查询词典 mathematic

In this paper the conflicting discussion of scholastic view-point on seepage force which has lasted many years is stated. Then the physical concept of seepage force and its related forces including the resolved two components (a seepage force and a buoyant force) from seepage resultant force, the transformation between the seepage force and boundary pore water pressures, schematic diagram of forces acting on unit soil mass and the mathematic proof by Green theorem are described.

追述了多年来对渗透力学术观点的争论，并再就此问题论述了渗透力的物理概念及其与之相关的各力（包括渗流作用合力及其分解成的两个分力，渗透力与周边孔隙水压力的转换关系及各力作用在单位土体的图示；从数学上引用格林公式，证明土体表面水压力与土体本身渗透力之间的转换关系。

Simultaneously, how the gum acacia affects the hydrolysis rate constants of fatty acid esters in 38.6% ethanol solution, and the combination behavior between gum acacia and fatty acid esters have been found. And the way to determine the combination costants between them quantitatively is also found. In addition, the validated quantitative mathematic expression between hydrolysis rate constants of ester and the concentration of gum acacia: k=k'/(1+AM) is verified.

同时研究了38%乙醇溶液中阿拉伯胶与脂肪酸酯之间的缔合行为，并建立了定量确定缔合常数的方法，推导并验证了定量表达酯水解速率常数k与GA浓度关系的数学表达式：k'=k/(1+AM)，得出了GA对脂肪酸酯水解起禁阻作用的结论。

Egg fresh index ; egg air diameter ; Haugh unit ; mathematic model

鸡蛋新鲜度；气室直径；哈氏单位；数学模型

On the basis of energy balance a dynamic mathematic model in a cooled henhouse was developed , to be used for predicting the cooling efficiency of the system.

在能量平衡的基础上，建立了降温鸡舍的动态数学模型，并进行了预测。

Based on these research work, we have developed mathematic models and a simulation system for various melt-spinning processes by MATLAB, such as High-speed and low-speed spinning, TCS, hollow, heteromorphism, and composite melt-spinning etc..

通过该系统可进行高速纺丝、低速纺丝、皮芯复合纺丝、中空纤维等工艺及产品的纺丝动力学计算机模拟，并可对皮芯结构、不对称冷却结构的理论进行研究。

From the view of torque controlling strategy, the relation between the torque controlling strategy such as the electric current feedback method、 PWM open loop method etc and the vehicle driving way is analyzed firstly, then the conclusion could be drawn that the PWM open loop method has more advantages than the electric current feedback method when they are both used in the same vehicle which is direct driving by hubcap motor. Secondly, based on the electric motor mathematic model and its experiment, a new permanent brushless dc motor phase electric current detector method in which a digital signal processor and single current sensor are used is introduced.

从转矩控制策略角度来看，分析了电流反馈法以及开环PWM电压调速控制方法与车辆的驱动方式关系，得出了电机驱动电压受限的情况下，无论是从对车辆的动力性能影响还是从对车辆的驱动要求来讲，开环PWM电压调速控制方法较电流反馈法更适用于以轮毂电机直接驱动方式的两轮电动车中；其次，根据电机的数学模型以及电机试验波形，提出了一种利用数字信号处理器以及单个电流传感器检测三相永磁无刷电机电枢电流的新方法，这种方法具有较强的适应性、实时性，它可以根据控制系统的要求，适时地提供所需电流数据，是目前许多文章关于无刷电机相电流平波的重要技术基础。

The mathematic model of humanoid pneumatic muscle was established by theoretical and experimental methods.

在理论分析和实验的基础上，建立了人工气动肌肉的数学模型。

At the same time, we also find out an explanation for this phenomenon in the domain of the quantum mechanics, and erect a mathematic model to show the relation between the locations of absorption peak and the concentration of hydrogen nitrate ion in solution.

同时，论文在量子领域中运用量子力学的理论，给出了这一漂移现象的解释，并建立了吸收峰的波长位置和溶液中硝酸根离子浓度的关系的数学模型。

On The basis of discussing three mathematic qualities, the meaning of Region-Value in the field of hydrogeology is expounded by theory analysis.

在讨论了系统域值所具有的三个数学性质的基础上，从理论上分析了系统域值的水文地质意义。

Based on the first law of thermodynamics and the law of hydrokinetics, the mathematic model of the pressure characteristic was established for the 252 kV self-extinguishing SF6 circuit breaker, and the pressure characteristic curve of the arc-extinguishing chamber can be obtained through computation.

高压自能式SF6断路器是近年来开发的一种基于较新灭弧方式的产品。自能式灭弧室在开断过程中通过电弧的加热，使灭弧室内的气体压力增加，产生足够的压力吹弧。电弧加热气体的方式可以减小灭弧室的体积并且降低操动机构的操作功，使开断过程更加稳定可靠[1-2]。对于灭弧室来说，气吹的压力是一个很重要的参数，直接影响灭弧室的开断能力。

The production moved off-Broadway to New York City, where she won the Joseph E. Calloway award for her performance, and was profiled in American Theater Magazine as one of ten young theater artists to watch.

生产提出过百老汇的新的纽约市，在那里她赢得了约瑟夫calloway奖，她的表现，并于异型在美国的战区杂志之一， 10战区的青年艺术家观赏。

It's a risk tradeoff, and I believe that adding test support code usually wins.

这是一个风险的权衡，我相信添加测试代码通常会占上风。