Theoretical error estimation of sine AC sampling

The proof of existence of the finite element solutions and their theoretical error estimates are presented.

本文利用连续时空有限元法对半线性奇异抛物方程进行了研究，利用线性化方法给出了有限元解的存在性证明和理论误差估计。

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Study on 200 kN Multi-point Forming Press and Its Theoretical Error of Adjusting Forming

200kN板材多点成形压力机及其调形的理论误差

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Analysis of the Theoretical Error for Electromechanical Coupling Coefficient of Low Q m Piezoelectric Resonator

低Qm压电振子机电耦合系数的标准计算方法的原理误差分析

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Theoretical Error Control Strategy and Mathematic Essence of Rapid Prototyping and Manufacturing

快速成型制造的数学本质及理论误差控制策略

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This paper introduces spectrum analysis method to eliminate theoretical error and make measurement accuracy higher.

本文从理论上介绍了采用频谱分析法消除了理论上的误差，提高了测量精度。

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By means of artifical computation, the theoretical error of the algorithm has been tested.

通过仿真计算，考核了这种算法的理论误差。

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Analysis and control of the theoretical error in five axis NC machining

五坐标数控加工的理论误差分析与控制

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On the basis of the generalized steady state tire model and the theoretical equation of slip ratio, a non linear non steady state side slip tire model is proposed based on a quasi steady state concept.

在稳态指数统一模型的基础上，根据动态过程有效滑移率的理论表达式，建立了轮胎非稳态侧偏特性非线性模型。

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Through analyzing the different between the theoretical equation and the experiments equation, the main reason is that the scalar crystal field parameter of a given host has the different Nv value for the different ions.

理论计算与实验拟合存在差异，分析了出现差异的原因，认为差异主要是由相同晶体场对于不同掺杂离子的影响即晶体场参数Nv值不完全相同而引起的。

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By using the suggested transverse mixing coefficient equation and the direct integration of Fischer's triple integral, the paper presents a new theoretical equation of the longitudinal dispersion coefficient for natural rivers.

在此基础上通过对Fischer的三重积分的直接求解，建立了新的天然河流纵向分散系数计算公式。

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Regarded fabric as homogeneous porous media, this paper arrives at the theoretical equation of fabric ′ s diffusion moisture performances in different directions with the law of Hydromechanics.

通过将织物抽象成均匀的多孔介质，利用流体力学原理推导出织物各方向扩散的理论方程。

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According to the electric character and radioactivity of the strata as well as their relationship, the binary regression method was used to obtain the theoretical equation for the salt mine district.

依据岩系地层的电性、放射性及它们之间的相互关系，用二元回归方法得出了矿区的理论方程；

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Moreover, the silicon fertilization increased the moisture capacity of leaves, maintained its physiological function, and increased the yield of alfalfa. ON THEORETICAL EQUATION OF FIELD MOISTURE CAPACITY

在干旱条件下，紫花苜蓿的叶片保水力随着施硅量的增加而增强，在一定时间内，不施硅肥的植株比施硅肥植株的叶片失水更多。土壤田间持水量理论公式的探讨

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The theoretical equation of calculating air-fuel ratio according to the volume fraction of CO_2 CO O_2 NO_ x HC of combustion products is deduced.

推导了由测量得到的燃烧产物中CO2、CO、O2、NOx和HC的体积分数计算燃料空气混合气空燃比的计算公式。

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By using a very simple liquid model a theoretical equation between the capacity factor k' and the molecular parameters of solutes, solvents etc can be derived.

采用简单的液体模型，得到了容量因子k′与溶质溶剂的分子参数之间的理论关系。

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Based on practical recovery of LDG, the factors that have effect on recovery volume of LDG are analyzed and the theoretical equation is built.

结合生产实际中转炉煤气回收的规律，确定了转炉煤气发生量与回收量的影响因素，建立了转炉煤气回收量的理论计算公式；

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A theoretical equation describing the functional relationship between concentration of suspended solids in water ( S) and the reflectance ( R) was proposed.

该文提出了反射率与悬浮固体含量之间的理论关系式&负指数关系式，并确定了其与经验公式的关系。

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A theoretical equation in the decrease of iodine value in the hydrogenation of oils and fats is derived from the theory of hydrogenation.

以油脂氢化理论为基础，导出油脂氢化反应中碘值变化的理论公式。

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A model test was designed to simulate the consolidation process of warping soil, the validity of theoretical equation and the solution methods presented in this study.

设计模型试验模拟渗压作用下淤填粘土的固结过程并对本文建立的理论模型和求解结果进行验证。

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Based on the theory of convective diffusion, the theoretical equation for interwell tracer production concentration is derived by the stream tube method.

以对流扩散理论为基础，利用流管法导出了井间示踪剂产出浓度的理论公式。

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