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In this paper, several methods are put forward, by which axial resolution of scan microscope could be improved. One is that detecting method of ordinary laser feedback is improved, the orthogonal polarized lights split by Wollaston prism are detected separately, comparing to the ordinary feedback, the axial resolution is improved about 2.9 times.

提出并实验研究了几种可以提高激光反馈扫描显微镜轴向分辨率的方法,一种方法是对常规激光反馈实验中的探测技术进行了改进,用渥拉斯顿棱镜把垂直偏振光分开探测,轴向分辨率可以提高约 2 9倍;另一种方法是用双频激光器中产生的偏振态相互垂直的o光和e光作为反馈光代替了传统的单一光的反馈,轴向分辨率被提高了约 2倍;第三种方法是用双频激光器中产生的o光或e光作为反馈光,轴向分辨率可以提高约 2 5倍。

Some lean back in majestic repose; others, absolutely sheer, or nearly so, for thousands of feet, advance their brows in thoughtful attitudes beyond their companions, giving welcome to storms and calms alike, seemingly conscious yet heedless of everything going on about them, awful in stern majesty, types of permanence, yet associated with beauty of the frailest and most fleeting forms; their feet set in pine groves and gay emerald meadows, their brows in the sky; bathed in light, bathed in floods of singing water, while snow-clouds, avalanches, and the winds shine and surge and wreathe about them as the years go by, as if into these mountain mansions Nature had taken pains to gather their choicest treasures to draw her lovers into close and confiding communion with her....

每一块岩石似乎都富有生命力,有的向后倾斜,泰然自若,有的拔地而起数千英尺,高於它们的夥伴,垂直或近乎垂直地耸立著,彷佛深陷在沈思之中,对风暴和平静一概表示欢迎。它们表面上看起来神志清醒,却又对周围的一切无动於衷,庄严中带有柔美,永恒中却又显出变幻。它们屹立在松林中或座落在草地上,崖顶耸入云端,沐浴在阳光和流水之中,崖顶四周白云飘绕,积雪闪光,山风吹拂,大自然似乎使出了最上乘的法宝,来把她的情人拉到自己的怀抱,吐露钟情。

Obtained are a few typical patterns of wind change versus height in the boundary layerthrough analysis of 1987 profile s and meridionally and zonally mean vertical circulation cells fordifferent levels from surface up to 3000 m.

通过分析1987年我国各测站低空(3000m以下)各层次风随高度分布廓线和各经、纬度平均垂直环流,得出边界层内风随高度变化的几种典型分布以及在108E以东我国边界层内存在一对经向反、正垂直环流圈。

Results: Lateral extradural approach could be used to expose the second and third branches of trigeminal nerve,trigeminal ganglion,posterior vertical segment of the intrapetrosal ICA,abducent nerve and horizontal segment of the intrapetrosal ICA;lateral intradural approach could be used to expose the lateral,anteroinferior and posterosuperior venous spaces,almost all the cranial nerves within the cavernous sinus and horizontal segments of the intracavernous ICA;superior approach could be used to expose the medial,lateral and posterosuperior venous spaces,medial side of the anterior genu,anterior vertical and clinoidal segments of the intracavernous ICA and the lateral side of the hypophysis.

结果:外侧硬膜外入路可用于显露三叉神经第2、3支,三叉神经节,海绵窦内颈内动脉后垂直段,外展神经及岩骨颈内动脉水平段;侧方硬膜下入路可用于显露海绵窦外侧及前下,后上静脉间隙,以及所有走行在海绵窦内的颅神经和海绵窦内颈内动脉水平段;上方入路可用于显露海绵窦内侧、外侧及后上间隙,海绵窦内ICA水平段、前膝、前垂直段及床突段的内侧面,以及垂体的外侧面。

Using stereomicroscope, we observed the fracture line direction and location as well as the angle between the fracture line and the attrite plane. The data was compiled into statistics and analyzed. The results revealed that most of the vertical root fractures occurred in teeth with severe attrite crown and flat root. Numerous bucco-lingual oriented fractures occurred in the mesial root of molars, and we found three non-endodontically treated cases with mesio-distal oriented fractures in the palatal roots.

