Eight voltage measurements are required in the van der Pauw resistivity measurement method. 范德堡电阻率测量方法需要测量8个电压。
The quasi-static adiabatic equations of the Van der Waals gas are derived by using two different method and the unresolved problems in relevant literatures are solved. 应用两种不同方法导出范氏气体的准静态绝热方程,解决了相关文献未能解决的问题。
Statistical evaluation of the VAN method using the historic earthquake catalog in Greece 用希腊历史地震目录对VAN方法做统计评估
The main works as follows: Firstly, stochastic van der Pol system with random parameter subject to an arch-like probability density function is reduced into its equivalent deterministic one using Chebyshev polynomial approximation method. 应用Chebyshev多项式逼近法把含有服从拱形分布随机变量的vanderpol系统转化为等价确定性扩阶系统,再利用一般数值方法研究了该系统的对称破裂分岔和倍周期分岔行为。
Progress in and Debating on the VAN Earthquake Prediction Method in Greece ( Part Two): International Evaluation and Debate 希腊VAN地震预报方法的进展与争论(Ⅱ)&国际评价与争论
The basic formulas about particles distribution under outside force fields, such as Van't Hoff formula, Kelvin formula and sedimentation equilibrium formula of colloid have been proved by using Boltzmann distribution law. The moulds are clear and the method is simple and convenient. 应用玻尔兹曼分布定律证明了范特霍夫渗透压公式、开尔文公式、胶体粒子沉降平衡公式等与粒子在外力场中分布有关的基本公式,模型清晰,方法便捷。
We have presented a calculation for the total and partial decay widths for vibrational predissociation for a low vibrational excited van der Waals molecule HeI_2. The time-dependent golden rule wave packet method has been used in our numerical calculation for the decay widths. 采用含时黄金规则波包传播法,对低振动激发(ν<12)vanderwaals分子HeI2(总角动量J=0)的振动预离解计算了总和部分衰变宽度。
Earthquake prediction evaluation standards applied to the VAN method 应用于VAN方法的地震预报评估标准
In 1, Pham van at gave a general definition for the diagonal transformation methods, which is called the F-method, and succinctly proved a sufficient condition for the convergence of this method. 但是有关收敛性讨论往往比较繁琐.PhamVanAt在文[1]中把对角变换法作了一般性定义,称之为F-方法。
On the basis of molecular aggregation model of van der Waals fluid the equation of state ( vdW) for molecular aggregation is derived by using statistical thermodynamic method. 基于范德瓦耳斯流体的分子聚集模型,应用统计热力学方法导出分子聚集型状态方程。
Using Van Krevelen's method, the approximate solutions for CO_2 absorption into hot potash and amine promoted solutions have been deduced. 本文采用VanKrevelen的方法,推演了热碱和有机胺催化热碱吸收二氧化碳的近似解。
The method of the combination of local composition concept with equations of state has been used in the study of the correction parameter kji in the Van Der Waals one fluid mixing rule. 本文采用局部组成概念与状态方程相结合的方法,对vanderwaals单流体混合规则中的校正参数K(ji)进行了研究,得到了一个随密度变化的局部组成混合规则。
The paper introduces the resistance reduction methods of van type vehicles-actively boundary layer control method and passive boundary layer control method. 介绍了厢式货车的减阻方法&主动控制边界层法和被动控制边界层法。
The color-analog Van der Waals force between two hadrons is studied by use of the coupling channel resonating group method in the framework of the Gaussian-type quark confinement potential. 本文采用高斯增长的夸克禁闭势和耦合道共振群方法研究了强子之间的色vanderwaals力问题。
This paper introduces briefly the recent argument of earthquake prediction among seismologist in the world. It outlines the trend of earthquake precursory study on the basis of analysis of VAN prediction method. 概要介绍了近年来国际上就地震预测所展开的争论,分析了VAN方法所反映的地震前兆研究动向;
Debate on evaluation of the VAN method: Editor's introduction 有关VAN方法的评价辩论&编者的话
Reply to Earthquake prediction evaluation standards applied to the VAN method, by D.D.Jackson 对D.D.Jackson的应用于VAN方法的地震预报评估标准一文的答复
And the changes in the contents of ADF, cellulose and lignin were measured with the improved Van Soest analytic method. 取出后用改进的VanSoest法分析样品的酸性洗涤纤维(ADF)和木质素的变化。
At last, the paper indicates that the wavelength calibrated error of Van den Akker's method might not be only due to the asymmetry of the pass-band of the monochromator. 文章最后部分还指出:VandenAkker的波长校准误差并不一定是由单色仪的通带为非对称引起的。
Do you know the VAN method of earthquake prediction? 你知道地震预报的VAN方法吗?
