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Genetic factors,obesity, high salt consumption, and alcohol may be involved in the pathogenesis of essential hypertension. Jannetta et al. suggested that essential hypertension might be associated with vascular compression of the left rostral ventrolateral medulla and the root entry zone of cranial nerves Ⅸ and Ⅹ by ectatic loops of posterior fossa arteries,described as neurogenic hypertension.

原发性高血压的发生可能与遗传、肥胖、高盐饮食、饮酒等综合因素有关。1979年Jannetta等提出由于后颅窝异常血管袢压迫延髓左侧腹外侧、舌咽神经与迷走神经根入脑干区(Root entry zone， REZ)而引起高血压即神经源性高血压的假说以来，不少学者从临床及实验研究证实了Jannetta的假说。

Finally, we show that tlc expression is regulated by signals that establish early antero-posterior and dorso-ventral ectodermal pattern.

最后，我们表明，tlc表达是由信号来调控的，它建立了早期前后和腹背外胚层模式。

Its axial resolving power depends on the coherency of light source,even 10μm,and the depth it can cut through isn't limited by the eye's transparent diopter medium.You can observe the structure of not only optic anterior ganglion but also posterior ganglion.It has a brilliant applied prospect in the diagnosis of entoptic disease especially retinal disease,随访观察 and evaluation of treatment result.

OCT是超声的光学模拟品，但其轴向分辨力取决于光源的相干特性，可达10um，且穿透深度几乎不受眼透明屈光介质的限制，可观察眼前节，又能显示眼后节的形态结构，在眼内疾病尤其是视网膜疾病的诊断，随访观察及治疗效果评价等方面具有良好的应用前景。

This paper compares the position and clock offset of the satellites insight obtained from the broadcast ephemerides file five days prior and posterior to the cancel of SA policy on WUHN station with that provided by final IGS precise ephemerides.

利用全球GPS永久性跟踪站WUHN站在SA取消前后五天的广播星历文件计算得到在视卫星的位置和钟差，与事后IGS精密星历提供的卫星位置和钟差进行比较分析，说明SA取消对广播星历的影响。

Electrodes of concentric type placed anterior and posterior were proved to be more effective for epigastric impedance measurement.

人体实验表明，胃部体表阻抗的测量能够表征胃的蠕动和排空。另外，前后设置的同心圆电极对胃阻抗的测量更为有效

Methods Twenty-three cases of OSAS patients proved by polysomnography were examined with MRI. The cross-sectional area of retropalatal region, retroglossal region, epiglottal region and the lateral parapharyngeal fat pad of RP region was calculated. The thickness of bilateral and posterior pharyngeal wall and other indices were also measured. 30 nonsnoring age-matched normal subjects were selected as the control group. 15 patients underwent turbo field echo T1-weighted imaging during sleep. The images of RP, RG, and EPG were analyzed. Results In oSAS group, the cross sectional area of RP and RG regions was smaller than that of the control group.

应用MRI对23例经多导睡眠监测（polysomnography， pSG）确诊的OSAS患者及30例无打鼾的健康成人进行上气道检查，于轴面图像测量软腭后区（retropalatal region， RP区）、舌根后区（retroglossal region， RG区）和会厌区（epiglottal region， EPG区）的气道截面积，各区前后、左右径及其比值，各区咽侧壁、咽后壁软组织厚度，RP区咽旁间隙（lateral parapharyngeal fat pad，LPFP）截面积，于正中矢状面图像测量软腭厚度、长度及截面积，对两组各项检查指标进行统计学分析。

Posterior tilt angle was increscent and part epiphyseal line was narrow inside and wide outside for 7 cases.

其X线表现：骺线增宽或明显增宽者10例。后倾角增大，部分骺线内窄外宽者7例。

Split tibialis posterior and long peroneal muscle tendon transfer for spasmodic equinovarus deformity is a safe,simple, and effective method.

胫骨后肌与腓骨长肌对半缝合治疗小儿痉挛性马蹄内翻足，是一种安全、简便、有效的方法。

Objective To observe the therapeutic effects of split tibialis posterior and long peroneal muscle tendon transferring on equinovarus deformity in spastic palsy.

目的 观察胫骨后肌与腓骨长肌腱对半缝合治疗小儿痉挛性马蹄内翻足的疗效。

Esterify reaction is the key step in the process of PET equipment, the effect of which directly influences the posterior other two ones and affects the quality of product.

酯化反应是制造PET过程中的关键步骤，酯化反应进行的好坏直接影响后序的预缩聚反应和终缩聚反应，并影响产物的质量指标。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。