vector function 中文意思是什麼
vector function
解釋
矢函數-
The contents of this studies include : 1 ) according to the researches on the correlation between the function and structure of the cmiv from bombyx - moxi before by others, especially by lixinlal in naigin normal university of china, we have designed and sythesized the mutation i of the gene of cmiv that was different from the natural cmiv about 50 % in amino sequence, using the favorable condon of the ecoli. after cheked the result of synthesis by sequence, we have cloned the gene into 3 " of the gene of thioredoxin in the thio - fusion expression vector ( ptxfus ), and the fusion protein of thio - cmiv was highly expressed in soluble form
本研究的內容包括：一、在前人對抗菌肽cmiv研究的基礎上，對n端和c端進行氨基酸保守變換，設計和合成了該基因，充分使用大腸桿菌偏愛的密碼子，並將該基因5端與硫氧還蛋白基因3端融合，通過ptxfus表達載體獲得較高可溶性表達（在15 sds - page膠上可見明顯的表達蛋白帶） 。 -
Covariant vector function
共變向量函數 -
The divergence of a vector function is the scalar function.
矢量函數的散度是一個標量函數。 -
Irrotational and solenoidal split problem on a dyadic green ' s function of the field vector
一類場矢量的並矢格林函數無旋和無散分解問題 -
Continuous wavelet transform on the vector function space
向量函數空間上的連續小波變換 -
Methods in evaluating integrals, some complex variable methods, infinite series, special function, ordinary differential equations, vector and materials, groups and group representations
計算積分的方法、復數方法、無線級數、奇殊函數、微分方程、向量及矩陣、群論。 -
Firstly, in spherical coordinate system, the sovp formulation for the time - harmonic electromagnetic fields of the current dipole in conductive infinite - space is derived, using reciprocity theorem and transforming relations between special functions. then, selecting appropriate coordinate system, using superposition principle, the boundary - value problem of modified magnetic vector potential on the problem of a time - harmonic current dipole in spherical conductor is solved and analytical solution is obtained. finally, by means of the addition formulas of legendre polynomial and spherical harmonics function of degree n and order 1, the analytical solution in spherical coordinate system specially located is transformed into that in spherical coordinate system arbitrarily located
首先利用特殊函數間的轉化關系和互易定理推導得到了無限大導體空間中球坐標下時諧電流元電磁場的二階矢量位形式：然後利用疊加原理，選擇合適坐標系，求解了導體球中時諧電流元的修正磁矢量位邊值問題，得到了問題的解析解；最後依據不同坐標系下電磁場解的轉化原理，藉助勒讓德多項式和n次1階球諧函數的加法公式，將坐標系特殊安放時的電磁場解析解變換到坐標系一般安放時的解析解，給出了球內電場和球外磁場的並矢格林函數。 -
The addition formula of spherical harmonics function of degree n and order 1 is derived using the relations between coordinate varieties after coordinate rotating and the property of the associated legendre polynomial. the relations among the magnetic vector potential, the modified magnetic vector potential and the second - order vector potential ( sovp ) are shown going forward one by one. it is explained that the solutions of electromagnetic fields in different coordinate systems can be transformed and an example having analytical solution is given
利用坐標旋轉后球坐標變量間的關系和連帶勒讓德多項式的性質推導得到了n次1階球諧函數的加法公式；以遞進的方式說明磁矢量位、修正磁矢量位與二階矢量位的關系，寫出了引入二階矢量位的過程；以時諧場矢量邊值問題為例，闡明了不同坐標系下電磁場解的相互轉化原理，給出了一個解析解的轉化例子；在球坐標下，引入了較球矢量波函數更普遍的兩類矢量函數，給出了其在球面上的正交關系。 -
Based on the structure and function analysis of hirudin, a potent thrombin inhibitor, and some platelet aggregation inhibitors, which contain the recognition sequence argglyasp as their functional motif, two chimeric antithrombotic molecules were designed by introducing rgd sequence to hirudin cterminus. these chimera genes were constructed by pcr and inserted into the expression vector pet21a, the constructs were confirmed by restriction enzyme digestion and dna sequence analysis. these recombinant plasmids were transformed into
經限制酶消化和dna序列分析，證明兩種重組質粒與設計完全一致。由於rgd -水蛭素嵌合基因上游連接了金黃色葡萄球菌蛋白a spa的信號肽序列，在iptg誘導下兩種嵌合分子都獲得了分泌表達，表達產物主要集中在細胞周質空間。 -
Postoperative anorectal function and biofeedback training using vector volume manometry in childern with imperforate anus
三維向量測壓在無肛術後患兒排便功能隨訪與康復治療中的應用 -
In the process of solving, poles are obtained from recurrent formula, modal vector are obtained from superposition formula not residuary. decoupled equation is derived when vibration source is part correlation, severely coupling appears in the process of input and output then frequency response function cannot directly get according to method mentioned above, decoupling is first problem
當輸入完全相關時，頻響函數無解，可繞過頻響函數，直接運用線性系統的迭加原理來求響應，極點由遞歸公式得出，模態矢量由疊加公式求出，而不是由留數求得的相應的公式。 -
It is hard to draw in two dimensions a picture of a vector function in three-dimensional space.
