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： 【目的】观察感染后肠易激综合征小鼠肠组织中IL-17、occludin和ZO-1的动态改变。【方法】40只 C57BL/6小鼠随机分为对照组、感染组（感染后2、4、6、8周组）。感染组小鼠用0.2 mL含400～500条旋毛虫的生 理盐水灌胃。于感染后2、4、6、8周，记录小鼠体质量，检测腹壁撤退反射（AWR），连续8 h收集小鼠粪便，计算粪 便含水百分数。HE 染色观察肠道病理改变，免疫组织化学法及 Western blotting 检测回盲部和结肠中 IL-17、 occludin和ZO-1的表达。【结果】感染后第2周小鼠肠道出现急性炎症反应，体质量显著降低（P=0.000）；至第8周 肠道炎症和小鼠体质量基本恢复至正常。结直肠扩张容量为0.35和0.5 mL时，感染组AWR评分均高于对照组 （P

【目的】探讨感染后肠易激综合征（PI-IBS）和非感染后肠易激综合征（NPI-IBS）患者临床特征及肠黏膜、外周 血IL-17A、IFN-γ和IL-10 的表达。【方法】腹泻型IBS 患者44 例（PI-IBS 21 例，NPI-IBS 23 例），健康对照者10 例，采用 GSRS、SAS、SDS量表评估肠易激综合征患者胃肠道症状、焦虑及抑郁状态。肠镜下取回盲部及直肠黏膜标本，免疫组化法 检测IL-17A、IFN-γ和IL-10的表达。ELISA法检测外周血IL-17A、IFN-γ和IL-10的表达。【结果】NPI-IBS 患者较对照组 SDS评分升高（P < 0.05）；PI-IBS患者较对照组SAS和SDS评分升高（P < 0.05）；PI-IBS组较NPI-IBS组GSRS、SAS和SDS评 分显著升高（P < 0.05）；与对照组相比，PI-IBS组和NPI-IBS组回盲部和直肠IL-17A、IFN-γ的表达升高，IL-10的表达降低 （P < 0.05）；PI-IBS 组血清中IL-17A 的表达较对照组升高，IL-10 的表达降低（P < 0.05）；肠黏膜和外周血中PI-IBS 组IL- 17A和IFN-γ的表达较NPI-IBS组稍高，但差异无统计学意义（P > 0.05）。【结论】PI-IBS和NPI-IBS患者存在不同程度的焦 虑、抑郁表现，外周血和肠黏膜中IL-17A和IFN-γ的表达升高，IL-10表达降低，但PI-IBS患者临床症状相对较重，细胞因 子的改变更明显，PI-IBS可能与NPI-IBS有不同的发病机制。

为了解决在无线AC（接入控制器）开发与测试过程中出现的多用户终端接入测试困难及测试AC对大量用户的处理性能的问题,介绍了一种支持EAP-SIM（可扩展认证协议-客户识别模块）认证的STA（站）模拟器的设计原理,该模拟器可根据EAP-SIM协议规定,模拟真实SIM卡用户的接入认证流程,实现大量用户接入并认证,对AC进行压力和性能测试。

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Copyright of Bulletin of the Chinese Academy of Sciences / Chung-kuo ko Hsueh Yuan Yuan Kan is the property of Institutes of Science & Development, Chinese Academy of Sciences 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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Due to the limited underground space in cities, the space provided for tunnel construction is extremely small. More and more shallow-buried and small-distance tunnels appear in the city. Clarifying the law of surface and support deformation caused by shallow buried tunnels with small clear distance is an important premise to ensure construction safety. Taking the Rongjiang River-crossing tunnel in Ganzhou as the research background, the changes of soil strength parameters before and after grouting were determined through field and indoor tests. The corresponding numerical calculation model was constructed using finite difference software to analyze the shallow-buried and small-distance tunnel excavation. The law of ground settlement and support deformation, and finally the control effect of different grouting ranges and staggered distances of tunnel faces were studied. The research results show that after grouting, the soil strength parameters increase by about 40%, and the deformation resistance increases by about 130% . After the tunnel excavation, the ground settlement has gradually changed from an asymmetric “V”-shaped distribution to a symmetrical “W”-shaped distribution. The maximum settlement of the surface will eventually appear on the surface above the trailing tunnel. Grouting reinforcement can effectively control the deformation of the surface and the initial support, and increasing the staggered distance of the tunnel face has little effect on the deformation control effect. It is suggested that the grouting range for on-site construction is from the tunnel arch crown to 6 ~ 8 m above the arch crown, and the staggered step distance of the first tunnel and the second tunnel is 40 m. [ABSTRACT FROM AUTHOR]

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Copyright of South China Fisheries Science is the property of South China Fisheries Science Editorial Department 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.)

Copyright of Industrial Minerals & Processing / Huagong Kuangwu yu Jiagong is the property of Industrial Minerals & Processing 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.)

Copyright of South China Fisheries Science is the property of South China Fisheries Science Editorial Department 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.)

Copyright of Chinese Journal of Applied Ecology / Yingyong Shengtai Xuebao is the property of Chinese Journal of Applied Ecology 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.)

In order to assemble and optimize the performance of parallel component programs better, this paper designed and used different software agents. The component connection agents were responsible for the component interface bonding and data redistribution. The component execution agents and resource management agents cooperated with each other to deploy the components on the computing nodes that meet the requirements. This paper defined four adaptive strategies. Different component adaptive agents, component execution agents and resource management agents cooperated with each other to complete the adaptive process of component and improve the performance of component. Resource management agent, load detection agent and component execution agent cooperated with each other to complete the load balancing work and improve the performance and throughput of the whole computing platform. Experiments on heterogeneous computer clusters demonstrate the effectiveness of the proposed parallel component assembly and performance optimization methods based on agent technology. Compared with the traditional performance optimization methods, the method based on agent technology is flexible and has performance advantages. [ABSTRACT FROM AUTHOR]