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Copyright of Silicone Material is the property of Silicone Material Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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Copyright of Guangdong Medical Journal is the property of Guangdong Medical Journal Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

针对HSDPA（高速下行分组接入）系统中几种支持非实时业务的经典分组调度算法Max C/I（最大载干比）和PF（正比公平）算法缺乏系统公平性的问题,提出一种基于HSDPA的快速公平分组调度算法。此算法在保证信道瞬时条件和系统吞吐量的前提下,旨在为那些平均吞吐量低于某一阈值的用户提供优先被服务的机会。仿真结果表明,此算法较之Max C/I和PF算法能够保证用户间的长期公平性。

This paper analysed the literature about male nurses′ professional gender stereotypes and professional identity at home and abroad, in order to understand their intrinsic links, the current situation at home and abroad as well as the relevant interventions, and provide reference for stabilizing the male nursing workforce and building a perfect nursing system. [ABSTRACT FROM AUTHOR]

为了解决地面数字电视单频网选址陷入局部最优的问题,文章将模拟退火算法应用到地面数字电视单频网选址过程中,提出一种基于模拟退火的地面数字电视单频网选址算法。将模拟退火算法与地形因素相结合,优化了计算模拟退火算法接收较差站址选择配置概率的方法,从而可以根据地形状况来决定是否加快运算速度。基于专业软件NGRadioPlan进行了二次开发,仿真结果表明,该算法能够有效地进行站址选择。

分析设计了一种基于物联网技术的汽车防盗系统,该系统使用有源双频电子标签以满足高速信息采集的需要,且耗能低;利用阅读器的地理位置对汽车进行跟踪定位;应用中间件技术消除数据冗余;以安全可靠的公安专网和无所不在的移动通信网为接入网,在保证防盗范围的同时降低了实现成本。

文章针对目前多协议标签交换（MPLS）流量工程（TE）快速重路由备份资源管理机制的不足,提出了基于一对一备份（One-to-One Backup）思想的有效备份资源管理（EBRM）机制。该机制通过使备份路径中的关键节点掌握有限范围内的节点与链路的可用信息,实现对备份资源的有效共享管理,可同时支持同一保护路径及不同保护路径的备份资源共享。仿真结果显示,该方案可以有效节约备份资源,提高网络资源利用率。

Objective To analyze the hepatitis B virus (HBV) genotype distribution among chronic hepatitis B patients in southern Zhejiang Province, China, and to explore the relationship of HBV genotype with serum HBV DNA level and HBeAg expression. Methods Serum samples were collected from 161 patients positive for HBV DNA who visited our hospital from June 2011 to March 2012. Sequence-specific primer PCR was used for the HBV genotyping; real-time quantitative PCR was used to quantify HBV DNA (copies/ml); ELISA was used to detect HBeAg. After logarithmic transformation was performed on HBV DNA levels so that the data were in normal distribution, the relationship between HBV genotype and HBeAg positive rate was analyzed by chi-square test, and the difference in HBV DNA level between patients with B and C genotypes was analyzed by t test. ResultsOf the 161 patients, 41 (25.5%) had B genotype, 118 (73.3%) had C genotype, and 2 (1.2%) had B/C mixed genotype. The HBV DNA level and HBeAg positive rate for patients with C genotype were 5.84±1.40 log10 copies/ml and 64.4%, respectively, higher than those for patients with B genotype (5.49±1.33 log10 copies/ml and 53.7%). ConclusionIn southern Zhejiang Province, C genotype is the predominant genotype of HBV, followed by B genotype. Both HBV DNA level and HBeAg positive rate are higher in patients with C genotype than in those with B genotype. C genotype is closely associated with the development of liver cirrhosis. [ABSTRACT FROM AUTHOR]