推导出

Cuit model are derived. The model and the corresponding formulations facilitate leading the ladder type and the

等值电路模型，并推导了模型参数的计算公式，根据这些计算公式和多边形等值电路模型，可进一步推导出

The relationship between gas (NH_3) absorption efficiency and gas velocity through tray's hole as well as liquid flow intensive is explorated, and a mathematical model for calculating gas Murphree plate efficiency of HVGT is derived.

本文以高负荷导向垂直栅板塔板流体力学研究为基础，对该塔板的传质性能进行了研究，探讨了塔板气相氨吸收效率与板孔气速和液流强度的关系，推导出了HVGT气相Murphree板效率数学模型。

On the basis of micromodel, relation of zinc oxide grains'average diameter to amount of seed grains has been studied out. Relation of 1mA /cm〓 electric field density, nonlinear coefficient, leakage current, breakdown energy density to amount of seed grains has been explained.

在模型基础上，推导出ZnO晶粒的平均粒径与籽晶含量的关系，解释了E〓、非线性系数、漏电流和击穿能量密度与籽晶含量的关系。

Equidistance point and difference theory in theory of function approximation are studied. Meanwhile, the relation among difference, difference quotient and derivate is revealed. By drawing Lagrange's and Cauchy's theorem of mean on difference and Taylor's formula into difference function, four theorems, such as Lagrange's theorem of mean on difference, are concluded in simple way. On the basis of these conclusions, the asymptotic property of middle point is studied, a series of new conclusions are drawn and the discussions on the asymptotic property of middle point in differential mid-value are summarized.

对函数逼近论中等距节点和差分理论进行了研究，揭示了差分、差商与导数之间的联系；将Lagrange中值定理、Cauchy中值定理、Taylor公式引入到差分函数中，简明地推导出Lagrange差分中值定理等4个定理，并在此基础上对&中间点&的渐近性进行了研究，得出了一系列&中间点&的渐近性的结果，概括了有关文献对微分中值公式的&中间点&的渐近性的讨论；给出的引理改进了函数逼近论的证明方法，精简了函数逼近论中的一些内容。

The optimum channel capacity for using diversity technique in the Nakagami fading or Weibull fading channels has been derived based on the optimum capacity of multi-antenna Gaussian channel model.

在多天线高斯信道最佳容量的基础上，推导出在Nakagami和Weibull衰落下，采用分集技术的最佳信道容量的数学表达式。

The concept of the operation characteristic parameter of hydrolysis and salifying extent parameter B S and the theoretical characteristic parameter of hydrolysis and salifying extent parameter B * S for polymeric aluminum_ferric was put forward.

聚合铝铁是一类典型的无机高分子混凝剂、本文在传统特征参数———碱化度B和水解度B 的基础上，提出了聚合铝铁操作特征参数———碱化盐基度 BS 和理论特征参数水解盐基度 B S 的概念，推导出了BS、B S 的计算表达式，系统解释了BS、B S 的操作和理论意义。

In this paper, the flux oriented angle of stator flux oriented vector control is deduced by the voltage vector space angle of the direct torque control, and mathematical model is set up based on the direct and quadrature axis component of the stator current.

将直接转矩控制与定子磁链定向矢量控制相结合，利用DTC中电压矢量的空间位置角，推导出SFOVC中的磁链定向角，然后根据旋转坐标系中的d轴和q轴电流分量，建立定子磁链估计的数学模型。

The orientation-singularity expression of the Stewart platform is deduced by using unit quaternion which can avoid singularity when using Euler angles to represent the orientation of rigid body, and then the algorithm of orientation-workspace of the manipulator at a certain position is proposed.

基于单位四元数描述的刚体姿态，避免了欧拉角等描述刚体姿态的奇异性问题，推导出Stewart机构处于给定位置时的姿态奇异解析表达式，并提出了该机构处于给定位置时的姿态工作空间算法，通过计算机仿真给出该机构处于一给定位置时姿态奇异轨迹和姿态工作空间的三维可视化描述。

Combined with a separate check that S is well-typed in a sound type system, property (5) implies that C executes without memory violations.

和利用合理类型系统独立检查得到的S良类型特性组合在一起，性质(5)可以推导出&C的运行将没有存储安全问题&这一结论。

Based on our formula of width equivalence of SIW and RW, the formula of length equivalence of SIW and RW has been derived, which is expected to find wide applications in the engineering design of SIW filter and resonance cavity.

根据已知的SIW和RW之间的宽度等效公式，通过对传播常数的分析，推导出SIW和等效的矩形波导之间的长度等效公式，这个公式在计算SIW短路结构和谐振腔时很实用。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。