不稳定性

depart method suits Gao of the Z- in angelica this inside of the naphtha of angelica of fast preparation; of ester from emulsification small breast preparation is ameliorable among them Z- Gao this inside the instability of ester.

结论分离方法适合当归中Z-藁本内酯的快速制备；当归挥发油的自乳化微乳制剂可改善其中Z-藁本内酯的不稳定性。

BACKGROUND: Anterior cervical plate can maximize the intervertebral space height, expand intervertebral foramen, restore cervical physiological antecurvature, prevent instability due to implant micromovement, and increase graft fusion.

摘要背景：颈椎前路钢板能最大程度地恢复椎间隙高度，扩大椎间孔，恢复颈椎的生理性前凸，同时能够预防单纯植骨时植骨面微小活动所带来的不稳定性，增加植骨融合率。

3To introduce a minimally-invasive technique of a new percutanous external spinal fixation assistanted minimally-invasive surgical procedure treating thoralumbar fracture and analyse its clinic applicable area and value. [1]According to advantage of spine external transpedicular fixation technique and limitation of traditional percutanous external transpedicular fixation,design a new percutanous external transpedicular fixation.

(1)根据脊柱外固定技术的优点，传统脊柱外固定器的不足自行研制一套新型脊柱外固定器(WS-1型)；(2)取7具新鲜小牛腰椎标本，自制实验不稳定性骨折模型，把实验分成正常A组、骨折模型B组、新型脊柱外固定器固定C组、新型脊柱外固定器固定联合PVP技术D组，分别按顺序测试四组的三维稳定性，并测试A组、C组与D组在300N轴向压缩实验，再行统计学分析比较；(3)应用新型脊柱外固定器联合椎间盘镜微创椎管减压技术和PVP技术手术治疗胸腰椎骨折，病例选择：本组病例共69例，年龄自10岁-70岁，平均年龄56.3岁。

Objective To investigate the marker of unstable carotid atheromatous plaque in cerebral infarction patients.

目的 寻找脑梗死患者颈动脉粥样硬化斑块不稳定性的临床标志物。

Carotid atheromatous plaques is closely related to cerebral infarction.One important cause of cerebral infarction is from soft plaque broken in carotid atherosclerosis.

颈动脉粥样硬化与脑梗死的发生有密切关系，颈动脉粥样硬化的不稳定性斑块脱落是造成脑梗死的重要原因之一。

Study Design. Cadaveric study of a diagnostic test for cervical spine instability.

研究设计：对尸体颈椎棘突标本的不稳定性进行诊断性试验。

We've been observing a sunlike star called 55 Cancri, star 55 in the constellation Cancer, for 19 years, and we watch the wobble of this star as it's yanked on by the planets orbiting it.

她说：19年来，我们一直观察这颗名为55巨蟹的类日恒星--巨蟹座55号恒星，我们观察到它的不稳定性，因为它与临近的行星有引力作用。

Posterior capsulorrhaphy for treatment of isolated posterior glenohumeral instability yields satisfactory clinical results.

后囊缝合术对孤立的后部盂肱的不稳定性效率满足了临床的结果。

Posterior capsulorrhaphy for treatment of recurrent posterior glenohumeral instability.

后囊缝合对后盂肱的不稳定性再发治疗

Linear induction accelerator ; Beam breakup unstability ; Transverse impedance ; Transverse wake field ; Centroidal transverse displacement ; Numerical simulation

直线感应加速器；束流崩溃不稳定性；横向阻抗；横向尾场；质心横向位移；数值模拟

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。