结果发现,两组的垂直牙根断裂均好发於牙冠严重磨耗(77.4-88.2%)且扁平的牙根(61.8-75.8%)上,以大臼齿的近心牙根发生率最高(64-85.7%),多为颊舌侧走向(91.2-91.9%),且於未根管治疗组别亦发现三例腭侧根断裂,走向为较宽的近远心方向,显示牙根断裂会沿著牙根较宽的方向发生;同时,未经根管治疗而产生垂直牙根断裂的牙齿具有根叉位置较低的现象(61.8%),牙根於比例上有较短小的特徵。

The aerobic bacteria andtotal microorganism were the highest in autumn and the lowest in winter;Theactinomycetes was the highest in spring and the lowest in winter;The rhizospherefungi was the highest in autumn and the lowest in winter, the non-rhizosphere fungi was the highest in spring and the lowest in winter.The average microorganism"s R/Sof four seasons in Eucalyptus grandis plantation is 1.40,the aerobic bacteria"s averageR/S of four seasons is 1.40,the actinomyeetes"s average R/S of four seasons is 1.40,thefungi"s average R/S of four seasons is 1.41.The uprightness distribution rule ofrhizosphere and non-rhizosphere soil microorganism in Eucalyptus grandis plantationwere the same,the trend is surface layer(0-20cm)>middle layer(20-40cm)>underlayer(40-60cm).Compared with the amount of microorganism in 2004, the amount ofmicroorganism in 2006 had a definite drop.

好气性细菌及微生物总数量秋季最高、冬季最低;放线菌数量春季最高、冬季最低;真菌数量根系土壤秋季最高、冬季最低,根外土壤春季最高、冬季最低;巨桉人工林三大类微生物四季的平均R/S值1.40,好气性细菌四个季度平均R/S值1.40,放线菌四个季度平均R/S值1.40,真菌四个季度平均R/S值1.41;巨桉人工林两样地根系与根外土壤微生物垂直分布规律一致,土壤微生物三大类及微生物总数量的垂直变化总的趋势是表层(0~20cm)>中层(20~40cm)>下层(40~60cm);相比较2004年土壤微生物数量,2006年三大类数量及微生物总数均有一定程度的下降。

A high- rise building is nothing but a slender, vertical, cantilevered beam resisting lateral and vertical loads.

高层建筑物其实就是一细长的、能抵挡横向和垂直荷载的垂直悬臂梁。

For bulk lamella-forming diblock copolymers, perpendicular lamellae and concentric lamellae spontaneously form under the neutral and strongly preferential surface, respectively. When the surface preference is relatively weak, novel structures such as parallel lamellae, helices and catenarian structures are observed.

对体相形成层状相的双嵌段共聚物,我们发现在中性孔壁下共聚物自组装形成垂直于孔壁的垂直层结构,在强选择性孔壁下形成一系列的同心层结构,而在弱选择性孔壁下形成平行于孔轴的平行层、螺旋和链节等新奇结构。

The crust-mantle deformation in Himalayan region was regulated conjunctly by the nearly vertical transform faults and nearly horizontal transcurrent fault as the interface between middle crust and lower crust in South Tibet.

南部喜马拉雅地区的壳幔形变主要受近垂直的边界转换断层和中地壳近水平的横向断层共同调节;高原内部则主要受近垂直的边界转换断层和壳—幔过渡带近水平横向断层的解耦联合制约。

The delay time of vertical coseismic deformation have positive linear relationship with ep...

断层体垂直向同震形变延迟时间与震中距线性正相关,发生地震同震形变的响应速度约为5.5km/s,反映了在上层花岗岩地层中面波的传播速度;同震位移最大振幅和震中距的对数、震级之间具有明显线性关系,震级越大,同震位移的最大振幅越大;地震震级是断层体垂直同震形变振动持续时间的主要影响因素,震级越大,同震形变振动持续时间越长。

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