基本释义:

一阶时间导数

网络释义

1)first time derivative,一阶时间导数

2)first order spatial derivative,一阶空间导数

3)second time derivative,二阶时间导数

4)First derivative,一阶导数

5)First-derivative,一阶导数

6)first order derivative spectrophotometry,一阶导数

用法和例句

Methods:First derivative spectrometry was established.

方法:采用一阶导数分光光度法,测定波长为275nm和317nm。

Determination of the content of allantoin in allantoin-vitamin E cream by zero-crossing first-derivative spectrophotometry;

零交一阶导数分光光度法测定尿囊素维E乳膏中尿囊素含量

METHODS A first order derivative spectrophotometry method was used.

方法　用一阶导数分光光度法测定盐酸环丙沙星软膏的含量 ,同时用强化试验、加速试验、长期试验等方法对其稳定性进行研究。

Positive Solutions of Second Boundary Value Problems with Dependence on the First Order Derivative

含有一阶导数的二阶边值问题的正解

DERIVATIVE UV SPECTROPHOTOMETRIC DETERMINATION OF NORFLOXACIN EAR DROPS

诺氟沙星滴耳液的一阶导数分光光度测定

Study on simultaneous determination of copper and zinc by first derivative spectrophotometry;

一阶导数吸光光度法同时测定铜和锌的研究

Application of PSO in Variational Problem with First-order Differential Coefficient

PSO算法在含一阶导数变分问题中的应用

The Existence of Monotone Solutions to a Type of Two-Point Boundary Value Problem with One-order Derivative Term

一类含一阶导数项两点边值问题单调正解的存在性

Determination of acetyl spiramycin tablets by first order derivative spec-trophotometry

一阶导数紫外分光光度法测定乙酰螺旋霉素片剂含量

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

Determination of Nitrite Nitrogen in Environmental Water by Dual-wavelengths and First-derivative Ultraviolet Spectrophotometry;

λλ双波长一阶导数紫外光度法测定环境水体中的亚硝酸盐氮

Simultaneous Determination of Benzo(a) Pyrene and Benzo(k) Fluoranthene by First Order Derivative Synchronous Fluorescence --Zero Crossing Method;

零交点一阶导数同步荧光法测定苯并(a)芘和苯并(k)荧蒽

Quantitative Study on Betamethasone and Its Preparation by First-derivative Differential Pulse Polarography

倍他米松及其制剂的一阶导数差示脉冲极谱法定量研究

Positive Solutions for(n-1,1) m-Point Boundary Value Problems With Dependence on the First Order Derivative

依赖于一阶导数的(n-1,1)共轭m点边值问题正解的存在性

CALCULATION OF THE FIRST AND SECOND ORDER PARTIAL DERIVATIVES OF EIGENPAIRS OF QUADRATIC EIGENVALUE PROBLEMS

二次特征值问题特征对的一阶与二阶偏导数

Study on the Unity of Advanced Derivation of Complex-special Function and Original Function;

特型函数的高阶导数与原函数的统一性研究

The Universality of the Undetermined Coefficient Method Handling a Step Partial Derivative;

待定系数方法处理一阶偏导数的普适性

Several Inferential Mothods of First Order Linear Recursive Progression;

一阶线性递推数列通项公式的几种推导方法

Second-order Derivative Regularization Method for the Function Reconstruction from Noisy Average Fluxes in One Dimension

一维带噪声均值数据函数重构的二阶导数正则化方法

In a particular strategic stage, he should take into consideration the succeeding stages, or, at the very least, the following one.

战略指导者当其处在一个战略阶段时，应该计算到往后多数阶段，至少也应计算到下一个阶段。

The derivative of the step is the impulse.

阶梯的导数就是脉冲。