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Copyright of Nonferrous Metals (Mineral Processing Section) is the property of Beijing Research Institute of Mining & Metallurgy Technology Group 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 International Obstetrics & Gynecology is the property of TianJin Medical Information Center 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 Tissue Engineering Research / Zhongguo Zuzhi Gongcheng Yanjiu is the property of Chinese Journal of Tissue Engineering Research 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.)

External cephalic version (ECV) is the manipulation of the fetus presented in breech or transverse position, through the maternal abdomen, to a cephalic presentation, so as to avoid the adverse outcome for the mother and child during vaginal delivery of the breech or transverse fetal position. ECV is a safe and effective procedure to reduce cesarean delivery rates. ECV has been gradually applied to pregnant women with contraindications of ECV, such as cesarean section. A history of cesarean section did not affect the success rate of ECV, compared with no history of cesarean section, maternal and neonatal complications such as abnormal fetal heart rate, vaginal bleeding, premature rupture of membranes, emergency cesarean section, and poor neonatal prognosis were not increased. A previous cesarean delivery may not increase the risk of scar dehiscence or rupture during ECV. Parity is an important factor affecting the success rate of ECV. The majority of women with a previous cesarean delivery will have a successful vaginal birth after a successful ECV, but the rate of vaginal delivery is lower than that of women without a previous cesarean delivery. To promote a vaginal delivery and improve the obstetrics quality, ECV can be offered carefully to women with a breech presentation and a previous cesarean delivery. [ABSTRACT FROM AUTHOR]

Copyright of Mycosystema is the property of Mycosystema Editorial Board 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 Tissue Engineering Research / Zhongguo Zuzhi Gongcheng Yanjiu is the property of Chinese Journal of Tissue Engineering Research 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 International Reproductive Health/Family Planning is the property of Editorial Board of the Journal of International Reproductive Health/Family Planning 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 Mine Automation is the property of Industry & Mine Automation 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 Journal of Harbin Institute of Technology. Social Sciences Edition / Haerbin Gongye Daxue Xuebao. Shehui Kexue Ban is the property of Harbin Institute 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 Journal of Harbin Institute of Technology. Social Sciences Edition / Haerbin Gongye Daxue Xuebao. Shehui Kexue Ban is the property of Harbin Institute 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 Journal of Xi'an Polytechnic University is the property of Editorial Department of Journal of Xi'an Polytechnic 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.)

Copyright of Nonferrous Metals (Mining Section) is the property of Beijing Research Institute of Mining & Metallurgy Technology Group 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 Guangdong University of Technology is the property of Journal of Guangdong 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 Chinese Journal of Tissue Engineering Research / Zhongguo Zuzhi Gongcheng Yanjiu is the property of Chinese Journal of Tissue Engineering Research 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.)

As a popular form of social media,micro-blog Web site provides rich information and services to users,at the same time it also brings the problem of information overload. How to use the microblogging network to recommend valuable information for users,to ease the problem of information overload,becomes increasingly important. According to the orientation,the randomness followed and other characteristics in the microblogging network,this paper proposed a microblogging network recommendation based on non-negative multiple matrix factorization,comprehensively considering the follow relationship among users,the repost relationship between users and micro-blog content,and the ownership relationship between micro-blog content and topic and other multi-source information. Experiment on Sina Weibo dataset for the micro-blog content recommendation,the results show that the method based on non-negative multiple matrix factorization,can effectively use the multidimensional information in microblogging network,significantly improve the accuracy of recommendation. This method can not only dig out the theme of micro-blog content,but also dig out the relationship among users,and can be extended to recommend friends and topics to users. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Beijing University of Traditional Chinese Medicine is the property of Journal of Beijing University of Traditional Chinese Medicine 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 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.)

目的分析1例原发性色素性结节样肾上腺皮质病(PPNAD)所致库欣综合征患者的家系和基因突变情况。方法对1例PPNAD患者及其家系进行病史收集及各项相关检查并随访,采集患者及其家系成员全血样本,对PRKAR1α、PDE11A、PDE8B基因进行测序。结果先证者临床表现为典型库欣综合征,血皮质醇节律消失,小、大剂量地塞米松抑制试验示皮质醇不受抑制,影像学检查提示左侧不典型肾上腺结节样增生,手术切除肾上腺组织呈现色素结节样病变及细胞内脂褐素沉着,诊断为PPNAD。家系其他成员无库欣综合征及Carney综合征表现。测序发现先证者PRKAR1α基因c.502G>A突变可能为与该患者PPNAD发病相关的突变,编码的氨基酸由甘氨酸转变成丝氨酸。先证者母亲同为该突变携带者。结论通过临床及实验室检查,确诊1例PPNAD患者。先证者及1位一级亲属携带相同的PRKAR1α基因突变,该突变可能与PPNAD的发病相关。 [ABSTRACT FROM AUTHOR]

Copyright of Journal of International Obstetrics & Gynecology is the property of TianJin Medical Information Center 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.)

为了进一步规范器官移植超声影像学的诊断和治疗，中华医学会器官移植学分会组织器官移植专 家和超声影像学专家，总结器官移植超声影像学的国内外最新进展，结合临床实践，制定了包括设备准备及图像 调整规范，肝脏移植、肾脏移植、胰腺移植、心脏移植的超声诊疗技术规范，超声介入治疗技术规范等一系列器 官移植超声影像学诊疗技术规范（2019 版）。 [ABSTRACT FROM AUTHOR]