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Cracks are more slightness and more dense , and will be closed after being unloaded , and the walls will not fall apart with cracks , which indicate that such walls may retain the entirety well and have good resistance of collapse

试验表明施加预应力后,砌体墙的抗剪能力、变形能力和延性都有所提高,而且墙体受力均匀,材料性能发挥充分,卸荷后裂缝闭合,砌体墙"裂而不散",保持了较好的整体性,有良好的抗震、抗倒塌性能。

The test results showed that as steel contained 2%~4% Cu,the structure of quenched and tempered steel was sorbite matrix with dispersed rich copper phase;and as Cu content in steel increased from 2% to 4%,the hardness HRC value of quenched and tempered steel increased from 38 to 48,the antibacteria...

实验结果表明,当钢中含2%~4%Cu时,钢淬回火后的组织为索氏体基体上弥散分布富铜相,当钢中铜含量从2%增加至4%时,淬回火后钢的HRC硬度值从38增加到48,大肠杆菌的杀菌率从42%增加到95%,在5%硫酸中致钝电流和电压减少,使钢易于钝化。

The structure shown in the figure : The governing body received direct or roller drying cylinder, as the main components of the rotation; After finishing the outside of the sphere, Bottom Cover and soak spherical carbon graphite seal ring joint seal reliable seal friction deputy, Sealing ring in the spherical shell of its annular space sliding, in addition to oil-free bearings and with the close cooperation of Shell, Rotating connector so that the free support, and therefore do not require a high level of accuracy installed; Spherical seal ring wear, Spring means of pressure at any time in advance to receive compensation, compensation for the shell slowly moved backward, accessible through the tube outside the inscription on the line to observe the seals wear; When steam, Oil flows through the media or other spherical sealing ring and oil-free bearings, the formation of thin liquid film, sealing and lubrication, thereby reducing friction and wear, extending the service life.

其结构如图所示:外管体直接接到辊子或烘筒上,为主要的旋转部件;经过精加工的外管本球面、底盖和浸泡碳石墨球面密封环共同组成密封可靠的动密封磨擦副,球面密封环在其壳体内的环形空间中滑动,加之无油轴承与壳体的密切配合,使旋转接头自由支撑,故对装机精度要求不高;球面密封环磨损后,借助于弹簧的预压力随时得到补偿,补偿时壳体缓缓向后移动,并可通过外管体上的刻线观察到密封件的磨损程度;当蒸汽、油或其它介质流经球面密封环和无油轴承时,形成一层很薄的液膜,提供密封和润滑,从而减轻了摩擦和磨损,延长了使用寿命。

To analyze the pseudo phenomena caused by migration velocity error, the paper firstly studied the depth error between post-stack migration and prestack migration caused by same velocity error, and found the depth error was only relative to velocity error and had no direct matter with methods of depth migration (post-stack migration or prestack migration). Then the paper did numerical simulation of a complex lenticular body model with wave-equation modeling and migration, and found that the velocity error could not only induce depth error, but also could change the modality of construction and the event of subjacent layers. Furthermore, it could change the frequency of reflective event. They are the pseudo phenomena caused by migration.

从分析偏移速度误差带来的各种假象出发,本文首先对比分析了速度误差对叠后深度偏移和叠前深度偏移的影响,发现偏移剖面的深度误差仅与速度模型的误差有关系,与具体的偏移方法没有直接的关系;然后对一个复杂的透镜体模型进行了波动方程叠后正演和偏移计算,详细地讨论了不同的速度误差带来的各种假象,发现速度误差不仅会带来深度误差,而且会造成构造体的形态变化,下覆地层同向轴的扭曲,还可能引起地层同向轴的频率发生变化,给资料解释带来一定的假象。

Caprolactam grafted carbon fibre could improve the initial crystallization temperature and the crystallization rate more obviously than ungrafted carbon fibre. The crystallization of nylon 6 was determined by nucleation. The nonisothermal crystallization dynamics was well coincident with the rule of both of Jeziorny and Liu equation. isothermal crystallization dynamics fitted to Avrami equation.

用广角X射线衍射法对晶型结构进行研究,表明碳纤维使原生态的样品中α晶型的含量降低,结晶度下降,其中接枝聚己内酰胺链段的碳纤维/MC尼龙6原位复合材料中α晶型的含量比未接枝的碳纤维/Me尼龙6原位复合材料的多,结晶度也较大:样品淬火时,碳纤维有利于基体尼龙6结晶时形成γ型晶体,接枝聚己内酰胺链段的碳纤维更有利于基体尼龙6结晶时形成γ型晶体;淬火后的样品在200℃下退火2个小时后γ晶型完全转变为α晶型。

DOC and HDOC in ridge, rice and rape use pattern in 0~30cm depth layer much more than other treatments after 14 years and showed significant differences;land use of rotation of waterlog rice and dry rape which was disadvantageous to increase the quantity of DOC, which indicated DOC is good evaluation index of soil quality land use effect for paddy soil.

