解析法

The sub-modeling technique of finite element analysis or FEA is studied as an alterative numerical method.

箱形结构中应力集中部位椭圆形表面裂纹区域的名义应力场分布不规则，无法使用现有的解析解和经验公式，有限元子模型法是求解此类问题的途径之一。

Nonlinear frequency response characteristics of a 2K-H planetary gearing system with multiple backlash has been calculated by using the developed analytical MDOF harmonic balance method, and has been compared with corresponding linear system. Again, influence of parameters on dynamic behavior is discussed.

通过采用本文推导的多自由度解析谐波平衡法求解2K—H行星齿轮机构的稳态响应，本文计算了间隙存在时行星齿轮系统的非线性动态特性，并就系统的非线性动态特性与线性系统的对比以及参数对行星齿轮系统动态特性的影响进行了分析。

For solving regular polygon,the author presents a geometrograph which divides the circumference uniformly and arbitrarily; and derives an analytic expression.

介绍任意等分圆周的几何作图法及所推导的解析表达式，提出用解三角形法解决正多边形零件在设计和加工中的计算问题。

The problem has been solved by using self-defining function and comma operation, and operated a software package named OptSoftware. According to OptSoftware, the process of expression-interpretation is discussed. At last, the future of applying is prospected.

通过采用自定义函数法和逗号运算法成功解决了该问题，在VC++6.0下开发了智能优化软件包OptSoftware，结合该软件包对其表达式解析作了详细介绍，并对其前景进行了展望。

The result of this method is accurate solution of differential equation because it is on the basis of analytic method. Compared with the value solutions, it has a lot of characteristics such as clear concepts, simple steps, quick convergence rate, etc.

此方法是建立在解析方法的基础上，得到的结构内力和位移具有足够的精度，它和目前应用广泛的有限元法、差分法等数值解法相比，具有概念清晰、步骤简单、收敛速度快等特点。

SFBEM not only retains the advantages of boundary element method, but also avoids solving singular integral equations.

样条虚边界元法是针对传统问接奇异边界元法存在的问题而提出的一种半解析半数值方法。

A test-potential method and a mean radius-screened charge loop iteration method are utilized to find the screened charges in the relativistic and the non-relativistic screened hydrogenic models.

利用试验势法和平均半径－屏蔽电荷迭代法研究基于解析势的相对论和非相对论屏蔽类氢模型。

In order to supply theoretical basis for the generalization and management of Larix leptolepis, the effects of meterological factors on the growth quantity of Larix leptolepis were studied by step-by-step regression and grey relation analysis based on the data of 15 analytical stem and meterological data of the lastest 20 years in LuanChuan.

在此基础上以豫西伏牛山区日本落叶松人工林为研究对象，以15棵解析木的资料和栾川县近20年的气象资料为研究材料，利用逐步回归法和灰色关联分析法详细研究了10项气象因子对日本落叶松生长量的影响，为日本落叶松的引种和经营管理提供科学依据。

EF and CMB receptor model was used to make source apportiontment of dustfall. The results showed that the main sources of dustfall in Changchun was natural source. Coal smoke dust and automotive exhaust dust were main source from human being.

应用化学质量平衡法和富集因子法对降尘进行来源解析的结果表明，长春市大气降尘来源以自然源即土壤风沙尘为主，人为源主要是燃煤尘和汽车尾气尘。

As a first step to industrialize this focusing coal liquefaction technology, it is essential to study the multiphase transport characteristics of this new type reactor. In this paper, mass transfer and mixing characteristics of a three-phase continuous loop reactor with a concentric draft tube were measured by the dynamic dissolved oxygen and saturated KCl solution pulse trace methods,with glass beads as solid phase, air as gas phase and tap water as liquid phase, respectively.

本文在同心内置Φ 0.14×1.5m导流筒的Φ 0.2×2.5m有机玻璃环流反应器中，以空气和水为气、液相，玻璃珠为固相，分别利用动态溶氧法与饱和KCl脉冲示踪法测量了液相体积传质系数和轴向分散系数，考察了表观气速、进料浆速、固含率、固相颗粒直径、液相表面张力以及操作方式对上述两个传递参数的影响规律，并将实验结果关联为量纲为1关联式；同时，根据环流反应器的结构特点，建立了传质系数分区模型和轴向分散系数分区模型且分别获得了解析解，对床层传质和混合的不均匀性做了理论分析。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。