圆柱

By using the expansion of spherical wave functions for a cylindrical wave function and with the help of the theory of hypergeometric functions, the Sommerfeld type integral contained in the electromagnetic fields is expressed as a rapidly and absolutely convergent series of spherical wave functions; and the coefficients of the series are the Legender Polynomials with the complex argument for the constitutive parameter.

应用圆柱波函数的球面波展开式和超几何函数理论，场分量中的索末菲尔德型积分被表示成快速、绝对收敛的球面波函数系展开式；展开系数是以物性参数为复宗量的勒让德多项式。

By using the expansion of spherical wave functions for a cylindrical wave function and with the help of the theory of hypergeometric functions, the Sommerfeld type integral contained in the electromagnetic fields is expressed as a rapidly and absolutely convergent series of spherical wave functions; and the coefficients of the series are the Legender Polyno...

应用圆柱波函数的球面波展开式和超几何函数理论，场分量中的索末菲尔德型积分被表示成快速、绝对收敛的球面波函数系展开式；展开系数是以物性参数为复宗量的勒让德多项式。

Scattering characteristics are studied of inhomogeneous cylinders immersed in an absorbing medium illuminated normally by plane waves. Scattering and extinction cross sections are derived, and the efficient algorithm is presented. Scattering matrix is simulated and discussed.

系统地解决了吸收介质中非均匀柱粒子对垂直入射平面波的散射问题，包括散射场、散射截面、消光截面的解析解，提出了快速、有效的计算方法；数值模拟了均匀、非均匀圆柱的散射矩阵，并与已有文献发表结果对比。

Acclivity 20° against to fall the silk brick, in resistance wire Yi Congcao does not drop out. The drum stove pot uses the 1Cr18Ni9Ti stainless steeliness full circle columnar order, or uses the chromium manganese nitrogen high-temperature steel casting, an origin bearing spider outside the furnace bodythe supporting, and uses the electric motor belt speed reducer to carry on the biography to use, to cause the stove pot to revolve slowly, the work piece causes it heating along with drum stove pot revolving to be even, and work piece mutually between non-cover phenomenon, after the heat treatment, theluster is consistent, stove pot another end is a feed head, by two hoop supporting.

滚筒炉罐采用1Cr18Ni9Ti不锈钢制成圆柱型，或采用铬锰氮耐热钢铸件，一端由轴承支座在炉体外支承，并采用电动机带减速机进行传用，使炉罐缓慢旋转，工件随滚筒炉罐旋转使之受热均匀，并且工件互相之间无复盖现象，热处理后色泽一致，炉罐另一端为进料口，由二只滚轮支承。

The spiral angle of graduated circle was rough estimated by measuring the addendum circle diameter and modified on milling machine.

介绍了精确测绘单一斜齿圆柱齿轮齿形参数的简便方法，即测量公法线长度计算基圆齿距从而查表确定模数和压力角；测量齿顶圆直径估算分度圆螺旋角，用分度头在铣床上修正分度圆螺旋角，并进行误差分析。

Utilizing wave function expansion method, all of the potential functions of scattered waves are transformed into one coordinate system with the aid of Graff's addition theorem.

使用波函数展开法，利用一组圆柱坐标系统和Graff加法转换定理，将散射波势函数的表达式变换到同一个坐标系。

The registered mark of Derun is WDRZ. We specialize in manufacturing thrust roller bearings. Our main products are thrust ball bearings, thrust cylindrical roller bearings, thrust taper roller bearings, thrust angular contact ball bearings and thrust aligning roller bearings ,deep groove ball bearing,spherical plain bearing,self-aligning bearing ,slewing bearing,and so forth. We also produce non-standard thrust roller bearings ,cylindrical roller bearing ,tapered rolling bearing,oscillating bearing,four-point contact ballbearing according to customers' requirements.

瓦房店德润轴承制造有限公司注册商标为&WDRZ&是专业制造推力轴承的制造厂家，产品包括：推力球轴承、推力角接触球轴承、推力圆柱滚子轴承、推力圆锥滚子轴承、推力调心滚子轴承、满滚子圆柱轴承、关节轴承、深沟球轴承、英制圆锥轴承，并且可以根据用户要求设计制造各种非标准轴承。

The stable winding equations of the elbow torus and cylinder are established according to different geometry, and the winding pattern of the geodesics of torus and semi-geodesics of cylinder are also achieved.

根据微分几何建立弯管的圆环面及圆柱面稳定缠绕方程，给出了圆环面的测地线缠绕解及圆柱面的半测地线缠绕解，并提出了用OpenGL及VC++对所设计的线型进行仿真的具体实现办法。

A compound structure—Double Half-cylindrical Lens is proposed firstly by the author.

双半圆柱透镜是作者首次提出的一种复合结构柱透镜，它突破了普通圆柱透镜在最佳准直时对透镜材料折射率必须小于2的限制，在透镜材料大于2甚至更高的条件下，其准直能力大大提高，准直效果在理论上可达0.1mrad。

Themapping function sequences including circular cutouts and elliptical cutouts aregiven in this chapter.

然后为方便地满足圆柱壳大开孔的边界条件，通过复变函数方法中的用来求解多边形映射问题的Schwarz-Christoffel积分表达式，将圆柱壳展开面上的非圆非椭的开孔边界曲线保角映射成为单位圆，给出了在不同开孔率情况下的关于圆孔和椭圆孔的保角映射函数的具体形式。

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。