The physical model of polarizing beam coupling and splitting system using altazimuth coude telescope is built up based on Mueller matrix and Stokes vector. The phenomena of the decreasing of the receiving efficiency are successfully explained by this model. Three dynamic phase compensation solutions are proposed: 1 Two quarter-wave plates are rotated to compensate the phase of the laser.

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And then the partially polarized and coherent Gausian-Schell beam is taken as a numerical example to study the influence of the polarized grating TE and TM complex transmission and some parameters of the incident PGSM on the polarization degree of the diffraction field and the diffractive orders's angular correlation in details.

以部分偏振的高斯-謝爾模型光束為例国产第一区精品，數(shù)值分析了偏振光柵TE和TM波的復(fù)振幅透過(guò)率、入射光束的光學(xué)參量對(duì)衍射場(chǎng)偏振度和場(chǎng)中各衍射級(jí)次的角相關(guān)的影響欧美乱婬视频婬色。

In this paper,a numerical solution for radial journal bearings with liquid hydro-dynamic lubrication is analysed, numerical expressions for oil fiton pressure, bearing capacity , friction moment,and leakage at the bearing ends are derived,bearing capacity,flow rate, friction moment,and eccentric angle of the load under 14 different temperatures and 14 different load eccentricities are calculated.

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In the third part, the theory of thrust angle and unbalanced forces is studied andapplied to Xiluodu arch dam. some conclusions are obtained :(1) The thrust angle issmaller by elaso-plastic computation than elastic computation. For the non-linearcomputation, the thrust angles at different elevations all increase during overloading,which reveals the internal mechanism of good performance of arch dam in conditionof overloading;(2) The elaso-plastic theory always minimizes the actual unbalancedforces in the sense of a condition number in the norm ofcomplementary energy.

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In respect to the relationship between cam profile and pressure angles, the design method of cam profile with constant pressure angle was discussed and the cam profile was derived by means of the Euler Formula and the FORTRAN program.

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Because of the dependence of rotating dipole PA curve on layer of field lines, it avoids the degeneracy problem of conventional rotating vector model that all layers of field lines have the same PA curve with fixed inclination and impact angles, therefore it provides a useful way to identify the emission from different layers and constrain the location of emission regions in pulsar magnetosphere by fitting the observed pulsar radio PA data with rotating dipole PA curve.

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By contrast with the spectral obtained under different incident geometry and polarized conditions, the experimental results show that the reflected light can be corrected completely with an incident zenith angle of 53 degree (Brewster's angle) and zero polarized angle.

結(jié)果表明，當(dāng)探測(cè)角不滿足布儒斯特角時(shí)欧美黑人大尺度又粗又长最新章节，在偏振片的主消光方向能剝離絕大部分的水面反射光国产女主播精品在线播放；當(dāng)入射角越接近布儒斯特角，其剝離效果越佳好大好硬好爽高潮视频；以布儒斯特角觀測(cè)時(shí)18岁以下禁视频免费网站，可以達(dá)到完全剝離的效果。

The many hybrid wheat combinations were bred by 4 male sterile types of alloplasmic wheat with Ae.kotschyi,Ae.variabilis,Ae.ventricosa and Ae.bicornis cytoplasms and some restoring lines,and their seed qualities were analysed.

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At present, the location of the anti-lopsided wear centralizer used in fields is mainly based on the deviation angle. In fact, lopsided wear may be caused by the change of azimuth angle or by the vertical well section and hold angle section during the working of the bucket rod.

目前油田礦場(chǎng)主要根據(jù)井斜角來(lái)確定防偏磨扶正器下入位置亚洲最大无码在线，實(shí)際上方位角變化也能導(dǎo)致偏磨一级特黄a大片录像高，抽油桿桿柱在運(yùn)動(dòng)過(guò)程中直井段和穩(wěn)斜段也會(huì)產(chǎn)生偏磨。

If these abnormities were laid according as frequency among 2-6 months,reflex abnormities are knee tendon reflex, palmar grasp reflex,...

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