The inflorescence of Potentilla cryptotaeniae is corymbose cyme; its color is mainly yellow, its flower diameter is from 3 to 3.8mm; its florescence is from June 30th to September 10th; its fruit period is from July 25th to October 5th.

1、

By using the expansion of spherical wave functions for a cylindrical wave function and the techniques of the hypergeometric functions, the Sommerfeld integral contained in the potential is expressed as a rapidly and absolutely convergent series of spherical wave functions;

利用圆柱波函数的球面波函数展开式和超几何函数理论，位函数中的索末菲尔德积分被表示成快速、绝对收敛的球面波展开式；

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2、

Semi-infinite border through the mirror image method to meet the stress free condition, using the cylindrical wave function expansion method shows the original image and the mirror image of the wave field analytical expression.

半无限边界处的应力自由条件通过镜像法来满足，采用柱波函数展开法给出了原像和各镜像波场的解析表达式。

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3、

Multi-center cylindrical harmonic function expansion method for computing the electromagnetic scattering by two-dimensional cylinder of arbitrary cross-sections

用于计算任意截面二维电磁散射的多心柱谐函数展开法

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4、

A Cylindrical Distribution Function Program and Its Application

园柱分布函数计算程序及其应用

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5、

To solve axially symmetrical electrostatic field, the method of cylindrical function expansion is presented. The series expansion for the potential distribution in whole space with the potential distribution on the symmetric axis is derived, some examples are given.

提出了求解轴对称静电场的柱函数展开法，推导出用对称轴上的电势分布表示空间电势分布的级数展开式，并给出了求解轴对称静电场的例子。

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6、

For a steady current-carrying tightly wound thick-wall solenoid with a finite length, the expression of vector potential is derived by using the method of cylindrical function expansion.

对于通以恒定电流的有限长厚壁螺线管，用柱函数展开法推导出矢势的表达式，再根据磁感应强度与矢势的关系式得出磁场的积分形式表达式。

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7、

In a medium of monoatomic heavy gas, using the parabolic cylindrical function expansion, an asymptotic energy distribution and its decay constamts were derived.

对于单原子的重气体介质，利用抛物柱函数展开法，求得了渐近能量分布及其随时间衰减的常数。

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8、

Research on automatic reversing mechanism for two way plow with cylindrical cam

双向犁圆柱凸轮自动翻转机构的研究

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9、

The design of cylindrical cam profile by analytical method

圆柱凸轮廓面的解析设计法

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10、

The design and calculation of the cylindrical cam in lift mechanism;

提升机构中圆柱凸轮机构的设计计算；

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11、

Developing of NC Machining System for Cylindrical Cam Based PC

基于PC的开放式圆柱凸轮数控加工系统

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12、

This paper deals with practical machining methods for index cylindrical cam.

本文讨论了圆柱蜗形分度凸轮的实用加工方法。

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13、

Approach to design method about oscillation rod cylindrical cam mechanism

关于摆动推杆圆柱凸轮机构设计方法的探讨

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14、

Applications and research on the precision measurement of cylindrical cam profile

圆柱凸轮轮廓的三坐标测量法研究及应用

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15、

The developed drill pipe valve used in gas drilling is made up of nipple, cushion, sealing parts, valve seat, pin bearing, cylindrical torsion spring and valve plate.

气体钻井过程中，常规的配套工具无法满足工艺要求，为此而研制的气体钻井用钻杆阀由钻杆阀短节、缓冲垫、密封部件、阀座、销轴、圆柱扭簧和阀板等组成。

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16、

The stress distributions of three shapes, i.e., spherical, rotating paraboloid and cylindrical type heart valve leaflets, are simulated with hyper-elastic finite element.

采用四节点板壳元，对球面、圆柱面、旋转抛物面3种不同型面生物瓣瓣叶的应力分布进行了超弹性有限元数值模拟。

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17、

However, compared with traditional cylindrical spool valve, most anomalous orifices still face some problems, for instance, existing research data or achievements are less, study on characteristics lack depth or are incomplete.

然而，与传统圆柱形滑阀相比，多数异形阀口滑阀还存在着已有研究资料、成果少，以及特性研究不深入、不完善等问题。

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18、

The adjusting bolt, the valve core sleeve, the valve core, the spring, the steel ball, the copper block, the spring and the adjusting block are respectively arranged in two cylindrical valve bodies;

所述调整螺栓、阀芯套、阀芯、弹簧、钢球、铜块、弹簧和调节块，分别装配在所述两个圆柱形阀体内；

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19、

Numerical simulation on characteristics of emergency shut-down of cylindrical valve for hydraulic turbine

水轮机筒阀动水关闭特性的数值模拟

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20、

Direct-indirect heat cylindrical drier

转筒式直接-间接加热干燥机

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