first derivative

英 [fɜːst dɪˈrɪvətɪv]

美 [fɜːrst dɪˈrɪvətɪv]

一阶导数

英英释义

noun

• the result of mathematical differentiation
  Synonym:derived functionderivativedifferential coefficientdifferential

双语例句

• The solution and positive solution are considered for a class of second-order quasilinear equations with first derivative, where the nonlinear term is allowed to be singular.
  考察了一类含有一阶导数的二阶拟线性方程的解和正解，其中允许非线性项是奇异的。
• Identification of spillage oil at sea with first derivative fluorescence spectra was discussed.
  一阶导数荧光光谱鉴别海面溢油，其光谱特征用模糊数学方法作了分析；计算了各种油之间的模糊相似程度；
• Study on the determination of tung oil adulterated in vegetable oils by first derivative spectrophotometry
  一阶导数光谱法测定食用植物油中桐油掺混的研究
• The first derivative high-speed pulse polarography was used forthe quantitative analysis of procaine hydrochloride and its injection.
  研究了一阶导数高速脉冲极谱法，并运用于盐酸普鲁卡因及其注射制剂的定量分析。
• She was breathing weakly. Convergence of Chebyshev method under mild differentiability conditions of the first derivative
  嘴里的呼吸只有微弱地吐出。弱一阶可微条件下Chebyshev迭代法的收敛性
• And I can take now the first derivative of this.
  现在得到第一个推导式。
• The first derivative of their regard for us is positive. Okay?
  他们对我们态度的转变首先是积极的，，对吧？
• I have here first the first derivative, x dot.
  首先，有一次导数，x点。
• So the slope of the guess is the first derivative.
  因此斜率等于此处的一阶导数。
• Method: To apply first derivative spectral.
  方法：采用一阶导数光谱法测定本制剂中丹皮酚的含量。