非偏振的

Blazars are one of the most extreme classes of active galactic nucleus, with high luminosity, large amplitude and rapid variability, high and variable polarization, radio core-dominance, and apparent superluminal speeds. Their broad band emission extends from radio up to gamma-ray band, and is dominated by non-thermal process.

中文摘要：在AGNs中，Blazar天体是具有极端性质的一类，它以大幅快速光变、高且变化的偏振、射电核主导、视超光速运动、全波段非热辐射为主要特征。

Blazars are one of the most extreme classes of active galactic nucleus, with high luminosity, large amplitude and rapid variability, high and variable polarization, radio core-dominance, and apparent superluminal speeds.

在活动星系核中，Blazar天体是具有极端性质的一类，它以大幅快速光变、高且变化的偏振、射电核主导、视超光速运动、全波段非热辐射为主要特征。

Ctive Galactic Nucleus is the hottest research on modern astrophysics. Blazars are one of the most extreme classes of active galactic nucleus, with high luminosity, large amplitude and rapid variability, high and variable polarization, radio core-dominance, and apparent superluminal speeds. Their broad band emission extends from radio up to γ-ray band, and dominated by non-thermal process.

GNs是近代天体物理学研究的热门课题，blazar天体是AGNs中具有极端物理性质的一个子类，它以大振幅快速光变、高且变化的偏振、射电核主导、视超光速运动、全波段非热辐射为主要特征。

The polarization state of reflected light of water and the relationship of incidence angle and degree of water polarization were deduced.

理论上证明了以非布儒斯特角入射时偏振消除太阳耀光的可能性，计算了从各个角度入射到纯净水体表面太阳耀光剥离的程度，实验验证了结论。

The results show that, consolidated deviator stress ratio has the most significant effect on normalized pore water pressure developed with number of cycles. And the normalized pore water pressure developed with generalized shear strain is independent of various initial stress condition.

研究表明：非均等固结条件下，固结偏应力比对归一化后的孔隙水压力随振次增长模式影响最为显著；不同固结条件下的归一化孔隙水压力随应变增长模式却基本相同。

STRUCTURE: Titanium and composites used extensively, with particular emphasis on corrosion resistance; fully articulated three-blade coaxial contrarotatmg rotors have all-composites blades with carbon fibre and glass fibre main spars, pockets (13 per blade) of Kevlar-type material, and filler similar to Nomex; blades have non-symmetrical aerofoil section; each has ground-adjustable tab; each lower blade carries adjustable vibration damper, comprising two dependent weights, on root section, with further vibration dampers in fuselage; tip light on each upper blade; blades fold manually outboard of all control mechanisms, to folded width within track of main landing gear; rotor hub is 50% titaniuin/50% steel; rotor brake standard; all-metal fuselage; composites tailcone; fixed incidence tailplane, elevators, fins and rudders have aluminium alloy structure, composites skins; fins toe inward approximately 25°; fixed leading-edge slat on each fin prevents airflow over fin stalling in crosswinds or at high yaw angles.

结构：钛和复合材料广泛使用，耐腐蚀性能与特别强调，充分阐明三叶片转子同轴contrarotatmg有碳纤维和玻璃纤维的主要棒材全复合材料桨叶，口袋（每刀片13）凯夫拉型材料，类似的Nomex纤维填料；叶片非对称机翼部分，每有地面可调选项卡，每降低叶片振动阻尼器进行调节，包括两部分依赖重根，在机身进一步减振装置；小费每个刀片上轻；刀片倍手动舷外所有控制机制，折叠宽度内的主起落架的轨道；转子中心为50％titaniuin/50％钢；转子制动标准；全金属机身，复合材料tailcone，固定发生机尾，电梯，蛙鞋和方向舵的铝合金结构，复合材料的皮肤；鳍鳍在每个脚趾向内约25 °；固定领先的板式翅片防止了侧风或气流停滞在高偏航角度。

Using a nonperturbative scattering theory developed by Guo,Aberg and Crasemann the angular distributions of electrons in above threshold ionization of Krypton atoms irridated by a bichromatic phase-controlled laser field of linear polarizations is studied. The bichromatic phase-controlled laser field is composed of a sequence of identical one-cycle laser pulses.

采用基于Guo， Aberg 和Crasemann发展的强激光场中的非微扰量子散射理论，研究了线偏振双色激光场中氪原子阈上电离的光电子角分布，双色激光场由一系列相同的单周期激光脉冲组成。

Secondly,two-photon entangled pair is produced in noncollinear direction.Wediscuss the influence of fourth-order interference with three different length crystalsand with different frequency distribution of interference filters.

其次，利用飞秒脉冲II型参量下转换在非共线方向产生偏振纠缠的双光子对，我们利用三块不同长度晶体分析晶体长度以及探测谱线宽度对纠缠四阶干涉的影响，实验选用长度分别为0.1mm、0.5mm和1.0mm的BBO晶体。

It's also pointed out in theory and experiment that the ripples of the nonreciprocal phase shifter's transmission originated from the fact that the actualacoustic-optic frequency shifter's transform efficiency is less than 100% and theacoustic-optic couple process is polarization-dependent.

通过分析和实验研究还指出实际声光移频器转换效率达不到100%以及声光耦合过程的偏振相关性是造成非互易相移器传输谱波纹和起伏的原因。

Based on the theory of heat conduction, the heater thermal field was calculated to determine the most efficient position of heater. And the parameters of heater and asymmetric Y branch were decided using FD-BPM method. After the design and optimization, the polarization dependence and wavelength dependence of the attenuator were researched.

先根据前文介绍的热传导理论模拟了用于可调衰减器的电极的热场分布，设计了电极的最优位置，然后利用马卡蒂里近似解法求解掩埋条形波导的单模条件，并计算了波导的宽度和厚度，设计了非对称Y分支型的光衰减器的Y分支结构，电极参数，完成整个设计过程，最后，模拟了光衰减器的偏振相关性和波长相关性，从而也得到了一个聚合物可调光衰减器的设计优化方法。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。