1) derivative XAES
XAES导数
2) derivative
[英][dɪ'rɪvətɪv] [美][də'rɪvətɪv]
导数
1.
Determination of trace selenium by flow injection-hydride generation-derivative atomic absorption spectrometry;
流动注射—氢化物发生—导数原子吸收光谱法测定水中痕量硒(英文)
2.
Direct determination of Ho~(3+) by derivative spectra in presence of Ce~(4+);
铈存在下导数光谱直接测定钬
3.
Fractional Derivative Combined Fourier Least Square Fitting to Process Noised Overlapped Signal;
分数导数结合傅里叶最小二乘拟合处理含噪音的重迭信号
3) derivation
[英][,derɪ'veɪʃn] [美]['dɛrə'veʃən]
导数
1.
Study and Application on a few Properties of Derivation;
导数几个性质的探究与应用
2.
The approach utilizes 2-level derivation of secondary current and a 3-sample fitting calculation for decaying DC component depress as well as the sample data identifying.
该方法采用微分电路和三采样值运算法,以电流的二阶导数深度抑制非周期分量并提高对采样值的甄别。
3.
In order to solve the derivation of power exponent function,this paper has studied the derivation regulations on power function from the perspective of the differentiation of multi-variable function and in accordance with the derivation laws on multi-variable complex function.
为解决幂指函数的求导问题,从多元函数微分法的角度出发,根据多元复合函数的求导法则,探索幂指函数求导的规律,并揭示了幂指函数与幂函数及指数函数导数间的关系,给出了幂指函数求导的另一种方法。
4) differential coefficient
导数
1.
Application of differential coefficient in inequation verification;
导数知识在不等式证明中的应用
2.
It also elaborates what should be pay attention to while making use of this method to obtain differential coefficient.
本章给出了由分段函数直接求导数再取极限求函数在分段点处导数的方法,并就利用该方法求导数时需要注意的问题进行了说明。
3.
NormaIly we use the definition of differential coefficient to seek the differential coefficient of the independent variable point in differential coefficient of subsection funtion,which is very complicated in some cases.
对于分段函数自变量分界点处的导数,一般使用导数定义去求,有时很繁琐。
5) derivatives
[英][dɪ'rɪvətɪvz] [美][də'rɛvətɪvz]
导数
1.
Equivalence characterization for derivatives of Bernstein-Durrmeyer operators;
Bernstein-Durrmeyer算子导数的等价刻划
2.
Self-tuning observing derivatives of various orders of an uncertain system output;
不确定性系统输出各阶导数的自校正观测
3.
Consistency of kernel estimation of the derivatives of regression functionin variable bandwidth;
变窗宽下回归函数导数核估计的相合性
6) Derivate
[英]['deriveit] [美]['dɛrə,vet]
导数
1.
Give examples to show that the derivate of elementary function may be unelementary function.
给出实例说明初等函数的导数可以是非初等函数。
补充资料：delaVallée-Poussin导数
delaVallée-Poussin导数
de la VaDce - Poussin derivative
山hV团倪一P加石幽1.导数【de hVa肠纯一R版动l心由.dve;Ba服ny伙ella甲山即口.1，广义对称导数(罗nerali-欲互s脚四netric deriVa石ve) 由Ch.J.de h vall能一Poussin(【11)定义的一种导数.设r为偶数，并设存在占>O使对满足}t}<占的一切t，有 合{f(x。+‘，+f(x。一艺，，- 一刀。+冬:，口2+…+弄。r且+:(:):r，(*) 2一r名r!一rr‘、一，一，其中声:，…，戊为常数，下(t)~o(当t~O)且下(o)=0.数尽”f(r)(x0)称为函数f在点x。的:阶dehvallee-Poussin导数或;阶对称导数. 奇阶r的dehV么11阮一Po璐in导数可类似定义，只要把方程(*)代之为 冬仃(、+‘)一了(、一:)}- 2 一。。1十冬‘，。、十…十共:r坟十:(:):: 3!一厂Jr!一r”‘、一z一’ deh从山阮一Poussin导数左，帆)与R~nn二阶导数相同，后者常称为 Sch认么反导数.若关r)闻存在，则几一2)闻(r)2)也存在，但f(r一l)(x0)未必存在.若存在有限的通常双边导数f(r)帆)，则人r)帆)二f‘r)(x0).例如，对函数f(x)二sgnx，f(川(0)=0，k=1，2，‘二，但左*+1)(。)(k=0，1，…不存在.若de h vall由一Po.in导数人。)(x0)存在，则由f的Fo~级数逐项微分r次所得级数S‘r)(f)在x。对于“>r是(C，的可和的，其和为寿)帆)([2〕)(见C威的求和法(。滋ms~·tion methods)).
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