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In RPE cell culture, Sox2 promoted the expression of retinal ganglion and amacrine markers, and suppressed the expression of genes associated with RPE properties.

在RPE细胞培养中，Sox2促进了视网膜神经节细胞和无长突细胞标记物的表达，并抑制RPE功能相关的基因的表达。

Since microspore mother cells showabortion during the first meiotic divison,it is suggested thatthe early male abortion is frequently associated with variousdegrees of impairment to the fertility to the female〓amate.

研究的27个杂种第一代中，有11个组合的产量超过对照或与对照持平，占总组合数的40.74%。在强优势组合中，不育细胞质带来的负效应不足以使F1产量的显著降低，而且通过杂优补偿作用可比对照有所提高。

Firstly, the thesis introduced the development of VOD, the background and meaning of the program, then the author introduced the associated technology, mainly including the feature of multimedia, video compression technology and the protocols SCTP and RTP. Considering the ambulant of host , fluctuation of bandwidth,high error rate data in wireless networks ,the author proposed some QoS strategy in the wireless networks such as RTP/SCTP protocol stack , connection control of the server, two buffers in the client end point.,TFC congestion control algorithms ,etc. Based these strategies, the team members gives the software and hardware solution of the wireless video-on-demand system and gives the main modules design of the software system. The system adopted the C/S structure including two parts: server and client ,using the Mpeg-2 which is apporiate for networks as the supported format. The thesis emphatically researches on the video-serving module of the server and the sink module, player module of client.

本文首先介绍了视频点播系统的发展现状、课题的研究背景和意义；接着对课题的相关技术进行概述主要包括了多媒体特点，压缩技术，传输协议SCTP以及RTP；针对无线环境的节点移动性，带宽波动性，数据错误率高等三大特点，作者研究设计了无线环境下的QoS策略：RTP/SCTP协议栈，服务器准入控制机制，客户端双缓冲区，TFRC拥塞控制机制等；在这些策略的基础上设计了系统的软硬件解决方案，并对软件体系结构的主要模块进行了设计，整个视频点播系统采用C/S结构，由服务器，客户端2个部分组成，使用适合网络传输的流媒体格式Mpeg-2作为系统支持的格式，文中重点研究了服务器的视频服务模块以及客户端的接收模块和播放器模块，并利用线程池技术对系统进行实现。

ResultsA significant reduction in time to achieve hemostasis and time to ambulation was associated with use of the Perclose.

摘要］目的比较心导管术拔鞘管后，采用经皮血管缝合器止血与人工压迫止血的效果。

Karyotype analysis of two patients with X-autosome translocations indicated that Xp11.2 and Xq22 may be associated with primary amenorrhea.

通过对2例X-常染色体易位携带者的分析，认为Xp11.2和Xq22区域可能与原发性闭经有关。

Premenopausal patients with amenorrhea for more than six to 12 months should be offered endometrial sampling, especially if they have risk factors associated with excessive estrogen exposure.

绝经前停经超过6～12个月的病人需取内膜标本，尤其是如果他们有与过多雌激素暴露相关的危险因素。

Population variation and differences in serum leptin independent of adiposity: a comparison of Ache Amerindian men of Paraguay and lean American male distance runners - Background: Serum leptin variation is commonly associated with fat percentage, body mass index, and activity.

人口变化和差异瘦素独立肥胖：比较酸痛精益美洲印第安人和巴拉圭男子中长跑男-背景：瘦素变化都与脂肪百分比，身体质量指数、活性。

Inflammation was ''running amok as a consequence'', says Cole, and so were the diseases associated with it.

科尔认为，结果是炎症"失控"，而与之相关的疾病亦是如此。

Taking the ampelopsis as the raw material,under the condition that ethanol soaks to prepare the processing,taking water as the associated extract dihydromyrictin.

以干藤茶叶为原料，采用乙醇浸泡进行预处理，以水为溶剂提取二氢杨梅素，考察了乙醇预处理时间、茶叶与乙醇的料液比、加热时间等因素对提取率的影响，通过单因素分析和正交试验设计，确定了最佳提取工艺条件。

We report a case of bilateral self-inflicted eye injuries associated with amphetamine abuse in order to offer a true lesson to us.

我们在此报告一病例因安非他命造成双侧自戕性眼球伤害的病例，以供我们做为一个真实的教训。

But GST= 0.156, Nm=1. 588. As a result, the foundation of Youyongchi Avicennia marina population was the result of the migration of hypocotyles and human factors.

这项工作可以为海岸防护林中新引进种类的判定以及为研究种群建立者效应方法的确定提供科学依据。

The two-dimensional CDRC-ADI-FDTD update equations for collision unmagnetized plasma are induced. The unconditional stability of the CDRC-ADI-FDTD formulation for collision unmagnetized plasma is obtained by the examples.

推导了碰撞非磁化等离子体中的二维CDRC-ADI-FDTD迭代公式，并用算例验证了碰撞非磁化等离子体CDRC-ADI-FDTD算法也是无条件稳定的。