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From 2004 to 2007, 34 cases were treated with extrapedicular screw fixation in Department of Orthopaedics, Third Affiliated Hospital of Sun Yat-sen University. The screw entry point, angle, depth and diameter were measured and defined on the thoracic vertebrae pedicle by CT thin-slice scan in standard prone for all cases before operation. 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.

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。

Management with light doses of propanolol was effective for hepatogenic gastric ulcer , however it has been unlikely to respond to tranditional therapy and prone to bleed because of portal hypertension.

肝源性溃疡难以治愈且易并出血，门静脉高压因素可能从中发挥的作用，小剂量心得安有助于肝源性溃疡愈合。

Many heterologous proteins, including gene engineering antibodies, are prone to form the insoluble ...

许多外源蛋白，包括基因工程抗体，在大肠杆菌中单独表达时都以不可溶的包涵体形式存在。

Some people have difficulty shooting a strafing target, as others with prone divers and bunny hoppers.

如果你遇到问题微观目标在中期至长期的距离你总是能够解决扫射。

Hyperkinetic children are often reckless and impulsive, prone to accidents, and find themselves in disciplinary trouble because of unthinking breaches of rules rather than deliberate defiance.

过动症儿童常常是鲁莽的，易冲动的，易於发生意外，和发现自己陷入被惩戒的麻烦，乃因为不去思考规则胜於考虑违反之结果。

Mild hyperopia in young people, because of its strong regulation, vision still capable of maintaining normal, so asymptomatic, highly hyperopic eyes have different degrees of impaired vision, but also prone to fatigue.

轻度远视是在青少年时，由于其调节力强，视力尚能维持正常，所以无症状，高度远视眼的视力有不同程度的减退，而且容易出现疲劳症状。

But it is corrupt, indisciplined and prone to desertion, especially in the violent south.

然而，军队里存在腐败，缺乏训练，士兵动辄开小差，在暴力的南部地区尤其严重。

Intravertebral clefts were observed in none of 11 cases on sitting and flexion positions, in 4 of 11 (36%) on extension, and 11of 11 (100%) on supine and prone positions.

在直立侧位及过屈侧位X射线平片上，11例患者均未出现椎体真空征，过伸侧位上出现4例（36%），俯卧位及仰卧位均出现椎体真空征（100%）。

However, It has long been known that ROIs, particularly on functional images, is time-consuming, subjective, irreproducible and prone to operator bias.

这对肿瘤，神经精神疾病以及认知的研究领域都有应用，可是由于受到图像分辨率和主观因素的影响，ROI存在着解剖区域勾画不准、主观性强和重复性差等缺点。

The results indicate that polyborazine precursor prepared at 150℃ for 10 h and propylamine/isopropylamine molar ratio 2:1, could possess nearly linear molecule skeleton and he prone to melt spinnability. When melt at 90℃, the precursor fibers are prepared with average diameter 10-20μm and BC1.27 N1.52 H structure. After curing process and sintered in NH3 at 1200℃, the near-stoichiometric BN fibers was obtained, which proved this precursor is apt for preparation of BN fibers.

结果表明，当正丙胺／异丙胺摩尔比为2：1，聚合温度为150℃，反应时间为10h时，合成产物具有近似线性分子结构，熔点为90℃，具有良好的成丝性，可获得平均直径10~20μm，组成为BC1.27N1.52H的先驱体纤维，先驱体纤维再经不熔化处理及1200℃氨气高温锻烧等工艺可获得近化学计量比的氮化硼纤维。

Given the language of section 102(2), the Supreme Court's rejection of substantive review under NEPA seems unjustifiable in principle

按照第102条的规定，最高法院否决《国家环境政策法》所规定的实质性复审在原则上似乎是不正当的。

ObjectiveTo explore the effect of variable hip abduction orthosis on children spastic cerebral palsy.

目的探讨髋关节矫形器在儿童痉挛型脑性瘫痪康复中的作用。