹊徑，利用建立的條件失效率與多維壽命分佈之間關系，並結合致命沖擊含義賦予條件失效率合理的值，得到三維乃至一般的n維指數分佈。
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