土壤有机质损失的重要途径主要是DOC的淋失,土壤可溶性有机碳是土壤有机碳周转的必要环节,是其中的不稳定组分,主要包括有机残体的可溶性有机物、土壤微生物分解有机残体后未吸收的可溶性有机物及微生物细胞衰老自溶后释放的可溶性有机物[4],在陆地生态系统碳循环中起着重要作用[5],所以DOC的分析

The section thickness was 5mm,the best section was selected before injection of nonionic contrast material, hen nonionic contrast material l.5m1/kg were injected via the antecubital vein in the rate of 2ml/sec, two serial scannings were obtained began at 6s and 2mm, for the first series the scanning internal was 3 seconds, for the second series, the scanning internal was 7 seconds.3 Methods of studying figureThe CT numbers of lesion on plain CT and on contrasted CT at serial phases were recorded, on which the time-intensity was produced.

计算出不同时相时的CT增强值,绘出动态增强曲线。在不知道病变病理结果的情况下,由三位有经验的医师在不知道病理结果的情况下记录上述病例的动态增强模式及其动态变化。 4。增强峰值与肺血供来源和血管密度的关系的评价其中32例准备手术的SPN,术前行CT同层动态增强扫描后测量增强后第一次循环肺动脉期与主动脉期CT值。然后分别与平扫时CT值比较;术后对瘤体CT测量兴趣区取材并行HE染色,随机取5次,在放大40倍的显微镜下观察5mm范围内直径0.02~0.1mm和>0.1mm的微血管数目,5次的平均值颀士学泣衫艾中文赂要即为兴趣区对应的血管数目,井将其与瘤体增强峰值作相关性分析。

Results Mucopolysaccharidosis typeⅠ had characteristic X-ray changes of bones:①Enlarged skull and hook- shape Sella Turcica;②Short and thick phalanges and metacarpal Bones;③Dilated central part and thin ends of upper and lower limb bones;④Kyphosis deformity of spine, beak-shape stick out of anteroinferior margin of Kyphosis deformity vertebra;⑤Broadening ribs as paddle shape;⑥Shallow acetabulum and enlarged Acetabular Angle;⑦Prolonged femoral neck, Coxa Vara or coxa valga.

结果 粘多糖病Ⅰ型具有较典型的骨骼X线改变,(1)头大,蝶鞍呈乙型;(2)掌指骨粗短;(3)上、下肢骨中央膨胀两端变细;(4)脊椎后凸成角,后凸椎体前下缘成鸟嘴状突出,上下椎体呈卵圆形;(5)肋骨增宽呈船桨;(6)髋臼变浅,髋臼角增大;(7)股骨颈增长,髋内翻或外翻。

Methods Respectively analyzed the X-ray, CT and image post-processing manifestations of mucopolysaccharidosis type Ⅰ. Results Mucopolysaccharidosis typeⅠ had characteristic X-ray changes of bones:①Enlarged skull and hook- shape Sella Turcica;②Short and thick phalanges and metacarpal Bones;③Dilated central part and thin ends of upper and lower limb bones;④Kyphosis deformity of spine, beak-shape stick out of anteroinferior margin of Kyphosis deformity vertebra;⑤Broadening ribs as paddle shape;⑥Shallow acetabulum and enlarged Acetabular Angle;⑦Prolonged femoral neck, Coxa Vara or coxa valga.

结果 粘多糖病Ⅰ型具有较典型的骨骼X线改变,(1)头大,蝶鞍呈乙型;(2)掌指骨粗短;(3)上、下肢骨中央膨胀两端变细;(4)脊椎后凸成角,后凸椎体前下缘成鸟嘴状突出,上下椎体呈卵圆形;(5)肋骨增宽呈船桨;(6)髋臼变浅,髋臼角增大;(7)股骨颈增长,髋内翻或外翻。

The screw entry point was located at the tip of transverse process. The average inclination angle should be 10°-20° headward and 30°-40° toward neutral line respectively. The screw was inserted and entered into the vertebral body along the external cortex of pedicle. The integrity of cortical bone around screws, the distance to segmental blood vessels and the penetration of cortex were observed after operation to evaluate the accuracy and safety of screw placement. Among 160 thoracic pedicle screws that were implanted in 34 cases, 148 screws (92.5%) were accurately inserted inside the costotransverse unit, and 12 screws (7.5%) were misplaced according to the image of X-ray and CT thin-slice scan.

应用椎弓根外内固定技术2004/2007年在中山大学附属第三医院骨科治疗34例患者,固定前采用CT加密扫描测量进钉点、进钉点至椎体前缘的深度、进钉角度和直径,固定中椎弓根钉入点为横突尖,进钉方向为平均向头侧倾斜10°~ 20°、与中线成角30°~40°,顺椎弓根外侧皮质进入椎体,固定后CT加密扫描观察螺钉周围的皮质骨是否完整、是否靠近节段血管、是否穿透皮质骨,评价置入钉的准确性和安全性。34例患者共置入160枚胸椎椎弓根螺钉,固定后CT加密扫描和X射线片观察到148枚(92.5%)螺钉置入准确,12枚(7.5%)螺钉发生错置。

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Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

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