在兩維圖上畫三維空間的矢函數圖形是件難事。 -
Curl of vector function
向量函數的旋量 -
To machine the honeycomb sandwich, an interpolation method based on a rotary axis is also studied. with the round vector function and rotary movement group, a model of the error curved surface of the theoretical ellipsoid is set up to describe the actually measured surface
以圓矢量函數和回轉運動群為工具討論了曲面的誤差變換，利用理論橢球面的誤差曲面建立了實測曲面的數學模型，通過求解理論曲面的法線實現了實測曲面的等距計算和陰陽面數據轉換。 -
In order to solve the problem of direct torque control ( dtc ) for permanent magnet synchronous motor ( pmsm ) related to the flux and the torque ripple and the uncertainty of switching frequency, a method which shorten the voltage - vector - function - time by svm ( space vector modulation ) is developed, and in order to improve the system performance, the stator flux linkage sectors and vectors are subdivided
摘要為了解決永磁同步電機傳統直接轉矩控制低速時磁鏈和轉矩脈動大的問題，提出了1種用空間矢量調制（ svm ）實現減小電壓矢量在1個控制周期中的作用時間的直接轉矩控制方法;為進一步提高系統性能，對磁鏈扇區和電壓矢量進行了細分。 -
The characteristic approximation is used to handle the convection part along the direc - tion of fluid namely characteristic direction to ensure the high stability of the method in approximating the sharp fronts and reduce the numerical diffusion ; the mixed finite element spatial approximation is employed to deal with diffusion part and approximate the scalar unknown and the adjoint vector function optimally and simultaneously ; in order to preserve the integral conservation of the method, we introduce the modified characteristic method
該方法對方程的對流部分沿流體流動的方向即特徵方向離散以保證格式在流動的鋒線前沿逼近的高穩定性，消除數值彌散現象；對方程的擴散部分採用最低次混合有限元方法離散、同時以高精度逼近未知函數及未知函數的梯度；為保證方法的整體守恆性，在格式中引入修正項 -
The new method is a combination of characteristic approximation to handle the convection part, to ensure the high stability of the method in approximating the sharp fronts and reduce the numerical diffusion, a smaller time truncation is gained at the same time, and a mixed finite element spatial approximation to deal with the diffusion part, the sealer unknown and the adjoint vector function are approximated optimally and simultaneously
此方法即為對方程的對流項沿流體流動的方向即特徵方向進行離散，從而保證格式在流動鋒線前沿逼近的高穩定性，消除了數值彌散現象，並得到了較小的時間截斷誤差；另一方面，對方程的擴散項採用混合元離散，可同時高精度逼近未知函數及其伴隨向量函數，理論分析表明，此方法是穩定的，具有最優的l ~ 2逼近精度。 -
Motivated by the above results, the third part of this paper considers the equivalence problems that every stationary point or kuhn - tucker point is an efficient solution. we define i - quasi - invex vector function., i - strictly quasi - invex vector function and kt - i - strictly quasi invex vector function, and derive the above equivalent condition for unconstrained or constrained multiobjective programming
於是，在本文的第三部分，我們定義了類不變擬凸、類嚴格不變擬凸、 kt -類嚴格不變擬凸的向量值函數，並且在無約束或約束多目標規劃中，獲得了每個駐點（或k - t點）是有效解的等價條件。 -
A multiwavelet is a wavelet generated by a scaling vector function that consists of several functions. multiwavelet is associated with multiresolution analysis ( mra )
多小波（ multiwavelet ）是指由兩個或兩個以上函數作為尺度函數生成的小波。 -
Using the regularized greens functions and a duality argument, it is proved that the mixed finite element method proposed in this paper possesses the superconvergence by almost one order maximum norm estimates for the l2 projection of the function and quasi - optimal maximum norm estimates for the associated vector function for a strongly nonlinear second order elliptic problem
本文利用正規格林函數及對偶論證技術證明了一類強非線性二階橢圓問題混合元方法對函數的l2投影具有幾乎超收斂一階的最大模誤差估計，對伴隨向量函數具有擬最優最大模誤差估計
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