derivative of 中文意思是什麼

derivative of 解釋
階導數
  • derivative : adj. 導出的;派生的。n. 1. 派生物。2. 【語言學】派生詞。3. 【化學】衍生物。4. 【醫學】誘導法[劑]。5. 【數學】導數,紀數,微商。adv. -ly
  • of : OF =Old French 古法語。
  1. The derivative of the step is the impulse.

    階梯的導數就是脈沖。
  2. Ozone is formed in the reaction, and a nitro derivative of the olefin.

    在反應中形成臭氧及烯烴的硝基衍生物。
  3. Used perturbed method and making inexact generalized gradient projection with cone, perturbed generalized gradient projection method is proposed. the field of the algorithm is extended. numerical experiments show that the method is effective. secondly, using the trust region form and the pseudo - directional derivative of minimax problem, we propose the trust region form of minimax problem

    對信賴域法作了進一步的研究,藉助minimax問題的偽方向導數,構造出其信賴域二次模型,並結合非單調策略,給出求解minimax問題的簡單易行的信賴域演算法。
  4. Let / be a function from rn to r. following the definitions of the generalized gradients proposed by clarke and xu yihong, respectively, we define the d - regular weak lipschitz function and propose a new generalized gradient as follows where d _ f ( x ; d ) is the directional derivative of / in the direction d at the point x, namely some properties are proposed

    第二節引入基本定義和記號,在clarke和徐義紅提出的各自的廣義梯度的基礎上,定義了一類d正則弱l函數,且提出了一個新的廣義梯度。設f : r ~ n r ,其廣義梯度為其中為f在處沿方向d的方向導數,即並給出了若干性質定理。
  5. So it is impossible for enstatite to decompose to oxides between 50 to 140gpa. ( 5 ) the bulk modulus k0s and its first derivative of pressure k0s " were calculated from the experimental hugoniot data, by using eularian limit strain theory

    3 )根據本文頑火輝石hugoniot實驗數據(結合前人的實驗數據l用歐拉有限應變理論計算得到的頑火輝石零壓炸彈性模量及其對壓力的一階導數為: k叮一266gpa , k ; ,二4
  6. Fmn ( flavin mononucleotide ) a derivative of riboflavin that is a coenzyme in electron - transfer reactions

    黃素單核苷酸( fmn ) :核黃素的衍生物,在電子傳遞反應中是一種輔酶,作為多種脫氫酶的輔助因子起作用。
  7. Fad ( flavin adenine dinucleotide ) a derivative of riboflavin that is a coenzyme in electron - transfer reactions

    黃素腺嘌呤二核苷酸( fad ) :核黃素的衍生物,在電子傳遞反應中是一種輔酶,它作為各種脫氫酶的輔助基團起作用。
  8. After introducing the conventional edge detection operator and multiscale wavelet edge detection operator, we discussed the well quality of b - spline function > n - class derivative of gauss function n harmonic function and hermite function in wavelet theory and their concrete application in the image edge detection

    在對單尺度下的傳統邊緣檢測運算元和多尺度小波邊緣檢測運算元介紹的基礎上,討論了b樣條、 gauss函數的n階導數、諧波函數以及hermite函數在小波理論中所具有的良好性質,以及它們在圖像邊緣檢測中的具體應用。
  9. Presents a new method for fairing of curves which has a small flexibility based on fitting the derivative of second order of curves. we fit the derivative of second order of curves by a polynomial fitting, then find an indefinite integral of this polynomial to get a approach of curves. otherwise, we discuss the analyze of the error and the optimize of fairing to this arithmetic

    提出了一種針對小撓度曲線的逆向曲線光順演算法,該演算法直接擬合曲線型值點列的二階導數曲線,然後通過兩次積分來反求出光順后的曲線,並對該演算法的誤差分析、效果分析、光順優化等問題進行了深入探討。
  10. Sugar phosphate a phosphate derivative of a monosaccharide

    糖磷酸鹽:單糖被修飾加工成的磷酸鹽。
  11. Offset by weather and the derivative of the nikkei lndex

    以及東京證券交易所指數所派生出的
  12. Offset by weather and the derivative of the nikkei index

    以及東京證券交易所指數所派生出的
  13. . . offset by weather and the derivative of the nikkei lndex

    以及東京證券交易所指數所派生出的
  14. . . offset by weather and the derivative of the nikkei index

    以及東京證券交易所指數所派生出的
  15. A mark used as a superscript to indicate the first derivative of a variable

    撇號置於右上角的符號,用以標明變量的第一個導數
  16. Preparation and characterization of o - succinyl derivative of - carrageenan

    琥珀酰基化衍生物的制備與表徵
  17. A database search revealed that the putative sequence of the red gene shows 40 - 50 % identity with those of uroporphyrinogen iii methyltransferase ( encoded by coba gene ) from various kinds of bacteria. an over - expression of the coba gene in e. coli was reported to lead to an accumulation of trimethylated derivative of porphyrin termed trimethylpyrrocorphin and factor ii, which emit strong red fluorescence under uv

    在ddbj中搜索到多種細菌來源的coba基因(編碼uroporph仰nogenhmethyltransferase )與redsene有40 50的同源性,並據報道,其中一個來源於pmpboibaclerilllaslldelll切chit的coba的基因,轉人大腸桿菌、酵母菌及動物細胞后能使表達載體在紫外線下發射紅色熒光。
  18. 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) 。
  19. A novel grease additive derivative of thiadiazole was synthesized

    摘要合成了一種新型潤滑脂添加劑噻二唑衍生物。
  20. In chapter 2 there are four goals : the first is to investigate some geometric properties of h - caccioppoli sets, the second is to characterize the discontinuous set su and jump set ju of u bvh ( ), the third is to study pointwise behavior of u bvh ( ) and our effort is concentrated on showing approximate differentiability of u in the sense of pansu ' s, while the last and the most important is to show that dhu with u bvh ( ) as a radon measure can be split into three parts ( absolutely continuous part, jump part and cantor part, respectively ) just like the derivative of a bv function in the setting of euclidean space

    第二章有四個目標:一是討論h - caccioppoli集的若干幾何性質,二是刻畫h -有界變差函數的近似不連續點集和跳躍點集的特徵,三是研究u bv _ h ( )的逐點行為,我們集中討論u在pansu意義下的近似可微性,最後也是最重要的目標我們證明對u bv _ h ( ) , d _ hu作為radon測度能夠分解成絕對連續部分、跳躍部分和cantor部分之和。
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