束

Results The reconstructed results successfully reappeared three dimensional structure of fasciculus inside the sciatic nerve and showed the topographic anatomy of every nerve fascicle and its relationship in arbitrary sections, and presented patterns of complicated recombination of nerve bundles in the whole length.

结果 三维重建真实地再现坐骨神经内部各神经束的三维立体结构，并可显示坐骨神经中神经束的任意断面及其全长的解剖结构与相互关系，形象地展示坐骨神经内部神经束的复杂重组过程。

Methods and Materials:Sixteen healthy young college students without requiring medical service for lower limb due to injury in past 6 months accept 8 weeks plyometric exercise training. Using nerve conduction velocity test, surface electromyography, isometric dynamometer, electrogoniometer and ultrasonography to detect the change of (1)muscle activation level.(2)number of α-motorneuron.(3)nerve conduction velocity. And the mechanical properties of muscle-tendon complex are including (1)fascicle length.(2)fascicle angle.(3)fascicle curvature in muscle(4)muscle composition and (1)stiffness (2)hysterisis in tendon and electromechanical delay are also analysis.

材料与方法：16位下肢在六个月内没有因为受伤而接受任何医疗协助的，接受8周增强式训练前后，接受使用神经传导检查，表面肌电图，等长肌力测力仪，电子量角器以及高频影像超音波等工具之量测，以了解肌肉活性改变包括(1)肌肉适应情形(2)神经元的改变(3)神经传导速率的变化以及肌肉肌腱复合体的机械特性，包括肌肉(1)肌束长度(2)肌束与深层腱鞘的角度(3)肌束弯曲度(4)肌肉组成，以及肌腱腱鞘复合体的(1)刚性与(2)迟滞现象以及机电传导延迟时间。

We observed highly significant changes of fiber orientations at regions that correspond to the superior longitudinal fasciculus during the first 5 years.

我们发现在出生后的开始5年，上纵束相关纤维束的区域定向发生明显改变。这个结果说明上纵束的轴突和髓鞘发育很慢，而这个区域被认为和语言功能相关。

Methods DTI were performed in 20 patients of aMCI, 20 patients of AD and 20 normal control subjects. FA and ADC values were calculated in the regions of interest in inferior fronto-occipital fasciculus, genu and splenium of corpus callosum, superior longitudinal fasciclesⅡand cingulated bundles.

对20例aMCI患者、20例AD患者及20名正常对照者行DTI扫描，以额枕下束、胼胝体膝部及压部、上纵束Ⅱ、扣带束作为感兴趣区测FA值和ADC值。

The results show that the microscopical pore structure of the three dimensional orthogonal woven carbon fabric structure perform is composed of body-centered cubes which arranged periodically at spaces. The net structure and shape of the pores of perform are determined by the size and proration of the fasciculus diameter, which are key factors influencing the gaseous permeability and final density of composites. Once the proration of the fasciculus diameters of different directions is determined, the trend of diversification of the permeability followed by pore rate during CVI process and the density of composites are stated, and the permeability increases with the increase of the fasciculus diameter.

研究结果表明：三维正交结构炭纤维预制体的宏观孔隙结构在空间上可以看成是由呈周期性排列的体心立方"晶胞"构成； X ， Y 和 Z 3个方向纤维束直径大小及比例关系决定三维正交结构炭纤维预制体宏观孔隙网络的结构和形状，也是决定反应气体在孔隙中的比渗透率和复合材料最终致密度的重要因素；当 X ， Y 和 Z 3个方向纤维束直径的比例关系一定时，不同预制体在CVI增密过程中比渗透率随孔隙率变化的趋势相同；复合材料的最终致密度一定；比渗透率随纤维束直径增大而略有增大。

Because of the decrease of the resin flow and the reduction of fiber bundle voids, the penetrating process of the matrix is a limited process. Increasing impregnating time can't guarantee to get complete penetration.

由于树脂受力的衰减和纤维束孔隙率的减小，树脂在纤维束中的渗透是一个有限过程，延长浸渍时间不能保证树脂在纤维束中的完全渗透。

At last the structure tolerance of the expand core fiber is studied. And then the optical coupling efficiency imposed by the position of Gaussian beam on the grating is discussed by comparing the Gaussian beam output from expand core fiber, single mode fiber and free space Gaussian beam with waist radius of 16 microns.

最后分析了扩束光纤的结构容差，并讨论了所设计扩束光纤的输出光束、单模光纤的输出光束以及束腰半径为16 μm的自由空间高斯光束各自在光栅表面的位置变化对光栅耦合效率的影响。

The invention relates to a tobacco filter tip and relative preparation, wherein it is formed by spinning the lactic acid polymer resin, drawing, coiling and shaping, while the line density is 2-6dtex, the beam density is 3-6ktex, the coil number is 15-30n/25mm.

本发明涉及一种香烟过滤嘴丝束及其制备方法。该香烟过滤嘴丝束，是由乳酸类聚合物树脂经熔体纺丝和后续的牵伸、卷曲和热定型而成，单丝线密度2～6dtex，丝束线密度3～6ktex，卷曲数15～30个/25mm。

The experimental results show that the increase of the centroid transverse displacement in the beam-pulse flattop duration is confined and the bigger energy-sweep beams are partially rejected in the alternate focusing solenoid field.

实验结果表明，采用交变极性聚焦场聚焦，抑制了束脉冲顶部质心横向运动的发展，同时可剔除束脉冲前后沿能散度较大的那部分束。

The relationship between the nonlinear resonance and halo formation induced by space charge has been studied by means of the particle core model in this paper.

采用束核单粒子模型研究强流束中由空间电荷引起的非线性共振与束晕形成的关系。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。