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【目的】分析引起反复早期自然流产的主要影响因素, 为临床诊断和治疗提供依据。【方法】收集在本院自然流 产专科诊治的患者共69 例, 筛查她们关于遗传、内分泌、解剖、感染、免疫, 毒物接触史和代谢等7 个方面的发病因素, 并对其 进行统计分析。【结果】在引起反复自然流产的以上7 个方面的因素中, 分析由于单因素异常的流产患者, 发现其中免疫因素 引起的反复自然流产占86.2 %, 远高于其他6 个方面的因素。并且免疫因素在不同年龄组的反复早期自然流产患者中存在 显著性差别。【结论】免疫因素异常在早期反复自然流产的发生中占重要地位, 而且随着流产次数的增多, 其在发病因素中占 有的比重显著增加。

Copyright of Progress in Modern Biomedicine is the property of Publishing House of Progress in Modern Biomedicine 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.)

To improve the braking performance and roll stability limits of liquid tank vehicles, a numerical bi-directional fluid-structure coupling model was established to study the anti-slosh effects of elastic membranes on liquid sloshing in partially filled tank vehicles. Laboratory experiments were conducted to verify the validity of the numerical model. The validated model was further used to study the effects of various configurations of elastic membranes on sloshing responses, such as liquid load transfer, sloshing forces, pitch moments, and tank wall pressures. Two different tank configurations, namely tanks without membrane and tanks with various combinations of elastic membranes, were considered in the study for comparison. The results show that, the addition of membranes can significantly limit the movement of the liquid, resulting in dramatically reduced pitch moments caused by sloshing, which will improve the braking performance and roll stability limits of the tank vehicles. [ABSTRACT FROM AUTHOR]

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Copyright of Acta Agronomica Sinica is the property of Crop Science Society of China 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 Journal of East China University of Science & Technology is the property of Journal of East China University of Science & Technology 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 Southwest China Journal of Agricultural Sciences is the property of Editorial Department of Southwest China Journal of Agricultural 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.)

Copyright of Machine Tool & Hydraulics is the property of Guangzhou Mechanical Engineering Research Institute (GMERI) 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 Journal of Soochow University Philosophy & Social Sciences Edition is the property of Soochow University 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 China Brewing is the property of China Brewing 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 Journal of Geodesy & Geodynamics (1671-5942) is the property of Editorial Board Journal of Geodesy & Geodynamics 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 Progress in Modern Biomedicine is the property of Publishing House of Progress in Modern Biomedicine 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.)

Objective To investigate the protective effect of Platycodin D (PD) on renal ischemia-reperfusion injury in rats. Methods The rats were divided into sham group, model group, low, middle and high-dose groups with 10 animals in each. The rat model of ischemia reperfusion injury was established by clamping the bilateral renal pedicles in model group, low, middle and high-dose group. The rats in sham group underwent the same modeling operation but did not clamp the renal pedicles. Before 5 minutes of modeling, the rats of low, middle and high-dose group were intra-peritoneally injected with 12.5, 25 and 50 mg/kg PD, respectively. After 24 h of modeling, the serum creatinine (Cr) and blood urea nitrogen (BUN) levels, as well as antioxidant markers[superoxide dismutase (SOD), glutathione peroxidase (GSH-Px) and malondialdehyde (MDA) ] levels in kidney tissues were measured. HE staining was used to evaluate renal tissue lesions. Immuno-histochemical staining was used to detect the expression of caspase-3 in renal tissue, the apoptosis index of renal tubular epithelial cells was evaluated by the counting of caspase-3 positive cells. RT-qPCR was used to detect the expression of interleukin-1β (IL-1β), IL-6 and IL-10 mRNA in renal tissues. Western blot was used to detect the expression of Toll-like receptor 4 (TLR4), myeloid differentiation factor 88 (MyD88), p65, p-p65, inhibitor of nuclear factor kappa B (NF-κB) (IκB) and p-IκB. Results Compared with sham group, the kidney lesions, serum Cr and BUN levels, apoptosis index of renal tubular epithelial cells in model group were all increased (P＜0.05) . Compared with model group, the kidney lesions, serum Cr and BUN levels, apoptosis index of renal tubular epithelial cells in low, middle and high-dose group were decreased (P＜0.05) . Compared with sham group, the level of MDA and mRNA of IL-1β and IL-6, the protein expression of TLR4/MyD88/NF-κB signaling pathway in kidney tissue in model group were all significantly increased while the level of SOD and GSH-Px and mRNA of IL-10 in rat kidney tissue were decreased (P＜0.05) . Compared with model group, the level of MDA, mRNA of IL-1β and IL-6, the protein expression of TLR4/MyD88/NF-κB signaling pathway in kidney tissue in low, middle and high-dose group were all decreased, SOD and GSH-Px and IL-10 mRNA in rat kidney tissue were increased (P＜0.05) . Conclusions Platycodin D has a protective effect on renal ischemia-reperfusion injury in rats, and the underlying mechanism may be related to the improvement of antioxidant capacity and inhibition of TLR4/MyD88/NF-κB signaling pathway. [ABSTRACT FROM AUTHOR]

Copyright of China Medical Education Technology is the property of China Medical Education Technology 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 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.)

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Copyright of Chinese Journal of Explosives & Propellants is the property of Chinese Journal of Explosives & Propellants 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 Journal of Ordnance Equipment Engineering is the property of Chongqing University of Technology 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 Science Technology & Engineering is the property of Chinese Society of Technology Economics 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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