An Alternating Frequency Time ( AFT) domain method is introduced to solve the assembled equations accounting for the mixed time-frequency terms of the Van der Pol type in Scanlan model. Numerical results are presented to demonstrate the accuracy and effectiveness of this new method. 针对Scanlan模型中vanderpol性质的时间频率混合项,引入时频混合格式的AFT方法来计算涡振时程响应,并通过算例验证了该方法的可行性。
Use Matlab to Solve Van Der Pol Equation Method Study 使用Matlab求解vanderpol方程的方法研究
Uncertainties in the Evaluations of Correlations of Precursory Anomalies with Earthquakes: Ponderation of the Discussions on VAN Method 前兆异常与地震相关性评价中的不确定性&VAN方法讨论引起的思考
An augmented van der Waals model of VLE of the pure compounds has been established by the molecular thermodynamic method, and an equation of calculating the enthalpy of vaporization at the normal boiling point is obtained from this model, which contains only a molecular size-dependent parameter. 用分子热力学方法建立了纯物质汽液平衡的推广vanderwaals模型,并据此得到了一个计算正常沸点下液体蒸发焓的方程.它只含有一个与分子大小有关的参数。
This paper presents one kind combination resonance in a van der Pol hysteretic nonlinear system exposed to multi-frequency excitations through the multi-scale method and obtains the amplitude of the combination resonance solution of the system. 利用多尺度法分析了vanderpol多频激励滞后非线性系统的一类组合共振,得到了该系统组合共振解的振幅。
The linear delayed position feedback is induced to a Van der Pol-Duffing system. By using the method of multiple scales, we obtain the closed form of the periodic solution and judge its stability theoretically. 文章对一个vanderpol-Duffing系统引入线性时滞位移反馈控制,通过运用多尺度法得到周期解的解析形式,并判断其稳定性。
For example: Van Meter Ames declares both Suzuki and Dewey are the critics of traditional logic, they all try to de-construct the method of dichotomy; moreover, both Suzuki and Heidegger grasp "person" as a subject through Being and experience. 如VanMeterAmes认为铃木与Dewey都是传统逻辑的批判者,都企图对二分法进行消解;又铃木与Heidegger都从存在和经验上去把握作为主体的人。
Moreover, coefficients of Van der Waals interaction between two ground state hydrogen atoms were calculated on the basis of the relationship between oscillator strength and coefficients of Van der Waals of hydrogen atom, this is verified to be a more convenient method. 此外,利用振子强度与范德瓦耳斯色散系数关系计算了两个基态氢原子之间的范德瓦耳斯色散系数,且为此提供了一个比较简单的计算方案。
Summarized the research status and research purposes of Van der Pol-Duffing system, and expounds the concept and definition of stability, bifurcation, Hopf bifurcation theory, bifurcation control method, multi-scale method and Lyapunov coefficient method. 本论文的主要内容为:1.综述了vanderpol-Duffing系统的研究现状以及研究目的意义,并且阐述了稳定性、分岔、Hopf分岔理论、分岔控制方法、多尺度方法、Lyapunov系数法的概念与定义。
The conversion of the primary amine groups was determined by the Van Slyke method. The conversion of AGE was determined by colorimetry and gravimetric analysis, respectively. 用范斯莱克法测定了胶原多肽伯氨基的转化率,用重量法和比色法两种方法测定了AGE的转化率。