查询词典 reduction formula

Thus, in industry it is easy to determine the BA level in vaporized solvent through saponif ication and calculate the BA level in resins with the regression equation. Finally to obtain the residual monomer level simply through reduction formula.

这样，在工业生产中就可通过皂化法方便地测得蒸出少量溶剂中的丙烯酸丁酯的含量，再利用回归方程算得树脂中的丙烯酸丁酯含量，最后简单换算出丙烯酸-氨基漆中残余单体的含量。

This text proceed with the theory of the vibration, utilize typical elastic hinge law analyze structure dynamics characteristic when the blade is quivered to instability, and then use relevant knowledge of blade vibration to simplify the model and the aerodynamic force of the vibration. Through the simplification, we can get the equation of the blade, which is dispersed to its instability. Then VISUAL BASIC procedure is utilized to work out thecharacteristic value of vibration and the vibration frequency. At last comparing the result which is calculated by the above-mentioned theory formulae with the result which is calculated by internationally agreed procedure ANSYS to verify the accuracy of the formula of reduction.

本文从振动理论入手，利用最为典型的弹性铰链法分析叶片发生颤振失稳时的结构动力学特性，然后对振动模型及振动时所受的气动力进行简化，利用简化方程得到叶片发生发散失稳时的振动方程，利用编制的VISUAL BASIC程序解出振动的特征值并得到振动频率，最后分别通过上述的理论公式和国际通用的有限元程序ANSYS对风力机叶片模型进行发散失稳时的频率计算，验证简化公式的准确性。

In recent years, Feng Kang has advanced a more natural and direct redu-ction, i. e. the reduction via Green's formula and Green's function.

近年来冯康又提出一种更自然而直接的归化，即从Green公式及Green函数出发将微分方程边值问题化为边界上的含有广义函数意义下发散积分有限部分的奇异积分方程，这种归化在各种边界归化中占有特殊地位，被称为正则边界归化，本文将这一理论应用于重调和椭圆边值问题，研究了其正则归化的性质，并通过利用Green函数、Fourier分析及复变函数论方法等不同途径求出了在上半平面、单位圆内部、单位圆外部三种区域的Poisson积分公式及正则积分方程，其离散化可用于实际计算。

Weight reduction formula is built by private including dan shen, huang qi and shan zha, et al. It has so good function that can reinforce Qi and clear phlegm, reduce fat and weight to treat Simple obesity.

自拟减肥处方是以丹参、黄芪、山楂等几味中药组成处方，该处方具有益气化痰消瘀，降酯减肥的作用，使用于治疗单纯性肥胖。

The paper describes theory of beam noise reduction in adiabatically varying magnetic field, deduces the relation between magnetic field and noise , gives out fourth order Runge-Kutta formula of 2-order differential equation, simulates the effects of different magnetic field on electron motion, the results show good agreement with theory analysis,it confirms that adiabatically varying magnetic field near the cathode can reduce the beam noise.

文章描述了回旋波保护放大器电子束绝热降噪的机理，推导了噪声与磁场的关系和二阶微分方程的四阶精度龙格－库塔法求解电子运动方程的公式，编程计算了电子在不同磁场中的运动轨迹，模拟了不同磁场对电子运动的影响，模拟结果与理论分析相符合，证实了阴极表面附近的缓降磁场可以降低电子束的噪声。

In this paper beginning with the concept of clectrode potential,according to the mass aition law,Arrhenius formula and chemical equilibrium,we get the Nernst equation and reserch oxidation-reduction and electrochemistry course.

本文从电极电势的产生出发，根据质量作用定律，Arrhenius公式及化学平衡的有关知识推导出电极电势的Nernst方程，并对氧化－还原、电化学等部分进行探讨。

The liquefiable site was simplified as a double-degree-freedom model and the formula for calculating the reduction of horizontal natural frequency induced by liquefaction was attained.

将可液化场地简化为双质点模型，给出了液化导致场地水平自振频率下降的计算公式，推导出了频率下降率的下限值。

Based on practice and analysis, it is put forward that the effective decrease of residual P2O5 in phosphorus furnace slag depends on the control of acidity coefficient from the slagging and reduction of P2O5. Also a relative formula for the calculation of acidity coefficient is presented.

结合生产及理论分析，指出在控制磷炉渣酸度系数中，必须兼顾满足造渣和还原反应两方面的要求，才能有效降低磷炉渣中残留的P2O5量，并且推导出相应的计算式，以消除酸度系数控制的局限。

The paper presents an approach of reduction and iteration for GP which transforms primary functions of original GP into approximate monomials based on Duffin formula, and du...

例1 显示了几何规划的工程实用性和简易性；例2 通过轻型飞机总体方案参数优化，说明所提出的优化方法，可随设计人员思路的变动而得到及时地相适应。

Ch aracteristics of reduction condition in the mixed fluidized bed with iron ore an d coal was researched and a kinetic formula for calculating of iron ore reductio n speed with mixed sizes was deduced.

讨论了矿煤混合流化床还原条件的特点，导出了铁矿还原的动力学方程。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。