first order的例句大全

Starting from the differential equation of the first order, the definition of the first order circuit and its time constant are discussed.

从一阶微分方程入手，对若干典型的由多个电容和电感构成的电路进行分析，总结出一阶电路的界定方法及其时间常量的求法原则。

The method of time ratio was introduced to thermokinetics research, so the thermokinetic method on consecutive first order reaction was suggested. This method was then used to study the alkaline hydrolysis of diethyl phthalate in 50% aq. CH_3CN.

本文把时间比法引入热动力学研究，建立了连续一级反应的热动力学研究法，并用来研究了一个连续反应体系的热动力学，验证了该方法的正确性。

Studies on Thermokinetics(ⅹⅹⅲ)& Selected Peak-Height Method for the First Order Reaction

热动力学的研究（ⅩⅩⅢ）&一级反应的精选峰高法《烈焰狂峰》二区豪华特别版

The time constant of the solar collector was discussed based on the first order system.

该文在一阶系统基础上讨论了时间常数，提出了在集热器时间常数测量基础上，判定集热器与一阶系统的符合程度的方法。

Main steam temperature system is a typical open loop stable system with large time delay, its model can be described by an equivalent First Order plus Pure Dead Time ( FOPDT) type.

火电厂主汽温系统是典型的大滞后开环稳定系统，其过程模型可以等效为常用的一阶加纯滞后形式（FOPDT）。

Some first order time derivative terms are contained in the equations.

方程中含有强迫场的一阶时间导数项。

Numerical results indicate that time histories as well as parameters at wave fronts are in the first order of front curvature κ.

计算给出的散心爆轰波走时及波阵面上物理量都达到了波阵面曲率的一阶精度。

Both a free volume approach for Helmholtz free energy and a theoretically-based fitted formula for radial distribution function ( rdf) of hard sphere solid were employed to describe the Helmholtz free energy of Lennard-Jones ( LJ) solid in the framework of first order thermodynamic perturbation theory.

结合描述硬球固体Helmholtz自由能的自由体积方法与描述硬球固体径向分布函数的拟合的分析表达式与一阶热力学摄动理论，用于描述Lennard Jones（LJ）固体的Helmholtz自由能。

Three dimensional beam propagation method based on the series expansion method ( 3D SEM BPM) transform the BPM into the first order normal differential equations. The method has the merits of simple calculation and high calculation efficiency.

三维级数展开的光束传播法（3D SEM BPM）将BPM方程转化为一阶常微分方程组，具有计算方法简单和计算效率高的优点。

The pharmacokinetics of B-asarone can be described as first order process of three-compartment model in normal rabbits.

细辛醚在正常家兔体内的药代动力学过程属一级动力学过程的三室开放模型。

Post-infusion serum drug concentration versus time curve was fitted to two-compartment open model with first order elimination.

静脉注射后的血药浓度-时间曲线符合开放型二室模型；

The general controlled object including inside loop is modeled by first order lag plus time delay model.

外回路采用内模控制，以有效地补偿对象的大滞后特性。

Terminal value problems of first order DEFFERENTIAL EQUATIONS IN BANACH SPACE

Banach空间中&阶微分方程的终值问题

Existence of the solutions of terminal value problems for first order differential equation on infinite interval in Banach spaces

无穷区间上Banach空间常微分方程终值问题解的存在性

Near the transition temperature, a thermal hysteresis was found in dielectric, pyroelectric and piezoelectric measurements. Thus the transition should be of the first order transition.

在相变温度区域里，介电、热电和压电都有明显的热滞效应，具有一级相变特性。

In the output signals of quartz weighing sensor, the temperature drift noise is first order or over first order continuous, however, the weighing exciting signal is discrete.

石英称重传感器的输出信号中的温度漂移噪声是一阶或一阶以上连续的，而称重激励信号的变化是离散的。

The reaction of thermolysis of dibenzyl and phenyl benzyl ether are first Order and can he explained by free radical mechanism. Experimental rate constants are well consistent with the results of thermochemical kinetics CalCulation.

二苯乙烷和苯基苄基醚的热解有一级反应特征，其反应机理为自由基过程，反应速度方程和速度常数的理论计算与实验结果完全一致；

Since the widely used Hidden Markov Model ( HMM) in speech recognition is first order Markov Model, it can not fully model the temporal dependence of speech signal.

由于在语音识别中被广泛应用的隐马尔可夫模型（HMM）是一重马尔可夫模型，它不能充分地描述语音信号的时间相依性。

The results show that the time series change of monthly runoff can be represented by the simple, seasonal, first order autoregressive model and Skewing change of random term. The space change of monthly runoff can by expressed by main station model.

结果表明简单的季节性一阶自回归模型加上随机项的偏态变换可用来表征月径流的时序变化，主站模型可用来表征月径流的空间变化。

Reduced Extent Method for Thermokinetics ⅴ. Thermokinetic Research Method for Consecutive First Order Reactions

热动力学对比进度法&Ⅴ.连续一级反应的热动力学研究法